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CRISTAL-iSE default/administration GUI

There is a newer version: 6.0.0

/**
 * This file is part of the CRISTAL-iSE default user interface.
 * Copyright (c) 2001-2016 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
package org.cristalise.gui.graph.controller;

import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;

import org.cristalise.gui.graph.view.GraphPanel;



public class AutoScrollController implements MouseMotionListener
{
    private GraphPanel mGraphPanel = null;


    public void setGraphPanel(GraphPanel graphPanel)
    {
        mGraphPanel = graphPanel;
        mGraphPanel.addMouseMotionListener(this);
    }


    @Override
	public void mouseDragged(MouseEvent me)
    {
        Point mousePoint = null;


        if(mGraphPanel != null)
        {
            mousePoint = me.getPoint();
            mGraphPanel.scrollRectToVisible(new Rectangle(mousePoint.x, mousePoint.y, 1, 1));
        }
    }


    @Override
	public void mouseMoved(MouseEvent me)
    {
    }
}