/*
 * @(#)BarChart.java		0.0.3 99/08/06
 *
 * Copyright (c) 1999 by Willie Wheeler.  All rights reserved.
 */
package stats;

import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;

/**
 * @version	0.0.3 08/06/99
 * @author	Willie Wheeler
 */
public class BarChart extends Chart {
    public static final String	AUTO_SCALE_PROPERTY = "autoScale";
    public static final String	NUM_RANGE_GROUPS_PROPERTY = "numRangeGroups";

    protected boolean		autoScale;
    protected int		numRangeGroups;

    public BarChart(ContingencyTableModel model) {
	super(model);
	this.autoScale = false;
	this.numRangeGroups = 4;
	updateUI();
    }

    public BarChart(ContingencyTableModel model, int[] independentIndices) {
	super(model, independentIndices);
	this.autoScale = false;
	this.numRangeGroups = 4;
	updateUI();
    }

    public BarChart(ContingencyTableModel model,
		    int[] independentIndices,
		    int valueColumnIndex) {

	super(model, independentIndices, valueColumnIndex);
	this.autoScale = false;
	this.numRangeGroups = 4;
	updateUI();
    }

    public BarChart(ContingencyTableModel model,
		    int[] independentIndices,
		    int valueColumnIndex,
		    int[] condition) {

	super(model, independentIndices, valueColumnIndex, condition);
	this.autoScale = false;
	this.numRangeGroups = 4;
	updateUI();
    }

    public void updateUI() { setUI(UIManager.getUI(this)); }

    public String getUIClassID() { return "stats.plaf.BarChartUI"; }

    public void setAutoScale(boolean autoScale) {
	boolean oldAutoScale = this.autoScale;
	this.autoScale = autoScale;
	repaint();
	firePropertyChange(AUTO_SCALE_PROPERTY, oldAutoScale, this.autoScale);
    }

    public boolean getAutoScale() { return autoScale; }

    /**
     * Sets the number of range groups to display.  For instance, passing
     * <tt>4</tt> causes quartiles to be displayed, and passing <tt>10</tt>
     * causes deciles to be displayed.  Passing <tt>0</tt> disables the
     * display of range groups.
     *
     * @param     numRangeGroups          number of range groups
     */
    public void setNumRangeGroups(int numRangeGroups) {
	int oldNumRangeGroups = this.numRangeGroups;
	this.numRangeGroups = numRangeGroups;
	repaint();
	firePropertyChange(NUM_RANGE_GROUPS_PROPERTY,
			   oldNumRangeGroups, this.numRangeGroups);
    }

    public int getNumRangeGroups() { return numRangeGroups; }
}