Revision 42800
| trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.mapcontext/org.gvsig.fmap.mapcontext.api/src/main/java/org/gvsig/fmap/mapcontext/layers/LayerChangeSupport.java | ||
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*/ |
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package org.gvsig.fmap.mapcontext.layers; |
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.HashSet;
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import java.util.Set;
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import org.gvsig.fmap.mapcontext.rendering.legend.events.LegendChangedEvent; |
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import org.gvsig.fmap.mapcontext.rendering.legend.events.listeners.LegendListener; |
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/** |
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* <p>Manages all legend listeners of a layer, notifying them any legend change event produced.</p> |
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* |
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* @author Vicente Caballero Navarro |
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*/ |
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public class LayerChangeSupport {
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/** |
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* <p>The legend listeners of a layer.</p> |
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*/ |
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private ArrayList listeners = new ArrayList();
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private final Set<LegendListener> listeners = new HashSet<>();
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/** |
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* <p>Registers a <code>LegendListener</code>.</p> |
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* @param e a legend event with the new legend and events that compound this one |
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*/ |
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public void callLegendChanged(LegendChangedEvent e) {
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for (Iterator iter = listeners.iterator(); iter.hasNext();) {
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LegendListener listener = (LegendListener) iter.next(); |
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listener.legendChanged(e); |
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} |
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for (LegendListener listener : listeners) {
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listener.legendChanged(e); |
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} |
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} |
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} |
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