Bug 97810 [preferences] Code template preference page buttons are not grayed out if invoked as project specific property page
3.1 RC1 Steps to reproduce: - Invoke Override Method on a project with no project-specific settings - Follow link to code template preference page -> Edit, Import, ... buttons are disabled, but not grayed out -> Toggling 'Enable project specific settings twice correctly grays out the buttons
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/TreeListDialogField.java
if (arr.length > 0) {
				element= arr[0];
			}
		} else {
			if (fElements.size() > 0) {
				element= fElements.get(0);
			}
		}
		if (element != null) {
			selectElements(new StructuredSelection(element));
		}
	}
	public void postSetSelection(final ISelection selection) {
		if (isOkToUse(fTreeControl)) {
			Display d= fTreeControl.getDisplay();
			d.asyncExec(new Runnable() {
				public void run() {
					if (isOkToUse(fTreeControl)) {
						selectElements(selection);
					}
				}
			});
		}
	}
	/**
	* Refreshes the tree.
	*/
	public void refresh() {
		super.refresh();
		if (isOkToUse(fTreeControl)) {