001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2009 SonarSource SA 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.api.web.gwt.client; 021 022 import com.google.gwt.core.client.EntryPoint; 023 import com.google.gwt.user.client.DOM; 024 import com.google.gwt.user.client.Element; 025 import com.google.gwt.user.client.ui.RootPanel; 026 import com.google.gwt.user.client.ui.Widget; 027 028 public abstract class AbstractPage implements EntryPoint { 029 private RootPanel rootPanel; 030 031 public AbstractPage() { 032 rootPanel = null; 033 } 034 035 protected void displayView(Widget widget) { 036 Element loading = DOM.getElementById("loading"); 037 if (loading != null) { 038 DOM.removeChild(getRootPanel().getElement(), loading); 039 } 040 getRootPanel().add(widget); 041 } 042 043 protected RootPanel getRootPanel() { 044 if (rootPanel == null) { 045 rootPanel = RootPanel.get("gwtpage"); 046 } 047 return rootPanel; 048 } 049 }