Example usage for org.eclipse.jface.viewers AbstractTreeViewer setSelection

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers AbstractTreeViewer setSelection.

Prototype

protected abstract void setSelection(List<Item> items);

Source Link

Document

Sets the selection to the given list of items.

Usage

From source file:org.eclipse.jubula.client.ui.rcp.businessprocess.UINodeBP.java

License:Open Source License

/**
 * Tries to select the given node in the given TreeViewer.
 * /*from   w w w  .j a v a2  s  . c  o  m*/
 * @param o
 *            The Object to select
 * @param tv
 *            the TreeViewer
 * @return the object which should be selected if found in tree viewer, null
 *         otherwise
 */
public static Object selectNodeInTree(Object o, AbstractTreeViewer tv) {
    ISelection oldSelection = tv.getSelection();
    if (o != null) {
        tv.refresh();
        tv.expandToLevel(o, 0);
        tv.reveal(o);
        StructuredSelection newSelection = new StructuredSelection(o);
        tv.setSelection(newSelection);
        InteractionEventDispatcher.getDefault().fireProgammableSelectionEvent(newSelection);
        ISelection currSelection = tv.getSelection();
        if (currSelection instanceof StructuredSelection) {
            Object currObj = ((StructuredSelection) currSelection).getFirstElement();
            IElementComparer comparer = tv.getComparer();
            if (comparer != null) {
                if (comparer.equals(o, currObj)) {
                    return o;
                }
            } else {
                if (o.equals(currObj)) {
                    return o;
                }
            }
        }
    }
    tv.setSelection(oldSelection);
    return null;
}

---

From source file:org.fusesource.ide.foundation.ui.util.Nodes.java

License:Open Source License

public static void selectPath(Viewer viewer, Node root, LinkedList<String> path) {
    List<Node> nodes = new ArrayList<Node>();
    Node node = root;//  ww w  .ja  v a  2s.  c o m
    nodes.add(node);
    for (String text : path) {
        node = findChild(node, text);
        if (node == null) {
            break;
        } else {
            nodes.add(node);
        }
    }
    if (node != null && viewer instanceof AbstractTreeViewer) {
        AbstractTreeViewer tv = (AbstractTreeViewer) viewer;
        Object[] expandElements = nodes.toArray();
        tv.setExpandedElements(expandElements);
        /*
        TreePath[] expandedTreePaths = tv.getExpandedTreePaths();
        boolean found = false;
        if (expandElements.length > 0) {
           Object expandRoot = expandElements[0];
           for (TreePath treePath : expandedTreePaths) {
              int count = treePath.getSegmentCount();
              for (int i = 0; i < count; i++) {
          Object first = treePath.getSegment(i);
          if (first == expandRoot) {
             // TODO do we need to add the previous nodes?
             found = true;
          }
                
              }
           }
        }
        if (!found) {
           Activator.getLogger().debug("Could not find root expanded path!!");
        }
         */
        tv.setSelection(new StructuredSelection(node));
    }
}

---