]> gerrit.simantics Code Review - simantics/platform.git/blob - chart/property/TimePropertyModifier.java
Fixed multiple issues causing dangling references to discarded queries
[simantics/platform.git] / chart / property / TimePropertyModifier.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
3  * Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.modeling.ui.chart.property;
13
14 import org.simantics.browsing.ui.swt.widgets.impl.TextModifyListenerImpl;
15 import org.simantics.databoard.Bindings;
16 import org.simantics.db.Resource;
17 import org.simantics.db.WriteGraph;
18 import org.simantics.db.exception.DatabaseException;
19 import org.simantics.db.management.ISessionContext;
20
21 /**
22  * @author Toni Kalajainen
23  */
24 public class TimePropertyModifier extends TextModifyListenerImpl<Resource> {
25
26     final private String propertyURI;
27     TimeInputValidator validator;
28
29     public TimePropertyModifier(ISessionContext context, String propertyURI, TimeInputValidator validator) {
30         this.propertyURI = propertyURI;
31         this.validator = validator;
32     }
33
34     @Override
35     public void applyText(WriteGraph graph, Resource input, String text) throws DatabaseException {
36         Double x = validator.parse(text);
37         if (x == null) {
38             if (graph.hasStatement(input, graph.getResource(propertyURI)))
39                 graph.denyValue(input, graph.getResource(propertyURI));
40         } else {
41             graph.claimLiteral(input, graph.getResource(propertyURI), x, Bindings.DOUBLE);
42         }
43     }
44
45 }
46