blob: 0b568edd0f0c966e5891d1a60af3eca4dd381df7 (
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*******************************************************************************
* Copyright (c) 2010 Peter Stibrany and others.
* 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:
* Peter Stibrany - initial API and implementation
* Tasktop Technologies - improvements
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.mylyn.internal.tasks.ui.util.AttachmentUtil;
import org.eclipse.mylyn.tasks.core.ITaskAttachment;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.editors.text.EditorsUI;
/**
* @author Peter Stibrany
*/
public class TaskAttachmentViewerManager {
public ITaskAttachmentViewer getBrowserViewer(ITaskAttachment attachment) {
if (attachment.getUrl() != null && attachment.getUrl().trim().length() > 0) {
return new TaskAttachmentBrowserViewer();
}
return null;
}
public List<ITaskAttachmentViewer> getWorkbenchViewers(ITaskAttachment attachment) {
List<ITaskAttachmentViewer> result = new ArrayList<ITaskAttachmentViewer>();
IEditorRegistry registry = PlatformUI.getWorkbench().getEditorRegistry();
IEditorDescriptor defaultEditor = registry.getDefaultEditor(AttachmentUtil.getAttachmentFilename(attachment));
if (defaultEditor != null) {
result.add(new TaskAttachmentEditorViewer(defaultEditor));
}
IEditorDescriptor defaultTextEditor = registry.findEditor(EditorsUI.DEFAULT_TEXT_EDITOR_ID); // may be null
if (defaultTextEditor != null
&& (defaultEditor == null || !defaultTextEditor.getId().equals(defaultEditor.getId()))) {
result.add(new TaskAttachmentEditorViewer(defaultTextEditor));
}
IEditorDescriptor[] descriptors = registry.getEditors(AttachmentUtil.getAttachmentFilename(attachment));
for (IEditorDescriptor ied : descriptors) {
if (defaultEditor == null || !ied.getId().equals(defaultEditor.getId())) {
result.add(new TaskAttachmentEditorViewer(ied));
}
}
return result;
}
public List<ITaskAttachmentViewer> getSystemViewers(ITaskAttachment attachment) {
List<ITaskAttachmentViewer> result = new ArrayList<ITaskAttachmentViewer>();
IEditorRegistry registry = PlatformUI.getWorkbench().getEditorRegistry();
// Don't check whether system external editor is available (IEditorRegistry.isSystemExternalEditorAvailable) ...
// At least Windows can handle even unknown files, and offers user to choose correct program to open file with
IEditorDescriptor extern = registry.findEditor(IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID);
result.add(new TaskAttachmentEditorViewer(extern));
if (registry.isSystemInPlaceEditorAvailable(AttachmentUtil.getAttachmentFilename(attachment))) {
IEditorDescriptor inplace = registry.findEditor(IEditorRegistry.SYSTEM_INPLACE_EDITOR_ID);
result.add(new TaskAttachmentEditorViewer(inplace));
}
return result;
}
public List<ITaskAttachmentViewer> getTaskAttachmentViewers(ITaskAttachment attachment) {
List<ITaskAttachmentViewer> result = new ArrayList<ITaskAttachmentViewer>();
ITaskAttachmentViewer browserViewer = getBrowserViewer(attachment);
if (browserViewer != null) {
result.add(browserViewer);
}
result.addAll(getWorkbenchViewers(attachment));
result.addAll(getSystemViewers(attachment));
return result;
}
/**
* @param attachment
* @return preferred attachment viewers, or null if no suitable viewer can be found
*/
public ITaskAttachmentViewer getPreferredViewer(ITaskAttachment attachment) {
List<ITaskAttachmentViewer> viewers = getTaskAttachmentViewers(attachment);
String preferred = getPreferredViewerID(attachment);
if (preferred != null) {
for (int i = 0; i < viewers.size(); i++) {
if (preferred.equals(viewers.get(i).getId())) {
return viewers.get(i);
}
}
}
if (viewers.isEmpty()) {
return null;
}
return viewers.get(0);
}
public String getPreferredViewerID(ITaskAttachment attachment) {
String ext = getExtension(attachment);
if (ext == null) {
return null;
}
return getPreferencesStore().getString(
ITasksUiPreferenceConstants.PREFERRED_TASK_ATTACHMENT_VIEWER_ID + "_" + ext); //$NON-NLS-1$
}
private IPreferenceStore getPreferencesStore() {
return TasksUiPlugin.getDefault().getPreferenceStore();
}
public void savePreferredViewerID(ITaskAttachment attachment, String handlerID) {
String ext = getExtension(attachment);
if (ext == null) {
return;
}
getPreferencesStore().putValue(
ITasksUiPreferenceConstants.PREFERRED_TASK_ATTACHMENT_VIEWER_ID + "_" + ext, handlerID); //$NON-NLS-1$
}
private String getExtension(ITaskAttachment attachment) {
if (attachment == null) {
return null;
}
String fname = AttachmentUtil.getAttachmentFilename(attachment);
int dot = fname.lastIndexOf('.');
if (dot < 0) {
return null;
}
return fname.substring(dot + 1);
}
}
|
