Bug 30402 [Preferences] Banner should have 1-pixel border
build I20030115 In the Preferences and Properties dialogs, the banner currently has a black and white border on the bottom. It should have a black border all the way around it, plus the white line at the bottom. See the attached image from graphic design.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
return selectedItem;
	}
	/**
	 * Find the TreeItem that has data the same id as the nodeId.
	 * Search the children recursively.
	 * @return TreeItem or null if not found.
	 */
	private TreeItem findNodeMatching(TreeItem[] items, String nodeId) {
		for (int i = 0; i < items.length; i++) {
			Object data = items[i].getData();
			if (data instanceof IPreferenceNode) {
				if (((IPreferenceNode) data).getId().equals(nodeId))
					return items[i];
				else {
					TreeItem selectedChild =
						findNodeMatching(items[i].getItems(), nodeId);
					if (selectedChild != null)
						return selectedChild;
				}
			}
		}
		return null;
	}
	/**
	 * Clear the last selected node. This is so that we not chache
	 * the last selection in case of an error.
	 */
	private void clearSelectedNode() {
		setSelectedNodePreference(null);
	}