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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, focusing (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. Tzeggai - additional utility classes |
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******************************************************************************/ |
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package skrueger.geotools; |
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|
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import java.io.File; |
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import java.io.IOException; |
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import java.net.URL; |
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import java.util.Date; |
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import java.util.Random; |
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|
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import javax.swing.ImageIcon; |
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import javax.swing.JPanel; |
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|
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import org.apache.log4j.Logger; |
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import org.geotools.data.FeatureSource; |
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import org.geotools.feature.FeatureCollection; |
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import org.geotools.feature.NameImpl; |
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import org.geotools.styling.Style; |
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import org.opengis.feature.simple.SimpleFeature; |
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import org.opengis.feature.simple.SimpleFeatureType; |
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import org.opengis.feature.type.AttributeDescriptor; |
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import org.opengis.filter.Filter; |
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import org.opengis.referencing.crs.CoordinateReferenceSystem; |
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|
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import schmitzm.geotools.io.GeoImportUtil; |
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import schmitzm.geotools.styling.StylingUtil; |
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import skrueger.AttributeMetadataImpl; |
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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 enables a non Atlas context to use the Atlas LayerPanel |
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* {@link JPanel} as a {@link MapContextManagerInterface} |
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* |
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* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a> |
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* |
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* TODO Rename to StyledShapefile |
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*/ |
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public class StyledFS implements StyledFeatureSourceInterface { |
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private static final Logger LOGGER = Logger.getLogger(StyledFS.class); |
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|
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private final FeatureSource<SimpleFeatureType, SimpleFeature> fs; |
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|
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/** Caching the CRS of the layer **/ |
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CoordinateReferenceSystem crs = null; |
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|
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/** |
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* A unique ID which identifies the Layer in the Atlas. It's more important |
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* than it should be ;-) |
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*/ |
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private String id; |
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|
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private Style style; |
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|
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private Translation title; |
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|
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private Translation desc; |
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|
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private File sldFile; |
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|
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/** A map of simple attribute names to their meta-data **/ |
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private AttributeMetadataMap<AttributeMetadataImpl> map; |
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|
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private Filter filter = Filter.INCLUDE; |
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|
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/** |
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* This class enables a non Atlas context to use the Atlas LayerPanel |
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* {@link JPanel} as a {@link MapContextManagerInterface} |
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* |
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* @param fs |
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* {@link FeatureSource} that is beeing styled. |
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* |
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* @param sldFile |
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* may be <code>null</code>. Otherwise the SLD {@link File} to |
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* import and associate with this {@link StyledFS} |
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*/ |
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public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs, |
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File sldFile) { |
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|
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this.fs = fs; |
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|
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id = StyledFS.class.getSimpleName() |
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+ new Random(new Date().getTime()).nextInt(10000000); |
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|
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this.sldFile = sldFile; |
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|
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// datei existiert, dann lesen |
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if (sldFile != null && sldFile.exists()) { |
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try { |
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style = StylingUtil.loadSLD(sldFile)[0]; |
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} catch (Exception e) { |
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LOGGER.warn("Reading SLD failed: " + sldFile, e); |
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style = null; |
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} |
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} |
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|
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title = new Translation(); |
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desc = new Translation(); |
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|
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if (sldFile != null) { |
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title.fromOneLine(sldFile.getName()); |
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desc.fromOneLine(sldFile.getAbsolutePath()); |
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} |
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|
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} |
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|
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public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs) { |
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this(fs, null); |
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} |
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|
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public void dispose() { |
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} |
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|
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/** |
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* Returns human readable {@link String} of the CRS natively used by this |
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* {@link DpLayer} |
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* |
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* If CRS == null, it will call {@link #getGeoObject()} |
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* |
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*/ |
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public String getCRSString() { |
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if (getCrs() == null) |
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return "CRS?"; |
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|
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return getCrs().getName().getCode(); |
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} |
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|
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public CoordinateReferenceSystem getCrs() { |
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if (crs == null) { |
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crs = fs.getSchema().getCoordinateReferenceSystem(); |
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if (fs.getSchema().getCoordinateReferenceSystem() == null) { |
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LOGGER.warn("Could not determine the CRS of " + getTitle() |
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+ ". Using default " + GeoImportUtil.getDefaultCRS()); |
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crs = GeoImportUtil.getDefaultCRS(); |
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} |
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} |
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return crs; |
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} |
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|
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public Translation getDesc() { |
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return desc; |
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} |
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|
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public Envelope getEnvelope() { |
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try { |
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return fs.getBounds(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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return null; |
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} |
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} |
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|
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public FeatureSource<SimpleFeatureType, SimpleFeature> getGeoObject() { |
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return fs; |
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} |
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|
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public String getId() { |
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return id; |
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} |
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|
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public ImageIcon getImageIcon() { |
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return null; |
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} |
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|
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public URL getInfoURL() { |
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return null; |
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} |
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|
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public Translation getKeywords() { |
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return null; |
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} |
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|
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public Style getStyle() { |
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return style; |
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} |
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|
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public Translation getTitle() { |
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return title; |
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} |
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|
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public boolean isDisposed() { |
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return false; |
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} |
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|
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/** |
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* If true, this layer will not be shown in the legend. Default = false |
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*/ |
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/** |
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* |
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* Killed by SK: 6. April 09: Ein Layer soll nicht generell auf |
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* verstecken/nicht verstecken gestellt werden können. Das sind |
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* Eigenschaften der Karte/MapContext, ebenso wie die Reihenfolge der Layer. |
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* Im Atlas verwaltet deshalb nun die Klasse skrueger.atlas.Map welche Layer |
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* nicht in der Legende auftauchen sollen. Meines Wissens hat keiner bisher |
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* die Funktion genutzt. |
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* |
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* // public boolean isHideInLegend() { // return false; // } |
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*/ |
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|
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public void setDesc(Translation dec) { |
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this.desc = dec; |
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} |
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|
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public void setImageIcon(ImageIcon icon) { |
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} |
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|
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public void setKeywords(Translation keywords) { |
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} |
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|
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public void setStyle(Style style) { |
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this.style = style; |
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|
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} |
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|
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public void setTitle(Translation title) { |
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this.title = title; |
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|
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} |
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|
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public void uncache() { |
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} |
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|
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/** |
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* |
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*/ |
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public AttributeMetadataMap<AttributeMetadataImpl> getAttributeMetaDataMap() { |
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if (map == null) { |
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|
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map = new AttributeMetadataImplMap(); |
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|
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// // Leaving out the first one, it will be the_geom |
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// for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) { |
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// AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i); |
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// |
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// AttributeMetadataImpl attMetaData = new AttributeMetadataImpl( |
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// new NameImpl(attDesc |
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// .getName().getNamespaceURI(), attDesc |
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// .getName().getLocalPart()), map.getLanguages()); |
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// map.put(attDesc.getName(), attMetaData); |
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// } |
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|
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// Leaving out the first one, it will be the_geom |
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for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) { |
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AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i); |
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|
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// TODO AttributeMetadataAS would be nicer, which would not work |
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// with Translations ;-) |
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AttributeMetadataImpl attMetaData = new AttributeMetadataImpl( |
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new NameImpl(attDesc.getName().getNamespaceURI(), |
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attDesc.getName().getLocalPart()), map |
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.getLanguages()); |
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if (String.class.isAssignableFrom(attDesc.getType() |
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.getBinding())) { |
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// For Strings we add the "" as NODATA values |
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attMetaData.addNodataValue(""); |
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} |
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map.put(attDesc.getName(), attMetaData); |
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} |
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} |
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return map; |
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} |
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|
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/** |
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* @return The {@link File} where the SLD was loaded from or |
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* <code>null</code> if there didn't exist a {@link File}. |
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* |
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* @author <a href="mailto:[email protected]">Stefan Alfons |
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* Krüger</a> |
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*/ |
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public File getSldFile() { |
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return sldFile; |
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} |
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|
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public void setSldFile(File sldFile) { |
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this.sldFile = sldFile; |
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} |
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|
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/** |
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* Returns the features of the {@link FeatureSource}. |
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* |
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* @see {@link StyledFeaturesInterface} |
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*/ |
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@Override |
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public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollection() { |
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FeatureCollection<SimpleFeatureType, SimpleFeature> features; |
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try { |
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features = getGeoObject().getFeatures(); |
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} catch (IOException e) { |
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throw new RuntimeException( |
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"Error getting the features of the FeatureSource"); |
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} |
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return features; |
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} |
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|
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/** |
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* Same as {@link #getGeoObject()} method, but complies to the |
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* {@link StyledFeaturesInterface} |
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* |
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* @see {@link StyledFeaturesInterface} |
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*/ |
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@Override |
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public FeatureSource<SimpleFeatureType, SimpleFeature> getFeatureSource() { |
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return getGeoObject(); |
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} |
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|
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@Override |
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public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollectionFiltered() { |
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// final FeatureCollection<SimpleFeatureType, SimpleFeature> fc = |
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// getFeatureCollection(); |
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// if (filter == Filter.EXCLUDE) |
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// return new EmptyFeatureCollection(fc.getSchema()); |
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// if (filter == Filter.INCLUDE) |
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// return fc; |
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// return fc.subCollection(filter); |
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|
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try { |
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return getFeatureSource().getFeatures(filter); |
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} catch (IOException e) { |
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throw new RuntimeException(e); |
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} |
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} |
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|
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@Override |
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public Filter getFilter() { |
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return filter; |
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} |
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|
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@Override |
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public void setFilter(Filter filter) { |
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this.filter = filter; |
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} |
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|
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@Override |
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public SimpleFeatureType getSchema() { |
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return getGeoObject().getSchema(); |
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} |
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|
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/** |
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* Tries to load a style from the file denoted in {@link #getSldFile()}. If |
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* the file doesn't exits, return <code>null</code>; |
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* @return <code>true</code> is style was loaded |
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*/ |
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public boolean loadStyle() { |
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if (getSldFile() == null) |
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return false; |
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|
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try { |
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Style[] loadSLD = StylingUtil.loadSLD(getSldFile()); |
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setStyle(loadSLD[0]); |
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return true; |
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} catch (Exception e) { |
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return false; |
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} |
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|
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} |
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|
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} |