forked from vast-engineering/jquery-popup-overlay
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathjquery.popupoverlay.js
490 lines (414 loc) · 16.9 KB
/
jquery.popupoverlay.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
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
/**
* jQuery Popup Overlay
*
* @version 1.5.0
* @requires jQuery v1.7.1+
* @link http://vast-eng.github.com/jquery-popup-overlay/
*/
;(function($) {
var level = [];
var lastclicked = [];
$.fn.popup = $.fn.popup = function(customoptions) {
var $body = $('body'),
$window = $(window),
$document = $(document),
$el,
$newel,
$wrapper,
options = {},
blurhandler,
focushandler,
defaults = {
type: 'overlay',
action: 'click',
background: true,
color: 'black',
opacity: '0.4',
horizontal: 'center',
vertical: 'center',
escape: true,
blur: true,
fade: 250,
opensufix: '_open',
closesufix: '_close',
keepfocus: true,
reposition: false,
autozindex: false
};
var init = function(el) {
if(!$(el).attr('id')){
$(el).attr('id', 'j-popup-' + parseInt(Math.random() * 100000000));
}
lastclicked[el.id] = false;
level[el.id] = 0;
$el = $(el);
options = $.extend({}, defaults, customoptions);
/**
* Repositioning parameter
*/
if (options.reposition === true) {
// @TODO - not so DRY...
$newel = $el;
$el = $wrapper = $('#' + el.id + '_wrapper');
positionpopup(el);
return false;
}
// initialize on only once
if ($el.attr('data-popup-initialized')) {
return false;
}
$el.attr('data-popup-initialized', 'true');
/**
* Set variables
*/
var triggerelement = '.' + el.id + options.opensufix; // class that will open popup
/**
* Set other options that are related for type: tooltip
*/
if (options.type == 'tooltip') {
options.background = false;
options.keepfocus = false;
}
/**
* Hide popups that aren't already hidden with CSS and move it to the top or bottom of the <body> tag
*/
$el.css({
display: 'none'
});
// append instead of prepend if document is ready
// if (((document.readyState === 'interactive') || (document.readyState === 'complete')) && !($.browser.msie && parseFloat($.browser.version) < 8)) {
// $body.append(el);
// } else {
$body.prepend(el);
// }
/**
* Create background div and append to the top or bottom of the body tag
*/
if ((options.background) && (!$('#' + el.id + '_background').length)) {
// Append instead of prepend if possible
var popupback = '<div id="' + el.id + '_background" class="popup_background"></div>';
// if (((document.readyState === 'interactive') || (document.readyState === 'complete')) && !($.browser.msie && parseFloat($.browser.version) < 8)) {
// $body.append(popupback);
// } else {
$body.prepend(popupback);
// }
$('#' + el.id + '_background').css({
backgroundColor: options.color,
opacity: options.opacity,
position: 'fixed',
top: '0',
right: '0',
bottom: '0',
left: '0',
display: 'none'
});
}
/**
* Positioning overlay
*/
if (options.type == 'overlay') {
$el.css({
display: 'inline-block',
textAlign: 'left',
position: 'relative',
verticalAlign: 'middle'
}).addClass('popup_content');
$el.wrap('<div id="' + el.id + '_wrapper" class="popup_wrapper" />');
$wrapper = $('#' + el.id + '_wrapper');
$wrapper.css({
position: 'fixed',
top: '0',
left: '0',
width: '100%',
height: '100%',
display: 'none',
textAlign: 'center'
});
$wrapper.append('<div class="popup_align" />');
$('.popup_align').css({
display: 'inline-block',
verticalAlign: 'middle',
height: '100%'
});
// overlay horizontal
if (options.horizontal == 'right') {
$wrapper.css('text-align', 'right');
} else if (options.horizontal == 'left') {
$wrapper.css('text-align', 'left');
}
// overlay vertical
if (options.vertical == 'bottom') {
$el.css('vertical-align', 'bottom');
} else if (options.vertical == 'top') {
$el.css('vertical-align', 'top');
}
$newel = $el;
$el = $wrapper;
}
/**
* add data-popup-order attribute
*/
$(triggerelement).each(function(i, item) {
$(item).attr('data-popup-order', i);
});
/**
* Defining on which event to open/close popup
*/
if (options.action == 'click') {
// open
$(triggerelement).on('click', function(e) {
if ($el.is(':hidden')) {
var or = $(this).attr('data-popup-order');
dopopup(el, or);
e.preventDefault();
}
});
//
$('.' + el.id + options.closesufix).click(function(e) {
hidePopUp(el);
e.preventDefault();
});
} else if (options.action == 'hover') {
$(triggerelement).mouseenter(
function() {
dopopup(el, $(this).attr('data-popup-order'));
});
$(triggerelement).mouseleave(
function() {
hidePopUp(el);
});
} else {
$(triggerelement).mouseover(
function() {
dopopup(el, $(this).attr('data-popup-order'));
});
$(triggerelement).mouseout(
function() {
hidePopUp(el);
});
}
/**
* Close popup on ESC key (binded only if a popup is open)
*/
if (options.escape) {
$(document).keydown(function(e) {
if (e.keyCode == 27 && $el.css('display') == 'block') {
hidePopUp(el);
}
});
}
/**
* Repositioning popup when window resize
*/
$(window).bind('resize', function() {
if (options.type != 'tooltip') {
positionpopup(el);
}
});
/**
* Z-index calculation
*/
if (options.autozindex === true) {
var elements = document.getElementsByTagName("*"),
len = elements.length,
maxZIndex = 0;
for(var i=0; i<len; i++){
var elementZIndex = $(elements[i]).css("z-index");
if(elementZIndex !== "auto"){
elementZIndex = parseInt(elementZIndex);
if(maxZIndex < elementZIndex){
maxZIndex = elementZIndex;
}
}
}
level[el.id] = maxZIndex;
// add z-index to the wrapper
if (level[el.id] > 0) {
$el.css({
zIndex: (level[el.id] + 2)
});
}
// add z-index to the background
if (options.background) {
if (level[el.id] > 0) {
$('#' + el.id + '_background').css({
zIndex: (level[el.id] + 1)
});
}
}
}
/**
* Automaticaly open popup on start, if autoopen option is set
*/
if (options.autoopen) {
dopopup(el, 0);
}
}; // init
/**
* Popup method
*
* @param el - popup element
* @param order - element which triggered this method
*/
var dopopup = function(el, order) {
var clickplace = order;
/**
* beforeopen callback
*/
callback(options.beforeopen, clickplace);
// remember last clicked place
lastclicked[el.id] = clickplace;
// show popup
if (options.fade) {
$el.fadeIn(options.fade, function() {
$(document).on('click', blurhandler);
$(document).on('focusin', focushandler);
});
} else {
$el.show();
setTimeout(function() {
$(document).on('click', blurhandler);
$(document).on('focusin', focushandler);
}, 0);
}
// position
positionpopup(el, clickplace);
// show background
if (options.background) {
if (options.fade) {
$('#' + el.id + '_background').fadeIn(options.fade);
} else {
$('#' + el.id + '_background').show();
}
}
/**
* Keep focus inside dialog box
*/
if (options.keepfocus) {
// make overlay holder div focusable and focus it
$newel.attr('tabindex', -1).focus();
focushandler = function(e) {
if (!$(e.target).parents().andSelf().is('#' + el.id)) {
$newel.focus();
}
};
}
// Fix issue with iPad keyboard that breaks the position of the popup in Safari
// https://github.com/vast-eng/jquery-popup-overlay/issues/4
setTimeout(function() {
window.scrollTo(document.body.scrollLeft, document.body.scrollTop);
}, 0);
/**
* onopen callback
*/
callback(options.onopen, clickplace);
/**
* Close popup on blur
*/
if (options.blur) {
blurhandler = function(e) {
if (!$(e.target).parents().andSelf().is('#' + el.id)) {
hidePopUp(el);
}
};
}
};
/**
* Position popup
*
* @param el
*/
var positionpopup = function(el, clickplace) {
clickplace = clickplace || 0;
// TOOLTIP
if (options.type == 'tooltip') {
$el.css({
'position': 'absolute'
});
var $link = $('.' + el.id + options.opensufix + '[data-popup-order="' + clickplace + '"]');
var linkOffset = $link.offset();
// tooltip horizontal
if (options.horizontal == 'right') {
$el.css('left', linkOffset.left + $link.outerWidth());
} else if (options.horizontal == 'left') {
$el.css('right', $(window).width() - linkOffset.left);
} else {
$el.css('left', linkOffset.left + ($link.outerWidth() / 2) - ($(el).outerWidth() / 2) - parseFloat($(el).css('marginLeft')) );
}
// tooltip vertical
if (options.vertical == 'bottom') {
$el.css('top', linkOffset.top + $link.outerHeight());
} else if (options.vertical == 'top') {
$el.css('bottom', $(window).height() - linkOffset.top);
} else {
$el.css('top', linkOffset.top + ($link.outerHeight() / 2) - ($(el).outerHeight() / 2) - parseFloat($(el).css('marginTop')) );
}
// OVERLAY
} else if (options.type == 'overlay') {
// if height of the popup exceeds the visible area – make the popup scrollable
if ($window.height() < ($newel.outerHeight() + parseFloat($newel.css('marginTop')) + parseFloat($newel.css('marginBottom')))) {
$el.css({
position: 'absolute',
top: $window.scrollTop()
});
} else {
$el.css({
position: 'fixed',
top: '0'
});
}
}
};
/**
* Hide popup
*
* @param {DOM Object} el
*/
var hidePopUp = function(el) {
// hide background
if (options.background) {
if (options.fade) {
$('#' + el.id + '_background').fadeOut(options.fade);
} else {
$('#' + el.id + '_background').hide();
}
}
// unbind event for blur when popup closes
if (options.blur) {
$(document).off('click', blurhandler);
}
if (options.keepfocus) {
$(document).off('focusin', focushandler);
// focus opening link on popup close
$('.' + el.id + options.opensufix).focus();
}
// hide popup
if (options.fade) {
$el.fadeOut(options.fade);
} else {
$el.hide();
}
/**
* onclose callback
*/
callback(options.onclose, lastclicked[el.id]);
};
/**
* Callbacks calls
*
* @param func - callback function
* @param clickplace
*/
var callback = function(func, clickplace) {
var cp = $('.' + $el.attr('id') + options.opensufix + '[data-popup-order="' + clickplace + '"]');
if (typeof func == 'function') {
func(cp);
}
};
this.each(function() {
init(this);
});
//return reference to hide popup
return hidePopUp;
}; // fn.popup
})(jQuery);