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
|
import $ from 'jquery';
import axios from '~/lib/utils/axios_utils';
import flash from '~/flash';
import { __ } from '~/locale';
import { getLocationHash } from './lib/utils/url_utility';
import FilesCommentButton from './files_comment_button';
import SingleFileDiff from './single_file_diff';
import initImageDiffHelper from './image_diff/helpers/init_image_diff';
const UNFOLD_COUNT = 20;
let isBound = false;
export default class Diff {
constructor() {
const $diffFile = $('.files .diff-file');
$diffFile.each((index, file) => {
if (!$.data(file, 'singleFileDiff')) {
$.data(file, 'singleFileDiff', new SingleFileDiff(file));
}
});
const tab = document.getElementById('diffs');
if (!tab || (tab && tab.dataset && tab.dataset.isLocked !== ''))
FilesCommentButton.init($diffFile);
const firstFile = $('.files')
.first()
.get(0);
const canCreateNote = firstFile && firstFile.hasAttribute('data-can-create-note');
$diffFile.each((index, file) => initImageDiffHelper.initImageDiff(file, canCreateNote));
if (!isBound) {
$(document)
.on('click', '.js-unfold', this.handleClickUnfold.bind(this))
.on('click', '.diff-line-num a', this.handleClickLineNum.bind(this))
.on('mousedown', 'td.line_content.parallel', this.handleParallelLineDown.bind(this));
isBound = true;
}
if (getLocationHash()) {
this.highlightSelectedLine();
}
this.openAnchoredDiff();
}
handleClickUnfold(e) {
const $target = $(e.target);
const [oldLineNumber, newLineNumber] = this.lineNumbers($target.parent());
const offset = newLineNumber - oldLineNumber;
const bottom = $target.hasClass('js-unfold-bottom');
let since;
let to;
let unfold = true;
if (bottom) {
const lineNumber = newLineNumber + 1;
since = lineNumber;
to = lineNumber + UNFOLD_COUNT;
} else {
const lineNumber = newLineNumber - 1;
since = lineNumber - UNFOLD_COUNT;
to = lineNumber;
// make sure we aren't loading more than we need
const prevNewLine = this.lineNumbers($target.parent().prev())[1];
if (since <= prevNewLine + 1) {
since = prevNewLine + 1;
unfold = false;
}
}
const file = $target.parents('.diff-file');
const link = file.data('blobDiffPath');
const view = file.data('view');
const params = { since, to, bottom, offset, unfold, view };
axios
.get(link, { params })
.then(({ data }) => $target.parent().replaceWith(data))
.catch(() => flash(__('An error occurred while loading diff')));
}
openAnchoredDiff(cb) {
const locationHash = getLocationHash();
const anchoredDiff = locationHash && locationHash.split('_')[0];
if (!anchoredDiff) return;
const diffTitle = $(`#${anchoredDiff}`);
const diffFile = diffTitle.closest('.diff-file');
const nothingHereBlock = $('.nothing-here-block:visible', diffFile);
if (nothingHereBlock.length) {
const clickTarget = $('.js-file-title, .click-to-expand', diffFile);
diffFile.data('singleFileDiff').toggleDiff(clickTarget, () => {
this.highlightSelectedLine();
if (cb) cb();
});
} else if (cb) {
cb();
}
}
handleClickLineNum(e) {
const hash = $(e.currentTarget).attr('href');
e.preventDefault();
if (window.history.pushState) {
window.history.pushState(null, null, hash);
} else {
window.location.hash = hash;
}
this.highlightSelectedLine();
}
// eslint-disable-next-line class-methods-use-this
handleParallelLineDown(e) {
const line = $(e.currentTarget);
const table = line.closest('table');
table.removeClass('left-side-selected right-side-selected');
const lineClass = ['left-side', 'right-side'].filter(name => line.hasClass(name))[0];
if (lineClass) {
table.addClass(`${lineClass}-selected`);
}
}
// eslint-disable-next-line class-methods-use-this
diffViewType() {
return $('.inline-parallel-buttons a.active').data('viewType');
}
// eslint-disable-next-line class-methods-use-this
lineNumbers(line) {
const children = line.find('.diff-line-num').toArray();
if (children.length !== 2) {
return [0, 0];
}
return children.map(elm => parseInt($(elm).data('linenumber'), 10) || 0);
}
// eslint-disable-next-line class-methods-use-this
highlightSelectedLine() {
const hash = getLocationHash();
const $diffFiles = $('.diff-file');
$diffFiles.find('.hll').removeClass('hll');
if (hash) {
$diffFiles
.find(`tr#${hash}:not(.match) td, td#${hash}, td[data-line-code="${hash}"]`)
.addClass('hll');
}
}
}
|
