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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies 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:
* Eugene Kuleshov - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.actions;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareEditorInput;
import org.eclipse.compare.CompareUI;
import org.eclipse.compare.IStreamContentAccessor;
import org.eclipse.compare.ITypedElement;
import org.eclipse.compare.structuremergeviewer.DiffNode;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.internal.tasks.ui.util.AttachmentUtil;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.ITaskAttachment;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.core.data.AbstractTaskAttachmentHandler;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.ui.TasksUi;
import org.eclipse.mylyn.tasks.ui.TasksUiImages;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.actions.BaseSelectionListenerAction;
import org.eclipse.ui.internal.WorkbenchImages;
/**
* @author Eugene Kuleshov
*/
public class CompareAttachmentsAction extends BaseSelectionListenerAction implements IViewActionDelegate {
private ISelection currentSelection;
public CompareAttachmentsAction() {
super("Compare Attachments");
}
protected CompareAttachmentsAction(String text) {
super(text);
}
public void init(IViewPart view) {
// ignore
}
public void run(IAction action) {
if (currentSelection instanceof IStructuredSelection) {
IStructuredSelection selection = (IStructuredSelection) currentSelection;
Object[] elements = selection.toArray();
if (elements.length >= 2) {
final ITaskAttachment attachment1 = (ITaskAttachment) elements[0];
final ITaskAttachment attachment2 = (ITaskAttachment) elements[1];
CompareConfiguration cc = new CompareConfiguration();
cc.setLeftEditable(false);
cc.setLeftLabel(attachment1.getFileName());
cc.setLeftImage(getImage(attachment1));
cc.setRightEditable(false);
cc.setRightLabel(attachment2.getFileName());
cc.setRightImage(getImage(attachment2));
CompareEditorInput editorInput = new CompareEditorInput(cc) {
@Override
public String getTitle() {
return "Compare (" + attachment1.getFileName() + " - " + attachment2.getFileName() + ")";
}
@Override
protected Object prepareInput(IProgressMonitor pm) throws InvocationTargetException {
CompareItem left = new CompareItem(attachment1);
CompareItem right = new CompareItem(attachment2);
return new DiffNode(left, right);
}
};
CompareUI.openCompareEditor(editorInput);
}
}
}
private static final String[] IMAGE_EXTENSIONS = { ".jpg", ".gif", ".png", ".tiff", ".tif", ".bmp" };
private Image getImage(ITaskAttachment attachment) {
if (AttachmentUtil.isContext(attachment)) {
return CommonImages.getImage(TasksUiImages.CONTEXT_TRANSFER);
} else if (attachment.isPatch()) {
return CommonImages.getImage(TasksUiImages.TASK_ATTACHMENT_PATCH);
} else {
String filename = attachment.getFileName();
if (filename != null) {
filename = filename.toLowerCase();
for (String extension : IMAGE_EXTENSIONS) {
if (filename.endsWith(extension)) {
return CommonImages.getImage(CommonImages.IMAGE_FILE);
}
}
}
return WorkbenchImages.getImage(ISharedImages.IMG_OBJ_FILE);
}
}
public void selectionChanged(IAction action, ISelection selection) {
this.currentSelection = selection;
}
private class CompareItem implements IStreamContentAccessor, ITypedElement {
private final ITaskAttachment attachment;
public CompareItem(ITaskAttachment attachment) {
this.attachment = attachment;
}
public InputStream getContents() throws CoreException {
TaskAttribute attachmentAttribute = attachment.getTaskAttribute();
if (attachmentAttribute == null) {
throw new CoreException(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN,
"Failed to find attachment: " + attachment.getUrl()));
}
TaskRepository taskRepository = attachment.getTaskRepository();
ITask task = attachment.getTask();
AbstractRepositoryConnector connector = TasksUi.getRepositoryManager().getRepositoryConnector(
taskRepository.getConnectorKind());
AbstractTaskAttachmentHandler handler = connector.getTaskAttachmentHandler();
return handler.getContent(taskRepository, task, attachmentAttribute, new NullProgressMonitor());
}
public Image getImage() {
return null;
}
public String getName() {
return attachment.getFileName();
}
public String getType() {
// ImageMergeViewerCreator - gif,jpg,jpeg,png,bmp,ico,tif,tiff
// BinaryCompareViewerCreator - class,exe,dll,binary,zip,jar
// TextMergeViewerCreator - txt
// PropertiesFileMergeViewerCreator - properties,properties2
// JavaContentViewerCreator - java,java2"
// RefactoringDescriptorCompareViewerCreator - refactoring_descriptor
//
String filename = attachment.getFileName();
int n = filename.lastIndexOf('.');
if (n > -1) {
return filename.substring(n + 1);
}
return ITypedElement.TEXT_TYPE;
}
}
}
|
