1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ko4j/src/main/java/org/netbeans/html/ko4j/KOTech.java Tue Dec 09 08:33:22 2014 +0100
1.3 @@ -0,0 +1,155 @@
1.4 +/**
1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 + *
1.7 + * Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
1.8 + *
1.9 + * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
1.10 + * Other names may be trademarks of their respective owners.
1.11 + *
1.12 + * The contents of this file are subject to the terms of either the GNU
1.13 + * General Public License Version 2 only ("GPL") or the Common
1.14 + * Development and Distribution License("CDDL") (collectively, the
1.15 + * "License"). You may not use this file except in compliance with the
1.16 + * License. You can obtain a copy of the License at
1.17 + * http://www.netbeans.org/cddl-gplv2.html
1.18 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.19 + * specific language governing permissions and limitations under the
1.20 + * License. When distributing the software, include this License Header
1.21 + * Notice in each file and include the License file at
1.22 + * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
1.23 + * particular file as subject to the "Classpath" exception as provided
1.24 + * by Oracle in the GPL Version 2 section of the License file that
1.25 + * accompanied this code. If applicable, add the following below the
1.26 + * License Header, with the fields enclosed by brackets [] replaced by
1.27 + * your own identifying information:
1.28 + * "Portions Copyrighted [year] [name of copyright owner]"
1.29 + *
1.30 + * Contributor(s):
1.31 + *
1.32 + * The Original Software is NetBeans. The Initial Developer of the Original
1.33 + * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
1.34 + *
1.35 + * If you wish your version of this file to be governed by only the CDDL
1.36 + * or only the GPL Version 2, indicate your decision by adding
1.37 + * "[Contributor] elects to include this software in this distribution
1.38 + * under the [CDDL or GPL Version 2] license." If you do not indicate a
1.39 + * single choice of license, a recipient has the option to distribute
1.40 + * your version of this file under either the CDDL, the GPL Version 2 or
1.41 + * to extend the choice of license to its licensees as provided above.
1.42 + * However, if you add GPL Version 2 code and therefore, elected the GPL
1.43 + * Version 2 license, then the option applies only if the new code is
1.44 + * made subject to such option by the copyright holder.
1.45 + */
1.46 +package org.netbeans.html.ko4j;
1.47 +
1.48 +import org.netbeans.html.context.spi.Contexts;
1.49 +import org.netbeans.html.json.spi.FunctionBinding;
1.50 +import org.netbeans.html.json.spi.PropertyBinding;
1.51 +import org.netbeans.html.json.spi.Technology;
1.52 +import static org.netbeans.html.ko4j.KO4J.LOG;
1.53 +
1.54 +/** This is an implementation package - just
1.55 + * include its JAR on classpath and use official {@link Context} API
1.56 + * to access the functionality.
1.57 + * <p>
1.58 + *
1.59 + * @author Jaroslav Tulach
1.60 + */
1.61 +@Contexts.Id("ko4j")
1.62 +final class KOTech
1.63 +implements Technology.BatchInit<Object>, Technology.ValueMutated<Object> {
1.64 + private Object[] jsObjects;
1.65 + private int jsIndex;
1.66 +
1.67 + public KOTech() {
1.68 + }
1.69 +
1.70 + @Override
1.71 + public Object wrapModel(Object model, PropertyBinding[] propArr, FunctionBinding[] funcArr) {
1.72 + String[] propNames = new String[propArr.length];
1.73 + boolean[] propReadOnly = new boolean[propArr.length];
1.74 + Object[] propValues = new Object[propArr.length];
1.75 + for (int i = 0; i < propNames.length; i++) {
1.76 + propNames[i] = propArr[i].getPropertyName();
1.77 + propReadOnly[i] = propArr[i].isReadOnly();
1.78 + propValues[i] = propArr[i].getValue();
1.79 + }
1.80 + String[] funcNames = new String[funcArr.length];
1.81 + for (int i = 0; i < funcNames.length; i++) {
1.82 + funcNames[i] = funcArr[i].getFunctionName();
1.83 + }
1.84 + Object ret = getJSObject();
1.85 + Knockout.wrapModel(new Knockout(model, ret, propArr, funcArr),
1.86 + ret,
1.87 + propNames, propReadOnly, propValues,
1.88 + funcNames
1.89 + );
1.90 + return ret;
1.91 + }
1.92 +
1.93 + private Object getJSObject() {
1.94 + int len = 64;
1.95 + if (jsObjects != null && jsIndex < (len = jsObjects.length)) {
1.96 + Object ret = jsObjects[jsIndex];
1.97 + jsObjects[jsIndex] = null;
1.98 + jsIndex++;
1.99 + return ret;
1.100 + }
1.101 + jsObjects = Knockout.allocJS(len * 2);
1.102 + jsIndex = 1;
1.103 + Object ret = jsObjects[0];
1.104 + jsObjects[0] = null;
1.105 + return ret;
1.106 + }
1.107 +
1.108 + @Override
1.109 + public Object wrapModel(Object model) {
1.110 + throw new UnsupportedOperationException();
1.111 + }
1.112 +
1.113 + @Override
1.114 + public void bind(PropertyBinding b, Object model, Object data) {
1.115 + throw new UnsupportedOperationException();
1.116 + }
1.117 +
1.118 + @Override
1.119 + public void valueHasMutated(Object data, String propertyName) {
1.120 + Knockout.cleanUp();
1.121 + Knockout.valueHasMutated(data, propertyName, null, null);
1.122 + }
1.123 +
1.124 + @Override
1.125 + public void valueHasMutated(Object data, String propertyName, Object oldValue, Object newValue) {
1.126 + Knockout.cleanUp();
1.127 + Knockout.valueHasMutated(data, propertyName, oldValue, newValue);
1.128 + }
1.129 +
1.130 + @Override
1.131 + public void expose(FunctionBinding fb, Object model, Object d) {
1.132 + throw new UnsupportedOperationException();
1.133 + }
1.134 +
1.135 + @Override
1.136 + public void applyBindings(Object data) {
1.137 + Object ko = Knockout.applyBindings(data);
1.138 + if (ko instanceof Knockout) {
1.139 + ((Knockout)ko).hold();
1.140 + }
1.141 + }
1.142 +
1.143 + @Override
1.144 + public Object wrapArray(Object[] arr) {
1.145 + return arr;
1.146 + }
1.147 +
1.148 + @Override
1.149 + public void runSafe(final Runnable r) {
1.150 + LOG.warning("Technology.runSafe has been deprecated. Use BrwsrCtx.execute!");
1.151 + r.run();
1.152 + }
1.153 +
1.154 + @Override
1.155 + public <M> M toModel(Class<M> modelClass, Object data) {
1.156 + return modelClass.cast(Knockout.toModel(data));
1.157 + }
1.158 +}