Example usage for javax.swing.event TreeExpansionEvent TreeExpansionEvent

Introduction

In this page you can find the example usage for javax.swing.event TreeExpansionEvent TreeExpansionEvent.

Prototype

public TreeExpansionEvent(Object source, TreePath path) 

Source Link

Document

Constructs a TreeExpansionEvent object.

Usage

From source file:org.wings.STree.java

/**
 * Notifies all listeners that have registered interest for
 * notification on this event type.  The event instance
 * is lazily created using the <code>path</code> parameter.
 *
 * @param path the <code>TreePath</code> indicating the node that was
 *             expanded/*from  ww w .j ava2s  .  c o  m*/
 * @see EventListenerList
 */
public void fireTreeWillExpand(TreePath path, boolean expand) throws ExpandVetoException {

    // Guaranteed to return a non-null array
    Object[] listeners = getListenerList();
    TreeExpansionEvent e = null;
    // Process the listeners last to first, notifying
    // those that are interested in this event
    for (int i = listeners.length - 2; i >= 0; i -= 2) {
        if (listeners[i] == TreeWillExpandListener.class) {
            // Lazily create the event:
            if (e == null)
                e = new TreeExpansionEvent(this, path);

            if (expand) {
                ((TreeWillExpandListener) listeners[i + 1]).treeWillExpand(e);
            } else {
                ((TreeWillExpandListener) listeners[i + 1]).treeWillCollapse(e);
            }
        }
    }
}

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From source file:org.wings.STree.java

/**
 * Notify all listeners that have registered interest for
 * notification on this event type.  The event instance
 * is lazily created using the parameters passed into
 * the fire method./*from  w ww  . j  av a 2  s  .  c  o  m*/
 *
 * @param path the TreePath indicating the node that was expanded
 * @see EventListenerList
 */
protected void fireTreeExpanded(TreePath path) {
    fireTreeExpansionEvent(new TreeExpansionEvent(this, path), true);
}

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From source file:org.wings.STree.java

/**
 * Notify all listeners that have registered interest for
 * notification on this event type.  The event instance
 * is lazily created using the parameters passed into
 * the fire method.//  w  ww .j  a  v a 2 s  .  com
 *
 * @param path the TreePath indicating the node that was collapsed
 * @see EventListenerList
 */
public void fireTreeCollapsed(TreePath path) {
    fireTreeExpansionEvent(new TreeExpansionEvent(this, path), false);
}

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