Package org.eclipse.jface.viewers

Examples of org.eclipse.jface.viewers.ITreeViewerListener

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                    boolean state = _treeViewer.getExpandedState(ss.getFirstElement());
                    _treeViewer.setExpandedState(ss.getFirstElement(), !state);
                }
            });

        _treeViewer.addTreeListener(new ITreeViewerListener()
            {
                public void treeExpanded(TreeExpansionEvent event)
                {
                    getSite().getShell().getDisplay().asyncExec(
                            new Runnable()
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        // create the node collapse listener. We need this listener to ensure
        // that a node is always selected. If a node is expanded and one of
        // its children is the selected node the tree will have no nodes
        // selected when the expanded node is collapsed.
        collapseListener = new ITreeViewerListener() {
            // javadoc inherited
            public void treeCollapsed(TreeExpansionEvent event) {
                // If the colapse event has resulted in nothing being selected
                // then ensure that the node that was collapsed is selected
                if (categoryTreeViewer.getSelection().isEmpty()) {
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                    boolean state = _treeViewer.getExpandedState(ss.getFirstElement());
                    _treeViewer.setExpandedState(ss.getFirstElement(), !state);
                }
            });

        _treeViewer.addTreeListener(new ITreeViewerListener()
            {
                public void treeExpanded(TreeExpansionEvent event)
                {
                    getSite().getShell().getDisplay().asyncExec(
                            new Runnable()
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                    boolean state = _treeViewer.getExpandedState(ss.getFirstElement());
                    _treeViewer.setExpandedState(ss.getFirstElement(), !state);
                }
            });

        _treeViewer.addTreeListener(new ITreeViewerListener()
            {
                public void treeExpanded(TreeExpansionEvent event)
                {
                    getSite().getShell().getDisplay().asyncExec(
                            new Runnable()
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                    boolean state = _treeViewer.getExpandedState(ss.getFirstElement());
                    _treeViewer.setExpandedState(ss.getFirstElement(), !state);
                }
            });

        _treeViewer.addTreeListener(new ITreeViewerListener()
            {
                public void treeExpanded(TreeExpansionEvent event)
                {
                    _treeViewer.setExpandedState(event.getElement(), true);
                    // Following will cause the selection event to be sent, so commented
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                    boolean state = _treeViewer.getExpandedState(ss.getFirstElement());
                    _treeViewer.setExpandedState(ss.getFirstElement(), !state);
                }
            });

        _treeViewer.addTreeListener(new ITreeViewerListener()
            {
                public void treeExpanded(TreeExpansionEvent event)
                {
                    getSite().getShell().getDisplay().asyncExec(
                            new Runnable()
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            }
        );
       
        treeViewer.addTreeListener
        (
            new ITreeViewerListener()
            {
                public void treeExpanded( final TreeExpansionEvent event )
                {
                    ignoreExpandedStateChange.set( true );
                   
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    return layout;
  }

  private static void addListenerToDisableAutoExpandOnCollapse(
      TreeViewer treeViewer) {
    treeViewer.addTreeListener(new ITreeViewerListener() {
      public void treeCollapsed(TreeExpansionEvent event) {
        disableAutoExpand(event.getTreeViewer());
      }

      public void treeExpanded(TreeExpansionEvent event) {
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        }
      }
    });

    /* Update Checks on Expand */
    fViewer.addTreeListener(new ITreeViewerListener() {
      public void treeExpanded(TreeExpansionEvent event) {
        boolean isChecked = fViewer.getChecked(event.getElement());
        if (isChecked)
          setChildsChecked((IFolderChild) event.getElement(), isChecked, false);
      }
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        fDisplayFeedButton.setEnabled(((IStructuredSelection) event.getSelection()).getFirstElement() instanceof BookMarkTask);
      }
    });

    /* Update Checks on Expand */
    fViewer.addTreeListener(new ITreeViewerListener() {
      public void treeExpanded(TreeExpansionEvent event) {
        onExpand(event);
      }

      public void treeCollapsed(TreeExpansionEvent event) {}
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