/[schmitzm]/trunk/src/skrueger/AttributeMetadataImpl.java
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revision 464 by alfonx, Tue Oct 13 13:22:31 2009 UTC revision 533 by alfonx, Thu Nov 19 17:27:01 2009 UTC
# Line 29  Line 29 
29   ******************************************************************************/   ******************************************************************************/
30  package skrueger;  package skrueger;
31    
32    import java.util.ArrayList;
33    import java.util.List;
34    
35  import org.apache.log4j.Logger;  import org.apache.log4j.Logger;
36  import org.geotools.feature.NameImpl;  import org.geotools.feature.NameImpl;
37  import org.opengis.feature.type.AttributeDescriptor;  import org.opengis.feature.type.AttributeDescriptor;
# Line 36  import org.opengis.feature.type.Name; Line 39  import org.opengis.feature.type.Name;
39    
40  import skrueger.geotools.Copyable;  import skrueger.geotools.Copyable;
41  import skrueger.geotools.StyledLayerInterface;  import skrueger.geotools.StyledLayerInterface;
42    import skrueger.i8n.I8NUtil;
43  import skrueger.i8n.Translation;  import skrueger.i8n.Translation;
44    
45  /**  /**
46   * This class holds meta information about an attribute/column. This information   * This class holds meta information about an attribute/column. This information
47   * is used by {@link StyledLayerInterface}.   * is used by {@link StyledLayerInterface} and many others.<br/>
48   *   *
49   * @author <a href="mailto:[email protected]">Stefan Alfons Kr&uuml;ger</a>   * @author <a href="mailto:[email protected]">Stefan Alfons Kr&uuml;ger</a>
50   */   */
51  public class AttributeMetadata implements Copyable<AttributeMetadata> {  public class AttributeMetadata implements Copyable<AttributeMetadata>,
52                    Comparable<AttributeMetadata> {
53          static private final Logger LOGGER = Logger          static private final Logger LOGGER = Logger
54                          .getLogger(AttributeMetadata.class);                          .getLogger(AttributeMetadata.class);
55    
56            // public class WeightComparator implements Comparator<AttributeDescriptor>
57            // {
58            //
59            // @Override
60            // public int compare(AttributeDescriptor o1, AttributeDescriptor o2) {
61            // // TODO Auto-generated method stub
62            // return 0;
63            // }
64            //              
65            // };
66    
67            /** Translation of the attribute's title **/
68          protected Translation title = new Translation();          protected Translation title = new Translation();
69    
70            /** Translation of the attribute's description **/
71          protected Translation desc = new Translation();          protected Translation desc = new Translation();
72    
73            /** Is the attribute visible to the user or ignored where possible **/
74          protected boolean visible = true;          protected boolean visible = true;
75    
76            /**
77             * The unit append to all visualizations of values of this attribute (is not
78             * null)
79             **/
80          protected String unit = "";          protected String unit = "";
81          protected int colIdx;  
82          private org.opengis.feature.type.Name name;          /** The Name of the attribute **/
83            private Name name;
84    
85            public int getWeight() {
86                    return weight;
87            }
88    
89            public void setWeight(int weight) {
90                    this.weight = weight;
91            }
92    
93            public List<Object> getNodataValues() {
94                    return nodataValues;
95            }
96    
97            public void setNodataValues(List<Object> nodataValues) {
98                    this.nodataValues = nodataValues;
99            }
100    
101            public Double getFunctionX() {
102                    return functionX;
103            }
104    
105            public void setFunctionX(Double functionX) {
106                    this.functionX = functionX;
107            }
108    
109            public Double getFunctionA() {
110                    return functionA;
111            }
112    
113            public void setFunctionA(Double functionA) {
114                    this.functionA = functionA;
115            }
116    
117            public void setVisible(boolean visible) {
118                    this.visible = visible;
119            }
120    
121            /**
122             * When listed, the attributes are listed according to their weight (heavier
123             * => further down)
124             **/
125            protected int weight = 0;
126    
127            /**
128             * Allows to define general NODATA values for an attribute. e.g. -9999 can
129             * be set and will always be interpreted as NULL internally and will usually
130             * be ignored.
131             **/
132            protected List<Object> nodataValues = new ArrayList<Object>();
133    
134            /**
135             * For numerical attributes the value can be transformed by VALUE*X+A when
136             * presented on screen
137             **/
138            protected Double functionX = 1.;
139    
140            /**
141             * For numerical attributes the value can be transformed by VALUE*X+A when
142             * presented on screen
143             **/
144            protected Double functionA = 0.;
145    
146          /**          /**
147           * Creates an {@link AttributeMetadata} object with the following           * Creates an {@link AttributeMetadata} object with the following
# Line 77  public class AttributeMetadata implement Line 165  public class AttributeMetadata implement
165                  this.setName(name);                  this.setName(name);
166                  this.title = title;                  this.title = title;
167                  this.desc = desc;                  this.desc = desc;
168                    
169                  // The THE_GEOM and shall never be visible!                  // The THE_GEOM and shall never be visible!
170                  if (name.getLocalPart().equalsIgnoreCase("the_geom")) this.visible = false;                  if (name.getLocalPart().equalsIgnoreCase("the_geom"))
171                                            this.visible = false;
172                    else
173                            this.visible = visible;
174    
175                  this.unit = unit;                  this.unit = unit;
176          }          }
177    
# Line 105  public class AttributeMetadata implement Line 196  public class AttributeMetadata implement
196          /**          /**
197           * Creates a new visible {@link AttributeMetadata} with default (no) values.           * Creates a new visible {@link AttributeMetadata} with default (no) values.
198           */           */
199          public AttributeMetadata(final String localName, final String defaultTitle) {          public AttributeMetadata(final String localName, final String defaultTitle, List<String> langs) {
200                  this(localName, true, new Translation(defaultTitle), new Translation(),                  this(localName, true, new Translation(langs, defaultTitle), new Translation(),
201                                  "");                                  "");
202          }          }
203    
204          /**          /**
205           * Creates a new visible {@link AttributeMetadata} with default (no) values.           * Creates a new visible {@link AttributeMetadata} with default (no) values.
206           */           */
207          public AttributeMetadata(final Name name, final String defaultTitle) {          public AttributeMetadata(final Name name, final String defaultTitle, List<String> langs) {
208                  this(name, true, new Translation(defaultTitle), new Translation(), "");                  this(name, true, new Translation(langs, defaultTitle), new Translation(), "");
209          }          }
210    
211          /**          /**
212           * Creates a new visible {@link AttributeMetadata} with default (no) values.           * Creates a new visible {@link AttributeMetadata} with default (no) values.
213           */           */
214          public AttributeMetadata(final Name name) {          public AttributeMetadata(final Name name, List<String> langs) {
215                  this(name, true, new Translation(name.getLocalPart()),                  this(name, true, new Translation(langs, name.getLocalPart()),
216                                  new Translation(), "");                                  new Translation(), "");
217          }          }
218    
219          /**          /**
220           * Creates a new visible {@link AttributeMetadata} with default (no) values.           * Creates a new visible {@link AttributeMetadata} with default (no) values.
221           */           */
222          public AttributeMetadata(final String localName) {          public AttributeMetadata(final String localName, List<String> langs) {
223                  this(localName, true, new Translation(localName), new Translation(), "");                  this(localName, true, new Translation(langs, localName), new Translation(), "");
224          }          }
225    
226          /** Only used for {@link Copyable<AttributeMetaData>#copy()} **/          /** Only used for {@link Copyable<AttributeMetaData>#copy()} **/
227          private AttributeMetadata() {          private AttributeMetadata() {
228          }          }
229    
230          public AttributeMetadata(AttributeDescriptor attDesc) {          public AttributeMetadata(AttributeDescriptor attDesc, List<String> langs) {
231                  this(attDesc.getName());                  this(attDesc.getName(), langs);
232            }
233    
234            public AttributeMetadata(AttributeDescriptor attDesc, int weight, List<String> langs) {
235                    this(attDesc.getName(), langs);
236                    setWeight(weight);
237          }          }
238    
239          public boolean isVisible() {          public boolean isVisible() {
# Line 145  public class AttributeMetadata implement Line 241  public class AttributeMetadata implement
241          }          }
242    
243          public void setVisible(final Boolean visible) {          public void setVisible(final Boolean visible) {
244    
245                    // The THE_GEOM and shall never be visible! // TODO MAKE BETTER
246                    if (name.getLocalPart().equalsIgnoreCase("the_geom"))
247                            this.visible = false;
248                    else
249                            this.visible = visible;
250                    
251                  this.visible = visible;                  this.visible = visible;
252          }          }
 //  
 //      /** @return the index of this attribute in the underlying table/dbf **/  
 //      public int getColIdx() {  
 //              return colIdx;  
 //      }  
253    
254          public Translation getTitle() {          public Translation getTitle() {
255                  return title;                  return title;
# Line 183  public class AttributeMetadata implement Line 281  public class AttributeMetadata implement
281                  getDesc().copyTo(amd.getDesc());                  getDesc().copyTo(amd.getDesc());
282                  amd.setUnit(getUnit());                  amd.setUnit(getUnit());
283                  amd.setVisible(isVisible());                  amd.setVisible(isVisible());
284                  amd.setName(new NameImpl(getName().getNamespaceURI(), getName().getLocalPart()));                  amd.setName(new NameImpl(getName().getNamespaceURI(), getName()
285                                    .getLocalPart()));
286    
287                    amd.setWeight(getWeight());
288                    amd.setFunctionX(getFunctionX());
289                    amd.setFunctionA(getFunctionA());
290    
291                    for (Object nodataValue : getNodataValues()) {
292                            amd.getNodataValues().add(nodataValue);
293                    }
294    
295                  return amd;                  return amd;
296          }          }
297    
298          @Override          @Override
299          public AttributeMetadata copy() {          public AttributeMetadata copy() {
300                  return copyTo( new AttributeMetadata());                  return copyTo(new AttributeMetadata());
301          }          }
302    
303          /**          /**
# Line 220  public class AttributeMetadata implement Line 327  public class AttributeMetadata implement
327          public void setLocalName(String localName) {          public void setLocalName(String localName) {
328                  this.name = new NameImpl(localName);                  this.name = new NameImpl(localName);
329          }          }
330    
331            /**
332             * Orders the Attributes according to their weight. Heavier => further down.
333             */
334            @Override
335            public int compareTo(AttributeMetadata atm2) {
336                    // Double double1 = new Double(1./weight);
337                    // double double2 = 1./atm2.getWeight();
338                    return new Integer(weight).compareTo(atm2.getWeight());
339            }
340    
341            /**
342             * @return a number between 0 (bad) and 1 (good) that is calculated from the amount of translation available in the visible attributes
343             */
344            public double getQuality(List<String> languages) {
345                    return (I8NUtil.qmTranslation(languages, getTitle()) * 2. + I8NUtil
346                                    .qmTranslation(languages, getDesc()) * 1.) / 3.;
347            }
348  }  }
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