/*
* 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 .
*/
import java.awt.event.ActionEvent;
import java.io.File;
import java.net.MalformedURLException;
import java.util.ArrayList;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import org.netbeans.spi.viewmodel.Models;
import org.netbeans.spi.viewmodel.NodeActionsProvider;
import org.netbeans.spi.viewmodel.NodeModel;
import org.netbeans.spi.viewmodel.TreeModel;
import org.netbeans.spi.viewmodel.TreeModelListener;
public class TreeModelExample3 implements TreeModel, NodeModel, NodeActionsProvider {
public Object[] getChildren (Object parent, int from, int to) {
if (parent == ROOT)
return File.listRoots ();
return ((File) parent).listFiles ();
}
public Object getRoot () {
return ROOT;
}
public boolean isLeaf (Object node) {
if (node == ROOT)
return false ;
return ((File) node).isFile ();
}
public void addTreeModelListener (TreeModelListener l) {}
public void removeTreeModelListener (TreeModelListener l) {}
public String getDisplayName (Object node) {
if (node == ROOT) return "Name" ;
String name = ((File) node).getName ();
if (name.length () < 1 ) return ((File) node).getAbsolutePath ();
return name;
}
public String getIconBase (Object node) {
if (node == ROOT) return "folder" ;
if (((File) node).isDirectory ()) return "folder" ;
return "file" ;
}
public String getShortDescription (Object node) {
if (node == ROOT) return "Name" ;
return ((File) node).getAbsolutePath ();
}
public Action[] getActions (final Object node) {
return new Action [] {
new AbstractAction ("Open" ) {
public void actionPerformed (ActionEvent e) {
performDefaultAction (node);
}
},
new AbstractAction ("Delete" ) {
public void actionPerformed (ActionEvent e) {
((File) node).delete ();
}
}
};
}
public void performDefaultAction (Object node) {
try {
JFrame f = new JFrame ("View" );
f.getContentPane ().add (new JEditorPane (((File) node).toURL ()));
f.pack ();
f.show ();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main (String[] args) {
TreeModelExample3 tme = new TreeModelExample3 ();
JComponent ttv = Models.createView (
tme, // TreeModel
tme, // NodeModel
null , // TableModel
tme, // NodeActionsProvider
new ArrayList () // list of ColumnModels
);
JFrame f = new JFrame ("Tree Model Example 3" );
f.getContentPane ().add (ttv);
f.pack ();
f.show ();
}
}
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.2 Sekunden
¤
*© Formatika GbR, Deutschland