001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 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.gwt.ui; 021 022 import com.google.gwt.core.client.EntryPoint; 023 import com.google.gwt.core.client.GWT; 024 import com.google.gwt.core.client.JavaScriptObject; 025 import com.google.gwt.json.client.JSONObject; 026 import com.google.gwt.user.client.Window; 027 import com.google.gwt.user.client.ui.RootPanel; 028 import com.google.gwt.user.client.ui.Widget; 029 import org.sonar.wsclient.gwt.GwtUtils; 030 import org.sonar.wsclient.services.Resource; 031 import org.sonar.wsclient.services.WSUtils; 032 import org.sonar.wsclient.unmarshallers.ResourceUnmarshaller; 033 034 public abstract class Page implements EntryPoint { 035 036 private static final ResourceUnmarshaller RESOURCE_UNMARSHALLER = new ResourceUnmarshaller(); 037 038 public final void onModuleLoad() { 039 export(GWT.getModuleName(), this); 040 load(); 041 onResourceLoad(); 042 } 043 044 private void load() { 045 Widget widget = doOnModuleLoad(); 046 if (widget != null) { 047 getRootPanel().add(widget); 048 } 049 } 050 051 protected Widget doOnModuleLoad() { 052 return null; 053 } 054 055 public final void onResourceLoad() { 056 JavaScriptObject json = loadResource(); 057 if (json != null) { 058 if (WSUtils.getINSTANCE() == null) { 059 WSUtils.setInstance(new GwtUtils()); // TODO dirty hack to initialize WSUtils 060 } 061 String jsonStr = (new JSONObject(json)).toString(); 062 Resource resource = RESOURCE_UNMARSHALLER.toModel(jsonStr); 063 064 RootPanel container = getRootPanel(); 065 container.clear(); 066 067 Widget currentWidget = doOnResourceLoad(resource); 068 if (currentWidget != null) { 069 container.add(currentWidget); 070 } 071 } 072 } 073 074 protected Widget doOnResourceLoad(Resource resource) { 075 return null; 076 } 077 078 protected final RootPanel getRootPanel() { 079 RootPanel result = RootPanel.get("gwtpage-" + GWT.getModuleName()); 080 if (result == null) { 081 result = RootPanel.get("gwtpage"); 082 } 083 return result; 084 } 085 086 private native JavaScriptObject loadResource()/*-{ 087 return $wnd.config['resource']; 088 }-*/; 089 090 private native void export(String gwtId, Page page)/*-{ 091 $wnd.modules[gwtId]=function() {page.@org.sonar.gwt.ui.Page::onResourceLoad()()}; 092 }-*/; 093 }