public DragLabel(String s) {
this.setText(s);
this.setOpaque(true);
this.dragSource = DragSource.getDefaultDragSource();
this.dgListener = new DGListener();
this.dsListener = new DSListener();
// component, action, listener
this.dragSource.createDefaultDragGestureRecognizer(this, this.dragAction, this.dgListener);
}
public void init() {
DragSource dragSource = DragSource.getDefaultDragSource();
// 将srcLabel转换成拖放源，它能接受复制、移动两种操作
dragSource.createDefaultDragGestureRecognizer(
srcLabel,
DnDConstants.ACTION_COPY_OR_MOVE,
new DragGestureListener() {
public void dragGestureRecognized(DragGestureEvent event) {
// 将JLabel里的文本信息包装成Transferable对象
String txt = srcLabel.getText();
Transferable transferable = new StringSelection(txt);
// 继续拖放操作,拖放过程中使用手状光标
event.startDrag(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR), transferable);
}
});
jf.add(new JScrollPane(srcLabel));
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.pack();
jf.setVisible(true);
}
public DragLabel(String s, int a) {
if (a != DnDConstants.ACTION_NONE
&& a != DnDConstants.ACTION_COPY
&& a != DnDConstants.ACTION_MOVE
&& a != DnDConstants.ACTION_COPY_OR_MOVE
&& a != DnDConstants.ACTION_LINK) throw new IllegalArgumentException("action" + a);
this.dragAction = a;
this.setText(s);
this.setOpaque(true);
this.dragSource = DragSource.getDefaultDragSource();
this.dgListener = new DGListener();
this.dsListener = new DSListener();
// component, action, listener
this.dragSource.createDefaultDragGestureRecognizer(this, this.dragAction, this.dgListener);
}
public TestXEmbedServer(boolean manual) {
// Enable testing extensions in XEmbed server
System.setProperty("sun.awt.xembed.testing", "true");
f = new Frame("Main frame");
f.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
synchronized (TestXEmbedServer.this) {
TestXEmbedServer.this.notifyAll();
}
dummy.dispose();
f.dispose();
}
});
f.setLayout(new BorderLayout());
Container bcont = new Container();
toFocus = new Button("Click to focus server");
final TextField tf = new TextField(20);
tf.setName("0");
DragSource ds = new DragSource();
final DragSourceListener dsl =
new DragSourceAdapter() {
public void dragDropEnd(DragSourceDropEvent dsde) {}
};
final DragGestureListener dgl =
new DragGestureListener() {
public void dragGestureRecognized(DragGestureEvent dge) {
dge.startDrag(null, new StringSelection(tf.getText()), dsl);
}
};
ds.createDefaultDragGestureRecognizer(tf, DnDConstants.ACTION_COPY, dgl);
final DropTargetListener dtl =
new DropTargetAdapter() {
public void drop(DropTargetDropEvent dtde) {
dtde.acceptDrop(DnDConstants.ACTION_COPY);
try {
tf.setText(
tf.getText()
+ (String) dtde.getTransferable().getTransferData(DataFlavor.stringFlavor));
} catch (Exception e) {
}
}
};
final DropTarget dt = new DropTarget(tf, dtl);
Button b_add = new Button("Add client");
b_add.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
addClient();
}
});
Button b_remove = new Button("Remove client");
b_remove.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (clientCont.getComponentCount() != 0) {
clientCont.remove(clientCont.getComponentCount() - 1);
}
}
});
b_close = new JButton("Close modal dialog");
b_close.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
modal_d.dispose();
}
});
b_modal = new Button("Show modal dialog");
b_modal.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
modal_d = new JDialog(f, "Modal dialog", true);
modal_d.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
modal_d.setBounds(0, 100, 200, 50);
modal_d.getContentPane().add(b_close);
modal_d.validate();
modal_d.show();
}
});
bcont.add(tf);
bcont.add(toFocus);
bcont.add(b_add);
bcont.add(b_remove);
bcont.add(b_modal);
if (manual) {
Button pass = new Button("Pass");
pass.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
passed = true;
synchronized (TestXEmbedServer.this) {
TestXEmbedServer.this.notifyAll();
}
}
});
bcont.add(pass);
Button fail = new Button("Fail");
fail.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
passed = false;
synchronized (TestXEmbedServer.this) {
TestXEmbedServer.this.notifyAll();
}
}
});
bcont.add(fail);
}
b_modal.setName("2");
bcont.setLayout(new FlowLayout());
f.add(bcont, BorderLayout.NORTH);
clientCont = Box.createVerticalBox();
f.add(clientCont, BorderLayout.CENTER);
dummy = new JFrame("Dummy");
dummy.getContentPane().add(new JButton("Button"));
dummy.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
dummy.setBounds(0, VERTICAL_POSITION, 100, 100);
dummy.setVisible(true);
f.setBounds(300, VERTICAL_POSITION, 800, 300);
f.setVisible(true);
}