Mercurial > mxd2map
comparison src/java/de/intevation/mxd/reader/LabelEngineReader.java @ 179:f3a91cd7440b
Added a first version of feature labeling.
| author | raimund renkert <raimund.renkert@intevation.de> |
|---|---|
| date | Fri, 08 Jul 2011 16:32:05 +0200 |
| parents | |
| children | f4eb506499f5 |
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| 178:d10d5f560b1a | 179:f3a91cd7440b |
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| 1 package de.intevation.mxd.reader; | |
| 2 | |
| 3 import org.apache.log4j.Logger; | |
| 4 | |
| 5 import com.esri.arcgis.carto.ILayer; | |
| 6 import com.esri.arcgis.carto.FeatureLayer; | |
| 7 import com.esri.arcgis.carto.AnnotateLayerPropertiesCollection; | |
| 8 import com.esri.arcgis.carto.IAnnotateLayerProperties; | |
| 9 import com.esri.arcgis.carto.LabelEngineLayerProperties; | |
| 10 import com.esri.arcgis.geodatabase.FeatureClassName; | |
| 11 import com.esri.arcgis.system.IName; | |
| 12 import com.esri.arcgis.system.IPropertySet; | |
| 13 import com.esri.arcgis.display.ITextSymbol; | |
| 14 import com.esri.arcgis.display.TextSymbol; | |
| 15 | |
| 16 import org.w3c.dom.Element; | |
| 17 | |
| 18 import de.intevation.mxd.utils.MapToXMLUtils; | |
| 19 import java.io.IOException; | |
| 20 import com.esri.arcgis.interop.AutomationException; | |
| 21 /** | |
| 22 * Reads Label information. | |
| 23 * | |
| 24 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
| 25 */ | |
| 26 public class LabelEngineReader { | |
| 27 | |
| 28 /** | |
| 29 * The logger. | |
| 30 */ | |
| 31 private static final Logger logger = | |
| 32 Logger.getLogger(LabelEngineReader.class); | |
| 33 | |
| 34 /** | |
| 35 * Privte member. | |
| 36 */ | |
| 37 private LabelEngineLayerProperties properties; | |
| 38 private MapToXMLUtils util; | |
| 39 private Element parent; | |
| 40 | |
| 41 public LabelEngineReader(IAnnotateLayerProperties prop) | |
| 42 throws Exception { | |
| 43 if(prop instanceof LabelEngineLayerProperties) { | |
| 44 this.properties = (LabelEngineLayerProperties)prop; | |
| 45 } | |
| 46 else { | |
| 47 throw new Exception("Not an instance of LaberEngineLayerProperties: " + | |
| 48 prop.getClass().toString()); | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 /** | |
| 53 * Setter for XML document helper. | |
| 54 * | |
| 55 * @param util The helper for storing map information. | |
| 56 */ | |
| 57 public void setUtil(MapToXMLUtils util) { | |
| 58 this.util = util; | |
| 59 } | |
| 60 | |
| 61 public void setParent(Element parent) { | |
| 62 this.parent = parent; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 | |
| 67 /** | |
| 68 * Reads the Label content. | |
| 69 * | |
| 70 * @return The label XML element. | |
| 71 */ | |
| 72 public Element read() | |
| 73 throws IOException{ | |
| 74 logger.debug("read()"); | |
| 75 Element labelElement; | |
| 76 try { | |
| 77 labelElement = util.addLabel(parent); | |
| 78 } | |
| 79 catch(Exception e) { | |
| 80 logger.error("Failed to create DOM-Element for Label."); | |
| 81 return null; | |
| 82 } | |
| 83 | |
| 84 try { | |
| 85 labelElement.setAttribute("expression", properties.getExpression()); | |
| 86 } | |
| 87 catch(IOException ioe) { | |
| 88 logger.warn("Could not read label expression."); | |
| 89 return null; | |
| 90 } | |
| 91 | |
| 92 try { | |
| 93 labelElement.setAttribute( | |
| 94 "offset", | |
| 95 String.valueOf(properties.getOffset())); | |
| 96 } | |
| 97 catch(IOException ioe) { | |
| 98 logger.warn("Could not read label offset."); | |
| 99 } | |
| 100 | |
| 101 try { | |
| 102 labelElement.setAttribute( | |
| 103 "definition_query", | |
| 104 properties.getWhereClause()); | |
| 105 } | |
| 106 catch(IOException ioe) { | |
| 107 logger.warn("Could not read label where clause."); | |
| 108 } | |
| 109 | |
| 110 try { | |
| 111 labelElement.setAttribute( | |
| 112 "max_scale", | |
| 113 String.valueOf(properties.getAnnotationMaximumScale())); | |
| 114 labelElement.setAttribute( | |
| 115 "min_scale", | |
| 116 String.valueOf(properties.getAnnotationMinimumScale())); | |
| 117 } | |
| 118 catch(IOException ioe) { | |
| 119 logger.warn("Could not read label scale."); | |
| 120 } | |
| 121 | |
| 122 try { | |
| 123 ITextSymbol sym = properties.getSymbol(); | |
| 124 if(sym instanceof TextSymbol) { | |
| 125 TextSymbolReader tsr = new TextSymbolReader(sym); | |
| 126 tsr.setParent(labelElement); | |
| 127 tsr.setUtil(util); | |
| 128 tsr.read(); | |
| 129 } | |
| 130 } | |
| 131 catch(Exception e) { | |
| 132 logger.warn("Could not read label text symbol."); | |
| 133 } | |
| 134 | |
| 135 return labelElement; | |
| 136 } | |
| 137 } | |
| 138 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |