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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 ();
}
}
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