https://prostavbu.cz/scripts/jquery/jquery.blockui-v2.js

1/*!
2 * jQuery blockUI plugin
3 * Version 2.57.0-2013.02.17
4 * @requires jQuery v1.7 or later
5 *
6 * Examples at: http://malsup.com/jquery/block/
7 * Copyright (c) 2007-2013 M. Alsup
8 * Dual licensed under the MIT and GPL licenses:
9 * http://www.opensource.org/licenses/mit-license.php
10 * http://www.gnu.org/licenses/gpl.html
11 *
12 * Thanks to Amir-Hossein Sobhi for some excellent contributions!
13 */
14
15;(function() {
16/*jshint eqeqeq:false curly:false latedef:false */
17"use strict";
18
19	function setup($) {
20		$.fn._fadeIn = $.fn.fadeIn;
21
22		var noOp = $.noop || function() {};
23
24		// this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
25		// retarded userAgent strings on Vista)
26		var msie = /MSIE/.test(navigator.userAgent);
27		var ie6  = /MSIE 6.0/.test(navigator.userAgent) && ! /MSIE 8.0/.test(navigator.userAgent);
28		var mode = document.documentMode || 0;
29		// var setExpr = msie && (($.browser.version < 8 && !mode) || mode < 8);
30		var setExpr = $.isFunction( document.createElement('div').style.setExpression );
31
32		// global $ methods for blocking/unblocking the entire page
33		$.blockUI   = function(opts) { install(window, opts); };
34		$.unblockUI = function(opts) { remove(window, opts); };
35
36		// convenience method for quick growl-like notifications  (http://www.google.com/search?q=growl)
37		$.growlUI = function(title, message, timeout, onClose) {
38			var $m = $('<div class="growlUI"></div>');
39			if (title) $m.append('<h1>'+title+'</h1>');
40			if (message) $m.append('<h2>'+message+'</h2>');
41			if (timeout === undefined) timeout = 3000;
42			$.blockUI({
43				message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,
44				timeout: timeout, showOverlay: false,
45				onUnblock: onClose,
46				css: $.blockUI.defaults.growlCSS
47			});
48		};
49
50		// plugin method for blocking element content
51		$.fn.block = function(opts) {
52			var fullOpts = $.extend({}, $.blockUI.defaults, opts || {});
53			this.each(function() {
54				var $el = $(this);
55				if (fullOpts.ignoreIfBlocked && $el.data('blockUI.isBlocked'))
56					return;
57				$el.unblock({ fadeOut: 0 });
58			});
59
60			return this.each(function() {
61				if ($.css(this,'position') == 'static') {
62					this.style.position = 'relative';
63					$(this).data('blockUI.static', true);
64				}
65				this.style.zoom = 1; // force 'hasLayout' in ie
66				install(this, opts);
67			});
68		};
69
70		// plugin method for unblocking element content
71		$.fn.unblock = function(opts) {
72			return this.each(function() {
73				remove(this, opts);
74			});
75		};
76
77		$.blockUI.version = 2.57; // 2nd generation blocking at no extra cost!
78
79		// override these in your code to change the default behavior and style
80		$.blockUI.defaults = {
81			// message displayed when blocking (use null for no message)
82			message:  '<h1>Please wait...</h1>',
83
84			title: null,		// title string; only used when theme == true
85			draggable: true,	// only used when theme == true (requires jquery-ui.js to be loaded)
86
87			theme: false, // set to true to use with jQuery UI themes
88
89			// styles for the message when blocking; if you wish to disable
90			// these and use an external stylesheet then do this in your code:
91			// $.blockUI.defaults.css = {};
92			css: {
93				padding:	0,
94				margin:		0,
95				width:		'30%',
96				top:		'40%',
97				left:		'35%',
98				textAlign:	'center',
99				color:		'#000',
100				border:		'3px solid #aaa',
101				backgroundColor:'#fff',
102				cursor:		'wait'
103			},
104
105			// minimal style set used when themes are used
106			themedCSS: {
107				width:	'30%',
108				top:	'40%',
109				left:	'35%'
110			},
111
112			// styles for the overlay
113			overlayCSS:  {
114				backgroundColor:	'#000',
115				opacity:			0.6,
116				cursor:				'wait'
117			},
118
119			// style to replace wait cursor before unblocking to correct issue
120			// of lingering wait cursor
121			cursorReset: 'default',
122
123			// styles applied when using $.growlUI
124			growlCSS: {
125				width:		'350px',
126				top:		'10px',
127				left:		'',
128				right:		'10px',
129				border:		'none',
130				padding:	'5px',
131				opacity:	0.6,
132				cursor:		'default',
133				color:		'#fff',
134				backgroundColor: '#000',
135				'-webkit-border-radius':'10px',
136				'-moz-border-radius':	'10px',
137				'border-radius':		'10px'
138			},
139
140			// IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
141			// (hat tip to Jorge H. N. de Vasconcelos)
142			/*jshint scripturl:true */
143			iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',
144
145			// force usage of iframe in non-IE browsers (handy for blocking applets)
146			forceIframe: false,
147
148			// z-index for the blocking overlay
149			baseZ: 1000,
150
151			// set these to true to have the message automatically centered
152			centerX: true, // <-- only effects element blocking (page block controlled via css above)
153			centerY: true,
154
155			// allow body element to be stetched in ie6; this makes blocking look better
156			// on "short" pages.  disable if you wish to prevent changes to the body height
157			allowBodyStretch: true,
158
159			// enable if you want key and mouse events to be disabled for content that is blocked
160			bindEvents: true,
161
162			// be default blockUI will supress tab navigation from leaving blocking content
163			// (if bindEvents is true)
164			constrainTabKey: true,
165
166			// fadeIn time in millis; set to 0 to disable fadeIn on block
167			fadeIn:  200,
168
169			// fadeOut time in millis; set to 0 to disable fadeOut on unblock
170			fadeOut:  400,
171
172			// time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
173			timeout: 0,
174
175			// disable if you don't want to show the overlay
176			showOverlay: true,
177
178			// if true, focus will be placed in the first available input field when
179			// page blocking
180			focusInput: true,
181
182			// suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
183			// no longer needed in 2012
184			// applyPlatformOpacityRules: true,
185
186			// callback method invoked when fadeIn has completed and blocking message is visible
187			onBlock: null,
188
189			// callback method invoked when unblocking has completed; the callback is
190			// passed the element that has been unblocked (which is the window object for page
191			// blocks) and the options that were passed to the unblock call:
192			//	onUnblock(element, options)
193			onUnblock: null,
194
195			// callback method invoked when the overlay area is clicked.
196			// setting this will turn the cursor to a pointer, otherwise cursor defined in overlayCss will be used.
197			onOverlayClick: null,
198
199			// don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493
200			quirksmodeOffsetHack: 4,
201
202			// class name of the message block
203			blockMsgClass: 'blockMsg',
204
205			// if it is already blocked, then ignore it (don't unblock and reblock)
206			ignoreIfBlocked: false
207		};
208
209		// private data and functions follow...
210
211		var pageBlock = null;
212		var pageBlockEls = [];
213
214		function install(el, opts) {
215			var css, themedCSS;
216			var full = (el == window);
217			var msg = (opts && opts.message !== undefined ? opts.message : undefined);
218			opts = $.extend({}, $.blockUI.defaults, opts || {});
219
220			if (opts.ignoreIfBlocked && $(el).data('blockUI.isBlocked'))
221				return;
222
223			opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
224			css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
225			if (opts.onOverlayClick)
226				opts.overlayCSS.cursor = 'pointer';
227
228			themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {});
229			msg = msg === undefined ? opts.message : msg;
230
231			// remove the current block (if there is one)
232			if (full && pageBlock)
233				remove(window, {fadeOut:0});
234
235			// if an existing element is being used as the blocking content then we capture
236			// its current place in the DOM (and current display style) so we can restore
237			// it when we unblock
238			if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
239				var node = msg.jquery ? msg[0] : msg;
240				var data = {};
241				$(el).data('blockUI.history', data);
242				data.el = node;
243				data.parent = node.parentNode;
244				data.display = node.style.display;
245				data.position = node.style.position;
246				if (data.parent)
247					data.parent.removeChild(node);
248			}
249
250			$(el).data('blockUI.onUnblock', opts.onUnblock);
251			var z = opts.baseZ;
252
253			// blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
254			// layer1 is the iframe layer which is used to supress bleed through of underlying content
255			// layer2 is the overlay layer which has opacity and a wait cursor (by default)
256			// layer3 is the message content that is displayed while blocking
257			var lyr1, lyr2, lyr3, s;
258			if (msie || opts.forceIframe)
259				lyr1 = $('<iframe class="blockUI" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;position:absolute;width:100%;height:100%;top:0;left:0" src="'+opts.iframeSrc+'"></iframe>');
260			else
261				lyr1 = $('<div class="blockUI" style="display:none"></div>');
262
263			if (opts.theme)
264				lyr2 = $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>');
265			else
266				lyr2 = $('<div class="blockUI blockOverlay" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;width:100%;height:100%;top:0;left:0"></div>');
267
268			if (opts.theme && full) {
269				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:fixed">';
270				if ( opts.title ) {
271					s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || '&nbsp;')+'</div>';
272				}
273				s += '<div class="ui-widget-content ui-dialog-content"></div>';
274				s += '</div>';
275			}
276			else if (opts.theme) {
277				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:absolute">';
278				if ( opts.title ) {
279					s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || '&nbsp;')+'</div>';
280				}  
281				s += '<div class="ui-widget-content ui-dialog-content"></div>';
282				s += '</div>';
283			}
284			else if (full) {
285				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>';
286			}
287			else {
288				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>';
289			}
290			lyr3 = $(s);
291
292			// if we have a message, style it
293			if (msg) {
294				if (opts.theme) {
295					lyr3.css(themedCSS);
296					lyr3.addClass('ui-widget-content');
297				}
298				else
299					lyr3.css(css);
300			}
301
302			// style the overlay
303			if (!opts.theme /*&& (!opts.applyPlatformOpacityRules)*/)
304				lyr2.css(opts.overlayCSS);
305			lyr2.css('position', full ? 'fixed' : 'absolute');
306
307			// make iframe layer transparent in IE
308			if (msie || opts.forceIframe)
309				lyr1.css('opacity',0.0);
310
311			//$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
312			var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el);
313			$.each(layers, function() {
314				this.appendTo($par);
315			});
316
317			if (opts.theme && opts.draggable && $.fn.draggable) {
318				lyr3.draggable({
319					handle: '.ui-dialog-titlebar',
320					cancel: 'li'
321				});
322			}
323
324			// ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
325			var expr = setExpr && (!$.support.boxModel || $('object,embed', full ? null : el).length > 0);
326			if (ie6 || expr) {
327				// give body 100% height
328				if (full && opts.allowBodyStretch && $.support.boxModel)
329					$('html,body').css('height','100%');
330
331				// fix ie6 issue when blocked element has a border width
332				if ((ie6 || !$.support.boxModel) && !full) {
333					var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
334					var fixT = t ? '(0 - '+t+')' : 0;
335					var fixL = l ? '(0 - '+l+')' : 0;
336				}
337
338				// simulate fixed position
339				$.each(layers, function(i,o) {
340					var s = o[0].style;
341					s.position = 'absolute';
342					if (i < 2) {
343						if (full)
344							s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.support.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"');
345						else
346							s.setExpression('height','this.parentNode.offsetHeight + "px"');
347						if (full)
348							s.setExpression('width','jQuery.support.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"');
349						else
350							s.setExpression('width','this.parentNode.offsetWidth + "px"');
351						if (fixL) s.setExpression('left', fixL);
352						if (fixT) s.setExpression('top', fixT);
353					}
354					else if (opts.centerY) {
355						if (full) s.setExpression('top','(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"');
356						s.marginTop = 0;
357					}
358					else if (!opts.centerY && full) {
359						var top = (opts.css && opts.css.top) ? parseInt(opts.css.top, 10) : 0;
360						var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"';
361						s.setExpression('top',expression);
362					}
363				});
364			}
365
366			// show the message
367			if (msg) {
368				if (opts.theme)
369					lyr3.find('.ui-widget-content').append(msg);
370				else
371					lyr3.append(msg);
372				if (msg.jquery || msg.nodeType)
373					$(msg).show();
374			}
375
376			if ((msie || opts.forceIframe) && opts.showOverlay)
377				lyr1.show(); // opacity is zero
378			if (opts.fadeIn) {
379				var cb = opts.onBlock ? opts.onBlock : noOp;
380				var cb1 = (opts.showOverlay && !msg) ? cb : noOp;
381				var cb2 = msg ? cb : noOp;
382				if (opts.showOverlay)
383					lyr2._fadeIn(opts.fadeIn, cb1);
384				if (msg)
385					lyr3._fadeIn(opts.fadeIn, cb2);
386			}
387			else {
388				if (opts.showOverlay)
389					lyr2.show();
390				if (msg)
391					lyr3.show();
392				if (opts.onBlock)
393					opts.onBlock();
394			}
395

396			// bind key and mouse events
397			bind(1, el, opts);
398
399			if (full) {
400				pageBlock = lyr3[0];
401				pageBlockEls = $(':input:enabled:visible',pageBlock);
402				if (opts.focusInput)
403					setTimeout(focus, 20);
404			}
405			else
406				center(lyr3[0], opts.centerX, opts.centerY);
407
408			if (opts.timeout) {
409				// auto-unblock
410				var to = setTimeout(function() {
411					if (full)
412						$.unblockUI(opts);
413					else
414						$(el).unblock(opts);
415				}, opts.timeout);
416				$(el).data('blockUI.timeout', to);
417			}
418		}
419
420		// remove the block
421		function remove(el, opts) {
422			var full = (el == window);
423			var $el = $(el);
424			var data = $el.data('blockUI.history');
425			var to = $el.data('blockUI.timeout');
426			if (to) {
427				clearTimeout(to);
428				$el.removeData('blockUI.timeout');
429			}
430			opts = $.extend({}, $.blockUI.defaults, opts || {});
431			bind(0, el, opts); // unbind events
432
433			if (opts.onUnblock === null) {
434				opts.onUnblock = $el.data('blockUI.onUnblock');
435				$el.removeData('blockUI.onUnblock');
436			}
437
438			var els;
439			if (full) // crazy selector to handle odd field errors in ie6/7
440				els = $('body').children().filter('.blockUI').add('body > .blockUI');
441			else
442				els = $el.find('>.blockUI');
443
444			// fix cursor issue
445			if ( opts.cursorReset ) {
446				if ( els.length > 1 )
447					els[1].style.cursor = opts.cursorReset;
448				if ( els.length > 2 )
449					els[2].style.cursor = opts.cursorReset;
450			}
451
452			if (full)
453				pageBlock = pageBlockEls = null;
454
455			if (opts.fadeOut) {
456				els.fadeOut(opts.fadeOut);
457				setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut);
458			}
459			else
460				reset(els, data, opts, el);
461		}
462
463		// move blocking element back into the DOM where it started
464		function reset(els,data,opts,el) {
465			var $el = $(el);
466			els.each(function(i,o) {
467				// remove via DOM calls so we don't lose event handlers
468				if (this.parentNode)
469					this.parentNode.removeChild(this);
470			});
471
472			if (data && data.el) {
473				data.el.style.display = data.display;
474				data.el.style.position = data.position;
475				if (data.parent)
476					data.parent.appendChild(data.el);
477				$el.removeData('blockUI.history');
478			}
479
480			if ($el.data('blockUI.static')) {
481				$el.css('position', 'static'); // #22
482			}
483
484			if (typeof opts.onUnblock == 'function')
485				opts.onUnblock(el,opts);
486
487			// fix issue in Safari 6 where block artifacts remain until reflow
488			var body = $(document.body), w = body.width(), cssW = body[0].style.width;
489			body.width(w-1).width(w);
490			body[0].style.width = cssW;
491		}
492
493		// bind/unbind the handler
494		function bind(b, el, opts) {
495			var full = el == window, $el = $(el);
496
497			// don't bother unbinding if there is nothing to unbind
498			if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
499				return;
500
501			$el.data('blockUI.isBlocked', b);
502
503			// don't bind events when overlay is not in use or if bindEvents is false
504			if (!opts.bindEvents || (b && !opts.showOverlay))
505				return;
506
507			// bind anchors and inputs for mouse and key events
508			var events = 'mousedown mouseup keydown keypress keyup touchstart touchend touchmove';
509			if (b)
510				$(document).bind(events, opts, handler);
511			else
512				$(document).unbind(events, handler);
513
514		// former impl...
515		//		var $e = $('a,:input');
516		//		b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
517		}
518
519		// event handler to suppress keyboard/mouse events when blocking
520		function handler(e) {
521			// allow tab navigation (conditionally)
522			if (e.keyCode && e.keyCode == 9) {
523				if (pageBlock && e.data.constrainTabKey) {
524					var els = pageBlockEls;
525					var fwd = !e.shiftKey && e.target === els[els.length-1];
526					var back = e.shiftKey && e.target === els[0];
527					if (fwd || back) {
528						setTimeout(function(){focus(back);},10);
529						return false;
530					}
531				}
532			}
533			var opts = e.data;
534			var target = $(e.target);
535			if (target.hasClass('blockOverlay') && opts.onOverlayClick)
536				opts.onOverlayClick();
537
538			// allow events within the message content
539			if (target.parents('div.' + opts.blockMsgClass).length > 0)
540				return true;
541
542			// allow events for content that is not being blocked
543			return target.parents().children().filter('div.blockUI').length === 0;
544		}
545
546		function focus(back) {
547			if (!pageBlockEls)
548				return;
549			var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0];
550			if (e)
551				e.focus();
552		}
553
554		function center(el, x, y) {
555			var p = el.parentNode, s = el.style;
556			var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth');
557			var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth');
558			if (x) s.left = l > 0 ? (l+'px') : '0';
559			if (y) s.top  = t > 0 ? (t+'px') : '0';
560		}
561
562		function sz(el, p) {
563			return parseInt($.css(el,p),10)||0;
564		}
565
566	}
567
568
569	/*global define:true */
570	if (typeof define === 'function' && define.amd && define.amd.jQuery) {
571		define(['jquery'], setup);