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package org.netbeans.lib.profiler.charts;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

 * @author Jiri Sedlacek
00055 public interface PaintersModel {

    public ItemPainter getPainter(ChartItem item);

    public void addPaintersListener(PaintersListener listener);

    public void removePaintersListener(PaintersListener listener);

    public static abstract class Abstract implements PaintersModel {

        private List<PaintersListener> listeners;

        public void addPaintersListener(PaintersListener listener) {
            if (listeners == null) listeners = new ArrayList();
            if (!listeners.contains(listener)) listeners.add(listener);

        public void removePaintersListener(PaintersListener listener) {
            if (listeners != null) listeners.remove(listener);
            if (listeners.isEmpty()) listeners = null;

        protected void firePaintersChanged() {
            if (listeners != null)
                for (PaintersListener listener : listeners)

        protected void firePaintersChanged(List<ItemPainter> changedPainters) {
            if (listeners != null)
                for (PaintersListener listener : listeners)


    public static class Default extends Abstract {

        private final Map<ChartItem, ItemPainter> painters;

        public Default() {
            painters = new HashMap();

        public Default(ChartItem[] items, ItemPainter[] painters) {

            if (items == null)
                throw new IllegalArgumentException("Items cannot be null"); // NOI18N
            if (painters == null)
                throw new IllegalArgumentException("Painters cannot be null"); // NOI18N
            if (items.length != painters.length)
                throw new IllegalArgumentException("Items don't match painters"); // NOI18N

            addPainters(items, painters);

        public void addPainters(ChartItem[] addedItems, ItemPainter[] addedPainters) {
            for (int i = 0; i < addedItems.length; i++)
                painters.put(addedItems[i], addedPainters[i]);

        public void removePainters(ChartItem[] removedItems) {
            for (int i = 0; i < removedItems.length; i++)

        public ItemPainter getPainter(ChartItem item) {
            return painters.get(item);



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