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/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* example snippet: drag and drop text between SWT and Swing
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.0
*/
import javax.swing.*;
import org.eclipse.swt.*;
import org.eclipse.swt.awt.*;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet300 {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("SWT and Swing DND Example");
GridLayout layout = new GridLayout(1, false);
shell.setLayout(layout);
Text swtText = new Text(shell, SWT.BORDER);
swtText.setText("SWT Text");
GridData data = new GridData(GridData.FILL_HORIZONTAL);
swtText.setLayoutData(data);
setDragDrop(swtText);
Composite comp = new Composite(shell, SWT.EMBEDDED);
java.awt.Frame frame = SWT_AWT.new_Frame(comp);
JTextField swingText = new JTextField(40);
swingText.setText("Swing Text");
swingText.setDragEnabled(true);
frame.add(swingText);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = swingText.getPreferredSize().height;
comp.setLayoutData(data);
shell.setSize(400, 200);
shell.open();
while(!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
public static void setDragDrop (final Text text) {
Transfer[] types = new Transfer[] {TextTransfer.getInstance()};
int operations = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK;
final DragSource source = new DragSource (text, operations);
source.setTransfer(types);
source.addDragListener (new DragSourceListener () {
Point selection;
public void dragStart(DragSourceEvent e) {
selection = text.getSelection();
e.doit = selection.x != selection.y;
}
public void dragSetData(DragSourceEvent e) {
e.data = text.getText(selection.x, selection.y-1);
}
public void dragFinished(DragSourceEvent e) {
if (e.detail == DND.DROP_MOVE) {
text.setSelection(selection);
text.insert("");
}
selection = null;
}
});
DropTarget target = new DropTarget(text, operations);
target.setTransfer(types);
target.addDropListener (new DropTargetAdapter() {
public void drop(DropTargetEvent event) {
if (event.data == null) {
event.detail = DND.DROP_NONE;
return;
}
text.append((String) event.data);
}
});
}
}
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