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[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / chart / property / TimePropertyModifier.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.TextModifyListenerImpl;\r
15 import org.simantics.databoard.Bindings;\r
16 import org.simantics.db.Resource;\r
17 import org.simantics.db.WriteGraph;\r
18 import org.simantics.db.exception.DatabaseException;\r
19 import org.simantics.db.management.ISessionContext;\r
20 \r
21 /**\r
22  * @author Toni Kalajainen\r
23  */\r
24 public class TimePropertyModifier extends TextModifyListenerImpl<Resource> {\r
25 \r
26     final private String propertyURI;\r
27     TimeInputValidator validator;\r
28 \r
29     public TimePropertyModifier(ISessionContext context, String propertyURI, TimeInputValidator validator) {\r
30         this.propertyURI = propertyURI;\r
31         this.validator = validator;\r
32     }\r
33 \r
34     @Override\r
35     public void applyText(WriteGraph graph, Resource input, String text) throws DatabaseException {\r
36         Double x = validator.parse(text);\r
37         if (x == null) {\r
38             if (graph.hasStatement(input, graph.getResource(propertyURI)))\r
39                 graph.denyValue(input, graph.getResource(propertyURI));\r
40         } else {\r
41             graph.claimLiteral(input, graph.getResource(propertyURI), x, Bindings.DOUBLE);\r
42         }\r
43     }\r
44 \r
45 }\r
46 \r