1.1 --- a/ko/fx/pom.xml Wed Jun 26 20:11:13 2013 +0200
1.2 +++ b/ko/fx/pom.xml Wed Jun 26 20:27:06 2013 +0200
1.3 @@ -74,6 +74,12 @@
1.4 <type>jar</type>
1.5 </dependency>
1.6 <dependency>
1.7 + <groupId>org.apidesign.html</groupId>
1.8 + <artifactId>ko-fx</artifactId>
1.9 + <version>${net.java.html.version}</version>
1.10 + <type>jar</type>
1.11 + </dependency>
1.12 + <dependency>
1.13 <groupId>org.apidesign.bck2brwsr</groupId>
1.14 <artifactId>vmtest</artifactId>
1.15 <version>${project.version}</version>
2.1 --- a/ko/fx/src/main/java/org/apidesign/bck2brwsr/kofx/Console.java Wed Jun 26 20:11:13 2013 +0200
2.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
2.3 @@ -1,52 +0,0 @@
2.4 -/**
2.5 - * Back 2 Browser Bytecode Translator
2.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
2.7 - *
2.8 - * This program is free software: you can redistribute it and/or modify
2.9 - * it under the terms of the GNU General Public License as published by
2.10 - * the Free Software Foundation, version 2 of the License.
2.11 - *
2.12 - * This program is distributed in the hope that it will be useful,
2.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
2.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2.15 - * GNU General Public License for more details.
2.16 - *
2.17 - * You should have received a copy of the GNU General Public License
2.18 - * along with this program. Look for COPYING file in the top folder.
2.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
2.20 - */
2.21 -package org.apidesign.bck2brwsr.kofx;
2.22 -
2.23 -import java.util.logging.Logger;
2.24 -import net.java.html.js.JavaScriptBody;
2.25 -
2.26 -/** This is an implementation package - just
2.27 - * include its JAR on classpath and use official {@link Context} API
2.28 - * to access the functionality.
2.29 - * <p>
2.30 - * Redirects JavaScript's messages to Java's {@link Logger}.
2.31 - *
2.32 - * @author Jaroslav Tulach <jtulach@netbeans.org>
2.33 - */
2.34 -public final class Console {
2.35 - private static final Logger LOG = Logger.getLogger(Console.class.getName());
2.36 -
2.37 - private Console() {
2.38 - }
2.39 -
2.40 - static void register() {
2.41 - registerImpl(new Console());
2.42 - }
2.43 -
2.44 - @JavaScriptBody(args = { "jconsole" }, body =
2.45 - "console.log = function(m) { jconsole.log(m); };" +
2.46 - "console.info = function(m) { jconsole.log(m); };" +
2.47 - "console.error = function(m) { jconsole.log(m); };" +
2.48 - "console.warn = function(m) { jconsole.log(m); };"
2.49 - )
2.50 - private static native void registerImpl(Console c);
2.51 -
2.52 - public void log(String msg) {
2.53 - LOG.info(msg);
2.54 - }
2.55 -}
3.1 --- a/ko/fx/src/main/java/org/apidesign/bck2brwsr/kofx/FXContext.java Wed Jun 26 20:11:13 2013 +0200
3.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
3.3 @@ -1,106 +0,0 @@
3.4 -/**
3.5 - * Back 2 Browser Bytecode Translator
3.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
3.7 - *
3.8 - * This program is free software: you can redistribute it and/or modify
3.9 - * it under the terms of the GNU General Public License as published by
3.10 - * the Free Software Foundation, version 2 of the License.
3.11 - *
3.12 - * This program is distributed in the hope that it will be useful,
3.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
3.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3.15 - * GNU General Public License for more details.
3.16 - *
3.17 - * You should have received a copy of the GNU General Public License
3.18 - * along with this program. Look for COPYING file in the top folder.
3.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
3.20 - */
3.21 -package org.apidesign.bck2brwsr.kofx;
3.22 -
3.23 -import java.io.IOException;
3.24 -import java.io.InputStream;
3.25 -import java.util.ServiceLoader;
3.26 -import java.util.logging.Logger;
3.27 -import netscape.javascript.JSObject;
3.28 -import org.apidesign.html.context.spi.Contexts;
3.29 -import org.apidesign.html.json.spi.FunctionBinding;
3.30 -import org.apidesign.html.json.spi.JSONCall;
3.31 -import org.apidesign.html.json.spi.PropertyBinding;
3.32 -import org.apidesign.html.json.spi.Technology;
3.33 -import org.apidesign.html.json.spi.Transfer;
3.34 -import org.openide.util.lookup.ServiceProvider;
3.35 -
3.36 -/** This is an implementation package - just
3.37 - * include its JAR on classpath and use official {@link Context} API
3.38 - * to access the functionality.
3.39 - * <p>
3.40 - * Registers {@link ContextProvider}, so {@link ServiceLoader} can find it.
3.41 - *
3.42 - * @author Jaroslav Tulach <jtulach@netbeans.org>
3.43 - */
3.44 -@ServiceProvider(service = Contexts.Provider.class)
3.45 -public final class FXContext
3.46 -implements Technology<JSObject>, Transfer, Contexts.Provider {
3.47 - static final Logger LOG = Logger.getLogger(FXContext.class.getName());
3.48 -
3.49 - @Override
3.50 - public void fillContext(Contexts.Builder context, Class<?> requestor) {
3.51 - context.register(Technology.class, this, 100);
3.52 - context.register(Transfer.class, this, 100);
3.53 - }
3.54 -
3.55 - @Override
3.56 - public JSObject wrapModel(Object model) {
3.57 - return (JSObject) Knockout.createBinding(model).koData();
3.58 - }
3.59 -
3.60 - @Override
3.61 - public void bind(PropertyBinding b, Object model, JSObject data) {
3.62 - final boolean isList = false;
3.63 - final boolean isPrimitive = false;
3.64 - Knockout.bind(data, model, b, isPrimitive, isList);
3.65 - }
3.66 -
3.67 - @Override
3.68 - public void valueHasMutated(JSObject data, String propertyName) {
3.69 - Knockout.valueHasMutated(data, propertyName);
3.70 - }
3.71 -
3.72 - @Override
3.73 - public void expose(FunctionBinding fb, Object model, JSObject d) {
3.74 - Knockout.expose(d, fb);
3.75 - }
3.76 -
3.77 - @Override
3.78 - public void applyBindings(JSObject data) {
3.79 - Knockout.applyBindings(data);
3.80 - }
3.81 -
3.82 - @Override
3.83 - public Object wrapArray(Object[] arr) {
3.84 - return Knockout.toArray(arr);
3.85 - }
3.86 -
3.87 - @Override
3.88 - public void extract(Object obj, String[] props, Object[] values) {
3.89 - LoadJSON.extractJSON(obj, props, values);
3.90 - }
3.91 -
3.92 - @Override
3.93 - public void loadJSON(final JSONCall call) {
3.94 - LoadJSON.loadJSON(call);
3.95 - }
3.96 -
3.97 - @Override
3.98 - public <M> M toModel(Class<M> modelClass, Object data) {
3.99 - if (data instanceof JSObject) {
3.100 - data = ((JSObject)data).getMember("ko-fx.model"); // NOI18N
3.101 - }
3.102 - return modelClass.cast(data);
3.103 - }
3.104 -
3.105 - @Override
3.106 - public Object toJSON(InputStream is) throws IOException {
3.107 - return LoadJSON.parse(is);
3.108 - }
3.109 -}
4.1 --- a/ko/fx/src/main/java/org/apidesign/bck2brwsr/kofx/Knockout.java Wed Jun 26 20:11:13 2013 +0200
4.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
4.3 @@ -1,196 +0,0 @@
4.4 -/**
4.5 - * Back 2 Browser Bytecode Translator
4.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
4.7 - *
4.8 - * This program is free software: you can redistribute it and/or modify
4.9 - * it under the terms of the GNU General Public License as published by
4.10 - * the Free Software Foundation, version 2 of the License.
4.11 - *
4.12 - * This program is distributed in the hope that it will be useful,
4.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
4.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4.15 - * GNU General Public License for more details.
4.16 - *
4.17 - * You should have received a copy of the GNU General Public License
4.18 - * along with this program. Look for COPYING file in the top folder.
4.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
4.20 - */
4.21 -package org.apidesign.bck2brwsr.kofx;
4.22 -
4.23 -import java.io.BufferedReader;
4.24 -import java.io.IOException;
4.25 -import java.io.InputStream;
4.26 -import java.io.InputStreamReader;
4.27 -import java.util.logging.Level;
4.28 -import java.util.logging.Logger;
4.29 -import net.java.html.js.JavaScriptBody;
4.30 -import net.java.html.json.Model;
4.31 -import netscape.javascript.JSObject;
4.32 -import org.apidesign.html.json.spi.FunctionBinding;
4.33 -import org.apidesign.html.json.spi.PropertyBinding;
4.34 -
4.35 -/** This is an implementation package - just
4.36 - * include its JAR on classpath and use official {@link Context} API
4.37 - * to access the functionality.
4.38 - * <p>
4.39 - * Provides binding between {@link Model models} and knockout.js running
4.40 - * inside a JavaFX WebView.
4.41 - *
4.42 - * @author Jaroslav Tulach <jtulach@netbeans.org>
4.43 - */
4.44 -public final class Knockout {
4.45 - private static final Logger LOG = Logger.getLogger(Knockout.class.getName());
4.46 - /** used by tests */
4.47 - static Knockout next;
4.48 - private final Object model;
4.49 -
4.50 - Knockout(Object model) {
4.51 - this.model = model == null ? this : model;
4.52 - }
4.53 -
4.54 - public Object koData() {
4.55 - return model;
4.56 - }
4.57 -
4.58 - static Object toArray(Object[] arr) {
4.59 - return InvokeJS.KObject.call("array", arr);
4.60 - }
4.61 -
4.62 - private static int cnt;
4.63 - public static <M> Knockout createBinding(Object model) {
4.64 - Object bindings = InvokeJS.create(model, ++cnt);
4.65 - return new Knockout(bindings);
4.66 - }
4.67 -
4.68 - public void valueHasMutated(String prop) {
4.69 - valueHasMutated((JSObject) model, prop);
4.70 - }
4.71 - public static void valueHasMutated(JSObject model, String prop) {
4.72 - LOG.log(Level.FINE, "property mutated: {0}", prop);
4.73 - try {
4.74 - Object koProp = model.getMember(prop);
4.75 - if (koProp instanceof JSObject) {
4.76 - ((JSObject)koProp).call("valueHasMutated");
4.77 - }
4.78 - } catch (Throwable t) {
4.79 - LOG.log(Level.WARNING, "valueHasMutated failed for " + model + " prop: " + prop, t);
4.80 - }
4.81 - }
4.82 -
4.83 - static void bind(
4.84 - Object bindings, Object model, PropertyBinding pb, boolean primitive, boolean array
4.85 - ) {
4.86 - final String prop = pb.getPropertyName();
4.87 - try {
4.88 - InvokeJS.bind(bindings, pb, prop, "getValue", pb.isReadOnly() ? null : "setValue", primitive, array);
4.89 -
4.90 - ((JSObject)bindings).setMember("ko-fx.model", model);
4.91 - LOG.log(Level.FINE, "binding defined for {0}: {1}", new Object[]{prop, ((JSObject)bindings).getMember(prop)});
4.92 - } catch (Throwable ex) {
4.93 - LOG.log(Level.WARNING, "binding failed for {0} on {1}", new Object[]{prop, bindings});
4.94 - }
4.95 - }
4.96 - static void expose(Object bindings, FunctionBinding f) {
4.97 - final String prop = f.getFunctionName();
4.98 - try {
4.99 - InvokeJS.expose(bindings, f, prop, "call");
4.100 - } catch (Throwable ex) {
4.101 - LOG.log(Level.SEVERE, "Cannot define binding for " + prop + " in model " + f, ex);
4.102 - }
4.103 - }
4.104 -
4.105 - static void applyBindings(Object bindings) {
4.106 - InvokeJS.applyBindings(bindings);
4.107 - }
4.108 -
4.109 - private static final class InvokeJS {
4.110 - static final JSObject KObject;
4.111 -
4.112 - static {
4.113 - final InputStream koScript = Knockout.class.getResourceAsStream("knockout-2.2.1.js");
4.114 - assert koScript != null : "Can't load knockout.js";
4.115 - BufferedReader r = new BufferedReader(new InputStreamReader(koScript));
4.116 - StringBuilder sb = new StringBuilder();
4.117 - for (;;) {
4.118 - try {
4.119 - String l = r.readLine();
4.120 - if (l == null) {
4.121 - break;
4.122 - }
4.123 - sb.append(l).append('\n');
4.124 - } catch (IOException ex) {
4.125 - throw new IllegalStateException(ex);
4.126 - }
4.127 - }
4.128 - exec(sb.toString());
4.129 - Object ko = exec("ko");
4.130 - assert ko != null : "Knockout library successfully defined 'ko'";
4.131 -
4.132 - Console.register();
4.133 - KObject = (JSObject) kObj();
4.134 - }
4.135 -
4.136 - @JavaScriptBody(args = { "s" }, body = "return eval(s);")
4.137 - private static native Object exec(String s);
4.138 -
4.139 - @JavaScriptBody(args = {}, body =
4.140 - " var k = {};"
4.141 - + " k.array= function() {"
4.142 - + " return Array.prototype.slice.call(arguments);"
4.143 - + " };"
4.144 - + " return k;"
4.145 - )
4.146 - private static native Object kObj();
4.147 -
4.148 - @JavaScriptBody(args = { "value", "cnt " }, body =
4.149 - " var ret = {};"
4.150 - + " ret.toString = function() { return 'KObject' + cnt + ' value: ' + value + ' props: ' + Object.keys(this); };"
4.151 - + " return ret;"
4.152 - )
4.153 - static native Object create(Object value, int cnt);
4.154 -
4.155 - @JavaScriptBody(args = { "bindings", "model", "prop", "sig" }, body =
4.156 - " bindings[prop] = function(data, ev) {"
4.157 - // + " console.log(\" callback on prop: \" + prop);"
4.158 - + " model[sig](data, ev);"
4.159 - + " };"
4.160 - )
4.161 - static native Object expose(Object bindings, Object model, String prop, String sig);
4.162 -
4.163 -
4.164 - @JavaScriptBody(args = { "bindings", "model", "prop", "getter", "setter", "primitive", "array" }, body =
4.165 - " var bnd = {"
4.166 - + " read: function() {"
4.167 - + " try {"
4.168 - + " var v = model[getter]();"
4.169 - // + " console.log(\" getter value \" + v + \" for property \" + prop);"
4.170 - // + " try { v = v.koData(); } catch (ignore) {"
4.171 - // + " console.log(\"Cannot convert to koData: \" + ignore);"
4.172 - // + " };"
4.173 - // + " console.log(\" getter ret value \" + v);"
4.174 - // + " for (var pn in v) {"
4.175 - // + " console.log(\" prop: \" + pn + \" + in + \" + v + \" = \" + v[pn]);"
4.176 - // + " if (typeof v[pn] == \"function\") console.log(\" its function value:\" + v[pn]());"
4.177 - // + " }"
4.178 - // + " console.log(\" all props printed for \" + (typeof v));"
4.179 - + " return v;"
4.180 - + " } catch (e) {"
4.181 - + " alert(\"Cannot call \" + getter + \" on \" + model + \" error: \" + e);"
4.182 - + " }"
4.183 - + " },"
4.184 - + " owner: bindings"
4.185 - // + " ,deferEvaluation: true"
4.186 - + " };"
4.187 - + " if (setter != null) {"
4.188 - + " bnd.write = function(val) {"
4.189 - + " model[setter](primitive ? new Number(val) : val);"
4.190 - + " };"
4.191 - + " };"
4.192 - + " bindings[prop] = ko.computed(bnd);"
4.193 - )
4.194 - static native void bind(Object binding, Object model, String prop, String getter, String setter, boolean primitive, boolean array);
4.195 -
4.196 - @JavaScriptBody(args = { "bindings" }, body = "ko.applyBindings(bindings);")
4.197 - private static native void applyBindings(Object bindings);
4.198 - }
4.199 -}
5.1 --- a/ko/fx/src/main/java/org/apidesign/bck2brwsr/kofx/LoadJSON.java Wed Jun 26 20:11:13 2013 +0200
5.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
5.3 @@ -1,234 +0,0 @@
5.4 -/**
5.5 - * Back 2 Browser Bytecode Translator
5.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
5.7 - *
5.8 - * This program is free software: you can redistribute it and/or modify
5.9 - * it under the terms of the GNU General Public License as published by
5.10 - * the Free Software Foundation, version 2 of the License.
5.11 - *
5.12 - * This program is distributed in the hope that it will be useful,
5.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
5.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5.15 - * GNU General Public License for more details.
5.16 - *
5.17 - * You should have received a copy of the GNU General Public License
5.18 - * along with this program. Look for COPYING file in the top folder.
5.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
5.20 - */
5.21 -package org.apidesign.bck2brwsr.kofx;
5.22 -
5.23 -import java.io.IOException;
5.24 -import java.io.InputStream;
5.25 -import java.io.InputStreamReader;
5.26 -import java.io.OutputStream;
5.27 -import java.io.PushbackInputStream;
5.28 -import java.io.Reader;
5.29 -import java.net.HttpURLConnection;
5.30 -import java.net.MalformedURLException;
5.31 -import java.net.URL;
5.32 -import java.net.URLConnection;
5.33 -import java.util.Iterator;
5.34 -import java.util.concurrent.Executor;
5.35 -import java.util.concurrent.Executors;
5.36 -import java.util.logging.Level;
5.37 -import java.util.logging.Logger;
5.38 -import javafx.application.Platform;
5.39 -import net.java.html.js.JavaScriptBody;
5.40 -import netscape.javascript.JSObject;
5.41 -import org.apidesign.html.json.spi.JSONCall;
5.42 -import org.json.JSONArray;
5.43 -import org.json.JSONException;
5.44 -import org.json.JSONObject;
5.45 -import org.json.JSONTokener;
5.46 -
5.47 -/** This is an implementation package - just
5.48 - * include its JAR on classpath and use official {@link Context} API
5.49 - * to access the functionality.
5.50 - *
5.51 - * @author Jaroslav Tulach <jtulach@netbeans.org>
5.52 - */
5.53 -final class LoadJSON implements Runnable {
5.54 - private static final Logger LOG = FXContext.LOG;
5.55 - private static final Executor REQ = Executors.newCachedThreadPool();
5.56 -
5.57 - private final JSONCall call;
5.58 - private final URL base;
5.59 - private Throwable error;
5.60 - private Object json;
5.61 -
5.62 -
5.63 - private LoadJSON(JSONCall call) {
5.64 - this.call = call;
5.65 - URL b;
5.66 - try {
5.67 - b = new URL(findBaseURL());
5.68 - } catch (MalformedURLException ex) {
5.69 - LOG.log(Level.SEVERE, "Can't find base url for " + call.composeURL("dummy"), ex);
5.70 - b = null;
5.71 - }
5.72 - this.base = b;
5.73 - }
5.74 -
5.75 - public static void loadJSON(JSONCall call) {
5.76 - REQ.execute(new LoadJSON((call)));
5.77 - }
5.78 -
5.79 - @Override
5.80 - public void run() {
5.81 - if (Platform.isFxApplicationThread()) {
5.82 - if (error != null) {
5.83 - call.notifyError(error);
5.84 - } else {
5.85 - call.notifySuccess(json);
5.86 - }
5.87 - return;
5.88 - }
5.89 - final String url;
5.90 - if (call.isJSONP()) {
5.91 - url = call.composeURL("dummy");
5.92 - } else {
5.93 - url = call.composeURL(null);
5.94 - }
5.95 - try {
5.96 - final URL u = new URL(base, url.replace(" ", "%20"));
5.97 - URLConnection conn = u.openConnection();
5.98 - if (conn instanceof HttpURLConnection) {
5.99 - HttpURLConnection huc = (HttpURLConnection) conn;
5.100 - if (call.getMethod() != null) {
5.101 - huc.setRequestMethod(call.getMethod());
5.102 - }
5.103 - if (call.isDoOutput()) {
5.104 - huc.setDoOutput(true);
5.105 - final OutputStream os = huc.getOutputStream();
5.106 - call.writeData(os);
5.107 - os.flush();
5.108 - }
5.109 - }
5.110 - final PushbackInputStream is = new PushbackInputStream(
5.111 - conn.getInputStream(), 1
5.112 - );
5.113 - boolean array = false;
5.114 - boolean string = false;
5.115 - if (call.isJSONP()) {
5.116 - for (;;) {
5.117 - int ch = is.read();
5.118 - if (ch == -1) {
5.119 - break;
5.120 - }
5.121 - if (ch == '[') {
5.122 - is.unread(ch);
5.123 - array = true;
5.124 - break;
5.125 - }
5.126 - if (ch == '{') {
5.127 - is.unread(ch);
5.128 - break;
5.129 - }
5.130 - }
5.131 - } else {
5.132 - int ch = is.read();
5.133 - if (ch == -1) {
5.134 - string = true;
5.135 - } else {
5.136 - array = ch == '[';
5.137 - is.unread(ch);
5.138 - if (!array && ch != '{') {
5.139 - string = true;
5.140 - }
5.141 - }
5.142 - }
5.143 - try {
5.144 - if (string) {
5.145 - throw new JSONException("");
5.146 - }
5.147 - Reader r = new InputStreamReader(is, "UTF-8");
5.148 -
5.149 - JSONTokener tok = new JSONTokener(r);
5.150 - Object obj;
5.151 - obj = array ? new JSONArray(tok) : new JSONObject(tok);
5.152 - json = convertToArray(obj);
5.153 - } catch (JSONException ex) {
5.154 - Reader r = new InputStreamReader(is, "UTF-8");
5.155 - StringBuilder sb = new StringBuilder();
5.156 - for (;;) {
5.157 - int ch = r.read();
5.158 - if (ch == -1) {
5.159 - break;
5.160 - }
5.161 - sb.append((char)ch);
5.162 - }
5.163 - json = sb.toString();
5.164 - }
5.165 - } catch (IOException ex) {
5.166 - error = ex;
5.167 - LOG.log(Level.WARNING, "Cannot connect to " + url, ex);
5.168 - } finally {
5.169 - Platform.runLater(this);
5.170 - }
5.171 - }
5.172 -
5.173 - private static Object convertToArray(Object o) throws JSONException {
5.174 - if (o instanceof JSONArray) {
5.175 - JSONArray ja = (JSONArray)o;
5.176 - Object[] arr = new Object[ja.length()];
5.177 - for (int i = 0; i < arr.length; i++) {
5.178 - arr[i] = convertToArray(ja.get(i));
5.179 - }
5.180 - return arr;
5.181 - } else if (o instanceof JSONObject) {
5.182 - JSONObject obj = (JSONObject)o;
5.183 - Iterator it = obj.keys();
5.184 - while (it.hasNext()) {
5.185 - String key = (String)it.next();
5.186 - obj.put(key, convertToArray(obj.get(key)));
5.187 - }
5.188 - return obj;
5.189 - } else {
5.190 - return o;
5.191 - }
5.192 - }
5.193 -
5.194 - public static void extractJSON(Object jsonObject, String[] props, Object[] values) {
5.195 - if (jsonObject instanceof JSONObject) {
5.196 - JSONObject obj = (JSONObject)jsonObject;
5.197 - for (int i = 0; i < props.length; i++) {
5.198 - try {
5.199 - values[i] = obj.has(props[i]) ? obj.get(props[i]) : null;
5.200 - } catch (JSONException ex) {
5.201 - LoadJSON.LOG.log(Level.SEVERE, "Can't read " + props[i] + " from " + jsonObject, ex);
5.202 - }
5.203 - }
5.204 - }
5.205 - if (jsonObject instanceof JSObject) {
5.206 - JSObject obj = (JSObject)jsonObject;
5.207 - for (int i = 0; i < props.length; i++) {
5.208 - Object val = obj.getMember(props[i]);
5.209 - values[i] = isDefined(val) ? val : null;
5.210 - }
5.211 - }
5.212 - }
5.213 -
5.214 - public static Object parse(InputStream is) throws IOException {
5.215 - try {
5.216 - InputStreamReader r = new InputStreamReader(is, "UTF-8");
5.217 - JSONTokener t = new JSONTokener(r);
5.218 - return new JSONObject(t);
5.219 - } catch (JSONException ex) {
5.220 - throw new IOException(ex);
5.221 - }
5.222 - }
5.223 -
5.224 - @JavaScriptBody(args = { }, body =
5.225 - "var h;"
5.226 - + "if (!!window && !!window.location && !!window.location.href)\n"
5.227 - + " h = window.location.href;\n"
5.228 - + "else "
5.229 - + " h = null;"
5.230 - + "return h;\n"
5.231 - )
5.232 - private static native String findBaseURL();
5.233 -
5.234 - private static boolean isDefined(Object val) {
5.235 - return !"undefined".equals(val);
5.236 - }
5.237 -}
6.1 --- a/ko/fx/src/main/resources/org/apidesign/bck2brwsr/kofx/knockout-2.2.1.js Wed Jun 26 20:11:13 2013 +0200
6.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
6.3 @@ -1,3594 +0,0 @@
6.4 -// Knockout JavaScript library v2.2.1
6.5 -// (c) Steven Sanderson - http://knockoutjs.com/
6.6 -// License: MIT (http://www.opensource.org/licenses/mit-license.php)
6.7 -
6.8 -(function(){
6.9 -var DEBUG=true;
6.10 -(function(window,document,navigator,jQuery,undefined){
6.11 -!function(factory) {
6.12 - // Support three module loading scenarios
6.13 - if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
6.14 - // [1] CommonJS/Node.js
6.15 - var target = module['exports'] || exports; // module.exports is for Node.js
6.16 - factory(target);
6.17 - } else if (typeof define === 'function' && define['amd']) {
6.18 - // [2] AMD anonymous module
6.19 - define(['exports'], factory);
6.20 - } else {
6.21 - // [3] No module loader (plain <script> tag) - put directly in global namespace
6.22 - factory(window['ko'] = {});
6.23 - }
6.24 -}(function(koExports){
6.25 -// Internally, all KO objects are attached to koExports (even the non-exported ones whose names will be minified by the closure compiler).
6.26 -// In the future, the following "ko" variable may be made distinct from "koExports" so that private objects are not externally reachable.
6.27 -var ko = typeof koExports !== 'undefined' ? koExports : {};
6.28 -// Google Closure Compiler helpers (used only to make the minified file smaller)
6.29 -ko.exportSymbol = function(koPath, object) {
6.30 - var tokens = koPath.split(".");
6.31 -
6.32 - // In the future, "ko" may become distinct from "koExports" (so that non-exported objects are not reachable)
6.33 - // At that point, "target" would be set to: (typeof koExports !== "undefined" ? koExports : ko)
6.34 - var target = ko;
6.35 -
6.36 - for (var i = 0; i < tokens.length - 1; i++)
6.37 - target = target[tokens[i]];
6.38 - target[tokens[tokens.length - 1]] = object;
6.39 -};
6.40 -ko.exportProperty = function(owner, publicName, object) {
6.41 - owner[publicName] = object;
6.42 -};
6.43 -ko.version = "2.2.1";
6.44 -
6.45 -ko.exportSymbol('version', ko.version);
6.46 -ko.utils = new (function () {
6.47 - var stringTrimRegex = /^(\s|\u00A0)+|(\s|\u00A0)+$/g;
6.48 -
6.49 - // Represent the known event types in a compact way, then at runtime transform it into a hash with event name as key (for fast lookup)
6.50 - var knownEvents = {}, knownEventTypesByEventName = {};
6.51 - var keyEventTypeName = /Firefox\/2/i.test(navigator.userAgent) ? 'KeyboardEvent' : 'UIEvents';
6.52 - knownEvents[keyEventTypeName] = ['keyup', 'keydown', 'keypress'];
6.53 - knownEvents['MouseEvents'] = ['click', 'dblclick', 'mousedown', 'mouseup', 'mousemove', 'mouseover', 'mouseout', 'mouseenter', 'mouseleave'];
6.54 - for (var eventType in knownEvents) {
6.55 - var knownEventsForType = knownEvents[eventType];
6.56 - if (knownEventsForType.length) {
6.57 - for (var i = 0, j = knownEventsForType.length; i < j; i++)
6.58 - knownEventTypesByEventName[knownEventsForType[i]] = eventType;
6.59 - }
6.60 - }
6.61 - var eventsThatMustBeRegisteredUsingAttachEvent = { 'propertychange': true }; // Workaround for an IE9 issue - https://github.com/SteveSanderson/knockout/issues/406
6.62 -
6.63 - // Detect IE versions for bug workarounds (uses IE conditionals, not UA string, for robustness)
6.64 - // Note that, since IE 10 does not support conditional comments, the following logic only detects IE < 10.
6.65 - // Currently this is by design, since IE 10+ behaves correctly when treated as a standard browser.
6.66 - // If there is a future need to detect specific versions of IE10+, we will amend this.
6.67 - var ieVersion = (function() {
6.68 - var version = 3, div = document.createElement('div'), iElems = div.getElementsByTagName('i');
6.69 -
6.70 - // Keep constructing conditional HTML blocks until we hit one that resolves to an empty fragment
6.71 - while (
6.72 - div.innerHTML = '<!--[if gt IE ' + (++version) + ']><i></i><![endif]-->',
6.73 - iElems[0]
6.74 - );
6.75 - return version > 4 ? version : undefined;
6.76 - }());
6.77 - var isIe6 = ieVersion === 6,
6.78 - isIe7 = ieVersion === 7;
6.79 -
6.80 - function isClickOnCheckableElement(element, eventType) {
6.81 - if ((ko.utils.tagNameLower(element) !== "input") || !element.type) return false;
6.82 - if (eventType.toLowerCase() != "click") return false;
6.83 - var inputType = element.type;
6.84 - return (inputType == "checkbox") || (inputType == "radio");
6.85 - }
6.86 -
6.87 - return {
6.88 - fieldsIncludedWithJsonPost: ['authenticity_token', /^__RequestVerificationToken(_.*)?$/],
6.89 -
6.90 - arrayForEach: function (array, action) {
6.91 - for (var i = 0, j = array.length; i < j; i++)
6.92 - action(array[i]);
6.93 - },
6.94 -
6.95 - arrayIndexOf: function (array, item) {
6.96 - if (typeof Array.prototype.indexOf == "function")
6.97 - return Array.prototype.indexOf.call(array, item);
6.98 - for (var i = 0, j = array.length; i < j; i++)
6.99 - if (array[i] === item)
6.100 - return i;
6.101 - return -1;
6.102 - },
6.103 -
6.104 - arrayFirst: function (array, predicate, predicateOwner) {
6.105 - for (var i = 0, j = array.length; i < j; i++)
6.106 - if (predicate.call(predicateOwner, array[i]))
6.107 - return array[i];
6.108 - return null;
6.109 - },
6.110 -
6.111 - arrayRemoveItem: function (array, itemToRemove) {
6.112 - var index = ko.utils.arrayIndexOf(array, itemToRemove);
6.113 - if (index >= 0)
6.114 - array.splice(index, 1);
6.115 - },
6.116 -
6.117 - arrayGetDistinctValues: function (array) {
6.118 - array = array || [];
6.119 - var result = [];
6.120 - for (var i = 0, j = array.length; i < j; i++) {
6.121 - if (ko.utils.arrayIndexOf(result, array[i]) < 0)
6.122 - result.push(array[i]);
6.123 - }
6.124 - return result;
6.125 - },
6.126 -
6.127 - arrayMap: function (array, mapping) {
6.128 - array = array || [];
6.129 - var result = [];
6.130 - for (var i = 0, j = array.length; i < j; i++)
6.131 - result.push(mapping(array[i]));
6.132 - return result;
6.133 - },
6.134 -
6.135 - arrayFilter: function (array, predicate) {
6.136 - array = array || [];
6.137 - var result = [];
6.138 - for (var i = 0, j = array.length; i < j; i++)
6.139 - if (predicate(array[i]))
6.140 - result.push(array[i]);
6.141 - return result;
6.142 - },
6.143 -
6.144 - arrayPushAll: function (array, valuesToPush) {
6.145 - if (valuesToPush instanceof Array)
6.146 - array.push.apply(array, valuesToPush);
6.147 - else
6.148 - for (var i = 0, j = valuesToPush.length; i < j; i++)
6.149 - array.push(valuesToPush[i]);
6.150 - return array;
6.151 - },
6.152 -
6.153 - extend: function (target, source) {
6.154 - if (source) {
6.155 - for(var prop in source) {
6.156 - if(source.hasOwnProperty(prop)) {
6.157 - target[prop] = source[prop];
6.158 - }
6.159 - }
6.160 - }
6.161 - return target;
6.162 - },
6.163 -
6.164 - emptyDomNode: function (domNode) {
6.165 - while (domNode.firstChild) {
6.166 - ko.removeNode(domNode.firstChild);
6.167 - }
6.168 - },
6.169 -
6.170 - moveCleanedNodesToContainerElement: function(nodes) {
6.171 - // Ensure it's a real array, as we're about to reparent the nodes and
6.172 - // we don't want the underlying collection to change while we're doing that.
6.173 - var nodesArray = ko.utils.makeArray(nodes);
6.174 -
6.175 - var container = document.createElement('div');
6.176 - for (var i = 0, j = nodesArray.length; i < j; i++) {
6.177 - container.appendChild(ko.cleanNode(nodesArray[i]));
6.178 - }
6.179 - return container;
6.180 - },
6.181 -
6.182 - cloneNodes: function (nodesArray, shouldCleanNodes) {
6.183 - for (var i = 0, j = nodesArray.length, newNodesArray = []; i < j; i++) {
6.184 - var clonedNode = nodesArray[i].cloneNode(true);
6.185 - newNodesArray.push(shouldCleanNodes ? ko.cleanNode(clonedNode) : clonedNode);
6.186 - }
6.187 - return newNodesArray;
6.188 - },
6.189 -
6.190 - setDomNodeChildren: function (domNode, childNodes) {
6.191 - ko.utils.emptyDomNode(domNode);
6.192 - if (childNodes) {
6.193 - for (var i = 0, j = childNodes.length; i < j; i++)
6.194 - domNode.appendChild(childNodes[i]);
6.195 - }
6.196 - },
6.197 -
6.198 - replaceDomNodes: function (nodeToReplaceOrNodeArray, newNodesArray) {
6.199 - var nodesToReplaceArray = nodeToReplaceOrNodeArray.nodeType ? [nodeToReplaceOrNodeArray] : nodeToReplaceOrNodeArray;
6.200 - if (nodesToReplaceArray.length > 0) {
6.201 - var insertionPoint = nodesToReplaceArray[0];
6.202 - var parent = insertionPoint.parentNode;
6.203 - for (var i = 0, j = newNodesArray.length; i < j; i++)
6.204 - parent.insertBefore(newNodesArray[i], insertionPoint);
6.205 - for (var i = 0, j = nodesToReplaceArray.length; i < j; i++) {
6.206 - ko.removeNode(nodesToReplaceArray[i]);
6.207 - }
6.208 - }
6.209 - },
6.210 -
6.211 - setOptionNodeSelectionState: function (optionNode, isSelected) {
6.212 - // IE6 sometimes throws "unknown error" if you try to write to .selected directly, whereas Firefox struggles with setAttribute. Pick one based on browser.
6.213 - if (ieVersion < 7)
6.214 - optionNode.setAttribute("selected", isSelected);
6.215 - else
6.216 - optionNode.selected = isSelected;
6.217 - },
6.218 -
6.219 - stringTrim: function (string) {
6.220 - return (string || "").replace(stringTrimRegex, "");
6.221 - },
6.222 -
6.223 - stringTokenize: function (string, delimiter) {
6.224 - var result = [];
6.225 - var tokens = (string || "").split(delimiter);
6.226 - for (var i = 0, j = tokens.length; i < j; i++) {
6.227 - var trimmed = ko.utils.stringTrim(tokens[i]);
6.228 - if (trimmed !== "")
6.229 - result.push(trimmed);
6.230 - }
6.231 - return result;
6.232 - },
6.233 -
6.234 - stringStartsWith: function (string, startsWith) {
6.235 - string = string || "";
6.236 - if (startsWith.length > string.length)
6.237 - return false;
6.238 - return string.substring(0, startsWith.length) === startsWith;
6.239 - },
6.240 -
6.241 - domNodeIsContainedBy: function (node, containedByNode) {
6.242 - if (containedByNode.compareDocumentPosition)
6.243 - return (containedByNode.compareDocumentPosition(node) & 16) == 16;
6.244 - while (node != null) {
6.245 - if (node == containedByNode)
6.246 - return true;
6.247 - node = node.parentNode;
6.248 - }
6.249 - return false;
6.250 - },
6.251 -
6.252 - domNodeIsAttachedToDocument: function (node) {
6.253 - return ko.utils.domNodeIsContainedBy(node, node.ownerDocument);
6.254 - },
6.255 -
6.256 - tagNameLower: function(element) {
6.257 - // For HTML elements, tagName will always be upper case; for XHTML elements, it'll be lower case.
6.258 - // Possible future optimization: If we know it's an element from an XHTML document (not HTML),
6.259 - // we don't need to do the .toLowerCase() as it will always be lower case anyway.
6.260 - return element && element.tagName && element.tagName.toLowerCase();
6.261 - },
6.262 -
6.263 - registerEventHandler: function (element, eventType, handler) {
6.264 - var mustUseAttachEvent = ieVersion && eventsThatMustBeRegisteredUsingAttachEvent[eventType];
6.265 - if (!mustUseAttachEvent && typeof jQuery != "undefined") {
6.266 - if (isClickOnCheckableElement(element, eventType)) {
6.267 - // For click events on checkboxes, jQuery interferes with the event handling in an awkward way:
6.268 - // it toggles the element checked state *after* the click event handlers run, whereas native
6.269 - // click events toggle the checked state *before* the event handler.
6.270 - // Fix this by intecepting the handler and applying the correct checkedness before it runs.
6.271 - var originalHandler = handler;
6.272 - handler = function(event, eventData) {
6.273 - var jQuerySuppliedCheckedState = this.checked;
6.274 - if (eventData)
6.275 - this.checked = eventData.checkedStateBeforeEvent !== true;
6.276 - originalHandler.call(this, event);
6.277 - this.checked = jQuerySuppliedCheckedState; // Restore the state jQuery applied
6.278 - };
6.279 - }
6.280 - jQuery(element)['bind'](eventType, handler);
6.281 - } else if (!mustUseAttachEvent && typeof element.addEventListener == "function")
6.282 - element.addEventListener(eventType, handler, false);
6.283 - else if (typeof element.attachEvent != "undefined")
6.284 - element.attachEvent("on" + eventType, function (event) {
6.285 - handler.call(element, event);
6.286 - });
6.287 - else
6.288 - throw new Error("Browser doesn't support addEventListener or attachEvent");
6.289 - },
6.290 -
6.291 - triggerEvent: function (element, eventType) {
6.292 - if (!(element && element.nodeType))
6.293 - throw new Error("element must be a DOM node when calling triggerEvent");
6.294 -
6.295 - if (typeof jQuery != "undefined") {
6.296 - var eventData = [];
6.297 - if (isClickOnCheckableElement(element, eventType)) {
6.298 - // Work around the jQuery "click events on checkboxes" issue described above by storing the original checked state before triggering the handler
6.299 - eventData.push({ checkedStateBeforeEvent: element.checked });
6.300 - }
6.301 - jQuery(element)['trigger'](eventType, eventData);
6.302 - } else if (typeof document.createEvent == "function") {
6.303 - if (typeof element.dispatchEvent == "function") {
6.304 - var eventCategory = knownEventTypesByEventName[eventType] || "HTMLEvents";
6.305 - var event = document.createEvent(eventCategory);
6.306 - event.initEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, element);
6.307 - element.dispatchEvent(event);
6.308 - }
6.309 - else
6.310 - throw new Error("The supplied element doesn't support dispatchEvent");
6.311 - } else if (typeof element.fireEvent != "undefined") {
6.312 - // Unlike other browsers, IE doesn't change the checked state of checkboxes/radiobuttons when you trigger their "click" event
6.313 - // so to make it consistent, we'll do it manually here
6.314 - if (isClickOnCheckableElement(element, eventType))
6.315 - element.checked = element.checked !== true;
6.316 - element.fireEvent("on" + eventType);
6.317 - }
6.318 - else
6.319 - throw new Error("Browser doesn't support triggering events");
6.320 - },
6.321 -
6.322 - unwrapObservable: function (value) {
6.323 - return ko.isObservable(value) ? value() : value;
6.324 - },
6.325 -
6.326 - peekObservable: function (value) {
6.327 - return ko.isObservable(value) ? value.peek() : value;
6.328 - },
6.329 -
6.330 - toggleDomNodeCssClass: function (node, classNames, shouldHaveClass) {
6.331 - if (classNames) {
6.332 - var cssClassNameRegex = /[\w-]+/g,
6.333 - currentClassNames = node.className.match(cssClassNameRegex) || [];
6.334 - ko.utils.arrayForEach(classNames.match(cssClassNameRegex), function(className) {
6.335 - var indexOfClass = ko.utils.arrayIndexOf(currentClassNames, className);
6.336 - if (indexOfClass >= 0) {
6.337 - if (!shouldHaveClass)
6.338 - currentClassNames.splice(indexOfClass, 1);
6.339 - } else {
6.340 - if (shouldHaveClass)
6.341 - currentClassNames.push(className);
6.342 - }
6.343 - });
6.344 - node.className = currentClassNames.join(" ");
6.345 - }
6.346 - },
6.347 -
6.348 - setTextContent: function(element, textContent) {
6.349 - var value = ko.utils.unwrapObservable(textContent);
6.350 - if ((value === null) || (value === undefined))
6.351 - value = "";
6.352 -
6.353 - if (element.nodeType === 3) {
6.354 - element.data = value;
6.355 - } else {
6.356 - // We need there to be exactly one child: a text node.
6.357 - // If there are no children, more than one, or if it's not a text node,
6.358 - // we'll clear everything and create a single text node.
6.359 - var innerTextNode = ko.virtualElements.firstChild(element);
6.360 - if (!innerTextNode || innerTextNode.nodeType != 3 || ko.virtualElements.nextSibling(innerTextNode)) {
6.361 - ko.virtualElements.setDomNodeChildren(element, [document.createTextNode(value)]);
6.362 - } else {
6.363 - innerTextNode.data = value;
6.364 - }
6.365 -
6.366 - ko.utils.forceRefresh(element);
6.367 - }
6.368 - },
6.369 -
6.370 - setElementName: function(element, name) {
6.371 - element.name = name;
6.372 -
6.373 - // Workaround IE 6/7 issue
6.374 - // - https://github.com/SteveSanderson/knockout/issues/197
6.375 - // - http://www.matts411.com/post/setting_the_name_attribute_in_ie_dom/
6.376 - if (ieVersion <= 7) {
6.377 - try {
6.378 - element.mergeAttributes(document.createElement("<input name='" + element.name + "'/>"), false);
6.379 - }
6.380 - catch(e) {} // For IE9 with doc mode "IE9 Standards" and browser mode "IE9 Compatibility View"
6.381 - }
6.382 - },
6.383 -
6.384 - forceRefresh: function(node) {
6.385 - // Workaround for an IE9 rendering bug - https://github.com/SteveSanderson/knockout/issues/209
6.386 - if (ieVersion >= 9) {
6.387 - // For text nodes and comment nodes (most likely virtual elements), we will have to refresh the container
6.388 - var elem = node.nodeType == 1 ? node : node.parentNode;
6.389 - if (elem.style)
6.390 - elem.style.zoom = elem.style.zoom;
6.391 - }
6.392 - },
6.393 -
6.394 - ensureSelectElementIsRenderedCorrectly: function(selectElement) {
6.395 - // Workaround for IE9 rendering bug - it doesn't reliably display all the text in dynamically-added select boxes unless you force it to re-render by updating the width.
6.396 - // (See https://github.com/SteveSanderson/knockout/issues/312, http://stackoverflow.com/questions/5908494/select-only-shows-first-char-of-selected-option)
6.397 - if (ieVersion >= 9) {
6.398 - var originalWidth = selectElement.style.width;
6.399 - selectElement.style.width = 0;
6.400 - selectElement.style.width = originalWidth;
6.401 - }
6.402 - },
6.403 -
6.404 - range: function (min, max) {
6.405 - min = ko.utils.unwrapObservable(min);
6.406 - max = ko.utils.unwrapObservable(max);
6.407 - var result = [];
6.408 - for (var i = min; i <= max; i++)
6.409 - result.push(i);
6.410 - return result;
6.411 - },
6.412 -
6.413 - makeArray: function(arrayLikeObject) {
6.414 - var result = [];
6.415 - for (var i = 0, j = arrayLikeObject.length; i < j; i++) {
6.416 - result.push(arrayLikeObject[i]);
6.417 - };
6.418 - return result;
6.419 - },
6.420 -
6.421 - isIe6 : isIe6,
6.422 - isIe7 : isIe7,
6.423 - ieVersion : ieVersion,
6.424 -
6.425 - getFormFields: function(form, fieldName) {
6.426 - var fields = ko.utils.makeArray(form.getElementsByTagName("input")).concat(ko.utils.makeArray(form.getElementsByTagName("textarea")));
6.427 - var isMatchingField = (typeof fieldName == 'string')
6.428 - ? function(field) { return field.name === fieldName }
6.429 - : function(field) { return fieldName.test(field.name) }; // Treat fieldName as regex or object containing predicate
6.430 - var matches = [];
6.431 - for (var i = fields.length - 1; i >= 0; i--) {
6.432 - if (isMatchingField(fields[i]))
6.433 - matches.push(fields[i]);
6.434 - };
6.435 - return matches;
6.436 - },
6.437 -
6.438 - parseJson: function (jsonString) {
6.439 - if (typeof jsonString == "string") {
6.440 - jsonString = ko.utils.stringTrim(jsonString);
6.441 - if (jsonString) {
6.442 - if (window.JSON && window.JSON.parse) // Use native parsing where available
6.443 - return window.JSON.parse(jsonString);
6.444 - return (new Function("return " + jsonString))(); // Fallback on less safe parsing for older browsers
6.445 - }
6.446 - }
6.447 - return null;
6.448 - },
6.449 -
6.450 - stringifyJson: function (data, replacer, space) { // replacer and space are optional
6.451 - if ((typeof JSON == "undefined") || (typeof JSON.stringify == "undefined"))
6.452 - throw new Error("Cannot find JSON.stringify(). Some browsers (e.g., IE < 8) don't support it natively, but you can overcome this by adding a script reference to json2.js, downloadable from http://www.json.org/json2.js");
6.453 - return JSON.stringify(ko.utils.unwrapObservable(data), replacer, space);
6.454 - },
6.455 -
6.456 - postJson: function (urlOrForm, data, options) {
6.457 - options = options || {};
6.458 - var params = options['params'] || {};
6.459 - var includeFields = options['includeFields'] || this.fieldsIncludedWithJsonPost;
6.460 - var url = urlOrForm;
6.461 -
6.462 - // If we were given a form, use its 'action' URL and pick out any requested field values
6.463 - if((typeof urlOrForm == 'object') && (ko.utils.tagNameLower(urlOrForm) === "form")) {
6.464 - var originalForm = urlOrForm;
6.465 - url = originalForm.action;
6.466 - for (var i = includeFields.length - 1; i >= 0; i--) {
6.467 - var fields = ko.utils.getFormFields(originalForm, includeFields[i]);
6.468 - for (var j = fields.length - 1; j >= 0; j--)
6.469 - params[fields[j].name] = fields[j].value;
6.470 - }
6.471 - }
6.472 -
6.473 - data = ko.utils.unwrapObservable(data);
6.474 - var form = document.createElement("form");
6.475 - form.style.display = "none";
6.476 - form.action = url;
6.477 - form.method = "post";
6.478 - for (var key in data) {
6.479 - var input = document.createElement("input");
6.480 - input.name = key;
6.481 - input.value = ko.utils.stringifyJson(ko.utils.unwrapObservable(data[key]));
6.482 - form.appendChild(input);
6.483 - }
6.484 - for (var key in params) {
6.485 - var input = document.createElement("input");
6.486 - input.name = key;
6.487 - input.value = params[key];
6.488 - form.appendChild(input);
6.489 - }
6.490 - document.body.appendChild(form);
6.491 - options['submitter'] ? options['submitter'](form) : form.submit();
6.492 - setTimeout(function () { form.parentNode.removeChild(form); }, 0);
6.493 - }
6.494 - }
6.495 -})();
6.496 -
6.497 -ko.exportSymbol('utils', ko.utils);
6.498 -ko.exportSymbol('utils.arrayForEach', ko.utils.arrayForEach);
6.499 -ko.exportSymbol('utils.arrayFirst', ko.utils.arrayFirst);
6.500 -ko.exportSymbol('utils.arrayFilter', ko.utils.arrayFilter);
6.501 -ko.exportSymbol('utils.arrayGetDistinctValues', ko.utils.arrayGetDistinctValues);
6.502 -ko.exportSymbol('utils.arrayIndexOf', ko.utils.arrayIndexOf);
6.503 -ko.exportSymbol('utils.arrayMap', ko.utils.arrayMap);
6.504 -ko.exportSymbol('utils.arrayPushAll', ko.utils.arrayPushAll);
6.505 -ko.exportSymbol('utils.arrayRemoveItem', ko.utils.arrayRemoveItem);
6.506 -ko.exportSymbol('utils.extend', ko.utils.extend);
6.507 -ko.exportSymbol('utils.fieldsIncludedWithJsonPost', ko.utils.fieldsIncludedWithJsonPost);
6.508 -ko.exportSymbol('utils.getFormFields', ko.utils.getFormFields);
6.509 -ko.exportSymbol('utils.peekObservable', ko.utils.peekObservable);
6.510 -ko.exportSymbol('utils.postJson', ko.utils.postJson);
6.511 -ko.exportSymbol('utils.parseJson', ko.utils.parseJson);
6.512 -ko.exportSymbol('utils.registerEventHandler', ko.utils.registerEventHandler);
6.513 -ko.exportSymbol('utils.stringifyJson', ko.utils.stringifyJson);
6.514 -ko.exportSymbol('utils.range', ko.utils.range);
6.515 -ko.exportSymbol('utils.toggleDomNodeCssClass', ko.utils.toggleDomNodeCssClass);
6.516 -ko.exportSymbol('utils.triggerEvent', ko.utils.triggerEvent);
6.517 -ko.exportSymbol('utils.unwrapObservable', ko.utils.unwrapObservable);
6.518 -
6.519 -if (!Function.prototype['bind']) {
6.520 - // Function.prototype.bind is a standard part of ECMAScript 5th Edition (December 2009, http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf)
6.521 - // In case the browser doesn't implement it natively, provide a JavaScript implementation. This implementation is based on the one in prototype.js
6.522 - Function.prototype['bind'] = function (object) {
6.523 - var originalFunction = this, args = Array.prototype.slice.call(arguments), object = args.shift();
6.524 - return function () {
6.525 - return originalFunction.apply(object, args.concat(Array.prototype.slice.call(arguments)));
6.526 - };
6.527 - };
6.528 -}
6.529 -
6.530 -ko.utils.domData = new (function () {
6.531 - var uniqueId = 0;
6.532 - var dataStoreKeyExpandoPropertyName = "__ko__" + (new Date).getTime();
6.533 - var dataStore = {};
6.534 - return {
6.535 - get: function (node, key) {
6.536 - var allDataForNode = ko.utils.domData.getAll(node, false);
6.537 - return allDataForNode === undefined ? undefined : allDataForNode[key];
6.538 - },
6.539 - set: function (node, key, value) {
6.540 - if (value === undefined) {
6.541 - // Make sure we don't actually create a new domData key if we are actually deleting a value
6.542 - if (ko.utils.domData.getAll(node, false) === undefined)
6.543 - return;
6.544 - }
6.545 - var allDataForNode = ko.utils.domData.getAll(node, true);
6.546 - allDataForNode[key] = value;
6.547 - },
6.548 - getAll: function (node, createIfNotFound) {
6.549 - var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
6.550 - var hasExistingDataStore = dataStoreKey && (dataStoreKey !== "null") && dataStore[dataStoreKey];
6.551 - if (!hasExistingDataStore) {
6.552 - if (!createIfNotFound)
6.553 - return undefined;
6.554 - dataStoreKey = node[dataStoreKeyExpandoPropertyName] = "ko" + uniqueId++;
6.555 - dataStore[dataStoreKey] = {};
6.556 - }
6.557 - return dataStore[dataStoreKey];
6.558 - },
6.559 - clear: function (node) {
6.560 - var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
6.561 - if (dataStoreKey) {
6.562 - delete dataStore[dataStoreKey];
6.563 - node[dataStoreKeyExpandoPropertyName] = null;
6.564 - return true; // Exposing "did clean" flag purely so specs can infer whether things have been cleaned up as intended
6.565 - }
6.566 - return false;
6.567 - }
6.568 - }
6.569 -})();
6.570 -
6.571 -ko.exportSymbol('utils.domData', ko.utils.domData);
6.572 -ko.exportSymbol('utils.domData.clear', ko.utils.domData.clear); // Exporting only so specs can clear up after themselves fully
6.573 -
6.574 -ko.utils.domNodeDisposal = new (function () {
6.575 - var domDataKey = "__ko_domNodeDisposal__" + (new Date).getTime();
6.576 - var cleanableNodeTypes = { 1: true, 8: true, 9: true }; // Element, Comment, Document
6.577 - var cleanableNodeTypesWithDescendants = { 1: true, 9: true }; // Element, Document
6.578 -
6.579 - function getDisposeCallbacksCollection(node, createIfNotFound) {
6.580 - var allDisposeCallbacks = ko.utils.domData.get(node, domDataKey);
6.581 - if ((allDisposeCallbacks === undefined) && createIfNotFound) {
6.582 - allDisposeCallbacks = [];
6.583 - ko.utils.domData.set(node, domDataKey, allDisposeCallbacks);
6.584 - }
6.585 - return allDisposeCallbacks;
6.586 - }
6.587 - function destroyCallbacksCollection(node) {
6.588 - ko.utils.domData.set(node, domDataKey, undefined);
6.589 - }
6.590 -
6.591 - function cleanSingleNode(node) {
6.592 - // Run all the dispose callbacks
6.593 - var callbacks = getDisposeCallbacksCollection(node, false);
6.594 - if (callbacks) {
6.595 - callbacks = callbacks.slice(0); // Clone, as the array may be modified during iteration (typically, callbacks will remove themselves)
6.596 - for (var i = 0; i < callbacks.length; i++)
6.597 - callbacks[i](node);
6.598 - }
6.599 -
6.600 - // Also erase the DOM data
6.601 - ko.utils.domData.clear(node);
6.602 -
6.603 - // Special support for jQuery here because it's so commonly used.
6.604 - // Many jQuery plugins (including jquery.tmpl) store data using jQuery's equivalent of domData
6.605 - // so notify it to tear down any resources associated with the node & descendants here.
6.606 - if ((typeof jQuery == "function") && (typeof jQuery['cleanData'] == "function"))
6.607 - jQuery['cleanData']([node]);
6.608 -
6.609 - // Also clear any immediate-child comment nodes, as these wouldn't have been found by
6.610 - // node.getElementsByTagName("*") in cleanNode() (comment nodes aren't elements)
6.611 - if (cleanableNodeTypesWithDescendants[node.nodeType])
6.612 - cleanImmediateCommentTypeChildren(node);
6.613 - }
6.614 -
6.615 - function cleanImmediateCommentTypeChildren(nodeWithChildren) {
6.616 - var child, nextChild = nodeWithChildren.firstChild;
6.617 - while (child = nextChild) {
6.618 - nextChild = child.nextSibling;
6.619 - if (child.nodeType === 8)
6.620 - cleanSingleNode(child);
6.621 - }
6.622 - }
6.623 -
6.624 - return {
6.625 - addDisposeCallback : function(node, callback) {
6.626 - if (typeof callback != "function")
6.627 - throw new Error("Callback must be a function");
6.628 - getDisposeCallbacksCollection(node, true).push(callback);
6.629 - },
6.630 -
6.631 - removeDisposeCallback : function(node, callback) {
6.632 - var callbacksCollection = getDisposeCallbacksCollection(node, false);
6.633 - if (callbacksCollection) {
6.634 - ko.utils.arrayRemoveItem(callbacksCollection, callback);
6.635 - if (callbacksCollection.length == 0)
6.636 - destroyCallbacksCollection(node);
6.637 - }
6.638 - },
6.639 -
6.640 - cleanNode : function(node) {
6.641 - // First clean this node, where applicable
6.642 - if (cleanableNodeTypes[node.nodeType]) {
6.643 - cleanSingleNode(node);
6.644 -
6.645 - // ... then its descendants, where applicable
6.646 - if (cleanableNodeTypesWithDescendants[node.nodeType]) {
6.647 - // Clone the descendants list in case it changes during iteration
6.648 - var descendants = [];
6.649 - ko.utils.arrayPushAll(descendants, node.getElementsByTagName("*"));
6.650 - for (var i = 0, j = descendants.length; i < j; i++)
6.651 - cleanSingleNode(descendants[i]);
6.652 - }
6.653 - }
6.654 - return node;
6.655 - },
6.656 -
6.657 - removeNode : function(node) {
6.658 - ko.cleanNode(node);
6.659 - if (node.parentNode)
6.660 - node.parentNode.removeChild(node);
6.661 - }
6.662 - }
6.663 -})();
6.664 -ko.cleanNode = ko.utils.domNodeDisposal.cleanNode; // Shorthand name for convenience
6.665 -ko.removeNode = ko.utils.domNodeDisposal.removeNode; // Shorthand name for convenience
6.666 -ko.exportSymbol('cleanNode', ko.cleanNode);
6.667 -ko.exportSymbol('removeNode', ko.removeNode);
6.668 -ko.exportSymbol('utils.domNodeDisposal', ko.utils.domNodeDisposal);
6.669 -ko.exportSymbol('utils.domNodeDisposal.addDisposeCallback', ko.utils.domNodeDisposal.addDisposeCallback);
6.670 -ko.exportSymbol('utils.domNodeDisposal.removeDisposeCallback', ko.utils.domNodeDisposal.removeDisposeCallback);
6.671 -(function () {
6.672 - var leadingCommentRegex = /^(\s*)<!--(.*?)-->/;
6.673 -
6.674 - function simpleHtmlParse(html) {
6.675 - // Based on jQuery's "clean" function, but only accounting for table-related elements.
6.676 - // If you have referenced jQuery, this won't be used anyway - KO will use jQuery's "clean" function directly
6.677 -
6.678 - // Note that there's still an issue in IE < 9 whereby it will discard comment nodes that are the first child of
6.679 - // a descendant node. For example: "<div><!-- mycomment -->abc</div>" will get parsed as "<div>abc</div>"
6.680 - // This won't affect anyone who has referenced jQuery, and there's always the workaround of inserting a dummy node
6.681 - // (possibly a text node) in front of the comment. So, KO does not attempt to workaround this IE issue automatically at present.
6.682 -
6.683 - // Trim whitespace, otherwise indexOf won't work as expected
6.684 - var tags = ko.utils.stringTrim(html).toLowerCase(), div = document.createElement("div");
6.685 -
6.686 - // Finds the first match from the left column, and returns the corresponding "wrap" data from the right column
6.687 - var wrap = tags.match(/^<(thead|tbody|tfoot)/) && [1, "<table>", "</table>"] ||
6.688 - !tags.indexOf("<tr") && [2, "<table><tbody>", "</tbody></table>"] ||
6.689 - (!tags.indexOf("<td") || !tags.indexOf("<th")) && [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
6.690 - /* anything else */ [0, "", ""];
6.691 -
6.692 - // Go to html and back, then peel off extra wrappers
6.693 - // Note that we always prefix with some dummy text, because otherwise, IE<9 will strip out leading comment nodes in descendants. Total madness.
6.694 - var markup = "ignored<div>" + wrap[1] + html + wrap[2] + "</div>";
6.695 - if (typeof window['innerShiv'] == "function") {
6.696 - div.appendChild(window['innerShiv'](markup));
6.697 - } else {
6.698 - div.innerHTML = markup;
6.699 - }
6.700 -
6.701 - // Move to the right depth
6.702 - while (wrap[0]--)
6.703 - div = div.lastChild;
6.704 -
6.705 - return ko.utils.makeArray(div.lastChild.childNodes);
6.706 - }
6.707 -
6.708 - function jQueryHtmlParse(html) {
6.709 - // jQuery's "parseHTML" function was introduced in jQuery 1.8.0 and is a documented public API.
6.710 - if (jQuery['parseHTML']) {
6.711 - return jQuery['parseHTML'](html);
6.712 - } else {
6.713 - // For jQuery < 1.8.0, we fall back on the undocumented internal "clean" function.
6.714 - var elems = jQuery['clean']([html]);
6.715 -
6.716 - // As of jQuery 1.7.1, jQuery parses the HTML by appending it to some dummy parent nodes held in an in-memory document fragment.
6.717 - // Unfortunately, it never clears the dummy parent nodes from the document fragment, so it leaks memory over time.
6.718 - // Fix this by finding the top-most dummy parent element, and detaching it from its owner fragment.
6.719 - if (elems && elems[0]) {
6.720 - // Find the top-most parent element that's a direct child of a document fragment
6.721 - var elem = elems[0];
6.722 - while (elem.parentNode && elem.parentNode.nodeType !== 11 /* i.e., DocumentFragment */)
6.723 - elem = elem.parentNode;
6.724 - // ... then detach it
6.725 - if (elem.parentNode)
6.726 - elem.parentNode.removeChild(elem);
6.727 - }
6.728 -
6.729 - return elems;
6.730 - }
6.731 - }
6.732 -
6.733 - ko.utils.parseHtmlFragment = function(html) {
6.734 - return typeof jQuery != 'undefined' ? jQueryHtmlParse(html) // As below, benefit from jQuery's optimisations where possible
6.735 - : simpleHtmlParse(html); // ... otherwise, this simple logic will do in most common cases.
6.736 - };
6.737 -
6.738 - ko.utils.setHtml = function(node, html) {
6.739 - ko.utils.emptyDomNode(node);
6.740 -
6.741 - // There's no legitimate reason to display a stringified observable without unwrapping it, so we'll unwrap it
6.742 - html = ko.utils.unwrapObservable(html);
6.743 -
6.744 - if ((html !== null) && (html !== undefined)) {
6.745 - if (typeof html != 'string')
6.746 - html = html.toString();
6.747 -
6.748 - // jQuery contains a lot of sophisticated code to parse arbitrary HTML fragments,
6.749 - // for example <tr> elements which are not normally allowed to exist on their own.
6.750 - // If you've referenced jQuery we'll use that rather than duplicating its code.
6.751 - if (typeof jQuery != 'undefined') {
6.752 - jQuery(node)['html'](html);
6.753 - } else {
6.754 - // ... otherwise, use KO's own parsing logic.
6.755 - var parsedNodes = ko.utils.parseHtmlFragment(html);
6.756 - for (var i = 0; i < parsedNodes.length; i++)
6.757 - node.appendChild(parsedNodes[i]);
6.758 - }
6.759 - }
6.760 - };
6.761 -})();
6.762 -
6.763 -ko.exportSymbol('utils.parseHtmlFragment', ko.utils.parseHtmlFragment);
6.764 -ko.exportSymbol('utils.setHtml', ko.utils.setHtml);
6.765 -
6.766 -ko.memoization = (function () {
6.767 - var memos = {};
6.768 -
6.769 - function randomMax8HexChars() {
6.770 - return (((1 + Math.random()) * 0x100000000) | 0).toString(16).substring(1);
6.771 - }
6.772 - function generateRandomId() {
6.773 - return randomMax8HexChars() + randomMax8HexChars();
6.774 - }
6.775 - function findMemoNodes(rootNode, appendToArray) {
6.776 - if (!rootNode)
6.777 - return;
6.778 - if (rootNode.nodeType == 8) {
6.779 - var memoId = ko.memoization.parseMemoText(rootNode.nodeValue);
6.780 - if (memoId != null)
6.781 - appendToArray.push({ domNode: rootNode, memoId: memoId });
6.782 - } else if (rootNode.nodeType == 1) {
6.783 - for (var i = 0, childNodes = rootNode.childNodes, j = childNodes.length; i < j; i++)
6.784 - findMemoNodes(childNodes[i], appendToArray);
6.785 - }
6.786 - }
6.787 -
6.788 - return {
6.789 - memoize: function (callback) {
6.790 - if (typeof callback != "function")
6.791 - throw new Error("You can only pass a function to ko.memoization.memoize()");
6.792 - var memoId = generateRandomId();
6.793 - memos[memoId] = callback;
6.794 - return "<!--[ko_memo:" + memoId + "]-->";
6.795 - },
6.796 -
6.797 - unmemoize: function (memoId, callbackParams) {
6.798 - var callback = memos[memoId];
6.799 - if (callback === undefined)
6.800 - throw new Error("Couldn't find any memo with ID " + memoId + ". Perhaps it's already been unmemoized.");
6.801 - try {
6.802 - callback.apply(null, callbackParams || []);
6.803 - return true;
6.804 - }
6.805 - finally { delete memos[memoId]; }
6.806 - },
6.807 -
6.808 - unmemoizeDomNodeAndDescendants: function (domNode, extraCallbackParamsArray) {
6.809 - var memos = [];
6.810 - findMemoNodes(domNode, memos);
6.811 - for (var i = 0, j = memos.length; i < j; i++) {
6.812 - var node = memos[i].domNode;
6.813 - var combinedParams = [node];
6.814 - if (extraCallbackParamsArray)
6.815 - ko.utils.arrayPushAll(combinedParams, extraCallbackParamsArray);
6.816 - ko.memoization.unmemoize(memos[i].memoId, combinedParams);
6.817 - node.nodeValue = ""; // Neuter this node so we don't try to unmemoize it again
6.818 - if (node.parentNode)
6.819 - node.parentNode.removeChild(node); // If possible, erase it totally (not always possible - someone else might just hold a reference to it then call unmemoizeDomNodeAndDescendants again)
6.820 - }
6.821 - },
6.822 -
6.823 - parseMemoText: function (memoText) {
6.824 - var match = memoText.match(/^\[ko_memo\:(.*?)\]$/);
6.825 - return match ? match[1] : null;
6.826 - }
6.827 - };
6.828 -})();
6.829 -
6.830 -ko.exportSymbol('memoization', ko.memoization);
6.831 -ko.exportSymbol('memoization.memoize', ko.memoization.memoize);
6.832 -ko.exportSymbol('memoization.unmemoize', ko.memoization.unmemoize);
6.833 -ko.exportSymbol('memoization.parseMemoText', ko.memoization.parseMemoText);
6.834 -ko.exportSymbol('memoization.unmemoizeDomNodeAndDescendants', ko.memoization.unmemoizeDomNodeAndDescendants);
6.835 -ko.extenders = {
6.836 - 'throttle': function(target, timeout) {
6.837 - // Throttling means two things:
6.838 -
6.839 - // (1) For dependent observables, we throttle *evaluations* so that, no matter how fast its dependencies
6.840 - // notify updates, the target doesn't re-evaluate (and hence doesn't notify) faster than a certain rate
6.841 - target['throttleEvaluation'] = timeout;
6.842 -
6.843 - // (2) For writable targets (observables, or writable dependent observables), we throttle *writes*
6.844 - // so the target cannot change value synchronously or faster than a certain rate
6.845 - var writeTimeoutInstance = null;
6.846 - return ko.dependentObservable({
6.847 - 'read': target,
6.848 - 'write': function(value) {
6.849 - clearTimeout(writeTimeoutInstance);
6.850 - writeTimeoutInstance = setTimeout(function() {
6.851 - target(value);
6.852 - }, timeout);
6.853 - }
6.854 - });
6.855 - },
6.856 -
6.857 - 'notify': function(target, notifyWhen) {
6.858 - target["equalityComparer"] = notifyWhen == "always"
6.859 - ? function() { return false } // Treat all values as not equal
6.860 - : ko.observable["fn"]["equalityComparer"];
6.861 - return target;
6.862 - }
6.863 -};
6.864 -
6.865 -function applyExtenders(requestedExtenders) {
6.866 - var target = this;
6.867 - if (requestedExtenders) {
6.868 - for (var key in requestedExtenders) {
6.869 - var extenderHandler = ko.extenders[key];
6.870 - if (typeof extenderHandler == 'function') {
6.871 - target = extenderHandler(target, requestedExtenders[key]);
6.872 - }
6.873 - }
6.874 - }
6.875 - return target;
6.876 -}
6.877 -
6.878 -ko.exportSymbol('extenders', ko.extenders);
6.879 -
6.880 -ko.subscription = function (target, callback, disposeCallback) {
6.881 - this.target = target;
6.882 - this.callback = callback;
6.883 - this.disposeCallback = disposeCallback;
6.884 - ko.exportProperty(this, 'dispose', this.dispose);
6.885 -};
6.886 -ko.subscription.prototype.dispose = function () {
6.887 - this.isDisposed = true;
6.888 - this.disposeCallback();
6.889 -};
6.890 -
6.891 -ko.subscribable = function () {
6.892 - this._subscriptions = {};
6.893 -
6.894 - ko.utils.extend(this, ko.subscribable['fn']);
6.895 - ko.exportProperty(this, 'subscribe', this.subscribe);
6.896 - ko.exportProperty(this, 'extend', this.extend);
6.897 - ko.exportProperty(this, 'getSubscriptionsCount', this.getSubscriptionsCount);
6.898 -}
6.899 -
6.900 -var defaultEvent = "change";
6.901 -
6.902 -ko.subscribable['fn'] = {
6.903 - subscribe: function (callback, callbackTarget, event) {
6.904 - event = event || defaultEvent;
6.905 - var boundCallback = callbackTarget ? callback.bind(callbackTarget) : callback;
6.906 -
6.907 - var subscription = new ko.subscription(this, boundCallback, function () {
6.908 - ko.utils.arrayRemoveItem(this._subscriptions[event], subscription);
6.909 - }.bind(this));
6.910 -
6.911 - if (!this._subscriptions[event])
6.912 - this._subscriptions[event] = [];
6.913 - this._subscriptions[event].push(subscription);
6.914 - return subscription;
6.915 - },
6.916 -
6.917 - "notifySubscribers": function (valueToNotify, event) {
6.918 - event = event || defaultEvent;
6.919 - if (this._subscriptions[event]) {
6.920 - ko.dependencyDetection.ignore(function() {
6.921 - ko.utils.arrayForEach(this._subscriptions[event].slice(0), function (subscription) {
6.922 - // In case a subscription was disposed during the arrayForEach cycle, check
6.923 - // for isDisposed on each subscription before invoking its callback
6.924 - if (subscription && (subscription.isDisposed !== true))
6.925 - subscription.callback(valueToNotify);
6.926 - });
6.927 - }, this);
6.928 - }
6.929 - },
6.930 -
6.931 - getSubscriptionsCount: function () {
6.932 - var total = 0;
6.933 - for (var eventName in this._subscriptions) {
6.934 - if (this._subscriptions.hasOwnProperty(eventName))
6.935 - total += this._subscriptions[eventName].length;
6.936 - }
6.937 - return total;
6.938 - },
6.939 -
6.940 - extend: applyExtenders
6.941 -};
6.942 -
6.943 -
6.944 -ko.isSubscribable = function (instance) {
6.945 - return typeof instance.subscribe == "function" && typeof instance["notifySubscribers"] == "function";
6.946 -};
6.947 -
6.948 -ko.exportSymbol('subscribable', ko.subscribable);
6.949 -ko.exportSymbol('isSubscribable', ko.isSubscribable);
6.950 -
6.951 -ko.dependencyDetection = (function () {
6.952 - var _frames = [];
6.953 -
6.954 - return {
6.955 - begin: function (callback) {
6.956 - _frames.push({ callback: callback, distinctDependencies:[] });
6.957 - },
6.958 -
6.959 - end: function () {
6.960 - _frames.pop();
6.961 - },
6.962 -
6.963 - registerDependency: function (subscribable) {
6.964 - if (!ko.isSubscribable(subscribable))
6.965 - throw new Error("Only subscribable things can act as dependencies");
6.966 - if (_frames.length > 0) {
6.967 - var topFrame = _frames[_frames.length - 1];
6.968 - if (!topFrame || ko.utils.arrayIndexOf(topFrame.distinctDependencies, subscribable) >= 0)
6.969 - return;
6.970 - topFrame.distinctDependencies.push(subscribable);
6.971 - topFrame.callback(subscribable);
6.972 - }
6.973 - },
6.974 -
6.975 - ignore: function(callback, callbackTarget, callbackArgs) {
6.976 - try {
6.977 - _frames.push(null);
6.978 - return callback.apply(callbackTarget, callbackArgs || []);
6.979 - } finally {
6.980 - _frames.pop();
6.981 - }
6.982 - }
6.983 - };
6.984 -})();
6.985 -var primitiveTypes = { 'undefined':true, 'boolean':true, 'number':true, 'string':true };
6.986 -
6.987 -ko.observable = function (initialValue) {
6.988 - var _latestValue = initialValue;
6.989 -
6.990 - function observable() {
6.991 - if (arguments.length > 0) {
6.992 - // Write
6.993 -
6.994 - // Ignore writes if the value hasn't changed
6.995 - if ((!observable['equalityComparer']) || !observable['equalityComparer'](_latestValue, arguments[0])) {
6.996 - observable.valueWillMutate();
6.997 - _latestValue = arguments[0];
6.998 - if (DEBUG) observable._latestValue = _latestValue;
6.999 - observable.valueHasMutated();
6.1000 - }
6.1001 - return this; // Permits chained assignments
6.1002 - }
6.1003 - else {
6.1004 - // Read
6.1005 - ko.dependencyDetection.registerDependency(observable); // The caller only needs to be notified of changes if they did a "read" operation
6.1006 - return _latestValue;
6.1007 - }
6.1008 - }
6.1009 - if (DEBUG) observable._latestValue = _latestValue;
6.1010 - ko.subscribable.call(observable);
6.1011 - observable.peek = function() { return _latestValue };
6.1012 - observable.valueHasMutated = function () { observable["notifySubscribers"](_latestValue); }
6.1013 - observable.valueWillMutate = function () { observable["notifySubscribers"](_latestValue, "beforeChange"); }
6.1014 - ko.utils.extend(observable, ko.observable['fn']);
6.1015 -
6.1016 - ko.exportProperty(observable, 'peek', observable.peek);
6.1017 - ko.exportProperty(observable, "valueHasMutated", observable.valueHasMutated);
6.1018 - ko.exportProperty(observable, "valueWillMutate", observable.valueWillMutate);
6.1019 -
6.1020 - return observable;
6.1021 -}
6.1022 -
6.1023 -ko.observable['fn'] = {
6.1024 - "equalityComparer": function valuesArePrimitiveAndEqual(a, b) {
6.1025 - var oldValueIsPrimitive = (a === null) || (typeof(a) in primitiveTypes);
6.1026 - return oldValueIsPrimitive ? (a === b) : false;
6.1027 - }
6.1028 -};
6.1029 -
6.1030 -var protoProperty = ko.observable.protoProperty = "__ko_proto__";
6.1031 -ko.observable['fn'][protoProperty] = ko.observable;
6.1032 -
6.1033 -ko.hasPrototype = function(instance, prototype) {
6.1034 - if ((instance === null) || (instance === undefined) || (instance[protoProperty] === undefined)) return false;
6.1035 - if (instance[protoProperty] === prototype) return true;
6.1036 - return ko.hasPrototype(instance[protoProperty], prototype); // Walk the prototype chain
6.1037 -};
6.1038 -
6.1039 -ko.isObservable = function (instance) {
6.1040 - return ko.hasPrototype(instance, ko.observable);
6.1041 -}
6.1042 -ko.isWriteableObservable = function (instance) {
6.1043 - // Observable
6.1044 - if ((typeof instance == "function") && instance[protoProperty] === ko.observable)
6.1045 - return true;
6.1046 - // Writeable dependent observable
6.1047 - if ((typeof instance == "function") && (instance[protoProperty] === ko.dependentObservable) && (instance.hasWriteFunction))
6.1048 - return true;
6.1049 - // Anything else
6.1050 - return false;
6.1051 -}
6.1052 -
6.1053 -
6.1054 -ko.exportSymbol('observable', ko.observable);
6.1055 -ko.exportSymbol('isObservable', ko.isObservable);
6.1056 -ko.exportSymbol('isWriteableObservable', ko.isWriteableObservable);
6.1057 -ko.observableArray = function (initialValues) {
6.1058 - if (arguments.length == 0) {
6.1059 - // Zero-parameter constructor initializes to empty array
6.1060 - initialValues = [];
6.1061 - }
6.1062 - if ((initialValues !== null) && (initialValues !== undefined) && !('length' in initialValues))
6.1063 - throw new Error("The argument passed when initializing an observable array must be an array, or null, or undefined.");
6.1064 -
6.1065 - var result = ko.observable(initialValues);
6.1066 - ko.utils.extend(result, ko.observableArray['fn']);
6.1067 - return result;
6.1068 -}
6.1069 -
6.1070 -ko.observableArray['fn'] = {
6.1071 - 'remove': function (valueOrPredicate) {
6.1072 - var underlyingArray = this.peek();
6.1073 - var removedValues = [];
6.1074 - var predicate = typeof valueOrPredicate == "function" ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
6.1075 - for (var i = 0; i < underlyingArray.length; i++) {
6.1076 - var value = underlyingArray[i];
6.1077 - if (predicate(value)) {
6.1078 - if (removedValues.length === 0) {
6.1079 - this.valueWillMutate();
6.1080 - }
6.1081 - removedValues.push(value);
6.1082 - underlyingArray.splice(i, 1);
6.1083 - i--;
6.1084 - }
6.1085 - }
6.1086 - if (removedValues.length) {
6.1087 - this.valueHasMutated();
6.1088 - }
6.1089 - return removedValues;
6.1090 - },
6.1091 -
6.1092 - 'removeAll': function (arrayOfValues) {
6.1093 - // If you passed zero args, we remove everything
6.1094 - if (arrayOfValues === undefined) {
6.1095 - var underlyingArray = this.peek();
6.1096 - var allValues = underlyingArray.slice(0);
6.1097 - this.valueWillMutate();
6.1098 - underlyingArray.splice(0, underlyingArray.length);
6.1099 - this.valueHasMutated();
6.1100 - return allValues;
6.1101 - }
6.1102 - // If you passed an arg, we interpret it as an array of entries to remove
6.1103 - if (!arrayOfValues)
6.1104 - return [];
6.1105 - return this['remove'](function (value) {
6.1106 - return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
6.1107 - });
6.1108 - },
6.1109 -
6.1110 - 'destroy': function (valueOrPredicate) {
6.1111 - var underlyingArray = this.peek();
6.1112 - var predicate = typeof valueOrPredicate == "function" ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
6.1113 - this.valueWillMutate();
6.1114 - for (var i = underlyingArray.length - 1; i >= 0; i--) {
6.1115 - var value = underlyingArray[i];
6.1116 - if (predicate(value))
6.1117 - underlyingArray[i]["_destroy"] = true;
6.1118 - }
6.1119 - this.valueHasMutated();
6.1120 - },
6.1121 -
6.1122 - 'destroyAll': function (arrayOfValues) {
6.1123 - // If you passed zero args, we destroy everything
6.1124 - if (arrayOfValues === undefined)
6.1125 - return this['destroy'](function() { return true });
6.1126 -
6.1127 - // If you passed an arg, we interpret it as an array of entries to destroy
6.1128 - if (!arrayOfValues)
6.1129 - return [];
6.1130 - return this['destroy'](function (value) {
6.1131 - return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
6.1132 - });
6.1133 - },
6.1134 -
6.1135 - 'indexOf': function (item) {
6.1136 - var underlyingArray = this();
6.1137 - return ko.utils.arrayIndexOf(underlyingArray, item);
6.1138 - },
6.1139 -
6.1140 - 'replace': function(oldItem, newItem) {
6.1141 - var index = this['indexOf'](oldItem);
6.1142 - if (index >= 0) {
6.1143 - this.valueWillMutate();
6.1144 - this.peek()[index] = newItem;
6.1145 - this.valueHasMutated();
6.1146 - }
6.1147 - }
6.1148 -}
6.1149 -
6.1150 -// Populate ko.observableArray.fn with read/write functions from native arrays
6.1151 -// Important: Do not add any additional functions here that may reasonably be used to *read* data from the array
6.1152 -// because we'll eval them without causing subscriptions, so ko.computed output could end up getting stale
6.1153 -ko.utils.arrayForEach(["pop", "push", "reverse", "shift", "sort", "splice", "unshift"], function (methodName) {
6.1154 - ko.observableArray['fn'][methodName] = function () {
6.1155 - // Use "peek" to avoid creating a subscription in any computed that we're executing in the context of
6.1156 - // (for consistency with mutating regular observables)
6.1157 - var underlyingArray = this.peek();
6.1158 - this.valueWillMutate();
6.1159 - var methodCallResult = underlyingArray[methodName].apply(underlyingArray, arguments);
6.1160 - this.valueHasMutated();
6.1161 - return methodCallResult;
6.1162 - };
6.1163 -});
6.1164 -
6.1165 -// Populate ko.observableArray.fn with read-only functions from native arrays
6.1166 -ko.utils.arrayForEach(["slice"], function (methodName) {
6.1167 - ko.observableArray['fn'][methodName] = function () {
6.1168 - var underlyingArray = this();
6.1169 - return underlyingArray[methodName].apply(underlyingArray, arguments);
6.1170 - };
6.1171 -});
6.1172 -
6.1173 -ko.exportSymbol('observableArray', ko.observableArray);
6.1174 -ko.dependentObservable = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, options) {
6.1175 - var _latestValue,
6.1176 - _hasBeenEvaluated = false,
6.1177 - _isBeingEvaluated = false,
6.1178 - readFunction = evaluatorFunctionOrOptions;
6.1179 -
6.1180 - if (readFunction && typeof readFunction == "object") {
6.1181 - // Single-parameter syntax - everything is on this "options" param
6.1182 - options = readFunction;
6.1183 - readFunction = options["read"];
6.1184 - } else {
6.1185 - // Multi-parameter syntax - construct the options according to the params passed
6.1186 - options = options || {};
6.1187 - if (!readFunction)
6.1188 - readFunction = options["read"];
6.1189 - }
6.1190 - if (typeof readFunction != "function")
6.1191 - throw new Error("Pass a function that returns the value of the ko.computed");
6.1192 -
6.1193 - function addSubscriptionToDependency(subscribable) {
6.1194 - _subscriptionsToDependencies.push(subscribable.subscribe(evaluatePossiblyAsync));
6.1195 - }
6.1196 -
6.1197 - function disposeAllSubscriptionsToDependencies() {
6.1198 - ko.utils.arrayForEach(_subscriptionsToDependencies, function (subscription) {
6.1199 - subscription.dispose();
6.1200 - });
6.1201 - _subscriptionsToDependencies = [];
6.1202 - }
6.1203 -
6.1204 - function evaluatePossiblyAsync() {
6.1205 - var throttleEvaluationTimeout = dependentObservable['throttleEvaluation'];
6.1206 - if (throttleEvaluationTimeout && throttleEvaluationTimeout >= 0) {
6.1207 - clearTimeout(evaluationTimeoutInstance);
6.1208 - evaluationTimeoutInstance = setTimeout(evaluateImmediate, throttleEvaluationTimeout);
6.1209 - } else
6.1210 - evaluateImmediate();
6.1211 - }
6.1212 -
6.1213 - function evaluateImmediate() {
6.1214 - if (_isBeingEvaluated) {
6.1215 - // If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
6.1216 - // This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
6.1217 - // certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
6.1218 - // their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
6.1219 - return;
6.1220 - }
6.1221 -
6.1222 - // Don't dispose on first evaluation, because the "disposeWhen" callback might
6.1223 - // e.g., dispose when the associated DOM element isn't in the doc, and it's not
6.1224 - // going to be in the doc until *after* the first evaluation
6.1225 - if (_hasBeenEvaluated && disposeWhen()) {
6.1226 - dispose();
6.1227 - return;
6.1228 - }
6.1229 -
6.1230 - _isBeingEvaluated = true;
6.1231 - try {
6.1232 - // Initially, we assume that none of the subscriptions are still being used (i.e., all are candidates for disposal).
6.1233 - // Then, during evaluation, we cross off any that are in fact still being used.
6.1234 - var disposalCandidates = ko.utils.arrayMap(_subscriptionsToDependencies, function(item) {return item.target;});
6.1235 -
6.1236 - ko.dependencyDetection.begin(function(subscribable) {
6.1237 - var inOld;
6.1238 - if ((inOld = ko.utils.arrayIndexOf(disposalCandidates, subscribable)) >= 0)
6.1239 - disposalCandidates[inOld] = undefined; // Don't want to dispose this subscription, as it's still being used
6.1240 - else
6.1241 - addSubscriptionToDependency(subscribable); // Brand new subscription - add it
6.1242 - });
6.1243 -
6.1244 - var newValue = readFunction.call(evaluatorFunctionTarget);
6.1245 -
6.1246 - // For each subscription no longer being used, remove it from the active subscriptions list and dispose it
6.1247 - for (var i = disposalCandidates.length - 1; i >= 0; i--) {
6.1248 - if (disposalCandidates[i])
6.1249 - _subscriptionsToDependencies.splice(i, 1)[0].dispose();
6.1250 - }
6.1251 - _hasBeenEvaluated = true;
6.1252 -
6.1253 - dependentObservable["notifySubscribers"](_latestValue, "beforeChange");
6.1254 - _latestValue = newValue;
6.1255 - if (DEBUG) dependentObservable._latestValue = _latestValue;
6.1256 - } finally {
6.1257 - ko.dependencyDetection.end();
6.1258 - }
6.1259 -
6.1260 - dependentObservable["notifySubscribers"](_latestValue);
6.1261 - _isBeingEvaluated = false;
6.1262 - if (!_subscriptionsToDependencies.length)
6.1263 - dispose();
6.1264 - }
6.1265 -
6.1266 - function dependentObservable() {
6.1267 - if (arguments.length > 0) {
6.1268 - if (typeof writeFunction === "function") {
6.1269 - // Writing a value
6.1270 - writeFunction.apply(evaluatorFunctionTarget, arguments);
6.1271 - } else {
6.1272 - throw new Error("Cannot write a value to a ko.computed unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters.");
6.1273 - }
6.1274 - return this; // Permits chained assignments
6.1275 - } else {
6.1276 - // Reading the value
6.1277 - if (!_hasBeenEvaluated)
6.1278 - evaluateImmediate();
6.1279 - ko.dependencyDetection.registerDependency(dependentObservable);
6.1280 - return _latestValue;
6.1281 - }
6.1282 - }
6.1283 -
6.1284 - function peek() {
6.1285 - if (!_hasBeenEvaluated)
6.1286 - evaluateImmediate();
6.1287 - return _latestValue;
6.1288 - }
6.1289 -
6.1290 - function isActive() {
6.1291 - return !_hasBeenEvaluated || _subscriptionsToDependencies.length > 0;
6.1292 - }
6.1293 -
6.1294 - // By here, "options" is always non-null
6.1295 - var writeFunction = options["write"],
6.1296 - disposeWhenNodeIsRemoved = options["disposeWhenNodeIsRemoved"] || options.disposeWhenNodeIsRemoved || null,
6.1297 - disposeWhen = options["disposeWhen"] || options.disposeWhen || function() { return false; },
6.1298 - dispose = disposeAllSubscriptionsToDependencies,
6.1299 - _subscriptionsToDependencies = [],
6.1300 - evaluationTimeoutInstance = null;
6.1301 -
6.1302 - if (!evaluatorFunctionTarget)
6.1303 - evaluatorFunctionTarget = options["owner"];
6.1304 -
6.1305 - dependentObservable.peek = peek;
6.1306 - dependentObservable.getDependenciesCount = function () { return _subscriptionsToDependencies.length; };
6.1307 - dependentObservable.hasWriteFunction = typeof options["write"] === "function";
6.1308 - dependentObservable.dispose = function () { dispose(); };
6.1309 - dependentObservable.isActive = isActive;
6.1310 - dependentObservable.valueHasMutated = function() {
6.1311 - _hasBeenEvaluated = false;
6.1312 - evaluateImmediate();
6.1313 - };
6.1314 -
6.1315 - ko.subscribable.call(dependentObservable);
6.1316 - ko.utils.extend(dependentObservable, ko.dependentObservable['fn']);
6.1317 -
6.1318 - ko.exportProperty(dependentObservable, 'peek', dependentObservable.peek);
6.1319 - ko.exportProperty(dependentObservable, 'dispose', dependentObservable.dispose);
6.1320 - ko.exportProperty(dependentObservable, 'isActive', dependentObservable.isActive);
6.1321 - ko.exportProperty(dependentObservable, 'getDependenciesCount', dependentObservable.getDependenciesCount);
6.1322 -
6.1323 - // Evaluate, unless deferEvaluation is true
6.1324 - if (options['deferEvaluation'] !== true)
6.1325 - evaluateImmediate();
6.1326 -
6.1327 - // Build "disposeWhenNodeIsRemoved" and "disposeWhenNodeIsRemovedCallback" option values.
6.1328 - // But skip if isActive is false (there will never be any dependencies to dispose).
6.1329 - // (Note: "disposeWhenNodeIsRemoved" option both proactively disposes as soon as the node is removed using ko.removeNode(),
6.1330 - // plus adds a "disposeWhen" callback that, on each evaluation, disposes if the node was removed by some other means.)
6.1331 - if (disposeWhenNodeIsRemoved && isActive()) {
6.1332 - dispose = function() {
6.1333 - ko.utils.domNodeDisposal.removeDisposeCallback(disposeWhenNodeIsRemoved, arguments.callee);
6.1334 - disposeAllSubscriptionsToDependencies();
6.1335 - };
6.1336 - ko.utils.domNodeDisposal.addDisposeCallback(disposeWhenNodeIsRemoved, dispose);
6.1337 - var existingDisposeWhenFunction = disposeWhen;
6.1338 - disposeWhen = function () {
6.1339 - return !ko.utils.domNodeIsAttachedToDocument(disposeWhenNodeIsRemoved) || existingDisposeWhenFunction();
6.1340 - }
6.1341 - }
6.1342 -
6.1343 - return dependentObservable;
6.1344 -};
6.1345 -
6.1346 -ko.isComputed = function(instance) {
6.1347 - return ko.hasPrototype(instance, ko.dependentObservable);
6.1348 -};
6.1349 -
6.1350 -var protoProp = ko.observable.protoProperty; // == "__ko_proto__"
6.1351 -ko.dependentObservable[protoProp] = ko.observable;
6.1352 -
6.1353 -ko.dependentObservable['fn'] = {};
6.1354 -ko.dependentObservable['fn'][protoProp] = ko.dependentObservable;
6.1355 -
6.1356 -ko.exportSymbol('dependentObservable', ko.dependentObservable);
6.1357 -ko.exportSymbol('computed', ko.dependentObservable); // Make "ko.computed" an alias for "ko.dependentObservable"
6.1358 -ko.exportSymbol('isComputed', ko.isComputed);
6.1359 -
6.1360 -(function() {
6.1361 - var maxNestedObservableDepth = 10; // Escape the (unlikely) pathalogical case where an observable's current value is itself (or similar reference cycle)
6.1362 -
6.1363 - ko.toJS = function(rootObject) {
6.1364 - if (arguments.length == 0)
6.1365 - throw new Error("When calling ko.toJS, pass the object you want to convert.");
6.1366 -
6.1367 - // We just unwrap everything at every level in the object graph
6.1368 - return mapJsObjectGraph(rootObject, function(valueToMap) {
6.1369 - // Loop because an observable's value might in turn be another observable wrapper
6.1370 - for (var i = 0; ko.isObservable(valueToMap) && (i < maxNestedObservableDepth); i++)
6.1371 - valueToMap = valueToMap();
6.1372 - return valueToMap;
6.1373 - });
6.1374 - };
6.1375 -
6.1376 - ko.toJSON = function(rootObject, replacer, space) { // replacer and space are optional
6.1377 - var plainJavaScriptObject = ko.toJS(rootObject);
6.1378 - return ko.utils.stringifyJson(plainJavaScriptObject, replacer, space);
6.1379 - };
6.1380 -
6.1381 - function mapJsObjectGraph(rootObject, mapInputCallback, visitedObjects) {
6.1382 - visitedObjects = visitedObjects || new objectLookup();
6.1383 -
6.1384 - rootObject = mapInputCallback(rootObject);
6.1385 - var canHaveProperties = (typeof rootObject == "object") && (rootObject !== null) && (rootObject !== undefined) && (!(rootObject instanceof Date));
6.1386 - if (!canHaveProperties)
6.1387 - return rootObject;
6.1388 -
6.1389 - var outputProperties = rootObject instanceof Array ? [] : {};
6.1390 - visitedObjects.save(rootObject, outputProperties);
6.1391 -
6.1392 - visitPropertiesOrArrayEntries(rootObject, function(indexer) {
6.1393 - var propertyValue = mapInputCallback(rootObject[indexer]);
6.1394 -
6.1395 - switch (typeof propertyValue) {
6.1396 - case "boolean":
6.1397 - case "number":
6.1398 - case "string":
6.1399 - case "function":
6.1400 - outputProperties[indexer] = propertyValue;
6.1401 - break;
6.1402 - case "object":
6.1403 - case "undefined":
6.1404 - var previouslyMappedValue = visitedObjects.get(propertyValue);
6.1405 - outputProperties[indexer] = (previouslyMappedValue !== undefined)
6.1406 - ? previouslyMappedValue
6.1407 - : mapJsObjectGraph(propertyValue, mapInputCallback, visitedObjects);
6.1408 - break;
6.1409 - }
6.1410 - });
6.1411 -
6.1412 - return outputProperties;
6.1413 - }
6.1414 -
6.1415 - function visitPropertiesOrArrayEntries(rootObject, visitorCallback) {
6.1416 - if (rootObject instanceof Array) {
6.1417 - for (var i = 0; i < rootObject.length; i++)
6.1418 - visitorCallback(i);
6.1419 -
6.1420 - // For arrays, also respect toJSON property for custom mappings (fixes #278)
6.1421 - if (typeof rootObject['toJSON'] == 'function')
6.1422 - visitorCallback('toJSON');
6.1423 - } else {
6.1424 - for (var propertyName in rootObject)
6.1425 - visitorCallback(propertyName);
6.1426 - }
6.1427 - };
6.1428 -
6.1429 - function objectLookup() {
6.1430 - var keys = [];
6.1431 - var values = [];
6.1432 - this.save = function(key, value) {
6.1433 - var existingIndex = ko.utils.arrayIndexOf(keys, key);
6.1434 - if (existingIndex >= 0)
6.1435 - values[existingIndex] = value;
6.1436 - else {
6.1437 - keys.push(key);
6.1438 - values.push(value);
6.1439 - }
6.1440 - };
6.1441 - this.get = function(key) {
6.1442 - var existingIndex = ko.utils.arrayIndexOf(keys, key);
6.1443 - return (existingIndex >= 0) ? values[existingIndex] : undefined;
6.1444 - };
6.1445 - };
6.1446 -})();
6.1447 -
6.1448 -ko.exportSymbol('toJS', ko.toJS);
6.1449 -ko.exportSymbol('toJSON', ko.toJSON);
6.1450 -(function () {
6.1451 - var hasDomDataExpandoProperty = '__ko__hasDomDataOptionValue__';
6.1452 -
6.1453 - // Normally, SELECT elements and their OPTIONs can only take value of type 'string' (because the values
6.1454 - // are stored on DOM attributes). ko.selectExtensions provides a way for SELECTs/OPTIONs to have values
6.1455 - // that are arbitrary objects. This is very convenient when implementing things like cascading dropdowns.
6.1456 - ko.selectExtensions = {
6.1457 - readValue : function(element) {
6.1458 - switch (ko.utils.tagNameLower(element)) {
6.1459 - case 'option':
6.1460 - if (element[hasDomDataExpandoProperty] === true)
6.1461 - return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
6.1462 - return ko.utils.ieVersion <= 7
6.1463 - ? (element.getAttributeNode('value').specified ? element.value : element.text)
6.1464 - : element.value;
6.1465 - case 'select':
6.1466 - return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
6.1467 - default:
6.1468 - return element.value;
6.1469 - }
6.1470 - },
6.1471 -
6.1472 - writeValue: function(element, value) {
6.1473 - switch (ko.utils.tagNameLower(element)) {
6.1474 - case 'option':
6.1475 - switch(typeof value) {
6.1476 - case "string":
6.1477 - ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, undefined);
6.1478 - if (hasDomDataExpandoProperty in element) { // IE <= 8 throws errors if you delete non-existent properties from a DOM node
6.1479 - delete element[hasDomDataExpandoProperty];
6.1480 - }
6.1481 - element.value = value;
6.1482 - break;
6.1483 - default:
6.1484 - // Store arbitrary object using DomData
6.1485 - ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, value);
6.1486 - element[hasDomDataExpandoProperty] = true;
6.1487 -
6.1488 - // Special treatment of numbers is just for backward compatibility. KO 1.2.1 wrote numerical values to element.value.
6.1489 - element.value = typeof value === "number" ? value : "";
6.1490 - break;
6.1491 - }
6.1492 - break;
6.1493 - case 'select':
6.1494 - for (var i = element.options.length - 1; i >= 0; i--) {
6.1495 - if (ko.selectExtensions.readValue(element.options[i]) == value) {
6.1496 - element.selectedIndex = i;
6.1497 - break;
6.1498 - }
6.1499 - }
6.1500 - break;
6.1501 - default:
6.1502 - if ((value === null) || (value === undefined))
6.1503 - value = "";
6.1504 - element.value = value;
6.1505 - break;
6.1506 - }
6.1507 - }
6.1508 - };
6.1509 -})();
6.1510 -
6.1511 -ko.exportSymbol('selectExtensions', ko.selectExtensions);
6.1512 -ko.exportSymbol('selectExtensions.readValue', ko.selectExtensions.readValue);
6.1513 -ko.exportSymbol('selectExtensions.writeValue', ko.selectExtensions.writeValue);
6.1514 -ko.expressionRewriting = (function () {
6.1515 - var restoreCapturedTokensRegex = /\@ko_token_(\d+)\@/g;
6.1516 - var javaScriptReservedWords = ["true", "false"];
6.1517 -
6.1518 - // Matches something that can be assigned to--either an isolated identifier or something ending with a property accessor
6.1519 - // This is designed to be simple and avoid false negatives, but could produce false positives (e.g., a+b.c).
6.1520 - var javaScriptAssignmentTarget = /^(?:[$_a-z][$\w]*|(.+)(\.\s*[$_a-z][$\w]*|\[.+\]))$/i;
6.1521 -
6.1522 - function restoreTokens(string, tokens) {
6.1523 - var prevValue = null;
6.1524 - while (string != prevValue) { // Keep restoring tokens until it no longer makes a difference (they may be nested)
6.1525 - prevValue = string;
6.1526 - string = string.replace(restoreCapturedTokensRegex, function (match, tokenIndex) {
6.1527 - return tokens[tokenIndex];
6.1528 - });
6.1529 - }
6.1530 - return string;
6.1531 - }
6.1532 -
6.1533 - function getWriteableValue(expression) {
6.1534 - if (ko.utils.arrayIndexOf(javaScriptReservedWords, ko.utils.stringTrim(expression).toLowerCase()) >= 0)
6.1535 - return false;
6.1536 - var match = expression.match(javaScriptAssignmentTarget);
6.1537 - return match === null ? false : match[1] ? ('Object(' + match[1] + ')' + match[2]) : expression;
6.1538 - }
6.1539 -
6.1540 - function ensureQuoted(key) {
6.1541 - var trimmedKey = ko.utils.stringTrim(key);
6.1542 - switch (trimmedKey.length && trimmedKey.charAt(0)) {
6.1543 - case "'":
6.1544 - case '"':
6.1545 - return key;
6.1546 - default:
6.1547 - return "'" + trimmedKey + "'";
6.1548 - }
6.1549 - }
6.1550 -
6.1551 - return {
6.1552 - bindingRewriteValidators: [],
6.1553 -
6.1554 - parseObjectLiteral: function(objectLiteralString) {
6.1555 - // A full tokeniser+lexer would add too much weight to this library, so here's a simple parser
6.1556 - // that is sufficient just to split an object literal string into a set of top-level key-value pairs
6.1557 -
6.1558 - var str = ko.utils.stringTrim(objectLiteralString);
6.1559 - if (str.length < 3)
6.1560 - return [];
6.1561 - if (str.charAt(0) === "{")// Ignore any braces surrounding the whole object literal
6.1562 - str = str.substring(1, str.length - 1);
6.1563 -
6.1564 - // Pull out any string literals and regex literals
6.1565 - var tokens = [];
6.1566 - var tokenStart = null, tokenEndChar;
6.1567 - for (var position = 0; position < str.length; position++) {
6.1568 - var c = str.charAt(position);
6.1569 - if (tokenStart === null) {
6.1570 - switch (c) {
6.1571 - case '"':
6.1572 - case "'":
6.1573 - case "/":
6.1574 - tokenStart = position;
6.1575 - tokenEndChar = c;
6.1576 - break;
6.1577 - }
6.1578 - } else if ((c == tokenEndChar) && (str.charAt(position - 1) !== "\\")) {
6.1579 - var token = str.substring(tokenStart, position + 1);
6.1580 - tokens.push(token);
6.1581 - var replacement = "@ko_token_" + (tokens.length - 1) + "@";
6.1582 - str = str.substring(0, tokenStart) + replacement + str.substring(position + 1);
6.1583 - position -= (token.length - replacement.length);
6.1584 - tokenStart = null;
6.1585 - }
6.1586 - }
6.1587 -
6.1588 - // Next pull out balanced paren, brace, and bracket blocks
6.1589 - tokenStart = null;
6.1590 - tokenEndChar = null;
6.1591 - var tokenDepth = 0, tokenStartChar = null;
6.1592 - for (var position = 0; position < str.length; position++) {
6.1593 - var c = str.charAt(position);
6.1594 - if (tokenStart === null) {
6.1595 - switch (c) {
6.1596 - case "{": tokenStart = position; tokenStartChar = c;
6.1597 - tokenEndChar = "}";
6.1598 - break;
6.1599 - case "(": tokenStart = position; tokenStartChar = c;
6.1600 - tokenEndChar = ")";
6.1601 - break;
6.1602 - case "[": tokenStart = position; tokenStartChar = c;
6.1603 - tokenEndChar = "]";
6.1604 - break;
6.1605 - }
6.1606 - }
6.1607 -
6.1608 - if (c === tokenStartChar)
6.1609 - tokenDepth++;
6.1610 - else if (c === tokenEndChar) {
6.1611 - tokenDepth--;
6.1612 - if (tokenDepth === 0) {
6.1613 - var token = str.substring(tokenStart, position + 1);
6.1614 - tokens.push(token);
6.1615 - var replacement = "@ko_token_" + (tokens.length - 1) + "@";
6.1616 - str = str.substring(0, tokenStart) + replacement + str.substring(position + 1);
6.1617 - position -= (token.length - replacement.length);
6.1618 - tokenStart = null;
6.1619 - }
6.1620 - }
6.1621 - }
6.1622 -
6.1623 - // Now we can safely split on commas to get the key/value pairs
6.1624 - var result = [];
6.1625 - var keyValuePairs = str.split(",");
6.1626 - for (var i = 0, j = keyValuePairs.length; i < j; i++) {
6.1627 - var pair = keyValuePairs[i];
6.1628 - var colonPos = pair.indexOf(":");
6.1629 - if ((colonPos > 0) && (colonPos < pair.length - 1)) {
6.1630 - var key = pair.substring(0, colonPos);
6.1631 - var value = pair.substring(colonPos + 1);
6.1632 - result.push({ 'key': restoreTokens(key, tokens), 'value': restoreTokens(value, tokens) });
6.1633 - } else {
6.1634 - result.push({ 'unknown': restoreTokens(pair, tokens) });
6.1635 - }
6.1636 - }
6.1637 - return result;
6.1638 - },
6.1639 -
6.1640 - preProcessBindings: function (objectLiteralStringOrKeyValueArray) {
6.1641 - var keyValueArray = typeof objectLiteralStringOrKeyValueArray === "string"
6.1642 - ? ko.expressionRewriting.parseObjectLiteral(objectLiteralStringOrKeyValueArray)
6.1643 - : objectLiteralStringOrKeyValueArray;
6.1644 - var resultStrings = [], propertyAccessorResultStrings = [];
6.1645 -
6.1646 - var keyValueEntry;
6.1647 - for (var i = 0; keyValueEntry = keyValueArray[i]; i++) {
6.1648 - if (resultStrings.length > 0)
6.1649 - resultStrings.push(",");
6.1650 -
6.1651 - if (keyValueEntry['key']) {
6.1652 - var quotedKey = ensureQuoted(keyValueEntry['key']), val = keyValueEntry['value'];
6.1653 - resultStrings.push(quotedKey);
6.1654 - resultStrings.push(":");
6.1655 - resultStrings.push(val);
6.1656 -
6.1657 - if (val = getWriteableValue(ko.utils.stringTrim(val))) {
6.1658 - if (propertyAccessorResultStrings.length > 0)
6.1659 - propertyAccessorResultStrings.push(", ");
6.1660 - propertyAccessorResultStrings.push(quotedKey + " : function(__ko_value) { " + val + " = __ko_value; }");
6.1661 - }
6.1662 - } else if (keyValueEntry['unknown']) {
6.1663 - resultStrings.push(keyValueEntry['unknown']);
6.1664 - }
6.1665 - }
6.1666 -
6.1667 - var combinedResult = resultStrings.join("");
6.1668 - if (propertyAccessorResultStrings.length > 0) {
6.1669 - var allPropertyAccessors = propertyAccessorResultStrings.join("");
6.1670 - combinedResult = combinedResult + ", '_ko_property_writers' : { " + allPropertyAccessors + " } ";
6.1671 - }
6.1672 -
6.1673 - return combinedResult;
6.1674 - },
6.1675 -
6.1676 - keyValueArrayContainsKey: function(keyValueArray, key) {
6.1677 - for (var i = 0; i < keyValueArray.length; i++)
6.1678 - if (ko.utils.stringTrim(keyValueArray[i]['key']) == key)
6.1679 - return true;
6.1680 - return false;
6.1681 - },
6.1682 -
6.1683 - // Internal, private KO utility for updating model properties from within bindings
6.1684 - // property: If the property being updated is (or might be) an observable, pass it here
6.1685 - // If it turns out to be a writable observable, it will be written to directly
6.1686 - // allBindingsAccessor: All bindings in the current execution context.
6.1687 - // This will be searched for a '_ko_property_writers' property in case you're writing to a non-observable
6.1688 - // key: The key identifying the property to be written. Example: for { hasFocus: myValue }, write to 'myValue' by specifying the key 'hasFocus'
6.1689 - // value: The value to be written
6.1690 - // checkIfDifferent: If true, and if the property being written is a writable observable, the value will only be written if
6.1691 - // it is !== existing value on that writable observable
6.1692 - writeValueToProperty: function(property, allBindingsAccessor, key, value, checkIfDifferent) {
6.1693 - if (!property || !ko.isWriteableObservable(property)) {
6.1694 - var propWriters = allBindingsAccessor()['_ko_property_writers'];
6.1695 - if (propWriters && propWriters[key])
6.1696 - propWriters[key](value);
6.1697 - } else if (!checkIfDifferent || property.peek() !== value) {
6.1698 - property(value);
6.1699 - }
6.1700 - }
6.1701 - };
6.1702 -})();
6.1703 -
6.1704 -ko.exportSymbol('expressionRewriting', ko.expressionRewriting);
6.1705 -ko.exportSymbol('expressionRewriting.bindingRewriteValidators', ko.expressionRewriting.bindingRewriteValidators);
6.1706 -ko.exportSymbol('expressionRewriting.parseObjectLiteral', ko.expressionRewriting.parseObjectLiteral);
6.1707 -ko.exportSymbol('expressionRewriting.preProcessBindings', ko.expressionRewriting.preProcessBindings);
6.1708 -
6.1709 -// For backward compatibility, define the following aliases. (Previously, these function names were misleading because
6.1710 -// they referred to JSON specifically, even though they actually work with arbitrary JavaScript object literal expressions.)
6.1711 -ko.exportSymbol('jsonExpressionRewriting', ko.expressionRewriting);
6.1712 -ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.expressionRewriting.preProcessBindings);(function() {
6.1713 - // "Virtual elements" is an abstraction on top of the usual DOM API which understands the notion that comment nodes
6.1714 - // may be used to represent hierarchy (in addition to the DOM's natural hierarchy).
6.1715 - // If you call the DOM-manipulating functions on ko.virtualElements, you will be able to read and write the state
6.1716 - // of that virtual hierarchy
6.1717 - //
6.1718 - // The point of all this is to support containerless templates (e.g., <!-- ko foreach:someCollection -->blah<!-- /ko -->)
6.1719 - // without having to scatter special cases all over the binding and templating code.
6.1720 -
6.1721 - // IE 9 cannot reliably read the "nodeValue" property of a comment node (see https://github.com/SteveSanderson/knockout/issues/186)
6.1722 - // but it does give them a nonstandard alternative property called "text" that it can read reliably. Other browsers don't have that property.
6.1723 - // So, use node.text where available, and node.nodeValue elsewhere
6.1724 - var commentNodesHaveTextProperty = document.createComment("test").text === "<!--test-->";
6.1725 -
6.1726 - var startCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*ko(?:\s+(.+\s*\:[\s\S]*))?\s*-->$/ : /^\s*ko(?:\s+(.+\s*\:[\s\S]*))?\s*$/;
6.1727 - var endCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*\/ko\s*-->$/ : /^\s*\/ko\s*$/;
6.1728 - var htmlTagsWithOptionallyClosingChildren = { 'ul': true, 'ol': true };
6.1729 -
6.1730 - function isStartComment(node) {
6.1731 - return (node.nodeType == 8) && (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(startCommentRegex);
6.1732 - }
6.1733 -
6.1734 - function isEndComment(node) {
6.1735 - return (node.nodeType == 8) && (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(endCommentRegex);
6.1736 - }
6.1737 -
6.1738 - function getVirtualChildren(startComment, allowUnbalanced) {
6.1739 - var currentNode = startComment;
6.1740 - var depth = 1;
6.1741 - var children = [];
6.1742 - while (currentNode = currentNode.nextSibling) {
6.1743 - if (isEndComment(currentNode)) {
6.1744 - depth--;
6.1745 - if (depth === 0)
6.1746 - return children;
6.1747 - }
6.1748 -
6.1749 - children.push(currentNode);
6.1750 -
6.1751 - if (isStartComment(currentNode))
6.1752 - depth++;
6.1753 - }
6.1754 - if (!allowUnbalanced)
6.1755 - throw new Error("Cannot find closing comment tag to match: " + startComment.nodeValue);
6.1756 - return null;
6.1757 - }
6.1758 -
6.1759 - function getMatchingEndComment(startComment, allowUnbalanced) {
6.1760 - var allVirtualChildren = getVirtualChildren(startComment, allowUnbalanced);
6.1761 - if (allVirtualChildren) {
6.1762 - if (allVirtualChildren.length > 0)
6.1763 - return allVirtualChildren[allVirtualChildren.length - 1].nextSibling;
6.1764 - return startComment.nextSibling;
6.1765 - } else
6.1766 - return null; // Must have no matching end comment, and allowUnbalanced is true
6.1767 - }
6.1768 -
6.1769 - function getUnbalancedChildTags(node) {
6.1770 - // e.g., from <div>OK</div><!-- ko blah --><span>Another</span>, returns: <!-- ko blah --><span>Another</span>
6.1771 - // from <div>OK</div><!-- /ko --><!-- /ko -->, returns: <!-- /ko --><!-- /ko -->
6.1772 - var childNode = node.firstChild, captureRemaining = null;
6.1773 - if (childNode) {
6.1774 - do {
6.1775 - if (captureRemaining) // We already hit an unbalanced node and are now just scooping up all subsequent nodes
6.1776 - captureRemaining.push(childNode);
6.1777 - else if (isStartComment(childNode)) {
6.1778 - var matchingEndComment = getMatchingEndComment(childNode, /* allowUnbalanced: */ true);
6.1779 - if (matchingEndComment) // It's a balanced tag, so skip immediately to the end of this virtual set
6.1780 - childNode = matchingEndComment;
6.1781 - else
6.1782 - captureRemaining = [childNode]; // It's unbalanced, so start capturing from this point
6.1783 - } else if (isEndComment(childNode)) {
6.1784 - captureRemaining = [childNode]; // It's unbalanced (if it wasn't, we'd have skipped over it already), so start capturing
6.1785 - }
6.1786 - } while (childNode = childNode.nextSibling);
6.1787 - }
6.1788 - return captureRemaining;
6.1789 - }
6.1790 -
6.1791 - ko.virtualElements = {
6.1792 - allowedBindings: {},
6.1793 -
6.1794 - childNodes: function(node) {
6.1795 - return isStartComment(node) ? getVirtualChildren(node) : node.childNodes;
6.1796 - },
6.1797 -
6.1798 - emptyNode: function(node) {
6.1799 - if (!isStartComment(node))
6.1800 - ko.utils.emptyDomNode(node);
6.1801 - else {
6.1802 - var virtualChildren = ko.virtualElements.childNodes(node);
6.1803 - for (var i = 0, j = virtualChildren.length; i < j; i++)
6.1804 - ko.removeNode(virtualChildren[i]);
6.1805 - }
6.1806 - },
6.1807 -
6.1808 - setDomNodeChildren: function(node, childNodes) {
6.1809 - if (!isStartComment(node))
6.1810 - ko.utils.setDomNodeChildren(node, childNodes);
6.1811 - else {
6.1812 - ko.virtualElements.emptyNode(node);
6.1813 - var endCommentNode = node.nextSibling; // Must be the next sibling, as we just emptied the children
6.1814 - for (var i = 0, j = childNodes.length; i < j; i++)
6.1815 - endCommentNode.parentNode.insertBefore(childNodes[i], endCommentNode);
6.1816 - }
6.1817 - },
6.1818 -
6.1819 - prepend: function(containerNode, nodeToPrepend) {
6.1820 - if (!isStartComment(containerNode)) {
6.1821 - if (containerNode.firstChild)
6.1822 - containerNode.insertBefore(nodeToPrepend, containerNode.firstChild);
6.1823 - else
6.1824 - containerNode.appendChild(nodeToPrepend);
6.1825 - } else {
6.1826 - // Start comments must always have a parent and at least one following sibling (the end comment)
6.1827 - containerNode.parentNode.insertBefore(nodeToPrepend, containerNode.nextSibling);
6.1828 - }
6.1829 - },
6.1830 -
6.1831 - insertAfter: function(containerNode, nodeToInsert, insertAfterNode) {
6.1832 - if (!insertAfterNode) {
6.1833 - ko.virtualElements.prepend(containerNode, nodeToInsert);
6.1834 - } else if (!isStartComment(containerNode)) {
6.1835 - // Insert after insertion point
6.1836 - if (insertAfterNode.nextSibling)
6.1837 - containerNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
6.1838 - else
6.1839 - containerNode.appendChild(nodeToInsert);
6.1840 - } else {
6.1841 - // Children of start comments must always have a parent and at least one following sibling (the end comment)
6.1842 - containerNode.parentNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
6.1843 - }
6.1844 - },
6.1845 -
6.1846 - firstChild: function(node) {
6.1847 - if (!isStartComment(node))
6.1848 - return node.firstChild;
6.1849 - if (!node.nextSibling || isEndComment(node.nextSibling))
6.1850 - return null;
6.1851 - return node.nextSibling;
6.1852 - },
6.1853 -
6.1854 - nextSibling: function(node) {
6.1855 - if (isStartComment(node))
6.1856 - node = getMatchingEndComment(node);
6.1857 - if (node.nextSibling && isEndComment(node.nextSibling))
6.1858 - return null;
6.1859 - return node.nextSibling;
6.1860 - },
6.1861 -
6.1862 - virtualNodeBindingValue: function(node) {
6.1863 - var regexMatch = isStartComment(node);
6.1864 - return regexMatch ? regexMatch[1] : null;
6.1865 - },
6.1866 -
6.1867 - normaliseVirtualElementDomStructure: function(elementVerified) {
6.1868 - // Workaround for https://github.com/SteveSanderson/knockout/issues/155
6.1869 - // (IE <= 8 or IE 9 quirks mode parses your HTML weirdly, treating closing </li> tags as if they don't exist, thereby moving comment nodes
6.1870 - // that are direct descendants of <ul> into the preceding <li>)
6.1871 - if (!htmlTagsWithOptionallyClosingChildren[ko.utils.tagNameLower(elementVerified)])
6.1872 - return;
6.1873 -
6.1874 - // Scan immediate children to see if they contain unbalanced comment tags. If they do, those comment tags
6.1875 - // must be intended to appear *after* that child, so move them there.
6.1876 - var childNode = elementVerified.firstChild;
6.1877 - if (childNode) {
6.1878 - do {
6.1879 - if (childNode.nodeType === 1) {
6.1880 - var unbalancedTags = getUnbalancedChildTags(childNode);
6.1881 - if (unbalancedTags) {
6.1882 - // Fix up the DOM by moving the unbalanced tags to where they most likely were intended to be placed - *after* the child
6.1883 - var nodeToInsertBefore = childNode.nextSibling;
6.1884 - for (var i = 0; i < unbalancedTags.length; i++) {
6.1885 - if (nodeToInsertBefore)
6.1886 - elementVerified.insertBefore(unbalancedTags[i], nodeToInsertBefore);
6.1887 - else
6.1888 - elementVerified.appendChild(unbalancedTags[i]);
6.1889 - }
6.1890 - }
6.1891 - }
6.1892 - } while (childNode = childNode.nextSibling);
6.1893 - }
6.1894 - }
6.1895 - };
6.1896 -})();
6.1897 -ko.exportSymbol('virtualElements', ko.virtualElements);
6.1898 -ko.exportSymbol('virtualElements.allowedBindings', ko.virtualElements.allowedBindings);
6.1899 -ko.exportSymbol('virtualElements.emptyNode', ko.virtualElements.emptyNode);
6.1900 -//ko.exportSymbol('virtualElements.firstChild', ko.virtualElements.firstChild); // firstChild is not minified
6.1901 -ko.exportSymbol('virtualElements.insertAfter', ko.virtualElements.insertAfter);
6.1902 -//ko.exportSymbol('virtualElements.nextSibling', ko.virtualElements.nextSibling); // nextSibling is not minified
6.1903 -ko.exportSymbol('virtualElements.prepend', ko.virtualElements.prepend);
6.1904 -ko.exportSymbol('virtualElements.setDomNodeChildren', ko.virtualElements.setDomNodeChildren);
6.1905 -(function() {
6.1906 - var defaultBindingAttributeName = "data-bind";
6.1907 -
6.1908 - ko.bindingProvider = function() {
6.1909 - this.bindingCache = {};
6.1910 - };
6.1911 -
6.1912 - ko.utils.extend(ko.bindingProvider.prototype, {
6.1913 - 'nodeHasBindings': function(node) {
6.1914 - switch (node.nodeType) {
6.1915 - case 1: return node.getAttribute(defaultBindingAttributeName) != null; // Element
6.1916 - case 8: return ko.virtualElements.virtualNodeBindingValue(node) != null; // Comment node
6.1917 - default: return false;
6.1918 - }
6.1919 - },
6.1920 -
6.1921 - 'getBindings': function(node, bindingContext) {
6.1922 - var bindingsString = this['getBindingsString'](node, bindingContext);
6.1923 - return bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node) : null;
6.1924 - },
6.1925 -
6.1926 - // The following function is only used internally by this default provider.
6.1927 - // It's not part of the interface definition for a general binding provider.
6.1928 - 'getBindingsString': function(node, bindingContext) {
6.1929 - switch (node.nodeType) {
6.1930 - case 1: return node.getAttribute(defaultBindingAttributeName); // Element
6.1931 - case 8: return ko.virtualElements.virtualNodeBindingValue(node); // Comment node
6.1932 - default: return null;
6.1933 - }
6.1934 - },
6.1935 -
6.1936 - // The following function is only used internally by this default provider.
6.1937 - // It's not part of the interface definition for a general binding provider.
6.1938 - 'parseBindingsString': function(bindingsString, bindingContext, node) {
6.1939 - try {
6.1940 - var bindingFunction = createBindingsStringEvaluatorViaCache(bindingsString, this.bindingCache);
6.1941 - return bindingFunction(bindingContext, node);
6.1942 - } catch (ex) {
6.1943 - throw new Error("Unable to parse bindings.\nMessage: " + ex + ";\nBindings value: " + bindingsString);
6.1944 - }
6.1945 - }
6.1946 - });
6.1947 -
6.1948 - ko.bindingProvider['instance'] = new ko.bindingProvider();
6.1949 -
6.1950 - function createBindingsStringEvaluatorViaCache(bindingsString, cache) {
6.1951 - var cacheKey = bindingsString;
6.1952 - return cache[cacheKey]
6.1953 - || (cache[cacheKey] = createBindingsStringEvaluator(bindingsString));
6.1954 - }
6.1955 -
6.1956 - function createBindingsStringEvaluator(bindingsString) {
6.1957 - // Build the source for a function that evaluates "expression"
6.1958 - // For each scope variable, add an extra level of "with" nesting
6.1959 - // Example result: with(sc1) { with(sc0) { return (expression) } }
6.1960 - var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString),
6.1961 - functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
6.1962 - return new Function("$context", "$element", functionBody);
6.1963 - }
6.1964 -})();
6.1965 -
6.1966 -ko.exportSymbol('bindingProvider', ko.bindingProvider);
6.1967 -(function () {
6.1968 - ko.bindingHandlers = {};
6.1969 -
6.1970 - ko.bindingContext = function(dataItem, parentBindingContext, dataItemAlias) {
6.1971 - if (parentBindingContext) {
6.1972 - ko.utils.extend(this, parentBindingContext); // Inherit $root and any custom properties
6.1973 - this['$parentContext'] = parentBindingContext;
6.1974 - this['$parent'] = parentBindingContext['$data'];
6.1975 - this['$parents'] = (parentBindingContext['$parents'] || []).slice(0);
6.1976 - this['$parents'].unshift(this['$parent']);
6.1977 - } else {
6.1978 - this['$parents'] = [];
6.1979 - this['$root'] = dataItem;
6.1980 - // Export 'ko' in the binding context so it will be available in bindings and templates
6.1981 - // even if 'ko' isn't exported as a global, such as when using an AMD loader.
6.1982 - // See https://github.com/SteveSanderson/knockout/issues/490
6.1983 - this['ko'] = ko;
6.1984 - }
6.1985 - this['$data'] = dataItem;
6.1986 - if (dataItemAlias)
6.1987 - this[dataItemAlias] = dataItem;
6.1988 - }
6.1989 - ko.bindingContext.prototype['createChildContext'] = function (dataItem, dataItemAlias) {
6.1990 - return new ko.bindingContext(dataItem, this, dataItemAlias);
6.1991 - };
6.1992 - ko.bindingContext.prototype['extend'] = function(properties) {
6.1993 - var clone = ko.utils.extend(new ko.bindingContext(), this);
6.1994 - return ko.utils.extend(clone, properties);
6.1995 - };
6.1996 -
6.1997 - function validateThatBindingIsAllowedForVirtualElements(bindingName) {
6.1998 - var validator = ko.virtualElements.allowedBindings[bindingName];
6.1999 - if (!validator)
6.2000 - throw new Error("The binding '" + bindingName + "' cannot be used with virtual elements")
6.2001 - }
6.2002 -
6.2003 - function applyBindingsToDescendantsInternal (viewModel, elementOrVirtualElement, bindingContextsMayDifferFromDomParentElement) {
6.2004 - var currentChild, nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement);
6.2005 - while (currentChild = nextInQueue) {
6.2006 - // Keep a record of the next child *before* applying bindings, in case the binding removes the current child from its position
6.2007 - nextInQueue = ko.virtualElements.nextSibling(currentChild);
6.2008 - applyBindingsToNodeAndDescendantsInternal(viewModel, currentChild, bindingContextsMayDifferFromDomParentElement);
6.2009 - }
6.2010 - }
6.2011 -
6.2012 - function applyBindingsToNodeAndDescendantsInternal (viewModel, nodeVerified, bindingContextMayDifferFromDomParentElement) {
6.2013 - var shouldBindDescendants = true;
6.2014 -
6.2015 - // Perf optimisation: Apply bindings only if...
6.2016 - // (1) We need to store the binding context on this node (because it may differ from the DOM parent node's binding context)
6.2017 - // Note that we can't store binding contexts on non-elements (e.g., text nodes), as IE doesn't allow expando properties for those
6.2018 - // (2) It might have bindings (e.g., it has a data-bind attribute, or it's a marker for a containerless template)
6.2019 - var isElement = (nodeVerified.nodeType === 1);
6.2020 - if (isElement) // Workaround IE <= 8 HTML parsing weirdness
6.2021 - ko.virtualElements.normaliseVirtualElementDomStructure(nodeVerified);
6.2022 -
6.2023 - var shouldApplyBindings = (isElement && bindingContextMayDifferFromDomParentElement) // Case (1)
6.2024 - || ko.bindingProvider['instance']['nodeHasBindings'](nodeVerified); // Case (2)
6.2025 - if (shouldApplyBindings)
6.2026 - shouldBindDescendants = applyBindingsToNodeInternal(nodeVerified, null, viewModel, bindingContextMayDifferFromDomParentElement).shouldBindDescendants;
6.2027 -
6.2028 - if (shouldBindDescendants) {
6.2029 - // We're recursing automatically into (real or virtual) child nodes without changing binding contexts. So,
6.2030 - // * For children of a *real* element, the binding context is certainly the same as on their DOM .parentNode,
6.2031 - // hence bindingContextsMayDifferFromDomParentElement is false
6.2032 - // * For children of a *virtual* element, we can't be sure. Evaluating .parentNode on those children may
6.2033 - // skip over any number of intermediate virtual elements, any of which might define a custom binding context,
6.2034 - // hence bindingContextsMayDifferFromDomParentElement is true
6.2035 - applyBindingsToDescendantsInternal(viewModel, nodeVerified, /* bindingContextsMayDifferFromDomParentElement: */ !isElement);
6.2036 - }
6.2037 - }
6.2038 -
6.2039 - function applyBindingsToNodeInternal (node, bindings, viewModelOrBindingContext, bindingContextMayDifferFromDomParentElement) {
6.2040 - // Need to be sure that inits are only run once, and updates never run until all the inits have been run
6.2041 - var initPhase = 0; // 0 = before all inits, 1 = during inits, 2 = after all inits
6.2042 -
6.2043 - // Each time the dependentObservable is evaluated (after data changes),
6.2044 - // the binding attribute is reparsed so that it can pick out the correct
6.2045 - // model properties in the context of the changed data.
6.2046 - // DOM event callbacks need to be able to access this changed data,
6.2047 - // so we need a single parsedBindings variable (shared by all callbacks
6.2048 - // associated with this node's bindings) that all the closures can access.
6.2049 - var parsedBindings;
6.2050 - function makeValueAccessor(bindingKey) {
6.2051 - return function () { return parsedBindings[bindingKey] }
6.2052 - }
6.2053 - function parsedBindingsAccessor() {
6.2054 - return parsedBindings;
6.2055 - }
6.2056 -
6.2057 - var bindingHandlerThatControlsDescendantBindings;
6.2058 - ko.dependentObservable(
6.2059 - function () {
6.2060 - // Ensure we have a nonnull binding context to work with
6.2061 - var bindingContextInstance = viewModelOrBindingContext && (viewModelOrBindingContext instanceof ko.bindingContext)
6.2062 - ? viewModelOrBindingContext
6.2063 - : new ko.bindingContext(ko.utils.unwrapObservable(viewModelOrBindingContext));
6.2064 - var viewModel = bindingContextInstance['$data'];
6.2065 -
6.2066 - // Optimization: Don't store the binding context on this node if it's definitely the same as on node.parentNode, because
6.2067 - // we can easily recover it just by scanning up the node's ancestors in the DOM
6.2068 - // (note: here, parent node means "real DOM parent" not "virtual parent", as there's no O(1) way to find the virtual parent)
6.2069 - if (bindingContextMayDifferFromDomParentElement)
6.2070 - ko.storedBindingContextForNode(node, bindingContextInstance);
6.2071 -
6.2072 - // Use evaluatedBindings if given, otherwise fall back on asking the bindings provider to give us some bindings
6.2073 - var evaluatedBindings = (typeof bindings == "function") ? bindings(bindingContextInstance, node) : bindings;
6.2074 - parsedBindings = evaluatedBindings || ko.bindingProvider['instance']['getBindings'](node, bindingContextInstance);
6.2075 -
6.2076 - if (parsedBindings) {
6.2077 - // First run all the inits, so bindings can register for notification on changes
6.2078 - if (initPhase === 0) {
6.2079 - initPhase = 1;
6.2080 - for (var bindingKey in parsedBindings) {
6.2081 - var binding = ko.bindingHandlers[bindingKey];
6.2082 - if (binding && node.nodeType === 8)
6.2083 - validateThatBindingIsAllowedForVirtualElements(bindingKey);
6.2084 -
6.2085 - if (binding && typeof binding["init"] == "function") {
6.2086 - var handlerInitFn = binding["init"];
6.2087 - var initResult = handlerInitFn(node, makeValueAccessor(bindingKey), parsedBindingsAccessor, viewModel, bindingContextInstance);
6.2088 -
6.2089 - // If this binding handler claims to control descendant bindings, make a note of this
6.2090 - if (initResult && initResult['controlsDescendantBindings']) {
6.2091 - if (bindingHandlerThatControlsDescendantBindings !== undefined)
6.2092 - throw new Error("Multiple bindings (" + bindingHandlerThatControlsDescendantBindings + " and " + bindingKey + ") are trying to control descendant bindings of the same element. You cannot use these bindings together on the same element.");
6.2093 - bindingHandlerThatControlsDescendantBindings = bindingKey;
6.2094 - }
6.2095 - }
6.2096 - }
6.2097 - initPhase = 2;
6.2098 - }
6.2099 -
6.2100 - // ... then run all the updates, which might trigger changes even on the first evaluation
6.2101 - if (initPhase === 2) {
6.2102 - for (var bindingKey in parsedBindings) {
6.2103 - var binding = ko.bindingHandlers[bindingKey];
6.2104 - if (binding && typeof binding["update"] == "function") {
6.2105 - var handlerUpdateFn = binding["update"];
6.2106 - handlerUpdateFn(node, makeValueAccessor(bindingKey), parsedBindingsAccessor, viewModel, bindingContextInstance);
6.2107 - }
6.2108 - }
6.2109 - }
6.2110 - }
6.2111 - },
6.2112 - null,
6.2113 - { disposeWhenNodeIsRemoved : node }
6.2114 - );
6.2115 -
6.2116 - return {
6.2117 - shouldBindDescendants: bindingHandlerThatControlsDescendantBindings === undefined
6.2118 - };
6.2119 - };
6.2120 -
6.2121 - var storedBindingContextDomDataKey = "__ko_bindingContext__";
6.2122 - ko.storedBindingContextForNode = function (node, bindingContext) {
6.2123 - if (arguments.length == 2)
6.2124 - ko.utils.domData.set(node, storedBindingContextDomDataKey, bindingContext);
6.2125 - else
6.2126 - return ko.utils.domData.get(node, storedBindingContextDomDataKey);
6.2127 - }
6.2128 -
6.2129 - ko.applyBindingsToNode = function (node, bindings, viewModel) {
6.2130 - if (node.nodeType === 1) // If it's an element, workaround IE <= 8 HTML parsing weirdness
6.2131 - ko.virtualElements.normaliseVirtualElementDomStructure(node);
6.2132 - return applyBindingsToNodeInternal(node, bindings, viewModel, true);
6.2133 - };
6.2134 -
6.2135 - ko.applyBindingsToDescendants = function(viewModel, rootNode) {
6.2136 - if (rootNode.nodeType === 1 || rootNode.nodeType === 8)
6.2137 - applyBindingsToDescendantsInternal(viewModel, rootNode, true);
6.2138 - };
6.2139 -
6.2140 - ko.applyBindings = function (viewModel, rootNode) {
6.2141 - if (rootNode && (rootNode.nodeType !== 1) && (rootNode.nodeType !== 8))
6.2142 - throw new Error("ko.applyBindings: first parameter should be your view model; second parameter should be a DOM node");
6.2143 - rootNode = rootNode || window.document.body; // Make "rootNode" parameter optional
6.2144 -
6.2145 - applyBindingsToNodeAndDescendantsInternal(viewModel, rootNode, true);
6.2146 - };
6.2147 -
6.2148 - // Retrieving binding context from arbitrary nodes
6.2149 - ko.contextFor = function(node) {
6.2150 - // We can only do something meaningful for elements and comment nodes (in particular, not text nodes, as IE can't store domdata for them)
6.2151 - switch (node.nodeType) {
6.2152 - case 1:
6.2153 - case 8:
6.2154 - var context = ko.storedBindingContextForNode(node);
6.2155 - if (context) return context;
6.2156 - if (node.parentNode) return ko.contextFor(node.parentNode);
6.2157 - break;
6.2158 - }
6.2159 - return undefined;
6.2160 - };
6.2161 - ko.dataFor = function(node) {
6.2162 - var context = ko.contextFor(node);
6.2163 - return context ? context['$data'] : undefined;
6.2164 - };
6.2165 -
6.2166 - ko.exportSymbol('bindingHandlers', ko.bindingHandlers);
6.2167 - ko.exportSymbol('applyBindings', ko.applyBindings);
6.2168 - ko.exportSymbol('applyBindingsToDescendants', ko.applyBindingsToDescendants);
6.2169 - ko.exportSymbol('applyBindingsToNode', ko.applyBindingsToNode);
6.2170 - ko.exportSymbol('contextFor', ko.contextFor);
6.2171 - ko.exportSymbol('dataFor', ko.dataFor);
6.2172 -})();
6.2173 -var attrHtmlToJavascriptMap = { 'class': 'className', 'for': 'htmlFor' };
6.2174 -ko.bindingHandlers['attr'] = {
6.2175 - 'update': function(element, valueAccessor, allBindingsAccessor) {
6.2176 - var value = ko.utils.unwrapObservable(valueAccessor()) || {};
6.2177 - for (var attrName in value) {
6.2178 - if (typeof attrName == "string") {
6.2179 - var attrValue = ko.utils.unwrapObservable(value[attrName]);
6.2180 -
6.2181 - // To cover cases like "attr: { checked:someProp }", we want to remove the attribute entirely
6.2182 - // when someProp is a "no value"-like value (strictly null, false, or undefined)
6.2183 - // (because the absence of the "checked" attr is how to mark an element as not checked, etc.)
6.2184 - var toRemove = (attrValue === false) || (attrValue === null) || (attrValue === undefined);
6.2185 - if (toRemove)
6.2186 - element.removeAttribute(attrName);
6.2187 -
6.2188 - // In IE <= 7 and IE8 Quirks Mode, you have to use the Javascript property name instead of the
6.2189 - // HTML attribute name for certain attributes. IE8 Standards Mode supports the correct behavior,
6.2190 - // but instead of figuring out the mode, we'll just set the attribute through the Javascript
6.2191 - // property for IE <= 8.
6.2192 - if (ko.utils.ieVersion <= 8 && attrName in attrHtmlToJavascriptMap) {
6.2193 - attrName = attrHtmlToJavascriptMap[attrName];
6.2194 - if (toRemove)
6.2195 - element.removeAttribute(attrName);
6.2196 - else
6.2197 - element[attrName] = attrValue;
6.2198 - } else if (!toRemove) {
6.2199 - try {
6.2200 - element.setAttribute(attrName, attrValue.toString());
6.2201 - } catch (err) {
6.2202 - // ignore for now
6.2203 - if (console) {
6.2204 - console.log("Can't set attribute " + attrName + " to " + attrValue + " error: " + err);
6.2205 - }
6.2206 - }
6.2207 - }
6.2208 -
6.2209 - // Treat "name" specially - although you can think of it as an attribute, it also needs
6.2210 - // special handling on older versions of IE (https://github.com/SteveSanderson/knockout/pull/333)
6.2211 - // Deliberately being case-sensitive here because XHTML would regard "Name" as a different thing
6.2212 - // entirely, and there's no strong reason to allow for such casing in HTML.
6.2213 - if (attrName === "name") {
6.2214 - ko.utils.setElementName(element, toRemove ? "" : attrValue.toString());
6.2215 - }
6.2216 - }
6.2217 - }
6.2218 - }
6.2219 -};
6.2220 -ko.bindingHandlers['checked'] = {
6.2221 - 'init': function (element, valueAccessor, allBindingsAccessor) {
6.2222 - var updateHandler = function() {
6.2223 - var valueToWrite;
6.2224 - if (element.type == "checkbox") {
6.2225 - valueToWrite = element.checked;
6.2226 - } else if ((element.type == "radio") && (element.checked)) {
6.2227 - valueToWrite = element.value;
6.2228 - } else {
6.2229 - return; // "checked" binding only responds to checkboxes and selected radio buttons
6.2230 - }
6.2231 -
6.2232 - var modelValue = valueAccessor(), unwrappedValue = ko.utils.unwrapObservable(modelValue);
6.2233 - if ((element.type == "checkbox") && (unwrappedValue instanceof Array)) {
6.2234 - // For checkboxes bound to an array, we add/remove the checkbox value to that array
6.2235 - // This works for both observable and non-observable arrays
6.2236 - var existingEntryIndex = ko.utils.arrayIndexOf(unwrappedValue, element.value);
6.2237 - if (element.checked && (existingEntryIndex < 0))
6.2238 - modelValue.push(element.value);
6.2239 - else if ((!element.checked) && (existingEntryIndex >= 0))
6.2240 - modelValue.splice(existingEntryIndex, 1);
6.2241 - } else {
6.2242 - ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'checked', valueToWrite, true);
6.2243 - }
6.2244 - };
6.2245 - ko.utils.registerEventHandler(element, "click", updateHandler);
6.2246 -
6.2247 - // IE 6 won't allow radio buttons to be selected unless they have a name
6.2248 - if ((element.type == "radio") && !element.name)
6.2249 - ko.bindingHandlers['uniqueName']['init'](element, function() { return true });
6.2250 - },
6.2251 - 'update': function (element, valueAccessor) {
6.2252 - var value = ko.utils.unwrapObservable(valueAccessor());
6.2253 -
6.2254 - if (element.type == "checkbox") {
6.2255 - if (value instanceof Array) {
6.2256 - // When bound to an array, the checkbox being checked represents its value being present in that array
6.2257 - element.checked = ko.utils.arrayIndexOf(value, element.value) >= 0;
6.2258 - } else {
6.2259 - // When bound to anything other value (not an array), the checkbox being checked represents the value being trueish
6.2260 - element.checked = value;
6.2261 - }
6.2262 - } else if (element.type == "radio") {
6.2263 - element.checked = (element.value == value);
6.2264 - }
6.2265 - }
6.2266 -};
6.2267 -var classesWrittenByBindingKey = '__ko__cssValue';
6.2268 -ko.bindingHandlers['css'] = {
6.2269 - 'update': function (element, valueAccessor) {
6.2270 - var value = ko.utils.unwrapObservable(valueAccessor());
6.2271 - if (typeof value == "object") {
6.2272 - for (var className in value) {
6.2273 - var shouldHaveClass = ko.utils.unwrapObservable(value[className]);
6.2274 - ko.utils.toggleDomNodeCssClass(element, className, shouldHaveClass);
6.2275 - }
6.2276 - } else {
6.2277 - value = String(value || ''); // Make sure we don't try to store or set a non-string value
6.2278 - ko.utils.toggleDomNodeCssClass(element, element[classesWrittenByBindingKey], false);
6.2279 - element[classesWrittenByBindingKey] = value;
6.2280 - ko.utils.toggleDomNodeCssClass(element, value, true);
6.2281 - }
6.2282 - }
6.2283 -};
6.2284 -ko.bindingHandlers['enable'] = {
6.2285 - 'update': function (element, valueAccessor) {
6.2286 - var value = ko.utils.unwrapObservable(valueAccessor());
6.2287 - if (value && element.disabled)
6.2288 - element.removeAttribute("disabled");
6.2289 - else if ((!value) && (!element.disabled))
6.2290 - element.disabled = true;
6.2291 - }
6.2292 -};
6.2293 -
6.2294 -ko.bindingHandlers['disable'] = {
6.2295 - 'update': function (element, valueAccessor) {
6.2296 - ko.bindingHandlers['enable']['update'](element, function() { return !ko.utils.unwrapObservable(valueAccessor()) });
6.2297 - }
6.2298 -};
6.2299 -// For certain common events (currently just 'click'), allow a simplified data-binding syntax
6.2300 -// e.g. click:handler instead of the usual full-length event:{click:handler}
6.2301 -function makeEventHandlerShortcut(eventName) {
6.2302 - ko.bindingHandlers[eventName] = {
6.2303 - 'init': function(element, valueAccessor, allBindingsAccessor, viewModel) {
6.2304 - var newValueAccessor = function () {
6.2305 - var result = {};
6.2306 - result[eventName] = valueAccessor();
6.2307 - return result;
6.2308 - };
6.2309 - return ko.bindingHandlers['event']['init'].call(this, element, newValueAccessor, allBindingsAccessor, viewModel);
6.2310 - }
6.2311 - }
6.2312 -}
6.2313 -
6.2314 -ko.bindingHandlers['event'] = {
6.2315 - 'init' : function (element, valueAccessor, allBindingsAccessor, viewModel) {
6.2316 - var eventsToHandle = valueAccessor() || {};
6.2317 - for(var eventNameOutsideClosure in eventsToHandle) {
6.2318 - (function() {
6.2319 - var eventName = eventNameOutsideClosure; // Separate variable to be captured by event handler closure
6.2320 - if (typeof eventName == "string") {
6.2321 - ko.utils.registerEventHandler(element, eventName, function (event) {
6.2322 - var handlerReturnValue;
6.2323 - var handlerFunction = valueAccessor()[eventName];
6.2324 - if (!handlerFunction)
6.2325 - return;
6.2326 - var allBindings = allBindingsAccessor();
6.2327 -
6.2328 - try {
6.2329 - // Take all the event args, and prefix with the viewmodel
6.2330 - var argsForHandler = ko.utils.makeArray(arguments);
6.2331 - argsForHandler.unshift(viewModel);
6.2332 - handlerReturnValue = handlerFunction.apply(viewModel, argsForHandler);
6.2333 - } finally {
6.2334 - if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
6.2335 - if (event.preventDefault)
6.2336 - event.preventDefault();
6.2337 - else
6.2338 - event.returnValue = false;
6.2339 - }
6.2340 - }
6.2341 -
6.2342 - var bubble = allBindings[eventName + 'Bubble'] !== false;
6.2343 - if (!bubble) {
6.2344 - event.cancelBubble = true;
6.2345 - if (event.stopPropagation)
6.2346 - event.stopPropagation();
6.2347 - }
6.2348 - });
6.2349 - }
6.2350 - })();
6.2351 - }
6.2352 - }
6.2353 -};
6.2354 -// "foreach: someExpression" is equivalent to "template: { foreach: someExpression }"
6.2355 -// "foreach: { data: someExpression, afterAdd: myfn }" is equivalent to "template: { foreach: someExpression, afterAdd: myfn }"
6.2356 -ko.bindingHandlers['foreach'] = {
6.2357 - makeTemplateValueAccessor: function(valueAccessor) {
6.2358 - return function() {
6.2359 - var modelValue = valueAccessor(),
6.2360 - unwrappedValue = ko.utils.peekObservable(modelValue); // Unwrap without setting a dependency here
6.2361 -
6.2362 - // If unwrappedValue is the array, pass in the wrapped value on its own
6.2363 - // The value will be unwrapped and tracked within the template binding
6.2364 - // (See https://github.com/SteveSanderson/knockout/issues/523)
6.2365 - if ((!unwrappedValue) || typeof unwrappedValue.length == "number")
6.2366 - return { 'foreach': modelValue, 'templateEngine': ko.nativeTemplateEngine.instance };
6.2367 -
6.2368 - // If unwrappedValue.data is the array, preserve all relevant options and unwrap again value so we get updates
6.2369 - ko.utils.unwrapObservable(modelValue);
6.2370 - return {
6.2371 - 'foreach': unwrappedValue['data'],
6.2372 - 'as': unwrappedValue['as'],
6.2373 - 'includeDestroyed': unwrappedValue['includeDestroyed'],
6.2374 - 'afterAdd': unwrappedValue['afterAdd'],
6.2375 - 'beforeRemove': unwrappedValue['beforeRemove'],
6.2376 - 'afterRender': unwrappedValue['afterRender'],
6.2377 - 'beforeMove': unwrappedValue['beforeMove'],
6.2378 - 'afterMove': unwrappedValue['afterMove'],
6.2379 - 'templateEngine': ko.nativeTemplateEngine.instance
6.2380 - };
6.2381 - };
6.2382 - },
6.2383 - 'init': function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
6.2384 - return ko.bindingHandlers['template']['init'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor));
6.2385 - },
6.2386 - 'update': function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
6.2387 - return ko.bindingHandlers['template']['update'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor), allBindingsAccessor, viewModel, bindingContext);
6.2388 - }
6.2389 -};
6.2390 -ko.expressionRewriting.bindingRewriteValidators['foreach'] = false; // Can't rewrite control flow bindings
6.2391 -ko.virtualElements.allowedBindings['foreach'] = true;
6.2392 -var hasfocusUpdatingProperty = '__ko_hasfocusUpdating';
6.2393 -ko.bindingHandlers['hasfocus'] = {
6.2394 - 'init': function(element, valueAccessor, allBindingsAccessor) {
6.2395 - var handleElementFocusChange = function(isFocused) {
6.2396 - // Where possible, ignore which event was raised and determine focus state using activeElement,
6.2397 - // as this avoids phantom focus/blur events raised when changing tabs in modern browsers.
6.2398 - // However, not all KO-targeted browsers (Firefox 2) support activeElement. For those browsers,
6.2399 - // prevent a loss of focus when changing tabs/windows by setting a flag that prevents hasfocus
6.2400 - // from calling 'blur()' on the element when it loses focus.
6.2401 - // Discussion at https://github.com/SteveSanderson/knockout/pull/352
6.2402 - element[hasfocusUpdatingProperty] = true;
6.2403 - var ownerDoc = element.ownerDocument;
6.2404 - if ("activeElement" in ownerDoc) {
6.2405 - isFocused = (ownerDoc.activeElement === element);
6.2406 - }
6.2407 - var modelValue = valueAccessor();
6.2408 - ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'hasfocus', isFocused, true);
6.2409 - element[hasfocusUpdatingProperty] = false;
6.2410 - };
6.2411 - var handleElementFocusIn = handleElementFocusChange.bind(null, true);
6.2412 - var handleElementFocusOut = handleElementFocusChange.bind(null, false);
6.2413 -
6.2414 - ko.utils.registerEventHandler(element, "focus", handleElementFocusIn);
6.2415 - ko.utils.registerEventHandler(element, "focusin", handleElementFocusIn); // For IE
6.2416 - ko.utils.registerEventHandler(element, "blur", handleElementFocusOut);
6.2417 - ko.utils.registerEventHandler(element, "focusout", handleElementFocusOut); // For IE
6.2418 - },
6.2419 - 'update': function(element, valueAccessor) {
6.2420 - var value = ko.utils.unwrapObservable(valueAccessor());
6.2421 - if (!element[hasfocusUpdatingProperty]) {
6.2422 - value ? element.focus() : element.blur();
6.2423 - ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, value ? "focusin" : "focusout"]); // For IE, which doesn't reliably fire "focus" or "blur" events synchronously
6.2424 - }
6.2425 - }
6.2426 -};
6.2427 -ko.bindingHandlers['html'] = {
6.2428 - 'init': function() {
6.2429 - // Prevent binding on the dynamically-injected HTML (as developers are unlikely to expect that, and it has security implications)
6.2430 - return { 'controlsDescendantBindings': true };
6.2431 - },
6.2432 - 'update': function (element, valueAccessor) {
6.2433 - // setHtml will unwrap the value if needed
6.2434 - ko.utils.setHtml(element, valueAccessor());
6.2435 - }
6.2436 -};
6.2437 -var withIfDomDataKey = '__ko_withIfBindingData';
6.2438 -// Makes a binding like with or if
6.2439 -function makeWithIfBinding(bindingKey, isWith, isNot, makeContextCallback) {
6.2440 - ko.bindingHandlers[bindingKey] = {
6.2441 - 'init': function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
6.2442 - ko.utils.domData.set(element, withIfDomDataKey, {});
6.2443 - return { 'controlsDescendantBindings': true };
6.2444 - },
6.2445 - 'update': function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
6.2446 - var withIfData = ko.utils.domData.get(element, withIfDomDataKey),
6.2447 - dataValue = ko.utils.unwrapObservable(valueAccessor()),
6.2448 - shouldDisplay = !isNot !== !dataValue, // equivalent to isNot ? !dataValue : !!dataValue
6.2449 - isFirstRender = !withIfData.savedNodes,
6.2450 - needsRefresh = isFirstRender || isWith || (shouldDisplay !== withIfData.didDisplayOnLastUpdate);
6.2451 -
6.2452 - if (needsRefresh) {
6.2453 - if (isFirstRender) {
6.2454 - withIfData.savedNodes = ko.utils.cloneNodes(ko.virtualElements.childNodes(element), true /* shouldCleanNodes */);
6.2455 - }
6.2456 -
6.2457 - if (shouldDisplay) {
6.2458 - if (!isFirstRender) {
6.2459 - ko.virtualElements.setDomNodeChildren(element, ko.utils.cloneNodes(withIfData.savedNodes));
6.2460 - }
6.2461 - ko.applyBindingsToDescendants(makeContextCallback ? makeContextCallback(bindingContext, dataValue) : bindingContext, element);
6.2462 - } else {
6.2463 - ko.virtualElements.emptyNode(element);
6.2464 - }
6.2465 -
6.2466 - withIfData.didDisplayOnLastUpdate = shouldDisplay;
6.2467 - }
6.2468 - }
6.2469 - };
6.2470 - ko.expressionRewriting.bindingRewriteValidators[bindingKey] = false; // Can't rewrite control flow bindings
6.2471 - ko.virtualElements.allowedBindings[bindingKey] = true;
6.2472 -}
6.2473 -
6.2474 -// Construct the actual binding handlers
6.2475 -makeWithIfBinding('if');
6.2476 -makeWithIfBinding('ifnot', false /* isWith */, true /* isNot */);
6.2477 -makeWithIfBinding('with', true /* isWith */, false /* isNot */,
6.2478 - function(bindingContext, dataValue) {
6.2479 - return bindingContext['createChildContext'](dataValue);
6.2480 - }
6.2481 -);
6.2482 -function ensureDropdownSelectionIsConsistentWithModelValue(element, modelValue, preferModelValue) {
6.2483 - if (preferModelValue) {
6.2484 - if (modelValue !== ko.selectExtensions.readValue(element))
6.2485 - ko.selectExtensions.writeValue(element, modelValue);
6.2486 - }
6.2487 -
6.2488 - // No matter which direction we're syncing in, we want the end result to be equality between dropdown value and model value.
6.2489 - // If they aren't equal, either we prefer the dropdown value, or the model value couldn't be represented, so either way,
6.2490 - // change the model value to match the dropdown.
6.2491 - if (modelValue !== ko.selectExtensions.readValue(element))
6.2492 - ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
6.2493 -};
6.2494 -
6.2495 -ko.bindingHandlers['options'] = {
6.2496 - 'update': function (element, valueAccessor, allBindingsAccessor) {
6.2497 - if (ko.utils.tagNameLower(element) !== "select")
6.2498 - throw new Error("options binding applies only to SELECT elements");
6.2499 -
6.2500 - var selectWasPreviouslyEmpty = element.length == 0;
6.2501 - var previousSelectedValues = ko.utils.arrayMap(ko.utils.arrayFilter(element.childNodes, function (node) {
6.2502 - return node.tagName && (ko.utils.tagNameLower(node) === "option") && node.selected;
6.2503 - }), function (node) {
6.2504 - return ko.selectExtensions.readValue(node) || node.innerText || node.textContent;
6.2505 - });
6.2506 - var previousScrollTop = element.scrollTop;
6.2507 -
6.2508 - var value = ko.utils.unwrapObservable(valueAccessor());
6.2509 - var selectedValue = element.value;
6.2510 -
6.2511 - // Remove all existing <option>s.
6.2512 - // Need to use .remove() rather than .removeChild() for <option>s otherwise IE behaves oddly (https://github.com/SteveSanderson/knockout/issues/134)
6.2513 - while (element.length > 0) {
6.2514 - ko.cleanNode(element.options[0]);
6.2515 - element.remove(0);
6.2516 - }
6.2517 -
6.2518 - if (value) {
6.2519 - var allBindings = allBindingsAccessor(),
6.2520 - includeDestroyed = allBindings['optionsIncludeDestroyed'];
6.2521 -
6.2522 - if (typeof value.length != "number")
6.2523 - value = [value];
6.2524 - if (allBindings['optionsCaption']) {
6.2525 - var option = document.createElement("option");
6.2526 - ko.utils.setHtml(option, allBindings['optionsCaption']);
6.2527 - ko.selectExtensions.writeValue(option, undefined);
6.2528 - element.appendChild(option);
6.2529 - }
6.2530 -
6.2531 - for (var i = 0, j = value.length; i < j; i++) {
6.2532 - // Skip destroyed items
6.2533 - var arrayEntry = value[i];
6.2534 - if (arrayEntry && arrayEntry['_destroy'] && !includeDestroyed)
6.2535 - continue;
6.2536 -
6.2537 - var option = document.createElement("option");
6.2538 -
6.2539 - function applyToObject(object, predicate, defaultValue) {
6.2540 - var predicateType = typeof predicate;
6.2541 - if (predicateType == "function") // Given a function; run it against the data value
6.2542 - return predicate(object);
6.2543 - else if (predicateType == "string") // Given a string; treat it as a property name on the data value
6.2544 - return object[predicate];
6.2545 - else // Given no optionsText arg; use the data value itself
6.2546 - return defaultValue;
6.2547 - }
6.2548 -
6.2549 - // Apply a value to the option element
6.2550 - var optionValue = applyToObject(arrayEntry, allBindings['optionsValue'], arrayEntry);
6.2551 - ko.selectExtensions.writeValue(option, ko.utils.unwrapObservable(optionValue));
6.2552 -
6.2553 - // Apply some text to the option element
6.2554 - var optionText = applyToObject(arrayEntry, allBindings['optionsText'], optionValue);
6.2555 - ko.utils.setTextContent(option, optionText);
6.2556 -
6.2557 - element.appendChild(option);
6.2558 - }
6.2559 -
6.2560 - // IE6 doesn't like us to assign selection to OPTION nodes before they're added to the document.
6.2561 - // That's why we first added them without selection. Now it's time to set the selection.
6.2562 - var newOptions = element.getElementsByTagName("option");
6.2563 - var countSelectionsRetained = 0;
6.2564 - for (var i = 0, j = newOptions.length; i < j; i++) {
6.2565 - if (ko.utils.arrayIndexOf(previousSelectedValues, ko.selectExtensions.readValue(newOptions[i])) >= 0) {
6.2566 - ko.utils.setOptionNodeSelectionState(newOptions[i], true);
6.2567 - countSelectionsRetained++;
6.2568 - }
6.2569 - }
6.2570 -
6.2571 - element.scrollTop = previousScrollTop;
6.2572 -
6.2573 - if (selectWasPreviouslyEmpty && ('value' in allBindings)) {
6.2574 - // Ensure consistency between model value and selected option.
6.2575 - // If the dropdown is being populated for the first time here (or was otherwise previously empty),
6.2576 - // the dropdown selection state is meaningless, so we preserve the model value.
6.2577 - ensureDropdownSelectionIsConsistentWithModelValue(element, ko.utils.peekObservable(allBindings['value']), /* preferModelValue */ true);
6.2578 - }
6.2579 -
6.2580 - // Workaround for IE9 bug
6.2581 - ko.utils.ensureSelectElementIsRenderedCorrectly(element);
6.2582 - }
6.2583 - }
6.2584 -};
6.2585 -ko.bindingHandlers['options'].optionValueDomDataKey = '__ko.optionValueDomData__';
6.2586 -ko.bindingHandlers['selectedOptions'] = {
6.2587 - 'init': function (element, valueAccessor, allBindingsAccessor) {
6.2588 - ko.utils.registerEventHandler(element, "change", function () {
6.2589 - var value = valueAccessor(), valueToWrite = [];
6.2590 - ko.utils.arrayForEach(element.getElementsByTagName("option"), function(node) {
6.2591 - if (node.selected)
6.2592 - valueToWrite.push(ko.selectExtensions.readValue(node));
6.2593 - });
6.2594 - ko.expressionRewriting.writeValueToProperty(value, allBindingsAccessor, 'value', valueToWrite);
6.2595 - });
6.2596 - },
6.2597 - 'update': function (element, valueAccessor) {
6.2598 - if (ko.utils.tagNameLower(element) != "select")
6.2599 - throw new Error("values binding applies only to SELECT elements");
6.2600 -
6.2601 - var newValue = ko.utils.unwrapObservable(valueAccessor());
6.2602 - if (newValue && typeof newValue.length == "number") {
6.2603 - ko.utils.arrayForEach(element.getElementsByTagName("option"), function(node) {
6.2604 - var isSelected = ko.utils.arrayIndexOf(newValue, ko.selectExtensions.readValue(node)) >= 0;
6.2605 - ko.utils.setOptionNodeSelectionState(node, isSelected);
6.2606 - });
6.2607 - }
6.2608 - }
6.2609 -};
6.2610 -ko.bindingHandlers['style'] = {
6.2611 - 'update': function (element, valueAccessor) {
6.2612 - var value = ko.utils.unwrapObservable(valueAccessor() || {});
6.2613 - for (var styleName in value) {
6.2614 - if (typeof styleName == "string") {
6.2615 - var styleValue = ko.utils.unwrapObservable(value[styleName]);
6.2616 - element.style[styleName] = styleValue || ""; // Empty string removes the value, whereas null/undefined have no effect
6.2617 - }
6.2618 - }
6.2619 - }
6.2620 -};
6.2621 -ko.bindingHandlers['submit'] = {
6.2622 - 'init': function (element, valueAccessor, allBindingsAccessor, viewModel) {
6.2623 - if (typeof valueAccessor() != "function")
6.2624 - throw new Error("The value for a submit binding must be a function");
6.2625 - ko.utils.registerEventHandler(element, "submit", function (event) {
6.2626 - var handlerReturnValue;
6.2627 - var value = valueAccessor();
6.2628 - try { handlerReturnValue = value.call(viewModel, element); }
6.2629 - finally {
6.2630 - if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
6.2631 - if (event.preventDefault)
6.2632 - event.preventDefault();
6.2633 - else
6.2634 - event.returnValue = false;
6.2635 - }
6.2636 - }
6.2637 - });
6.2638 - }
6.2639 -};
6.2640 -ko.bindingHandlers['text'] = {
6.2641 - 'update': function (element, valueAccessor) {
6.2642 - ko.utils.setTextContent(element, valueAccessor());
6.2643 - }
6.2644 -};
6.2645 -ko.virtualElements.allowedBindings['text'] = true;
6.2646 -ko.bindingHandlers['uniqueName'] = {
6.2647 - 'init': function (element, valueAccessor) {
6.2648 - if (valueAccessor()) {
6.2649 - var name = "ko_unique_" + (++ko.bindingHandlers['uniqueName'].currentIndex);
6.2650 - ko.utils.setElementName(element, name);
6.2651 - }
6.2652 - }
6.2653 -};
6.2654 -ko.bindingHandlers['uniqueName'].currentIndex = 0;
6.2655 -ko.bindingHandlers['value'] = {
6.2656 - 'init': function (element, valueAccessor, allBindingsAccessor) {
6.2657 - // Always catch "change" event; possibly other events too if asked
6.2658 - var eventsToCatch = ["change"];
6.2659 - var requestedEventsToCatch = allBindingsAccessor()["valueUpdate"];
6.2660 - var propertyChangedFired = false;
6.2661 - if (requestedEventsToCatch) {
6.2662 - if (typeof requestedEventsToCatch == "string") // Allow both individual event names, and arrays of event names
6.2663 - requestedEventsToCatch = [requestedEventsToCatch];
6.2664 - ko.utils.arrayPushAll(eventsToCatch, requestedEventsToCatch);
6.2665 - eventsToCatch = ko.utils.arrayGetDistinctValues(eventsToCatch);
6.2666 - }
6.2667 -
6.2668 - var valueUpdateHandler = function() {
6.2669 - propertyChangedFired = false;
6.2670 - var modelValue = valueAccessor();
6.2671 - var elementValue = ko.selectExtensions.readValue(element);
6.2672 - ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'value', elementValue);
6.2673 - }
6.2674 -
6.2675 - // Workaround for https://github.com/SteveSanderson/knockout/issues/122
6.2676 - // IE doesn't fire "change" events on textboxes if the user selects a value from its autocomplete list
6.2677 - var ieAutoCompleteHackNeeded = ko.utils.ieVersion && element.tagName.toLowerCase() == "input" && element.type == "text"
6.2678 - && element.autocomplete != "off" && (!element.form || element.form.autocomplete != "off");
6.2679 - if (ieAutoCompleteHackNeeded && ko.utils.arrayIndexOf(eventsToCatch, "propertychange") == -1) {
6.2680 - ko.utils.registerEventHandler(element, "propertychange", function () { propertyChangedFired = true });
6.2681 - ko.utils.registerEventHandler(element, "blur", function() {
6.2682 - if (propertyChangedFired) {
6.2683 - valueUpdateHandler();
6.2684 - }
6.2685 - });
6.2686 - }
6.2687 -
6.2688 - ko.utils.arrayForEach(eventsToCatch, function(eventName) {
6.2689 - // The syntax "after<eventname>" means "run the handler asynchronously after the event"
6.2690 - // This is useful, for example, to catch "keydown" events after the browser has updated the control
6.2691 - // (otherwise, ko.selectExtensions.readValue(this) will receive the control's value *before* the key event)
6.2692 - var handler = valueUpdateHandler;
6.2693 - if (ko.utils.stringStartsWith(eventName, "after")) {
6.2694 - handler = function() { setTimeout(valueUpdateHandler, 0) };
6.2695 - eventName = eventName.substring("after".length);
6.2696 - }
6.2697 - ko.utils.registerEventHandler(element, eventName, handler);
6.2698 - });
6.2699 - },
6.2700 - 'update': function (element, valueAccessor) {
6.2701 - var valueIsSelectOption = ko.utils.tagNameLower(element) === "select";
6.2702 - var newValue = ko.utils.unwrapObservable(valueAccessor());
6.2703 - var elementValue = ko.selectExtensions.readValue(element);
6.2704 - var valueHasChanged = (newValue != elementValue);
6.2705 -
6.2706 - // JavaScript's 0 == "" behavious is unfortunate here as it prevents writing 0 to an empty text box (loose equality suggests the values are the same).
6.2707 - // We don't want to do a strict equality comparison as that is more confusing for developers in certain cases, so we specifically special case 0 != "" here.
6.2708 - if ((newValue === 0) && (elementValue !== 0) && (elementValue !== "0"))
6.2709 - valueHasChanged = true;
6.2710 -
6.2711 - if (valueHasChanged) {
6.2712 - var applyValueAction = function () { ko.selectExtensions.writeValue(element, newValue); };
6.2713 - applyValueAction();
6.2714 -
6.2715 - // Workaround for IE6 bug: It won't reliably apply values to SELECT nodes during the same execution thread
6.2716 - // right after you've changed the set of OPTION nodes on it. So for that node type, we'll schedule a second thread
6.2717 - // to apply the value as well.
6.2718 - var alsoApplyAsynchronously = valueIsSelectOption;
6.2719 - if (alsoApplyAsynchronously)
6.2720 - setTimeout(applyValueAction, 0);
6.2721 - }
6.2722 -
6.2723 - // If you try to set a model value that can't be represented in an already-populated dropdown, reject that change,
6.2724 - // because you're not allowed to have a model value that disagrees with a visible UI selection.
6.2725 - if (valueIsSelectOption && (element.length > 0))
6.2726 - ensureDropdownSelectionIsConsistentWithModelValue(element, newValue, /* preferModelValue */ false);
6.2727 - }
6.2728 -};
6.2729 -ko.bindingHandlers['visible'] = {
6.2730 - 'update': function (element, valueAccessor) {
6.2731 - var value = ko.utils.unwrapObservable(valueAccessor());
6.2732 - var isCurrentlyVisible = !(element.style.display == "none");
6.2733 - if (value && !isCurrentlyVisible)
6.2734 - element.style.display = "";
6.2735 - else if ((!value) && isCurrentlyVisible)
6.2736 - element.style.display = "none";
6.2737 - }
6.2738 -};
6.2739 -// 'click' is just a shorthand for the usual full-length event:{click:handler}
6.2740 -makeEventHandlerShortcut('click');
6.2741 -// If you want to make a custom template engine,
6.2742 -//
6.2743 -// [1] Inherit from this class (like ko.nativeTemplateEngine does)
6.2744 -// [2] Override 'renderTemplateSource', supplying a function with this signature:
6.2745 -//
6.2746 -// function (templateSource, bindingContext, options) {
6.2747 -// // - templateSource.text() is the text of the template you should render
6.2748 -// // - bindingContext.$data is the data you should pass into the template
6.2749 -// // - you might also want to make bindingContext.$parent, bindingContext.$parents,
6.2750 -// // and bindingContext.$root available in the template too
6.2751 -// // - options gives you access to any other properties set on "data-bind: { template: options }"
6.2752 -// //
6.2753 -// // Return value: an array of DOM nodes
6.2754 -// }
6.2755 -//
6.2756 -// [3] Override 'createJavaScriptEvaluatorBlock', supplying a function with this signature:
6.2757 -//
6.2758 -// function (script) {
6.2759 -// // Return value: Whatever syntax means "Evaluate the JavaScript statement 'script' and output the result"
6.2760 -// // For example, the jquery.tmpl template engine converts 'someScript' to '${ someScript }'
6.2761 -// }
6.2762 -//
6.2763 -// This is only necessary if you want to allow data-bind attributes to reference arbitrary template variables.
6.2764 -// If you don't want to allow that, you can set the property 'allowTemplateRewriting' to false (like ko.nativeTemplateEngine does)
6.2765 -// and then you don't need to override 'createJavaScriptEvaluatorBlock'.
6.2766 -
6.2767 -ko.templateEngine = function () { };
6.2768 -
6.2769 -ko.templateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
6.2770 - throw new Error("Override renderTemplateSource");
6.2771 -};
6.2772 -
6.2773 -ko.templateEngine.prototype['createJavaScriptEvaluatorBlock'] = function (script) {
6.2774 - throw new Error("Override createJavaScriptEvaluatorBlock");
6.2775 -};
6.2776 -
6.2777 -ko.templateEngine.prototype['makeTemplateSource'] = function(template, templateDocument) {
6.2778 - // Named template
6.2779 - if (typeof template == "string") {
6.2780 - templateDocument = templateDocument || document;
6.2781 - var elem = templateDocument.getElementById(template);
6.2782 - if (!elem)
6.2783 - throw new Error("Cannot find template with ID " + template);
6.2784 - return new ko.templateSources.domElement(elem);
6.2785 - } else if ((template.nodeType == 1) || (template.nodeType == 8)) {
6.2786 - // Anonymous template
6.2787 - return new ko.templateSources.anonymousTemplate(template);
6.2788 - } else
6.2789 - throw new Error("Unknown template type: " + template);
6.2790 -};
6.2791 -
6.2792 -ko.templateEngine.prototype['renderTemplate'] = function (template, bindingContext, options, templateDocument) {
6.2793 - var templateSource = this['makeTemplateSource'](template, templateDocument);
6.2794 - return this['renderTemplateSource'](templateSource, bindingContext, options);
6.2795 -};
6.2796 -
6.2797 -ko.templateEngine.prototype['isTemplateRewritten'] = function (template, templateDocument) {
6.2798 - // Skip rewriting if requested
6.2799 - if (this['allowTemplateRewriting'] === false)
6.2800 - return true;
6.2801 - return this['makeTemplateSource'](template, templateDocument)['data']("isRewritten");
6.2802 -};
6.2803 -
6.2804 -ko.templateEngine.prototype['rewriteTemplate'] = function (template, rewriterCallback, templateDocument) {
6.2805 - var templateSource = this['makeTemplateSource'](template, templateDocument);
6.2806 - var rewritten = rewriterCallback(templateSource['text']());
6.2807 - templateSource['text'](rewritten);
6.2808 - templateSource['data']("isRewritten", true);
6.2809 -};
6.2810 -
6.2811 -ko.exportSymbol('templateEngine', ko.templateEngine);
6.2812 -
6.2813 -ko.templateRewriting = (function () {
6.2814 - var memoizeDataBindingAttributeSyntaxRegex = /(<[a-z]+\d*(\s+(?!data-bind=)[a-z0-9\-]+(=(\"[^\"]*\"|\'[^\']*\'))?)*\s+)data-bind=(["'])([\s\S]*?)\5/gi;
6.2815 - var memoizeVirtualContainerBindingSyntaxRegex = /<!--\s*ko\b\s*([\s\S]*?)\s*-->/g;
6.2816 -
6.2817 - function validateDataBindValuesForRewriting(keyValueArray) {
6.2818 - var allValidators = ko.expressionRewriting.bindingRewriteValidators;
6.2819 - for (var i = 0; i < keyValueArray.length; i++) {
6.2820 - var key = keyValueArray[i]['key'];
6.2821 - if (allValidators.hasOwnProperty(key)) {
6.2822 - var validator = allValidators[key];
6.2823 -
6.2824 - if (typeof validator === "function") {
6.2825 - var possibleErrorMessage = validator(keyValueArray[i]['value']);
6.2826 - if (possibleErrorMessage)
6.2827 - throw new Error(possibleErrorMessage);
6.2828 - } else if (!validator) {
6.2829 - throw new Error("This template engine does not support the '" + key + "' binding within its templates");
6.2830 - }
6.2831 - }
6.2832 - }
6.2833 - }
6.2834 -
6.2835 - function constructMemoizedTagReplacement(dataBindAttributeValue, tagToRetain, templateEngine) {
6.2836 - var dataBindKeyValueArray = ko.expressionRewriting.parseObjectLiteral(dataBindAttributeValue);
6.2837 - validateDataBindValuesForRewriting(dataBindKeyValueArray);
6.2838 - var rewrittenDataBindAttributeValue = ko.expressionRewriting.preProcessBindings(dataBindKeyValueArray);
6.2839 -
6.2840 - // For no obvious reason, Opera fails to evaluate rewrittenDataBindAttributeValue unless it's wrapped in an additional
6.2841 - // anonymous function, even though Opera's built-in debugger can evaluate it anyway. No other browser requires this
6.2842 - // extra indirection.
6.2843 - var applyBindingsToNextSiblingScript =
6.2844 - "ko.__tr_ambtns(function($context,$element){return(function(){return{ " + rewrittenDataBindAttributeValue + " } })()})";
6.2845 - return templateEngine['createJavaScriptEvaluatorBlock'](applyBindingsToNextSiblingScript) + tagToRetain;
6.2846 - }
6.2847 -
6.2848 - return {
6.2849 - ensureTemplateIsRewritten: function (template, templateEngine, templateDocument) {
6.2850 - if (!templateEngine['isTemplateRewritten'](template, templateDocument))
6.2851 - templateEngine['rewriteTemplate'](template, function (htmlString) {
6.2852 - return ko.templateRewriting.memoizeBindingAttributeSyntax(htmlString, templateEngine);
6.2853 - }, templateDocument);
6.2854 - },
6.2855 -
6.2856 - memoizeBindingAttributeSyntax: function (htmlString, templateEngine) {
6.2857 - return htmlString.replace(memoizeDataBindingAttributeSyntaxRegex, function () {
6.2858 - return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[6], /* tagToRetain: */ arguments[1], templateEngine);
6.2859 - }).replace(memoizeVirtualContainerBindingSyntaxRegex, function() {
6.2860 - return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[1], /* tagToRetain: */ "<!-- ko -->", templateEngine);
6.2861 - });
6.2862 - },
6.2863 -
6.2864 - applyMemoizedBindingsToNextSibling: function (bindings) {
6.2865 - return ko.memoization.memoize(function (domNode, bindingContext) {
6.2866 - if (domNode.nextSibling)
6.2867 - ko.applyBindingsToNode(domNode.nextSibling, bindings, bindingContext);
6.2868 - });
6.2869 - }
6.2870 - }
6.2871 -})();
6.2872 -
6.2873 -
6.2874 -// Exported only because it has to be referenced by string lookup from within rewritten template
6.2875 -ko.exportSymbol('__tr_ambtns', ko.templateRewriting.applyMemoizedBindingsToNextSibling);
6.2876 -(function() {
6.2877 - // A template source represents a read/write way of accessing a template. This is to eliminate the need for template loading/saving
6.2878 - // logic to be duplicated in every template engine (and means they can all work with anonymous templates, etc.)
6.2879 - //
6.2880 - // Two are provided by default:
6.2881 - // 1. ko.templateSources.domElement - reads/writes the text content of an arbitrary DOM element
6.2882 - // 2. ko.templateSources.anonymousElement - uses ko.utils.domData to read/write text *associated* with the DOM element, but
6.2883 - // without reading/writing the actual element text content, since it will be overwritten
6.2884 - // with the rendered template output.
6.2885 - // You can implement your own template source if you want to fetch/store templates somewhere other than in DOM elements.
6.2886 - // Template sources need to have the following functions:
6.2887 - // text() - returns the template text from your storage location
6.2888 - // text(value) - writes the supplied template text to your storage location
6.2889 - // data(key) - reads values stored using data(key, value) - see below
6.2890 - // data(key, value) - associates "value" with this template and the key "key". Is used to store information like "isRewritten".
6.2891 - //
6.2892 - // Optionally, template sources can also have the following functions:
6.2893 - // nodes() - returns a DOM element containing the nodes of this template, where available
6.2894 - // nodes(value) - writes the given DOM element to your storage location
6.2895 - // If a DOM element is available for a given template source, template engines are encouraged to use it in preference over text()
6.2896 - // for improved speed. However, all templateSources must supply text() even if they don't supply nodes().
6.2897 - //
6.2898 - // Once you've implemented a templateSource, make your template engine use it by subclassing whatever template engine you were
6.2899 - // using and overriding "makeTemplateSource" to return an instance of your custom template source.
6.2900 -
6.2901 - ko.templateSources = {};
6.2902 -
6.2903 - // ---- ko.templateSources.domElement -----
6.2904 -
6.2905 - ko.templateSources.domElement = function(element) {
6.2906 - this.domElement = element;
6.2907 - }
6.2908 -
6.2909 - ko.templateSources.domElement.prototype['text'] = function(/* valueToWrite */) {
6.2910 - var tagNameLower = ko.utils.tagNameLower(this.domElement),
6.2911 - elemContentsProperty = tagNameLower === "script" ? "text"
6.2912 - : tagNameLower === "textarea" ? "value"
6.2913 - : "innerHTML";
6.2914 -
6.2915 - if (arguments.length == 0) {
6.2916 - return this.domElement[elemContentsProperty];
6.2917 - } else {
6.2918 - var valueToWrite = arguments[0];
6.2919 - if (elemContentsProperty === "innerHTML")
6.2920 - ko.utils.setHtml(this.domElement, valueToWrite);
6.2921 - else
6.2922 - this.domElement[elemContentsProperty] = valueToWrite;
6.2923 - }
6.2924 - };
6.2925 -
6.2926 - ko.templateSources.domElement.prototype['data'] = function(key /*, valueToWrite */) {
6.2927 - if (arguments.length === 1) {
6.2928 - return ko.utils.domData.get(this.domElement, "templateSourceData_" + key);
6.2929 - } else {
6.2930 - ko.utils.domData.set(this.domElement, "templateSourceData_" + key, arguments[1]);
6.2931 - }
6.2932 - };
6.2933 -
6.2934 - // ---- ko.templateSources.anonymousTemplate -----
6.2935 - // Anonymous templates are normally saved/retrieved as DOM nodes through "nodes".
6.2936 - // For compatibility, you can also read "text"; it will be serialized from the nodes on demand.
6.2937 - // Writing to "text" is still supported, but then the template data will not be available as DOM nodes.
6.2938 -
6.2939 - var anonymousTemplatesDomDataKey = "__ko_anon_template__";
6.2940 - ko.templateSources.anonymousTemplate = function(element) {
6.2941 - this.domElement = element;
6.2942 - }
6.2943 - ko.templateSources.anonymousTemplate.prototype = new ko.templateSources.domElement();
6.2944 - ko.templateSources.anonymousTemplate.prototype['text'] = function(/* valueToWrite */) {
6.2945 - if (arguments.length == 0) {
6.2946 - var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
6.2947 - if (templateData.textData === undefined && templateData.containerData)
6.2948 - templateData.textData = templateData.containerData.innerHTML;
6.2949 - return templateData.textData;
6.2950 - } else {
6.2951 - var valueToWrite = arguments[0];
6.2952 - ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, {textData: valueToWrite});
6.2953 - }
6.2954 - };
6.2955 - ko.templateSources.domElement.prototype['nodes'] = function(/* valueToWrite */) {
6.2956 - if (arguments.length == 0) {
6.2957 - var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
6.2958 - return templateData.containerData;
6.2959 - } else {
6.2960 - var valueToWrite = arguments[0];
6.2961 - ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, {containerData: valueToWrite});
6.2962 - }
6.2963 - };
6.2964 -
6.2965 - ko.exportSymbol('templateSources', ko.templateSources);
6.2966 - ko.exportSymbol('templateSources.domElement', ko.templateSources.domElement);
6.2967 - ko.exportSymbol('templateSources.anonymousTemplate', ko.templateSources.anonymousTemplate);
6.2968 -})();
6.2969 -(function () {
6.2970 - var _templateEngine;
6.2971 - ko.setTemplateEngine = function (templateEngine) {
6.2972 - if ((templateEngine != undefined) && !(templateEngine instanceof ko.templateEngine))
6.2973 - throw new Error("templateEngine must inherit from ko.templateEngine");
6.2974 - _templateEngine = templateEngine;
6.2975 - }
6.2976 -
6.2977 - function invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, action) {
6.2978 - var node, nextInQueue = firstNode, firstOutOfRangeNode = ko.virtualElements.nextSibling(lastNode);
6.2979 - while (nextInQueue && ((node = nextInQueue) !== firstOutOfRangeNode)) {
6.2980 - nextInQueue = ko.virtualElements.nextSibling(node);
6.2981 - if (node.nodeType === 1 || node.nodeType === 8)
6.2982 - action(node);
6.2983 - }
6.2984 - }
6.2985 -
6.2986 - function activateBindingsOnContinuousNodeArray(continuousNodeArray, bindingContext) {
6.2987 - // To be used on any nodes that have been rendered by a template and have been inserted into some parent element
6.2988 - // Walks through continuousNodeArray (which *must* be continuous, i.e., an uninterrupted sequence of sibling nodes, because
6.2989 - // the algorithm for walking them relies on this), and for each top-level item in the virtual-element sense,
6.2990 - // (1) Does a regular "applyBindings" to associate bindingContext with this node and to activate any non-memoized bindings
6.2991 - // (2) Unmemoizes any memos in the DOM subtree (e.g., to activate bindings that had been memoized during template rewriting)
6.2992 -
6.2993 - if (continuousNodeArray.length) {
6.2994 - var firstNode = continuousNodeArray[0], lastNode = continuousNodeArray[continuousNodeArray.length - 1];
6.2995 -
6.2996 - // Need to applyBindings *before* unmemoziation, because unmemoization might introduce extra nodes (that we don't want to re-bind)
6.2997 - // whereas a regular applyBindings won't introduce new memoized nodes
6.2998 - invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, function(node) {
6.2999 - ko.applyBindings(bindingContext, node);
6.3000 - });
6.3001 - invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, function(node) {
6.3002 - ko.memoization.unmemoizeDomNodeAndDescendants(node, [bindingContext]);
6.3003 - });
6.3004 - }
6.3005 - }
6.3006 -
6.3007 - function getFirstNodeFromPossibleArray(nodeOrNodeArray) {
6.3008 - return nodeOrNodeArray.nodeType ? nodeOrNodeArray
6.3009 - : nodeOrNodeArray.length > 0 ? nodeOrNodeArray[0]
6.3010 - : null;
6.3011 - }
6.3012 -
6.3013 - function executeTemplate(targetNodeOrNodeArray, renderMode, template, bindingContext, options) {
6.3014 - options = options || {};
6.3015 - var firstTargetNode = targetNodeOrNodeArray && getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
6.3016 - var templateDocument = firstTargetNode && firstTargetNode.ownerDocument;
6.3017 - var templateEngineToUse = (options['templateEngine'] || _templateEngine);
6.3018 - ko.templateRewriting.ensureTemplateIsRewritten(template, templateEngineToUse, templateDocument);
6.3019 - var renderedNodesArray = templateEngineToUse['renderTemplate'](template, bindingContext, options, templateDocument);
6.3020 -
6.3021 - // Loosely check result is an array of DOM nodes
6.3022 - if ((typeof renderedNodesArray.length != "number") || (renderedNodesArray.length > 0 && typeof renderedNodesArray[0].nodeType != "number"))
6.3023 - throw new Error("Template engine must return an array of DOM nodes");
6.3024 -
6.3025 - var haveAddedNodesToParent = false;
6.3026 - switch (renderMode) {
6.3027 - case "replaceChildren":
6.3028 - ko.virtualElements.setDomNodeChildren(targetNodeOrNodeArray, renderedNodesArray);
6.3029 - haveAddedNodesToParent = true;
6.3030 - break;
6.3031 - case "replaceNode":
6.3032 - ko.utils.replaceDomNodes(targetNodeOrNodeArray, renderedNodesArray);
6.3033 - haveAddedNodesToParent = true;
6.3034 - break;
6.3035 - case "ignoreTargetNode": break;
6.3036 - default:
6.3037 - throw new Error("Unknown renderMode: " + renderMode);
6.3038 - }
6.3039 -
6.3040 - if (haveAddedNodesToParent) {
6.3041 - activateBindingsOnContinuousNodeArray(renderedNodesArray, bindingContext);
6.3042 - if (options['afterRender'])
6.3043 - ko.dependencyDetection.ignore(options['afterRender'], null, [renderedNodesArray, bindingContext['$data']]);
6.3044 - }
6.3045 -
6.3046 - return renderedNodesArray;
6.3047 - }
6.3048 -
6.3049 - ko.renderTemplate = function (template, dataOrBindingContext, options, targetNodeOrNodeArray, renderMode) {
6.3050 - options = options || {};
6.3051 - if ((options['templateEngine'] || _templateEngine) == undefined)
6.3052 - throw new Error("Set a template engine before calling renderTemplate");
6.3053 - renderMode = renderMode || "replaceChildren";
6.3054 -
6.3055 - if (targetNodeOrNodeArray) {
6.3056 - var firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
6.3057 -
6.3058 - var whenToDispose = function () { return (!firstTargetNode) || !ko.utils.domNodeIsAttachedToDocument(firstTargetNode); }; // Passive disposal (on next evaluation)
6.3059 - var activelyDisposeWhenNodeIsRemoved = (firstTargetNode && renderMode == "replaceNode") ? firstTargetNode.parentNode : firstTargetNode;
6.3060 -
6.3061 - return ko.dependentObservable( // So the DOM is automatically updated when any dependency changes
6.3062 - function () {
6.3063 - // Ensure we've got a proper binding context to work with
6.3064 - var bindingContext = (dataOrBindingContext && (dataOrBindingContext instanceof ko.bindingContext))
6.3065 - ? dataOrBindingContext
6.3066 - : new ko.bindingContext(ko.utils.unwrapObservable(dataOrBindingContext));
6.3067 -
6.3068 - // Support selecting template as a function of the data being rendered
6.3069 - var templateName = typeof(template) == 'function' ? template(bindingContext['$data'], bindingContext) : template;
6.3070 -
6.3071 - var renderedNodesArray = executeTemplate(targetNodeOrNodeArray, renderMode, templateName, bindingContext, options);
6.3072 - if (renderMode == "replaceNode") {
6.3073 - targetNodeOrNodeArray = renderedNodesArray;
6.3074 - firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
6.3075 - }
6.3076 - },
6.3077 - null,
6.3078 - { disposeWhen: whenToDispose, disposeWhenNodeIsRemoved: activelyDisposeWhenNodeIsRemoved }
6.3079 - );
6.3080 - } else {
6.3081 - // We don't yet have a DOM node to evaluate, so use a memo and render the template later when there is a DOM node
6.3082 - return ko.memoization.memoize(function (domNode) {
6.3083 - ko.renderTemplate(template, dataOrBindingContext, options, domNode, "replaceNode");
6.3084 - });
6.3085 - }
6.3086 - };
6.3087 -
6.3088 - ko.renderTemplateForEach = function (template, arrayOrObservableArray, options, targetNode, parentBindingContext) {
6.3089 - // Since setDomNodeChildrenFromArrayMapping always calls executeTemplateForArrayItem and then
6.3090 - // activateBindingsCallback for added items, we can store the binding context in the former to use in the latter.
6.3091 - var arrayItemContext;
6.3092 -
6.3093 - // This will be called by setDomNodeChildrenFromArrayMapping to get the nodes to add to targetNode
6.3094 - var executeTemplateForArrayItem = function (arrayValue, index) {
6.3095 - // Support selecting template as a function of the data being rendered
6.3096 - arrayItemContext = parentBindingContext['createChildContext'](ko.utils.unwrapObservable(arrayValue), options['as']);
6.3097 - arrayItemContext['$index'] = index;
6.3098 - var templateName = typeof(template) == 'function' ? template(arrayValue, arrayItemContext) : template;
6.3099 - return executeTemplate(null, "ignoreTargetNode", templateName, arrayItemContext, options);
6.3100 - }
6.3101 -
6.3102 - // This will be called whenever setDomNodeChildrenFromArrayMapping has added nodes to targetNode
6.3103 - var activateBindingsCallback = function(arrayValue, addedNodesArray, index) {
6.3104 - activateBindingsOnContinuousNodeArray(addedNodesArray, arrayItemContext);
6.3105 - if (options['afterRender'])
6.3106 - options['afterRender'](addedNodesArray, arrayValue);
6.3107 - };
6.3108 -
6.3109 - return ko.dependentObservable(function () {
6.3110 - var unwrappedArray = ko.utils.unwrapObservable(arrayOrObservableArray) || [];
6.3111 - if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
6.3112 - unwrappedArray = [unwrappedArray];
6.3113 -
6.3114 - // Filter out any entries marked as destroyed
6.3115 - var filteredArray = ko.utils.arrayFilter(unwrappedArray, function(item) {
6.3116 - return options['includeDestroyed'] || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
6.3117 - });
6.3118 -
6.3119 - // Call setDomNodeChildrenFromArrayMapping, ignoring any observables unwrapped within (most likely from a callback function).
6.3120 - // If the array items are observables, though, they will be unwrapped in executeTemplateForArrayItem and managed within setDomNodeChildrenFromArrayMapping.
6.3121 - ko.dependencyDetection.ignore(ko.utils.setDomNodeChildrenFromArrayMapping, null, [targetNode, filteredArray, executeTemplateForArrayItem, options, activateBindingsCallback]);
6.3122 -
6.3123 - }, null, { disposeWhenNodeIsRemoved: targetNode });
6.3124 - };
6.3125 -
6.3126 - var templateComputedDomDataKey = '__ko__templateComputedDomDataKey__';
6.3127 - function disposeOldComputedAndStoreNewOne(element, newComputed) {
6.3128 - var oldComputed = ko.utils.domData.get(element, templateComputedDomDataKey);
6.3129 - if (oldComputed && (typeof(oldComputed.dispose) == 'function'))
6.3130 - oldComputed.dispose();
6.3131 - ko.utils.domData.set(element, templateComputedDomDataKey, (newComputed && newComputed.isActive()) ? newComputed : undefined);
6.3132 - }
6.3133 -
6.3134 - ko.bindingHandlers['template'] = {
6.3135 - 'init': function(element, valueAccessor) {
6.3136 - // Support anonymous templates
6.3137 - var bindingValue = ko.utils.unwrapObservable(valueAccessor());
6.3138 - if ((typeof bindingValue != "string") && (!bindingValue['name']) && (element.nodeType == 1 || element.nodeType == 8)) {
6.3139 - // It's an anonymous template - store the element contents, then clear the element
6.3140 - var templateNodes = element.nodeType == 1 ? element.childNodes : ko.virtualElements.childNodes(element),
6.3141 - container = ko.utils.moveCleanedNodesToContainerElement(templateNodes); // This also removes the nodes from their current parent
6.3142 - new ko.templateSources.anonymousTemplate(element)['nodes'](container);
6.3143 - }
6.3144 - return { 'controlsDescendantBindings': true };
6.3145 - },
6.3146 - 'update': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
6.3147 - var templateName = ko.utils.unwrapObservable(valueAccessor()),
6.3148 - options = {},
6.3149 - shouldDisplay = true,
6.3150 - dataValue,
6.3151 - templateComputed = null;
6.3152 -
6.3153 - if (typeof templateName != "string") {
6.3154 - options = templateName;
6.3155 - templateName = options['name'];
6.3156 -
6.3157 - // Support "if"/"ifnot" conditions
6.3158 - if ('if' in options)
6.3159 - shouldDisplay = ko.utils.unwrapObservable(options['if']);
6.3160 - if (shouldDisplay && 'ifnot' in options)
6.3161 - shouldDisplay = !ko.utils.unwrapObservable(options['ifnot']);
6.3162 -
6.3163 - dataValue = ko.utils.unwrapObservable(options['data']);
6.3164 - }
6.3165 -
6.3166 - if ('foreach' in options) {
6.3167 - // Render once for each data point (treating data set as empty if shouldDisplay==false)
6.3168 - var dataArray = (shouldDisplay && options['foreach']) || [];
6.3169 - templateComputed = ko.renderTemplateForEach(templateName || element, dataArray, options, element, bindingContext);
6.3170 - } else if (!shouldDisplay) {
6.3171 - ko.virtualElements.emptyNode(element);
6.3172 - } else {
6.3173 - // Render once for this single data point (or use the viewModel if no data was provided)
6.3174 - var innerBindingContext = ('data' in options) ?
6.3175 - bindingContext['createChildContext'](dataValue, options['as']) : // Given an explitit 'data' value, we create a child binding context for it
6.3176 - bindingContext; // Given no explicit 'data' value, we retain the same binding context
6.3177 - templateComputed = ko.renderTemplate(templateName || element, innerBindingContext, options, element);
6.3178 - }
6.3179 -
6.3180 - // It only makes sense to have a single template computed per element (otherwise which one should have its output displayed?)
6.3181 - disposeOldComputedAndStoreNewOne(element, templateComputed);
6.3182 - }
6.3183 - };
6.3184 -
6.3185 - // Anonymous templates can't be rewritten. Give a nice error message if you try to do it.
6.3186 - ko.expressionRewriting.bindingRewriteValidators['template'] = function(bindingValue) {
6.3187 - var parsedBindingValue = ko.expressionRewriting.parseObjectLiteral(bindingValue);
6.3188 -
6.3189 - if ((parsedBindingValue.length == 1) && parsedBindingValue[0]['unknown'])
6.3190 - return null; // It looks like a string literal, not an object literal, so treat it as a named template (which is allowed for rewriting)
6.3191 -
6.3192 - if (ko.expressionRewriting.keyValueArrayContainsKey(parsedBindingValue, "name"))
6.3193 - return null; // Named templates can be rewritten, so return "no error"
6.3194 - return "This template engine does not support anonymous templates nested within its templates";
6.3195 - };
6.3196 -
6.3197 - ko.virtualElements.allowedBindings['template'] = true;
6.3198 -})();
6.3199 -
6.3200 -ko.exportSymbol('setTemplateEngine', ko.setTemplateEngine);
6.3201 -ko.exportSymbol('renderTemplate', ko.renderTemplate);
6.3202 -
6.3203 -ko.utils.compareArrays = (function () {
6.3204 - var statusNotInOld = 'added', statusNotInNew = 'deleted';
6.3205 -
6.3206 - // Simple calculation based on Levenshtein distance.
6.3207 - function compareArrays(oldArray, newArray, dontLimitMoves) {
6.3208 - oldArray = oldArray || [];
6.3209 - newArray = newArray || [];
6.3210 -
6.3211 - if (oldArray.length <= newArray.length)
6.3212 - return compareSmallArrayToBigArray(oldArray, newArray, statusNotInOld, statusNotInNew, dontLimitMoves);
6.3213 - else
6.3214 - return compareSmallArrayToBigArray(newArray, oldArray, statusNotInNew, statusNotInOld, dontLimitMoves);
6.3215 - }
6.3216 -
6.3217 - function compareSmallArrayToBigArray(smlArray, bigArray, statusNotInSml, statusNotInBig, dontLimitMoves) {
6.3218 - var myMin = Math.min,
6.3219 - myMax = Math.max,
6.3220 - editDistanceMatrix = [],
6.3221 - smlIndex, smlIndexMax = smlArray.length,
6.3222 - bigIndex, bigIndexMax = bigArray.length,
6.3223 - compareRange = (bigIndexMax - smlIndexMax) || 1,
6.3224 - maxDistance = smlIndexMax + bigIndexMax + 1,
6.3225 - thisRow, lastRow,
6.3226 - bigIndexMaxForRow, bigIndexMinForRow;
6.3227 -
6.3228 - for (smlIndex = 0; smlIndex <= smlIndexMax; smlIndex++) {
6.3229 - lastRow = thisRow;
6.3230 - editDistanceMatrix.push(thisRow = []);
6.3231 - bigIndexMaxForRow = myMin(bigIndexMax, smlIndex + compareRange);
6.3232 - bigIndexMinForRow = myMax(0, smlIndex - 1);
6.3233 - for (bigIndex = bigIndexMinForRow; bigIndex <= bigIndexMaxForRow; bigIndex++) {
6.3234 - if (!bigIndex)
6.3235 - thisRow[bigIndex] = smlIndex + 1;
6.3236 - else if (!smlIndex) // Top row - transform empty array into new array via additions
6.3237 - thisRow[bigIndex] = bigIndex + 1;
6.3238 - else if (smlArray[smlIndex - 1] === bigArray[bigIndex - 1])
6.3239 - thisRow[bigIndex] = lastRow[bigIndex - 1]; // copy value (no edit)
6.3240 - else {
6.3241 - var northDistance = lastRow[bigIndex] || maxDistance; // not in big (deletion)
6.3242 - var westDistance = thisRow[bigIndex - 1] || maxDistance; // not in small (addition)
6.3243 - thisRow[bigIndex] = myMin(northDistance, westDistance) + 1;
6.3244 - }
6.3245 - }
6.3246 - }
6.3247 -
6.3248 - var editScript = [], meMinusOne, notInSml = [], notInBig = [];
6.3249 - for (smlIndex = smlIndexMax, bigIndex = bigIndexMax; smlIndex || bigIndex;) {
6.3250 - meMinusOne = editDistanceMatrix[smlIndex][bigIndex] - 1;
6.3251 - if (bigIndex && meMinusOne === editDistanceMatrix[smlIndex][bigIndex-1]) {
6.3252 - notInSml.push(editScript[editScript.length] = { // added
6.3253 - 'status': statusNotInSml,
6.3254 - 'value': bigArray[--bigIndex],
6.3255 - 'index': bigIndex });
6.3256 - } else if (smlIndex && meMinusOne === editDistanceMatrix[smlIndex - 1][bigIndex]) {
6.3257 - notInBig.push(editScript[editScript.length] = { // deleted
6.3258 - 'status': statusNotInBig,
6.3259 - 'value': smlArray[--smlIndex],
6.3260 - 'index': smlIndex });
6.3261 - } else {
6.3262 - editScript.push({
6.3263 - 'status': "retained",
6.3264 - 'value': bigArray[--bigIndex] });
6.3265 - --smlIndex;
6.3266 - }
6.3267 - }
6.3268 -
6.3269 - if (notInSml.length && notInBig.length) {
6.3270 - // Set a limit on the number of consecutive non-matching comparisons; having it a multiple of
6.3271 - // smlIndexMax keeps the time complexity of this algorithm linear.
6.3272 - var limitFailedCompares = smlIndexMax * 10, failedCompares,
6.3273 - a, d, notInSmlItem, notInBigItem;
6.3274 - // Go through the items that have been added and deleted and try to find matches between them.
6.3275 - for (failedCompares = a = 0; (dontLimitMoves || failedCompares < limitFailedCompares) && (notInSmlItem = notInSml[a]); a++) {
6.3276 - for (d = 0; notInBigItem = notInBig[d]; d++) {
6.3277 - if (notInSmlItem['value'] === notInBigItem['value']) {
6.3278 - notInSmlItem['moved'] = notInBigItem['index'];
6.3279 - notInBigItem['moved'] = notInSmlItem['index'];
6.3280 - notInBig.splice(d,1); // This item is marked as moved; so remove it from notInBig list
6.3281 - failedCompares = d = 0; // Reset failed compares count because we're checking for consecutive failures
6.3282 - break;
6.3283 - }
6.3284 - }
6.3285 - failedCompares += d;
6.3286 - }
6.3287 - }
6.3288 - return editScript.reverse();
6.3289 - }
6.3290 -
6.3291 - return compareArrays;
6.3292 -})();
6.3293 -
6.3294 -ko.exportSymbol('utils.compareArrays', ko.utils.compareArrays);
6.3295 -
6.3296 -(function () {
6.3297 - // Objective:
6.3298 - // * Given an input array, a container DOM node, and a function from array elements to arrays of DOM nodes,
6.3299 - // map the array elements to arrays of DOM nodes, concatenate together all these arrays, and use them to populate the container DOM node
6.3300 - // * Next time we're given the same combination of things (with the array possibly having mutated), update the container DOM node
6.3301 - // so that its children is again the concatenation of the mappings of the array elements, but don't re-map any array elements that we
6.3302 - // previously mapped - retain those nodes, and just insert/delete other ones
6.3303 -
6.3304 - // "callbackAfterAddingNodes" will be invoked after any "mapping"-generated nodes are inserted into the container node
6.3305 - // You can use this, for example, to activate bindings on those nodes.
6.3306 -
6.3307 - function fixUpNodesToBeMovedOrRemoved(contiguousNodeArray) {
6.3308 - // Before moving, deleting, or replacing a set of nodes that were previously outputted by the "map" function, we have to reconcile
6.3309 - // them against what is in the DOM right now. It may be that some of the nodes have already been removed from the document,
6.3310 - // or that new nodes might have been inserted in the middle, for example by a binding. Also, there may previously have been
6.3311 - // leading comment nodes (created by rewritten string-based templates) that have since been removed during binding.
6.3312 - // So, this function translates the old "map" output array into its best guess of what set of current DOM nodes should be removed.
6.3313 - //
6.3314 - // Rules:
6.3315 - // [A] Any leading nodes that aren't in the document any more should be ignored
6.3316 - // These most likely correspond to memoization nodes that were already removed during binding
6.3317 - // See https://github.com/SteveSanderson/knockout/pull/440
6.3318 - // [B] We want to output a contiguous series of nodes that are still in the document. So, ignore any nodes that
6.3319 - // have already been removed, and include any nodes that have been inserted among the previous collection
6.3320 -
6.3321 - // Rule [A]
6.3322 - while (contiguousNodeArray.length && !ko.utils.domNodeIsAttachedToDocument(contiguousNodeArray[0]))
6.3323 - contiguousNodeArray.splice(0, 1);
6.3324 -
6.3325 - // Rule [B]
6.3326 - if (contiguousNodeArray.length > 1) {
6.3327 - // Build up the actual new contiguous node set
6.3328 - var current = contiguousNodeArray[0], last = contiguousNodeArray[contiguousNodeArray.length - 1], newContiguousSet = [current];
6.3329 - while (current !== last) {
6.3330 - current = current.nextSibling;
6.3331 - if (!current) // Won't happen, except if the developer has manually removed some DOM elements (then we're in an undefined scenario)
6.3332 - return;
6.3333 - newContiguousSet.push(current);
6.3334 - }
6.3335 -
6.3336 - // ... then mutate the input array to match this.
6.3337 - // (The following line replaces the contents of contiguousNodeArray with newContiguousSet)
6.3338 - Array.prototype.splice.apply(contiguousNodeArray, [0, contiguousNodeArray.length].concat(newContiguousSet));
6.3339 - }
6.3340 - return contiguousNodeArray;
6.3341 - }
6.3342 -
6.3343 - function mapNodeAndRefreshWhenChanged(containerNode, mapping, valueToMap, callbackAfterAddingNodes, index) {
6.3344 - // Map this array value inside a dependentObservable so we re-map when any dependency changes
6.3345 - var mappedNodes = [];
6.3346 - var dependentObservable = ko.dependentObservable(function() {
6.3347 - var newMappedNodes = mapping(valueToMap, index) || [];
6.3348 -
6.3349 - // On subsequent evaluations, just replace the previously-inserted DOM nodes
6.3350 - if (mappedNodes.length > 0) {
6.3351 - ko.utils.replaceDomNodes(fixUpNodesToBeMovedOrRemoved(mappedNodes), newMappedNodes);
6.3352 - if (callbackAfterAddingNodes)
6.3353 - ko.dependencyDetection.ignore(callbackAfterAddingNodes, null, [valueToMap, newMappedNodes, index]);
6.3354 - }
6.3355 -
6.3356 - // Replace the contents of the mappedNodes array, thereby updating the record
6.3357 - // of which nodes would be deleted if valueToMap was itself later removed
6.3358 - mappedNodes.splice(0, mappedNodes.length);
6.3359 - ko.utils.arrayPushAll(mappedNodes, newMappedNodes);
6.3360 - }, null, { disposeWhenNodeIsRemoved: containerNode, disposeWhen: function() { return (mappedNodes.length == 0) || !ko.utils.domNodeIsAttachedToDocument(mappedNodes[0]) } });
6.3361 - return { mappedNodes : mappedNodes, dependentObservable : (dependentObservable.isActive() ? dependentObservable : undefined) };
6.3362 - }
6.3363 -
6.3364 - var lastMappingResultDomDataKey = "setDomNodeChildrenFromArrayMapping_lastMappingResult";
6.3365 -
6.3366 - ko.utils.setDomNodeChildrenFromArrayMapping = function (domNode, array, mapping, options, callbackAfterAddingNodes) {
6.3367 - // Compare the provided array against the previous one
6.3368 - array = array || [];
6.3369 - options = options || {};
6.3370 - var isFirstExecution = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) === undefined;
6.3371 - var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) || [];
6.3372 - var lastArray = ko.utils.arrayMap(lastMappingResult, function (x) { return x.arrayEntry; });
6.3373 - var editScript = ko.utils.compareArrays(lastArray, array);
6.3374 -
6.3375 - // Build the new mapping result
6.3376 - var newMappingResult = [];
6.3377 - var lastMappingResultIndex = 0;
6.3378 - var newMappingResultIndex = 0;
6.3379 -
6.3380 - var nodesToDelete = [];
6.3381 - var itemsToProcess = [];
6.3382 - var itemsForBeforeRemoveCallbacks = [];
6.3383 - var itemsForMoveCallbacks = [];
6.3384 - var itemsForAfterAddCallbacks = [];
6.3385 - var mapData;
6.3386 -
6.3387 - function itemMovedOrRetained(editScriptIndex, oldPosition) {
6.3388 - mapData = lastMappingResult[oldPosition];
6.3389 - if (newMappingResultIndex !== oldPosition)
6.3390 - itemsForMoveCallbacks[editScriptIndex] = mapData;
6.3391 - // Since updating the index might change the nodes, do so before calling fixUpNodesToBeMovedOrRemoved
6.3392 - mapData.indexObservable(newMappingResultIndex++);
6.3393 - fixUpNodesToBeMovedOrRemoved(mapData.mappedNodes);
6.3394 - newMappingResult.push(mapData);
6.3395 - itemsToProcess.push(mapData);
6.3396 - }
6.3397 -
6.3398 - function callCallback(callback, items) {
6.3399 - if (callback) {
6.3400 - for (var i = 0, n = items.length; i < n; i++) {
6.3401 - if (items[i]) {
6.3402 - ko.utils.arrayForEach(items[i].mappedNodes, function(node) {
6.3403 - callback(node, i, items[i].arrayEntry);
6.3404 - });
6.3405 - }
6.3406 - }
6.3407 - }
6.3408 - }
6.3409 -
6.3410 - for (var i = 0, editScriptItem, movedIndex; editScriptItem = editScript[i]; i++) {
6.3411 - movedIndex = editScriptItem['moved'];
6.3412 - switch (editScriptItem['status']) {
6.3413 - case "deleted":
6.3414 - if (movedIndex === undefined) {
6.3415 - mapData = lastMappingResult[lastMappingResultIndex];
6.3416 -
6.3417 - // Stop tracking changes to the mapping for these nodes
6.3418 - if (mapData.dependentObservable)
6.3419 - mapData.dependentObservable.dispose();
6.3420 -
6.3421 - // Queue these nodes for later removal
6.3422 - nodesToDelete.push.apply(nodesToDelete, fixUpNodesToBeMovedOrRemoved(mapData.mappedNodes));
6.3423 - if (options['beforeRemove']) {
6.3424 - itemsForBeforeRemoveCallbacks[i] = mapData;
6.3425 - itemsToProcess.push(mapData);
6.3426 - }
6.3427 - }
6.3428 - lastMappingResultIndex++;
6.3429 - break;
6.3430 -
6.3431 - case "retained":
6.3432 - itemMovedOrRetained(i, lastMappingResultIndex++);
6.3433 - break;
6.3434 -
6.3435 - case "added":
6.3436 - if (movedIndex !== undefined) {
6.3437 - itemMovedOrRetained(i, movedIndex);
6.3438 - } else {
6.3439 - mapData = { arrayEntry: editScriptItem['value'], indexObservable: ko.observable(newMappingResultIndex++) };
6.3440 - newMappingResult.push(mapData);
6.3441 - itemsToProcess.push(mapData);
6.3442 - if (!isFirstExecution)
6.3443 - itemsForAfterAddCallbacks[i] = mapData;
6.3444 - }
6.3445 - break;
6.3446 - }
6.3447 - }
6.3448 -
6.3449 - // Call beforeMove first before any changes have been made to the DOM
6.3450 - callCallback(options['beforeMove'], itemsForMoveCallbacks);
6.3451 -
6.3452 - // Next remove nodes for deleted items (or just clean if there's a beforeRemove callback)
6.3453 - ko.utils.arrayForEach(nodesToDelete, options['beforeRemove'] ? ko.cleanNode : ko.removeNode);
6.3454 -
6.3455 - // Next add/reorder the remaining items (will include deleted items if there's a beforeRemove callback)
6.3456 - for (var i = 0, nextNode = ko.virtualElements.firstChild(domNode), lastNode, node; mapData = itemsToProcess[i]; i++) {
6.3457 - // Get nodes for newly added items
6.3458 - if (!mapData.mappedNodes)
6.3459 - ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
6.3460 -
6.3461 - // Put nodes in the right place if they aren't there already
6.3462 - for (var j = 0; node = mapData.mappedNodes[j]; nextNode = node.nextSibling, lastNode = node, j++) {
6.3463 - if (node !== nextNode)
6.3464 - ko.virtualElements.insertAfter(domNode, node, lastNode);
6.3465 - }
6.3466 -
6.3467 - // Run the callbacks for newly added nodes (for example, to apply bindings, etc.)
6.3468 - if (!mapData.initialized && callbackAfterAddingNodes) {
6.3469 - callbackAfterAddingNodes(mapData.arrayEntry, mapData.mappedNodes, mapData.indexObservable);
6.3470 - mapData.initialized = true;
6.3471 - }
6.3472 - }
6.3473 -
6.3474 - // If there's a beforeRemove callback, call it after reordering.
6.3475 - // Note that we assume that the beforeRemove callback will usually be used to remove the nodes using
6.3476 - // some sort of animation, which is why we first reorder the nodes that will be removed. If the
6.3477 - // callback instead removes the nodes right away, it would be more efficient to skip reordering them.
6.3478 - // Perhaps we'll make that change in the future if this scenario becomes more common.
6.3479 - callCallback(options['beforeRemove'], itemsForBeforeRemoveCallbacks);
6.3480 -
6.3481 - // Finally call afterMove and afterAdd callbacks
6.3482 - callCallback(options['afterMove'], itemsForMoveCallbacks);
6.3483 - callCallback(options['afterAdd'], itemsForAfterAddCallbacks);
6.3484 -
6.3485 - // Store a copy of the array items we just considered so we can difference it next time
6.3486 - ko.utils.domData.set(domNode, lastMappingResultDomDataKey, newMappingResult);
6.3487 - }
6.3488 -})();
6.3489 -
6.3490 -ko.exportSymbol('utils.setDomNodeChildrenFromArrayMapping', ko.utils.setDomNodeChildrenFromArrayMapping);
6.3491 -ko.nativeTemplateEngine = function () {
6.3492 - this['allowTemplateRewriting'] = false;
6.3493 -}
6.3494 -
6.3495 -ko.nativeTemplateEngine.prototype = new ko.templateEngine();
6.3496 -ko.nativeTemplateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
6.3497 - var useNodesIfAvailable = !(ko.utils.ieVersion < 9), // IE<9 cloneNode doesn't work properly
6.3498 - templateNodesFunc = useNodesIfAvailable ? templateSource['nodes'] : null,
6.3499 - templateNodes = templateNodesFunc ? templateSource['nodes']() : null;
6.3500 -
6.3501 - if (templateNodes) {
6.3502 - return ko.utils.makeArray(templateNodes.cloneNode(true).childNodes);
6.3503 - } else {
6.3504 - var templateText = templateSource['text']();
6.3505 - return ko.utils.parseHtmlFragment(templateText);
6.3506 - }
6.3507 -};
6.3508 -
6.3509 -ko.nativeTemplateEngine.instance = new ko.nativeTemplateEngine();
6.3510 -ko.setTemplateEngine(ko.nativeTemplateEngine.instance);
6.3511 -
6.3512 -ko.exportSymbol('nativeTemplateEngine', ko.nativeTemplateEngine);
6.3513 -(function() {
6.3514 - ko.jqueryTmplTemplateEngine = function () {
6.3515 - // Detect which version of jquery-tmpl you're using. Unfortunately jquery-tmpl
6.3516 - // doesn't expose a version number, so we have to infer it.
6.3517 - // Note that as of Knockout 1.3, we only support jQuery.tmpl 1.0.0pre and later,
6.3518 - // which KO internally refers to as version "2", so older versions are no longer detected.
6.3519 - var jQueryTmplVersion = this.jQueryTmplVersion = (function() {
6.3520 - if ((typeof(jQuery) == "undefined") || !(jQuery['tmpl']))
6.3521 - return 0;
6.3522 - // Since it exposes no official version number, we use our own numbering system. To be updated as jquery-tmpl evolves.
6.3523 - try {
6.3524 - if (jQuery['tmpl']['tag']['tmpl']['open'].toString().indexOf('__') >= 0) {
6.3525 - // Since 1.0.0pre, custom tags should append markup to an array called "__"
6.3526 - return 2; // Final version of jquery.tmpl
6.3527 - }
6.3528 - } catch(ex) { /* Apparently not the version we were looking for */ }
6.3529 -
6.3530 - return 1; // Any older version that we don't support
6.3531 - })();
6.3532 -
6.3533 - function ensureHasReferencedJQueryTemplates() {
6.3534 - if (jQueryTmplVersion < 2)
6.3535 - throw new Error("Your version of jQuery.tmpl is too old. Please upgrade to jQuery.tmpl 1.0.0pre or later.");
6.3536 - }
6.3537 -
6.3538 - function executeTemplate(compiledTemplate, data, jQueryTemplateOptions) {
6.3539 - return jQuery['tmpl'](compiledTemplate, data, jQueryTemplateOptions);
6.3540 - }
6.3541 -
6.3542 - this['renderTemplateSource'] = function(templateSource, bindingContext, options) {
6.3543 - options = options || {};
6.3544 - ensureHasReferencedJQueryTemplates();
6.3545 -
6.3546 - // Ensure we have stored a precompiled version of this template (don't want to reparse on every render)
6.3547 - var precompiled = templateSource['data']('precompiled');
6.3548 - if (!precompiled) {
6.3549 - var templateText = templateSource['text']() || "";
6.3550 - // Wrap in "with($whatever.koBindingContext) { ... }"
6.3551 - templateText = "{{ko_with $item.koBindingContext}}" + templateText + "{{/ko_with}}";
6.3552 -
6.3553 - precompiled = jQuery['template'](null, templateText);
6.3554 - templateSource['data']('precompiled', precompiled);
6.3555 - }
6.3556 -
6.3557 - var data = [bindingContext['$data']]; // Prewrap the data in an array to stop jquery.tmpl from trying to unwrap any arrays
6.3558 - var jQueryTemplateOptions = jQuery['extend']({ 'koBindingContext': bindingContext }, options['templateOptions']);
6.3559 -
6.3560 - var resultNodes = executeTemplate(precompiled, data, jQueryTemplateOptions);
6.3561 - resultNodes['appendTo'](document.createElement("div")); // Using "appendTo" forces jQuery/jQuery.tmpl to perform necessary cleanup work
6.3562 -
6.3563 - jQuery['fragments'] = {}; // Clear jQuery's fragment cache to avoid a memory leak after a large number of template renders
6.3564 - return resultNodes;
6.3565 - };
6.3566 -
6.3567 - this['createJavaScriptEvaluatorBlock'] = function(script) {
6.3568 - return "{{ko_code ((function() { return " + script + " })()) }}";
6.3569 - };
6.3570 -
6.3571 - this['addTemplate'] = function(templateName, templateMarkup) {
6.3572 - document.write("<script type='text/html' id='" + templateName + "'>" + templateMarkup + "</script>");
6.3573 - };
6.3574 -
6.3575 - if (jQueryTmplVersion > 0) {
6.3576 - jQuery['tmpl']['tag']['ko_code'] = {
6.3577 - open: "__.push($1 || '');"
6.3578 - };
6.3579 - jQuery['tmpl']['tag']['ko_with'] = {
6.3580 - open: "with($1) {",
6.3581 - close: "} "
6.3582 - };
6.3583 - }
6.3584 - };
6.3585 -
6.3586 - ko.jqueryTmplTemplateEngine.prototype = new ko.templateEngine();
6.3587 -
6.3588 - // Use this one by default *only if jquery.tmpl is referenced*
6.3589 - var jqueryTmplTemplateEngineInstance = new ko.jqueryTmplTemplateEngine();
6.3590 - if (jqueryTmplTemplateEngineInstance.jQueryTmplVersion > 0)
6.3591 - ko.setTemplateEngine(jqueryTmplTemplateEngineInstance);
6.3592 -
6.3593 - ko.exportSymbol('jqueryTmplTemplateEngine', ko.jqueryTmplTemplateEngine);
6.3594 -})();
6.3595 -});
6.3596 -})(window,document,navigator,window["jQuery"]);
6.3597 -})();
6.3598 \ No newline at end of file
7.1 --- a/ko/fx/src/test/java/org/apidesign/bck2brwsr/kofx/KnockoutFXTest.java Wed Jun 26 20:11:13 2013 +0200
7.2 +++ b/ko/fx/src/test/java/org/apidesign/bck2brwsr/kofx/KnockoutFXTest.java Wed Jun 26 20:27:06 2013 +0200
7.3 @@ -17,12 +17,9 @@
7.4 */
7.5 package org.apidesign.bck2brwsr.kofx;
7.6
7.7 -import org.apidesign.bck2brwsr.kofx.FXContext;
7.8 import java.io.BufferedReader;
7.9 import java.io.IOException;
7.10 import java.io.InputStreamReader;
7.11 -import java.io.PrintWriter;
7.12 -import java.net.HttpURLConnection;
7.13 import java.net.URI;
7.14 import java.net.URISyntaxException;
7.15 import java.net.URL;
7.16 @@ -36,6 +33,7 @@
7.17 import org.apidesign.html.json.spi.Transfer;
7.18 import org.apidesign.html.json.tck.KOTest;
7.19 import org.apidesign.html.json.tck.KnockoutTCK;
7.20 +import org.apidesign.html.kofx.FXContext;
7.21 import org.json.JSONException;
7.22 import org.json.JSONObject;
7.23 import org.openide.util.lookup.ServiceProvider;
8.1 --- a/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/JVMBridge.java Wed Jun 26 20:11:13 2013 +0200
8.2 +++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/JVMBridge.java Wed Jun 26 20:27:06 2013 +0200
8.3 @@ -17,6 +17,7 @@
8.4 */
8.5 package org.apidesign.bck2brwsr.launcher.fximpl;
8.6
8.7 +import java.io.BufferedReader;
8.8 import java.io.Reader;
8.9 import org.apidesign.html.boot.spi.Fn;
8.10 import java.net.URL;
8.11 @@ -103,12 +104,21 @@
8.12
8.13 @Override
8.14 public void displayPage(URL page, Runnable onPageLoad) {
8.15 - throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
8.16 + throw new UnsupportedOperationException("Not supported yet.");
8.17 }
8.18
8.19 @Override
8.20 public void loadScript(Reader code) throws Exception {
8.21 - throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
8.22 + BufferedReader r = new BufferedReader(code);
8.23 + StringBuilder sb = new StringBuilder();
8.24 + for (;;) {
8.25 + String l = r.readLine();
8.26 + if (l == null) {
8.27 + break;
8.28 + }
8.29 + sb.append(l).append('\n');
8.30 + }
8.31 + engine.executeScript(sb.toString());
8.32 }
8.33 }
8.34