svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / gui / selectionByTheme / MySelectionByThemeListener.java @ 43020
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.app.gui.selectionByTheme; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.andami.messages.NotificationManager; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.SpatialEvaluatorsFactory; |
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import org.gvsig.tools.dispose.DisposeUtils; |
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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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import org.gvsig.tools.evaluator.EvaluatorException; |
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import org.gvsig.tools.evaluator.EvaluatorFieldsInfo; |
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public class MySelectionByThemeListener implements SelectionByThemeListener { |
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@Override
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public void newSet(FLayer[] layersToSelect, FLayer selectionLayer, int action) { |
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if (selectionLayer instanceof FLyrVect) { |
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try {
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FeatureSelection selection = ((FLyrVect) selectionLayer).getFeatureStore().getFeatureSelection(); |
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SelectByTheme filter = new SelectByTheme(
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selection, |
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selectionLayer.getMapContext().getProjection(), |
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action |
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); |
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for (FLayer layerToSelect : layersToSelect) {
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if (layerToSelect instanceof FLyrVect) { |
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FeatureStore storeToQuery = ((FLyrVect) layerToSelect).getFeatureStore(); |
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FeatureQuery fQuery = storeToQuery.createFeatureQuery(); |
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filter.setData(storeToQuery, null);
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fQuery.setFilter(filter); |
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FeatureSet featureSet = null;
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try {
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featureSet = storeToQuery.getFeatureSet(fQuery); |
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storeToQuery.getFeatureSelection().deselectAll(); |
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storeToQuery.setSelection(featureSet); |
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} finally {
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DisposeUtils.disposeQuietly(featureSet); |
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} |
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} |
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} |
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} catch (Exception e) { |
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NotificationManager.addError("error_selection_by_theme", e);
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} |
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} |
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} |
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@Override
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public void addToSet(FLayer[] layersToSelect, FLayer selectionLayer, int action) { |
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if (selectionLayer instanceof FLyrVect) { |
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try {
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FeatureSelection selection = ((FLyrVect) selectionLayer).getFeatureStore().getFeatureSelection(); |
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SelectByTheme filter = new SelectByTheme(
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selection, |
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selectionLayer.getMapContext().getProjection(), |
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action |
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); |
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for (FLayer layerToSelect : layersToSelect) {
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if (layerToSelect instanceof FLyrVect) { |
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if (!selectionLayer.getFullEnvelope().intersects(layerToSelect.getFullEnvelope())) {
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continue;
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} |
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FeatureStore storeToQuery = ((FLyrVect) layerToSelect).getFeatureStore(); |
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FeatureQuery fQuery = storeToQuery.createFeatureQuery(); |
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filter.setData(storeToQuery, null);
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fQuery.setFilter(filter); |
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FeatureSet newFeatureSet = null;
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FeatureSelection previousFeatureSet = null;
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try {
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newFeatureSet = storeToQuery.getFeatureSet(fQuery); |
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previousFeatureSet = storeToQuery.getFeatureSelection(); |
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previousFeatureSet.select(newFeatureSet); |
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storeToQuery.setSelection(previousFeatureSet); |
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} finally {
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DisposeUtils.disposeQuietly(newFeatureSet); |
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DisposeUtils.disposeQuietly(previousFeatureSet); |
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} |
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} |
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} |
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} catch (Exception e) { |
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NotificationManager.addError("error_selection_by_theme", e);
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} |
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} |
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} |
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@Override
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public void fromSet(FLayer[] layersToSelect, FLayer selectionLayer, int action) { |
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if (selectionLayer instanceof FLyrVect) { |
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try {
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FeatureSelection selection = ((FLyrVect) selectionLayer).getFeatureStore().getFeatureSelection(); |
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SelectByTheme filter = new SelectByTheme(
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selection, |
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selectionLayer.getMapContext().getProjection(), |
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action |
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); |
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for (FLayer layerToSelect : layersToSelect) {
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if (layerToSelect instanceof FLyrVect) { |
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if (!selectionLayer.getFullEnvelope().intersects(layerToSelect.getFullEnvelope())) {
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continue;
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} |
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FeatureStore storeToQuery = ((FLyrVect) layerToSelect).getFeatureStore(); |
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FeatureQuery fQuery = storeToQuery.createFeatureQuery(); |
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filter.setData( |
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storeToQuery, |
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(FeatureSelection) storeToQuery.getSelection() |
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); |
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fQuery.setFilter(filter); |
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FeatureSet featureSet = null;
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try {
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featureSet = storeToQuery.getFeatureSet(fQuery); |
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storeToQuery.getFeatureSelection().deselectAll(); |
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storeToQuery.setSelection(featureSet); |
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} finally {
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DisposeUtils.disposeQuietly(featureSet); |
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} |
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} |
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} |
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} catch (Exception e) { |
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NotificationManager.addError("error_selection_by_theme", e);
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} |
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} |
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} |
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class SelectByTheme implements Evaluator { |
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private FeatureSelection selection = null; |
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private final IProjection projection; |
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private FeatureStore store;
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private String geomName; |
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private EvaluatorFieldsInfo info;
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private FeatureSelection featureSelection;
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private final int action; |
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public SelectByTheme(
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FeatureSelection selection, |
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IProjection projection, |
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int action
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) {
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this.selection = selection;
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this.projection = projection;
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this.action = action;
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} |
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public void setData( |
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FeatureStore store, |
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FeatureSelection featureSelection |
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) throws DataException {
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this.geomName = store.getDefaultFeatureType().getDefaultGeometryAttributeName();
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this.featureSelection = featureSelection;
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this.info = new EvaluatorFieldsInfo(); |
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this.info.addFieldValue(this.geomName); |
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} |
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@Override
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public Object evaluate(EvaluatorData data) throws EvaluatorException { |
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if (featureSelection != null && !featureSelection.isSelected(((Feature) data.getContextValue("feature")))) { |
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return false; |
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} |
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DisposableIterator features = null;
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try {
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features = selection.fastIterator(); |
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while (features.hasNext()) {
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Feature feature = (Feature) features.next(); |
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Geometry geometry = feature.getGeometry(geomName); |
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Evaluator eval; |
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switch (action) {
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case SelectionByTheme.INTERSECTS:
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eval = SpatialEvaluatorsFactory.getInstance().intersects( |
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geometry, |
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projection, |
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store |
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); |
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break;
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case SelectionByTheme.CONTAINS:
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eval = SpatialEvaluatorsFactory.getInstance().contains( |
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geometry, |
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projection, |
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store |
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); |
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break;
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case SelectionByTheme.CROSSES:
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eval = SpatialEvaluatorsFactory.getInstance().crosses( |
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geometry, |
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projection, |
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store |
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); |
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break;
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case SelectionByTheme.DISJOINT:
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eval = SpatialEvaluatorsFactory.getInstance().disjoint( |
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geometry, |
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projection, |
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store |
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); |
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break;
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case SelectionByTheme.EQUALS:
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eval = SpatialEvaluatorsFactory.getInstance().equals( |
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geometry, |
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projection, |
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store |
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); |
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break;
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case SelectionByTheme.OVERLAPS:
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eval = SpatialEvaluatorsFactory.getInstance().overlaps( |
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geometry, |
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projection, |
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store |
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); |
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break;
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case SelectionByTheme.TOUCHES:
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eval = SpatialEvaluatorsFactory.getInstance().touches( |
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geometry, |
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projection, |
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store |
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); |
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break;
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case SelectionByTheme.WITHIN:
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eval = SpatialEvaluatorsFactory.getInstance().within( |
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geometry, |
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projection, |
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store |
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); |
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break;
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default:
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eval = SpatialEvaluatorsFactory.getInstance().intersects( |
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geometry, |
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projection, |
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store |
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); |
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break;
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} |
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Boolean evaluate = (Boolean) eval.evaluate(data); |
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if ( evaluate) {
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return evaluate;
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} |
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} |
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} catch (DataException e) {
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NotificationManager.addError("error_selection_by_theme", e);
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} finally {
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DisposeUtils.dispose(features); |
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} |
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return false; |
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} |
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@Override
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public String getName() { |
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return "select by theme"; |
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} |
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@Override
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public String getSQL() { |
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return null; |
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} |
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@Override
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public String getDescription() { |
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return getName();
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} |
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@Override
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public EvaluatorFieldsInfo getFieldsInfo() {
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return info;
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} |
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} |
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} |