Bug 124430 [Smoke][Regression][RCP]Library explorer keep gray even you add library file in Preferences.
Description: Library explorer keep gray even you add library file in Preferences. Steps to reproduce: 1. New several library files and add them through Window-->Preferences menu. 2. New a report and open Library Explorer view. Expected result: Library files display inside it. Actual result: It is gray with nothing inside. I cannot find add button in Library Explorer to add a library file,either.
UI/org.eclipse.birt.report.designer.ui.lib.explorer/src/org/eclipse/birt/report/designer/ui/lib/explorer/LibraryExplorerView.java
/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * 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:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/
package org.eclipse.birt.report.designer.ui.lib.explorer;
import java.util.HashMap;