1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/Knockout.java	Sun Jan 20 18:20:18 2013 +0100
     1.3 @@ -0,0 +1,69 @@
     1.4 +/**
     1.5 + * Back 2 Browser Bytecode Translator
     1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, version 2 of the License.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 + * GNU General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License
    1.18 + * along with this program. Look for COPYING file in the top folder.
    1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
    1.20 + */
    1.21 +package org.apidesign.bck2brwsr.htmlpage;
    1.22 +
    1.23 +import org.apidesign.bck2brwsr.core.ExtraJavaScript;
    1.24 +import org.apidesign.bck2brwsr.core.JavaScriptBody;
    1.25 +
    1.26 +/** Provides binding between models and 
    1.27 + *
    1.28 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.29 + */
    1.30 +@ExtraJavaScript(resource = "org/apidesign/bck2brwsr/htmlpage/knockout-min-2.2.0.js")
    1.31 +public final class Knockout {
    1.32 +
    1.33 +
    1.34 +    private Knockout() {
    1.35 +    }
    1.36 +    
    1.37 +    public static <M> void applyBindings(
    1.38 +        Class<M> modelClass, M model, String[] propsGettersAndSetters
    1.39 +    ) {
    1.40 +        Object bindings = new Object();
    1.41 +        for (int i = 0; i < propsGettersAndSetters.length; i += 3) {
    1.42 +            bind(bindings, model, propsGettersAndSetters[i],
    1.43 +                propsGettersAndSetters[i + 1],
    1.44 +                propsGettersAndSetters[i + 2]
    1.45 +            );
    1.46 +        }
    1.47 +        applyBindings(bindings);
    1.48 +    }
    1.49 +    
    1.50 +    @JavaScriptBody(args = { "bindings", "model", "prop", "getter", "setter" }, body =
    1.51 +          "var bnd = {\n"
    1.52 +        + "  read: function() {\n"
    1.53 +        + "    var v = model[getter]();\n"
    1.54 +        + "    return v;\n"
    1.55 +        + "  },\n"
    1.56 +        + "  owner: bindings\n"
    1.57 +        + "};\n"
    1.58 +        + "if (setter != null) {\n"
    1.59 +        + "  bnd.write = function(val) {\n"
    1.60 +        + "    model[setter](new Number(val));\n"
    1.61 +        + "  };\n"
    1.62 +        + "}\n"
    1.63 +        + "bindings[prop] = ko.computed(bnd);"
    1.64 +    )
    1.65 +    private static void bind(
    1.66 +        Object bindings, Object model, String prop, String getter, String setter
    1.67 +    ) {
    1.68 +    }
    1.69 +    
    1.70 +    @JavaScriptBody(args = { "bindings" }, body = "ko.applyBindings(bindings);")
    1.71 +    private static void applyBindings(Object bindings) {}
    1.72 +}