--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jface/snippets/Snippet002TreeViewer.d	Mon May 19 23:42:48 2008 +0900
@@ -0,0 +1,146 @@
+/*******************************************************************************
+ * 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 jface.snippets.Snippet002TreeViewer;
+
+import dwt.DWT;
+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.dwthelper.utils;
+
+import tango.util.Convert;
+
+/**
+ * A simple TreeViewer to demonstrate usage
+ * 
+ * @author Tom Schindl <tom.schindl@bestsolution.at>
+ *
+ */
+class Snippet002TreeViewer {
+	private class MyContentProvider : ITreeContentProvider {
+		
+		/* (non-Javadoc)
+		 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
+		 */
+		public Object[] getElements(Object inputElement) {
+			return (cast(MyModel)inputElement).child/*.dup*/;
+		}
+
+		/* (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) {
+		TreeViewer v = new TreeViewer(shell);
+		v.setLabelProvider(new LabelProvider());
+		v.setContentProvider(new MyContentProvider());
+		v.setInput(createModel());
+	}
+	
+	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 Snippet002TreeViewer(shell);
+    shell.open ();
+		
+    while (!shell.isDisposed ()) {
+        if (!display.readAndDispatch ()) display.sleep ();
+    }
+		
+    display.dispose ();
+}