Java tutorial
/* * Copyright 2008 Wicket-Ext * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.wicketstuff.extjs.behavior; import org.apache.wicket.Component; import org.apache.wicket.MarkupContainer; import org.apache.wicket.Component.IVisitor; import org.apache.wicket.behavior.AttributeAppender; import org.apache.wicket.markup.repeater.AbstractRepeater; import org.apache.wicket.model.Model; import org.wicketstuff.extjs.Config; public class ExtTabbedPanelBehavior extends ExtComponentBehavior { private static final long serialVersionUID = 1L; private boolean autoTagComponents; public ExtTabbedPanelBehavior(Config config) { super("Ext.TabPanel", config); } public ExtTabbedPanelBehavior setAutoTagComponents(boolean autoTag) { autoTagComponents = autoTag; return this; } @Override public void beforeRender(Component component) { super.beforeRender(component); if (autoTagComponents) { ((MarkupContainer) component).visitChildren(MarkupContainer.class, new IVisitor() { public Object component(Component child) { if (child instanceof AbstractRepeater) { return null; } child.setOutputMarkupId(true); child.add(new AttributeAppender("class", new Model("x-tab"), " ") { @Override public boolean isTemporary() { return true; } }); return CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER; } }); } } @Override protected void onExtConfig(Config options) { options.set("autoTabs", true); options.set("autoWidth", true); options.set("deferredRender", false); options.set("activeTab", 0); // <-- this value could be defined programmatically } }