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| package org.apache.tapestry.contrib.form.checkboxes; |
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| import java.util.Collection; |
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| import org.apache.tapestry.BaseComponent; |
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| import org.apache.tapestry.IMarkupWriter; |
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| import org.apache.tapestry.IRequestCycle; |
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| import org.apache.tapestry.PageRenderSupport; |
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| import org.apache.tapestry.TapestryUtils; |
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| public abstract class CheckboxGroup extends BaseComponent |
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| { |
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| public final static String CHECKBOX_GROUP_ATTRIBUTE = "org.apache.tapestry.contrib.form.CheckboxGroup"; |
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| public abstract Collection getCheckboxNames(); |
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| public abstract String getFunctionName(); |
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| public abstract void setFunctionName(String functionName); |
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| public void registerControlledCheckbox(ControlledCheckbox checkbox)
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| { |
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| String name = checkbox.getCheckboxName();
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| String form = checkbox.getForm().getName();
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| getCheckboxNames().add(form + "." + name);
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| } |
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| protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
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| { |
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| Object objOtherGroup = cycle.getAttribute(CHECKBOX_GROUP_ATTRIBUTE);
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| cycle.setAttribute(CHECKBOX_GROUP_ATTRIBUTE, this);
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| initialize(cycle);
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| super.renderComponent(writer, cycle);
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| getCheckboxNames().clear();
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| cycle.setAttribute(CHECKBOX_GROUP_ATTRIBUTE, objOtherGroup);
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| } |
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| private void initialize(IRequestCycle cycle)
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| { |
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| String functionName = "setCheckboxGroup";
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| if (!cycle.isRewinding()) {
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| PageRenderSupport body = TapestryUtils.getPageRenderSupport(cycle, this);
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| if (body != null)
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| functionName = body.getUniqueString("setCheckboxGroup");
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| } |
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| setFunctionName(functionName);
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| } |
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| } |