OnClickChartAjaxBehavior.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 ro.nextreports.server.web.dashboard.chart;

import org.apache.wicket.ajax.AbstractDefaultAjaxBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;

import ro.nextreports.engine.chart.JsonExporter;

/**
 * @author Decebal Suiu
 */
public class OnClickChartAjaxBehavior extends AbstractDefaultAjaxBehavior {

	private static final long serialVersionUID = 1L;
	
	private static final String X_VALUE_PARAM_NAME = "value";

	public OnClickChartAjaxBehavior() {
		super();
	}

	public String getOnClickJavaScript(boolean isHTML5) {		
		StringBuilder javaScript = new StringBuilder();
		
		if (!isHTML5) {
			javaScript.append("Wicket.Ajax.get({ u: '");
			javaScript.append(getCallbackUrl());
			javaScript.append("&");
			javaScript.append(X_VALUE_PARAM_NAME);
			javaScript.append("=");
			javaScript.append(JsonExporter.X_VALUE);
			javaScript.append("'})");
		} else {
			javaScript.append("function doClick(myVal) {");
			javaScript.append("Wicket.Ajax.get({ u: '");
			javaScript.append(getCallbackUrl());			
			javaScript.append("', ");
			javaScript.append("dep: [function(attrs) { return { " + X_VALUE_PARAM_NAME + ": myVal }; }]");
			javaScript.append("});");
			javaScript.append("}");
		}				
		
		return javaScript.toString();		
	}
	
	@Override
	protected void respond(AjaxRequestTarget target) {
		String value = getComponent().getRequest().getRequestParameters().getParameterValue(X_VALUE_PARAM_NAME).toString();		
		if (value != null) { // defensive
			onClickChart(target, value);			
		}		
	}

	public void onClickChart(AjaxRequestTarget target, String value) {
		System.out.println("!!!!!!!!!!!!!!!! Click on " + value);
	}

}