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
|
// $Id$
(function ($) {
/**
* Attach the machine-readable name form element behavior.
*/
Drupal.behaviors.machineName = {
/**
* Attaches the behavior.
*
* @param settings.machineName
* A list of elements to process, keyed by the HTML ID of the form element
* containing the human-readable value. Each element is an object defining
* the following properties:
* - target: The HTML ID of the machine name form element.
* - suffix: The HTML ID of a container to show the machine name preview in
* (usually a field suffix after the human-readable name form element).
* - label: The label to show for the machine name preview.
* - replace_pattern: A regular expression (without modifiers) matching
* disallowed characters in the machine name; e.g., '[^a-z0-9]+'.
* - replace: A character to replace disallowed characters with; e.g., '_'
* or '-'.
*/
attach: function (context, settings) {
var self = this;
$.each(settings.machineName, function (source_id, options) {
var $source = $(source_id, context).addClass('machine-name-source');
var $target = $(options.target, context).addClass('machine-name-target');
var $suffix = $(options.suffix, context);
var $wrapper = $target.parents('.form-item:first');
// All elements have to exist.
if (!$source.length || !$target.length || !$suffix.length || !$wrapper.length) {
return;
}
// Skip processing upon a form validation error on the machine name.
if ($target.hasClass('error')) {
return;
}
// Hide the form item container of the machine name form element.
$wrapper.hide();
// Append the machine name preview to the source field.
if ($target.is(':disabled')) {
var machine = $target.val();
}
else {
var machine = self.transliterate($source.val(), options);
}
var $preview = $('<span class="machine-name-value">' + machine + '</span>');
$suffix.empty()
.append(' ').append('<span class="machine-name-label">' + options.label + ':</span>')
.append(' ').append($preview);
// Append a link to edit the machine name, if it is editable, and only if
// one of the following conditions is met:
// - the machine name is empty.
// - the human-readable name is equal to the existing machine name.
if (!$target.is(':disabled') && ($target.val() == '' || $target.val() == machine)) {
var $link = $('<span class="admin-link"><a href="#">' + Drupal.t('Edit') + '</a></span>')
.click(function () {
$wrapper.show();
$target.focus();
$suffix.hide();
$source.unbind('keyup.machineName');
return false;
});
$suffix.append(' ').append($link);
// Preview machine name in realtime when the human-readable name changes.
$source.bind('keyup.machineName change.machineName', function () {
machine = self.transliterate($(this).val(), options);
// Set the machine name to the transliterated value.
if (machine != options.replace && machine != '') {
$target.val(machine);
$preview.text(machine);
$suffix.show();
}
else {
$suffix.hide();
$target.val(machine);
$preview.empty();
}
});
// Initialize machine name preview.
$source.keyup();
}
});
},
/**
* Transliterate a human-readable name to a machine name.
*
* @param source
* A string to transliterate.
* @param settings
* The machine name settings for the corresponding field, containing:
* - replace_pattern: A regular expression (without modifiers) matching
* disallowed characters in the machine name; e.g., '[^a-z0-9]+'.
* - replace: A character to replace disallowed characters with; e.g., '_'
* or '-'.
*
* @return
* The transliterated source string.
*/
transliterate: function (source, settings) {
var rx = new RegExp(settings.replace_pattern, 'g');
return source.toLowerCase().replace(rx, settings.replace);
}
};
})(jQuery);
|
