bundles/org.simantics.selectionview/src/org/simantics/selectionview/AbstractVariableTabContribution.java

   1 package org.simantics.selectionview;\r
   2 \r
   3 import java.util.Collection;\r
   4 \r
   5 import org.simantics.Simantics;\r
   6 import org.simantics.databoard.Bindings;\r
   7 import org.simantics.db.ReadGraph;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.db.common.utils.Functions;\r
  10 import org.simantics.db.exception.DatabaseException;\r
  11 import org.simantics.db.layer0.variable.Variable;\r
  12 import org.simantics.db.layer0.variable.Variables;\r
  13 import org.simantics.layer0.Layer0;\r
  14 import org.simantics.scl.runtime.function.Function;\r
  15 import org.simantics.ui.selection.WorkbenchSelectionUtils;\r
  16 \r
  17 abstract public class AbstractVariableTabContribution implements TabContribution<Object> {\r
  18 \r
  19         final private String uri;\r
  20         final protected Resource configuration;\r
  21 \r
  22         public AbstractVariableTabContribution(ReadGraph graph, Resource configuration) throws DatabaseException {\r
  23                 this.configuration = configuration;\r
  24                 this.uri = graph.getURI(configuration);\r
  25         }\r
  26 \r
  27         public abstract void getContributors(ReadGraph graph, Variable variable, Integer priority, String label, Collection<ComparableTabContributor> result) throws DatabaseException;\r
  28 \r
  29         @Override\r
  30         public boolean accept(ReadGraph graph, Object input) throws DatabaseException {\r
  31                 return true;\r
  32         }\r
  33 \r
  34         public boolean accept(ReadGraph graph, Variable variable, Object selection) throws DatabaseException {\r
  35 \r
  36                 if(selection instanceof SelectionInput) {\r
  37                 \r
  38                         SelectionViewResources SEL = SelectionViewResources.getInstance(graph);\r
  39                         for(Resource r : graph.getObjects(configuration, SEL.AbstractVariableTabContribution_HasTest)) {\r
  40                                 Boolean pass = Functions.exec(graph, r, graph, (SelectionInput)selection);\r
  41                                 if(!pass) return false;\r
  42                         }\r
  43                 \r
  44                         Variable configurationVariable = Variables.getVariable(graph, configuration);\r
  45                         Function f = configurationVariable.getPossiblePropertyValue(graph, SEL.AbstractVariableTabContribution_testFunction);\r
  46                         if(f != null) {\r
  47                                 Boolean pass = Simantics.<Boolean>applySCLRead(graph, f, variable);\r
  48                                 if(!pass) return false;\r
  49                         }\r
  50                         \r
  51                 } else {\r
  52                         \r
  53                         return false;\r
  54                         \r
  55                 }\r
  56                 \r
  57                 return true;\r
  58                 \r
  59         }\r
  60         \r
  61         final private Variable getPossibleVariable(ReadGraph graph, Object selection) throws DatabaseException {\r
  62                 if(selection instanceof SelectionInput) {\r
  63                         SelectionInput si = (SelectionInput)selection;\r
  64                         if(si.getElements().size() == 1) {\r
  65                                 return WorkbenchSelectionUtils.getPossibleVariable(graph, si.getElements().iterator().next());\r
  66                         }\r
  67                 }\r
  68                 return null;\r
  69         } \r
  70         \r
  71         @Override\r
  72         final public void contribute(ReadGraph graph, final Object selection, Collection<ComparableTabContributor> result) throws DatabaseException {\r
  73                 \r
  74                 Variable variable = getPossibleVariable(graph, selection);\r
  75                 if(variable == null) return;\r
  76 \r
  77                 Layer0 L0 = Layer0.getInstance(graph);\r
  78                 SelectionViewResources SEL = SelectionViewResources.getInstance(graph);\r
  79 \r
  80                 Integer priority = graph.getPossibleRelatedValue(configuration, SEL.AbstractVariableTabContribution_HasPriority, Bindings.INTEGER);\r
  81                 String label = graph.getPossibleRelatedValue(configuration, L0.HasLabel);\r
  82                 \r
  83                 if(!accept(graph, variable, selection)) return;\r
  84 \r
  85                 getContributors(graph, variable, priority, label, result);              \r
  86 \r
  87         }\r
  88         \r
  89         @Override\r
  90         public String toString() {\r
  91                 return "AbstractVariableTabContribution[" + uri + "]";\r
  92         }\r
  93 \r
  94 }\r