+package org.simantics.selectionview;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.Simantics;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.Functions;\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.layer0.Layer0;\r
+import org.simantics.scl.runtime.function.Function;\r
+import org.simantics.ui.selection.WorkbenchSelectionUtils;\r
+\r
+abstract public class AbstractVariableTabContribution implements TabContribution<Object> {\r
+\r
+ final private String uri;\r
+ final protected Resource configuration;\r
+\r
+ public AbstractVariableTabContribution(ReadGraph graph, Resource configuration) throws DatabaseException {\r
+ this.configuration = configuration;\r
+ this.uri = graph.getURI(configuration);\r
+ }\r
+\r
+ public abstract void getContributors(ReadGraph graph, Variable variable, Integer priority, String label, Collection<ComparableTabContributor> result) throws DatabaseException;\r
+\r
+ @Override\r
+ public boolean accept(ReadGraph graph, Object input) throws DatabaseException {\r
+ return true;\r
+ }\r
+\r
+ public boolean accept(ReadGraph graph, Variable variable, Object selection) throws DatabaseException {\r
+\r
+ if(selection instanceof SelectionInput) {\r
+ \r
+ SelectionViewResources SEL = SelectionViewResources.getInstance(graph);\r
+ for(Resource r : graph.getObjects(configuration, SEL.AbstractVariableTabContribution_HasTest)) {\r
+ Boolean pass = Functions.exec(graph, r, graph, (SelectionInput)selection);\r
+ if(!pass) return false;\r
+ }\r
+ \r
+ Variable configurationVariable = Variables.getVariable(graph, configuration);\r
+ Function f = configurationVariable.getPossiblePropertyValue(graph, SEL.AbstractVariableTabContribution_testFunction);\r
+ if(f != null) {\r
+ Boolean pass = Simantics.<Boolean>applySCLRead(graph, f, variable);\r
+ if(!pass) return false;\r
+ }\r
+ \r
+ } else {\r
+ \r
+ return false;\r
+ \r
+ }\r
+ \r
+ return true;\r
+ \r
+ }\r
+ \r
+ final private Variable getPossibleVariable(ReadGraph graph, Object selection) throws DatabaseException {\r
+ if(selection instanceof SelectionInput) {\r
+ SelectionInput si = (SelectionInput)selection;\r
+ if(si.getElements().size() == 1) {\r
+ return WorkbenchSelectionUtils.getPossibleVariable(graph, si.getElements().iterator().next());\r
+ }\r
+ }\r
+ return null;\r
+ } \r
+ \r
+ @Override\r
+ final public void contribute(ReadGraph graph, final Object selection, Collection<ComparableTabContributor> result) throws DatabaseException {\r
+ \r
+ Variable variable = getPossibleVariable(graph, selection);\r
+ if(variable == null) return;\r
+\r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ SelectionViewResources SEL = SelectionViewResources.getInstance(graph);\r
+\r
+ Integer priority = graph.getPossibleRelatedValue(configuration, SEL.AbstractVariableTabContribution_HasPriority, Bindings.INTEGER);\r
+ String label = graph.getPossibleRelatedValue(configuration, L0.HasLabel);\r
+ \r
+ if(!accept(graph, variable, selection)) return;\r
+\r
+ getContributors(graph, variable, priority, label, result); \r
+\r
+ }\r
+ \r
+ @Override\r
+ public String toString() {\r
+ return "AbstractVariableTabContribution[" + uri + "]";\r
+ }\r
+\r
+}\r