/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.gui.swing.contexttree.popup;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.tree.TreePath;
import org.geotools.gui.swing.contexttree.ContextTreeNode;
import org.geotools.gui.swing.contexttree.JContextTree;
import org.geotools.map.MapContext;
/**
* Default popup control for activation of MapContext, use for JContextTreePopup
*
* @author Johann Sorel
*
*
* @source $URL$
*/
public class ContextActiveItem extends JCheckBoxMenuItem implements TreePopupItem{
private MapContext context;
private JContextTree xtree ;
/**
* Creates a new instance of ContextActiveControl
* @param tree
*/
public ContextActiveItem(JContextTree tree) {
this.setText( BUNDLE.getString("activated") );
xtree = tree;
init();
}
private void init(){
addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(isSelected()){
if(xtree != null && context != null)
xtree.setActiveContext(context);
} else if(xtree != null){
xtree.setActiveContext(null);
}
}
});
}
public boolean isValid(TreePath[] selection) {
if (selection.length == 1) {
ContextTreeNode node = (ContextTreeNode) selection[0].getLastPathComponent();
return ( node.getUserObject() instanceof MapContext ) ;
}
return false;
}
public Component getComponent(TreePath[] selection) {
ContextTreeNode node = (ContextTreeNode) selection[0].getLastPathComponent();
context = (MapContext) node.getUserObject() ;
this.setSelected( context.equals(xtree.getActiveContext()));
return this;
}
}