javax.swing.event.TreeExpansionListener Java Examples

private void fireTreeExpansion (TreeExpansionEvent e, boolean expanded) {
    int size = eListeners.size();
    
    TreeExpansionListener[] listeners = new TreeExpansionListener[size];
    synchronized (this) {
        listeners = eListeners.toArray(listeners);
    }
    for (int i=0; i < listeners.length; i++) {
        if (expanded) {
            listeners[i].treeExpanded(e);
        } else {
            listeners[i].treeCollapsed(e);
        }
    }
}
 

/**
 * Maps {@code JTree.addTreeExpansionListener(TreeExpansionListener)}
 * through queue
 */
public void addTreeExpansionListener(final TreeExpansionListener treeExpansionListener) {
    runMapping(new MapVoidAction("addTreeExpansionListener") {
        @Override
        public void map() {
            ((JTree) getSource()).addTreeExpansionListener(treeExpansionListener);
        }
    });
}
 

/**
 * Maps
 * {@code JTree.removeTreeExpansionListener(TreeExpansionListener)}
 * through queue
 */
public void removeTreeExpansionListener(final TreeExpansionListener treeExpansionListener) {
    runMapping(new MapVoidAction("removeTreeExpansionListener") {
        @Override
        public void map() {
            ((JTree) getSource()).removeTreeExpansionListener(treeExpansionListener);
        }
    });
}
 

/**
 * Uninstalls all behaviors from the specified tree.
 *
 * @param tree tree to modify
 */
public static void uninstall ( final JTree tree )
{
    for ( final TreeExpansionListener listener : tree.getTreeExpansionListeners () )
    {
        if ( listener instanceof TreeSingleChildExpandBehavior )
        {
            tree.removeTreeExpansionListener ( listener );
        }
    }
}
 

/**
 * Returns whether the specified tree has any behaviors installed or not.
 *
 * @param tree tree to process
 * @return true if the specified tree has any behaviors installed, false otherwise
 */
public static boolean isInstalled ( final JTree tree )
{
    for ( final TreeExpansionListener listener : tree.getTreeExpansionListeners () )
    {
        if ( listener instanceof TreeSingleChildExpandBehavior )
        {
            return true;
        }
    }
    return false;
}
 

public void addTreeExpansionListener( TreeExpansionListener l ) {
    TreePathSupport tps = getOutline().getOutlineModel().getTreePathSupport();
    if( tps != null )
        tps.addTreeExpansionListener(l);
}
 

public void removeTreeExpansionListener( TreeExpansionListener l ) {
    TreePathSupport tps = getOutline().getOutlineModel().getTreePathSupport();
    if( tps != null )
        tps.removeTreeExpansionListener(l);
}
 

void addTreeExpansionListener(TreeExpansionListener l) {
    outlineView.addTreeExpansionListener(l);
}
 

void removeTreeExpansionListener(TreeExpansionListener l) {
    outlineView.removeTreeExpansionListener(l);
}
 

public void addTreeExpansionListener(TreeExpansionListener listener) {
    tree.addTreeExpansionListener(listener);
}
 

public void removeTreeExpansionListener(TreeExpansionListener listener) {
    tree.removeTreeExpansionListener(listener);
}
 

/** Add a TreeExpansionListener.  If the TreeWillExpandListener implements
 * ExtTreeExpansionListener, it will be notified if another 
 * TreeWillExpandListener vetoes the expansion event
 * @param l The tree expansion listener
 */
public synchronized void addTreeExpansionListener (TreeExpansionListener l) {
    eListeners.add(l);
}
 

/**
 * Remove a TreeExpansionListener.
 * @param l The tree expansion listener
 */
public synchronized void removeTreeExpansionListener (TreeExpansionListener l) {
    eListeners.remove(l);
}