Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/RelatedPropertyModification.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/RelatedPropertyModification.java
new file mode 100644 (file)
index 0000000..dc08960
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+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/RelatedPropertyModification.java
@@ -0,0 +1,58 @@
+/*******************************************************************************\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.databoard.binding.Binding;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.CommentMetadata;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.synchronization.ModificationAdapter;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class RelatedPropertyModification extends ModificationAdapter {\r
+    private final Resource subject;\r
+    private final Resource relation;\r
+    private final Resource propertyRelation;\r
+    private final Resource type;\r
+    private final Object value;\r
+    private final Binding binding;\r
+\r
+    public RelatedPropertyModification(Resource subject, Resource relation, Resource propertyRelation, Resource propertyType, Object value, Binding binding) {\r
+        super(LOW_PRIORITY);\r
+        this.subject = subject;\r
+        this.relation = relation;\r
+        this.propertyRelation = propertyRelation;\r
+        this.type = propertyType;\r
+        this.value = value;\r
+        this.binding = binding;\r
+    }\r
+\r
+    @Override\r
+    public void perform(WriteGraph g) throws DatabaseException {\r
+        Resource propertyOwner = g.getPossibleObject(subject, relation);\r
+        if (propertyOwner != null) {\r
+               Object existing = g.getPossibleRelatedValue(propertyOwner, propertyRelation, binding);\r
+               if(!value.equals(existing)) {\r
+               g.markUndoPoint();\r
+                       DiagramGraphUtil.setRelatedValue(g, propertyOwner, propertyRelation, type, value, binding);\r
+                       // Add comment to change set.\r
+                       CommentMetadata cm = g.getMetadata(CommentMetadata.class);\r
+                       g.addMetadata(cm.add("Changed property " + NameUtils.getSafeLabel(g, propertyRelation) + " in " + NameUtils.getSafeName(g, propertyOwner)));\r
+               }\r
+        }\r
+    }\r
+    \r
+}
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