org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/jcr/parts/ChildNodesPage.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.cms.ui.workbench.internal.jcr.parts;
  17
  18 import javax.jcr.Node;
  19
  20 import org.argeo.cms.ui.jcr.JcrTreeContentProvider;
  21 import org.argeo.cms.ui.jcr.NodeLabelProvider;
  22 import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
  23 import org.argeo.cms.ui.workbench.jcr.DefaultNodeEditor;
  24 import org.argeo.eclipse.ui.EclipseUiException;
  25 import org.argeo.eclipse.ui.EclipseUiUtils;
  26 import org.eclipse.jface.viewers.DoubleClickEvent;
  27 import org.eclipse.jface.viewers.IDoubleClickListener;
  28 import org.eclipse.jface.viewers.IStructuredSelection;
  29 import org.eclipse.jface.viewers.ITreeContentProvider;
  30 import org.eclipse.jface.viewers.TreeViewer;
  31 import org.eclipse.swt.SWT;
  32 import org.eclipse.swt.layout.GridLayout;
  33 import org.eclipse.swt.widgets.Composite;
  34 import org.eclipse.swt.widgets.Tree;
  35 import org.eclipse.ui.PartInitException;
  36 import org.eclipse.ui.forms.IManagedForm;
  37 import org.eclipse.ui.forms.editor.FormEditor;
  38 import org.eclipse.ui.forms.editor.FormPage;
  39 import org.eclipse.ui.forms.widgets.ScrolledForm;
  40
  41 /** List all children of the current node */
  42 public class ChildNodesPage extends FormPage {
  43         // private final static Log log = LogFactory.getLog(ChildNodesPage.class);
  44
  45         private Node currentNode;
  46
  47         private JcrTreeContentProvider nodeContentProvider;
  48         private TreeViewer nodesViewer;
  49
  50         public ChildNodesPage(FormEditor editor, String title, Node currentNode) {
  51                 super(editor, "ChildNodesPage", title);
  52                 this.currentNode = currentNode;
  53         }
  54
  55         protected void createFormContent(IManagedForm managedForm) {
  56                 try {
  57                         ScrolledForm form = managedForm.getForm();
  58                         form.setText(WorkbenchUiPlugin.getMessage("childNodesPageTitle"));
  59                         Composite innerBox = form.getBody();
  60                         // Composite innerBox = new Composite(body, SWT.NO_FOCUS);
  61                         GridLayout twt = new GridLayout(1, false);
  62                         twt.marginWidth = twt.marginHeight = 5;
  63                         innerBox.setLayout(twt);
  64                         if (!currentNode.hasNodes()) {
  65                                 managedForm.getToolkit().createLabel(innerBox, WorkbenchUiPlugin.getMessage("warningNoChildNode"));
  66                         } else {
  67                                 nodeContentProvider = new JcrTreeContentProvider();
  68                                 nodesViewer = createNodeViewer(innerBox, nodeContentProvider);
  69                                 nodesViewer.setInput(currentNode);
  70                         }
  71                 } catch (Exception e) {
  72                         throw new EclipseUiException("Cannot create children page for " + currentNode, e);
  73                 }
  74         }
  75
  76         protected TreeViewer createNodeViewer(Composite parent, final ITreeContentProvider nodeContentProvider) {
  77
  78                 final TreeViewer tmpNodeViewer = new TreeViewer(parent, SWT.BORDER);
  79                 Tree tree = tmpNodeViewer.getTree();
  80                 tree.setLinesVisible(true);
  81                 tmpNodeViewer.getTree().setLayoutData(EclipseUiUtils.fillAll());
  82                 tmpNodeViewer.setContentProvider(nodeContentProvider);
  83                 tmpNodeViewer.setLabelProvider(new NodeLabelProvider());
  84                 tmpNodeViewer.addDoubleClickListener(new DClickListener());
  85                 return tmpNodeViewer;
  86         }
  87
  88         public class DClickListener implements IDoubleClickListener {
  89
  90                 public void doubleClick(DoubleClickEvent event) {
  91                         if (event.getSelection() == null || event.getSelection().isEmpty())
  92                                 return;
  93                         Object obj = ((IStructuredSelection) event.getSelection()).getFirstElement();
  94                         if (obj instanceof Node) {
  95                                 Node node = (Node) obj;
  96                                 try {
  97                                         GenericNodeEditorInput gnei = new GenericNodeEditorInput(node);
  98                                         WorkbenchUiPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getActivePage()
  99                                                         .openEditor(gnei, DefaultNodeEditor.ID);
 100                                 } catch (PartInitException pie) {
 101                                         throw new EclipseUiException("Cannot open editor for " + node, pie);
 102                                 }
 103                         }
 104                 }
 105         }
 106 }