diff snippets/clipboard/Snippet282.d @ 117:8cdaac0dc743

Added more snippets from TomD
author Frank Benoit <benoit@tionex.de>
date Sat, 12 Jul 2008 20:09:06 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/clipboard/Snippet282.d	Sat Jul 12 20:09:06 2008 +0200
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+/*******************************************************************************
+ * 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
+ * D Port:
+ *     Thomas Demmer <t_demmer AT web DOT de>
+ *******************************************************************************/
+module clipboard.Snippets282;
+
+/*
+ * Copy/paste image to/from clipboard.
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+
+import dwt.DWT;
+import dwt.dnd.Clipboard;
+import dwt.dnd.ImageTransfer;
+import dwt.dnd.Transfer;
+import dwt.graphics.Image;
+import dwt.graphics.ImageData;
+import dwt.layout.GridLayout;
+import dwt.layout.GridData;
+
+import dwt.widgets.Button;
+import dwt.widgets.Composite;
+import dwt.widgets.Display;
+import dwt.widgets.Event;
+import dwt.widgets.FileDialog;
+import dwt.widgets.Listener;
+import dwt.widgets.Shell;
+
+import dwt.dwthelper.utils;
+
+public static void main(String[] args) {
+    Display display = new Display();
+    Clipboard clipboard = new Clipboard(display);
+    Shell shell = new Shell(display, DWT.SHELL_TRIM);
+    shell.setLayout(new GridLayout());
+    shell.setText("Clipboard ImageTransfer");
+
+    Button imageButton = new Button(shell, DWT.NONE );
+    GridData gd = new GridData(DWT.FILL, DWT.FILL, true, true);
+    gd.minimumHeight = 400;
+    gd.minimumWidth = 600;
+    imageButton.setLayoutData(gd);
+
+    Composite buttons = new Composite(shell, DWT.NONE);
+    buttons.setLayout(new GridLayout(4, true));
+    Button button = new Button(buttons, DWT.PUSH);
+    button.setText("Open");
+    button.addListener(DWT.Selection, new class() Listener {
+            public void handleEvent(Event event) {
+            FileDialog dialog = new FileDialog (shell, DWT.OPEN);
+            dialog.setText("Open an image file or cancel");
+            String string = dialog.open ();
+            if (string !is null) {
+            Image image = imageButton.getImage();
+            if (image !is null) image.dispose();
+            image = new Image(display, string);
+            imageButton.setImage(image);
+            }
+            }
+            });
+
+    button = new Button(buttons, DWT.PUSH);
+    button.setText("Copy");
+    button.addListener(DWT.Selection, new class() Listener {
+            public void handleEvent(Event event) {
+            Image image = imageButton.getImage();
+            if (image !is null) {
+            ImageTransfer transfer = ImageTransfer.getInstance();
+
+            Transfer[] xfer = [ transfer ];
+            Object[] td = [ image.getImageData ];
+
+            clipboard.setContents(td,xfer);
+            }
+            }
+            });
+    button = new Button(buttons, DWT.PUSH);
+    button.setText("Paste");
+    button.addListener(DWT.Selection, new class() Listener {
+            public void handleEvent(Event event) {
+            ImageTransfer transfer = ImageTransfer.getInstance();
+            ImageData imageData = cast(ImageData)clipboard.getContents(transfer);
+            if (imageData !is null) {
+            imageButton.setText("");
+            Image image = imageButton.getImage();
+            if (image !is null) image.dispose();
+            image = new Image(display, imageData);
+            imageButton.setImage(image);
+            } else {
+            imageButton.setText("No image");
+            }
+            }
+            });
+
+    button = new Button(buttons, DWT.PUSH);
+    button.setText("Clear");
+    button.addListener(DWT.Selection, new class() Listener {
+            public void handleEvent(Event event) {
+            imageButton.setText("");
+            Image image = imageButton.getImage();
+            if (image !is null) image.dispose();
+            imageButton.setImage(null);
+            }
+            });
+    shell.pack();
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    display.dispose();
+}
+