Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.document.linking.ui / src / org / simantics / document / linking / report / evaluator / HintNode.java

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 (file)
index 0000000..81c71da
--- /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;\r
+\r
+import java.util.Collections;\r
+import java.util.List;\r
+import java.util.Map;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.document.linking.report.DocumentLine;\r
+\r
+\r
+public abstract class HintNode extends EvaluatorNode{\r
+       \r
+       \r
+       public abstract Object getHintValue();\r
+       public abstract Object getHintClass();\r
+       \r
+       @Override\r
+       public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context)\r
+                       throws DatabaseException {\r
+               if (children.size() > 0)\r
+                       return children.get(0).getValue(graph, variable, context);\r
+               return null;\r
+       }\r
+       \r
+       @Override\r
+       public List<DocumentLine> getLines(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {\r
+               if (children.size() > 0) {\r
+                       List<DocumentLine> list = children.get(0).getLines(graph, variable, context);\r
+                       for (DocumentLine line : list)\r
+                               line.getHints().put(getHintClass(), getHintValue());\r
+                       return list;\r
+               }\r
+               return Collections.emptyList();\r
+       }\r
+\r
+       \r
+       @Override\r
+       public List<Class<? extends EvaluatorItem>> getPossibleChildren(boolean add) {\r
+               if (add && children.size() > 0)\r
+                       return Collections.emptyList();\r
+               return super.getPossibleChildren(add);\r
+       }\r
+       \r
+       @Override\r
+       public boolean acceptChild(EvaluatorItem item) {\r
+               return children.size() == 0;\r
+       }\r
+       \r
+       @Override\r
+       public boolean acceptChild(int index, EvaluatorItem item) {\r
+               return children.size() == 0;\r
+       }\r
+       \r
+\r
+}\r