| /* |
| * 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.myfaces.tobago.event; |
| |
| import org.apache.myfaces.tobago.internal.component.AbstractUICollapsiblePanel; |
| import org.apache.myfaces.tobago.util.ComponentUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.faces.component.StateHolder; |
| import javax.faces.component.UIComponent; |
| import javax.faces.component.UIViewRoot; |
| import javax.faces.context.FacesContext; |
| import javax.faces.event.AbortProcessingException; |
| import javax.faces.event.ActionEvent; |
| import javax.faces.event.ActionListener; |
| import java.lang.invoke.MethodHandles; |
| |
| public class CollapsibleActionListener implements ActionListener, StateHolder { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private String forId; |
| |
| private boolean transientFlag; |
| |
| public CollapsibleActionListener() { |
| // for state holder |
| } |
| |
| public CollapsibleActionListener(final String forId) { |
| this.forId = forId; |
| } |
| |
| @Override |
| public void processAction(final ActionEvent actionEvent) throws AbortProcessingException { |
| final FacesContext facesContext = FacesContext.getCurrentInstance(); |
| final UIViewRoot viewRoot = facesContext.getViewRoot(); |
| if (viewRoot != null) { |
| final String forClientId = ComponentUtils.evaluateClientId(facesContext, actionEvent.getComponent(), forId); |
| |
| final UIComponent component = viewRoot.findComponent(forClientId); |
| if (component instanceof AbstractUICollapsiblePanel) { |
| ((AbstractUICollapsiblePanel) component).processState(); |
| } else { |
| LOG.error("Wrong component class for id: '{}'. Type is {} but expected type is {}", |
| forClientId, component.getClass().getName(), AbstractUICollapsiblePanel.class.getName()); |
| } |
| } |
| } |
| |
| @Override |
| public Object saveState(final FacesContext context) { |
| return forId; |
| } |
| |
| @Override |
| public void restoreState(final FacesContext context, final Object state) { |
| this.forId = (String) state; |
| } |
| |
| @Override |
| public boolean isTransient() { |
| return transientFlag; |
| } |
| |
| @Override |
| public void setTransient(final boolean newTransientValue) { |
| this.transientFlag = newTransientValue; |
| } |
| } |