package org.apache.myfaces.tobago.event;
/*
* 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.
*/
/*
* Created 14.02.2003 13:40:19.
* $Id: DefaultTreeActionListener.java 578592 2007-09-23 18:51:32Z bommel $
*/
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.tobago.component.UITreeOld;
import org.apache.myfaces.tobago.context.ResourceManagerUtil;
import org.apache.myfaces.tobago.model.TreeState;
import javax.faces.component.UIComponent;
import javax.faces.component.UIPanel;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.MutableTreeNode;
public class DefaultTreeActionListener implements ActionListener {
private static final Log LOG = LogFactory.getLog(DefaultTreeActionListener.class);
protected DefaultMutableTreeNode create(FacesContext facesContext) {
String label = ResourceManagerUtil.getPropertyNotNull(facesContext, "tobago", "treeNodeNew");
return new DefaultMutableTreeNode(label);
}
protected DefaultMutableTreeNode copy(DefaultMutableTreeNode node) {
return new DefaultMutableTreeNode(node.getUserObject());
}
public void processAction(ActionEvent actionEvent) throws AbortProcessingException {
FacesContext facesContext = FacesContext.getCurrentInstance();
UIComponent component = actionEvent.getComponent().getParent();
if (component instanceof UIPanel) {
// component is toolbar
component = component.getParent();
}
if (!(component instanceof UITreeOld)) {
LOG.error("No tree found!");
return;
}
UITreeOld tree = (UITreeOld) component;
TreeState treeState = tree.getState();
DefaultMutableTreeNode marker = treeState.getMarker();
String command = actionEvent.getComponent().getId();
if (LOG.isDebugEnabled()) {
LOG.debug("marker " + marker);
LOG.debug("lastMarker " + treeState.getLastMarker());
LOG.debug("root " + tree.getValue());
LOG.debug("command " + command);
LOG.debug("lastCommand " + treeState.getLastCommand());
}
if (marker != null) {
boolean isRoot = tree.getValue().equals(marker);
if (UITreeOld.COMMAND_NEW.equals(command)) {
treeState.commandNew(create(facesContext));
} else if (UITreeOld.COMMAND_DELETE.equals(command)) {
if (!isRoot) {
marker.removeFromParent();
}
treeState.setLastMarker(null);
treeState.setLastCommand(null);
} else if (UITreeOld.COMMAND_CUT.equals(command)) {
if (!isRoot) {
treeState.setLastMarker(marker);
treeState.setLastCommand(command);
}
} else if (UITreeOld.COMMAND_COPY.equals(command)) {
treeState.setLastMarker(marker);
treeState.setLastCommand(command);
} else if (UITreeOld.COMMAND_PASTE.equals(command)) {
if (treeState.getLastMarker() != null) {
if (UITreeOld.COMMAND_CUT.equals(treeState.getLastCommand())) {
marker.insert(treeState.getLastMarker(), 0);
} else if (UITreeOld.COMMAND_COPY.equals(treeState.getLastCommand())) {
marker.insert(copy(treeState.getLastMarker()), 0);
}
treeState.setLastMarker(null);
treeState.setLastCommand(null);
}
} else if (UITreeOld.COMMAND_MOVE_UP.equals(command)) {
if (!isRoot) {
MutableTreeNode node = marker;
MutableTreeNode parent = (MutableTreeNode) node.getParent();
int index = parent.getIndex(node);
index = Math.max(index - 1, 0);
parent.insert(node, index);
}
treeState.setLastMarker(null);
treeState.setLastCommand(null);
} else if (UITreeOld.COMMAND_MOVE_DOWN.equals(command)) {
if (!isRoot) {
MutableTreeNode node = marker;
MutableTreeNode parent = (MutableTreeNode) node.getParent();
int index = parent.getIndex(node);
index = Math.min(index + 1, parent.getChildCount() - 1);
parent.insert(node, index);
}
treeState.setLastMarker(null);
treeState.setLastCommand(null);
}
}
}
}