jquery.blockUI.js
618 lines
| 1 | /*! |
| 2 | * jQuery blockUI plugin |
| 3 | * Version 2.70.0-2014.11.23 |
| 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 | ;(function() { |
| 15 | /*jshint eqeqeq:false curly:false latedef:false */ |
| 16 | "use strict"; |
| 17 | |
| 18 | function setup($) { |
| 19 | $.fn._fadeIn = $.fn.fadeIn; |
| 20 | |
| 21 | var noOp = $.noop || function() {}; |
| 22 | |
| 23 | // this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle |
| 24 | // confusing userAgent strings on Vista) |
| 25 | var msie = /MSIE/.test(navigator.userAgent); |
| 26 | var ie6 = /MSIE 6.0/.test(navigator.userAgent) && ! /MSIE 8.0/.test(navigator.userAgent); |
| 27 | |
| 28 | // global $ methods for blocking/unblocking the entire page |
| 29 | $.blockUI = function(opts) { install(window, opts); }; |
| 30 | $.unblockUI = function(opts) { remove(window, opts); }; |
| 31 | |
| 32 | // convenience method for quick growl-like notifications (http://www.google.com/search?q=growl) |
| 33 | $.growlUI = function(title, message, timeout, onClose) { |
| 34 | var $m = $('<div class="growlUI"></div>'); |
| 35 | if (title) $m.append('<h1>'+title+'</h1>'); |
| 36 | if (message) $m.append('<h2>'+message+'</h2>'); |
| 37 | if (timeout === undefined) timeout = 3000; |
| 38 | |
| 39 | // Added by konapun: Set timeout to 30 seconds if this growl is moused over, like normal toast notifications |
| 40 | var callBlock = function(opts) { |
| 41 | opts = opts || {}; |
| 42 | |
| 43 | $.blockUI({ |
| 44 | message: $m, |
| 45 | fadeIn : typeof opts.fadeIn !== 'undefined' ? opts.fadeIn : 700, |
| 46 | fadeOut: typeof opts.fadeOut !== 'undefined' ? opts.fadeOut : 1000, |
| 47 | timeout: typeof opts.timeout !== 'undefined' ? opts.timeout : timeout, |
| 48 | centerY: false, |
| 49 | showOverlay: false, |
| 50 | onUnblock: onClose, |
| 51 | css: $.blockUI.defaults.growlCSS |
| 52 | }); |
| 53 | }; |
| 54 | |
| 55 | callBlock(); |
| 56 | var nonmousedOpacity = $m.css('opacity'); |
| 57 | $m.mouseover(function() { |
| 58 | callBlock({ |
| 59 | fadeIn: 0, |
| 60 | timeout: 30000 |
| 61 | }); |
| 62 | |
| 63 | var displayBlock = $('.blockMsg'); |
| 64 | displayBlock.stop(); // cancel fadeout if it has started |
| 65 | displayBlock.fadeTo(300, 1); // make it easier to read the message by removing transparency |
| 66 | }).mouseout(function() { |
| 67 | $('.blockMsg').fadeOut(1000); |
| 68 | }); |
| 69 | // End konapun additions |
| 70 | }; |
| 71 | |
| 72 | // plugin method for blocking element content |
| 73 | $.fn.block = function(opts) { |
| 74 | if ( this[0] === window ) { |
| 75 | $.blockUI( opts ); |
| 76 | return this; |
| 77 | } |
| 78 | var fullOpts = $.extend({}, $.blockUI.defaults, opts || {}); |
| 79 | this.each(function() { |
| 80 | var $el = $(this); |
| 81 | if (fullOpts.ignoreIfBlocked && $el.data('blockUI.isBlocked')) |
| 82 | return; |
| 83 | $el.unblock({ fadeOut: 0 }); |
| 84 | }); |
| 85 | |
| 86 | return this.each(function() { |
| 87 | if ($.css(this,'position') == 'static') { |
| 88 | this.style.position = 'relative'; |
| 89 | $(this).data('blockUI.static', true); |
| 90 | } |
| 91 | this.style.zoom = 1; // force 'hasLayout' in ie |
| 92 | install(this, opts); |
| 93 | }); |
| 94 | }; |
| 95 | |
| 96 | // plugin method for unblocking element content |
| 97 | $.fn.unblock = function(opts) { |
| 98 | if ( this[0] === window ) { |
| 99 | $.unblockUI( opts ); |
| 100 | return this; |
| 101 | } |
| 102 | return this.each(function() { |
| 103 | remove(this, opts); |
| 104 | }); |
| 105 | }; |
| 106 | |
| 107 | $.blockUI.version = 2.70; // 2nd generation blocking at no extra cost! |
| 108 | |
| 109 | // override these in your code to change the default behavior and style |
| 110 | $.blockUI.defaults = { |
| 111 | // message displayed when blocking (use null for no message) |
| 112 | message: '<h1>Please wait...</h1>', |
| 113 | |
| 114 | title: null, // title string; only used when theme == true |
| 115 | draggable: true, // only used when theme == true (requires jquery-ui.js to be loaded) |
| 116 | |
| 117 | theme: false, // set to true to use with jQuery UI themes |
| 118 | |
| 119 | // styles for the message when blocking; if you wish to disable |
| 120 | // these and use an external stylesheet then do this in your code: |
| 121 | // $.blockUI.defaults.css = {}; |
| 122 | css: { |
| 123 | padding: 0, |
| 124 | margin: 0, |
| 125 | width: '30%', |
| 126 | top: '40%', |
| 127 | left: '35%', |
| 128 | textAlign: 'center', |
| 129 | color: '#000', |
| 130 | border: '3px solid #aaa', |
| 131 | backgroundColor:'#fff', |
| 132 | cursor: 'wait' |
| 133 | }, |
| 134 | |
| 135 | // minimal style set used when themes are used |
| 136 | themedCSS: { |
| 137 | width: '30%', |
| 138 | top: '40%', |
| 139 | left: '35%' |
| 140 | }, |
| 141 | |
| 142 | // styles for the overlay |
| 143 | overlayCSS: { |
| 144 | backgroundColor: '#000', |
| 145 | opacity: 0.6, |
| 146 | cursor: 'wait' |
| 147 | }, |
| 148 | |
| 149 | // style to replace wait cursor before unblocking to correct issue |
| 150 | // of lingering wait cursor |
| 151 | cursorReset: 'default', |
| 152 | |
| 153 | // styles applied when using $.growlUI |
| 154 | growlCSS: { |
| 155 | width: '350px', |
| 156 | top: '10px', |
| 157 | left: '', |
| 158 | right: '10px', |
| 159 | border: 'none', |
| 160 | padding: '5px', |
| 161 | opacity: 0.6, |
| 162 | cursor: 'default', |
| 163 | color: '#fff', |
| 164 | backgroundColor: '#000', |
| 165 | '-webkit-border-radius':'10px', |
| 166 | '-moz-border-radius': '10px', |
| 167 | 'border-radius': '10px' |
| 168 | }, |
| 169 | |
| 170 | // IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w |
| 171 | // (hat tip to Jorge H. N. de Vasconcelos) |
| 172 | /*jshint scripturl:true */ |
| 173 | iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank', |
| 174 | |
| 175 | // force usage of iframe in non-IE browsers (handy for blocking applets) |
| 176 | forceIframe: false, |
| 177 | |
| 178 | // z-index for the blocking overlay |
| 179 | baseZ: 1000, |
| 180 | |
| 181 | // set these to true to have the message automatically centered |
| 182 | centerX: true, // <-- only effects element blocking (page block controlled via css above) |
| 183 | centerY: true, |
| 184 | |
| 185 | // allow body element to be stetched in ie6; this makes blocking look better |
| 186 | // on "short" pages. disable if you wish to prevent changes to the body height |
| 187 | allowBodyStretch: true, |
| 188 | |
| 189 | // enable if you want key and mouse events to be disabled for content that is blocked |
| 190 | bindEvents: true, |
| 191 | |
| 192 | // be default blockUI will supress tab navigation from leaving blocking content |
| 193 | // (if bindEvents is true) |
| 194 | constrainTabKey: true, |
| 195 | |
| 196 | // fadeIn time in millis; set to 0 to disable fadeIn on block |
| 197 | fadeIn: 200, |
| 198 | |
| 199 | // fadeOut time in millis; set to 0 to disable fadeOut on unblock |
| 200 | fadeOut: 400, |
| 201 | |
| 202 | // time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock |
| 203 | timeout: 0, |
| 204 | |
| 205 | // disable if you don't want to show the overlay |
| 206 | showOverlay: true, |
| 207 | |
| 208 | // if true, focus will be placed in the first available input field when |
| 209 | // page blocking |
| 210 | focusInput: true, |
| 211 | |
| 212 | // elements that can receive focus |
| 213 | focusableElements: ':input:enabled:visible', |
| 214 | |
| 215 | // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity) |
| 216 | // no longer needed in 2012 |
| 217 | // applyPlatformOpacityRules: true, |
| 218 | |
| 219 | // callback method invoked when fadeIn has completed and blocking message is visible |
| 220 | onBlock: null, |
| 221 | |
| 222 | // callback method invoked when unblocking has completed; the callback is |
| 223 | // passed the element that has been unblocked (which is the window object for page |
| 224 | // blocks) and the options that were passed to the unblock call: |
| 225 | // onUnblock(element, options) |
| 226 | onUnblock: null, |
| 227 | |
| 228 | // callback method invoked when the overlay area is clicked. |
| 229 | // setting this will turn the cursor to a pointer, otherwise cursor defined in overlayCss will be used. |
| 230 | onOverlayClick: null, |
| 231 | |
| 232 | // don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493 |
| 233 | quirksmodeOffsetHack: 4, |
| 234 | |
| 235 | // class name of the message block |
| 236 | blockMsgClass: 'blockMsg', |
| 237 | |
| 238 | // if it is already blocked, then ignore it (don't unblock and reblock) |
| 239 | ignoreIfBlocked: false |
| 240 | }; |
| 241 | |
| 242 | // private data and functions follow... |
| 243 | |
| 244 | var pageBlock = null; |
| 245 | var pageBlockEls = []; |
| 246 | |
| 247 | function install(el, opts) { |
| 248 | var css, themedCSS; |
| 249 | var full = (el == window); |
| 250 | var msg = (opts && opts.message !== undefined ? opts.message : undefined); |
| 251 | opts = $.extend({}, $.blockUI.defaults, opts || {}); |
| 252 | |
| 253 | if (opts.ignoreIfBlocked && $(el).data('blockUI.isBlocked')) |
| 254 | return; |
| 255 | |
| 256 | opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {}); |
| 257 | css = $.extend({}, $.blockUI.defaults.css, opts.css || {}); |
| 258 | if (opts.onOverlayClick) |
| 259 | opts.overlayCSS.cursor = 'pointer'; |
| 260 | |
| 261 | themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {}); |
| 262 | msg = msg === undefined ? opts.message : msg; |
| 263 | |
| 264 | // remove the current block (if there is one) |
| 265 | if (full && pageBlock) |
| 266 | remove(window, {fadeOut:0}); |
| 267 | |
| 268 | // if an existing element is being used as the blocking content then we capture |
| 269 | // its current place in the DOM (and current display style) so we can restore |
| 270 | // it when we unblock |
| 271 | if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) { |
| 272 | var node = msg.jquery ? msg[0] : msg; |
| 273 | var data = {}; |
| 274 | $(el).data('blockUI.history', data); |
| 275 | data.el = node; |
| 276 | data.parent = node.parentNode; |
| 277 | data.display = node.style.display; |
| 278 | data.position = node.style.position; |
| 279 | if (data.parent) |
| 280 | data.parent.removeChild(node); |
| 281 | } |
| 282 | |
| 283 | $(el).data('blockUI.onUnblock', opts.onUnblock); |
| 284 | var z = opts.baseZ; |
| 285 | |
| 286 | // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform; |
| 287 | // layer1 is the iframe layer which is used to supress bleed through of underlying content |
| 288 | // layer2 is the overlay layer which has opacity and a wait cursor (by default) |
| 289 | // layer3 is the message content that is displayed while blocking |
| 290 | var lyr1, lyr2, lyr3, s; |
| 291 | if (msie || opts.forceIframe) |
| 292 | 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>'); |
| 293 | else |
| 294 | lyr1 = $('<div class="blockUI" style="display:none"></div>'); |
| 295 | |
| 296 | if (opts.theme) |
| 297 | lyr2 = $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>'); |
| 298 | else |
| 299 | 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>'); |
| 300 | |
| 301 | if (opts.theme && full) { |
| 302 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:fixed">'; |
| 303 | if ( opts.title ) { |
| 304 | s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>'; |
| 305 | } |
| 306 | s += '<div class="ui-widget-content ui-dialog-content"></div>'; |
| 307 | s += '</div>'; |
| 308 | } |
| 309 | else if (opts.theme) { |
| 310 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:absolute">'; |
| 311 | if ( opts.title ) { |
| 312 | s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>'; |
| 313 | } |
| 314 | s += '<div class="ui-widget-content ui-dialog-content"></div>'; |
| 315 | s += '</div>'; |
| 316 | } |
| 317 | else if (full) { |
| 318 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>'; |
| 319 | } |
| 320 | else { |
| 321 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>'; |
| 322 | } |
| 323 | lyr3 = $(s); |
| 324 | |
| 325 | // if we have a message, style it |
| 326 | if (msg) { |
| 327 | if (opts.theme) { |
| 328 | lyr3.css(themedCSS); |
| 329 | lyr3.addClass('ui-widget-content'); |
| 330 | } |
| 331 | else |
| 332 | lyr3.css(css); |
| 333 | } |
| 334 | |
| 335 | // style the overlay |
| 336 | if (!opts.theme /*&& (!opts.applyPlatformOpacityRules)*/) |
| 337 | lyr2.css(opts.overlayCSS); |
| 338 | lyr2.css('position', full ? 'fixed' : 'absolute'); |
| 339 | |
| 340 | // make iframe layer transparent in IE |
| 341 | if (msie || opts.forceIframe) |
| 342 | lyr1.css('opacity',0.0); |
| 343 | |
| 344 | //$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el); |
| 345 | var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el); |
| 346 | $.each(layers, function() { |
| 347 | this.appendTo($par); |
| 348 | }); |
| 349 | |
| 350 | if (opts.theme && opts.draggable && $.fn.draggable) { |
| 351 | lyr3.draggable({ |
| 352 | handle: '.ui-dialog-titlebar', |
| 353 | cancel: 'li' |
| 354 | }); |
| 355 | } |
| 356 | |
| 357 | // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling) |
| 358 | var expr = typeof document.createElement('div').style.setExpression === "function" && (!$.support.boxModel || $('object,embed', full ? null : el).length > 0); |
| 359 | if (ie6 || expr) { |
| 360 | // give body 100% height |
| 361 | if (full && opts.allowBodyStretch && $.support.boxModel) |
| 362 | $('html,body').css('height','100%'); |
| 363 | |
| 364 | // fix ie6 issue when blocked element has a border width |
| 365 | if ((ie6 || !$.support.boxModel) && !full) { |
| 366 | var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth'); |
| 367 | var fixT = t ? '(0 - '+t+')' : 0; |
| 368 | var fixL = l ? '(0 - '+l+')' : 0; |
| 369 | } |
| 370 | |
| 371 | // simulate fixed position |
| 372 | $.each(layers, function(i,o) { |
| 373 | var s = o[0].style; |
| 374 | s.position = 'absolute'; |
| 375 | if (i < 2) { |
| 376 | if (full) |
| 377 | s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.support.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"'); |
| 378 | else |
| 379 | s.setExpression('height','this.parentNode.offsetHeight + "px"'); |
| 380 | if (full) |
| 381 | s.setExpression('width','jQuery.support.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"'); |
| 382 | else |
| 383 | s.setExpression('width','this.parentNode.offsetWidth + "px"'); |
| 384 | if (fixL) s.setExpression('left', fixL); |
| 385 | if (fixT) s.setExpression('top', fixT); |
| 386 | } |
| 387 | else if (opts.centerY) { |
| 388 | 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"'); |
| 389 | s.marginTop = 0; |
| 390 | } |
| 391 | else if (!opts.centerY && full) { |
| 392 | var top = (opts.css && opts.css.top) ? parseInt(opts.css.top, 10) : 0; |
| 393 | var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"'; |
| 394 | s.setExpression('top',expression); |
| 395 | } |
| 396 | }); |
| 397 | } |
| 398 | |
| 399 | // show the message |
| 400 | if (msg) { |
| 401 | if (opts.theme) |
| 402 | lyr3.find('.ui-widget-content').append(msg); |
| 403 | else |
| 404 | lyr3.append(msg); |
| 405 | if (msg.jquery || msg.nodeType) |
| 406 | $(msg).show(); |
| 407 | } |
| 408 | |
| 409 | if ((msie || opts.forceIframe) && opts.showOverlay) |
| 410 | lyr1.show(); // opacity is zero |
| 411 | if (opts.fadeIn) { |
| 412 | var cb = opts.onBlock ? opts.onBlock : noOp; |
| 413 | var cb1 = (opts.showOverlay && !msg) ? cb : noOp; |
| 414 | var cb2 = msg ? cb : noOp; |
| 415 | if (opts.showOverlay) |
| 416 | lyr2._fadeIn(opts.fadeIn, cb1); |
| 417 | if (msg) |
| 418 | lyr3._fadeIn(opts.fadeIn, cb2); |
| 419 | } |
| 420 | else { |
| 421 | if (opts.showOverlay) |
| 422 | lyr2.show(); |
| 423 | if (msg) |
| 424 | lyr3.show(); |
| 425 | if (opts.onBlock) |
| 426 | opts.onBlock.bind(lyr3)(); |
| 427 | } |
| 428 | |
| 429 | // bind key and mouse events |
| 430 | bind(1, el, opts); |
| 431 | |
| 432 | if (full) { |
| 433 | pageBlock = lyr3[0]; |
| 434 | pageBlockEls = $(opts.focusableElements,pageBlock); |
| 435 | if (opts.focusInput) |
| 436 | setTimeout(focus, 20); |
| 437 | } |
| 438 | else |
| 439 | center(lyr3[0], opts.centerX, opts.centerY); |
| 440 | |
| 441 | if (opts.timeout) { |
| 442 | // auto-unblock |
| 443 | var to = setTimeout(function() { |
| 444 | if (full) |
| 445 | $.unblockUI(opts); |
| 446 | else |
| 447 | $(el).unblock(opts); |
| 448 | }, opts.timeout); |
| 449 | $(el).data('blockUI.timeout', to); |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | // remove the block |
| 454 | function remove(el, opts) { |
| 455 | var count; |
| 456 | var full = (el == window); |
| 457 | var $el = $(el); |
| 458 | var data = $el.data('blockUI.history'); |
| 459 | var to = $el.data('blockUI.timeout'); |
| 460 | if (to) { |
| 461 | clearTimeout(to); |
| 462 | $el.removeData('blockUI.timeout'); |
| 463 | } |
| 464 | opts = $.extend({}, $.blockUI.defaults, opts || {}); |
| 465 | bind(0, el, opts); // unbind events |
| 466 | |
| 467 | if (opts.onUnblock === null) { |
| 468 | opts.onUnblock = $el.data('blockUI.onUnblock'); |
| 469 | $el.removeData('blockUI.onUnblock'); |
| 470 | } |
| 471 | |
| 472 | var els; |
| 473 | if (full) // crazy selector to handle odd field errors in ie6/7 |
| 474 | els = $(document.body).children().filter('.blockUI').add('body > .blockUI'); |
| 475 | else |
| 476 | els = $el.find('>.blockUI'); |
| 477 | |
| 478 | // fix cursor issue |
| 479 | if ( opts.cursorReset ) { |
| 480 | if ( els.length > 1 ) |
| 481 | els[1].style.cursor = opts.cursorReset; |
| 482 | if ( els.length > 2 ) |
| 483 | els[2].style.cursor = opts.cursorReset; |
| 484 | } |
| 485 | |
| 486 | if (full) |
| 487 | pageBlock = pageBlockEls = null; |
| 488 | |
| 489 | if (opts.fadeOut) { |
| 490 | count = els.length; |
| 491 | els.stop().fadeOut(opts.fadeOut, function() { |
| 492 | if ( --count === 0) |
| 493 | reset(els,data,opts,el); |
| 494 | }); |
| 495 | } |
| 496 | else |
| 497 | reset(els, data, opts, el); |
| 498 | } |
| 499 | |
| 500 | // move blocking element back into the DOM where it started |
| 501 | function reset(els,data,opts,el) { |
| 502 | var $el = $(el); |
| 503 | if ( $el.data('blockUI.isBlocked') ) |
| 504 | return; |
| 505 | |
| 506 | els.each(function(i,o) { |
| 507 | // remove via DOM calls so we don't lose event handlers |
| 508 | if (this.parentNode) |
| 509 | this.parentNode.removeChild(this); |
| 510 | }); |
| 511 | |
| 512 | if (data && data.el) { |
| 513 | data.el.style.display = data.display; |
| 514 | data.el.style.position = data.position; |
| 515 | data.el.style.cursor = 'default'; // #59 |
| 516 | if (data.parent) |
| 517 | data.parent.appendChild(data.el); |
| 518 | $el.removeData('blockUI.history'); |
| 519 | } |
| 520 | |
| 521 | if ($el.data('blockUI.static')) { |
| 522 | $el.css('position', 'static'); // #22 |
| 523 | } |
| 524 | |
| 525 | if (typeof opts.onUnblock == 'function') |
| 526 | opts.onUnblock(el,opts); |
| 527 | |
| 528 | // fix issue in Safari 6 where block artifacts remain until reflow |
| 529 | var body = $(document.body), w = body.width(), cssW = body[0].style.width; |
| 530 | body.width(w-1).width(w); |
| 531 | body[0].style.width = cssW; |
| 532 | } |
| 533 | |
| 534 | // bind/unbind the handler |
| 535 | function bind(b, el, opts) { |
| 536 | var full = el == window, $el = $(el); |
| 537 | |
| 538 | // don't bother unbinding if there is nothing to unbind |
| 539 | if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked'))) |
| 540 | return; |
| 541 | |
| 542 | $el.data('blockUI.isBlocked', b); |
| 543 | |
| 544 | // don't bind events when overlay is not in use or if bindEvents is false |
| 545 | if (!full || !opts.bindEvents || (b && !opts.showOverlay)) |
| 546 | return; |
| 547 | |
| 548 | // bind anchors and inputs for mouse and key events |
| 549 | var events = 'mousedown mouseup keydown keypress keyup touchstart touchend touchmove'; |
| 550 | if (b) |
| 551 | $(document).bind(events, opts, handler); |
| 552 | else |
| 553 | $(document).unbind(events, handler); |
| 554 | |
| 555 | // former impl... |
| 556 | // var $e = $('a,:input'); |
| 557 | // b ? $e.bind(events, opts, handler) : $e.unbind(events, handler); |
| 558 | } |
| 559 | |
| 560 | // event handler to suppress keyboard/mouse events when blocking |
| 561 | function handler(e) { |
| 562 | // allow tab navigation (conditionally) |
| 563 | if (e.type === 'keydown' && e.keyCode && e.keyCode == 9) { |
| 564 | if (pageBlock && e.data.constrainTabKey) { |
| 565 | var els = pageBlockEls; |
| 566 | var fwd = !e.shiftKey && e.target === els[els.length-1]; |
| 567 | var back = e.shiftKey && e.target === els[0]; |
| 568 | if (fwd || back) { |
| 569 | setTimeout(function(){focus(back);},10); |
| 570 | return false; |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | var opts = e.data; |
| 575 | var target = $(e.target); |
| 576 | if (target.hasClass('blockOverlay') && opts.onOverlayClick) |
| 577 | opts.onOverlayClick(e); |
| 578 | |
| 579 | // allow events within the message content |
| 580 | if (target.parents('div.' + opts.blockMsgClass).length > 0) |
| 581 | return true; |
| 582 | |
| 583 | // allow events for content that is not being blocked |
| 584 | return target.parents().children().filter('div.blockUI').length === 0; |
| 585 | } |
| 586 | |
| 587 | function focus(back) { |
| 588 | if (!pageBlockEls) |
| 589 | return; |
| 590 | var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0]; |
| 591 | if (e) |
| 592 | e.focus(); |
| 593 | } |
| 594 | |
| 595 | function center(el, x, y) { |
| 596 | var p = el.parentNode, s = el.style; |
| 597 | var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth'); |
| 598 | var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth'); |
| 599 | if (x) s.left = l > 0 ? (l+'px') : '0'; |
| 600 | if (y) s.top = t > 0 ? (t+'px') : '0'; |
| 601 | } |
| 602 | |
| 603 | function sz(el, p) { |
| 604 | return parseInt($.css(el,p),10)||0; |
| 605 | } |
| 606 | |
| 607 | } |
| 608 | |
| 609 | |
| 610 | /*global define:true */ |
| 611 | if (typeof define === 'function' && define.amd && define.amd.jQuery) { |
| 612 | define(['jquery'], setup); |
| 613 | } else { |
| 614 | setup(jQuery); |
| 615 | } |
| 616 | |
| 617 | })(); |
| 618 |