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POhow to trigger ajax update with radio button in Tapestry 4.0?
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  1. POhow to trigger ajax update with radio button in Tapestry 4.0?
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    copied!<p>I've got two radio buttons (value A or B) and palette area below. I would like show palette when value A is selected and hide it when B is selected, so ajax update. How to do it? I'm using old Tapestry 4.0.2 for existing project, so I can't upgrade.</p> <p>Here is my code so far</p> <p>Markup:</p> <pre><code>&lt;span jwcid="models@RadioGroup" selected="ognl:modelOption"&gt; &lt;tr&gt; &lt;td class="dataLabel" width="15%"&gt; &lt;/td&gt; &lt;td&gt; &lt;input type="radio" jwcid="@Radio" value="ognl:@com.example.MyPage@ALL"/&gt; All models (Default) &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="dataLabel" width="15%"&gt; &lt;/td&gt; &lt;td&gt; &lt;input type="radio" jwcid="@Radio" value="ognl:@com.example.MyPage@SPECIFIC"/&gt; Specific models &lt;/td&gt; &lt;/tr&gt; &lt;/span&gt; &lt;span jwcid="@If" condition="ognl:specificDeviceModels"&gt; &lt;tr&gt; &lt;td class="dataLabel" width="15%"&gt; &lt;span key="supportedDeviceModelsLabel"&gt;Supported device models:&lt;/span&gt;: &lt;/td&gt; &lt;td&gt; &lt;div class="bundle_palette"&gt; &lt;span jwcid="palette"/&gt; &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/span&gt; </code></pre> <p>Java:</p> <pre><code>public static final Integer ALL = new Integer(1); public static final Integer SPECIFIC = new Integer(2); public abstract Integer getModelOption(); public abstract List&lt;DeviceModel&gt; getSelectedDeviceModels(); public abstract void setSelectedDeviceModels(List&lt;DeviceModel&gt; deviceModels); public abstract void setDeviceModels(List&lt;DeviceModel&gt; deviceModels); public abstract List&lt;DeviceModel&gt; getDeviceModels(); @Component(type = "contrib:Palette", bindings = {"selected=selectedDeviceModels", "model=deviceModel"}) public abstract Palette getPalette(); public IPropertySelectionModel getDeviceModel() { return new OptionValueSelectionModel(getDeviceModels()).sorted(); } public void pageBeginRender(PageEvent event) { setDeviceModels(getDeviceService().findDeviceModels(null)); } public boolean getSpecificDeviceModels() { //here I need to set boolean value and return it return true/false; } </code></pre>
 

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