blob: b06e6c52c2f5bf8e8ae9c9e492ebb649afd98c00 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*******************************************************************************
* Copyright (c) 2015 Obeo.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.ui.tools.internal.editor.tabbar;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.sirius.common.tools.api.util.EclipseUtil;
import org.eclipse.sirius.common.tools.api.util.StringUtil;
import org.eclipse.sirius.diagram.ui.provider.DiagramUIPlugin;
import org.eclipse.sirius.diagram.ui.provider.Messages;
import org.eclipse.sirius.diagram.ui.tools.api.editor.tabbar.ITabbarContributor;
import org.eclipse.sirius.viewpoint.SiriusPlugin;
/**
* This implementation of {@link ITabbarContributorProvider} looks for extension
* in the extension point.
*
* @author Florian Barbin
*
*/
public class ExtensionPointTabbarContributorProvider implements ITabbarContributorProvider {
/**
* The tabbar extension point ID.
*/
public static final String EXTENSION_ID = "org.eclipse.sirius.diagram.ui.tabbarContributor"; //$NON-NLS-1$
private List<ITabbarContributor> loadedExtensions;
@Override
public boolean hasContributor() {
if (loadedExtensions == null) {
loadExtensions();
}
return !loadedExtensions.isEmpty();
}
@Override
public ITabbarContributor getContributor() {
return getContributor(null);
}
@Override
public ITabbarContributor getContributor(ISelection selection) {
if (loadedExtensions == null) {
loadExtensions();
}
for (ITabbarContributor extension : loadedExtensions) {
if (extension.accept(selection)) {
return extension;
}
}
return null;
}
private void loadExtensions() {
this.loadedExtensions = new ArrayList<ITabbarContributor>();
IConfigurationElement[] configurationElements = EclipseUtil.getConfigurationElementsFor(EXTENSION_ID);
for (IConfigurationElement configurationElement : configurationElements) {
try {
Object contribution = configurationElement.createExecutableExtension("class"); //$NON-NLS-1$
if (contribution instanceof ITabbarContributor) {
loadedExtensions.add((ITabbarContributor) contribution);
}
} catch (CoreException e) {
String extensionId = null;
Object parent = configurationElement.getParent();
if (parent instanceof IExtension) {
extensionId = ((IExtension) parent).getUniqueIdentifier();
}
String message = StringUtil.EMPTY_STRING;
if (extensionId != null) {
message = MessageFormat.format(Messages.DefaultTabbarContributorProvider_contributionError_withId, extensionId);
} else {
message = Messages.DefaultTabbarContributorProvider_contributionError;
}
SiriusPlugin.getDefault().getLog().log(new Status(IStatus.WARNING, DiagramUIPlugin.ID, message, e));
}
}
}
}
|