jfreechart example source code file (CategoryTick.java)

This example jfreechart source code file (CategoryTick.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - jfreechart tags/keywords

categorytick, categorytick, comparable, comparable, textanchor, textblock, textblock, textblockanchor, textblockanchor, tick

The jfreechart CategoryTick.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * 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 2.1 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; without 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -----------------
 * CategoryTick.java
 * -----------------
 * (C) Copyright 2003-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 07-Nov-2003 : Version 1 (DG);
 * 13-May-2004 : Added equals() method (DG);
 *
 */

package org.jfree.chart.axis;

import org.jfree.text.TextBlock;
import org.jfree.text.TextBlockAnchor;
import org.jfree.ui.TextAnchor;
import org.jfree.util.ObjectUtilities;

/**
 * A tick for a {@link CategoryAxis}.
 */
public class CategoryTick extends Tick {

    /** The category. */
    private Comparable category;

    /** The label. */
    private TextBlock label;

    /** The label anchor. */
    private TextBlockAnchor labelAnchor;

    /**
     * Creates a new tick.
     *
     * @param category  the category.
     * @param label  the label.
     * @param labelAnchor  the label anchor.
     * @param rotationAnchor  the rotation anchor.
     * @param angle  the rotation angle (in radians).
     */
    public CategoryTick(Comparable category,
                        TextBlock label,
                        TextBlockAnchor labelAnchor,
                        TextAnchor rotationAnchor,
                        double angle) {

        super("", TextAnchor.CENTER, rotationAnchor, angle);
        this.category = category;
        this.label = label;
        this.labelAnchor = labelAnchor;

    }

    /**
     * Returns the category.
     *
     * @return The category.
     */
    public Comparable getCategory() {
        return this.category;
    }

    /**
     * Returns the label.
     *
     * @return The label.
     */
    public TextBlock getLabel() {
        return this.label;
    }

    /**
     * Returns the label anchor.
     *
     * @return The label anchor.
     */
    public TextBlockAnchor getLabelAnchor() {
        return this.labelAnchor;
    }

    /**
     * Tests this category tick for equality with an arbitrary object.
     *
     * @param obj  the object (<code>null permitted).
     *
     * @return A boolean.
     */
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof CategoryTick && super.equals(obj)) {
            CategoryTick that = (CategoryTick) obj;
            if (!ObjectUtilities.equal(this.category, that.category)) {
                return false;
            }
            if (!ObjectUtilities.equal(this.label, that.label)) {
                return false;
            }
            if (!ObjectUtilities.equal(this.labelAnchor, that.labelAnchor)) {
                return false;
           }
            return true;
        }
        return false;
    }

    /**
     * Returns a hash code for this object.
     *
     * @return A hash code.
     */
    public int hashCode() {
        int result = 41;
        result = 37 * result + this.category.hashCode();
        result = 37 * result + this.label.hashCode();
        result = 37 * result + this.labelAnchor.hashCode();
        return result;
    }
}