| /* |
| * 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 org.apache.cocoon.woody.event.impl; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.CascadingRuntimeException; |
| import org.apache.cocoon.components.CocoonComponentManager; |
| import org.apache.cocoon.components.flow.FlowHelper; |
| import org.apache.cocoon.woody.event.ActionEvent; |
| import org.apache.cocoon.woody.event.ActionListener; |
| import org.apache.cocoon.woody.event.ValueChangedEvent; |
| import org.apache.cocoon.woody.event.ValueChangedListener; |
| import org.apache.cocoon.woody.event.WidgetEvent; |
| import org.apache.cocoon.woody.util.JavaScriptHelper; |
| import org.mozilla.javascript.Script; |
| |
| /** |
| * Listeners built by {@link org.apache.cocoon.woody.event.impl.JavaScriptWidgetListenerBuilder} |
| * |
| * @author <a href="http://www.apache.org/~sylvain/">Sylvain Wallez</a> |
| * @version CVS $Id$ |
| */ |
| public abstract class JavaScriptWidgetListener { |
| |
| private Script script; |
| |
| public JavaScriptWidgetListener(Script script) { |
| this.script = script; |
| } |
| |
| /** |
| * Call the script that implements the event handler |
| */ |
| protected void callScript(WidgetEvent event) { |
| try { |
| |
| HashMap values = new HashMap(2); |
| values.put("event", event); |
| |
| // FIXME: remove this ugly hack and get the request from the Avalon context once |
| // listener builder are real components |
| Map objectModel = CocoonComponentManager.getCurrentEnvironment().getObjectModel(); |
| |
| // Add the biz data that was passed to showForm() |
| Object viewData = FlowHelper.getContextObject(objectModel); |
| if (viewData != null) { |
| values.put("viewData", viewData); |
| } |
| |
| JavaScriptHelper.execScript(this.script, values, objectModel); |
| |
| } catch(RuntimeException re) { |
| // rethrow |
| throw re; |
| } catch(Exception e) { |
| throw new CascadingRuntimeException("Error invoking JavaScript event handler", e); |
| } |
| } |
| |
| public static class JSActionListener extends JavaScriptWidgetListener implements ActionListener { |
| |
| public JSActionListener(Script script) { |
| super(script); |
| } |
| |
| public void actionPerformed(ActionEvent event) { |
| super.callScript(event); |
| } |
| } |
| |
| public static class JSValueChangedListener extends JavaScriptWidgetListener implements ValueChangedListener { |
| |
| public JSValueChangedListener(Script script) { |
| super(script); |
| } |
| |
| public void valueChanged(ValueChangedEvent event) { |
| super.callScript(event); |
| } |
| } |
| } |