Revision 42657 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.fmap.control/src/main/java/org/gvsig/fmap/mapcontrol/LayersTreeModel.java
| LayersTreeModel.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.Arrays; |
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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.apache.commons.lang3.BooleanUtils; |
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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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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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public class LayersTreeModel implements TreeModel {
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protected final FLayers layers; |
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private final List<TreeModelListener> listeners = new ArrayList(); |
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protected FLayers layers; |
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private Evaluator filter; |
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private MyEvaluatorData datafilter; |
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protected final List<TreeModelListener> listeners = new ArrayList();
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private static class MyEvaluatorData implements EvaluatorData {
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public LayersTreeModel(FLayers layers) {
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this.layers = layers; |
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} |
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public FLayer layer = null; |
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@Override |
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public Object getRoot() {
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return layers; |
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public Object getDataValue(String name) {
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if (name.equalsIgnoreCase("layer")) {
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return layer; |
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} |
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return null; |
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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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public Object getContextValue(String name) {
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if (name.equalsIgnoreCase("layer")) {
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return layer;
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} |
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return ((FLayers) parent).getLayer(index);
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return null;
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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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public Iterator getDataValues() {
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return Arrays.asList(new FLayer[]{this.layer}).iterator();
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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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public Iterator getDataNames() {
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return Arrays.asList(new String[]{"layer"}).iterator();
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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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public boolean hasDataValue(String name) {
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if (name.equalsIgnoreCase("layer")) {
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return true; |
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} |
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return -1;
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return false;
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} |
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@Override |
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public void valueForPathChanged(TreePath path, Object value) {
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public boolean hasContextValue(String name) {
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if (name.equalsIgnoreCase("layer")) {
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return true; |
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} |
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return false; |
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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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public LayersTreeModel(FLayers layers) {
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this.layers = layers; |
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} |
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public void setFilter(Evaluator filter) {
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this.filter = filter; |
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this.datafilter = new MyEvaluatorData(); |
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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 void removeTreeModelListener(TreeModelListener listener) {
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listeners.remove(listener); |
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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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if (this.filter == null) {
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return ((FLayers) parent).getLayersCount(); |
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} |
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int count = 0; |
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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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try {
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if (!(layer instanceof FLayers)) {
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this.datafilter.layer = layer; |
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if (BooleanUtils.isTrue((Boolean) this.filter.evaluate(this.datafilter))) {
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count++; |
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} |
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} |
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} catch (Exception ex) {
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// Do nothing, skyp this layer on error. |
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} |
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} |
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return count; |
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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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@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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if (this.filter == null) {
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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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int count = 0; |
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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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try {
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if (!(layer instanceof FLayers)) {
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this.datafilter.layer = layer; |
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if (BooleanUtils.isTrue((Boolean) this.filter.evaluate(this.datafilter))) {
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if (child == layer) {
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return count; |
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} |
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count++; |
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} |
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} |
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} catch (Exception ex) {
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// Do nothing, skyp this layer on error. |
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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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