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[simantics/platform.git] / bundles / org.simantics.structural.ui / src / org / simantics / structural / ui / modelBrowser / contributions / ComponentLabelDecorator.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.structural.ui.modelBrowser.contributions;\r
13 \r
14 import org.eclipse.jface.resource.ColorDescriptor;\r
15 import org.eclipse.swt.graphics.RGB;\r
16 import org.simantics.browsing.ui.content.LabelDecorator;\r
17 import org.simantics.browsing.ui.graph.contributor.labeler.LabelDecoratorContributor;\r
18 import org.simantics.db.ReadGraph;\r
19 import org.simantics.db.exception.DatabaseException;\r
20 import org.simantics.modeling.ModelingResources;\r
21 import org.simantics.structural.ui.modelBrowser.nodes.ComponentNode;\r
22 \r
23 public class ComponentLabelDecorator extends LabelDecoratorContributor<ComponentNode> {\r
24 \r
25     static ColorDescriptor RED = null;\r
26 \r
27     public static ColorDescriptor getRED() {\r
28         if (RED == null)\r
29             RED = ColorDescriptor.createFrom(new RGB(255, 0, 0));\r
30         return RED;\r
31     }\r
32 \r
33     @Override\r
34     public LabelDecorator getDecorator(ReadGraph g, ComponentNode node) throws DatabaseException {\r
35 \r
36         ModelingResources mr = ModelingResources.getInstance(g);\r
37         if (!g.hasStatement(node.resource, mr.ComponentToElement)) {\r
38             return new LabelDecorator.Stub() {\r
39                 @SuppressWarnings("unchecked")\r
40                 @Override\r
41                 public <C> C decorateForeground(C color, String column, int itemIndex) {\r
42                     return (C) getRED();\r
43                 }\r
44             };\r
45         }\r
46 \r
47         return null;\r
48 \r
49     }\r
50 \r
51 }\r