/*
 * Copyright (c) 2007 BUSINESS OBJECTS SOFTWARE LIMITED
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *  
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *  
 *     * Neither the name of Business Objects nor the names of its contributors
 *       may be used to endorse or promote products derived from this software
 *       without specific prior written permission.
 *  
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


/*
 * TreeNodeHighlighter.java
 * Created: 26-Mar-2003
 * By: Rick Cameron
 */

package org.openquark.util.ui;

import java.awt.Point;

import javax.swing.tree.TreePath;


class TreeNodeHighlighter extends TreeHighlighter {
    
    private final TreePath[] savedSelectionPaths;


    /**
     * Constructor TreeNodeHighlighter
     * 
     * @param highlightTree
     */
    TreeNodeHighlighter(HighlightTree highlightTree) {
        super(highlightTree);
        
        savedSelectionPaths = highlightTree.getSelectionPaths();
    }

    /**
     * @see org.openquark.util.ui.TreeHighlighter#showHighlight(java.awt.Point)
     */
    @Override
    void showHighlight(Point point) {
        TreePath path = getTree ().getClosestPathForLocation(point.x, point.y);
        
        if (path != null) {
            getTree ().setSelectionPath(path);
        }
            
    }

    /**
     * @see org.openquark.util.ui.TreeHighlighter#eraseHighlight()
     */
    @Override
    void eraseHighlight() {
        // Is this right?
        getTree().clearSelection();
    }

    /**
     * @see org.openquark.util.ui.TreeHighlighter#restore()
     */
    @Override
    void restore() {
        getTree().setSelectionPaths(savedSelectionPaths);
    }

}