https://www.aramon.com/estaticos/js/jquery.blockUI.js

1/*!
2 * jQuery blockUI plugin
3 * Version 2.42 (11-MAY-2012)
4 * @requires jQuery v1.2.3 or later
5 *
6 * Examples at: http://malsup.com/jquery/block/
7 * Copyright (c) 2007-2010 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
17	function setup($) {
18		/*if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) {
19			alert('blockUI requires jQuery v1.2.3 or later!  You are using v' + $.fn.jquery);
20			return;
21		}*/
22
23		$.fn._fadeIn = $.fn.fadeIn;
24
25		var noOp = function() {};
26
27		// this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
28		// retarded userAgent strings on Vista)
29		var mode = document.documentMode || 0;
30		var setExpr = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8);
31		var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && !mode;
32
33		// global $ methods for blocking/unblocking the entire page
34		$.blockUI   = function(opts) { install(window, opts); };
35		$.unblockUI = function(opts) { remove(window, opts); };
36
37		// convenience method for quick growl-like notifications  (http://www.google.com/search?q=growl)
38		$.growlUI = function(title, message, timeout, onClose) {
39			var $m = $('<div class="growlUI"></div>');
40			if (title) $m.append('<h1>'+title+'</h1>');
41			if (message) $m.append('<h2>'+message+'</h2>');
42			if (timeout == undefined) timeout = 3000;
43			$.blockUI({
44				message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,
45				timeout: timeout, showOverlay: false,
46				onUnblock: onClose,
47				css: $.blockUI.defaults.growlCSS
48			});
49		};
50
51		// plugin method for blocking element content
52		$.fn.block = function(opts) {
53			var fullOpts = $.extend({}, $.blockUI.defaults, opts || {});
54			this.each(function() {
55				var $el = $(this);
56				if (fullOpts.ignoreIfBlocked && $el.data('blockUI.isBlocked'))
57					return;
58				$el.unblock({ fadeOut: 0 });
59			});
60
61			return this.each(function() {
62				if ($.css(this,'position') == 'static')
63					this.style.position = 'relative';
64				if ($.browser.msie)
65					this.style.zoom = 1; // force 'hasLayout'
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 = 2.42; // 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			// styles applied when using $.growlUI
120			growlCSS: {
121				width:  	'350px',
122				top:		'10px',
123				left:   	'',
124				right:  	'10px',
125				border: 	'none',
126				padding:	'5px',
127				opacity:	0.6,
128				cursor: 	'default',
129				color:		'#fff',
130				backgroundColor: '#000',
131				'-webkit-border-radius': '10px',
132				'-moz-border-radius':	 '10px',
133				'border-radius': 		 '10px'
134			},
135
136			// IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
137			// (hat tip to Jorge H. N. de Vasconcelos)
138			iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',
139
140			// force usage of iframe in non-IE browsers (handy for blocking applets)
141			forceIframe: false,
142
143			// z-index for the blocking overlay
144			baseZ: 1000,
145
146			// set these to true to have the message automatically centered
147			centerX: true, // <-- only effects element blocking (page block controlled via css above)
148			centerY: true,
149
150			// allow body element to be stetched in ie6; this makes blocking look better
151			// on "short" pages.  disable if you wish to prevent changes to the body height
152			allowBodyStretch: true,
153
154			// enable if you want key and mouse events to be disabled for content that is blocked
155			bindEvents: true,
156
157			// be default blockUI will supress tab navigation from leaving blocking content
158			// (if bindEvents is true)
159			constrainTabKey: true,
160
161			// fadeIn time in millis; set to 0 to disable fadeIn on block
162			fadeIn:  200,
163
164			// fadeOut time in millis; set to 0 to disable fadeOut on unblock
165			fadeOut:  400,
166
167			// time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
168			timeout: 0,
169
170			// disable if you don't want to show the overlay
171			showOverlay: true,
172
173			// if true, focus will be placed in the first available input field when
174			// page blocking
175			focusInput: true,
176
177			// suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
178			applyPlatformOpacityRules: true,
179
180			// callback method invoked when fadeIn has completed and blocking message is visible
181			onBlock: null,
182
183			// callback method invoked when unblocking has completed; the callback is
184			// passed the element that has been unblocked (which is the window object for page
185			// blocks) and the options that were passed to the unblock call:
186			//	 onUnblock(element, options)
187			onUnblock: null,
188
189			// don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493

190			quirksmodeOffsetHack: 4,
191
192			// class name of the message block
193			blockMsgClass: 'blockMsg',
194
195			// if it is already blocked, then ignore it (don't unblock and reblock)
196			ignoreIfBlocked: false
197		};
198
199		// private data and functions follow...
200
201		var pageBlock = null;
202		var pageBlockEls = [];
203
204		function install(el, opts) {
205			var css, themedCSS;
206			var full = (el == window);
207			var msg = (opts && opts.message !== undefined ? opts.message : undefined);
208			opts = $.extend({}, $.blockUI.defaults, opts || {});
209
210			if (opts.ignoreIfBlocked && $(el).data('blockUI.isBlocked'))
211				return;
212
213			opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
214			css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
215			themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {});
216			msg = msg === undefined ? opts.message : msg;
217
218			// remove the current block (if there is one)
219			if (full && pageBlock)
220				remove(window, {fadeOut:0});
221
222			// if an existing element is being used as the blocking content then we capture
223			// its current place in the DOM (and current display style) so we can restore
224			// it when we unblock
225			if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
226				var node = msg.jquery ? msg[0] : msg;
227				var data = {};
228				$(el).data('blockUI.history', data);
229				data.el = node;
230				data.parent = node.parentNode;
231				data.display = node.style.display;
232				data.position = node.style.position;
233				if (data.parent)
234					data.parent.removeChild(node);
235			}
236
237			$(el).data('blockUI.onUnblock', opts.onUnblock);
238			var z = opts.baseZ;
239
240			// blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
241			// layer1 is the iframe layer which is used to supress bleed through of underlying content
242			// layer2 is the overlay layer which has opacity and a wait cursor (by default)
243			// layer3 is the message content that is displayed while blocking
244
245			var lyr1 = ($.browser.msie || opts.forceIframe)
246				? $('<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>')
247				: $('<div class="blockUI" style="display:none"></div>');
248
249			var lyr2 = opts.theme
250				? $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>')
251				: $('<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>');
252
253			var lyr3, s;
254			if (opts.theme && full) {
255				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:fixed">' +
256						'<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || '&nbsp;')+'</div>' +
257						'<div class="ui-widget-content ui-dialog-content"></div>' +
258					'</div>';
259			}
260			else if (opts.theme) {
261				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:absolute">' +
262						'<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || '&nbsp;')+'</div>' +
263						'<div class="ui-widget-content ui-dialog-content"></div>' +
264					'</div>';
265			}
266			else if (full) {
267				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>';
268			}
269			else {
270				s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>';
271			}
272			lyr3 = $(s);
273
274			// if we have a message, style it
275			if (msg) {
276				if (opts.theme) {
277					lyr3.css(themedCSS);
278					lyr3.addClass('ui-widget-content');
279				}
280				else
281					lyr3.css(css);
282			}
283
284			// style the overlay
285			if (!opts.theme && (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform))))
286				lyr2.css(opts.overlayCSS);
287			lyr2.css('position', full ? 'fixed' : 'absolute');
288
289			// make iframe layer transparent in IE
290			if ($.browser.msie || opts.forceIframe)
291				lyr1.css('opacity',0.0);
292
293			//$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
294			var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el);
295			$.each(layers, function() {
296				this.appendTo($par);
297			});
298
299			if (opts.theme && opts.draggable && $.fn.draggable) {
300				lyr3.draggable({
301					handle: '.ui-dialog-titlebar',
302					cancel: 'li'
303				});
304			}
305
306			// ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
307			var expr = setExpr && (!$.boxModel || $('object,embed', full ? null : el).length > 0);
308			if (ie6 || expr) {
309				// give body 100% height
310				if (full && opts.allowBodyStretch && $.boxModel)
311					$('html,body').css('height','100%');
312
313				// fix ie6 issue when blocked element has a border width
314				if ((ie6 || !$.boxModel) && !full) {
315					var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
316					var fixT = t ? '(0 - '+t+')' : 0;
317					var fixL = l ? '(0 - '+l+')' : 0;
318				}
319
320				// simulate fixed position
321				$.each([lyr1,lyr2,lyr3], function(i,o) {
322					var s = o[0].style;
323					s.position = 'absolute';
324					if (i < 2) {
325						full ? s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:'+opts.quir

325ksmodeOffsetHack+') + "px"')
326							 : s.setExpression('height','this.parentNode.offsetHeight + "px"');
327						full ? s.setExpression('width','jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"')
328							 : s.setExpression('width','this.parentNode.offsetWidth + "px"');
329						if (fixL) s.setExpression('left', fixL);
330						if (fixT) s.setExpression('top', fixT);
331					}
332					else if (opts.centerY) {
333						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"');
334						s.marginTop = 0;
335					}
336					else if (!opts.centerY && full) {
337						var top = (opts.css && opts.css.top) ? parseInt(opts.css.top) : 0;
338						var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"';
339						s.setExpression('top',expression);
340					}
341				});
342			}
343
344			// show the message
345			if (msg) {
346				if (opts.theme)
347					lyr3.find('.ui-widget-content').append(msg);
348				else
349					lyr3.append(msg);
350				if (msg.jquery || msg.nodeType)
351					$(msg).show();
352			}
353
354			if (($.browser.msie || opts.forceIframe) && opts.showOverlay)
355				lyr1.show(); // opacity is zero
356			if (opts.fadeIn) {
357				var cb = opts.onBlock ? opts.onBlock : noOp;
358				var cb1 = (opts.showOverlay && !msg) ? cb : noOp;
359				var cb2 = msg ? cb : noOp;
360				if (opts.showOverlay)
361					lyr2._fadeIn(opts.fadeIn, cb1);
362				if (msg)
363					lyr3._fadeIn(opts.fadeIn, cb2);
364			}
365			else {
366				if (opts.showOverlay)
367					lyr2.show();
368				if (msg)
369					lyr3.show();
370				if (opts.onBlock)
371					opts.onBlock();
372			}
373
374			// bind key and mouse events
375			bind(1, el, opts);
376
377			if (full) {
378				pageBlock = lyr3[0];
379				pageBlockEls = $(':input:enabled:visible',pageBlock);
380				if (opts.focusInput)
381					setTimeout(focus, 20);
382			}
383			else
384				center(lyr3[0], opts.centerX, opts.centerY);
385
386			if (opts.timeout) {
387				// auto-unblock
388				var to = setTimeout(function() {
389					full ? $.unblockUI(opts) : $(el).unblock(opts);
390				}, opts.timeout);
391				$(el).data('blockUI.timeout', to);
392			}
393		};
394
395		// remove the block
396		function remove(el, opts) {
397			var full = (el == window);
398			var $el = $(el);
399			var data = $el.data('blockUI.history');
400			var to = $el.data('blockUI.timeout');
401			if (to) {
402				clearTimeout(to);
403				$el.removeData('blockUI.timeout');
404			}
405			opts = $.extend({}, $.blockUI.defaults, opts || {});
406			bind(0, el, opts); // unbind events
407
408			if (opts.onUnblock === null) {
409				opts.onUnblock = $el.data('blockUI.onUnblock');
410				$el.removeData('blockUI.onUnblock');
411			}
412
413			var els;
414			if (full) // crazy selector to handle odd field errors in ie6/7
415				els = $('body').children().filter('.blockUI').add('body > .blockUI');
416			else
417				els = $('.blockUI', el);
418
419			if (full)
420				pageBlock = pageBlockEls = null;
421
422			if (opts.fadeOut) {
423				els.fadeOut(opts.fadeOut);
424				setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut);
425			}
426			else
427				reset(els, data, opts, el);
428		};
429
430		// move blocking element back into the DOM where it started
431		function reset(els,data,opts,el) {
432			els.each(function(i,o) {
433				// remove via DOM calls so we don't lose event handlers
434				if (this.parentNode)
435					this.parentNode.removeChild(this);
436			});
437
438			if (data && data.el) {
439				data.el.style.display = data.display;
440				data.el.style.position = data.position;
441				if (data.parent)
442					data.parent.appendChild(data.el);
443				$(el).removeData('blockUI.history');
444			}
445
446			if (typeof opts.onUnblock == 'function')
447				opts.onUnblock(el,opts);
448		};
449
450		// bind/unbind the handler
451		function bind(b, el, opts) {
452			var full = el == window, $el = $(el);
453
454			// don't bother unbinding if there is nothing to unbind
455			if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
456				return;
457
458			$el.data('blockUI.isBlocked', b);
459
460			// don't bind events when overlay is not in use or if bindEvents is false
461			if (!opts.bindEvents || (b && !opts.showOverlay))
462				return;
463

464			// bind anchors and inputs for mouse and key events
465			var events = 'mousedown mouseup keydown keypress';
466			b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler);
467
468		// former impl...
469		//	   var $e = $('a,:input');
470		//	   b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
471		};
472
473		// event handler to suppress keyboard/mouse events when blocking
474		function handler(e) {
475			// allow tab navigation (conditionally)
476			if (e.keyCode && e.keyCode == 9) {
477				if (pageBlock && e.data.constrainTabKey) {
478					var els = pageBlockEls;
479					var fwd = !e.shiftKey && e.target === els[els.length-1];
480					var back = e.shiftKey && e.target === els[0];
481					if (fwd || back) {
482						setTimeout(function(){focus(back)},10);
483						return false;
484					}
485				}
486			}
487			var opts = e.data;
488			// allow events within the message content
489			if ($(e.target).parents('div.' + opts.blockMsgClass).length > 0)
490				return true;
491
492			// allow events for content that is not being blocked
493			return $(e.target).parents().children().filter('div.blockUI').length == 0;
494		};
495
496		function focus(back) {
497			if (!pageBlockEls)
498				return;
499			var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0];
500			if (e)
501				e.focus();
502		};
503
504		function center(el, x, y) {
505			var p = el.parentNode, s = el.style;
506			var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth');
507			var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth');
508			if (x) s.left = l > 0 ? (l+'px') : '0';
509			if (y) s.top  = t > 0 ? (t+'px') : '0';
510		};
511
512		function sz(el, p) {
513			return parseInt($.css(el,p))||0;
514		};
515
516	};
517
518
519	if (typeof define === 'function' && define.amd && define.amd.jQuery) {
520		define(['jquery'], setup);
521	} else {
522		setup(jQuery);
523	}
524
525})();