Fix Javadoc issue
[gpl/argeo-suite.git] / org.argeo.app.ui / src / org / argeo / app / ui / SuiteApp.java
index 0d898f5e22b0dbc6bb1239d3434bd67125e11f73..a8b9b2e26901c966a4ead4d6b8b4b3ed026516ba 100644 (file)
@@ -1,6 +1,6 @@
 package org.argeo.app.ui;
 
-import static org.argeo.api.cms.CmsView.CMS_VIEW_UID_PROPERTY;
+import static org.argeo.api.cms.ux.CmsView.CMS_VIEW_UID_PROPERTY;
 
 import java.util.Collections;
 import java.util.HashMap;
@@ -14,44 +14,45 @@ import java.util.TreeMap;
 import java.util.TreeSet;
 
 import javax.jcr.Node;
-import javax.jcr.Repository;
 import javax.jcr.RepositoryException;
-import javax.jcr.Session;
 import javax.jcr.nodetype.NodeType;
-import javax.naming.InvalidNameException;
-import javax.naming.ldap.LdapName;
+import javax.xml.namespace.QName;
 
+import org.argeo.api.acr.Content;
+import org.argeo.api.acr.ContentRepository;
+import org.argeo.api.acr.spi.ProvidedSession;
+import org.argeo.api.cms.CmsConstants;
+import org.argeo.api.cms.CmsEventSubscriber;
+import org.argeo.api.cms.CmsLog;
 import org.argeo.api.cms.CmsSession;
-import org.argeo.api.cms.CmsTheme;
-import org.argeo.api.cms.CmsUi;
-import org.argeo.api.cms.CmsView;
+import org.argeo.api.cms.ux.CmsTheme;
+import org.argeo.api.cms.ux.CmsUi;
+import org.argeo.api.cms.ux.CmsView;
 import org.argeo.app.api.EntityConstants;
 import org.argeo.app.api.EntityNames;
 import org.argeo.app.api.EntityType;
 import org.argeo.app.api.RankedObject;
-import org.argeo.app.core.SuiteUtils;
-import org.argeo.api.cms.CmsLog;
 import org.argeo.cms.AbstractCmsApp;
 import org.argeo.cms.CmsUserManager;
 import org.argeo.cms.LocaleUtils;
 import org.argeo.cms.Localized;
+import org.argeo.cms.acr.ContentUtils;
 import org.argeo.cms.jcr.CmsJcrUtils;
+import org.argeo.cms.jcr.acr.JcrContent;
 import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.swt.acr.SwtUiProvider;
 import org.argeo.cms.swt.dialogs.CmsFeedback;
-import org.argeo.cms.ui.CmsUiProvider;
+import org.argeo.cms.ux.CmsUxUtils;
 import org.argeo.eclipse.ui.specific.UiContext;
-import org.argeo.jcr.Jcr;
 import org.argeo.jcr.JcrException;
 import org.argeo.util.LangUtils;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.widgets.Composite;
 import org.osgi.framework.Constants;
-import org.osgi.service.event.Event;
-import org.osgi.service.event.EventHandler;
 import org.osgi.service.useradmin.User;
 
 /** The Argeo Suite App. */
-public class SuiteApp extends AbstractCmsApp implements EventHandler {
+public class SuiteApp extends AbstractCmsApp implements CmsEventSubscriber {
        private final static CmsLog log = CmsLog.getLog(SuiteApp.class);
 
        public final static String PUBLIC_BASE_PATH_PROPERTY = "publicBasePath";
@@ -70,18 +71,18 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
        private String adminLeadPanePid;
        private String loginScreenPid;
 
-
        private String defaultUiName = "app";
        private String adminUiName = "admin";
-       
+
        // FIXME such default names make refactoring more dangerous
        @Deprecated
        private String defaultLayerPid = "argeo.suite.ui.dashboardLayer";
        @Deprecated
        private String defaultThemeId = "org.argeo.app.theme.default";
 
-       private Map<String, RankedObject<CmsUiProvider>> uiProvidersByPid = Collections.synchronizedMap(new HashMap<>());
-       private Map<String, RankedObject<CmsUiProvider>> uiProvidersByType = Collections.synchronizedMap(new HashMap<>());
+       // TODO use QName as key for byType
+       private Map<String, RankedObject<SwtUiProvider>> uiProvidersByPid = Collections.synchronizedMap(new HashMap<>());
+       private Map<String, RankedObject<SwtUiProvider>> uiProvidersByType = Collections.synchronizedMap(new HashMap<>());
        private Map<String, RankedObject<SuiteLayer>> layersByPid = Collections.synchronizedSortedMap(new TreeMap<>());
        private Map<String, RankedObject<SuiteLayer>> layersByType = Collections.synchronizedSortedMap(new TreeMap<>());
 
@@ -90,10 +91,18 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
        // TODO make more optimal or via CmsSession/CmsView
        private Map<String, SuiteUi> managedUis = new HashMap<>();
 
-       private Repository repository;
+       // ACR
+       private ContentRepository contentRepository;
+//     private JcrContentProvider jcrContentProvider;
 
+       // JCR
+//     private Repository repository;
 
        public void init(Map<String, Object> properties) {
+               for (SuiteEvent event : SuiteEvent.values()) {
+                       getCmsContext().getCmsEventBus().addEventSubscriber(event.topic(), this);
+               }
+
                if (log.isDebugEnabled())
                        log.info("Argeo Suite App started");
 
@@ -124,8 +133,9 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
 
        public void destroy(Map<String, Object> properties) {
                for (SuiteUi ui : managedUis.values())
-                       if (!ui.isDisposed())
-                               ui.dispose();
+                       if (!ui.isDisposed()) {
+                               ui.getDisplay().syncExec(() -> ui.dispose());
+                       }
                if (log.isDebugEnabled())
                        log.info("Argeo Suite App stopped");
 
@@ -141,8 +151,9 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
 
        @Override
        public CmsUi initUi(Object parent) {
-               Composite uiParent =(Composite) parent;
-               String uiName = uiParent.getData(UI_NAME_PROPERTY) != null ? uiParent.getData(UI_NAME_PROPERTY).toString() : null;
+               Composite uiParent = (Composite) parent;
+               String uiName = uiParent.getData(UI_NAME_PROPERTY) != null ? uiParent.getData(UI_NAME_PROPERTY).toString()
+                               : null;
                CmsView cmsView = CmsSwtUtils.getCmsView(uiParent);
                if (cmsView == null)
                        throw new IllegalStateException("No CMS view is registered.");
@@ -162,22 +173,28 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
 
        @Override
        public String getThemeId(String uiName) {
+               String themeId = System.getProperty("org.argeo.app.theme.default");
+               if (themeId != null)
+                       return themeId;
                return defaultThemeId;
        }
 
        @Override
        public void refreshUi(CmsUi cmsUi, String state) {
                try {
-                       Node context = null;
+                       Content context = null;
                        SuiteUi ui = (SuiteUi) cmsUi;
 
                        String uiName = Objects.toString(ui.getParent().getData(UI_NAME_PROPERTY), null);
                        if (uiName == null)
                                throw new IllegalStateException("UI name should not be null");
                        CmsView cmsView = CmsSwtUtils.getCmsView(ui);
-                       CmsUiProvider headerUiProvider = findUiProvider(headerPid);
-                       CmsUiProvider footerUiProvider = findUiProvider(footerPid);
-                       CmsUiProvider leadPaneUiProvider;
+
+                       ProvidedSession contentSession = (ProvidedSession) CmsUxUtils.getContentSession(contentRepository, cmsView);
+
+                       SwtUiProvider headerUiProvider = findUiProvider(headerPid);
+                       SwtUiProvider footerUiProvider = findUiProvider(footerPid);
+                       SwtUiProvider leadPaneUiProvider;
                        if (adminUiName.equals(uiName)) {
                                leadPaneUiProvider = findUiProvider(adminLeadPanePid);
                        } else {
@@ -192,6 +209,7 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
 
                        if (cmsView.isAnonymous() && publicBasePath == null) {// internal app, must login
                                ui.logout();
+                               ui.setLoginScreen(true);
                                if (headerUiProvider != null)
                                        refreshPart(headerUiProvider, ui.getHeader(), context);
                                ui.refreshBelowHeader(false);
@@ -203,27 +221,40 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                        } else {
                                if (LOGIN.equals(state))
                                        state = null;
+                               if (ui.isLoginScreen()) {
+//                                     if (state == null)
+//                                             state = ui.getPostLoginState();
+                                       ui.setLoginScreen(false);
+//                                     ui.setPostLoginState(null);
+                               }
                                CmsSession cmsSession = cmsView.getCmsSession();
-                               if (ui.getUserDir() == null) {
+                               if (ui.getUserDirNode() == null) {
                                        // FIXME NPE on CMSSession when logging in from anonymous
                                        if (cmsSession == null || cmsView.isAnonymous()) {
                                                assert publicBasePath != null;
-                                               ui.initSessions(getRepository(), publicBasePath);
+                                               Content userDir = contentSession
+                                                               .get(ContentUtils.SLASH + CmsConstants.SYS_WORKSPACE + publicBasePath);
+                                               ui.setUserDir(userDir);
+//                                             ui.initSessions(getRepository(), publicBasePath);
                                        } else {
-                                               Session adminSession = null;
-                                               try {
-                                                       adminSession = CmsJcrUtils.openDataAdminSession(getRepository(), null);
-                                                       Node userDir = SuiteUtils.getOrCreateCmsSessionNode(adminSession, cmsSession);
-                                                       ui.initSessions(getRepository(), userDir.getPath());
-                                               } finally {
-                                                       Jcr.logout(adminSession);
-                                               }
+//                                             Session adminSession = null;
+//                                             try {
+//                                                     adminSession = CmsJcrUtils.openDataAdminSession(getRepository(), null);
+//                                                     Node userDirNode = SuiteUtils.getOrCreateCmsSessionNode(adminSession, cmsSession);
+//                                                     Content userDir = contentSession.get(CmsConstants.SYS_WORKSPACE + userDirNode.getPath());
+//                                                     ui.setUserDir(userDir);
+////                                                   ui.initSessions(getRepository(), userDirNode.getPath());
+//                                             } finally {
+//                                                     Jcr.logout(adminSession);
+//                                             }
+                                               Content userDir = contentSession.getSessionRunDir();
+                                               ui.setUserDir(userDir);
                                        }
                                }
                                initLocale(cmsSession);
                                context = stateToNode(ui, state);
                                if (context == null)
-                                       context = ui.getUserDir();
+                                       context = ui.getUserDirNode();
 
                                if (headerUiProvider != null)
                                        refreshPart(headerUiProvider, ui.getHeader(), context);
@@ -241,7 +272,7 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                                setState(ui, state != null ? state : defaultLayerPid);
                        }
                } catch (Exception e) {
-                       CmsFeedback.show("Unexpected exception", e);
+                       CmsFeedback.error("Unexpected exception", e);
                }
        }
 
@@ -254,12 +285,12 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
 
        }
 
-       private void refreshPart(CmsUiProvider uiProvider, Composite part, Node context) {
+       private void refreshPart(SwtUiProvider uiProvider, Composite part, Content context) {
                CmsSwtUtils.clear(part);
                uiProvider.createUiPart(part, context);
        }
 
-       private CmsUiProvider findUiProvider(String pid) {
+       private SwtUiProvider findUiProvider(String pid) {
                if (!uiProvidersByPid.containsKey(pid))
                        return null;
                return uiProvidersByPid.get(pid).get();
@@ -271,59 +302,83 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                return layersByPid.get(pid).get();
        }
 
-       private <T> T findByType(Map<String, RankedObject<T>> byType, Node context) {
-               if (context == null)
+       private <T> T findByType(Map<String, RankedObject<T>> byType, Content content) {
+               if (content == null)
                        throw new IllegalArgumentException("A node should be provided");
-               try {
-                       // mixins
-                       Set<String> types = new TreeSet<>();
-                       for (NodeType mixinType : context.getMixinNodeTypes()) {
-                               String mixinTypeName = mixinType.getName();
-                               if (byType.containsKey(mixinTypeName)) {
-                                       types.add(mixinTypeName);
+
+               if (content instanceof JcrContent) {
+                       Node context = ((JcrContent) content).getJcrNode();
+                       try {
+                               // mixins
+                               Set<String> types = new TreeSet<>();
+                               for (NodeType mixinType : context.getMixinNodeTypes()) {
+                                       String mixinTypeName = mixinType.getName();
+                                       if (byType.containsKey(mixinTypeName)) {
+                                               types.add(mixinTypeName);
+                                       }
+                                       for (NodeType superType : mixinType.getDeclaredSupertypes()) {
+                                               if (byType.containsKey(superType.getName())) {
+                                                       types.add(superType.getName());
+                                               }
+                                       }
                                }
-                               for (NodeType superType : mixinType.getDeclaredSupertypes()) {
+                               // primary node type
+                               NodeType primaryType = context.getPrimaryNodeType();
+                               String primaryTypeName = primaryType.getName();
+                               if (byType.containsKey(primaryTypeName)) {
+                                       types.add(primaryTypeName);
+                               }
+                               for (NodeType superType : primaryType.getDeclaredSupertypes()) {
                                        if (byType.containsKey(superType.getName())) {
                                                types.add(superType.getName());
                                        }
                                }
-                       }
-                       // primary node type
-                       NodeType primaryType = context.getPrimaryNodeType();
-                       String primaryTypeName = primaryType.getName();
-                       if (byType.containsKey(primaryTypeName)) {
-                               types.add(primaryTypeName);
-                       }
-                       for (NodeType superType : primaryType.getDeclaredSupertypes()) {
-                               if (byType.containsKey(superType.getName())) {
-                                       types.add(superType.getName());
-                               }
-                       }
-                       // entity type
-                       if (context.isNodeType(EntityType.entity.get())) {
-                               if (context.hasProperty(EntityNames.ENTITY_TYPE)) {
-                                       String entityTypeName = context.getProperty(EntityNames.ENTITY_TYPE).getString();
-                                       if (byType.containsKey(entityTypeName)) {
-                                               types.add(entityTypeName);
+                               // entity type
+                               if (context.isNodeType(EntityType.entity.get())) {
+                                       if (context.hasProperty(EntityNames.ENTITY_TYPE)) {
+                                               String entityTypeName = context.getProperty(EntityNames.ENTITY_TYPE).getString();
+                                               if (byType.containsKey(entityTypeName)) {
+                                                       types.add(entityTypeName);
+                                               }
                                        }
                                }
-                       }
 
 //                     if (context.getPath().equals("/")) {// root node
 //                             types.add("nt:folder");
 //                     }
-                       if (CmsJcrUtils.isUserHome(context) && byType.containsKey("nt:folder")) {// home node
-                               types.add("nt:folder");
+                               if (CmsJcrUtils.isUserHome(context) && byType.containsKey("nt:folder")) {// home node
+                                       types.add("nt:folder");
+                               }
+
+                               if (types.size() == 0)
+                                       throw new IllegalArgumentException(
+                                                       "No type found for " + context + " (" + listTypes(context) + ")");
+                               String type = types.iterator().next();
+                               if (!byType.containsKey(type))
+                                       throw new IllegalArgumentException("No component found for " + context + " with type " + type);
+                               return byType.get(type).get();
+                       } catch (RepositoryException e) {
+                               throw new IllegalStateException(e);
                        }
 
-                       if (types.size() == 0)
-                               throw new IllegalArgumentException("No type found for " + context + " (" + listTypes(context) + ")");
+               } else {
+
+                       List<QName> objectClasses = content.getContentClasses();
+                       Set<String> types = new TreeSet<>();
+                       for (QName cc : objectClasses) {
+                               String type = cc.getPrefix() + ":" + cc.getLocalPart();
+                               if (byType.containsKey(type))
+                                       types.add(type);
+                       }
+                       if (types.size() == 0) {
+                               throw new IllegalArgumentException("No type found for " + content + " (" + objectClasses + ")");
+                       }
                        String type = types.iterator().next();
                        if (!byType.containsKey(type))
-                               throw new IllegalArgumentException("No component found for " + context + " with type " + type);
+                               throw new IllegalArgumentException("No component found for " + content + " with type " + type);
                        return byType.get(type).get();
-               } catch (RepositoryException e) {
-                       throw new IllegalStateException(e);
+                       // throw new UnsupportedOperationException("Content " +
+                       // content.getClass().getName() + " is not supported.");
                }
        }
 
@@ -375,7 +430,12 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                        return;
                }
                SuiteUi suiteUi = (SuiteUi) cmsUi;
-               Node node = stateToNode(suiteUi, state);
+               if (suiteUi.isLoginScreen()) {
+//                     suiteUi.setPostLoginState(state);
+                       return;
+               }
+
+               Content node = stateToNode(suiteUi, state);
                if (node == null) {
                        suiteUi.getCmsView().navigateTo(HOME_STATE);
                } else {
@@ -385,40 +445,46 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
        }
 
        // TODO move it to an internal package?
-       static String nodeToState(Node node) {
-               return '/' + Jcr.getWorkspaceName(node) + Jcr.getPath(node);
+       static String nodeToState(Content node) {
+               return node.getPath();
        }
 
-       private Node stateToNode(SuiteUi suiteUi, String state) {
+       private Content stateToNode(SuiteUi suiteUi, String state) {
                if (suiteUi == null)
                        return null;
                if (state == null || !state.startsWith("/"))
                        return null;
 
-               String path = state.substring(1);
-               String workspace;
-               if (path.equals("")) {
-                       workspace = null;
-                       path = "/";
-               } else {
-                       int index = path.indexOf('/');
-                       if (index == 0) {
-                               log.error("Cannot interpret " + state);
-//                             cmsView.navigateTo("~");
-                               return null;
-                       } else if (index > 0) {
-                               workspace = path.substring(0, index);
-                               path = path.substring(index);
-                       } else {// index<0, assuming root node
-                               workspace = path;
-                               path = "/";
-                       }
-               }
-               Session session = suiteUi.getSession(workspace);
-               if (session == null)
-                       return null;
-               Node node = Jcr.getNode(session, path);
-               return node;
+               String path = state;
+//             String path = state.substring(1);
+//             String workspace;
+//             if (path.equals("")) {
+//                     workspace = null;
+//                     path = "/";
+//             } else {
+//                     int index = path.indexOf('/');
+//                     if (index == 0) {
+//                             log.error("Cannot interpret " + state);
+////                           cmsView.navigateTo("~");
+//                             return null;
+//                     } else if (index > 0) {
+//                             workspace = path.substring(0, index);
+//                             path = path.substring(index);
+//                     } else {// index<0, assuming root node
+//                             workspace = path;
+//                             path = "/";
+//                     }
+//             }
+
+               ProvidedSession contentSession = (ProvidedSession) CmsUxUtils.getContentSession(contentRepository,
+                               suiteUi.getCmsView());
+               return contentSession.get(path);
+//             Session session = jcrContentProvider.getJcrSession(contentSession, workspace);
+////           Session session = suiteUi.getSession(workspace);
+//             if (session == null)
+//                     return null;
+//             Node node = Jcr.getNode(session, path);
+//             return node;
        }
 
        /*
@@ -426,90 +492,98 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
         */
 
        @Override
-       public void handleEvent(Event event) {
+       public void onEvent(String topic, Map<String, Object> event) {
 
                // Specific UI related events
                SuiteUi ui = getRelatedUi(event);
                if (ui == null)
                        return;
-               try {
-                       String appTitle = "";
-                       if (ui.getTitle() != null)
-                               appTitle = ui.getTitle().lead() + " - ";
+               ui.getCmsView().runAs(() -> {
+                       try {
+                               String appTitle = "";
+                               if (ui.getTitle() != null)
+                                       appTitle = ui.getTitle().lead() + " - ";
 
 //                     String currentLayerId = ui.getCurrentLayerId();
 //                     SuiteLayer currentLayer = currentLayerId != null ? layersByPid.get(currentLayerId).get() : null;
-                       if (SuiteUiUtils.isTopic(event, SuiteEvent.refreshPart)) {
-                               Node node = getNode(ui, event);
-                               if (node == null)
-                                       return;
-                               CmsUiProvider uiProvider = findByType(uiProvidersByType, node);
-                               SuiteLayer layer = findByType(layersByType, node);
-                               ui.switchToLayer(layer, node);
-                               ui.getCmsView().runAs(() -> layer.view(uiProvider, ui.getCurrentWorkArea(), node));
-                               ui.getCmsView().stateChanged(nodeToState(node), appTitle + Jcr.getTitle(node));
-                       } else if (SuiteUiUtils.isTopic(event, SuiteEvent.openNewPart)) {
-                               Node node = getNode(ui, event);
-                               if (node == null)
-                                       return;
-                               CmsUiProvider uiProvider = findByType(uiProvidersByType, node);
-                               SuiteLayer layer = findByType(layersByType, node);
-                               ui.switchToLayer(layer, node);
-                               ui.getCmsView().runAs(() -> layer.open(uiProvider, ui.getCurrentWorkArea(), node));
-                               ui.getCmsView().stateChanged(nodeToState(node), appTitle + Jcr.getTitle(node));
-                       } else if (SuiteUiUtils.isTopic(event, SuiteEvent.switchLayer)) {
-                               String layerId = get(event, SuiteEvent.LAYER);
-                               if (layerId != null) {
+                               if (SuiteUiUtils.isTopic(topic, SuiteEvent.refreshPart)) {
+                                       Content node = getNode(ui, event);
+                                       if (node == null)
+                                               return;
+                                       SwtUiProvider uiProvider = findByType(uiProvidersByType, node);
+                                       SuiteLayer layer = findByType(layersByType, node);
+                                       ui.switchToLayer(layer, node);
+                                       layer.view(uiProvider, ui.getCurrentWorkArea(), node);
+                                       ui.getCmsView().stateChanged(nodeToState(node), appTitle + CmsUxUtils.getTitle(node));
+                               } else if (SuiteUiUtils.isTopic(topic, SuiteEvent.openNewPart)) {
+                                       Content node = getNode(ui, event);
+                                       if (node == null)
+                                               return;
+                                       SwtUiProvider uiProvider = findByType(uiProvidersByType, node);
+                                       SuiteLayer layer = findByType(layersByType, node);
+                                       ui.switchToLayer(layer, node);
+                                       layer.open(uiProvider, ui.getCurrentWorkArea(), node);
+                                       ui.getCmsView().stateChanged(nodeToState(node), appTitle + CmsUxUtils.getTitle(node));
+                               } else if (SuiteUiUtils.isTopic(topic, SuiteEvent.switchLayer)) {
+                                       String layerId = get(event, SuiteEvent.LAYER);
+                                       if (layerId != null) {
 //                                     ui.switchToLayer(layerId, ui.getUserDir());
-                                       SuiteLayer suiteLayer = findLayer(layerId);
-                                       if (suiteLayer == null)
-                                               throw new IllegalArgumentException("No layer '" + layerId + "' available.");
-                                       Localized layerTitle = suiteLayer.getTitle();
-                                       // FIXME make sure we don't rebuild the work area twice
-                                       Composite workArea = ui.getCmsView().doAs(() -> ui.switchToLayer(layerId, ui.getUserDir()));
-                                       String title = null;
-                                       if (layerTitle != null)
-                                               title = layerTitle.lead();
-                                       Node nodeFromState = getNode(ui, event);
-                                       if (nodeFromState != null && nodeFromState.getPath().equals(ui.getUserDir().getPath())) {
-                                               // default layer view is forced
-                                               String state = defaultLayerPid.equals(layerId) ? "~" : layerId;
-                                               ui.getCmsView().stateChanged(state, appTitle + title);
-                                               suiteLayer.view(null, workArea, nodeFromState);
-                                       } else {
-                                               Node layerCurrentContext = suiteLayer.getCurrentContext(workArea);
-                                               if (layerCurrentContext != null) {
-                                                       // layer was already showing a context so we set the state to it
-                                                       ui.getCmsView().stateChanged(nodeToState(layerCurrentContext),
-                                                                       appTitle + Jcr.getTitle(layerCurrentContext));
+                                               SuiteLayer suiteLayer = findLayer(layerId);
+                                               if (suiteLayer == null)
+                                                       throw new IllegalArgumentException("No layer '" + layerId + "' available.");
+                                               Localized layerTitle = suiteLayer.getTitle();
+                                               // FIXME make sure we don't rebuild the work area twice
+                                               Composite workArea = ui.switchToLayer(layerId, ui.getUserDirNode());
+                                               String title = null;
+                                               if (layerTitle != null)
+                                                       title = layerTitle.lead();
+                                               Content nodeFromState = getNode(ui, event);
+                                               if (nodeFromState != null && nodeFromState.getPath().equals(ui.getUserDirNode().getPath())) {
+                                                       // default layer view is forced
+                                                       String state = defaultLayerPid.equals(layerId) ? "~" : layerId;
+                                                       ui.getCmsView().stateChanged(state, appTitle + title);
+                                                       suiteLayer.view(null, workArea, nodeFromState);
                                                } else {
-                                                       // no context was shown
-                                                       ui.getCmsView().stateChanged(layerId, appTitle + title);
+                                                       Content layerCurrentContext = suiteLayer.getCurrentContext(workArea);
+                                                       if (layerCurrentContext != null) {
+                                                               // layer was already showing a context so we set the state to it
+                                                               ui.getCmsView().stateChanged(nodeToState(layerCurrentContext),
+                                                                               appTitle + CmsUxUtils.getTitle(layerCurrentContext));
+                                                       } else {
+                                                               // no context was shown
+                                                               ui.getCmsView().stateChanged(layerId, appTitle + title);
+                                                       }
+                                               }
+                                       } else {
+                                               Content node = getNode(ui, event);
+                                               if (node != null) {
+                                                       SuiteLayer layer = findByType(layersByType, node);
+                                                       ui.switchToLayer(layer, node);
                                                }
-                                       }
-                               } else {
-                                       Node node = getNode(ui, event);
-                                       if (node != null) {
-                                               SuiteLayer layer = findByType(layersByType, node);
-                                               ui.getCmsView().runAs(() -> ui.switchToLayer(layer, node));
                                        }
                                }
+                       } catch (Exception e) {
+                               CmsFeedback.error("Cannot handle event " + topic + " " + event, e);
+//                             log.error("Cannot handle event " + event, e);
                        }
-               } catch (Exception e) {
-                       log.error("Cannot handle event " + event, e);
-//                     CmsView.getCmsView(ui).exception(e);
-               }
-
+               });
        }
 
-       private Node getNode(SuiteUi ui, Event event) {
-               String nodePath = get(event, SuiteEvent.NODE_PATH);
-               if (nodePath != null && nodePath.equals(HOME_STATE))
+       private Content getNode(SuiteUi ui, Map<String, Object> event) {
+               ProvidedSession contentSession = (ProvidedSession) CmsUxUtils.getContentSession(contentRepository,
+                               ui.getCmsView());
+
+               String path = get(event, SuiteEvent.CONTENT_PATH);
+
+//             String nodePath = get(event, SuiteEvent.NODE_PATH);
+               if (path != null && path.equals(HOME_STATE))
                        return ui.getUserDir();
-               String workspaceName = get(event, SuiteEvent.WORKSPACE);
-               Session session = ui.getSession(workspaceName);
-               Node node;
-               if (nodePath == null) {
+//             String workspace = get(event, SuiteEvent.WORKSPACE);
+
+//             Session session = jcrContentProvider.getJcrSession(contentSession, workspace);
+////           Session session = ui.getSession(workspace);
+               Content node;
+               if (path == null) {
                        // look for a user
                        String username = get(event, SuiteEvent.USERNAME);
                        if (username == null)
@@ -517,37 +591,40 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                        User user = cmsUserManager.getUser(username);
                        if (user == null)
                                return null;
-                       LdapName userDn;
-                       try {
-                               userDn = new LdapName(user.getName());
-                       } catch (InvalidNameException e) {
-                               throw new IllegalArgumentException("Badly formatted username", e);
-                       }
-                       String userNodePath = SuiteUtils.getUserNodePath(userDn);
-                       if (Jcr.itemExists(session, userNodePath))
-                               node = Jcr.getNode(session, userNodePath);
-                       else {
-                               Session adminSession = null;
-                               try {
-                                       adminSession = CmsJcrUtils.openDataAdminSession(getRepository(), workspaceName);
-                                       SuiteUtils.getOrCreateUserNode(adminSession, userDn);
-                               } finally {
-                                       Jcr.logout(adminSession);
-                               }
-                               node = Jcr.getNode(session, userNodePath);
-                       }
+                       node = ContentUtils.roleToContent(cmsUserManager, contentSession, user);
+//                     LdapName userDn;
+//                     try {
+//                             userDn = new LdapName(user.getName());
+//                     } catch (InvalidNameException e) {
+//                             throw new IllegalArgumentException("Badly formatted username", e);
+//                     }
+//                     String userNodePath = SuiteUtils.getUserNodePath(userDn);
+                       // FIXME deal with home path
+//                     return null;
+//                     if (Jcr.itemExists(session, userNodePath))
+//                             node = Jcr.getNode(session, userNodePath);
+//                     else {
+//                             Session adminSession = null;
+//                             try {
+//                                     adminSession = CmsJcrUtils.openDataAdminSession(getRepository(), workspace);
+//                                     SuiteUtils.getOrCreateUserNode(adminSession, userDn);
+//                             } finally {
+//                                     Jcr.logout(adminSession);
+//                             }
+//                             node = Jcr.getNode(session, userNodePath);
+//                     }
                } else {
-                       node = Jcr.getNode(session, nodePath);
+                       node = contentSession.get(path);
                }
                return node;
        }
 
-       private SuiteUi getRelatedUi(Event event) {
-               return managedUis.get(get(event, CMS_VIEW_UID_PROPERTY));
+       private SuiteUi getRelatedUi(Map<String, Object> eventProperties) {
+               return managedUis.get(get(eventProperties, CMS_VIEW_UID_PROPERTY));
        }
 
-       public static String get(Event event, String key) {
-               Object value = event.getProperty(key);
+       public static String get(Map<String, Object> eventProperties, String key) {
+               Object value = eventProperties.get(key);
                if (value == null)
                        return null;
 //                     throw new IllegalArgumentException("Property " + key + " must be set");
@@ -559,23 +636,24 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
         * Dependency injection.
         */
 
-       public void addUiProvider(CmsUiProvider uiProvider, Map<String, Object> properties) {
+       public void addUiProvider(SwtUiProvider uiProvider, Map<String, Object> properties) {
                if (properties.containsKey(Constants.SERVICE_PID)) {
                        String pid = (String) properties.get(Constants.SERVICE_PID);
                        RankedObject.putIfHigherRank(uiProvidersByPid, pid, uiProvider, properties);
                }
                if (properties.containsKey(EntityConstants.TYPE)) {
                        List<String> types = LangUtils.toStringList(properties.get(EntityConstants.TYPE));
-                       for (String type : types)
+                       for (String type : types) {
                                RankedObject.putIfHigherRank(uiProvidersByType, type, uiProvider, properties);
+                       }
                }
        }
 
-       public void removeUiProvider(CmsUiProvider uiProvider, Map<String, Object> properties) {
+       public void removeUiProvider(SwtUiProvider uiProvider, Map<String, Object> properties) {
                if (properties.containsKey(Constants.SERVICE_PID)) {
                        String pid = (String) properties.get(Constants.SERVICE_PID);
                        if (uiProvidersByPid.containsKey(pid)) {
-                               if (uiProvidersByPid.get(pid).equals(new RankedObject<CmsUiProvider>(uiProvider, properties))) {
+                               if (uiProvidersByPid.get(pid).equals(new RankedObject<SwtUiProvider>(uiProvider, properties))) {
                                        uiProvidersByPid.remove(pid);
                                }
                        }
@@ -584,7 +662,7 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                        List<String> types = LangUtils.toStringList(properties.get(EntityConstants.TYPE));
                        for (String type : types) {
                                if (uiProvidersByType.containsKey(type)) {
-                                       if (uiProvidersByType.get(type).equals(new RankedObject<CmsUiProvider>(uiProvider, properties))) {
+                                       if (uiProvidersByType.get(type).equals(new RankedObject<SwtUiProvider>(uiProvider, properties))) {
                                                uiProvidersByType.remove(type);
                                        }
                                }
@@ -592,6 +670,32 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                }
        }
 
+//     public void addLayer(SuiteLayer layer, Map<String, Object> properties) {
+//             if (!properties.containsKey(Constants.SERVICE_PID))
+//                     throw new IllegalArgumentException("A layer must have an ID");
+//             String pid = (String) properties.get(Constants.SERVICE_PID);
+//             List<String> types = properties.containsKey(EntityConstants.TYPE)
+//                             ? LangUtils.toStringList(properties.get(EntityConstants.TYPE))
+//                             : new ArrayList<>();
+//             if (types.isEmpty()) {
+//                     RankedObject.putIfHigherRank(layersByPid, pid, layer, properties);
+//             } else {
+//                     if (layersByPid.containsKey(pid)) {
+//                             RankedObject<SuiteLayer> current = layersByPid.get(pid);
+//                             List<String> currentTypes = current.getProperties().containsKey(EntityConstants.TYPE)
+//                                             ? LangUtils.toStringList(current.getProperties().get(EntityConstants.TYPE))
+//                                             : new ArrayList<>();
+//                             if (!types.containsAll(currentTypes)) {
+//                                     throw new IllegalArgumentException("Higher-ranked layer " + pid + " contains only types " + types
+//                                                     + ", while it must override all " + currentTypes);
+//                             }
+//                     }
+//                     RankedObject.putIfHigherRank(layersByPid, pid, layer, properties);
+//                     for (String type : types)
+//                             RankedObject.putIfHigherRank(layersByType, type, layer, properties);
+//             }
+//     }
+
        public void addLayer(SuiteLayer layer, Map<String, Object> properties) {
                if (properties.containsKey(Constants.SERVICE_PID)) {
                        String pid = (String) properties.get(Constants.SERVICE_PID);
@@ -617,7 +721,7 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                        List<String> types = LangUtils.toStringList(properties.get(EntityConstants.TYPE));
                        for (String type : types) {
                                if (layersByType.containsKey(type)) {
-                                       if (layersByType.get(type).equals(new RankedObject<CmsUiProvider>(layer, properties))) {
+                                       if (layersByType.get(type).equals(new RankedObject<SuiteLayer>(layer, properties))) {
                                                layersByType.remove(type);
                                        }
                                }
@@ -629,13 +733,24 @@ public class SuiteApp extends AbstractCmsApp implements EventHandler {
                this.cmsUserManager = cmsUserManager;
        }
 
-       public Repository getRepository() {
-               return repository;
+//     protected Repository getRepository() {
+//             return repository;
+//     }
+//
+//     public void setRepository(Repository repository) {
+//             this.repository = repository;
+//     }
+
+       protected ContentRepository getContentRepository() {
+               return contentRepository;
        }
 
-       public void setRepository(Repository repository) {
-               this.repository = repository;
+       public void setContentRepository(ContentRepository contentRepository) {
+               this.contentRepository = contentRepository;
        }
 
-       
+//     public void setJcrContentProvider(JcrContentProvider jcrContentProvider) {
+//             this.jcrContentProvider = jcrContentProvider;
+//     }
+
 }