package org.eclipse.swt.snippets;
import org.eclipse.swt.*;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet78 {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Label label1 = new Label(shell, SWT.BORDER);
label1.setText("TEXT");
final Label label2 = new Label(shell, SWT.BORDER);
setDragDrop(label1);
setDragDrop(label2);
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
public static void setDragDrop(final Label label) {
Transfer[] types = new Transfer[] { TextTransfer.getInstance() };
int operations = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK;
final DragSource source = new DragSource(label, operations);
source.setTransfer(types);
source.addDragListener(new DragSourceListener() {
public void dragStart(DragSourceEvent event) {
event.doit = (label.getText().length() != 0);
}
public void dragSetData(DragSourceEvent event) {
event.data = label.getText();
}
public void dragFinished(DragSourceEvent event) {
if (event.detail == DND.DROP_MOVE)
label.setText("");
}
});
DropTarget target = new DropTarget(label, operations);
target.setTransfer(types);
target.addDropListener(new DropTargetAdapter() {
public void drop(DropTargetEvent event) {
if (event.data == null ||