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[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / processors / DefaultLabelDecoratorProcessor.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
3  * in 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.browsing.ui.common.processors;\r
13 \r
14 import org.simantics.browsing.ui.NodeContext;\r
15 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
16 import org.simantics.browsing.ui.BuiltinKeys.LabelDecoratorKey;\r
17 import org.simantics.browsing.ui.NodeContext.PrimitiveQueryKey;\r
18 import org.simantics.browsing.ui.content.LabelDecorator;\r
19 import org.simantics.browsing.ui.content.LabelDecoratorFactory;\r
20 \r
21 public class DefaultLabelDecoratorProcessor extends AbstractPrimitiveQueryProcessor<LabelDecorator> {\r
22 \r
23     @Override\r
24     public Object getIdentifier() {\r
25         return LabelDecoratorKey.class;\r
26     }\r
27 \r
28     @Override\r
29     public LabelDecorator query(PrimitiveQueryUpdater updater, NodeContext context, PrimitiveQueryKey<LabelDecorator> key) {\r
30         LabelDecoratorKey k = (LabelDecoratorKey) key;\r
31         final LabelDecoratorFactory factory = k.getParameter(0);\r
32         if (factory == null)\r
33             return null;\r
34         return factory.create(updater, context, k);\r
35     }\r
36 \r
37     @Override\r
38     public String toString() {\r
39         return "LabelDecoratorProcessor";\r
40     }\r
41 \r
42 }