/******************************************************************************* * 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() { @Override 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() { @Override 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() { @Override 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() { @Override 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(); } }