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* TouchGraph LLC. Apache-Style Software License
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* Copyright (c) 2001-2002 Alexander Shapiro. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by
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* TouchGraph LLC (http://www.touchgraph.com/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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* 4. The names "TouchGraph" or "TouchGraph LLC" must not be used to endorse
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* or promote products derived from this software without prior written
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* permission. For written permission, please contact
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* 5. Products derived from this software may not be called "TouchGraph",
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* nor may "TouchGraph" appear in their name, without prior written
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* permission of alex@touchgraph.com.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL TOUCHGRAPH OR ITS CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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package com.touchgraph.graphlayout.interaction;
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import com.touchgraph.graphlayout.*;
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import com.touchgraph.graphlayout.graphelements.*;
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import java.awt.event.*;
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//import javax.swing.*;
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* @author Alexander Shapiro
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* @version 1.22-jre1.1 $Id: LocalityScroll.java,v 1.2 2002/09/23 18:45:48 ldornbusch Exp $
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public class LocalityScroll implements GraphListener {
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private Scrollbar localitySB;
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private TGPanel tgPanel;
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public LocalityScroll(TGPanel tgp) {
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localitySB = new Scrollbar(Scrollbar.HORIZONTAL, 1, 1, 0, 7);
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localitySB.setBlockIncrement(1);
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localitySB.setUnitIncrement(1);
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localitySB.addAdjustmentListener(new localityAdjustmentListener());
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tgPanel.addGraphListener(this);
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public Scrollbar getLocalitySB() {
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public int getLocalityRadius() {
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int locVal = localitySB.getValue();
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if(locVal>=6) return LocalityUtils.INFINITE_LOCALITY_RADIUS;
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public void setLocalityRadius(int radius) {
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localitySB.setValue(0);
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else if (radius <= 5) //and > 0
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localitySB.setValue(radius);
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localitySB.setValue(6);
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public void graphMoved() {} //From GraphListener interface
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public void graphReset() { localitySB.setValue(1); } //From GraphListener interface
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private class localityAdjustmentListener implements AdjustmentListener {
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public void adjustmentValueChanged(AdjustmentEvent e) {
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Node select = tgPanel.getSelect();
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if (select!=null || getLocalityRadius() == LocalityUtils.INFINITE_LOCALITY_RADIUS)
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tgPanel.setLocale(select, getLocalityRadius());
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catch (TGException ex) {
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System.out.println("Error setting locale");
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ex.printStackTrace();
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} // end com.touchgraph.graphlayout.interaction.LocalityScroll
added
removed
com/touchgraph/graphlayout/interaction/LocalityScroll.java
