]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/GraphInputSources.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / GraphInputSources.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in 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.browsing.ui.graph.impl;
13
14 import org.eclipse.ui.IWorkbenchPart;
15 import org.simantics.Simantics;
16 import org.simantics.browsing.ui.GraphExplorer;
17 import org.simantics.db.Resource;
18 import org.simantics.db.management.ISessionContext;
19
20 /**
21  * @author Antti Villberg
22  */
23 public class GraphInputSources {
24
25     public static SessionContextInputSource uriSource(String uri) {
26         return new URIResourceInputSource(uri);
27     }
28
29     public static SessionContextInputSource projectSource() {
30         return new SessionContextInputSource() {
31             @Override
32             public Object get(ISessionContext ctx) {
33                 Resource project = Simantics.peekProjectResource();
34                 return project != null ? project : GraphExplorer.EMPTY_INPUT;
35             }
36             @Override
37             public IWorkbenchPart getProvider() {
38                 return null;
39             }
40         };
41     }
42
43     public static SessionContextInputSource constant(final Object input) {
44         if (input == null)
45             throw new NullPointerException("null input");
46         return new SessionContextInputSource() {
47             @Override
48             public Object get(ISessionContext ctx) {
49                 return input;
50             }
51             @Override
52             public IWorkbenchPart getProvider() {
53                 return null;
54             }
55         };
56     }
57
58     public static SessionContextInputSource workbenchSelection() {
59         return new WorkbenchSelectionInputSource();
60     }
61
62 }