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	/*******************************************************************************
2	* Copyright (c) 2009 Martin O. J. Schmitz.
3	*
4	* This file is part of the SCHMITZM library - a collection of utility
5	* classes based on Java 1.6, focusing (not only) on Java Swing
6	* 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	* Stefan A. Tzeggai - additional utility classes
29	******************************************************************************/
30	package skrueger.geotools;
31
32	import java.util.HashMap;
33	import java.util.LinkedHashSet;
34	import java.util.List;
35
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	import org.opengis.feature.simple.SimpleFeature;
42	import org.opengis.feature.simple.SimpleFeatureType;
43	import org.opengis.feature.type.AttributeDescriptor;
44	import org.opengis.feature.type.Name;
45	import org.opengis.filter.Filter;
46
47	import schmitzm.geotools.feature.FeatureUtil;
48	import schmitzm.geotools.gui.FeatureCollectionTableModel;
49	import skrueger.AttributeMetadataImpl;
50	import skrueger.AttributeMetadataInterface;
51
52	import com.vividsolutions.jts.geom.Envelope;
53
54	/**
55	* This class extends the the {@link FeatureCollectionTableModel} with the
56	* functionalities of the {@link AttributeMetadataImpl}.
57	* <ul>
58	* <li>column names are translated according to
59	* {@link AttributeMetadataImpl#getTitle()}</li>
60	* <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
61	* <li>Any filter defined in the {@link StyledFeaturesInterface} will be
62	* applied.</li>
63	* </ul>
64	*
65	* @author Stefan A. Tzeggai
66	*/
67	public class StyledFeatureCollectionTableModel extends
68	FeatureCollectionTableModel {
69	final static private Logger LOGGER = Logger
70	.getLogger(StyledFeatureCollectionTableModel.class);
71	/** Contains the complete {@link AttributeMetadataImpl}-Map of the styled layer. */
72	protected AttributeMetadataMap<? extends AttributeMetadataInterface> amdMap = null;
73	/** 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	/**
78	* Tooltips für die Spaltennamen. Wird nur beim Aufruf von
79	* {@link #reorganize} befuellt.
80	*/
81	protected String[] colTooltips = null;
82
83	/ A cache for the #sortedValuesVisibleOnly() /
84	protected List<? extends AttributeMetadataInterface> amdMapVisibleOnly = null;
85
86	/**
87	* Creates a new table model for a styled layer.
88	*
89	* @param styledFeatures
90	* the styled layer
91	* @param filter
92	* filter applied to the table
93	*/
94	public StyledFeatureCollectionTableModel(
95	StyledFeaturesInterface<?> styledFeatures) {
96	setStyledFeatures(styledFeatures);
97	}
98
99	/**
100	* This overwritten method filters the values for NODATA-values defined in
101	* the {@link AttributeMetadataImpl}
102	*/
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	* Sets a new data source for the table.
111	*
112	* @param fs
113	* the feature source
114	* @param amdm
115	* {@link AttributeMetadataImpl}-Map to define the visible attributes
116	* and translation
117	*/
118	protected void setFeatureSource(
119	FeatureSource<SimpleFeatureType, SimpleFeature> fs,
120	AttributeMetadataMap<? extends AttributeMetadataInterface> amdm, Filter filter) throws Exception {
121
122	if (filter == null)
123	filter = Filter.INCLUDE;
124
125	// this.featureSource = fs;
126	this.filter = filter;
127	this.amdMap = amdm;
128	this.amdMapVisibleOnly = amdMap.sortedValuesVisibleOnly();
129
130	FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
131	if (fs != null) {
132
133	bounds = fs.getBounds();
134
135	final SimpleFeatureType schema = fs.getSchema();
136	Query query = new DefaultQuery(schema.getTypeName(), filter);
137	if (amdm != null) {
138	LinkedHashSet<String> visibleAttrNames = new LinkedHashSet<String>();
139
140	// Add the column with the geometry (usually "the_geom") always
141	String geomColumnLocalName = schema.getGeometryDescriptor()
142	.getLocalName();
143	visibleAttrNames.add(geomColumnLocalName);
144
145	// Add other visible attributes as ordered by weights
146	for (AttributeMetadataInterface a : amdMapVisibleOnly) {
147	visibleAttrNames.add(a.getLocalName());
148	}
149
150	// 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
163	System.out.println(query.getPropertyNames());
164	}
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	* {@link AttributeMetadataImpl}-Map to define the visible attributes
178	* and translation
179	*/
180	public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
181	try {
182	if (styledFeatures == null)
183	setFeatureSource(null, null, null);
184	else {
185	setFeatureSource(styledFeatures.getFeatureSource(),
186	styledFeatures.getAttributeMetaDataMap(),
187	styledFeatures.getFilter());
188	}
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
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	// StyledFeatureCollectionTableModel
209	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	for (AttributeMetadataInterface amd : amdMapVisibleOnly) {
216	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	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	// StyledFeatureCollectionTableModel
229	colClass = new Class[attrTypes.size()];
230	attrIdxForCol = new int[attrTypes.size()];
231	for (int i = 0; i < colNames.length; i++) {
232	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
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	AttributeMetadataInterface amd = amdMap.get(attName);
247	colTooltips[i] = "<html>" + amd.getDesc().toString() + "<br>"
248	+ amd.getName() + "</html>";
249	colClass[i] = schema.getAttributeDescriptors().get(idx)
250	.getType().getBinding();
251	}
252	}
253
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	//
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	if (fireTableStructureChanged)
270	fireTableStructureChanged();
271
272	}
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	}