Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / synchronization / graph / SetConnectionType.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/SetConnectionType.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/SetConnectionType.java
new file mode 100644 (file)
index 0000000..28bbc77
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/SetConnectionType.java
@@ -0,0 +1,68 @@
+/*******************************************************************************\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