Edit connector wizard

[gpl/argeo-slc.git] / plugins / org.argeo.slc.akb.ui / src / main / java / org / argeo / slc / akb / ui / providers / TemplatesTreeContentProvider.java

diff --git a/plugins/org.argeo.slc.akb.ui/src/main/java/org/argeo/slc/akb/ui/providers/TemplatesTreeContentProvider.java b/plugins/org.argeo.slc.akb.ui/src/main/java/org/argeo/slc/akb/ui/providers/TemplatesTreeContentProvider.java
index 33571446fe98114077edb06771382b490f6d6ef5..9fe2df1ccccddcf63da447090fa14c5bf7e0afcd 100644 (file)
--- a/plugins/org.argeo.slc.akb.ui/src/main/java/org/argeo/slc/akb/ui/providers/TemplatesTreeContentProvider.java
+++ b/plugins/org.argeo.slc.akb.ui/src/main/java/org/argeo/slc/akb/ui/providers/TemplatesTreeContentProvider.java
@@ -15,23 +15,27 @@
  */
 package org.argeo.slc.akb.ui.providers;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import javax.jcr.Node;
+import javax.jcr.NodeIterator;
 import javax.jcr.RepositoryException;
 
-import org.argeo.jcr.JcrUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.argeo.slc.akb.AkbException;
+import org.argeo.slc.akb.AkbTypes;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.Viewer;
 
-/** Basic content provider for a tree of AKB environment templates */
+/** Basic content provider for a tree of active AKB environments */
 public class TemplatesTreeContentProvider implements ITreeContentProvider {
+       private final static Log log = LogFactory
+                       .getLog(TemplatesTreeContentProvider.class);
 
        /**
         * @param parent
-        *            Pass current user home as parameter
-        * 
         */
        public Object[] getElements(Object parent) {
                if (parent instanceof Object[])
@@ -42,7 +46,23 @@ public class TemplatesTreeContentProvider implements ITreeContentProvider {
 
        public Object getParent(Object child) {
                try {
-                       return ((Node) child).getParent();
+                       Node node = (Node) child;
+
+                       // Manual sanity check to avoid exception when trying to refresh an
+                       // element that displays a node which has been removed
+                       try {
+                               String id = node.getIdentifier();
+                               node.getSession().getNodeByIdentifier(id);
+                       } catch (Exception e) {
+                               log.warn("Trying to refresh an unexisting node");
+                               return null;
+                       }
+
+                       if (node.getDepth() == 0)
+                               return null;
+                       else
+                               return node.getParent();
+
                } catch (RepositoryException e) {
                        throw new AkbException("Error while getting parent node", e);
                }
@@ -50,8 +70,15 @@ public class TemplatesTreeContentProvider implements ITreeContentProvider {
 
        public Object[] getChildren(Object parent) {
                try {
-                       List<Node> nodes = JcrUtils.nodeIteratorToList(((Node) parent)
-                                       .getNodes());
+                       NodeIterator ni = ((Node) parent).getNodes();
+                       List<Node> nodes = new ArrayList<Node>();
+
+                       while (ni.hasNext()) {
+                               Node currNode = ni.nextNode();
+                               if (!currNode.isNodeType(AkbTypes.AKB_CONNECTOR_FOLDER))
+                                       nodes.add(currNode);
+                       }
+
                        return nodes.toArray();
                } catch (RepositoryException e) {
                        throw new AkbException("Error while getting children nodes", e);
@@ -60,6 +87,7 @@ public class TemplatesTreeContentProvider implements ITreeContentProvider {
 
        public boolean hasChildren(Object parent) {
                try {
+                       // refine this
                        return ((Node) parent).hasNodes();
                } catch (RepositoryException e) {
                        throw new AkbException("Error while checking children nodes", e);
@@ -72,4 +100,7 @@ public class TemplatesTreeContentProvider implements ITreeContentProvider {
 
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }
+       
+       
+       
 }
\ No newline at end of file