X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.selectionview%2Fsrc%2Forg%2Fsimantics%2Fselectionview%2FAbstractVariableTabContribution.java;fp=bundles%2Forg.simantics.selectionview%2Fsrc%2Forg%2Fsimantics%2Fselectionview%2FAbstractVariableTabContribution.java;h=d51c1cb2721e62531876c4ec0246a6723bd44207;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.selectionview/src/org/simantics/selectionview/AbstractVariableTabContribution.java b/bundles/org.simantics.selectionview/src/org/simantics/selectionview/AbstractVariableTabContribution.java
new file mode 100644
index 000000000..d51c1cb27
--- /dev/null
+++ b/bundles/org.simantics.selectionview/src/org/simantics/selectionview/AbstractVariableTabContribution.java
@@ -0,0 +1,94 @@
+package org.simantics.selectionview;
+
+import java.util.Collection;
+
+import org.simantics.Simantics;
+import org.simantics.databoard.Bindings;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.utils.Functions;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.layer0.Layer0;
+import org.simantics.scl.runtime.function.Function;
+import org.simantics.ui.selection.WorkbenchSelectionUtils;
+
+abstract public class AbstractVariableTabContribution implements TabContribution<Object> {
+
+	final private String uri;
+	final protected Resource configuration;
+
+	public AbstractVariableTabContribution(ReadGraph graph, Resource configuration) throws DatabaseException {
+		this.configuration = configuration;
+		this.uri = graph.getURI(configuration);
+	}
+
+	public abstract void getContributors(ReadGraph graph, Variable variable, Integer priority, String label, Collection<ComparableTabContributor> result) throws DatabaseException;
+
+	@Override
+	public boolean accept(ReadGraph graph, Object input) throws DatabaseException {
+		return true;
+	}
+
+	public boolean accept(ReadGraph graph, Variable variable, Object selection) throws DatabaseException {
+
+		if(selection instanceof SelectionInput) {
+		
+			SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
+			for(Resource r : graph.getObjects(configuration, SEL.AbstractVariableTabContribution_HasTest)) {
+				Boolean pass = Functions.exec(graph, r, graph, (SelectionInput)selection);
+				if(!pass) return false;
+			}
+		
+			Variable configurationVariable = Variables.getVariable(graph, configuration);
+			Function f = configurationVariable.getPossiblePropertyValue(graph, SEL.AbstractVariableTabContribution_testFunction);
+			if(f != null) {
+				Boolean pass = Simantics.<Boolean>applySCLRead(graph, f, variable);
+				if(!pass) return false;
+			}
+			
+		} else {
+			
+			return false;
+			
+		}
+		
+		return true;
+		
+	}
+	
+	final private Variable getPossibleVariable(ReadGraph graph, Object selection) throws DatabaseException {
+		if(selection instanceof SelectionInput) {
+			SelectionInput si = (SelectionInput)selection;
+			if(si.getElements().size() == 1) {
+				return WorkbenchSelectionUtils.getPossibleVariable(graph, si.getElements().iterator().next());
+			}
+		}
+		return null;
+	} 
+	
+	@Override
+	final public void contribute(ReadGraph graph, final Object selection, Collection<ComparableTabContributor> result) throws DatabaseException {
+		
+		Variable variable = getPossibleVariable(graph, selection);
+		if(variable == null) return;
+
+		Layer0 L0 = Layer0.getInstance(graph);
+		SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
+
+		Integer priority = graph.getPossibleRelatedValue(configuration, SEL.AbstractVariableTabContribution_HasPriority, Bindings.INTEGER);
+		String label = graph.getPossibleRelatedValue(configuration, L0.HasLabel);
+		
+		if(!accept(graph, variable, selection)) return;
+
+		getContributors(graph, variable, priority, label, result);		
+
+	}
+	
+	@Override
+	public String toString() {
+		return "AbstractVariableTabContribution[" + uri + "]";
+	}
+
+}