Revision 42657 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.fmap.control/src/main/java/org/gvsig/fmap/mapcontrol/CompoundLayersTreeModel.java
CompoundLayersTreeModel.java | ||
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package org.gvsig.fmap.mapcontrol; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import javax.swing.event.TreeModelEvent; |
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import javax.swing.event.TreeModelListener; |
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import javax.swing.tree.TreeModel; |
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import javax.swing.tree.TreePath; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.FLayers; |
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public class CompoundLayersTreeModel implements TreeModel {
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public class CompoundLayersTreeModel extends LayersTreeModel {
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protected final FLayers layers; |
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protected final List<TreeModelListener> listeners = new ArrayList(); |
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public CompoundLayersTreeModel() { |
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this.layers = new FLayers();
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super(new FLayers());
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} |
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public void addLayers(FLayers layers) { |
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this.layers.add(layers); |
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} |
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@Override |
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public Object getRoot() { |
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return layers; |
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} |
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@Override |
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public Object getChild(Object parent, int index) { |
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if (!(parent instanceof FLayers)) { |
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return null; |
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} |
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return ((FLayers) parent).getLayer(index); |
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} |
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@Override |
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public int getChildCount(Object parent) { |
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if (!(parent instanceof FLayers)) { |
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return 0; |
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} |
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return ((FLayers) parent).getLayersCount(); |
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} |
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@Override |
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public boolean isLeaf(Object node) { |
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return !(node instanceof FLayers); |
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} |
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@Override |
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public int getIndexOfChild(Object parent, Object child) { |
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for( int i=0; i<((FLayers)parent).getLayersCount() ; i++ ) { |
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FLayer layer = ((FLayers)parent).getLayer(i); |
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if( child == layer ) { |
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return i; |
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} |
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} |
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return -1; |
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} |
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@Override |
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public void valueForPathChanged(TreePath path, Object value) { |
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} |
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@Override |
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public void addTreeModelListener(TreeModelListener listener) { |
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listeners.add(listener); |
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} |
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@Override |
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public void removeTreeModelListener(TreeModelListener listener) { |
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listeners.remove(listener); |
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} |
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public void reload() { |
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TreeModelEvent event = new TreeModelEvent(this, new TreePath(this.layers)); |
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Iterator<TreeModelListener> iterator = listeners.iterator(); |
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TreeModelListener listener; |
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while (iterator.hasNext()) { |
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listener = iterator.next(); |
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listener.treeStructureChanged(event); |
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} |
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} |
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} |
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