/[schmitzm]/branches/2.0-RC1/src/skrueger/AttributeMetadata.java
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revision 472 by alfonx, Wed Oct 14 22:48:50 2009 UTC revision 523 by alfonx, Wed Nov 18 09:54:52 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            /** The Name of the attribute **/
83          private Name name;          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
148           * information           * information
# Line 143  public class AttributeMetadata implement Line 231  public class AttributeMetadata implement
231                  this(attDesc.getName());                  this(attDesc.getName());
232          }          }
233    
234            public AttributeMetadata(AttributeDescriptor attDesc, int weight) {
235                    this(attDesc.getName());
236                    setWeight(weight);
237            }
238    
239          public boolean isVisible() {          public boolean isVisible() {
240                  return visible;                  return visible;
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          }          }
253    
         //  
         // /** @return the index of this attribute in the underlying table/dbf **/  
         // public int getColIdx() {  
         // return colIdx;  
         // }  
   
254          public Translation getTitle() {          public Translation getTitle() {
255                  return title;                  return title;
256          }          }
# Line 190  public class AttributeMetadata implement Line 284  public class AttributeMetadata implement
284                  amd.setName(new NameImpl(getName().getNamespaceURI(), getName()                  amd.setName(new NameImpl(getName().getNamespaceURI(), getName()
285                                  .getLocalPart()));                                  .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    
# Line 225  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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