// DragTest.java
// A simple (?) test of the DragSource classes to see if we
// can create a draggable object in a Java application. This version
// works with 1.3 and higher SDKs.
//
import java.awt.*;
import java.awt.dnd.*;
import java.awt.datatransfer.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
public class DragTest extends JFrame implements DragSourceListener, DragGestureListener {
DragSource ds;
JList jl;
StringSelection transferable;
String[] items = {"Java", "C", "C++", "Lisp", "Perl", "Python"};
public DragTest() {
super("Drag Test");
setSize(200,150);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent we) {
System.exit(0);
}
});
jl = new JList(items);
jl.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
getContentPane().add(new JScrollPane(jl), BorderLayout.CENTER);
ds = new DragSource();
DragGestureRecognizer dgr = ds.createDefaultDragGestureRecognizer(
jl, DnDConstants.ACTION_COPY, this);
setVisible(true);
}
public void dragGestureRecognized(DragGestureEvent dge) {
System.out.println("Drag Gesture Recognized!");
transferable = new StringSelection(jl.getSelectedValue().toString());
ds.startDrag(dge, DragSource.DefaultCopyDrop, transferable, this);
}
public void dragEnter(DragSourceDragEvent dsde) {
System.out.println("Drag Enter");
}
public void dragExit(DragSourceEvent dse) {
System.out.println("Drag Exit");
}
public void dragOver(DragSourceDragEvent dsde) {
System.out.println("Drag Over");
}
public void dragDropEnd(DragSourceDropEvent dsde) {
System.out.print("Drag Drop End: ");
if (dsde.getDropSuccess()) {
System.out.println("Succeeded");
}
else {
System.out.println("Failed");
}
}
public void dropActionChanged(DragSourceDragEvent dsde) {
System.out.println("Drop Action Changed");
}
public static void main(String args[]) {
new DragTest();
}
}
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