/*
* 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.map.MapLayer;
/**
* Default popup control for visibility of MapLayer, use for JContextTreePopup
*
* @author Johann Sorel
*
* @source $URL$
*/
public class LayerVisibleItem extends JCheckBoxMenuItem implements TreePopupItem{
private MapLayer layer;
/**
* Creates a new instance of LayerVisibleControl
*/
public LayerVisibleItem() {
this.setText( BUNDLE.getString("visible"));
init();
}
private void init(){
addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
layer.setVisible(isSelected());
}
});
}
public boolean isValid(TreePath[] selection) {
if (selection.length == 1) {
ContextTreeNode node = (ContextTreeNode) selection[0].getLastPathComponent();
return ( node.getUserObject() instanceof MapLayer ) ;
}
return false;
}
public Component getComponent(TreePath[] selection) {
ContextTreeNode node = (ContextTreeNode) selection[0].getLastPathComponent();
layer = (MapLayer) node.getUserObject() ;
this.setSelected(layer.isVisible());
return this;
}
}