server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/editors/ChildNodesPage.java

   1 package org.argeo.jcr.ui.explorer.editors;
   2
   3 import javax.jcr.Node;
   4
   5 import org.apache.commons.logging.Log;
   6 import org.apache.commons.logging.LogFactory;
   7 import org.argeo.jcr.ui.explorer.browser.NodeLabelProvider;
   8 import org.argeo.jcr.ui.explorer.browser.SingleNodeAsTreeContentProvider;
   9 import org.argeo.jcr.ui.explorer.utils.GenericNodeDoubleClickListener;
  10 import org.eclipse.jface.viewers.ITreeContentProvider;
  11 import org.eclipse.jface.viewers.TreeViewer;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.layout.GridData;
  14 import org.eclipse.swt.layout.GridLayout;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.ui.forms.IManagedForm;
  17 import org.eclipse.ui.forms.editor.FormEditor;
  18 import org.eclipse.ui.forms.editor.FormPage;
  19 import org.eclipse.ui.forms.widgets.ScrolledForm;
  20
  21 /**
  22  * List all childs of the current node and brings some browsing capabilities
  23  * accross the repository
  24  */
  25 public class ChildNodesPage extends FormPage {
  26         private final static Log log = LogFactory.getLog(ChildNodesPage.class);
  27
  28         // business objects
  29         private Node currentNode;
  30
  31         // this page UI components
  32         private SingleNodeAsTreeContentProvider nodeContentProvider;
  33         private TreeViewer nodesViewer;
  34
  35         public ChildNodesPage(FormEditor editor, String title, Node currentNode) {
  36                 super(editor, "ChildNodesPage", title);
  37                 this.currentNode = currentNode;
  38         }
  39
  40         protected void createFormContent(IManagedForm managedForm) {
  41                 try {
  42                         ScrolledForm form = managedForm.getForm();
  43                         Composite body = form.getBody();
  44                         GridLayout twt = new GridLayout(1, false);
  45                         twt.marginWidth = twt.marginHeight = 0;
  46                         body.setLayout(twt);
  47
  48                         nodeContentProvider = new SingleNodeAsTreeContentProvider();
  49                         nodesViewer = createNodeViewer(body, nodeContentProvider);
  50                         nodesViewer.setInput(currentNode);
  51                 } catch (Exception e) {
  52                         e.printStackTrace();
  53                 }
  54         }
  55
  56         protected TreeViewer createNodeViewer(Composite parent,
  57                         final ITreeContentProvider nodeContentProvider) {
  58
  59                 final TreeViewer tmpNodeViewer = new TreeViewer(parent, SWT.MULTI);
  60
  61                 tmpNodeViewer.getTree().setLayoutData(
  62                                 new GridData(SWT.FILL, SWT.FILL, true, true));
  63
  64                 tmpNodeViewer.setContentProvider(nodeContentProvider);
  65                 tmpNodeViewer.setLabelProvider(new NodeLabelProvider());
  66                 tmpNodeViewer
  67                                 .addDoubleClickListener(new GenericNodeDoubleClickListener(
  68                                                 tmpNodeViewer));
  69                 return tmpNodeViewer;
  70         }
  71 }