--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet111.d	Sun Mar 22 15:17:04 2009 +0100
@@ -0,0 +1,139 @@
+/*******************************************************************************
+ * 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:
+ *     Bill Baxter <wbaxter@gmail.com>
+ *******************************************************************************/
+module org.eclipse.swt.snippets.Snippet111;
+
+/*
+ * TreeEditor example snippet: edit the text of a tree item (in place, fancy)
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Widget;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeItem;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.custom.TreeEditor;
+
+import java.lang.all : String, substring, Math;
+
+import tango.util.Convert;
+import tango.util.log.Trace;
+version(JIVE){
+    import jive.stacktrace;
+}
+
+void main () {
+
+    Tree tree;
+    Color black;
+    void handleResize (Event e, Composite composite, Text text, int inset ) {
+        Rectangle rect = composite.getClientArea ();
+        text.setBounds (rect.x + inset, rect.y + inset, rect.width - inset * 2, rect.height - inset * 2);
+    }
+    void handleTextEvent (Event e, Composite composite, TreeItem item, TreeEditor editor,Text text, int inset ) {
+        switch (e.type) {
+        case SWT.FocusOut: {
+            item.setText (text.getText ());
+            composite.dispose ();
+        }
+        break;
+        case SWT.Verify: {
+            String newText = text.getText ();
+            String leftText = newText.substring (0, e.start);
+            String rightText = newText.substring (e.end, newText.length);
+            GC gc = new GC (text);
+            Point size = gc.textExtent (leftText ~ e.text ~ rightText);
+            gc.dispose ();
+            size = text.computeSize (size.x, SWT.DEFAULT);
+            editor.horizontalAlignment = SWT.LEFT;
+            Rectangle itemRect = item.getBounds (), rect = tree.getClientArea ();
+            editor.minimumWidth = Math.max (size.x, itemRect.width) + inset* 2;
+            int left = itemRect.x, right = rect.x + rect.width;
+            editor.minimumWidth = Math.min (editor.minimumWidth, right - left);
+            editor.minimumHeight = size.y + inset* 2;
+            editor.layout ();
+        }
+        break;
+        case SWT.Traverse: {
+            switch (e.detail) {
+            case SWT.TRAVERSE_RETURN:
+                item.setText (text.getText ());
+                //FALL THROUGH
+            case SWT.TRAVERSE_ESCAPE:
+                composite.dispose ();
+                e.doit = false;
+            default:
+                //no-op
+            }
+            break;
+        }
+        default:
+        // no-op
+        }
+    }
+    void handleSelection (Event event, TreeItem[] lastItem, TreeEditor editor ) {
+        TreeItem item = cast(TreeItem) event.item;
+        if (item !is null && item is lastItem [0]) {
+            bool showBorder = true;
+            Composite composite = new Composite (tree, SWT.NONE);
+            if (showBorder) composite.setBackground (black);
+            Text text = new Text (composite, SWT.NONE);
+            int inset = showBorder ? 1 : 0;
+            composite.addListener (SWT.Resize, dgListener( &handleResize, composite, text, inset ));
+            Listener textListener = dgListener( &handleTextEvent, composite, item, editor, text, inset);
+            text.addListener (SWT.FocusOut, textListener);
+            text.addListener (SWT.Traverse, textListener);
+            text.addListener (SWT.Verify, textListener);
+            editor.setEditor (composite, item);
+            text.setText (item.getText ());
+            text.selectAll ();
+            text.setFocus ();
+        }
+        lastItem [0] = item;
+    }
+
+    Display display = new Display ();
+    black = display.getSystemColor (SWT.COLOR_BLACK);
+    Shell shell = new Shell (display);
+    shell.setLayout (new FillLayout ());
+    tree = new Tree (shell, SWT.BORDER);
+    for (int i=0; i<16; i++) {
+        TreeItem itemI = new TreeItem (tree, SWT.NONE);
+        itemI.setText ("Item " ~ to!(char[])(i));
+        for (int j=0; j<16; j++) {
+            TreeItem itemJ = new TreeItem (itemI, SWT.NONE);
+            itemJ.setText ("Item " ~ to!(char[])(j) );
+        }
+    }
+    TreeItem [] lastItem = new TreeItem [1];
+    TreeEditor editor = new TreeEditor (tree);
+    tree.addListener (SWT.Selection, dgListener( &handleSelection, lastItem, editor ));
+    shell.pack ();
+    shell.open ();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch ()) display.sleep ();
+    }
+    display.dispose ();
+}
+
+