+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.synchronization.graph;\r
+\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.synchronization.ISynchronizationContext;\r
+import org.simantics.diagram.synchronization.ModificationAdapter;\r
+import org.simantics.diagram.ui.DiagramModelHints;\r
+import org.simantics.g2d.diagram.DiagramHints;\r
+import org.simantics.g2d.diagram.DiagramMutator;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.structural2.modelingRules.ConnectionJudgement;\r
+import org.simantics.structural2.modelingRules.IModelingRules;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class SetConnectionType extends ModificationAdapter {\r
+\r
+ ISynchronizationContext context;\r
+ IDiagram diagram;\r
+ IElement element;\r
+\r
+ public SetConnectionType(ISynchronizationContext context, IDiagram diagram, IElement element) {\r
+ super(SET_CONNECTION_TYPE_PRIORITY);\r
+ this.context = context;\r
+ this.diagram = diagram;\r
+ this.element = element;\r
+ }\r
+\r
+ Resource getDesiredConnectionType(IElement e) {\r
+ Object obj = e.getHint(ElementHints.KEY_CONNECTION_TYPE);\r
+ if (obj instanceof Resource)\r
+ return (Resource) obj;\r
+ if (obj instanceof ConnectionJudgement) {\r
+ ConnectionJudgement judgement = (ConnectionJudgement) obj;\r
+ return judgement.connectionType;\r
+ }\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ DiagramMutator mutator = diagram.getHint(DiagramHints.KEY_MUTATOR);\r
+ IModelingRules modelingRules = diagram.getHint(DiagramModelHints.KEY_MODELING_RULES);\r
+\r
+ Resource connection = mutator.backendObject(element);\r
+ Resource connectionType = getDesiredConnectionType(element);\r
+\r
+ if (connectionType != null && modelingRules != null) {\r
+ modelingRules.setConnectionType(graph, connection, connectionType);\r
+ }\r
+ }\r
+\r
+}\r