Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/FlagSynchronizer.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/FlagSynchronizer.java
new file mode 100644 (file)
index 0000000..3c83525
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/FlagSynchronizer.java
@@ -0,0 +1,48 @@
+/*******************************************************************************\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.diagram.synchronization.IModificationQueue;\r
+import org.simantics.diagram.synchronization.ISynchronizationContext;\r
+import org.simantics.g2d.elementclass.FlagClass;\r
+import org.simantics.utils.datastructures.hints.IHintObservable;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class FlagSynchronizer extends ResourceSynchronizer {\r
+\r
+    public static final FlagSynchronizer INSTANCE = new FlagSynchronizer();\r
+\r
+    protected static final Key[] SYNCHRONIZED_HINTS = {\r
+        FlagClass.KEY_FLAG_TYPE,\r
+    };\r
+\r
+    @Override\r
+    public Key[] getSynchronizedHints() {\r
+        return SYNCHRONIZED_HINTS;\r
+    }\r
+\r
+    @Override\r
+    public boolean hintChanged(ISynchronizationContext context, IModificationQueue queue, Resource object, IHintObservable sender, Key key, Object oldValue, Object newValue) {\r
+        BasicResources br = context.get(GraphSynchronizationHints.BASIC_RESOURCES);\r
+        if (FlagClass.KEY_FLAG_TYPE.equals(key)) {\r
+            FlagClass.Type type = (FlagClass.Type) newValue;\r
+            return queue.offer(new EnumerationModification(object, br.DIA.HasFlagType, DiagramGraphUtil.toFlagTypeResource(br.DIA, type)));\r
+        }\r
+\r
+        return super.hintChanged(context, sender, key, oldValue, newValue);\r
+    }\r
+\r
+}\r