Attachment 126346 Details for Bug 263695 – sample code

sample code

PR263695.java (text/plain), 3.69 KB, created by Kevin Barnes

on 2009-02-20 15:31:32 EST

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Creator: Kevin Barnes

Created: 2009-02-20 15:31:32 EST

Size: 3.69 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2000, 2004 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 dnd;
>
>/*
> * Drag and Drop example snippet: drag text between two labels
> *
> * For a list of all SWT example snippets see
> * http://www.eclipse.org/swt/snippets/
> */
>import org.eclipse.swt.*;
>import org.eclipse.swt.dnd.*;
>import org.eclipse.swt.graphics.*;
>import org.eclipse.swt.layout.*;
>import org.eclipse.swt.widgets.*;
>
>public class PR263695 {
>
>public static void main (String [] args) {
>	final 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 ();
>	
>	final Runnable dragEnder = new Runnable(){
>		public void run() {			
>			Rectangle bounds = label2.getBounds();
>			bounds = display.map(label2.getParent(), null, bounds);
>			Event evt = new Event();
>			evt.type = SWT.MouseMove;
>			evt.x = bounds.x + (bounds.width/2);
>			evt.y = bounds.y + (bounds.height/2);
>			display.post(evt);
>			
>			evt = new Event();
>			evt.type = SWT.MouseUp;
>			evt.x = bounds.x + (bounds.width/2);
>			evt.y = bounds.y + (bounds.height/2);
>			evt.button = 1;
>			display.post(evt);
>		}
>	};
>	Runnable dragStarter = new Runnable(){
>		public void run() {
>			Rectangle bounds = label1.getBounds();
>			
>			bounds = display.map(label1.getParent(), null, bounds);
>			Event evt = new Event();
>			
>			evt.type = SWT.MouseMove;
>			evt.x = bounds.x + (bounds.width/2);;
>			evt.y = bounds.y + (bounds.height/2);;
>			display.post(evt);
>			
>			evt = new Event();
>			evt.type = SWT.MouseDown;
>			evt.x = bounds.x + (bounds.width/2);
>			evt.y = bounds.y + (bounds.height/2);
>			evt.button = 1;
>			display.post(evt);
>			
>			evt = new Event();
>			evt.type = SWT.DragDetect;
>			evt.x = bounds.x + (bounds.width/2);
>			evt.y = bounds.y + (bounds.height/2);
>			display.post(evt);
>			
>//			display.timerExec(500, dragEnder);
>			dragEnder.run();
>			
>		}
>	};
>
>	display.timerExec(2000, dragStarter);
>	
>	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) {
>				event.detail = DND.DROP_NONE;
>				return;
>			}
>			label.setText ((String) event.data);
>		}
>	});
>}
>}

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Attachments on bug 263695: 126346