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Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.charts / src / org / simantics / charts / function / Labels.java
1 /*******************************************************************************\r
2  * Copyright (c) 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.charts.function;\r
13 \r
14 import org.simantics.charts.ontology.ChartResource;\r
15 import org.simantics.charts.ui.ChartItemLabelRule;\r
16 import org.simantics.databoard.Bindings;\r
17 import org.simantics.db.ReadGraph;\r
18 import org.simantics.db.Resource;\r
19 import org.simantics.db.exception.DatabaseException;\r
20 import org.simantics.db.layer0.variable.Variable;\r
21 import org.simantics.layer0.Layer0;\r
22 import org.simantics.modeling.subscription.SubscriptionItemLabel;\r
23 import org.simantics.scl.reflection.annotations.SCLValue;\r
24 \r
25 /**\r
26  * @author Tuukka Lehtonen\r
27  */\r
28 public class Labels {\r
29 \r
30     @SCLValue(type = "ReadGraph -> Resource -> a -> String")\r
31     public static String chartItemLabel(ReadGraph graph, Resource resource, Object context) throws DatabaseException {\r
32         if (context instanceof Resource) {\r
33             return ChartItemLabelRule.INSTANCE.getLabel_(graph, (Resource) context);\r
34         } else if (context instanceof Variable) {\r
35                 Variable var = (Variable)context;\r
36                 Resource r = var.getParent(graph).getPossibleRepresents(graph);\r
37                 if(r == null) return "";\r
38             return ChartItemLabelRule.INSTANCE.getLabel_(graph, r);\r
39         } else {\r
40             throw new DatabaseException("Unknown context " + context);\r
41         }\r
42     }\r
43 \r
44     @SCLValue(type = "ReadGraph -> Resource -> a -> String")\r
45     public static String chartItemSubscriptionInfo(ReadGraph graph, Resource resource, Object context) throws DatabaseException {\r
46         Resource chartItem = null;\r
47         if (context instanceof Resource) {\r
48             chartItem = (Resource) context;\r
49         } else if (context instanceof Variable) {\r
50             Variable var = (Variable) context;\r
51             chartItem = var.getParent(graph).getPossibleRepresents(graph);\r
52         } else {\r
53             throw new DatabaseException("Unknown context " + context);\r
54         }\r
55         if (chartItem == null)\r
56             return "";\r
57 \r
58         ChartResource CHART = ChartResource.getInstance(graph);\r
59         Resource subscriptionItem = graph.getPossibleObject(chartItem, CHART.Chart_Item_HasSubscriptionItem);\r
60         if (subscriptionItem == null)\r
61             return "Not bound to a subscription item";\r
62 \r
63         String itemLabel = SubscriptionItemLabel.resolveLabel(graph, subscriptionItem, null, false, false, false);\r
64 \r
65         Layer0 L0 = Layer0.getInstance(graph);\r
66         Resource subscription = graph.getPossibleObject(subscriptionItem, L0.PartOf);\r
67         if (subscription != null) {\r
68             String subscriptionLabel = graph.getPossibleRelatedValue2(subscription, L0.HasLabel, Bindings.STRING);\r
69             if (subscriptionLabel != null) {\r
70                 return itemLabel + " in subscription " + subscriptionLabel;\r
71             }\r
72         }\r
73 \r
74         return itemLabel;\r
75     }\r
76 \r
77 }