-
Notifications
You must be signed in to change notification settings - Fork 115
/
data-confirm-modal.js
357 lines (294 loc) · 11 KB
/
data-confirm-modal.js
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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
/*
* Implements a user-facing modal confirmation when link has a
* "data-confirm" attribute using bootstrap's modals. MIT license.
*
* - [email protected] Tue Jul 2 18:45:15 CEST 2013
*/
(function ($) {
/**
* Builds the markup for a [Bootstrap modal](http://twitter.github.io/bootstrap/javascript.html#modals)
* for the given `element`. Uses the following `data-` parameters to
* customize it:
*
* * `data-confirm`: Contains the modal body text. HTML is allowed.
* Separate multiple paragraphs using \n\n.
* * `data-commit`: The 'confirm' button text. "Confirm" by default.
* * `data-cancel`: The 'cancel' button text. "Cancel" by default.
* * `data-verify`: Adds a text input in which the user has to input
* the text in this attribute value for the 'confirm'
* button to be clickable. Optional.
* * `data-verify-text`: Adds a label for the data-verify input. Optional
* * `data-focus`: Define focused input. Supported values are
* 'cancel' or 'commit', 'cancel' is default for
* data-method DELETE, 'commit' for all others.
*
* You can set global setting using `dataConfirmModal.setDefaults`, for example:
*
* dataConfirmModal.setDefaults({
* title: 'Confirm your action',
* commit: 'Continue',
* cancel: 'Cancel',
* fade: false,
* verifyClass: 'form-control',
* });
*
*/
var defaults = {
title: 'Are you sure?',
commit: 'Confirm',
commitClass: 'btn-danger',
cancel: 'Cancel',
cancelClass: 'btn-default',
fade: true,
verifyClass: 'form-control',
elements: ['a[data-confirm]', 'button[data-confirm]', 'input[type=submit][data-confirm]'],
focus: 'commit',
zIndex: 1050,
modalClass: false,
modalCloseContent: '×',
show: true
};
var settings;
window.dataConfirmModal = {
setDefaults: function (newSettings) {
settings = $.extend(settings, newSettings);
},
restoreDefaults: function () {
settings = $.extend({}, defaults);
},
confirm: function (options) {
// Build an ephemeral modal
//
var modal = buildModal(options);
modal.spawn();
modal.on('hidden.bs.modal', function () {
modal.remove();
});
modal.find('.commit').on('click', function () {
if (options.onConfirm && options.onConfirm.call)
options.onConfirm.call();
modal.modal('hide');
});
modal.find('.cancel').on('click', function () {
if (options.onCancel && options.onCancel.call)
options.onCancel.call();
modal.modal('hide');
});
modal.on('hidden.bs.modal', function () {
if (options.onHide && options.onHide.call)
options.onHide.call();
});
}
};
dataConfirmModal.restoreDefaults();
// Detect bootstrap version, or bail out.
//
if ($.fn.modal == undefined) {
throw new Error("The bootstrap modal plugin does not appear to be loaded.");
}
if ($.fn.modal.Constructor == undefined) {
throw new Error("The bootstrap modal plugin does not have a Constructor ?!?");
}
if ($.fn.modal.Constructor.VERSION == undefined) {
throw new Error("The bootstrap modal plugin does not have its version defined ?!?");
}
var versionString = $.fn.modal.Constructor.VERSION;
var match = versionString.match(/^(\d)\./);
if (!match) {
throw new Error("Cannot identify Bootstrap version. Version string: " + versionString);
}
var bootstrapVersion = parseInt(match[1]);
if (bootstrapVersion != 3 && bootstrapVersion != 4) {
throw new Error("Unsupported bootstrap version: " + bootstrapVersion + ". data-confirm-modal supports version 3 and 4.");
}
var buildElementModal = function (element) {
var options = {
title: element.data('title') || element.attr('title') || element.data('original-title'),
text: element.data('confirm'),
focus: element.data('focus'),
method: element.data('method'),
modalClass: element.data('modal-class'),
modalCloseContent: element.data('modal-close-content'),
commit: element.data('commit'),
commitClass: element.data('commit-class'),
cancel: element.data('cancel'),
cancelClass: element.data('cancel-class'),
remote: element.data('remote'),
verify: element.data('verify'),
verifyRegexp: element.data('verify-regexp'),
verifyLabel: element.data('verify-text'),
verifyRegexpCaseInsensitive: element.data('verify-regexp-caseinsensitive'),
backdrop: element.data('backdrop'),
keyboard: element.data('keyboard'),
show: element.data('show')
};
var modal = buildModal(options);
modal.find('.commit').on('click', function () {
// Call the original event handler chain
element.get(0).click();
modal.modal('hide');
});
return modal;
}
var buildModal = function (options) {
var id = 'confirm-modal-' + String(Math.random()).slice(2, -1);
var fade = settings.fade ? 'fade' : '';
var modalClass = options.modalClass ? options.modalClass : settings.modalClass;
var modalCloseContent = options.modalCloseContent ? options.modalCloseContent : settings.modalCloseContent;
var modalClose = '<button type="button" class="close" data-dismiss="modal" aria-hidden="true">'+modalCloseContent+'</button>'
var modalTitle = '<h5 id="'+id+'Label" class="modal-title"></h5> '
var modalHeader;
// Bootstrap 3 and 4 have different DOMs and different CSS. In B4, the
// modalHeader is display:flex and the modalClose uses negative margins,
// so it can stay after the modalTitle.
//
// In B3, the close button floats to the right, so it must stay before
// the modalTitle.
//
switch (bootstrapVersion) {
case 3:
modalHeader = modalClose + modalTitle;
break;
case 4:
modalHeader = modalTitle + modalClose;
break;
}
var modal = $(
'<div id="'+id+'" class="modal '+modalClass+' '+fade+'" tabindex="-1" role="dialog" aria-labelledby="'+id+'Label" aria-hidden="true">' +
'<div class="modal-dialog" role="document">' +
'<div class="modal-content">' +
'<div class="modal-header">' +
modalHeader +
'</div>' +
'<div class="modal-body"></div>' +
'<div class="modal-footer">' +
'<button class="btn cancel" data-dismiss="modal" aria-hidden="true"></button>' +
'<button class="btn commit"></button>' +
'</div>'+
'</div>'+
'</div>'+
'</div>'
);
// Make sure it's always the top zindex
var highest, current;
highest = current = settings.zIndex;
$('.modal.in').not('#'+id).each(function() {
current = parseInt($(this).css('z-index'), 10);
if(current > highest) {
highest = current
}
});
modal.css('z-index', parseInt(highest) + 1);
modal.find('.modal-title').text(options.title || settings.title);
var body = modal.find('.modal-body');
$.each((options.text||'').split(/\n{2}/), function (i, piece) {
body.append($('<p/>').html(piece));
});
var commit = modal.find('.commit');
commit.text(options.commit || settings.commit);
commit.addClass(options.commitClass || settings.commitClass);
var cancel = modal.find('.cancel');
cancel.text(options.cancel || settings.cancel);
cancel.addClass(options.cancelClass || settings.cancelClass);
if (options.remote) {
commit.attr('data-dismiss', 'modal');
}
if (options.verify || options.verifyRegexp) {
commit.prop('disabled', true);
var isMatch;
if (options.verifyRegexp) {
var caseInsensitive = options.verifyRegexpCaseInsensitive;
var regexp = options.verifyRegexp;
var re = new RegExp(regexp, caseInsensitive ? 'i' : '');
isMatch = function (input) { return input.match(re) };
} else {
isMatch = function (input) { return options.verify == input };
}
var verification = $('<input/>', {"type": 'text', "class": settings.verifyClass}).on('keyup', function () {
commit.prop('disabled', !isMatch($(this).val()));
});
modal.on('shown.bs.modal', function () {
verification.focus();
});
modal.on('hidden.bs.modal', function () {
verification.val('').trigger('keyup');
});
if (options.verifyLabel)
body.append($('<p>', {text: options.verifyLabel}))
body.append(verification);
}
var focus_element;
if (options.focus) {
focus_element = options.focus;
} else if (options.method == 'delete') {
focus_element = 'cancel'
} else {
focus_element = settings.focus;
}
focus_element = modal.find('.' + focus_element);
modal.on('shown.bs.modal', function () {
focus_element.focus();
});
$('body').append(modal);
modal.spawn = function() {
return modal.modal($.extend({}, {
backdrop: options.backdrop,
keyboard: options.keyboard,
show: options.show
}));
};
return modal;
};
/**
* Returns a modal already built for the given element or builds a new one,
* caching it into the element's `confirm-modal` data attribute.
*/
$.fn.getConfirmModal = function () {
var element = $(this), modal = element.data('confirm-modal');
if (!modal) {
modal = buildElementModal(element);
element.data('confirm-modal', modal);
}
return modal;
};
$.fn.confirmModal = function () {
var modal = $(this).getConfirmModal();
modal.spawn();
return modal;
};
if (window.Rails || $.rails) {
/**
* Attaches to Rails' UJS adapter's 'confirm' event, triggered on elements
* having a `data-confirm` attribute set.
*
* If the modal is not visible, then it is spawned and the default Rails
* confirmation dialog is canceled.
*
* If the modal is visible, it means the handler is being called by the
* modal commit button click handler, as such the user has successfully
* clicked on the confirm button. In this case Rails' confirm function
* is briefly overriden, and afterwards reset when the modal is closed.
*
*/
var window_confirm = window.confirm;
$(document).delegate(settings.elements.join(', '), 'confirm', function() {
var modal = $(this).getConfirmModal();
if (!modal.is(':visible')) {
modal.spawn();
// Cancel Rails' confirmation
return false;
} else {
// Modal has been confirmed. Override Rails' handler
window.confirm = function () {
return true;
}
modal.one('hidden.bs.modal', function() {
// Reset it after modal is closed.
window.confirm = window_confirm;
});
// Proceed with Rails' handlers
return true;
}
});
}
})(jQuery);