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[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / chart / property / TemplateModifier.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
3  * Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.modeling.ui.chart.property;\r
13 \r
14 import org.simantics.browsing.ui.swt.widgets.impl.ModifyComboListenerImpl;\r
15 import org.simantics.db.Resource;\r
16 import org.simantics.db.WriteGraph;\r
17 import org.simantics.db.exception.DatabaseException;\r
18 import org.simantics.operation.Layer0X;\r
19 \r
20 public class TemplateModifier extends ModifyComboListenerImpl<Resource, Resource> {\r
21 \r
22     @Override\r
23     public void applySelection(WriteGraph graph, Resource monitor, Resource template) throws DatabaseException {\r
24 \r
25         Layer0X L0X = Layer0X.getInstance(graph);\r
26         Resource exist = graph.getPossibleObject(monitor, L0X.ObtainsProperty);\r
27         if(template.equals(exist)) return;\r
28 \r
29         graph.deny(monitor, L0X.ObtainsProperty);\r
30         graph.claim(monitor, L0X.ObtainsProperty1, null, template);\r
31 \r
32     }\r
33 \r
34 }