@Override
					public void handleEvent (final Event e) {
						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;
								}
								break;
						}
					}