aboutsummaryrefslogtreecommitdiffstats
path: root/js/comments.js
blob: ce61f6ba071cfabf0681dab94b7facf1f9aedccf (plain)
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
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This Source Code Form is "Incompatible With Secondary Licenses", as
 * defined by the Mozilla Public License, v. 2.0.
 */

function updateCommentPrivacy(checkbox, id) {
    var comment_elem = document.getElementById('comment_text_'+id).parentNode;
    if (checkbox.checked) {
      if (!comment_elem.className.match('bz_private')) {
        comment_elem.className = comment_elem.className.concat(' bz_private');
      }
    }
    else {
      comment_elem.className =
        comment_elem.className.replace(/(\s*|^)bz_private(\s*|$)/, '$2');
    }
}

/* The functions below expand and collapse comments  */

function toggle_comment_display(link, comment_id) {
    var comment = document.getElementById('comment_text_' + comment_id);
    var re = new RegExp(/\bcollapsed\b/);
    if (comment.className.match(re))
        expand_comment(link, comment);
    else
        collapse_comment(link, comment);
}

function toggle_all_comments(action) {
    // If for some given ID the comment doesn't exist, this doesn't mean
    // there are no more comments, but that the comment is private and
    // the user is not allowed to view it.

    var comments = YAHOO.util.Dom.getElementsByClassName('bz_comment_text');
    for (var i = 0; i < comments.length; i++) {
        var comment = comments[i];
        if (!comment)
            continue;

        var id = comments[i].id.match(/\d*$/);
        var link = document.getElementById('comment_link_' + id);
        if (action == 'collapse')
            collapse_comment(link, comment);
        else
            expand_comment(link, comment);
    }
}

function collapse_comment(link, comment) {
    link.innerHTML = "[+]";
    YAHOO.util.Dom.addClass(comment, 'collapsed');
}

function expand_comment(link, comment) {
    link.innerHTML = "[-]";
    YAHOO.util.Dom.removeClass(comment, 'collapsed');
}

function wrapReplyText(text) {
    // This is -3 to account for "\n> "
    var maxCol = BUGZILLA.constant.COMMENT_COLS - 3;
    var text_lines = text.replace(/[\s\n]+$/, '').split("\n");
    var wrapped_lines = new Array();

    for (var i = 0; i < text_lines.length; i++) {
        var paragraph = text_lines[i];
        // Don't wrap already-quoted text.
        if (paragraph.indexOf('>') == 0) {
            wrapped_lines.push('> ' + paragraph);
            continue;
        }

        var replace_lines = new Array();
        while (paragraph.length > maxCol) {
            var testLine = paragraph.substring(0, maxCol);
            var pos = testLine.search(/\s\S*$/);

            if (pos < 1) {
                // Try to find some ASCII punctuation that's reasonable
                // to break on.
                var punct = '\\-\\./,!;:';
                var punctRe = new RegExp('[' + punct + '][^' + punct + ']+$');
                pos = testLine.search(punctRe) + 1;
                // Try to find some CJK Punctuation that's reasonable
                // to break on.
                if (pos == 0)
                    pos = testLine.search(/[\u3000\u3001\u3002\u303E\u303F]/) + 1;
                // If we can't find any break point, we simply break long
                // words. This makes long, punctuation-less CJK text wrap,
                // even if it wraps incorrectly.
                if (pos == 0) pos = maxCol;
            }

            var wrapped_line = paragraph.substring(0, pos);
            replace_lines.push(wrapped_line);
            paragraph = paragraph.substring(pos);
            // Strip whitespace from the start of the line
            paragraph = paragraph.replace(/^\s+/, '');
        }
        replace_lines.push(paragraph);
        wrapped_lines.push("> " + replace_lines.join("\n> "));
    }
    return wrapped_lines.join("\n") + "\n\n";
}

/* This way, we are sure that browsers which do not support JS
   * won't display this link  */

function addCollapseLink(count, title) {
    document.write(' <a href="#" class="bz_collapse_comment"' +
                   ' id="comment_link_' + count +
                   '" onclick="toggle_comment_display(this, ' +  count +
                   '); return false;" title="' + title + '">[-]<\/a> ');
}

function goto_add_comments( anchor ){
    anchor =  (anchor || "add_comment");
    // we need this line to expand the comment box
    document.getElementById('comment').focus();
    setTimeout(function(){ 
        document.location.hash = anchor;
        // firefox doesn't seem to keep focus through the anchor change
        document.getElementById('comment').focus();
    },10);
    return false;
}

if (typeof Node == 'undefined') {
    /* MSIE doesn't define Node, so provide a compatibility object */
    window.Node = {
        TEXT_NODE: 3,
        ENTITY_REFERENCE_NODE: 5
    };
}

/* Concatenates all text from element's childNodes. This is used
 * instead of innerHTML because we want the actual text (and
 * innerText is non-standard).
 */
function getText(element) {
    var child, text = "";
    for (var i=0; i < element.childNodes.length; i++) {
        child = element.childNodes[i];
        var type = child.nodeType;
        if (type == Node.TEXT_NODE || type == Node.ENTITY_REFERENCE_NODE) {
            text += child.nodeValue;
        } else {
            /* recurse into nodes of other types */
            text += getText(child);
        }
    }
    return text;
}