diff snippets/clipboard/Snippet122.d @ 117:8cdaac0dc743

Added more snippets from TomD
author Frank Benoit <benoit@tionex.de>
date Sat, 12 Jul 2008 20:09:06 +0200
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/clipboard/Snippet122.d	Sat Jul 12 20:09:06 2008 +0200
@@ -0,0 +1,93 @@
+/*******************************************************************************
+ * 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
+ * D Port:
+ *     Thomas Demmer <t_demmer AT web DOT de>
+ *******************************************************************************/
+module clipboard.Snippet122;
+/*
+ * Clipboard example snippet: enable/disable menu depending on clipboard content availability
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ *
+ * @since 3.0
+ */
+import dwt.DWT;
+import dwt.dnd.Clipboard;
+import dwt.dnd.TextTransfer;
+import dwt.dnd.Transfer;
+import dwt.dnd.TransferData;
+import dwt.events.MenuAdapter;
+import dwt.events.MenuEvent;
+import dwt.events.SelectionAdapter;
+import dwt.events.SelectionListener;
+import dwt.layout.FillLayout;
+import dwt.widgets.Display;
+import dwt.widgets.Menu;
+import dwt.widgets.MenuItem;
+import dwt.widgets.Shell;
+import dwt.widgets.Text;
+
+import dwt.dwthelper.utils;
+
+public static void main(String[] args) {
+    Display display = new Display();
+    Clipboard cb = new Clipboard(display);
+    Shell shell = new Shell(display);
+    shell.setLayout(new FillLayout());
+    Text text = new Text(shell, DWT.BORDER | DWT.MULTI | DWT.WRAP);
+    Menu menu = new Menu(shell, DWT.POP_UP);
+    MenuItem copyItem = new MenuItem(menu, DWT.PUSH);
+    copyItem.setText("Copy");
+    copyItem.addSelectionListener(new class() SelectionAdapter{
+        public void widgetSelected(SelectionEvent e) {
+            String selection = text.getSelectionText();
+            if (selection.length == 0) return;
+            Object[] data = [ new ArrayWrapperString(selection) ];
+            Transfer[] types = [ TextTransfer.getInstance() ];
+            cb.setContents(data, types);
+        }
+    });
+    MenuItem pasteItem = new MenuItem(menu, DWT.PUSH);
+    pasteItem.setText ("Paste");
+    pasteItem.addSelectionListener(new class() SelectionAdapter{
+        public void widgetSelected(SelectionEvent e) {
+            String string = stringcast(cb.getContents(TextTransfer.getInstance()));
+            if (string !is null) text.insert(string);
+        }
+    });
+    menu.addMenuListener(new class() MenuAdapter{
+        public void menuShown(MenuEvent e) {
+            // is copy valid?
+            String selection = text.getSelectionText();
+            copyItem.setEnabled(selection.length > 0);
+            // is paste valid?
+            TransferData[] available = cb.getAvailableTypes();
+            bool enabled = false;
+            for (int i = 0; i < available.length; i++) {
+                if (TextTransfer.getInstance().isSupportedType(available[i])) {
+                    enabled = true;
+                    break;
+                }
+            }
+            pasteItem.setEnabled(enabled);
+        }
+    });
+
+    text.setMenu (menu);
+    shell.setSize(200, 200);
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    cb.dispose();
+    display.dispose();
+}