history support

git-svn-id: https://svn.coded.pt/svn/SIPRP@1121 bb69d46d-e84e-40c8-a05a-06db0d633741

trunk/GestaoSHST/src/com/evolute/siprp/client/GestaoSHST.java

@@ -4,18 +4,48 @@ import com.evolute.siprp.client.panels.footer.FooterPanel;
 import com.evolute.siprp.client.panels.utils.NavigationConstants;
 import com.evolute.siprp.client.panels.utils.PageNavigation;
 import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.event.logical.shared.ValueChangeEvent;
+import com.google.gwt.event.logical.shared.ValueChangeHandler;
+import com.google.gwt.user.client.History;
 import com.google.gwt.user.client.ui.RootPanel;
 
 
 
-public class GestaoSHST implements EntryPoint 
+public class GestaoSHST implements EntryPoint, ValueChangeHandler< String >
 {
 
+	private String oldEvent = null;
+	
 	public void onModuleLoad()
 	{
 		PageNavigation.goPage( NavigationConstants.LOGIN_PANEL );
 		
 		RootPanel.get( "footer" ).add( new FooterPanel() );
+		
+	    History.addValueChangeHandler( this );
+	    History.fireCurrentHistoryState();
+	}
+
+	@Override
+	public void onValueChange( ValueChangeEvent< String > newEvent ) 
+	{
+		if ( oldEvent != null && newEvent.getValue().equals( oldEvent ) )
+		{
+			return ;
+		}
+		
+		oldEvent = newEvent.getValue();
+		Integer panelID = null;
+		try
+		{
+			panelID = Integer.parseInt( oldEvent );
+		} 
+		catch ( Exception e )
+		{
+			return ;
+		}
+		
+		PageNavigation.goPage( panelID );
 	}
 	
 }

trunk/GestaoSHST/src/com/evolute/siprp/client/panels/apps/AnchorSair.java

@@ -22,6 +22,8 @@ public class AnchorSair extends Anchor implements ClickHandler
 	{
 		PageNavigation.getProvider().setUserLogged( null );
 		PageNavigation.goPage( NavigationConstants.LOGIN_PANEL );
+		
+		//TODO: apagar tudo da history.
 	}
 		
 }

trunk/GestaoSHST/src/com/evolute/siprp/client/panels/utils/PageNavigation.java

@@ -8,6 +8,7 @@ import com.evolute.siprp.client.panels.apps.AnaliseAcidentesTrabalho.AnaliseAcid
 import com.evolute.siprp.client.panels.index.login.LoginPanel;
 import com.evolute.siprp.client.panels.index.recover_pwd.RecoverPwdPanel;
 import com.evolute.siprp.client.vo.Utilizador;
+import com.google.gwt.user.client.History;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.RootPanel;
 
@@ -77,7 +78,8 @@ public class PageNavigation
 				{
 					panelsCache.put( NavigationConstants.LOGIN_PANEL, new LoginPanel() );
 				}				
-				gotoPage( ( LoginPanel ) panelsCache.get( NavigationConstants.LOGIN_PANEL ) );				
+				gotoPage( ( LoginPanel ) panelsCache.get( NavigationConstants.LOGIN_PANEL ) );
+				History.newItem( String.valueOf( NavigationConstants.LOGIN_PANEL ) );
 				break;
 			}
 			case NavigationConstants.RECOVER_PWD_PANEL: 
@@ -87,6 +89,7 @@ public class PageNavigation
 					panelsCache.put( NavigationConstants.RECOVER_PWD_PANEL, new RecoverPwdPanel() );
 				}				
 				gotoPage( ( RecoverPwdPanel ) panelsCache.get( NavigationConstants.RECOVER_PWD_PANEL ) );
+				History.newItem( String.valueOf( NavigationConstants.RECOVER_PWD_PANEL ) );
 				break;
 			}
 			case NavigationConstants.APP_MAIN_PANEL: 
@@ -96,6 +99,7 @@ public class PageNavigation
 					panelsCache.put( NavigationConstants.APP_MAIN_PANEL, new MainPanel() );
 				}				
 				gotoPage( ( MainPanel ) panelsCache.get( NavigationConstants.APP_MAIN_PANEL) );
+				History.newItem( String.valueOf( NavigationConstants.APP_MAIN_PANEL ) );
 				break;
 			}
 			case NavigationConstants.ANALISE_ACIDENTES_TRABALHO_PANEL: 
@@ -105,6 +109,7 @@ public class PageNavigation
 					panelsCache.put( NavigationConstants.ANALISE_ACIDENTES_TRABALHO_PANEL, new AnaliseAcidentesTrabalhoPanel() );
 				}				
 				gotoPage( ( AnaliseAcidentesTrabalhoPanel ) panelsCache.get( NavigationConstants.ANALISE_ACIDENTES_TRABALHO_PANEL ) );
+				History.newItem( String.valueOf( NavigationConstants.ANALISE_ACIDENTES_TRABALHO_PANEL ) );
 				break;
 			}
 			default: