Desactivate file download by double click in the Jcr Explorer browser: RAP 2.x APIS...

[lgpl/argeo-commons.git] / server / plugins / org.argeo.jcr.ui.explorer / src / main / java / org / argeo / jcr / ui / explorer / utils / JcrUiUtils.java

diff --git a/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/JcrUiUtils.java b/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/JcrUiUtils.java
index c7287cf85b3f3ae60278e195115cb8c53af8f737..ca32113ed52f523c544c7a897aff73b3ec720e5a 100644 (file)
--- a/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/JcrUiUtils.java
+++ b/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/JcrUiUtils.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.argeo.jcr.ui.explorer.utils;
 
 import javax.jcr.Node;
@@ -5,30 +20,51 @@ import javax.jcr.RepositoryException;
 
 import org.argeo.ArgeoException;
 import org.argeo.eclipse.ui.TreeParent;
-import org.argeo.jcr.ui.explorer.model.SingleJcrNode;
-import org.argeo.jcr.ui.explorer.model.WorkspaceNode;
+import org.argeo.jcr.ui.explorer.model.RepositoriesElem;
+import org.argeo.jcr.ui.explorer.model.RepositoryElem;
+import org.argeo.jcr.ui.explorer.model.SingleJcrNodeElem;
+import org.argeo.jcr.ui.explorer.model.WorkspaceElem;
 
-/** Centralizes some useful methods to build Uis with JCR */
+/** Centralizes some useful methods to build UIs with JCR */
 public class JcrUiUtils {
 
-       /** Insure that the UI componant is not stale, refresh if needed */
+       /** Insure that the UI component is not stale, refresh if needed */
        public static void forceRefreshIfNeeded(TreeParent element) {
-               Node curNode;
+               Node curNode = null;
 
-               if (element instanceof SingleJcrNode)
-                       curNode = ((SingleJcrNode) element).getNode();
-               else if (element instanceof WorkspaceNode)
-                       curNode = ((WorkspaceNode) element).getRootNode();
-               else
-                       return;
-               // TODO implement specific methods for other cases
+               boolean doRefresh = false;
 
                try {
-                       // we mainly rely on nb of children
-                       if (element.getChildren().length == curNode.getNodes().getSize())
-                               return;
-                       else {
-                               // get rid of children of UI object
+                       if (element instanceof SingleJcrNodeElem) {
+                               curNode = ((SingleJcrNodeElem) element).getNode();
+                       } else if (element instanceof WorkspaceElem) {
+                               curNode = ((WorkspaceElem) element).getRootNode();
+                       }
+
+                       if (curNode != null
+                                       && element.getChildren().length != curNode.getNodes()
+                                                       .getSize())
+                               doRefresh = true;
+                       else if (element instanceof RepositoryElem) {
+                               RepositoryElem rn = (RepositoryElem) element;
+                               if (rn.isConnected()) {
+                                       String[] wkpNames = rn.getAccessibleWorkspaceNames();
+                                       if (element.getChildren().length != wkpNames.length)
+                                               doRefresh = true;
+                               }
+                       } else if (element instanceof RepositoriesElem) {
+                               doRefresh = true;
+                               // Always force refresh for RepositoriesElem : the condition
+                               // below does not take remote repository into account and it is
+                               // not trivial to do so.
+
+                               // RepositoriesElem rn = (RepositoriesElem) element;
+                               // if (element.getChildren().length !=
+                               // rn.getRepositoryRegister()
+                               // .getRepositories().size())
+                               // doRefresh = true;
+                       }
+                       if (doRefresh) {
                                element.clearChildren();
                                element.getChildren();
                        }
@@ -38,6 +74,14 @@ public class JcrUiUtils {
                                        re);
                }
        }
+
+       /**
+        * Insure that a model element is inline with the underlying data by
+        * cleaning the corresponding subtree and building it again.
+        */
+       public static void forceRebuild(TreeParent element) {
+               // TODO implement this method if needed.
+       }
        /**
         * Workaround to get the alias of the repository that contains the given
         * element. As we cannot browse the UI tree upward we recursively browse it