Browser navigation support

[lgpl/argeo-commons.git] / org.argeo.cms.e4.rap / src / org / argeo / cms / e4 / rap / CmsLoginLifecycle.java

diff --git a/org.argeo.cms.e4.rap/src/org/argeo/cms/e4/rap/CmsLoginLifecycle.java b/org.argeo.cms.e4.rap/src/org/argeo/cms/e4/rap/CmsLoginLifecycle.java
index 615a98117f0b49fb5ba047b5af7ff875210d090f..78c4747f608ceb231d4414003ddb09be6ba88739 100644 (file)
--- a/org.argeo.cms.e4.rap/src/org/argeo/cms/e4/rap/CmsLoginLifecycle.java
+++ b/org.argeo.cms.e4.rap/src/org/argeo/cms/e4/rap/CmsLoginLifecycle.java
@@ -13,21 +13,49 @@ import org.argeo.cms.auth.CurrentUser;
 import org.argeo.cms.ui.CmsImageManager;
 import org.argeo.cms.ui.CmsView;
 import org.argeo.cms.ui.UxContext;
+import org.argeo.cms.ui.dialogs.CmsFeedback;
 import org.argeo.cms.util.SimpleUxContext;
 import org.argeo.cms.widgets.auth.CmsLoginShell;
 import org.argeo.node.NodeConstants;
+import org.eclipse.e4.core.services.events.IEventBroker;
+import org.eclipse.e4.ui.workbench.UIEvents;
 import org.eclipse.e4.ui.workbench.lifecycle.PostContextCreate;
 import org.eclipse.e4.ui.workbench.lifecycle.PreSave;
+import org.eclipse.rap.rwt.RWT;
+import org.eclipse.rap.rwt.client.service.BrowserNavigation;
+import org.eclipse.rap.rwt.client.service.BrowserNavigationEvent;
+import org.eclipse.rap.rwt.client.service.BrowserNavigationListener;
 import org.eclipse.swt.widgets.Display;
+import org.osgi.service.event.Event;
+import org.osgi.service.event.EventHandler;
 
 @SuppressWarnings("restriction")
 public class CmsLoginLifecycle implements CmsView {
        private final static Log log = LogFactory.getLog(CmsLoginLifecycle.class);
+
        private UxContext uxContext;
+
        private LoginContext loginContext;
+       private BrowserNavigation browserNavigation;
+
+       private String state = null;
 
        @PostContextCreate
-       boolean login() {
+       boolean login(final IEventBroker eventBroker) {
+               browserNavigation = RWT.getClient().getService(BrowserNavigation.class);
+               if (browserNavigation != null)
+                       browserNavigation.addBrowserNavigationListener(new BrowserNavigationListener() {
+                               private static final long serialVersionUID = -3668136623771902865L;
+
+                               @Override
+                               public void navigated(BrowserNavigationEvent event) {
+                                       state = event.getState();
+                                       System.out.println("state=" + state);
+                                       if (uxContext != null)// is logged in
+                                               stateChanged();
+                               }
+                       });
+
                Subject subject = Subject.getSubject(AccessController.getContext());
                Display display = Display.getCurrent();
                CmsLoginShell loginShell = new CmsLoginShell(this);
@@ -49,13 +77,21 @@ public class CmsLoginLifecycle implements CmsView {
                        return false;
                uxContext = new SimpleUxContext();
 
+               eventBroker.subscribe(UIEvents.UILifeCycle.APP_STARTUP_COMPLETE, new EventHandler() {
+                       @Override
+                       public void handleEvent(Event event) {
+                               startupComplete();
+                               eventBroker.unsubscribe(this);
+                       }
+               });
+
                // lcs.changeApplicationLocale(Locale.FRENCH);
                return true;
        }
 
        @PreSave
        void destroy() {
-               //logout();
+               // logout();
        }
 
        @Override
@@ -65,8 +101,7 @@ public class CmsLoginLifecycle implements CmsView {
 
        @Override
        public void navigateTo(String state) {
-               // TODO Auto-generated method stub
-
+               browserNavigation.pushState(state, state);
        }
 
        @Override
@@ -97,13 +132,14 @@ public class CmsLoginLifecycle implements CmsView {
 
        @Override
        public void exception(Throwable e) {
-               log.error("Unexpected exception in Eclipse 4 RAP", e);
+               String msg = "Unexpected exception in Eclipse 4 RAP";
+               log.error(msg, e);
+               CmsFeedback.show(msg, e);
        }
 
        @Override
        public CmsImageManager getImageManager() {
-               // TODO Auto-generated method stub
-               return null;
+               throw new UnsupportedOperationException();
        }
 
        protected Subject getSubject() {
@@ -115,4 +151,21 @@ public class CmsLoginLifecycle implements CmsView {
                return CurrentUser.isAnonymous(getSubject());
        }
 
+       // CALLBACKS
+       protected void startupComplete() {
+       }
+
+       protected void stateChanged() {
+
+       }
+
+       // GETTERS
+       protected BrowserNavigation getBrowserNavigation() {
+               return browserNavigation;
+       }
+
+       protected String getState() {
+               return state;
+       }
+
 }