bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/Lines.java

   1 package org.simantics.document.linking.report.evaluator;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.List;\r
   5 import java.util.Map;\r
   6 \r
   7 import org.eclipse.jface.resource.ImageDescriptor;\r
   8 import org.simantics.db.ReadGraph;\r
   9 import org.simantics.db.exception.DatabaseException;\r
  10 import org.simantics.db.layer0.variable.Variable;\r
  11 import org.simantics.document.linking.Activator;\r
  12 import org.simantics.document.linking.ontology.DocumentLink;\r
  13 import org.simantics.document.linking.report.DocumentLine;\r
  14 import org.simantics.objmap.graph.annotations.OrderedSetType;\r
  15 \r
  16 /**\r
  17  * Combines child node contents to separate lines.\r
  18  * \r
  19  * If all children return null, the return value is null.\r
  20  * \r
  21  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  22  *\r
  23  */\r
  24 @OrderedSetType(DocumentLink.URIs.EvaluatorTree_Lines)\r
  25 public class Lines extends EvaluatorNode {\r
  26 \r
  27         \r
  28         @Override\r
  29         public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {\r
  30                 String s = "";\r
  31                 for (int i = 0 ; i < children.size(); i++) {\r
  32                         String s2 = children.get(i).getValue(graph, variable, context);\r
  33                         if (s2 != null) {\r
  34                                 s+= s2;\r
  35                                 if (i < children.size()-1)\r
  36                                         s+=System.getProperty("line.separator");\r
  37                         }\r
  38                 }\r
  39                 if (s.length() == 0)\r
  40                         return null;\r
  41                 return s;\r
  42         }\r
  43         \r
  44 \r
  45         @Override\r
  46         public String toString() {\r
  47                 return "Lines" ;\r
  48         }\r
  49         \r
  50         \r
  51         \r
  52         @Override\r
  53         public List<DocumentLine> getLines(ReadGraph graph,     Variable variable, Map<Object, Object> context) throws DatabaseException {\r
  54                 List<DocumentLine> result = new ArrayList<DocumentLine>();\r
  55                 for (int i = 0 ; i < children.size(); i++) {\r
  56                         result.addAll(children.get(i).getLines(graph, variable, context));\r
  57                 }\r
  58                 return result;\r
  59         }\r
  60         \r
  61         @Override\r
  62         public EvaluatorItem copy() {\r
  63                 Lines lines = new Lines();\r
  64                 copyChildren(lines);\r
  65                 return lines;\r
  66         }\r
  67         \r
  68         @Override\r
  69         public ImageDescriptor getImage() {\r
  70                 return Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/text_linespacing.png");\r
  71         }\r
  72 \r
  73 }\r