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

   1 package org.simantics.document.linking.report.evaluator;
   2
   3 import java.util.ArrayList;
   4 import java.util.HashMap;
   5 import java.util.List;
   6 import java.util.Map;
   7
   8 import org.eclipse.jface.resource.ImageDescriptor;
   9 import org.simantics.db.ReadGraph;
  10 import org.simantics.db.exception.DatabaseException;
  11 import org.simantics.db.layer0.variable.Variable;
  12 import org.simantics.document.linking.Activator;
  13 import org.simantics.document.linking.ontology.DocumentLink;
  14 import org.simantics.document.linking.report.DocumentLine;
  15 import org.simantics.objmap.graph.annotations.OrderedSetType;
  16 import org.simantics.objmap.graph.annotations.RelatedGetValue;
  17 import org.simantics.objmap.graph.annotations.RelatedSetValue;
  18
  19 /**
  20  * And node combines contents of the child nodes with configurable separator (default " ")
  21  *
  22  * If all children return null, the return value is null.
  23  *
  24  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  25  *
  26  */
  27 @OrderedSetType(DocumentLink.URIs.EvaluatorTree_And)
  28 public class And extends EvaluatorNode implements StringEditableNode{
  29
  30         String separator;
  31
  32
  33         public And() {
  34                 separator = " ";
  35         }
  36
  37         public And(String separator) {
  38                 this.separator = separator;
  39         }
  40
  41         public void setSeparator(String separator) {
  42                 this.separator = separator;
  43         }
  44
  45         public String getSeparator() {
  46                 return separator;
  47         }
  48
  49
  50         @Override
  51         public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {
  52                 String s = "";
  53                 for (int i = 0 ; i < children.size(); i++) {
  54                         String s2 = children.get(i).getValue(graph, variable, context);
  55                         if (s2 != null) {
  56                                 s+= s2;
  57                                 if (i < children.size()-1)
  58                                         s+=separator;
  59                         }
  60                 }
  61                 if (s.length() == 0)
  62                         return null;
  63                 return s;
  64         }
  65
  66         @Override
  67         public List<DocumentLine> getLines(ReadGraph graph,     Variable variable, Map<Object, Object> context) throws DatabaseException {
  68                 List<DocumentLine> result = new ArrayList<DocumentLine>();
  69                 for (int i = 0 ; i < children.size(); i++) {
  70                         List<DocumentLine> list = children.get(i).getLines(graph, variable, context);
  71                         for (int j = 0; j < list.size(); j++) {
  72                                 DocumentLine line = list.get(j);
  73                                 if (j <= result.size()) {
  74                                         result.add(line);
  75                                 } else {
  76                                         DocumentLine extLine = result.get(j);
  77                                         String combined = extLine.getLine() + separator + line.getLine();
  78                                         Map<Object,Object> combinedSet = new HashMap<Object, Object>();
  79                                         combinedSet.putAll(extLine.getHints());
  80                                         combinedSet.putAll(line.getHints());
  81
  82                                         result.set(j, new DocumentLine(combined,combinedSet));
  83                                 }
  84                         }
  85                 }
  86                 return result;
  87         }
  88
  89
  90         @Override
  91         public String toString() {
  92                 return "and " + "(" + separator +")" ;
  93         }
  94
  95         @RelatedGetValue(DocumentLink.URIs.EvaluatorTree_HasValue)
  96         @Override
  97         public String getValue() {
  98                 return separator;
  99         }
 100
 101         @Override
 102         public String setValue(String value) {
 103                 separator = value;
 104                 return null;
 105         }
 106
 107         @RelatedSetValue(DocumentLink.URIs.EvaluatorTree_HasValue)
 108         public void _setValue(String value) {
 109                 separator = value;
 110         }
 111
 112         @Override
 113         public EvaluatorItem copy() {
 114                 And a = new And(separator);
 115                 copyChildren(a);
 116                 return a;
 117         }
 118
 119         @Override
 120         public ImageDescriptor getImage() {
 121                 return Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/text_columns.png");
 122         }
 123
 124 }