/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -------------------------------
* CustomXYItemLabelGenerator.java
* -------------------------------
* (C) Copyright 2002-2008, by Richard Atkinson and Contributors.
*
* Original Author: Richard Atkinson;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* Changes:
* --------
* 05-Aug-2002 : Version 1, contributed by Richard Atkinson (RA);
* 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);
* 21-Mar-2003 : Implemented Serializable (DG);
* 13-Aug-2003 : Implemented Cloneable (DG);
* 17-Nov-2003 : Implemented PublicCloneable (DG);
* 25-Feb-2004 : Renamed XYToolTipGenerator --> XYItemLabelGenerator (DG);
* 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
*
*/
package org.jfree.chart.labels;
import java.io.Serializable;
import java.util.List;
import org.jfree.data.xy.XYDataset;
import org.jfree.util.PublicCloneable;
/**
* A tool tip generator that stores custom tooltips. The dataset passed into
* the generateToolTip method is ignored.
*/
public class CustomXYToolTipGenerator implements XYToolTipGenerator,
Cloneable, PublicCloneable, Serializable {
/** For serialization. */
private static final long serialVersionUID = 8636030004670141362L;
/** Storage for the tooltip lists. */
private List toolTipSeries = new java.util.ArrayList();
/**
* Default constructor.
*/
public CustomXYToolTipGenerator() {
super();
}
/**
* Returns the number of tool tip lists stored by the renderer.
*
* @return The list count.
*/
public int getListCount() {
return this.toolTipSeries.size();
}
/**
* Returns the number of tool tips in a given list.
*
* @param list the list index (zero based).
*
* @return The tooltip count.
*/
public int getToolTipCount(int list) {
int result = 0;
List tooltips = (List) this.toolTipSeries.get(list);
if (tooltips != null) {
result = tooltips.size();
}
return result;
}
/**
* Returns the tool tip text for an item.
*
* @param series the series index.
* @param item the item index.
*
* @return The tool tip text.
*/
public String getToolTipText(int series, int item) {
String result = null;
if (series < getListCount()) {
List tooltips = (List) this.toolTipSeries.get(series);
if (tooltips != null) {
if (item < tooltips.size()) {
result = (String) tooltips.get(item);
}
}
}
return result;
}
/**
* Adds a list of tooltips for a series.
*
* @param toolTips the list of tool tips.
*/
public void addToolTipSeries(List toolTips) {
this.toolTipSeries.add(toolTips);
}
/**
* Generates a tool tip text item for a particular item within a series.
*
* @param data the dataset (ignored in this implementation).
* @param series the series (zero-based index).
* @param item the item (zero-based index).
*
* @return The tooltip text.
*/
public String generateToolTip(XYDataset data, int series, int item) {
return getToolTipText(series, item);
}
/**
* Returns an independent copy of the generator.
*
* @return A clone.
*
* @throws CloneNotSupportedException if cloning is not supported.
*/
public Object clone() throws CloneNotSupportedException {
CustomXYToolTipGenerator clone
= (CustomXYToolTipGenerator) super.clone();
if (this.toolTipSeries != null) {
clone.toolTipSeries = new java.util.ArrayList(this.toolTipSeries);
}
return clone;
}
/**
* Tests if this object is equal to another.
*
* @param obj the other object.
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof CustomXYToolTipGenerator) {
CustomXYToolTipGenerator generator = (CustomXYToolTipGenerator) obj;
boolean result = true;
for (int series = 0; series < getListCount(); series++) {
for (int item = 0; item < getToolTipCount(series); item++) {
String t1 = getToolTipText(series, item);
String t2 = generator.getToolTipText(series, item);
if (t1 != null) {
result = result && t1.equals(t2);
}
else {
result = result && (t2 == null);
}
}
}
return result;
}
return false;
}
}
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