Java tutorial
/** * Copyright (C) 2010 Asterios Raptis * * 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.jaulp.wicket.behaviors; import org.apache.log4j.Logger; import org.apache.wicket.Component; import org.apache.wicket.behavior.Behavior; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.OnDomReadyHeaderItem; import org.apache.wicket.util.lang.Args; import org.odlabs.wiquery.core.javascript.JsQuery; import org.odlabs.wiquery.core.javascript.JsStatement; import org.odlabs.wiquery.core.javascript.JsUtils; public class AddJsQueryBehavior extends Behavior { /** The Constant logger. */ protected static final Logger LOGGER = Logger.getLogger(AddJsQueryBehavior.class.getName()); /** The Constant serialVersionUID. */ private static final long serialVersionUID = 1L; CharSequence statementLabel; CharSequence statementArgs; public AddJsQueryBehavior(CharSequence statementLabel, CharSequence statementArgs) { Args.notNull(statementLabel, "statementLabel"); Args.notNull(statementArgs, "statementArgs"); this.statementLabel = statementLabel; this.statementArgs = statementArgs; } @Override public void renderHead(Component component, IHeaderResponse response) { CharSequence renderedStatement = createRenderedStatement(component); response.render(OnDomReadyHeaderItem.forScript(renderedStatement)); } public CharSequence createRenderedStatement(Component component) { JsStatement statement = new JsQuery(component).$().chain(statementLabel, JsUtils.quotes(statementArgs)); // $('#component').statementLabel('statementArgs'); return statement.render(); } }