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

   1 package org.simantics.selectionview;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5 import java.util.HashSet;
   6
   7 import org.simantics.browsing.ui.model.children.ChildRule;
   8 import org.simantics.databoard.Bindings;
   9 import org.simantics.db.ReadGraph;
  10 import org.simantics.db.Resource;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.layer0.variable.Variable;
  13 import org.simantics.modeling.ModelingResources;
  14
  15 public class VariablePropertyCategoryRule implements ChildRule {
  16
  17         final private ArrayList<String> requiredProperties = new ArrayList<String>();
  18         final Resource rule;
  19
  20         public VariablePropertyCategoryRule(ReadGraph graph, Resource rule) throws DatabaseException {
  21
  22                 ModelingResources MOD = ModelingResources.getInstance(graph);
  23                 for(Resource r : graph.getObjects(rule, MOD.ModelingBrowseContext_VariablePropertyRule_RequireProperty)) {
  24                         String name = graph.getValue(r, Bindings.STRING);
  25                         requiredProperties.add(name);
  26                 }
  27
  28                 this.rule = rule;
  29
  30         }
  31
  32     @Override
  33     public boolean isCompatible(Class<?> contentType) {
  34         return contentType.equals(Variable.class);
  35     }
  36
  37     @Override
  38     public Collection<?> getChildren(ReadGraph graph, Object parent) throws DatabaseException {
  39
  40         HashSet<CategoryNode> result = new HashSet<CategoryNode>();
  41
  42         props: for(Variable property : ((Variable)parent).getProperties(graph)) {
  43
  44                 for(String req : requiredProperties) {
  45                         if(property.getPossibleProperty(graph, req) == null) continue props;
  46                 }
  47
  48                 Variable info = property.getPossibleProperty(graph, SelectionVariables.PROPERTY_INFO);
  49                 if(info != null) {
  50
  51                         Variable special = SelectionViewUtils.getSpecialCategory(graph, rule, info);
  52                         if(special != null) info = special;
  53
  54                         Boolean hidden = info.getPossiblePropertyValue(graph, SelectionVariables.CATEGORY_HIDDEN, Bindings.BOOLEAN);
  55                         if(hidden != null && hidden) continue;
  56                         String name = info.getPossiblePropertyValue(graph, SelectionVariables.CATEGORY_NAME, Bindings.STRING);
  57                         if(name == null) continue;
  58                         String sortName = info.getPossiblePropertyValue(graph, SelectionVariables.CATEGORY_SORTING_NAME, Bindings.STRING);
  59                         result.add(new CategoryNodeImpl(name, sortName));
  60
  61                 }
  62
  63         }
  64
  65         return result;
  66
  67     }
  68
  69     @Override
  70     public Collection<?> getParents(ReadGraph graph, Object child)
  71             throws DatabaseException {
  72         return null;
  73     }
  74
  75 }