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    <p>You are asking a lot of questions here. In your case you should create as much questions in so as you have qustion marks in your original post.</p> <p>Regarding your first question, look at <a href="http://code.google.com/intl/ru-RU/webtoolkit/doc/latest/DevGuideCodingBasicsJSNI.html" rel="nofollow">JSNI</a>.</p> <p>Edit: So okrasz gave you a number of references to look at. From my side I’ll try to help with your example using JSNI (because you were asking about binding your existing js to GWT).</p> <p>Let's say you have your <code>MyTable</code> defined as</p> <pre class="lang-html prettyprint-override"><code>&lt;script type="text/javascript"&gt; MyTable = function(a,b){ this.a = a; this.b = b; }; &lt;/script&gt; </code></pre> <p>and your js file is called <code>mytable.js</code></p> <p>Now, we need this to be a component. In your .java file in GWT library project create a class like this:</p> <pre class="lang-java prettyprint-override"><code>public class MyTable extends JavaScriptObject { protected MyTable(){} public static native MyTable create(double a, double b) /*-{ return new MyTable(a,b); }-*/; public final native double getA() /*-{ return this.a; }-*/; public final native double getB() /*-{ return this.b; }-*/; } </code></pre> <p>Add your original js file to the resources and add a <code>script</code> node to your <code>gwt.xml</code> module like this:</p> <pre class="lang-xml prettyprint-override"><code>&lt;module&gt; &lt;inherits name="com.google.gwt.core.Core"/&gt; &lt;script src="path/to/mytable.js"/&gt; &lt;source path="client"/&gt; &lt;public path="public"/&gt; &lt;/module&gt; </code></pre> <p>That's pretty much it. I might forgot something but you can reference any oss project that does the same thing you need. For instance, take a look at <a href="http://code.google.com/p/swfupload-gwt/source/browse/" rel="nofollow">swfupload-gwt</a> project source code.</p>
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    1. COok. sorry. I just explained. so it became losts of questions. i Have modified. please the last line. thats my requiremnt.
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    2. CO@user414967 I wrote rought example of how it can be implemented using JSNI. This approach is good if you already have a library with clear API and you don’t want to write a GWT version from the ground. Or if this is a 3rd party javascript library. Otherwise I would recommend to create your library from scratch and look at references provided by @okrasz.
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    3. COHi Thanks a lot for such a nice effort..
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