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/******************************************************************************* |
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* Copyright (c) 2009 Martin O. J. Schmitz. |
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* |
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* This file is part of the SCHMITZM library - a collection of utility |
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* classes based on Java 1.6, focussing (not only) on Java Swing |
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* and the Geotools library. |
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* |
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* The SCHMITZM project is hosted at: |
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* http://wald.intevation.org/projects/schmitzm/ |
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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 Lesser 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 Lesser General Public License (license.txt) |
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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, MA 02110-1301, USA. |
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* or try this link: http://www.gnu.org/licenses/lgpl.html |
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* |
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* Contributors: |
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* Martin O. J. Schmitz - initial API and implementation |
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* Stefan A. Krüger - additional utility classes |
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******************************************************************************/ |
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package skrueger.geotools; |
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|
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Vector; |
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|
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import org.apache.log4j.Logger; |
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import org.geotools.data.DefaultQuery; |
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import org.geotools.data.FeatureSource; |
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import org.geotools.data.Query; |
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import org.geotools.data.memory.MemoryDataStore; |
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import org.geotools.feature.AttributeType; |
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import org.geotools.feature.FeatureCollection; |
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import org.opengis.filter.Filter; |
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|
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import schmitzm.geotools.gui.FeatureCollectionTableModel; |
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import skrueger.AttributeMetaData; |
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import skrueger.i8n.I8NUtil; |
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import skrueger.i8n.Translation; |
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|
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import com.vividsolutions.jts.geom.Envelope; |
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|
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/** |
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* This class extends the the {@link FeatureCollectionTableModel} with the |
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* functionalities of the {@link AttributeMetaData} of |
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* {@linkplain StyledLayerInterface styled objects}. |
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* <ul> |
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* <li>column names are translated according to |
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* {@link AttributeMetaData#getTitle()}</li> |
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* <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li> |
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* </ul> |
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* |
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* @author <a href="mailto:[email protected]">Martin Schmitz</a> |
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* (University of Bonn/Germany) |
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*/ |
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public class StyledFeatureCollectionTableModel extends |
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FeatureCollectionTableModel { |
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final static private Logger LOGGER = Logger |
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.getLogger(StyledFeatureCollectionTableModel.class); |
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/** Holds the data source as styled layer. */ |
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protected StyledLayerInterface<?> layer = null; |
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/** Contains only the visible elements of the {@link AttributeMetaData}-Map */ |
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protected Map<Integer, AttributeMetaData> visibleAMD = null; |
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/** Holds the data source for the table as {@code FeatureSource}. */ |
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protected FeatureSource featureSource = null; |
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/** Contains the complete {@link AttributeMetaData}-Map of the styled layer. */ |
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protected Map<Integer, AttributeMetaData> origAMD = null; |
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/** Holds the current filter on the table */ |
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protected Filter filter = null; |
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/** Holds the Bounds for all features. Only set once during the constructor **/ |
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protected Envelope bounds; |
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|
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|
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|
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/** |
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* Creates a new table model for a styled layer. |
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* |
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* @param layer |
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* the styled layer |
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*/ |
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public StyledFeatureCollectionTableModel( |
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StyledFeatureCollectionInterface layer) { |
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this(layer, Filter.INCLUDE); |
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} |
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|
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/** |
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* Creates a new table model for a styled layer. |
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* |
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* @param layer |
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* the styled layer |
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* @param filter |
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* filter applied to the table |
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*/ |
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public StyledFeatureCollectionTableModel( |
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StyledFeatureCollectionInterface layer, Filter filter) { |
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super(); |
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setFeatureCollection(layer, filter); |
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} |
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|
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|
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/** |
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* Creates a new table model for a styled layer. |
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* |
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* @param layer |
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* the styled layer |
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*/ |
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public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer) { |
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this(layer, Filter.INCLUDE); |
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} |
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|
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/** |
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* Creates a new table model for a styled layer. |
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* |
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* @param layer |
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* the styled layer |
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* @param filter |
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* filter applied to the table |
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*/ |
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public StyledFeatureCollectionTableModel(StyledFeaturesInterface layer, |
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Filter filter) { |
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super(); |
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setFeatureCollection(layer, filter); |
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} |
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|
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/** |
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* Sets a new data source for the table. |
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* |
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* @param fs |
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* the feature source |
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* @param amd |
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* {@link AttributeMetaData}-Map to define the visible attributes |
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* and translation |
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*/ |
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protected void setFeatureSource(FeatureSource fs, |
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Map<Integer, AttributeMetaData> amd, Filter filter) |
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throws Exception { |
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if (filter == null) |
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filter = Filter.INCLUDE; |
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|
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this.featureSource = fs; |
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this.filter = filter; |
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this.origAMD = amd; |
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this.visibleAMD = null; |
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|
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FeatureCollection fc = null; |
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if (fs != null) { |
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|
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bounds = fs.getBounds(); |
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|
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Query query = new DefaultQuery(fs.getSchema().getTypeName(), filter); |
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if (amd != null) { |
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// determine the names of the visible Attributes |
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this.visibleAMD = StyledLayerUtil.getVisibleAttributeMetaData( |
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amd, true); |
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Vector<String> visibleAttrNames = new Vector<String>(); |
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// Add the column with the geometry (usually "the_geom") |
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visibleAttrNames.add(fs.getSchema().getDefaultGeometry() |
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.getLocalName()); |
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for (int attrIdx : visibleAMD.keySet()) { |
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|
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/** |
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* If the user removed columns from the schema of the DBF |
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* file, there might exist AttributeMetaData for columns |
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* that don't exists. We check here to avoid an |
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* ArrayOutOfIndex. |
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*/ |
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if (attrIdx < fs.getSchema().getAttributeCount()) { |
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final AttributeType attributeTypeAtIdx = fs.getSchema() |
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.getAttributeType(attrIdx); |
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visibleAttrNames.add(attributeTypeAtIdx.getLocalName()); |
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} else { |
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LOGGER.warn("AttributeMetaData has been found for columnIdx="+attrIdx+", but fs.getSchema().getAttributeCount() = "+fs.getSchema().getAttributeCount()+". Ignored."); |
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} |
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} |
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|
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// create a query for the visible attributes |
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String[] properties = visibleAttrNames.toArray(new String[0]); |
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LOGGER.debug("Query contains the following attributes: " |
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+ visibleAttrNames); |
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|
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query = new DefaultQuery(fs.getSchema().getTypeName(), filter, |
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properties); |
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} |
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fc = fs.getFeatures(query); |
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|
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// FAILS:!!!, even with query = new |
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// DefaultQuery(fs.getSchema().getTypeName(), filter); |
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// java.lang.UnsupportedOperationException: Unknown feature |
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// attribute: PQM_MOD |
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// at |
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// schmitzm.geotools.feature.FeatureOperationTree.evaluate(FeatureOperationTree.java:93) |
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// bounds = fc.getBounds(); |
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// SK, 17.4.2009 |
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// |
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// System.out.println("Filter = "+filter); |
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// System.out.println("Size of FC = "+fc.size()); |
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// System.out.println("anz att= "+fc.getNumberOfAttributes()); |
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} |
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setFeatureCollection(fc); |
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} |
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|
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/** |
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* Converts the {@code StyledFeatureCollection} to a {@code FeatureSource} |
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* and sets this as the new data source for the table. |
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* |
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* @param fs |
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* the feature source |
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* @param amd |
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* {@link AttributeMetaData}-Map to define the visible attributes |
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* and translation |
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*/ |
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public void setFeatureCollection(StyledFeaturesInterface layer, |
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Filter filter) { |
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this.layer = layer; |
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try { |
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if (layer == null) |
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setFeatureSource(null, null, null); |
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else { |
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FeatureCollection fc = layer.getFeatureCollection(); |
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String fcName = fc.getSchema().getTypeName(); |
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FeatureSource fs = new MemoryDataStore(fc) |
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.getFeatureSource(fcName); |
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setFeatureSource(fs, layer.getAttributeMetaDataMap(), filter); |
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} |
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} catch (Exception err) { |
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throw new RuntimeException(err); |
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} |
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} |
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|
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/** |
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* Sets the {@code StyledFeatureCollection} as new data source for the |
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* table. |
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* |
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* @param fs |
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* the feature source |
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* @param amd |
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* {@link AttributeMetaData}-Map to define the visible attributes |
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* and translation |
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*/ |
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public void setFeatureCollection(StyledFeatureSourceInterface layer, |
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Filter filter) { |
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this.layer = layer; |
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try { |
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if (layer == null) |
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setFeatureSource(null, null, null); |
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else |
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setFeatureSource(layer.getGeoObject(), layer |
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.getAttributeMetaDataMap(), filter); |
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} catch (Exception err) { |
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throw new RuntimeException(err); |
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} |
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} |
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|
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/** |
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* Resets the filter for the table. |
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* |
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* @param filter |
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* a filter |
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*/ |
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public void setFilter(Filter filter) { |
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try { |
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setFeatureSource(this.featureSource, this.origAMD, filter); |
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} catch (Exception err) { |
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LOGGER.error("Setting the filter of the table model", err); |
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throw new RuntimeException(err); |
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} |
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} |
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|
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/** |
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* @return <code>Filter.INCLUDE</code> or the {@link Filter} applied to the |
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* Features |
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*/ |
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public Filter getFilter() { |
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return this.filter; |
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} |
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|
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/** |
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* After calling {@code super.reorganize(.)} this method replaced the column |
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* descriptions with the titles of the {@code AttributeMetaData}. |
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* |
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* @param fireTableStructureChanged |
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* indicates whether a table event is initiated after reorganize |
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*/ |
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@Override |
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protected void reorganize(boolean fireTableStructureChanged) { |
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super.reorganize(false); |
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// translate the column names |
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if (visibleAMD != null) { |
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Iterator<Integer> keys = visibleAMD.keySet().iterator(); |
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for (int i = 0; i < colNames.length && keys.hasNext(); i++) { |
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Translation title = visibleAMD.get(keys.next()).getTitle(); |
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if (!I8NUtil.isEmpty(title)) { |
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// System.out.println("set colname " + i + " to " + |
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// title.toString()); |
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colNames[i] = title.toString(); |
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} |
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} |
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} |
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if (fireTableStructureChanged) |
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fireTableStructureChanged(); |
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} |
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|
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/** |
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* @return Cached bounds for the whole dataset (without applying the filter) |
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* or <code>null</code> |
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*/ |
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public Envelope getBounds() { |
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return bounds; |
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} |
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} |
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