--- /dev/null
+/*******************************************************************************\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 java.awt.geom.AffineTransform;\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.content.ConnectionUtil;\r
+import org.simantics.diagram.synchronization.ModificationAdapter;\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.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.elementclass.BranchPoint;\r
+import org.simantics.g2d.elementclass.BranchPoint.Direction;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class AddBranchpoint extends ModificationAdapter {\r
+\r
+ IDiagram diagram;\r
+ IElement connection;\r
+ IElement element;\r
+\r
+ public AddBranchpoint(IDiagram diagram, IElement connection, IElement element) {\r
+ super(ADD_BRANCH_PRIORITY);\r
+ this.diagram = diagram;\r
+ this.connection = connection;\r
+ this.element = element;\r
+ }\r
+\r
+ @Override\r
+ public void perform(WriteGraph g) throws DatabaseException {\r
+ ConnectionUtil cu = new ConnectionUtil(g);\r
+\r
+ DiagramMutator mutator = diagram.getHint(DiagramHints.KEY_MUTATOR);\r
+\r
+ Resource connectionResource = mutator.backendObject(connection);\r
+\r
+ AffineTransform tr = ElementUtils.getTransform(element);\r
+ Direction dir = element.getElementClass().getSingleItem(BranchPoint.class).getDirectionPreference(element, null);\r
+ Resource bp = cu.newBranchPoint(connectionResource, tr, dir);\r
+\r
+ element.setHint(ElementHints.KEY_OBJECT, bp);\r
+ mutator.register(element, bp);\r
+ }\r
+\r
+}\r