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Common Java classes to extend the InfoVis library prefuse
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package ieg.prefuse;

import java.awt.geom.Point2D;
import java.util.ArrayList;

import prefuse.Constants;
import prefuse.Display;
import prefuse.Visualization;
import prefuse.action.Action;
import prefuse.action.ActionList;
import prefuse.action.layout.AxisLayout;
import prefuse.activity.Activity;
import prefuse.util.ui.ValuedRangeModel;

/**
 * 
 * 
 * 
 * Added:          / TL

 * Modifications: 
 * 
 * 
 * @author Tim Lammarsch
 *
 */
public class RangeModelTransformationDisplay extends Display {

	protected double[] scale = new double[Constants.AXIS_COUNT];
	protected String[] relevantActionLists;
	
	/**
	 * 
	 */
	private static final long serialVersionUID = -3993382454989162781L;
	
	/**
	 * @param vis
	 */
	public RangeModelTransformationDisplay(Visualization vis,String[] relevantActionLists) {
		super(vis);
		this.relevantActionLists = relevantActionLists;
		for(int i=0; i allAxes = new ArrayList();
		allAxes.add(Constants.X_AXIS);
		allAxes.add(Constants.Y_AXIS);
		baseZoom(p,scale,allAxes,absolute);
	}
	
	public synchronized void findRelevantParameters(ArrayList axes,ArrayList rangeModels,
			ArrayList axisTypes,ArrayList minPositions,ArrayList maxPositions) {

		for(String iKey : relevantActionLists) {
			Activity iAc = m_vis.getAction(iKey);
			if (iAc instanceof ActionList) {
				for (int i=0; i<((ActionList)iAc).size(); i++) {
					Action iAc2  = ((ActionList)iAc).get(i);
					if(iAc2 instanceof AxisLayout && axes.contains(((AxisLayout)iAc2).getAxis())) {
						if (!rangeModels.contains(((AxisLayout)iAc2).getRangeModel())) {
							rangeModels.add(((AxisLayout)iAc2).getRangeModel());
							axisTypes.add(((AxisLayout)iAc2).getAxis());
							minPositions.add(((AxisLayout)iAc2).getAxis() == Constants.X_AXIS ? ((AxisLayout)iAc2).getLayoutBounds().getMinX() : ((AxisLayout)iAc2).getLayoutBounds().getMinY());
							maxPositions.add(((AxisLayout)iAc2).getAxis() == Constants.X_AXIS ? ((AxisLayout)iAc2).getLayoutBounds().getMaxX() : ((AxisLayout)iAc2).getLayoutBounds().getMaxY());
						}
					} else if(iAc2 instanceof RangeModelTransformationProvider) {
						for(int iAx : ((RangeModelTransformationProvider)iAc2).getAxes()) {
							if (!rangeModels.contains(((RangeModelTransformationProvider)iAc2).getRangeModel(iAx))) {
								rangeModels.add(((RangeModelTransformationProvider)iAc2).getRangeModel(iAx));
								axisTypes.add(iAx);
								minPositions.add(((RangeModelTransformationProvider)iAc2).getMinPosition(iAx));
								maxPositions.add(((RangeModelTransformationProvider)iAc2).getMaxPosition(iAx));
							}
						}
					}
				}
			}				
		}
	}
	
	public synchronized void baseZoom(final Point2D p, double scale,ArrayList axes,boolean absolute) {		
		ArrayList rangeModels = new ArrayList();
		ArrayList axisTypes = new ArrayList();
		ArrayList minPositions = new ArrayList();
		ArrayList maxPositions = new ArrayList();
		
		findRelevantParameters(axes,rangeModels,axisTypes,minPositions,maxPositions);
		
		for(int i=0; i allAxes = new ArrayList();
		allAxes.add(Constants.X_AXIS);
		allAxes.add(Constants.Y_AXIS);
		basePan(dx,dy,allAxes);
	}
    
    public synchronized void basePan(double dx, double dy,ArrayList axes) {
		ArrayList rangeModels = new ArrayList();
		ArrayList axisTypes = new ArrayList();
		ArrayList minPositions = new ArrayList();
		ArrayList maxPositions = new ArrayList();
		
		findRelevantParameters(axes,rangeModels,axisTypes,minPositions,maxPositions);
    	
		for(int i=0; i