skrueger/geotools/StyledLayerInterface.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.net.URL;

import javax.swing.ImageIcon;

import org.geotools.feature.FeatureCollection;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.styling.Style;
import org.opengis.referencing.crs.CoordinateReferenceSystem;

import skrueger.AttributeMetadataImpl;
import skrueger.AttributeMetadataInterface;
import skrueger.RasterLegendData;
import skrueger.i8n.Translation;

import com.vividsolutions.jts.geom.Envelope;

/**
 * This class is the top interface for styled objects to be managed in
 * {@link MapContextManagerInterface}. The (rough) classe structure is the
 * following:
 * <ul>
 * <li><b>{@link StyledLayerInterface StyledLayerInterface<E>}</b>
 * <ul>
 * <li>{@link #getId()} -> String</li>
 * <li>{@link #getKeywords() get/setKeywords()} -> {@link Translation}</li>
 * <li>{@link #getTitle() set/getTitle()} -> {@link Translation} (short
 * description for layer list)</li>
 * <li>{@link #getDesc() set/getDesc()} -> {@link Translation} (long description
 * for details)</li>
 * <li>{@link #getCrs()} -> {@link CoordinateReferenceSystem}</li>
 * <li>{@link #getCRSString()} -> String (readable description of CRS)</li>
 * <li>{@link #getEnvelope()} -> {@link Envelope} (JTS-Envelope)</li>
 * <li>{@link #getGeoObject()} -> E (GridCoverage/FeatureCollection/...)</li>
 * <li>{@link #getStyle() set/getStyle()} -> {@link Style}</li>
 * <li>{@link #uncache()}</li>
 * <li>{@link #dispose()}</li>
 * </ul>
 * </li>
 * <li><b>{@link StyledFeatureCollectionInterface} extends
 * {@link StyledLayerInterface StyledLayerInterface<FeatureCollection>}</b>
 * <ul>
 * <li>{@link StyledFeatureCollectionInterface#getAttributeMetaDataMap()} ->
 * Map<Integer,AttributeMetaData></li>
 * </ul>
 * </li>
 * <li><b>{@link StyledRasterInterface} extends {@link StyledLayerInterface
 * StyledLayerInterface<GridCoverage2D>}</b>
 * <ul>
 * <li>{@link StyledRasterInterface#getLegendMetaData()} ->
 * {@link RasterLegendData}</li>
 * </ul>
 * </li>
 * </ul>
 * <br>
 * <b>Restrictions:</b>
 * <ul>
 * <li>layer list only depends on {@link StyledLayerInterface}</li>
 * <li>methods returning {@link Translation} must not return {@code null}</li>
 * <li>methods returning {@link AttributeMetadataInterface}-Map must not return {@code
 * null}</li>
 * <li>static helper method to get a new {@link AttributeMetadataImpl}-map with the
 * visible attributes only</li>
 * <li>static helper method to create a "default" {@link AttributeMetadataImpl}-map
 * for a {@link FeatureCollection} with all attributes visible and without real
 * translations, but the attribute name as description.</li>
 * </ul>
 */
public interface StyledLayerInterface<E> {
        public String getId();

        public Translation getTitle();

        public void setTitle(Translation title);

        public Translation getDesc();

        public void setDesc(Translation dec);

        public Translation getKeywords();

        public void setKeywords(Translation keywords);

        public CoordinateReferenceSystem getCrs();

        public String getCRSString();

        public Envelope getEnvelope();

        /**
         * @return <code>null</code> is no CRS is available
         */
        public ReferencedEnvelope getReferencedEnvelope();


        /**
         * @return return an ImageIcon - <code>null</code> is valid and no icon or a
         *         default icon will then be shown
         */
        public ImageIcon getImageIcon();

        public void setImageIcon(ImageIcon icon);

        /**
         * Returns the underlying GeoTools Object
         * 
         * @throws RuntimeException
         */
        public E getGeoObject();

        public Style getStyle();

        public void setStyle(Style style);

        /**
         * Returns the {@link URL} to a (HTML) file that provides more information
         * about this layer. If no HTML if associated with this
         * {@link StyledLayerInterface}, then <code>null</code> will be returned.
         * 
         * @return null or an {@link URL}
         */
        public URL getInfoURL();
        
        /**
         * Should be called when this Object is not needed anymore.
         */
        public void dispose();

        /** Is the object already disposed? * */
        public boolean isDisposed();

        /**
         * Clears any caches. For example the GeoObject could be released, and
         * reread on next call of getGeoObject()
         */
        public void uncache();
//      public String getLegendHtml();
}
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.net.URL;
33
34	import javax.swing.ImageIcon;
35
36	import org.geotools.feature.FeatureCollection;
37	import org.geotools.geometry.jts.ReferencedEnvelope;
38	import org.geotools.styling.Style;
39	import org.opengis.referencing.crs.CoordinateReferenceSystem;
40
41	import skrueger.AttributeMetadataImpl;
42	import skrueger.AttributeMetadataInterface;
43	import skrueger.RasterLegendData;
44	import skrueger.i8n.Translation;
45
46	import com.vividsolutions.jts.geom.Envelope;
47
48	/**
49	* This class is the top interface for styled objects to be managed in
50	* {@link MapContextManagerInterface}. The (rough) classe structure is the
51	* following:
52	* <ul>
53	* <li><b>{@link StyledLayerInterface StyledLayerInterface<E>}</b>
54	* <ul>
55	* <li>{@link #getId()} -> String</li>
56	* <li>{@link #getKeywords() get/setKeywords()} -> {@link Translation}</li>
57	* <li>{@link #getTitle() set/getTitle()} -> {@link Translation} (short
58	* description for layer list)</li>
59	* <li>{@link #getDesc() set/getDesc()} -> {@link Translation} (long description
60	* for details)</li>
61	* <li>{@link #getCrs()} -> {@link CoordinateReferenceSystem}</li>
62	* <li>{@link #getCRSString()} -> String (readable description of CRS)</li>
63	* <li>{@link #getEnvelope()} -> {@link Envelope} (JTS-Envelope)</li>
64	* <li>{@link #getGeoObject()} -> E (GridCoverage/FeatureCollection/...)</li>
65	* <li>{@link #getStyle() set/getStyle()} -> {@link Style}</li>
66	* <li>{@link #uncache()}</li>
67	* <li>{@link #dispose()}</li>
68	* </ul>
69	* </li>
70	* <li><b>{@link StyledFeatureCollectionInterface} extends
71	* {@link StyledLayerInterface StyledLayerInterface<FeatureCollection>}</b>
72	* <ul>
73	* <li>{@link StyledFeatureCollectionInterface#getAttributeMetaDataMap()} ->
74	* Map<Integer,AttributeMetaData></li>
75	* </ul>
76	* </li>
77	* <li><b>{@link StyledRasterInterface} extends {@link StyledLayerInterface
78	* StyledLayerInterface<GridCoverage2D>}</b>
79	* <ul>
80	* <li>{@link StyledRasterInterface#getLegendMetaData()} ->
81	* {@link RasterLegendData}</li>
82	* </ul>
83	* </li>
84	* </ul>
85	* <br>
86	* <b>Restrictions:</b>
87	* <ul>
88	* <li>layer list only depends on {@link StyledLayerInterface}</li>
89	* <li>methods returning {@link Translation} must not return {@code null}</li>
90	* <li>methods returning {@link AttributeMetadataInterface}-Map must not return {@code
91	* null}</li>
92	* <li>static helper method to get a new {@link AttributeMetadataImpl}-map with the
93	* visible attributes only</li>
94	* <li>static helper method to create a "default" {@link AttributeMetadataImpl}-map
95	* for a {@link FeatureCollection} with all attributes visible and without real
96	* translations, but the attribute name as description.</li>
97	* </ul>
98	*/
99	public interface StyledLayerInterface<E> {
100	public String getId();
101
102	public Translation getTitle();
103
104	public void setTitle(Translation title);
105
106	public Translation getDesc();
107
108	public void setDesc(Translation dec);
109
110	public Translation getKeywords();
111
112	public void setKeywords(Translation keywords);
113
114	public CoordinateReferenceSystem getCrs();
115
116	public String getCRSString();
117
118	public Envelope getEnvelope();
119
120	/**
121	* @return <code>null</code> is no CRS is available
122	*/
123	public ReferencedEnvelope getReferencedEnvelope();
124
125
126	/**
127	* @return return an ImageIcon - <code>null</code> is valid and no icon or a
128	* default icon will then be shown
129	*/
130	public ImageIcon getImageIcon();
131
132	public void setImageIcon(ImageIcon icon);
133
134	/**
135	* Returns the underlying GeoTools Object
136	*
137	* @throws RuntimeException
138	*/
139	public E getGeoObject();
140
141	public Style getStyle();
142
143	public void setStyle(Style style);
144
145	/**
146	* Returns the {@link URL} to a (HTML) file that provides more information
147	* about this layer. If no HTML if associated with this
148	* {@link StyledLayerInterface}, then <code>null</code> will be returned.
149	*
150	* @return null or an {@link URL}
151	*/
152	public URL getInfoURL();
153
154	/**
155	* Should be called when this Object is not needed anymore.
156	*/
157	public void dispose();
158
159	/** Is the object already disposed? * */
160	public boolean isDisposed();
161
162	/**
163	* Clears any caches. For example the GeoObject could be released, and
164	* reread on next call of getGeoObject()
165	*/
166	public void uncache();
167	// public String getLegendHtml();
168	}