+package org.simantics.modeling.ui.viewpoint;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+\r
+import org.simantics.browsing.ui.model.children.ChildRule;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.db.layer0.variable.Variables.Role;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.selectionview.SelectionViewResources;\r
+\r
+public class VariablePropertyRule implements ChildRule {\r
+\r
+ final private ArrayList<String> requiredProperties = new ArrayList<String>();\r
+ final private ArrayList<String> filteredProperties = new ArrayList<String>();\r
+ \r
+ public VariablePropertyRule(ReadGraph graph, Resource rule) throws DatabaseException {\r
+\r
+ ModelingResources MOD = ModelingResources.getInstance(graph);\r
+ for(Resource r : graph.getObjects(rule, MOD.ModelingBrowseContext_VariablePropertyRule_RequireProperty)) {\r
+ String name = graph.getValue(r, Bindings.STRING);\r
+ requiredProperties.add(name);\r
+ }\r
+ for(Resource r : graph.getObjects(rule, MOD.ModelingBrowseContext_VariablePropertyRule_FilterProperty)) {\r
+ String name = graph.getValue(r, Bindings.STRING);\r
+ filteredProperties.add(name);\r
+ }\r
+ \r
+ }\r
+ \r
+ @Override\r
+ public boolean isCompatible(Class<?> contentType) {\r
+ return contentType.equals(Variable.class);\r
+ }\r
+\r
+ private boolean validate(ReadGraph graph, Variable parent, Variable child) throws DatabaseException {\r
+ \r
+ Resource predicate = child.getPossiblePredicateResource(graph);\r
+ if(predicate == null) return true;\r
+ \r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ if(L0.HasName.equals(predicate) || L0.HasLabel.equals(predicate)) {\r
+ Role role = parent.getRole(graph);\r
+ if(role == Role.PROPERTY) return false;\r
+ }\r
+ return true;\r
+ }\r
+ \r
+ @Override\r
+ public Collection<?> getChildren(ReadGraph graph, Object parent_)\r
+ throws DatabaseException {\r
+ \r
+ Variable parent = (Variable)parent_;\r
+ \r
+ ArrayList<Variable> result = new ArrayList<Variable>();\r
+\r
+ Collection<Variable> properties = parent.getProperties(graph);\r
+ ArrayList<Resource> propertiesPredicates = new ArrayList<Resource>();\r
+ for (Variable property : properties) {\r
+ Resource r = property.getPossiblePredicateResource(graph);\r
+ if (r != null)\r
+ propertiesPredicates.add(r);\r
+ }\r
+ \r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ SelectionViewResources SEL = SelectionViewResources.getInstance(graph);\r
+ \r
+ props: for(Variable property : properties) {\r
+ \r
+ if (isUnder(graph, L0, SEL, property, propertiesPredicates)) continue props;\r
+ \r
+ for(String req : requiredProperties) if(property.getPossibleProperty(graph, req) == null) continue props;\r
+\r
+ for(String req : filteredProperties) if(property.getName(graph).equals(req)) continue props;\r
+\r
+ if(!validate(graph, parent, property)) continue;\r
+ \r
+ //System.err.println("add " + property.getURI(graph));\r
+ \r
+ result.add(property);\r
+ \r
+ }\r
+ \r
+ Resource predicateResource = parent.getPossiblePredicateResource(graph);\r
+ if (predicateResource != null) {\r
+ Collection<Resource> underOfs = graph.getObjects(predicateResource, SEL.UnderOf);\r
+ if (!underOfs.isEmpty()) {\r
+ Collection<Variable> siblings = parent.getParent(graph).getProperties(graph);\r
+ for (Variable sibling : siblings) {\r
+ Resource r = sibling.getPossiblePredicateResource(graph);\r
+ if (r != null) {\r
+ if (underOfs.contains(r))\r
+ result.add(sibling);\r
+ }\r
+ }\r
+ }\r
+ }\r
+ \r
+ if(isUnderProperty(graph, parent)) {\r
+ Collection<Variable> children = parent.getChildren(graph);\r
+ for(Variable child : children) {\r
+ result.add(child);\r
+ }\r
+ }\r
+ \r
+ return result;\r
+ }\r
+ \r
+ private boolean isUnderProperty(ReadGraph graph, Variable variable) throws DatabaseException {\r
+ Role role = variable.getRole(graph);\r
+ if(Role.PROPERTY.equals(role)) {\r
+ return true;\r
+ }\r
+ Variable parent = variable.getParent(graph);\r
+ if(parent == null) return false;\r
+ else return isUnderProperty(graph, parent);\r
+ \r
+ }\r
+\r
+ private boolean isUnder(ReadGraph graph, Layer0 L0, SelectionViewResources SEL, Variable property, ArrayList<Resource> propertiesPredicates) throws DatabaseException {\r
+ Resource predicate = property.getPossiblePredicateResource(graph);\r
+ if (predicate == null)\r
+ return false;\r
+ Collection<Resource> shownUnders = graph.getObjects(predicate, SEL.IsShownUnder);\r
+ return !Collections.disjoint(propertiesPredicates, shownUnders);\r
+ }\r
+ \r
+ @Override\r
+ public Collection<?> getParents(ReadGraph graph, Object child)\r
+ throws DatabaseException {\r
+ Variable parent = ((Variable)child).getParent(graph);\r
+ if(parent == null)\r
+ return Collections.emptyList();\r
+ else\r
+ return Collections.singleton(parent);\r
+ }\r
+\r
+}\r