Jcr Explorer refactoring and packaging

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

diff --git a/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/GenericNodeDoubleClickListener.java b/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/GenericNodeDoubleClickListener.java
new file mode 100644 (file)
index 0000000..708c024
--- /dev/null
+++ b/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/GenericNodeDoubleClickListener.java
@@ -0,0 +1,111 @@
+package org.argeo.jcr.ui.explorer.utils;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.nodetype.NodeType;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.ArgeoException;
+import org.argeo.eclipse.ui.specific.FileHandler;
+import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
+import org.argeo.jcr.ui.explorer.browser.NodeContentProvider;
+import org.argeo.jcr.ui.explorer.browser.RepositoryNode;
+import org.argeo.jcr.ui.explorer.browser.WorkspaceNode;
+import org.argeo.jcr.ui.explorer.editors.GenericNodeEditor;
+import org.argeo.jcr.ui.explorer.editors.GenericNodeEditorInput;
+import org.eclipse.jface.viewers.DoubleClickEvent;
+import org.eclipse.jface.viewers.IDoubleClickListener;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.ui.PartInitException;
+
+/**
+ * 
+ * Centralizes the management of double click on a NodeTreeViewer
+ * 
+ */
+public class GenericNodeDoubleClickListener implements IDoubleClickListener {
+
+       private final static Log log = LogFactory
+                       .getLog(GenericNodeDoubleClickListener.class);
+
+       private TreeViewer nodeViewer;
+       private JcrFileProvider jfp;
+       private FileHandler fileHandler;
+
+       public GenericNodeDoubleClickListener(TreeViewer nodeViewer) {
+               this.nodeViewer = nodeViewer;
+               jfp = new JcrFileProvider();
+               fileHandler = new FileHandler(jfp);
+       }
+
+       public void doubleClick(DoubleClickEvent event) {
+               if (event.getSelection() == null || event.getSelection().isEmpty())
+                       return;
+               Object obj = ((IStructuredSelection) event.getSelection())
+                               .getFirstElement();
+               if (obj instanceof RepositoryNode) {
+                       RepositoryNode rpNode = (RepositoryNode) obj;
+                       rpNode.login();
+                       nodeViewer.refresh(obj);
+               } else if (obj instanceof WorkspaceNode) {
+                       ((WorkspaceNode) obj).login();
+                       nodeViewer.refresh(obj);
+               } else if (obj instanceof Node) {
+                       Node node = (Node) obj;
+                       try {
+                               if (node.isNodeType(NodeType.NT_FILE)) {
+                                       // double click on a file node triggers its opening
+                                       String name = node.getName();
+                                       String id = node.getIdentifier();
+
+                                       // For the file provider to be able to browse the
+                                       // various
+                                       // repository.
+                                       // TODO : enhanced that.
+                                       ITreeContentProvider itcp = (ITreeContentProvider) nodeViewer
+                                                       .getContentProvider();
+                                       jfp.setRootNodes((Object[]) itcp.getElements(null));
+                                       fileHandler.openFile(name, id);
+                               }
+                               // File or not, we always open the corresponding node Editor.
+                               String repositoryAlias = getRepositoryAlias(obj);
+                               String workspaceName = node.getSession().getWorkspace()
+                                               .getName();
+                               String path = node.getPath();
+
+                               if (log.isDebugEnabled()) {
+                                       log.debug("RepoAlias: " + repositoryAlias + " - WS Name: "
+                                                       + workspaceName + " - path:" + path);
+                               }
+                               GenericNodeEditorInput gnei = new GenericNodeEditorInput(
+                                               repositoryAlias, workspaceName, path);
+
+                               GenericNodeEditor gne = (GenericNodeEditor) JcrExplorerPlugin
+                                               .getDefault().getWorkbench().getActiveWorkbenchWindow()
+                                               .getActivePage().openEditor(gnei, GenericNodeEditor.ID);
+                               gne.setCurrentNode(node);
+
+                       } catch (RepositoryException re) {
+                               throw new ArgeoException(
+                                               "Repository error while getting node info", re);
+                       } catch (PartInitException pie) {
+                               throw new ArgeoException(
+                                               "Unexepected exception while opening node editor", pie);
+                       }
+               }
+       }
+
+       // Enhance this method
+       private String getRepositoryAlias(Object element) {
+               NodeContentProvider ncp = (NodeContentProvider) nodeViewer
+                               .getContentProvider();
+               Object parent = element;
+               while (!(ncp.getParent(parent) instanceof RepositoryNode)
+                               && parent != null)
+                       parent = ncp.getParent(parent);
+               return parent == null ? null : ((RepositoryNode) parent).getName();
+       }
+}