X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fevaluator%2FHintNode.java;fp=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fevaluator%2FHintNode.java;h=81c71da6036f6d6d230d974ff46a220aa547a0c6;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/HintNode.java b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/HintNode.java
new file mode 100644
index 000000000..81c71da60
--- /dev/null
+++ b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/HintNode.java
@@ -0,0 +1,57 @@
+package org.simantics.document.linking.report.evaluator;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.document.linking.report.DocumentLine;
+
+
+public abstract class HintNode extends EvaluatorNode{
+	
+	
+	public abstract Object getHintValue();
+	public abstract Object getHintClass();
+	
+	@Override
+	public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context)
+			throws DatabaseException {
+		if (children.size() > 0)
+			return children.get(0).getValue(graph, variable, context);
+		return null;
+	}
+	
+	@Override
+	public List<DocumentLine> getLines(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {
+		if (children.size() > 0) {
+			List<DocumentLine> list = children.get(0).getLines(graph, variable, context);
+			for (DocumentLine line : list)
+				line.getHints().put(getHintClass(), getHintValue());
+			return list;
+		}
+		return Collections.emptyList();
+	}
+
+	
+	@Override
+	public List<Class<? extends EvaluatorItem>> getPossibleChildren(boolean add) {
+		if (add && children.size() > 0)
+			return Collections.emptyList();
+		return super.getPossibleChildren(add);
+	}
+	
+	@Override
+	public boolean acceptChild(EvaluatorItem item) {
+		return children.size() == 0;
+	}
+	
+	@Override
+	public boolean acceptChild(int index, EvaluatorItem item) {
+		return children.size() == 0;
+	}
+	
+
+}