| /******************************************************************************* |
| * Copyright (c) 2007 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; |
| |
| /* |
| * Copy/paste image to/from clipboard. |
| * |
| * 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 Snippet282 { |
| |
| public static void main(String[] args) { |
| final Display display = new Display(); |
| final Clipboard clipboard = new Clipboard(display); |
| final Shell shell = new Shell(display, SWT.SHELL_TRIM); |
| shell.setLayout(new GridLayout()); |
| shell.setText("Clipboard ImageTransfer"); |
| |
| final Button imageButton = new Button(shell, SWT.NONE ); |
| GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true); |
| gd.minimumHeight = 400; |
| gd.minimumWidth = 600; |
| imageButton.setLayoutData(gd); |
| |
| final Text imageText = new Text(shell, SWT.BORDER); |
| imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); |
| |
| Composite buttons = new Composite(shell, SWT.NONE); |
| buttons.setLayout(new GridLayout(4, true)); |
| Button button = new Button(buttons, SWT.PUSH); |
| button.setText("Open"); |
| button.addListener(SWT.Selection, new Listener() { |
| public void handleEvent(Event event) { |
| FileDialog dialog = new FileDialog (shell, SWT.OPEN); |
| dialog.setText("Open an image file or cancel"); |
| String string = dialog.open (); |
| if (string != null) { |
| imageButton.setText(""); |
| Image image = imageButton.getImage(); |
| if (image != null) image.dispose(); |
| image = new Image(display, string); |
| imageButton.setImage(image); |
| imageText.setText(string); |
| } |
| } |
| }); |
| |
| button = new Button(buttons, SWT.PUSH); |
| button.setText("Copy"); |
| button.addListener(SWT.Selection, new Listener() { |
| public void handleEvent(Event event) { |
| Image image = imageButton.getImage(); |
| if (image != null) { |
| ImageTransfer imageTransfer = ImageTransfer.getInstance(); |
| TextTransfer textTransfer = TextTransfer.getInstance(); |
| clipboard.setContents(new Object[]{image.getImageData(), imageText.getText()}, |
| new Transfer[]{imageTransfer, textTransfer}); |
| } |
| } |
| }); |
| |
| button = new Button(buttons, SWT.PUSH); |
| button.setText("Paste"); |
| button.addListener(SWT.Selection, new Listener() { |
| public void handleEvent(Event event) { |
| ImageData imageData = (ImageData)clipboard.getContents(ImageTransfer.getInstance()); |
| if (imageData != null) { |
| imageButton.setText(""); |
| Image image = imageButton.getImage(); |
| if (image != null) image.dispose(); |
| image = new Image(display, imageData); |
| imageButton.setImage(image); |
| } else { |
| imageButton.setText("No image"); |
| imageButton.setImage(null); |
| } |
| String text = (String)clipboard.getContents(TextTransfer.getInstance()); |
| if (text != null) { |
| imageText.setText(text); |
| } else { |
| imageText.setText(""); |
| } |
| } |
| }); |
| |
| button = new Button(buttons, SWT.PUSH); |
| button.setText("Clear"); |
| button.addListener(SWT.Selection, new Listener() { |
| public void handleEvent(Event event) { |
| imageButton.setText(""); |
| Image image = imageButton.getImage(); |
| if (image != null) image.dispose(); |
| imageButton.setImage(null); |
| imageText.setText(""); |
| } |
| }); |
| |
| shell.pack(); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| display.dispose(); |
| } |
| } |