--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jface/snippets/viewers/Snippet005TreeCustomMenu.d	Fri Aug 08 14:40:21 2008 +0200
@@ -0,0 +1,183 @@
+/*******************************************************************************
+ * Copyright (c) 2006 Tom Schindl 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:
+ *     Tom Schindl - initial API and implementation
+ * Port to the D programming language:
+ *     wbaxter at gmail dot com
+ *******************************************************************************/
+
+module snippets.viewers.Snippet005TreeCustomMenu;
+
+import dwtx.jface.action.Action;
+import dwtx.jface.action.IMenuListener;
+import dwtx.jface.action.IMenuManager;
+import dwtx.jface.action.MenuManager;
+import dwtx.jface.viewers.IStructuredSelection;
+import dwtx.jface.viewers.ITreeContentProvider;
+import dwtx.jface.viewers.LabelProvider;
+import dwtx.jface.viewers.TreeViewer;
+import dwtx.jface.viewers.Viewer;
+import dwt.layout.FillLayout;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.DWT;
+
+import dwt.dwthelper.utils;
+
+import tango.util.Convert;
+import tango.io.Stdout;
+
+/**
+ * Customized context menu based on TreeItem-Selection
+ *
+ * @author Tom Schindl <tom.schindl@bestsolution.at>
+ *
+ */
+public class Snippet005TreeCustomMenu {
+	private class MyContentProvider : ITreeContentProvider {
+
+		public Object[] getElements(Object inputElement) {
+			return (cast(MyModel) inputElement).child;
+		}
+
+		/* (non-Javadoc)
+		 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
+		 */
+		public void dispose() {
+
+		}
+
+		/* (non-Javadoc)
+		 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
+		 */
+		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+
+		}
+
+		/* (non-Javadoc)
+		 * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
+		 */
+		public Object[] getChildren(Object parentElement) {
+			return getElements(parentElement);
+		}
+
+		/* (non-Javadoc)
+		 * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
+		 */
+		public Object getParent(Object element) {
+			if (element is null) {
+				return null;
+			}
+
+			return (cast(MyModel) element).parent;
+		}
+
+		/* (non-Javadoc)
+		 * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
+		 */
+		public bool hasChildren(Object element) {
+			return (cast(MyModel) element).child.length > 0;
+		}
+
+	}
+
+	public class MyModel {
+		public MyModel parent;
+
+		public MyModel[] child;
+
+		public int counter;
+
+		public this(int counter, MyModel parent) {
+			this.parent = parent;
+			this.counter = counter;
+		}
+
+		public String toString() {
+			String rv = "Item ";
+			if (parent !is null) {
+				rv = parent.toString() ~  ".";
+			}
+
+			rv ~= to!(char[])(counter);
+
+			return rv;
+		}
+	}
+
+	public this(Shell shell) {
+		final TreeViewer v = new TreeViewer(shell);
+		v.setLabelProvider(new LabelProvider());
+		v.setContentProvider(new MyContentProvider());
+		v.setInput(createModel());
+
+		final Action a = new class Action {};
+		final MenuManager mgr = new MenuManager();
+		mgr.setRemoveAllWhenShown(true);
+
+        class MyMenuListener :  IMenuListener {
+            TreeViewer v;
+            Action a;
+            MenuManager mgr;
+
+            this(TreeViewer v_, Action a_, MenuManager mgr_) {
+                this.v = v_; this.a = a_; this.mgr = mgr_;
+            }
+
+            /* (non-Javadoc)
+             * @see org.eclipse.jface.action.IMenuListener#menuAboutToShow(org.eclipse.jface.action.IMenuManager)
+             */
+            public void menuAboutToShow(IMenuManager manager) {
+                IStructuredSelection selection = cast(IStructuredSelection) v
+                    .getSelection();
+                if (!selection.isEmpty()) {
+                    a.setText("Action for "
+                              ~ (cast(MyModel) selection.getFirstElement())
+                              .toString());
+                    mgr.add(a);
+                }
+            }
+        }
+
+		mgr.addMenuListener(new MyMenuListener(v,a,mgr));
+		v.getControl().setMenu(mgr.createContextMenu(v.getControl()));
+	}
+
+	private MyModel createModel() {
+
+		MyModel root = new MyModel(0, null);
+		root.counter = 0;
+
+		MyModel tmp;
+		for (int i = 1; i < 10; i++) {
+			tmp = new MyModel(i, root);
+			root.child ~= tmp;
+			for (int j = 1; j < i; j++) {
+				tmp.child ~= new MyModel(j, tmp);
+			}
+		}
+
+		return root;
+	}
+
+}
+
+void main() {
+    Display display = new Display();
+    Shell shell = new Shell(display);
+    shell.setLayout(new FillLayout());
+    new Snippet005TreeCustomMenu(shell);
+    shell.open();
+
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+
+    display.dispose();
+}