bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/adapter/TextCellVariable.java

   1 package org.simantics.spreadsheet.graph.adapter;\r
   2 \r
   3 import org.simantics.databoard.Bindings;\r
   4 import org.simantics.databoard.binding.mutable.Variant;\r
   5 import org.simantics.db.ReadGraph;\r
   6 import org.simantics.db.Resource;\r
   7 import org.simantics.db.WriteGraph;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.layer0.variable.StandardGraphChildVariable;\r
  10 import org.simantics.db.layer0.variable.Variable;\r
  11 import org.simantics.db.layer0.variable.VariableSpaceManipulator;\r
  12 import org.simantics.db.layer0.variable.VariableSpaceManipulator.ChildCreationData;\r
  13 import org.simantics.db.layer0.variable.VariableSpaceManipulator.Modification;\r
  14 import org.simantics.db.layer0.variable.VariableSpaceManipulator.PropertyCreationData;\r
  15 import org.simantics.spreadsheet.common.cell.VariableCellEditor;\r
  16 import org.simantics.spreadsheet.resource.SpreadsheetResource;\r
  17 \r
  18 public class TextCellVariable extends StandardGraphChildVariable {\r
  19 \r
  20         public TextCellVariable(Variable parent, Resource resource) throws DatabaseException {\r
  21                 super(parent, null, resource);\r
  22         }\r
  23         \r
  24         @Override\r
  25         public String getLabel(ReadGraph graph) throws DatabaseException {\r
  26                 return null;\r
  27         }\r
  28         \r
  29     @SuppressWarnings("unchecked")\r
  30     protected <T> T tryAdapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
  31         if(VariableCellEditor.class == clazz) {\r
  32                 return (T)new VariableCellEditor() {\r
  33                                 \r
  34                                 @Override\r
  35                                 public void edit(WriteGraph graph, Variable cell, String text) throws DatabaseException {\r
  36                                         \r
  37                                         SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);\r
  38                                         Resource configuration = cell.getPossibleRepresents(graph);\r
  39                                         graph.claimLiteral(configuration, sr.Cell_content, Variant.ofInstance(text), Bindings.VARIANT);\r
  40                                         \r
  41                                 }\r
  42                                 \r
  43                                 @Override\r
  44                                 public void copy(WriteGraph graph, Variable cell, String location) throws DatabaseException {\r
  45                                         \r
  46                                         SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);\r
  47                                         Resource configuration = cell.getPossibleRepresents(graph);\r
  48                                         Variant content = graph.getPossibleRelatedValue(configuration, sr.Cell_content, Bindings.VARIANT);\r
  49                                         PropertyCreationData[] pData = new PropertyCreationData[] { PropertyCreationData.build(SpreadsheetResource.URIs.Cell_content, content) };\r
  50                                         ChildCreationData data = ChildCreationData.build(location, SpreadsheetResource.URIs.TextCell, pData);\r
  51                                         Variable sheet = cell.getParent(graph);\r
  52                                         VariableSpaceManipulator manipulator = sheet.adapt(graph, VariableSpaceManipulator.class);\r
  53                                         manipulator.apply(graph, Modification.addChild(data));\r
  54                                         \r
  55                                 }\r
  56                                 \r
  57                         };\r
  58         }\r
  59         return null;\r
  60     }\r
  61 \r
  62     @Override\r
  63     public <T> T adapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
  64         T t = tryAdapt(graph, clazz);\r
  65         return t != null ? t : super.adapt(graph, clazz);\r
  66     }\r
  67 \r
  68     @Override\r
  69     public <T> T adaptPossible(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
  70         T t = tryAdapt(graph, clazz);\r
  71         return t != null ? t : super.adaptPossible(graph, clazz);\r
  72     }\r
  73 \r
  74 }\r