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September 18, 2013 13:36
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jquery.blockUI
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| /*! | |
| * jQuery blockUI plugin | |
| * Version 2.64.0-2013.07.18 | |
| * @requires jQuery v1.7 or later | |
| * | |
| * Examples at: http://malsup.com/jquery/block/ | |
| * Copyright (c) 2007-2013 M. Alsup | |
| * Dual licensed under the MIT and GPL licenses: | |
| * http://www.opensource.org/licenses/mit-license.php | |
| * http://www.gnu.org/licenses/gpl.html | |
| * | |
| * Thanks to Amir-Hossein Sobhi for some excellent contributions! | |
| */ | |
| ;(function() { | |
| /*jshint eqeqeq:false curly:false latedef:false */ | |
| "use strict"; | |
| function setup($) { | |
| $.fn._fadeIn = $.fn.fadeIn; | |
| var noOp = $.noop || function() {}; | |
| // this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle | |
| // confusing userAgent strings on Vista) | |
| var msie = /MSIE/.test(navigator.userAgent); | |
| var ie6 = /MSIE 6.0/.test(navigator.userAgent) && ! /MSIE 8.0/.test(navigator.userAgent); | |
| var mode = document.documentMode || 0; | |
| var setExpr = $.isFunction( document.createElement('div').style.setExpression ); | |
| // global $ methods for blocking/unblocking the entire page | |
| $.blockUI = function(opts) { install(window, opts); }; | |
| $.unblockUI = function(opts) { remove(window, opts); }; | |
| // convenience method for quick growl-like notifications (http://www.google.com/search?q=growl) | |
| $.growlUI = function(title, message, timeout, onClose) { | |
| var $m = $('<div class="growlUI"></div>'); | |
| if (title) $m.append('<h1>'+title+'</h1>'); | |
| if (message) $m.append('<h2>'+message+'</h2>'); | |
| if (timeout === undefined) timeout = 3000; | |
| // Added by konapun: Set timeout to 30 seconds if this growl is moused over, like normal toast notifications | |
| var callBlock = function(opts) { | |
| opts = opts || {}; | |
| $.blockUI({ | |
| message: $m, | |
| fadeIn : typeof opts.fadeIn !== 'undefined' ? opts.fadeIn : 700, | |
| fadeOut: typeof opts.fadeOut !== 'undefined' ? opts.fadeOut : 1000, | |
| timeout: typeof opts.timeout !== 'undefined' ? opts.timeout : timeout, | |
| centerY: false, | |
| showOverlay: false, | |
| onUnblock: onClose, | |
| css: $.blockUI.defaults.growlCSS | |
| }); | |
| }; | |
| callBlock(); | |
| var nonmousedOpacity = $m.css('opacity'); | |
| $m.mouseover(function() { | |
| callBlock({ | |
| fadeIn: 0, | |
| timeout: 30000 | |
| }); | |
| var displayBlock = $('.blockMsg'); | |
| displayBlock.stop(); // cancel fadeout if it has started | |
| displayBlock.fadeTo(300, 1); // make it easier to read the message by removing transparency | |
| }).mouseout(function() { | |
| $('.blockMsg').fadeOut(1000); | |
| }); | |
| // End konapun additions | |
| }; | |
| // plugin method for blocking element content | |
| $.fn.block = function(opts) { | |
| if ( this[0] === window ) { | |
| $.blockUI( opts ); | |
| return this; | |
| } | |
| var fullOpts = $.extend({}, $.blockUI.defaults, opts || {}); | |
| this.each(function() { | |
| var $el = $(this); | |
| if (fullOpts.ignoreIfBlocked && $el.data('blockUI.isBlocked')) | |
| return; | |
| $el.unblock({ fadeOut: 0 }); | |
| }); | |
| return this.each(function() { | |
| if ($.css(this,'position') == 'static') { | |
| this.style.position = 'relative'; | |
| $(this).data('blockUI.static', true); | |
| } | |
| this.style.zoom = 1; // force 'hasLayout' in ie | |
| install(this, opts); | |
| }); | |
| }; | |
| // plugin method for unblocking element content | |
| $.fn.unblock = function(opts) { | |
| if ( this[0] === window ) { | |
| $.unblockUI( opts ); | |
| return this; | |
| } | |
| return this.each(function() { | |
| remove(this, opts); | |
| }); | |
| }; | |
| $.blockUI.version = 2.60; // 2nd generation blocking at no extra cost! | |
| // override these in your code to change the default behavior and style | |
| $.blockUI.defaults = { | |
| // message displayed when blocking (use null for no message) | |
| message: '<h1>Please wait...</h1>', | |
| title: null, // title string; only used when theme == true | |
| draggable: true, // only used when theme == true (requires jquery-ui.js to be loaded) | |
| theme: false, // set to true to use with jQuery UI themes | |
| // styles for the message when blocking; if you wish to disable | |
| // these and use an external stylesheet then do this in your code: | |
| // $.blockUI.defaults.css = {}; | |
| css: { | |
| padding: 0, | |
| margin: 0, | |
| width: '30%', | |
| top: '40%', | |
| left: '35%', | |
| textAlign: 'center', | |
| color: '#000', | |
| border: '3px solid #aaa', | |
| backgroundColor:'#fff', | |
| cursor: 'wait' | |
| }, | |
| // minimal style set used when themes are used | |
| themedCSS: { | |
| width: '30%', | |
| top: '40%', | |
| left: '35%' | |
| }, | |
| // styles for the overlay | |
| overlayCSS: { | |
| backgroundColor: '#000', | |
| opacity: 0.6, | |
| cursor: 'wait' | |
| }, | |
| // style to replace wait cursor before unblocking to correct issue | |
| // of lingering wait cursor | |
| cursorReset: 'default', | |
| // styles applied when using $.growlUI | |
| growlCSS: { | |
| width: '350px', | |
| top: '10px', | |
| left: '', | |
| right: '10px', | |
| border: 'none', | |
| padding: '5px', | |
| opacity: 0.6, | |
| cursor: 'default', | |
| color: '#fff', | |
| backgroundColor: '#000', | |
| '-webkit-border-radius':'10px', | |
| '-moz-border-radius': '10px', | |
| 'border-radius': '10px' | |
| }, | |
| // IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w | |
| // (hat tip to Jorge H. N. de Vasconcelos) | |
| /*jshint scripturl:true */ | |
| iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank', | |
| // force usage of iframe in non-IE browsers (handy for blocking applets) | |
| forceIframe: false, | |
| // z-index for the blocking overlay | |
| baseZ: 1000, | |
| // set these to true to have the message automatically centered | |
| centerX: true, // <-- only effects element blocking (page block controlled via css above) | |
| centerY: true, | |
| // allow body element to be stetched in ie6; this makes blocking look better | |
| // on "short" pages. disable if you wish to prevent changes to the body height | |
| allowBodyStretch: true, | |
| // enable if you want key and mouse events to be disabled for content that is blocked | |
| bindEvents: true, | |
| // be default blockUI will supress tab navigation from leaving blocking content | |
| // (if bindEvents is true) | |
| constrainTabKey: true, | |
| // fadeIn time in millis; set to 0 to disable fadeIn on block | |
| fadeIn: 200, | |
| // fadeOut time in millis; set to 0 to disable fadeOut on unblock | |
| fadeOut: 400, | |
| // time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock | |
| timeout: 0, | |
| // disable if you don't want to show the overlay | |
| showOverlay: true, | |
| // if true, focus will be placed in the first available input field when | |
| // page blocking | |
| focusInput: true, | |
| // elements that can receive focus | |
| focusableElements: ':input:enabled:visible', | |
| // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity) | |
| // no longer needed in 2012 | |
| // applyPlatformOpacityRules: true, | |
| // callback method invoked when fadeIn has completed and blocking message is visible | |
| onBlock: null, | |
| // callback method invoked when unblocking has completed; the callback is | |
| // passed the element that has been unblocked (which is the window object for page | |
| // blocks) and the options that were passed to the unblock call: | |
| // onUnblock(element, options) | |
| onUnblock: null, | |
| // callback method invoked when the overlay area is clicked. | |
| // setting this will turn the cursor to a pointer, otherwise cursor defined in overlayCss will be used. | |
| onOverlayClick: null, | |
| // don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493 | |
| quirksmodeOffsetHack: 4, | |
| // class name of the message block | |
| blockMsgClass: 'blockMsg', | |
| // if it is already blocked, then ignore it (don't unblock and reblock) | |
| ignoreIfBlocked: false | |
| }; | |
| // private data and functions follow... | |
| var pageBlock = null; | |
| var pageBlockEls = []; | |
| function install(el, opts) { | |
| var css, themedCSS; | |
| var full = (el == window); | |
| var msg = (opts && opts.message !== undefined ? opts.message : undefined); | |
| opts = $.extend({}, $.blockUI.defaults, opts || {}); | |
| if (opts.ignoreIfBlocked && $(el).data('blockUI.isBlocked')) | |
| return; | |
| opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {}); | |
| css = $.extend({}, $.blockUI.defaults.css, opts.css || {}); | |
| if (opts.onOverlayClick) | |
| opts.overlayCSS.cursor = 'pointer'; | |
| themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {}); | |
| msg = msg === undefined ? opts.message : msg; | |
| // remove the current block (if there is one) | |
| if (full && pageBlock) | |
| remove(window, {fadeOut:0}); | |
| // if an existing element is being used as the blocking content then we capture | |
| // its current place in the DOM (and current display style) so we can restore | |
| // it when we unblock | |
| if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) { | |
| var node = msg.jquery ? msg[0] : msg; | |
| var data = {}; | |
| $(el).data('blockUI.history', data); | |
| data.el = node; | |
| data.parent = node.parentNode; | |
| data.display = node.style.display; | |
| data.position = node.style.position; | |
| if (data.parent) | |
| data.parent.removeChild(node); | |
| } | |
| $(el).data('blockUI.onUnblock', opts.onUnblock); | |
| var z = opts.baseZ; | |
| // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform; | |
| // layer1 is the iframe layer which is used to supress bleed through of underlying content | |
| // layer2 is the overlay layer which has opacity and a wait cursor (by default) | |
| // layer3 is the message content that is displayed while blocking | |
| var lyr1, lyr2, lyr3, s; | |
| if (msie || opts.forceIframe) | |
| 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>'); | |
| else | |
| lyr1 = $('<div class="blockUI" style="display:none"></div>'); | |
| if (opts.theme) | |
| lyr2 = $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>'); | |
| else | |
| 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>'); | |
| if (opts.theme && full) { | |
| s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:fixed">'; | |
| if ( opts.title ) { | |
| s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>'; | |
| } | |
| s += '<div class="ui-widget-content ui-dialog-content"></div>'; | |
| s += '</div>'; | |
| } | |
| else if (opts.theme) { | |
| s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:absolute">'; | |
| if ( opts.title ) { | |
| s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>'; | |
| } | |
| s += '<div class="ui-widget-content ui-dialog-content"></div>'; | |
| s += '</div>'; | |
| } | |
| else if (full) { | |
| s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>'; | |
| } | |
| else { | |
| s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>'; | |
| } | |
| lyr3 = $(s); | |
| // if we have a message, style it | |
| if (msg) { | |
| if (opts.theme) { | |
| lyr3.css(themedCSS); | |
| lyr3.addClass('ui-widget-content'); | |
| } | |
| else | |
| lyr3.css(css); | |
| } | |
| // style the overlay | |
| if (!opts.theme /*&& (!opts.applyPlatformOpacityRules)*/) | |
| lyr2.css(opts.overlayCSS); | |
| lyr2.css('position', full ? 'fixed' : 'absolute'); | |
| // make iframe layer transparent in IE | |
| if (msie || opts.forceIframe) | |
| lyr1.css('opacity',0.0); | |
| //$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el); | |
| var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el); | |
| $.each(layers, function() { | |
| this.appendTo($par); | |
| }); | |
| if (opts.theme && opts.draggable && $.fn.draggable) { | |
| lyr3.draggable({ | |
| handle: '.ui-dialog-titlebar', | |
| cancel: 'li' | |
| }); | |
| } | |
| // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling) | |
| var expr = setExpr && (!$.support.boxModel || $('object,embed', full ? null : el).length > 0); | |
| if (ie6 || expr) { | |
| // give body 100% height | |
| if (full && opts.allowBodyStretch && $.support.boxModel) | |
| $('html,body').css('height','100%'); | |
| // fix ie6 issue when blocked element has a border width | |
| if ((ie6 || !$.support.boxModel) && !full) { | |
| var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth'); | |
| var fixT = t ? '(0 - '+t+')' : 0; | |
| var fixL = l ? '(0 - '+l+')' : 0; | |
| } | |
| // simulate fixed position | |
| $.each(layers, function(i,o) { | |
| var s = o[0].style; | |
| s.position = 'absolute'; | |
| if (i < 2) { | |
| if (full) | |
| s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.support.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"'); | |
| else | |
| s.setExpression('height','this.parentNode.offsetHeight + "px"'); | |
| if (full) | |
| s.setExpression('width','jQuery.support.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"'); | |
| else | |
| s.setExpression('width','this.parentNode.offsetWidth + "px"'); | |
| if (fixL) s.setExpression('left', fixL); | |
| if (fixT) s.setExpression('top', fixT); | |
| } | |
| else if (opts.centerY) { | |
| 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"'); | |
| s.marginTop = 0; | |
| } | |
| else if (!opts.centerY && full) { | |
| var top = (opts.css && opts.css.top) ? parseInt(opts.css.top, 10) : 0; | |
| var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"'; | |
| s.setExpression('top',expression); | |
| } | |
| }); | |
| } | |
| // show the message | |
| if (msg) { | |
| if (opts.theme) | |
| lyr3.find('.ui-widget-content').append(msg); | |
| else | |
| lyr3.append(msg); | |
| if (msg.jquery || msg.nodeType) | |
| $(msg).show(); | |
| } | |
| if ((msie || opts.forceIframe) && opts.showOverlay) | |
| lyr1.show(); // opacity is zero | |
| if (opts.fadeIn) { | |
| var cb = opts.onBlock ? opts.onBlock : noOp; | |
| var cb1 = (opts.showOverlay && !msg) ? cb : noOp; | |
| var cb2 = msg ? cb : noOp; | |
| if (opts.showOverlay) | |
| lyr2._fadeIn(opts.fadeIn, cb1); | |
| if (msg) | |
| lyr3._fadeIn(opts.fadeIn, cb2); | |
| } | |
| else { | |
| if (opts.showOverlay) | |
| lyr2.show(); | |
| if (msg) | |
| lyr3.show(); | |
| if (opts.onBlock) | |
| opts.onBlock(); | |
| } | |
| // bind key and mouse events | |
| bind(1, el, opts); | |
| if (full) { | |
| pageBlock = lyr3[0]; | |
| pageBlockEls = $(opts.focusableElements,pageBlock); | |
| if (opts.focusInput) | |
| setTimeout(focus, 20); | |
| } | |
| else | |
| center(lyr3[0], opts.centerX, opts.centerY); | |
| if (opts.timeout) { | |
| // auto-unblock | |
| var to = setTimeout(function() { | |
| if (full) | |
| $.unblockUI(opts); | |
| else | |
| $(el).unblock(opts); | |
| }, opts.timeout); | |
| $(el).data('blockUI.timeout', to); | |
| } | |
| } | |
| // remove the block | |
| function remove(el, opts) { | |
| var count; | |
| var full = (el == window); | |
| var $el = $(el); | |
| var data = $el.data('blockUI.history'); | |
| var to = $el.data('blockUI.timeout'); | |
| if (to) { | |
| clearTimeout(to); | |
| $el.removeData('blockUI.timeout'); | |
| } | |
| opts = $.extend({}, $.blockUI.defaults, opts || {}); | |
| bind(0, el, opts); // unbind events | |
| if (opts.onUnblock === null) { | |
| opts.onUnblock = $el.data('blockUI.onUnblock'); | |
| $el.removeData('blockUI.onUnblock'); | |
| } | |
| var els; | |
| if (full) // crazy selector to handle odd field errors in ie6/7 | |
| els = $('body').children().filter('.blockUI').add('body > .blockUI'); | |
| else | |
| els = $el.find('>.blockUI'); | |
| // fix cursor issue | |
| if ( opts.cursorReset ) { | |
| if ( els.length > 1 ) | |
| els[1].style.cursor = opts.cursorReset; | |
| if ( els.length > 2 ) | |
| els[2].style.cursor = opts.cursorReset; | |
| } | |
| if (full) | |
| pageBlock = pageBlockEls = null; | |
| if (opts.fadeOut) { | |
| count = els.length; | |
| els.stop().fadeOut(opts.fadeOut, function() { | |
| if ( --count === 0) | |
| reset(els,data,opts,el); | |
| }); | |
| } | |
| else | |
| reset(els, data, opts, el); | |
| } | |
| // move blocking element back into the DOM where it started | |
| function reset(els,data,opts,el) { | |
| var $el = $(el); | |
| if ( $el.data('blockUI.isBlocked') ) | |
| return; | |
| els.each(function(i,o) { | |
| // remove via DOM calls so we don't lose event handlers | |
| if (this.parentNode) | |
| this.parentNode.removeChild(this); | |
| }); | |
| if (data && data.el) { | |
| data.el.style.display = data.display; | |
| data.el.style.position = data.position; | |
| if (data.parent) | |
| data.parent.appendChild(data.el); | |
| $el.removeData('blockUI.history'); | |
| } | |
| if ($el.data('blockUI.static')) { | |
| $el.css('position', 'static'); // #22 | |
| } | |
| if (typeof opts.onUnblock == 'function') | |
| opts.onUnblock(el,opts); | |
| // fix issue in Safari 6 where block artifacts remain until reflow | |
| var body = $(document.body), w = body.width(), cssW = body[0].style.width; | |
| body.width(w-1).width(w); | |
| body[0].style.width = cssW; | |
| } | |
| // bind/unbind the handler | |
| function bind(b, el, opts) { | |
| var full = el == window, $el = $(el); | |
| // don't bother unbinding if there is nothing to unbind | |
| if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked'))) | |
| return; | |
| $el.data('blockUI.isBlocked', b); | |
| // don't bind events when overlay is not in use or if bindEvents is false | |
| if (!full || !opts.bindEvents || (b && !opts.showOverlay)) | |
| return; | |
| // bind anchors and inputs for mouse and key events | |
| var events = 'mousedown mouseup keydown keypress keyup touchstart touchend touchmove'; | |
| if (b) | |
| $(document).bind(events, opts, handler); | |
| else | |
| $(document).unbind(events, handler); | |
| // former impl... | |
| // var $e = $('a,:input'); | |
| // b ? $e.bind(events, opts, handler) : $e.unbind(events, handler); | |
| } | |
| // event handler to suppress keyboard/mouse events when blocking | |
| function handler(e) { | |
| // allow tab navigation (conditionally) | |
| if (e.type === 'keydown' && e.keyCode && e.keyCode == 9) { | |
| if (pageBlock && e.data.constrainTabKey) { | |
| var els = pageBlockEls; | |
| var fwd = !e.shiftKey && e.target === els[els.length-1]; | |
| var back = e.shiftKey && e.target === els[0]; | |
| if (fwd || back) { | |
| setTimeout(function(){focus(back);},10); | |
| return false; | |
| } | |
| } | |
| } | |
| var opts = e.data; | |
| var target = $(e.target); | |
| if (target.hasClass('blockOverlay') && opts.onOverlayClick) | |
| opts.onOverlayClick(); | |
| // allow events within the message content | |
| if (target.parents('div.' + opts.blockMsgClass).length > 0) | |
| return true; | |
| // allow events for content that is not being blocked | |
| return target.parents().children().filter('div.blockUI').length === 0; | |
| } | |
| function focus(back) { | |
| if (!pageBlockEls) | |
| return; | |
| var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0]; | |
| if (e) | |
| e.focus(); | |
| } | |
| function center(el, x, y) { | |
| var p = el.parentNode, s = el.style; | |
| var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth'); | |
| var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth'); | |
| if (x) s.left = l > 0 ? (l+'px') : '0'; | |
| if (y) s.top = t > 0 ? (t+'px') : '0'; | |
| } | |
| function sz(el, p) { | |
| return parseInt($.css(el,p),10)||0; | |
| } | |
| } | |
| /*global define:true */ | |
| if (typeof define === 'function' && define.amd && define.amd.jQuery) { | |
| define(['jquery'], setup); | |
| } else { | |
| setup(jQuery); | |
| } | |
| })(); |
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