?? legenditemcollection.java
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/* ======================================
* JFreeChart : a free Java chart library
* ======================================
*
* Project Info: http://www.jfree.org/jfreechart/index.html
* Project Lead: David Gilbert (david.gilbert@object-refinery.com);
*
* (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
*
* 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* -------------------------
* LegendItemCollection.java
* -------------------------
* (C) Copyright 2002, 2003, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: LegendItemCollection.java,v 1.3 2003/06/12 16:53:59 mungady Exp $
*
* Changes
* -------
* 07-Feb-2002 : Version 1 (DG);
* 24-Sep-2002 : Added get(int) and getItemCount() methods (DG);
* 02-Oct-2002 : Fixed errors reported by Checkstyle (DG);
*
*/
package org.jfree.chart;
import java.util.Iterator;
import java.util.List;
/**
* A collection of legend items.
*
* @author David Gilbert
*/
public class LegendItemCollection {
/** Storage for the legend items. */
private List items;
/**
* Constructs a new legend item collection, initially empty.
*/
public LegendItemCollection() {
this.items = new java.util.ArrayList();
}
/**
* Adds a legend item to the collection.
*
* @param item the item to add.
*/
public void add(LegendItem item) {
this.items.add(item);
}
/**
* Adds the legend items from another collection to this collection.
*
* @param collection the other collection.
*/
public void addAll(LegendItemCollection collection) {
this.items.addAll(collection.items);
}
/**
* Returns a legend item from the collection.
*
* @param index the legend item index (zero-based).
*
* @return the legend item.
*/
public LegendItem get(int index) {
return (LegendItem) this.items.get(index);
}
/**
* Returns the number of legend items in the collection.
*
* @return the item count.
*/
public int getItemCount() {
return items.size();
}
/**
* Returns an iterator that provides access to all the legend items.
*
* @return an iterator.
*/
public Iterator iterator() {
return items.iterator();
}
}
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