1/*! 2* jQuery blockUI plugin 3* Version 2.39 (23-MAY-2011) 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 ($) { 16 17 if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) { 18 alert('blockUI requires jQuery v1.2.3 or later! You are using v' + $.fn.jquery); 19 return; 20 } 21 22 $.fn._fadeIn = $.fn.fadeIn; 23 24 var noOp = function () { }; 25 26 // this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle 27 // retarded userAgent strings on Vista) 28 var mode = document.documentMode || 0; 29 var setExpr = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8); 30 var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && !mode; 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 $.fn.block = function (opts) { 52 return this.unblock({ fadeOut: 0 }).each(function () { 53 if ($.css(this, 'position') == 'static') 54 this.style.position = 'relative'; 55 if ($.browser.msie) 56 this.style.zoom = 1; // force 'hasLayout' 57 install(this, opts); 58 }); 59 }; 60 61 // plugin method for unblocking element content 62 $.fn.unblock = function (opts) { 63 return this.each(function () { 64 remove(this, opts); 65 }); 66 }; 67 68 $.blockUI.version = 2.39; // 2nd generation blocking at no extra cost! 69 70 // override these in your code to change the default behavior and style 71 $.blockUI.defaults = { 72 // message displayed when blocking (use null for no message) 73 // message: '<h1>Please wait...</h1>', DERUEDAS: QUITAR MENSAJE POR DEFECTO 74 message: '<div><img src="/images/design/loader_2020_1.gif" width="250"></div>', //DERUEDAS: AGREGAR MENSAJE POR DEFECTO, SINO DEBERA ENVIARSE DE ESTA FORMA: $.blockUI({message: '<br><img src="images/design/loader_1.gif" align="absmiddle" hspace="10">Espere por favor...<br> '}); 75 76 title: null, // title string; only used when theme == true 77 draggable: true, // only used when theme == true (requires jquery-ui.js to be loaded) 78 79 theme: false, // set to true to use with jQuery UI themes 80 81 // styles for the message when blocking; if you wish to disable 82 // these and use an external stylesheet then do this in your code: 83 // $.blockUI.defaults.css = {}; 84 css: { 85 padding: 0, 86 margin: 0, 87 width: '100%', 88 top: '40%', 89 /*left: '35%',*/ 90 textAlign: 'center', 91 /*color: '#000', 92 border: '3px solid #aaa', 93 backgroundColor: '#fff',*/ 94 cursor: 'wait' 95 }, 96 97 // minimal style set used when themes are used 98 themedCSS: { 99 width: '30%', 100 top: '40%', 101 left: '35%' 102 }, 103 104 // styles for the overlay 105 overlayCSS: { 106 backgroundColor: '#F2F2F2', 107 opacity: 0.7, 108 cursor: 'wait' 109 }, 110 111 // styles applied when using $.growlUI 112 growlCSS: { 113 width: '350px', 114 top: '10px', 115 left: '', 116 right: '10px', 117 border: 'none', 118 padding: '5px', 119 opacity: 0.6, 120 cursor: 'default', 121 color: '#fff', 122 backgroundColor: '#000',
123 '-webkit-border-radius': '10px', 124 '-moz-border-radius': '10px', 125 'border-radius': '10px' 126 }, 127 128 // IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w 129 // (hat tip to Jorge H. N. de Vasconcelos) 130 iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank', 131 132 // force usage of iframe in non-IE browsers (handy for blocking applets) 133 forceIframe: false, 134 135 // z-index for the blocking overlay 136 baseZ: 8020, //DERUEDAS: PARA PONERLO SOBRE LOS FANCY DEBE SUBIRSE A 8020 137 138 // set these to true to have the message automatically centered 139 centerX: true, // <-- only effects element blocking (page block controlled via css above) 140 centerY: true, 141 142 // allow body element to be stetched in ie6; this makes blocking look better 143 // on "short" pages. disable if you wish to prevent changes to the body height 144 allowBodyStretch: true, 145 146 // enable if you want key and mouse events to be disabled for content that is blocked 147 bindEvents: true, 148 149 // be default blockUI will supress tab navigation from leaving blocking content 150 // (if bindEvents is true) 151 constrainTabKey: true, 152 153 // fadeIn time in millis; set to 0 to disable fadeIn on block 154 fadeIn: 200, 155 156 // fadeOut time in millis; set to 0 to disable fadeOut on unblock 157 fadeOut: 400, 158 159 // time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock 160 timeout: 0, 161 162 // disable if you don't want to show the overlay 163 showOverlay: true, 164 165 // if true, focus will be placed in the first available input field when 166 // page blocking 167 focusInput: true, 168 169 // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity) 170 applyPlatformOpacityRules: true, 171 172 // callback method invoked when fadeIn has completed and blocking message is visible 173 onBlock: null, 174 175 // callback method invoked when unblocking has completed; the callback is 176 // passed the element that has been unblocked (which is the window object for page 177 // blocks) and the options that were passed to the unblock call: 178 // onUnblock(element, options) 179 onUnblock: null, 180 181 // don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493 182 quirksmodeOffsetHack: 4, 183 184 // class name of the message block 185 blockMsgClass: 'blockMsg' 186 }; 187 188 // private data and functions follow... 189 190 var pageBlock = null; 191 var pageBlockEls = []; 192 193 function install(el, opts) { 194 var full = (el == window); 195 var msg = opts && opts.message !== undefined ? opts.message : undefined; 196 opts = $.extend({}, $.blockUI.defaults, opts || {}); 197 opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {}); 198 var css = $.extend({}, $.blockUI.defaults.css, opts.css || {}); 199 var themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {}); 200 msg = msg === undefined ? opts.message : msg; 201 202 // Escuchar eventos para desbloquear cuando se vuelve atrás 203 $(window).bind('pageshow popstate', function(event) { 204 if (event.originalEvent.persisted || event.type === 'popstate') { 205 $.unblockUI(); // Desbloquear en ambos casos 206 } 207 }); 208 209 // remove the current block (if there is one) 210 if (full && pageBlock) 211 remove(window, { fadeOut: 0 }); 212 213 // if an existing element is being used as the blocking content then we capture 214 // its current place in the DOM (and current display style) so we can restore 215 // it when we unblock 216 if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) { 217 var node = msg.jquery ? msg[0] : msg; 218 var data = {}; 219 $(el).data('blockUI.history', data); 220 data.el = node; 221 data.parent = node.parentNode; 222 data.display = node.style.display; 223 data.position = node.style.position; 224 if (data.parent) 225 data.parent.removeChild(node); 226 } 227 228 $(el).data('blockUI.onUnblock', opts.onUnblock); 229 var z = opts.baseZ; 230 231 // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform; 232 // layer1 is the iframe layer which is used to supress bleed through of underlying content 233 // layer2 is the overlay layer which has opacity and a wait cursor (by default) 234 // layer3 is the message content that is displayed while blocking 235 236 var lyr1 = ($.browser.msie || opts.forceIframe) 237? $('<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>') 238: $('<div class="blockUI" style="display:none"></div>'); 239 240 var lyr2 = opts.theme 241? $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:' + (z++) + ';display:none"></div>') 242: $('<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>'); 243 244 var lyr3, s; 245 if (opts.theme && full) { 246 s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:' + (z + 10) + ';display:none;position:fixed">' + 247'<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">' + (opts.title || ' ') + '</div>' + 248'<div class="ui-widget-content ui-dialog-content"></div>' + 249'</div>'; 250 } 251 else if (opts.theme) { 252 s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:' + (z + 10) + ';display:none;position:absolute">' + 253'<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">' + (opts.title || ' ') + '</div>' + 254'<div class="ui-widget-content ui-dialog-content"></div>' + 255'</div>'; 256 } 257 else if (full) { 258 s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:' + (z + 10) + ';display:none;position:fixed"></div>'; 259 } 260 else { 261 s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:' + (z + 10) + ';display:none;position:absolute"></div>'; 262 } 263 lyr3 = $(s); 264 265 // if we have a message, style it 266 if (msg) { 267 if (opts.theme) { 268 lyr3.css(themedCSS); 269 lyr3.addClass('ui-widget-content'); 270 } 271 else 272 lyr3.css(css); 273 } 274 275 // style the overlay 276 if (!opts.theme && (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform)))) 277 lyr2.css(opts.overlayCSS); 278 lyr2.css('position', full ? 'fixed' : 'absolute'); 279 280 // make iframe layer transparent in IE 281 if ($.browser.msie || opts.forceIframe) 282 lyr1.css('opacity', 0.0); 283 284 //$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el); 285 var layers = [lyr1, lyr2, lyr3], $par = full ? $('body') : $(el); 286 $.each(layers, function () { 287 this.appendTo($par); 288 }); 289 290 if (opts.theme && opts.draggable && $.fn.draggable) { 291 lyr3.draggable({ 292 handle: '.ui-dialog-titlebar', 293 cancel: 'li' 294 }); 295 } 296 297 // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling) 298 var expr = setExpr && (!$.boxModel || $('object,embed', full ? null : el).length > 0); 299 if (ie6 || expr) { 300 // give body 100% height 301 if (full && opts.allowBodyStretch && $.boxModel) 302 $('html,body').css('height', '100%'); 303 304 // fix ie6 issue when blocked element has a border width 305 if ((ie6 || !$.boxModel) && !full) { 306 var t = sz(el, 'borderTopWidth'), l = sz(el, 'borderLeftWidth'); 307 var fixT = t ? '(0 - ' + t + ')' : 0; 308 var fixL = l ? '(0 - ' + l + ')' : 0; 309 } 310 311 // simulate fixed position 312 $.each([lyr1, lyr2, lyr3], function (i, o) { 313 var s = o[0].style; 314 s.position = 'absolute'; 315 if (i < 2) { 316 full ? s.setExpression('height', 'Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:' + opts.quir
316ksmodeOffsetHack + ') + "px"') 317: s.setExpression('height', 'this.parentNode.offsetHeight + "px"'); 318 full ? s.setExpression('width', 'jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"') 319: s.setExpression('width', 'this.parentNode.offsetWidth + "px"'); 320 if (fixL) s.setExpression('left', fixL); 321 if (fixT) s.setExpression('top', fixT); 322 } 323 else if (opts.centerY) { 324 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"'); 325 s.marginTop = 0; 326 } 327 else if (!opts.centerY && full) { 328 var top = (opts.css && opts.css.top) ? parseInt(opts.css.top) : 0; 329 var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + ' + top + ') + "px"'; 330 s.setExpression('top', expression); 331 } 332 }); 333 } 334 335 // show the message 336 if (msg) { 337 if (opts.theme) 338 lyr3.find('.ui-widget-content').append(msg); 339 else 340 lyr3.append(msg); 341 if (msg.jquery || msg.nodeType) 342 $(msg).show(); 343 } 344 345 if (($.browser.msie || opts.forceIframe) && opts.showOverlay) 346 lyr1.show(); // opacity is zero 347 if (opts.fadeIn) { 348 var cb = opts.onBlock ? opts.onBlock : noOp; 349 var cb1 = (opts.showOverlay && !msg) ? cb : noOp; 350 var cb2 = msg ? cb : noOp; 351 if (opts.showOverlay) 352 lyr2._fadeIn(opts.fadeIn, cb1); 353 if (msg) 354 lyr3._fadeIn(opts.fadeIn, cb2); 355 } 356 else { 357 if (opts.showOverlay) 358 lyr2.show(); 359 if (msg) 360 lyr3.show(); 361 if (opts.onBlock) 362 opts.onBlock(); 363 } 364 365 // bind key and mouse events 366 bind(1, el, opts); 367 368 if (full) { 369 pageBlock = lyr3[0]; 370 pageBlockEls = $(':input:enabled:visible', pageBlock); 371 if (opts.focusInput) 372 setTimeout(focus, 20); 373 } 374 else 375 center(lyr3[0], opts.centerX, opts.centerY); 376 377 if (opts.timeout) { 378 // auto-unblock 379 var to = setTimeout(function () { 380 full ? $.unblockUI(opts) : $(el).unblock(opts); 381 }, opts.timeout); 382 $(el).data('blockUI.timeout', to); 383 } 384 }; 385 386 // remove the block 387 function remove(el, opts) { 388 var full = (el == window); 389 var $el = $(el); 390 var data = $el.data('blockUI.history'); 391 var to = $el.data('blockUI.timeout'); 392 if (to) { 393 clearTimeout(to); 394 $el.removeData('blockUI.timeout'); 395 } 396 opts = $.extend({}, $.blockUI.defaults, opts || {}); 397 bind(0, el, opts); // unbind events 398 399 if (opts.onUnblock === null) { 400 opts.onUnblock = $el.data('blockUI.onUnblock'); 401 $el.removeData('blockUI.onUnblock'); 402 } 403 404 var els; 405 if (full) // crazy selector to handle odd field errors in ie6/7 406 els = $('body').children().filter('.blockUI').add('body > .blockUI'); 407 else 408 els = $('.blockUI', el); 409 410 if (full) 411 pageBlock = pageBlockEls = null; 412 413 if (opts.fadeOut) { 414 els.fadeOut(opts.fadeOut); 415 setTimeout(function () { reset(els, data, opts, el); }, opts.fadeOut); 416 } 417 else 418 reset(els, data, opts, el); 419 }; 420 421 // move blocking element back into the DOM where it started 422 function reset(els, data, opts, el) { 423 els.each(function (i, o) { 424 // remove via DOM calls so we don't lose event handlers 425 if (this.parentNode) 426 this.parentNode.removeChild(this); 427 }); 428 429 if (data && data.el) { 430 data.el.style.display = data.display; 431 data.el.style.position = data.position; 432 if (data.parent) 433 data.parent.appendChild(data.el); 434 $(el).removeData('blockUI.history'); 435 } 436 437 if (typeof opts.onUnblock == 'function') 438 opts.onUnblock(el, opts); 439 }; 440 441 // bind/unbind the handler 442 function bind(b, el, opts) { 443 var full = el == window, $el = $(el); 444 445 // don't bother unbinding if there is nothing to unbind 446 if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked'))) 447 return; 448 if (!full) 449 $el.data('blockUI.isBlocked', b); 450 451 // don't bind events when overlay is not in use or if bindEvents is false 452 if (!opts.bindEvents || (b && !opts.showOverlay)) 453 return; 454 455 // bind anchors and inputs for mouse and key events 456 var events = 'mousedown mouseup keydown keypress'; 457 b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler); 458 459 // former impl... 460 // var $e = $('a,:input'); 461 // b ? $e.bind(events, opts, handler) : $e.unbind(events, handler); 462 }; 463 464 // event handler to suppress keyboard/mouse events when blocking 465 function handler(e) { 466 // allow tab navigation (conditionally) 467 if (e.keyCode && e.keyCode == 9) { 468 if (pageBlock && e.data.constrainTabKey) { 469 var els = pageBlockEls; 470 var fwd = !e.shiftKey && e.target === els[els.length - 1]; 471 var back = e.shiftKey && e.target === els[0]; 472 if (fwd || back) { 473 setTimeout(function () { focus(back) }, 10); 474 return false; 475 } 476 } 477 } 478 var opts = e.data; 479 // allow events within the message content 480 if ($(e.target).parents('div.' + opts.blockMsgClass).length > 0) 481 return true; 482 483 // allow events for content that is not being blocked 484 return $(e.target).parents().children().filter('div.blockUI').length == 0; 485 }; 486 487 function focus(back) { 488 if (!pageBlockEls) 489 return; 490 var e = pageBlockEls[back === true ? pageBlockEls.length - 1 : 0]; 491 if (e) 492 e.focus(); 493 }; 494 495 function center(el, x, y) { 496 var p = el.parentNode, s = el.style; 497 var l = ((p.offsetWidth - el.offsetWidth) / 2) - sz(p, 'borderLeftWidth'); 498 var t = ((p.offsetHeight - el.offsetHeight) / 2) - sz(p, 'borderTopWidth'); 499 if (x) s.left = l > 0 ? (l + 'px') : '0'; 500 if (y) s.top = t > 0 ? (t + 'px') : '0'; 501 }; 502 503 function sz(el, p) { 504 return parseInt($.css(el, p)) || 0; 505 }; 506 507 // Verificar si se está reutilizando el estado de la página 508 $(window).bind('pageshow popstate', function(event) { 509 if (event.originalEvent.persisted || event.type === 'popstate') { 510 $.unblockUI(); // Desbloquear en ambos casos 511 } 512 });
513 514})(jQuery);
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