Example usage for javax.swing JTree removeTreeExpansionListener

Introduction

In this page you can find the example usage for javax.swing JTree removeTreeExpansionListener.

Prototype

public void removeTreeExpansionListener(TreeExpansionListener tel) 

Source Link

Document

Removes a listener for TreeExpansion events.

Usage

From source file:org.kepler.objectmanager.library.LibraryManager.java

/**
 * Refresh and redraw any JTrees that the LibraryManager is keeping track
 * of./*from w ww. ja va 2s  .c o m*/
 * 
 *@exception IllegalActionException
 *                Description of the Exception
 */
public void refreshJTrees() throws IllegalActionException {
    if (isDebugging) {
        log.debug("refresh");
    }

    // Iterate over all the registered JTrees and reset their models.
    //Iterator<WeakReference> treeItt = _trees.iterator();

    int size = _trees.size();
    int i = 0;
    while (i < size) {
        WeakReference<JTree> wf = _trees.elementAt(i);
        JTree ptree = (JTree) wf.get();
        if (ptree == null) {
            _trees.remove(wf);
            size--;
        } else {
            ptree.setModel(getTreeModel());

            // stop listening for expansion events since we are going to
            // expand the paths and do not want to modify the list
            ptree.removeTreeExpansionListener(this);

            // expand all the paths that were previously expanded
            final List<TreePath> expansions = _treeExpansionMap.get(ptree);
            for (TreePath path : expansions) {
                //System.out.println("expanding " + path);
                ptree.expandPath(path);
            }

            // start listening again for expansion events
            ptree.addTreeExpansionListener(this);

            /*
            EntityTreeModel etm = (EntityTreeModel) ptree.getModel();
                    
            // Of course this would be easier if
            // ptolemy.vergil.tree.EntityTreeModel
            // had a reload method similar to DefaultTreeModel
            // that did this for us
            // TODO etm.reload()
                    
            ArrayList<NamedObj> path = new ArrayList<NamedObj>();
            path.add(0, (NamedObj) etm.getRoot());
            TreePath tp = new TreePath(path);
            etm.valueForPathChanged(tp, etm.getRoot());
            */
            i++;
        }
    }
}

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