X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2Fviewpoint%2FVariablePropertyRule.java;fp=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2Fviewpoint%2FVariablePropertyRule.java;h=76ec9b919b73a82bf4d7aad785a2bf6a711b6ee9;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/viewpoint/VariablePropertyRule.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/viewpoint/VariablePropertyRule.java
new file mode 100644
index 000000000..76ec9b919
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/viewpoint/VariablePropertyRule.java
@@ -0,0 +1,145 @@
+package org.simantics.modeling.ui.viewpoint;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+
+import org.simantics.browsing.ui.model.children.ChildRule;
+import org.simantics.databoard.Bindings;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.db.layer0.variable.Variables.Role;
+import org.simantics.layer0.Layer0;
+import org.simantics.modeling.ModelingResources;
+import org.simantics.selectionview.SelectionViewResources;
+
+public class VariablePropertyRule implements ChildRule {
+
+	final private ArrayList<String> requiredProperties = new ArrayList<String>();
+	final private ArrayList<String> filteredProperties = new ArrayList<String>();
+	
+	public VariablePropertyRule(ReadGraph graph, Resource rule) throws DatabaseException {
+
+		ModelingResources MOD = ModelingResources.getInstance(graph);
+		for(Resource r : graph.getObjects(rule, MOD.ModelingBrowseContext_VariablePropertyRule_RequireProperty)) {
+			String name = graph.getValue(r, Bindings.STRING);
+			requiredProperties.add(name);
+		}
+		for(Resource r : graph.getObjects(rule, MOD.ModelingBrowseContext_VariablePropertyRule_FilterProperty)) {
+			String name = graph.getValue(r, Bindings.STRING);
+			filteredProperties.add(name);
+		}
+		
+	}
+	
+    @Override
+    public boolean isCompatible(Class<?> contentType) {
+        return contentType.equals(Variable.class);
+    }
+
+    private boolean validate(ReadGraph graph, Variable parent, Variable child) throws DatabaseException {
+    	
+    	Resource predicate = child.getPossiblePredicateResource(graph);
+    	if(predicate == null) return true;
+    	
+    	Layer0 L0 = Layer0.getInstance(graph);
+    	if(L0.HasName.equals(predicate) || L0.HasLabel.equals(predicate)) {
+            Role role = parent.getRole(graph);
+            if(role == Role.PROPERTY) return false;
+    	}
+    	return true;
+    }
+    
+    @Override
+    public Collection<?> getChildren(ReadGraph graph, Object parent_)
+            throws DatabaseException {
+    	
+    	Variable parent = (Variable)parent_;
+    	
+    	ArrayList<Variable> result = new ArrayList<Variable>();
+
+    	Collection<Variable> properties = parent.getProperties(graph);
+    	ArrayList<Resource> propertiesPredicates = new ArrayList<Resource>();
+    	for (Variable property : properties) {
+    	    Resource r = property.getPossiblePredicateResource(graph);
+    	    if (r != null)
+    	        propertiesPredicates.add(r);
+    	}
+    	
+    	Layer0 L0 = Layer0.getInstance(graph);
+    	SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
+    	
+    	props: for(Variable property : properties) {
+    		
+    	    if (isUnder(graph, L0, SEL, property, propertiesPredicates)) continue props;
+    	    
+    		for(String req : requiredProperties) if(property.getPossibleProperty(graph, req) == null) continue props;
+
+    		for(String req : filteredProperties) if(property.getName(graph).equals(req)) continue props;
+
+    		if(!validate(graph, parent, property)) continue;
+    				
+    		//System.err.println("add " + property.getURI(graph));
+    		
+    		result.add(property);
+    				
+    	}
+    	
+    	Resource predicateResource = parent.getPossiblePredicateResource(graph);
+    	if (predicateResource != null) {
+        	Collection<Resource> underOfs = graph.getObjects(predicateResource, SEL.UnderOf);
+        	if (!underOfs.isEmpty()) {
+        	    Collection<Variable> siblings = parent.getParent(graph).getProperties(graph);
+        	    for (Variable sibling : siblings) {
+        	        Resource r = sibling.getPossiblePredicateResource(graph);
+        	        if (r != null) {
+                        if (underOfs.contains(r))
+                            result.add(sibling);
+        	        }
+        	    }
+        	}
+    	}
+    	
+    	if(isUnderProperty(graph, parent)) {
+	    	Collection<Variable> children = parent.getChildren(graph);
+	    	for(Variable child : children) {
+	            result.add(child);
+	    	}
+    	}
+    	
+        return result;
+    }
+    
+    private boolean isUnderProperty(ReadGraph graph, Variable variable) throws DatabaseException {
+    	Role role = variable.getRole(graph);
+    	if(Role.PROPERTY.equals(role)) {
+    		return true;
+    	}
+    	Variable parent = variable.getParent(graph);
+    	if(parent == null) return false;
+    	else return isUnderProperty(graph, parent);
+    	
+    }
+
+    private boolean isUnder(ReadGraph graph, Layer0 L0, SelectionViewResources SEL, Variable property, ArrayList<Resource> propertiesPredicates) throws DatabaseException {
+        Resource predicate = property.getPossiblePredicateResource(graph);
+        if (predicate == null)
+            return false;
+        Collection<Resource> shownUnders = graph.getObjects(predicate, SEL.IsShownUnder);
+        return !Collections.disjoint(propertiesPredicates, shownUnders);
+    }
+    
+    @Override
+    public Collection<?> getParents(ReadGraph graph, Object child)
+            throws DatabaseException {
+        Variable parent = ((Variable)child).getParent(graph);
+        if(parent == null)
+            return Collections.emptyList();
+        else
+            return Collections.singleton(parent);
+    }
+
+}