ajermakovics
2012-09-18 32dc8c83e3f8f0e67c9e0c11d536371244852d18
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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*
 * Copyright 2011 gitblit.com.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.gitblit.wicket.pages;
 
import java.util.ArrayList;
import java.util.List;
 
import java.text.MessageFormat;
 
import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.ListDataProvider;
import org.eclipse.jgit.diff.DiffEntry.ChangeType;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
 
import com.gitblit.GitBlit;
import com.gitblit.Keys;
import com.gitblit.models.PathModel.PathChangeModel;
import com.gitblit.models.SubmoduleModel;
import com.gitblit.utils.DiffUtils;
import com.gitblit.utils.DiffUtils.DiffOutputType;
import com.gitblit.utils.JGitUtils;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.panels.CommitHeaderPanel;
import com.gitblit.wicket.panels.CommitLegendPanel;
import com.gitblit.wicket.panels.LinkPanel;
 
public class CommitDiffPage extends RepositoryPage {
 
    public CommitDiffPage(PageParameters params) {
        super(params);
 
        Repository r = getRepository();
 
        DiffOutputType diffType = DiffOutputType.forName(GitBlit.getString(Keys.web.diffStyle,
                DiffOutputType.GITBLIT.name()));
 
        RevCommit commit = null, otherCommit = null;
 
        if( objectId.contains("..") )
        {
            String[] parts = objectId.split("\\.\\.");
            commit = getCommit(r, parts[0]);
            otherCommit = getCommit(r, parts[1]);
        }
        else
        {
            commit = getCommit();
        }
 
        String diff;
 
        if(otherCommit == null)
        {
            diff = DiffUtils.getCommitDiff(r, commit, diffType);
        }
        else
        {
            diff = DiffUtils.getDiff(r, commit, otherCommit, diffType);
        }
 
        List<String> parents = new ArrayList<String>();
        if (commit.getParentCount() > 0) {
            for (RevCommit parent : commit.getParents()) {
                parents.add(parent.name());
            }
        }
 
        // commit page links
        if (parents.size() == 0) {
            add(new Label("parentLink", getString("gb.none")));
        } else {
            add(new LinkPanel("parentLink", null, parents.get(0).substring(0, 8),
                    CommitDiffPage.class, newCommitParameter(parents.get(0))));
        }
        add(new BookmarkablePageLink<Void>("patchLink", PatchPage.class,
                WicketUtils.newObjectParameter(repositoryName, objectId)));
        add(new BookmarkablePageLink<Void>("commitLink", CommitPage.class,
                WicketUtils.newObjectParameter(repositoryName, objectId)));
 
        add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
 
        // changed paths list
        List<PathChangeModel> paths;
 
        if( otherCommit == null )
        {
            paths = JGitUtils.getFilesInCommit(r, commit);
        }
        else
        {
            paths = JGitUtils.getFilesInCommit(r, otherCommit);
        }
 
        add(new CommitLegendPanel("commitLegend", paths));
        ListDataProvider<PathChangeModel> pathsDp = new ListDataProvider<PathChangeModel>(paths);
        DataView<PathChangeModel> pathsView = new DataView<PathChangeModel>("changedPath", pathsDp) {
            private static final long serialVersionUID = 1L;
            int counter;
 
            public void populateItem(final Item<PathChangeModel> item) {
                final PathChangeModel entry = item.getModelObject();
                Label changeType = new Label("changeType", "");
                WicketUtils.setChangeTypeCssClass(changeType, entry.changeType);
                setChangeTypeTooltip(changeType, entry.changeType);
                item.add(changeType);
 
                boolean hasSubmodule = false;
                String submodulePath = null;
                if (entry.isTree()) {
                    // tree
                    item.add(new LinkPanel("pathName", null, entry.path, TreePage.class,
                            WicketUtils
                                    .newPathParameter(repositoryName, entry.commitId, entry.path)));
                } else if (entry.isSubmodule()) {
                    // submodule
                    String submoduleId = entry.objectId;
                    SubmoduleModel submodule = getSubmodule(entry.path);
                    submodulePath = submodule.gitblitPath;
                    hasSubmodule = submodule.hasSubmodule;
 
                    item.add(new LinkPanel("pathName", "list", entry.path + " @ " +
                            getShortObjectId(submoduleId), TreePage.class,
                            WicketUtils
                                    .newPathParameter(submodulePath, submoduleId, "")).setEnabled(hasSubmodule));
                } else {
                    // blob
                    item.add(new LinkPanel("pathName", "list", entry.path, BlobPage.class,
                            WicketUtils
                                    .newPathParameter(repositoryName, entry.commitId, entry.path)));
                }
 
                // quick links
                if (entry.isSubmodule()) {
                    // submodule
                    item.add(new BookmarkablePageLink<Void>("patch", PatchPage.class, WicketUtils
                            .newPathParameter(submodulePath, entry.objectId, entry.path)).setEnabled(false));
                    item.add(new BookmarkablePageLink<Void>("view", CommitPage.class, WicketUtils
                            .newObjectParameter(submodulePath, entry.objectId)).setEnabled(hasSubmodule));
                    item.add(new BookmarkablePageLink<Void>("blame", BlamePage.class, WicketUtils
                            .newPathParameter(submodulePath, entry.objectId, entry.path)).setEnabled(false));
                    item.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils
                            .newPathParameter(submodulePath, entry.objectId, entry.path))
                            .setEnabled(hasSubmodule));
                } else {
                    // tree or blob
                    item.add(new BookmarkablePageLink<Void>("patch", PatchPage.class, WicketUtils
                            .newPathParameter(repositoryName, entry.commitId, entry.path)));
                    item.add(new BookmarkablePageLink<Void>("view", BlobPage.class, WicketUtils
                            .newPathParameter(repositoryName, entry.commitId, entry.path)));
                    item.add(new BookmarkablePageLink<Void>("blame", BlamePage.class, WicketUtils
                            .newPathParameter(repositoryName, entry.commitId, entry.path)));
                    item.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils
                            .newPathParameter(repositoryName, entry.commitId, entry.path))
                            .setEnabled(!entry.changeType.equals(ChangeType.ADD)));
                }
                WicketUtils.setAlternatingBackground(item, counter);
                counter++;
            }
        };
        add(pathsView);
        add(new Label("diffText", diff).setEscapeModelStrings(false));
    }
 
    @Override
    protected String getPageName() {
        return getString("gb.commitdiff");
    }
 
    private RevCommit getCommit(Repository r, String rev)
    {
        RevCommit otherCommit = JGitUtils.getCommit(r, rev);
        if (otherCommit == null) {
            error(MessageFormat.format(getString("gb.failedToFindCommit"), rev, repositoryName, getPageName()), true);
        }
        return otherCommit;
    }
}