skrueger/geotools/StyledFeatureCollectionTableModel.java

/*******************************************************************************
 * Copyright (c) 2009 Martin O. J. Schmitz.
 * 
 * This file is part of the SCHMITZM library - a collection of utility 
 * classes based on Java 1.6, focusing (not only) on Java Swing 
 * and the Geotools library.
 * 
 * The SCHMITZM project is hosted at:
 * http://wald.intevation.org/projects/schmitzm/
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License (license.txt)
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * or try this link: http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Martin O. J. Schmitz - initial API and implementation
 *     Stefan A. Tzeggai - additional utility classes
 ******************************************************************************/
package skrueger.geotools;

import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;

import org.apache.log4j.Logger;
import org.geotools.data.DefaultQuery;
import org.geotools.data.FeatureSource;
import org.geotools.data.Query;
import org.geotools.feature.FeatureCollection;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.feature.type.Name;
import org.opengis.filter.Filter;

import schmitzm.geotools.feature.FeatureUtil;
import schmitzm.geotools.gui.FeatureCollectionTableModel;
import skrueger.AttributeMetadataImpl;
import skrueger.AttributeMetadataInterface;

import com.vividsolutions.jts.geom.Envelope;

/**
 * This class extends the the {@link FeatureCollectionTableModel} with the
 * functionalities of the {@link AttributeMetadataImpl}.
 * <ul>
 * <li>column names are translated according to
 * {@link AttributeMetadataImpl#getTitle()}</li>
 * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
 * <li>Any filter defined in the {@link StyledFeaturesInterface} will be
 * applied.</li>
 * </ul>
 * 
 * @author Stefan A. Tzeggai
 */
public class StyledFeatureCollectionTableModel extends
                FeatureCollectionTableModel {
        final static private Logger LOGGER = Logger
                        .getLogger(StyledFeatureCollectionTableModel.class);
        /** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
        protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
        /** Holds the current filter on the table */
        protected Filter filter = null;
        /** Holds the Bounds for all features. Only set once during the constructor **/
        protected Envelope bounds;
        /**
         * Tooltips für die Spaltennamen. Wird nur beim Aufruf von
         * {@link #reorganize} befuellt.
         */
        protected String[] colTooltips = null;

        /** A cache for the #sortedValuesVisibleOnly() **/
        protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;

        /**
         * Creates a new table model for a styled layer.
         * 
         * @param styledFeatures
         *            the styled layer
         * @param filter
         *            filter applied to the table
         */
        public StyledFeatureCollectionTableModel(
                        StyledFeaturesInterface<?> styledFeatures) {
                setStyledFeatures(styledFeatures);
        }

        /**
         * This overwritten method filters the values for NODATA-values defined in
         * the {@link AttributeMetadataImpl}
         */
        @Override
        public Object getValueAt(int row, int col) {
                Object rawValue = super.getValueAt(row, col);
                return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
        }
        
        /**
         * Sets a new data source for the table.
         * 
         * @param fs
         *            the feature source
         * @param amdm
         *            {@link AttributeMetadataImpl}-Map to define the visible attributes
         *            and translation
         */
        protected void setFeatureSource(
                        FeatureSource<SimpleFeatureType, SimpleFeature> fs,
                        AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {

                if (filter == null)
                        filter = Filter.INCLUDE;

                // this.featureSource = fs;
                this.filter = filter;
                this.amdMap = amdm;
                this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
                
                FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
                if (fs != null) {

                        bounds = fs.getBounds();

                        final SimpleFeatureType schema = fs.getSchema();
                        Query query = new DefaultQuery(schema.getTypeName(), filter);
                        if (amdm != null) {
              LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();

                                // Add the column with the geometry (usually "the_geom") always
                                String geomColumnLocalName = schema.getGeometryDescriptor()
                                                .getLocalName();
                                visibleAttrNames.add(geomColumnLocalName);

                                // Add other visible attributes as ordered by weights
                                for (AttributeMetadataInterface a : amdMapVisibleOnly) {
                                        visibleAttrNames.add(a.getLocalName());
                                }

                                // Tested with 2.6.x trunk from 2009-11-26 and it now works. So
                                // we only request the properties we need!
                                // /**
                                // * I got NPEs when properties contained only [the_geom]
                                // ?!??!!??
                                // */
                                // if (properties.length > 1) {
                                query = new DefaultQuery(schema.getTypeName(), filter,
                                                visibleAttrNames.toArray(new String[] {}));
                                // } else {
                                // query = new DefaultQuery(schema.getTypeName(), filter);
                                // }
                                
                                System.out.println(query.getPropertyNames());
                        }
                        fc = fs.getFeatures(query);
                }
                setFeatureCollection(fc);
        }

        /**
         * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
         * and sets this as the new data source for the table.
         * 
         * @param fs
         *            the feature source
         * @param amd
         *            {@link AttributeMetadataImpl}-Map to define the visible attributes
         *            and translation
         */
        public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
                try {
                        if (styledFeatures == null)
                                setFeatureSource(null, null, null);
                        else {
                                setFeatureSource(styledFeatures.getFeatureSource(),
                                                styledFeatures.getAttributeMetaDataMap(),
                                                styledFeatures.getFilter());
                        }
                } catch (Exception err) {
                        throw new RuntimeException(err);
                }
        }

        /**
         * After calling {@code super.reorganize(.)} this method replaced the column
         * descriptions with the titles of the {@code AttributeMetaData}.
         * 
         * @param fireTableStructureChanged
         *            indicates whether a table event is initiated after reorganize
         */
        @Override
        protected void reorganize(boolean fireTableStructureChanged) {

                featureArray = FeatureUtil.featuresToArray(featureTable);
                if (featureArray == null || featureArray.length == 0) {
                        colNames = new String[0];
                        colTooltips = new String[0]; // Only set and used in
                        // StyledFeatureCollectionTableModel
                        colClass = new Class[0];
                } else {
                        // Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
                        SimpleFeatureType schema = featureArray[0].getFeatureType();
                        // Pruefen, welche Attribute angezeigt werden
                        attrTypes.clear();
                        for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
                                Name name = amd.getName();
                AttributeDescriptor type = schema.getDescriptor(name);
                // if type can not be determined by complete name,
                // try only the local name
                if ( type == null )
                  type = schema.getDescriptor(name.getLocalPart());
                                if (attrFilter == null || attrFilter.accept(type))
                                        attrTypes.add(type);
                        }
                        // Namen und Attribut-Indizes der angezeigten Spalten ermitteln
                        colNames = new String[attrTypes.size()];
                        colTooltips = new String[attrTypes.size()]; // Only set and used in
                        // StyledFeatureCollectionTableModel
                        colClass = new Class[attrTypes.size()];
                        attrIdxForCol = new int[attrTypes.size()];
                        for (int i = 0; i < colNames.length; i++) {
                                Name name = amdMapVisibleOnly.get(i).getName();
                AttributeDescriptor descriptor = schema.getDescriptor(name);
                // if type can not be determined by complete name,
                // try only the local name
                if ( descriptor == null )
                  descriptor = schema.getDescriptor(name.getLocalPart());

                                // Not so nice in 26: find the index of an attribute...
                                int idx = schema.getAttributeDescriptors().indexOf(descriptor);
                                attrIdxForCol[i] = idx;

                                String attName = schema.getAttributeDescriptors().get(idx)
                                                .getLocalName();
                                colNames[i] = amdMap.get(attName).getTitle().toString();
                                AttributeMetadataInterface amd = amdMap.get(attName);
                                colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
                                                + amd.getName() + "</html>";
                                colClass[i] = schema.getAttributeDescriptors().get(idx)
                                                .getType().getBinding();
                        }
                }

                // store feature indexes in HashMap to optimize findFeature(.)
                featureIdx = new HashMap<String, Integer>();
                for (int i = 0; i < featureArray.length; i++)
                        if (featureArray[i] != null)
                                featureIdx.put(featureArray[i].getID(), i);
                //
                // // translate the column names
                // if (amdMap != null) {
                // for (int i = 0; i < colNames.length; i++) {
                // colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
                // + "<br>" + colNames[i];
                // colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
                //
                // }
                // }
                if (fireTableStructureChanged)
                        fireTableStructureChanged();

        }

        /**
         * @return Cached bounds for the whole dataset (without applying the filter)
         *         or <code>null</code>
         */
        public Envelope getBounds() {
                return bounds;
        }
}
1	alfonx	244	/*******************************************************************************
2			* Copyright (c) 2009 Martin O. J. Schmitz.
3			*
4			* This file is part of the SCHMITZM library - a collection of utility
5	alfonx	256	* classes based on Java 1.6, focusing (not only) on Java Swing
6	alfonx	244	* and the Geotools library.
7			*
8			* The SCHMITZM project is hosted at:
9			* http://wald.intevation.org/projects/schmitzm/
10			*
11			* This program is free software; you can redistribute it and/or
12			* modify it under the terms of the GNU Lesser General Public License
13			* as published by the Free Software Foundation; either version 3
14			* of the License, or (at your option) any later version.
15			*
16			* This program is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU General Public License for more details.
20			*
21			* You should have received a copy of the GNU Lesser General Public License (license.txt)
22			* along with this program; if not, write to the Free Software
23			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24			* or try this link: http://www.gnu.org/licenses/lgpl.html
25			*
26			* Contributors:
27			* Martin O. J. Schmitz - initial API and implementation
28	alfonx	862	* Stefan A. Tzeggai - additional utility classes
29	alfonx	244	******************************************************************************/
30			package skrueger.geotools;
31
32	alfonx	534	import java.util.HashMap;
33	alfonx	1042	import java.util.LinkedHashSet;
34	alfonx	681	import java.util.List;
35	alfonx	244
36			import org.apache.log4j.Logger;
37			import org.geotools.data.DefaultQuery;
38			import org.geotools.data.FeatureSource;
39			import org.geotools.data.Query;
40			import org.geotools.feature.FeatureCollection;
41	alfonx	335	import org.opengis.feature.simple.SimpleFeature;
42			import org.opengis.feature.simple.SimpleFeatureType;
43	alfonx	332	import org.opengis.feature.type.AttributeDescriptor;
44	mojays	1032	import org.opengis.feature.type.Name;
45	alfonx	244	import org.opengis.filter.Filter;
46
47	alfonx	534	import schmitzm.geotools.feature.FeatureUtil;
48	alfonx	244	import schmitzm.geotools.gui.FeatureCollectionTableModel;
49	alfonx	788	import skrueger.AttributeMetadataImpl;
50	alfonx	772	import skrueger.AttributeMetadataInterface;
51	alfonx	244
52			import com.vividsolutions.jts.geom.Envelope;
53
54			/**
55			* This class extends the the {@link FeatureCollectionTableModel} with the
56	alfonx	769	* functionalities of the {@link AttributeMetadataImpl}.
57	alfonx	244	* <ul>
58			* <li>column names are translated according to
59	alfonx	769	* {@link AttributeMetadataImpl#getTitle()}</li>
60	alfonx	244	* <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
61	alfonx	534	* <li>Any filter defined in the {@link StyledFeaturesInterface} will be
62			* applied.</li>
63	alfonx	244	* </ul>
64			*
65	alfonx	862	* @author Stefan A. Tzeggai
66	alfonx	244	*/
67			public class StyledFeatureCollectionTableModel extends
68			FeatureCollectionTableModel {
69			final static private Logger LOGGER = Logger
70			.getLogger(StyledFeatureCollectionTableModel.class);
71	alfonx	769	/** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
72	alfonx	772	protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
73	alfonx	244	/** Holds the current filter on the table */
74			protected Filter filter = null;
75			/ Holds the Bounds for all features. Only set once during the constructor /
76			protected Envelope bounds;
77	alfonx	534	/**
78			* Tooltips für die Spaltennamen. Wird nur beim Aufruf von
79			* {@link #reorganize} befuellt.
80			*/
81			protected String[] colTooltips = null;
82	alfonx	244
83	alfonx	681	/ A cache for the #sortedValuesVisibleOnly() /
84	alfonx	772	protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
85	alfonx	681
86	alfonx	244	/**
87			* Creates a new table model for a styled layer.
88			*
89	alfonx	428	* @param styledFeatures
90	alfonx	244	* the styled layer
91			* @param filter
92			* filter applied to the table
93			*/
94	alfonx	534	public StyledFeatureCollectionTableModel(
95			StyledFeaturesInterface<?> styledFeatures) {
96	alfonx	428	setStyledFeatures(styledFeatures);
97	alfonx	244	}
98
99			/**
100	alfonx	681	* This overwritten method filters the values for NODATA-values defined in
101	alfonx	769	* the {@link AttributeMetadataImpl}
102	alfonx	681	*/
103			@Override
104			public Object getValueAt(int row, int col) {
105			Object rawValue = super.getValueAt(row, col);
106			return amdMap.sortedValuesVisibleOnly().get(col).fiterNodata(rawValue);
107			}
108
109			/**
110	alfonx	244	* Sets a new data source for the table.
111			*
112			* @param fs
113			* the feature source
114	alfonx	534	* @param amdm
115	alfonx	769	* {@link AttributeMetadataImpl}-Map to define the visible attributes
116	alfonx	244	* and translation
117			*/
118	alfonx	534	protected void setFeatureSource(
119			FeatureSource<SimpleFeatureType, SimpleFeature> fs,
120	alfonx	772	AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
121	alfonx	534
122	alfonx	244	if (filter == null)
123			filter = Filter.INCLUDE;
124
125	alfonx	534	// this.featureSource = fs;
126	alfonx	244	this.filter = filter;
127	alfonx	534	this.amdMap = amdm;
128	alfonx	681	this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
129	mojays	1046
130	alfonx	428	FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
131	alfonx	244	if (fs != null) {
132
133			bounds = fs.getBounds();
134
135	alfonx	464	final SimpleFeatureType schema = fs.getSchema();
136			Query query = new DefaultQuery(schema.getTypeName(), filter);
137	alfonx	534	if (amdm != null) {
138	mojays	1046	LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();
139	alfonx	534
140	alfonx	607	// Add the column with the geometry (usually "the_geom") always
141	alfonx	1042	String geomColumnLocalName = schema.getGeometryDescriptor()
142			.getLocalName();
143			visibleAttrNames.add(geomColumnLocalName);
144	alfonx	534
145			// Add other visible attributes as ordered by weights
146	alfonx	772	for (AttributeMetadataInterface a : amdMapVisibleOnly) {
147	alfonx	534	visibleAttrNames.add(a.getLocalName());
148	alfonx	244	}
149
150	alfonx	681	// Tested with 2.6.x trunk from 2009-11-26 and it now works. So
151			// we only request the properties we need!
152			// /**
153			// * I got NPEs when properties contained only [the_geom]
154			// ?!??!!??
155			// */
156			// if (properties.length > 1) {
157			query = new DefaultQuery(schema.getTypeName(), filter,
158			visibleAttrNames.toArray(new String[] {}));
159			// } else {
160			// query = new DefaultQuery(schema.getTypeName(), filter);
161			// }
162	alfonx	1042
163			System.out.println(query.getPropertyNames());
164	alfonx	244	}
165			fc = fs.getFeatures(query);
166			}
167			setFeatureCollection(fc);
168			}
169
170			/**
171			* Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
172			* and sets this as the new data source for the table.
173			*
174			* @param fs
175			* the feature source
176			* @param amd
177	alfonx	769	* {@link AttributeMetadataImpl}-Map to define the visible attributes
178	alfonx	244	* and translation
179			*/
180	alfonx	428	public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
181	alfonx	244	try {
182	alfonx	428	if (styledFeatures == null)
183	alfonx	244	setFeatureSource(null, null, null);
184			else {
185	alfonx	534	setFeatureSource(styledFeatures.getFeatureSource(),
186			styledFeatures.getAttributeMetaDataMap(),
187			styledFeatures.getFilter());
188	alfonx	244	}
189			} catch (Exception err) {
190			throw new RuntimeException(err);
191			}
192			}
193
194			/**
195			* After calling {@code super.reorganize(.)} this method replaced the column
196			* descriptions with the titles of the {@code AttributeMetaData}.
197			*
198			* @param fireTableStructureChanged
199			* indicates whether a table event is initiated after reorganize
200			*/
201			@Override
202			protected void reorganize(boolean fireTableStructureChanged) {
203	alfonx	534
204			featureArray = FeatureUtil.featuresToArray(featureTable);
205			if (featureArray == null \|\| featureArray.length == 0) {
206			colNames = new String[0];
207			colTooltips = new String[0]; // Only set and used in
208	alfonx	681	// StyledFeatureCollectionTableModel
209	alfonx	534	colClass = new Class[0];
210			} else {
211			// Struktur der Tabelle vom AttributeMetaDtaaMap übernehmen
212			SimpleFeatureType schema = featureArray[0].getFeatureType();
213			// Pruefen, welche Attribute angezeigt werden
214			attrTypes.clear();
215	alfonx	772	for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
216	mojays	1032	Name name = amd.getName();
217			AttributeDescriptor type = schema.getDescriptor(name);
218			// if type can not be determined by complete name,
219			// try only the local name
220			if ( type == null )
221			type = schema.getDescriptor(name.getLocalPart());
222	alfonx	534	if (attrFilter == null \|\| attrFilter.accept(type))
223			attrTypes.add(type);
224			}
225			// Namen und Attribut-Indizes der angezeigten Spalten ermitteln
226			colNames = new String[attrTypes.size()];
227			colTooltips = new String[attrTypes.size()]; // Only set and used in
228	alfonx	681	// StyledFeatureCollectionTableModel
229	alfonx	534	colClass = new Class[attrTypes.size()];
230			attrIdxForCol = new int[attrTypes.size()];
231	alfonx	464	for (int i = 0; i < colNames.length; i++) {
232	mojays	1032	Name name = amdMapVisibleOnly.get(i).getName();
233			AttributeDescriptor descriptor = schema.getDescriptor(name);
234			// if type can not be determined by complete name,
235			// try only the local name
236			if ( descriptor == null )
237			descriptor = schema.getDescriptor(name.getLocalPart());
238	alfonx	534
239			// Not so nice in 26: find the index of an attribute...
240			int idx = schema.getAttributeDescriptors().indexOf(descriptor);
241			attrIdxForCol[i] = idx;
242
243			String attName = schema.getAttributeDescriptors().get(idx)
244			.getLocalName();
245			colNames[i] = amdMap.get(attName).getTitle().toString();
246	alfonx	772	AttributeMetadataInterface amd = amdMap.get(attName);
247	alfonx	681	colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
248			+ amd.getName() + "</html>";
249			colClass[i] = schema.getAttributeDescriptors().get(idx)
250			.getType().getBinding();
251	alfonx	244	}
252			}
253	alfonx	534
254			// store feature indexes in HashMap to optimize findFeature(.)
255			featureIdx = new HashMap<String, Integer>();
256			for (int i = 0; i < featureArray.length; i++)
257			if (featureArray[i] != null)
258			featureIdx.put(featureArray[i].getID(), i);
259	alfonx	681	//
260			// // translate the column names
261			// if (amdMap != null) {
262			// for (int i = 0; i < colNames.length; i++) {
263			// colTooltips[i] = amdMap.get(colNames[i]).getDesc().toString()
264			// + "<br>" + colNames[i];
265			// colNames[i] = amdMap.get(colNames[i]).getTitle().toString();
266			//
267			// }
268			// }
269	alfonx	244	if (fireTableStructureChanged)
270			fireTableStructureChanged();
271	alfonx	534
272	alfonx	244	}
273
274			/**
275			* @return Cached bounds for the whole dataset (without applying the filter)
276			* or <code>null</code>
277			*/
278			public Envelope getBounds() {
279			return bounds;
280			}
281			}