| /******************************************************************************* |
| * Copyright (c) 2000, 2013 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; |
| @Override |
| public void dragStart(DragSourceEvent e) { |
| selection = text.getSelection(); |
| e.doit = selection.x != selection.y; |
| } |
| @Override |
| public void dragSetData(DragSourceEvent e) { |
| e.data = text.getText(selection.x, selection.y-1); |
| } |
| @Override |
| 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() { |
| @Override |
| public void drop(DropTargetEvent event) { |
| if (event.data == null) { |
| event.detail = DND.DROP_NONE; |
| return; |
| } |
| text.append((String) event.data); |
| } |
| }); |
| } |
| } |