[5136] | 1 | /*! |
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| 2 | * jQuery blockUI plugin |
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| 3 | * Version 2.39 (23-MAY-2011) |
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| 4 | * @requires jQuery v1.2.3 or later |
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| 5 | * |
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| 6 | * Examples at: http://malsup.com/jquery/block/ |
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| 7 | * Copyright (c) 2007-2010 M. Alsup |
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| 8 | * Dual licensed under the MIT and GPL licenses: |
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| 9 | * http://www.opensource.org/licenses/mit-license.php |
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| 10 | * http://www.gnu.org/licenses/gpl.html |
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| 11 | * |
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| 12 | * Thanks to Amir-Hossein Sobhi for some excellent contributions! |
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| 13 | */ |
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| 14 | |
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| 15 | ;(function($) { |
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| 16 | |
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| 17 | if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) { |
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| 18 | alert('blockUI requires jQuery v1.2.3 or later! You are using v' + $.fn.jquery); |
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| 19 | return; |
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| 20 | } |
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| 21 | |
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| 22 | $.fn._fadeIn = $.fn.fadeIn; |
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| 23 | |
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| 24 | var noOp = function() {}; |
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| 25 | |
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| 26 | // this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle |
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| 27 | // retarded userAgent strings on Vista) |
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| 28 | var mode = document.documentMode || 0; |
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| 29 | var setExpr = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8); |
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| 30 | var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && !mode; |
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| 31 | |
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| 32 | // global $ methods for blocking/unblocking the entire page |
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| 33 | $.blockUI = function(opts) { install(window, opts); }; |
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| 34 | $.unblockUI = function(opts) { remove(window, opts); }; |
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| 35 | |
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| 36 | // convenience method for quick growl-like notifications (http://www.google.com/search?q=growl) |
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| 37 | $.growlUI = function(title, message, timeout, onClose) { |
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| 38 | var $m = $('<div class="growlUI"></div>'); |
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| 39 | if (title) $m.append('<h1>'+title+'</h1>'); |
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| 40 | if (message) $m.append('<h2>'+message+'</h2>'); |
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| 41 | if (timeout == undefined) timeout = 3000; |
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| 42 | $.blockUI({ |
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| 43 | message: $m, fadeIn: 700, fadeOut: 1000, centerY: false, |
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| 44 | timeout: timeout, showOverlay: false, |
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| 45 | onUnblock: onClose, |
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| 46 | css: $.blockUI.defaults.growlCSS |
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| 47 | }); |
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| 48 | }; |
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| 49 | |
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| 50 | // plugin method for blocking element content |
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| 51 | $.fn.block = function(opts) { |
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| 52 | return this.unblock({ fadeOut: 0 }).each(function() { |
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| 53 | if ($.css(this,'position') == 'static') |
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| 54 | this.style.position = 'relative'; |
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| 55 | if ($.browser.msie) |
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| 56 | this.style.zoom = 1; // force 'hasLayout' |
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| 57 | install(this, opts); |
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| 58 | }); |
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| 59 | }; |
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| 60 | |
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| 61 | // plugin method for unblocking element content |
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| 62 | $.fn.unblock = function(opts) { |
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| 63 | return this.each(function() { |
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| 64 | remove(this, opts); |
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| 65 | }); |
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| 66 | }; |
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| 67 | |
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| 68 | $.blockUI.version = 2.39; // 2nd generation blocking at no extra cost! |
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| 69 | |
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| 70 | // override these in your code to change the default behavior and style |
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| 71 | $.blockUI.defaults = { |
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| 72 | // message displayed when blocking (use null for no message) |
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| 73 | message: '<h1>Please wait...</h1>', |
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| 74 | |
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| 75 | title: null, // title string; only used when theme == true |
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| 76 | draggable: true, // only used when theme == true (requires jquery-ui.js to be loaded) |
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| 77 | |
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| 78 | theme: false, // set to true to use with jQuery UI themes |
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| 79 | |
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| 80 | // styles for the message when blocking; if you wish to disable |
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| 81 | // these and use an external stylesheet then do this in your code: |
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| 82 | // $.blockUI.defaults.css = {}; |
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| 83 | css: { |
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| 84 | padding: 0, |
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| 85 | margin: 0, |
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| 86 | width: '30%', |
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| 87 | top: '40%', |
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| 88 | left: '35%', |
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| 89 | textAlign: 'center', |
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| 90 | color: '#000', |
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| 91 | border: '3px solid #aaa', |
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| 92 | backgroundColor:'#fff', |
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| 93 | cursor: 'wait' |
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| 94 | }, |
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| 95 | |
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| 96 | // minimal style set used when themes are used |
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| 97 | themedCSS: { |
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| 98 | width: '30%', |
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| 99 | top: '40%', |
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| 100 | left: '35%' |
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| 101 | }, |
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| 102 | |
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| 103 | // styles for the overlay |
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| 104 | overlayCSS: { |
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| 105 | backgroundColor: '#000', |
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| 106 | opacity: 0.6, |
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| 107 | cursor: 'wait' |
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| 108 | }, |
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| 109 | |
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| 110 | // styles applied when using $.growlUI |
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| 111 | growlCSS: { |
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| 112 | width: '350px', |
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| 113 | top: '10px', |
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| 114 | left: '', |
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| 115 | right: '10px', |
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| 116 | border: 'none', |
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| 117 | padding: '5px', |
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| 118 | opacity: 0.6, |
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| 119 | cursor: 'default', |
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| 120 | color: '#fff', |
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| 121 | backgroundColor: '#000', |
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| 122 | '-webkit-border-radius': '10px', |
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| 123 | '-moz-border-radius': '10px', |
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| 124 | 'border-radius': '10px' |
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| 125 | }, |
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| 126 | |
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| 127 | // IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w |
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| 128 | // (hat tip to Jorge H. N. de Vasconcelos) |
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| 129 | iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank', |
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| 130 | |
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| 131 | // force usage of iframe in non-IE browsers (handy for blocking applets) |
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| 132 | forceIframe: false, |
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| 133 | |
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| 134 | // z-index for the blocking overlay |
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| 135 | baseZ: 1000, |
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| 136 | |
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| 137 | // set these to true to have the message automatically centered |
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| 138 | centerX: true, // <-- only effects element blocking (page block controlled via css above) |
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| 139 | centerY: true, |
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| 140 | |
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| 141 | // allow body element to be stetched in ie6; this makes blocking look better |
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| 142 | // on "short" pages. disable if you wish to prevent changes to the body height |
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| 143 | allowBodyStretch: true, |
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| 144 | |
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| 145 | // enable if you want key and mouse events to be disabled for content that is blocked |
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| 146 | bindEvents: true, |
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| 147 | |
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| 148 | // be default blockUI will supress tab navigation from leaving blocking content |
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| 149 | // (if bindEvents is true) |
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| 150 | constrainTabKey: true, |
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| 151 | |
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| 152 | // fadeIn time in millis; set to 0 to disable fadeIn on block |
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| 153 | fadeIn: 200, |
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| 154 | |
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| 155 | // fadeOut time in millis; set to 0 to disable fadeOut on unblock |
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| 156 | fadeOut: 400, |
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| 157 | |
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| 158 | // time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock |
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| 159 | timeout: 0, |
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| 160 | |
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| 161 | // disable if you don't want to show the overlay |
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| 162 | showOverlay: true, |
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| 163 | |
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| 164 | // if true, focus will be placed in the first available input field when |
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| 165 | // page blocking |
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| 166 | focusInput: true, |
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| 167 | |
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| 168 | // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity) |
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| 169 | applyPlatformOpacityRules: true, |
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| 170 | |
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| 171 | // callback method invoked when fadeIn has completed and blocking message is visible |
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| 172 | onBlock: null, |
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| 173 | |
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| 174 | // callback method invoked when unblocking has completed; the callback is |
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| 175 | // passed the element that has been unblocked (which is the window object for page |
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| 176 | // blocks) and the options that were passed to the unblock call: |
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| 177 | // onUnblock(element, options) |
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| 178 | onUnblock: null, |
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| 179 | |
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| 180 | // don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493 |
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| 181 | quirksmodeOffsetHack: 4, |
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| 182 | |
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| 183 | // class name of the message block |
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| 184 | blockMsgClass: 'blockMsg' |
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| 185 | }; |
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| 186 | |
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| 187 | // private data and functions follow... |
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| 188 | |
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| 189 | var pageBlock = null; |
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| 190 | var pageBlockEls = []; |
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| 191 | |
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| 192 | function install(el, opts) { |
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| 193 | var full = (el == window); |
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| 194 | var msg = opts && opts.message !== undefined ? opts.message : undefined; |
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| 195 | opts = $.extend({}, $.blockUI.defaults, opts || {}); |
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| 196 | opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {}); |
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| 197 | var css = $.extend({}, $.blockUI.defaults.css, opts.css || {}); |
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| 198 | var themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {}); |
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| 199 | msg = msg === undefined ? opts.message : msg; |
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| 200 | |
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| 201 | // remove the current block (if there is one) |
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| 202 | if (full && pageBlock) |
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| 203 | remove(window, {fadeOut:0}); |
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| 204 | |
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| 205 | // if an existing element is being used as the blocking content then we capture |
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| 206 | // its current place in the DOM (and current display style) so we can restore |
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| 207 | // it when we unblock |
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| 208 | if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) { |
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| 209 | var node = msg.jquery ? msg[0] : msg; |
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| 210 | var data = {}; |
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| 211 | $(el).data('blockUI.history', data); |
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| 212 | data.el = node; |
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| 213 | data.parent = node.parentNode; |
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| 214 | data.display = node.style.display; |
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| 215 | data.position = node.style.position; |
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| 216 | if (data.parent) |
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| 217 | data.parent.removeChild(node); |
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| 218 | } |
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| 219 | |
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| 220 | $(el).data('blockUI.onUnblock', opts.onUnblock); |
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| 221 | var z = opts.baseZ; |
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| 222 | |
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| 223 | // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform; |
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| 224 | // layer1 is the iframe layer which is used to supress bleed through of underlying content |
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| 225 | // layer2 is the overlay layer which has opacity and a wait cursor (by default) |
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| 226 | // layer3 is the message content that is displayed while blocking |
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| 227 | |
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| 228 | var lyr1 = ($.browser.msie || opts.forceIframe) |
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| 229 | ? $('<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>') |
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| 230 | : $('<div class="blockUI" style="display:none"></div>'); |
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| 231 | |
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| 232 | var lyr2 = opts.theme |
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| 233 | ? $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>') |
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| 234 | : $('<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>'); |
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| 235 | |
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| 236 | var lyr3, s; |
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| 237 | if (opts.theme && full) { |
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| 238 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:fixed">' + |
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| 239 | '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>' + |
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| 240 | '<div class="ui-widget-content ui-dialog-content"></div>' + |
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| 241 | '</div>'; |
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| 242 | } |
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| 243 | else if (opts.theme) { |
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| 244 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:absolute">' + |
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| 245 | '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>' + |
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| 246 | '<div class="ui-widget-content ui-dialog-content"></div>' + |
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| 247 | '</div>'; |
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| 248 | } |
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| 249 | else if (full) { |
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| 250 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>'; |
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| 251 | } |
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| 252 | else { |
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| 253 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>'; |
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| 254 | } |
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| 255 | lyr3 = $(s); |
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| 256 | |
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| 257 | // if we have a message, style it |
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| 258 | if (msg) { |
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| 259 | if (opts.theme) { |
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| 260 | lyr3.css(themedCSS); |
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| 261 | lyr3.addClass('ui-widget-content'); |
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| 262 | } |
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| 263 | else |
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| 264 | lyr3.css(css); |
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| 265 | } |
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| 266 | |
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| 267 | // style the overlay |
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| 268 | if (!opts.theme && (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform)))) |
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| 269 | lyr2.css(opts.overlayCSS); |
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| 270 | lyr2.css('position', full ? 'fixed' : 'absolute'); |
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| 271 | |
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| 272 | // make iframe layer transparent in IE |
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| 273 | if ($.browser.msie || opts.forceIframe) |
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| 274 | lyr1.css('opacity',0.0); |
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| 275 | |
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| 276 | //$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el); |
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| 277 | var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el); |
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| 278 | $.each(layers, function() { |
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| 279 | this.appendTo($par); |
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| 280 | }); |
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| 281 | |
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| 282 | if (opts.theme && opts.draggable && $.fn.draggable) { |
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| 283 | lyr3.draggable({ |
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| 284 | handle: '.ui-dialog-titlebar', |
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| 285 | cancel: 'li' |
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| 286 | }); |
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| 287 | } |
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| 288 | |
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| 289 | // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling) |
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| 290 | var expr = setExpr && (!$.boxModel || $('object,embed', full ? null : el).length > 0); |
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| 291 | if (ie6 || expr) { |
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| 292 | // give body 100% height |
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| 293 | if (full && opts.allowBodyStretch && $.boxModel) |
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| 294 | $('html,body').css('height','100%'); |
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| 295 | |
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| 296 | // fix ie6 issue when blocked element has a border width |
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| 297 | if ((ie6 || !$.boxModel) && !full) { |
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| 298 | var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth'); |
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| 299 | var fixT = t ? '(0 - '+t+')' : 0; |
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| 300 | var fixL = l ? '(0 - '+l+')' : 0; |
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| 301 | } |
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| 302 | |
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| 303 | // simulate fixed position |
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| 304 | $.each([lyr1,lyr2,lyr3], function(i,o) { |
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| 305 | var s = o[0].style; |
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| 306 | s.position = 'absolute'; |
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| 307 | if (i < 2) { |
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| 308 | full ? s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"') |
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| 309 | : s.setExpression('height','this.parentNode.offsetHeight + "px"'); |
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| 310 | full ? s.setExpression('width','jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"') |
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| 311 | : s.setExpression('width','this.parentNode.offsetWidth + "px"'); |
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| 312 | if (fixL) s.setExpression('left', fixL); |
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| 313 | if (fixT) s.setExpression('top', fixT); |
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| 314 | } |
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| 315 | else if (opts.centerY) { |
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| 316 | 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"'); |
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| 317 | s.marginTop = 0; |
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| 318 | } |
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| 319 | else if (!opts.centerY && full) { |
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| 320 | var top = (opts.css && opts.css.top) ? parseInt(opts.css.top) : 0; |
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| 321 | var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"'; |
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| 322 | s.setExpression('top',expression); |
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| 323 | } |
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| 324 | }); |
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| 325 | } |
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| 326 | |
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| 327 | // show the message |
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| 328 | if (msg) { |
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| 329 | if (opts.theme) |
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| 330 | lyr3.find('.ui-widget-content').append(msg); |
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| 331 | else |
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| 332 | lyr3.append(msg); |
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| 333 | if (msg.jquery || msg.nodeType) |
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| 334 | $(msg).show(); |
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| 335 | } |
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| 336 | |
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| 337 | if (($.browser.msie || opts.forceIframe) && opts.showOverlay) |
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| 338 | lyr1.show(); // opacity is zero |
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| 339 | if (opts.fadeIn) { |
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| 340 | var cb = opts.onBlock ? opts.onBlock : noOp; |
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| 341 | var cb1 = (opts.showOverlay && !msg) ? cb : noOp; |
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| 342 | var cb2 = msg ? cb : noOp; |
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| 343 | if (opts.showOverlay) |
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| 344 | lyr2._fadeIn(opts.fadeIn, cb1); |
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| 345 | if (msg) |
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| 346 | lyr3._fadeIn(opts.fadeIn, cb2); |
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| 347 | } |
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| 348 | else { |
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| 349 | if (opts.showOverlay) |
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| 350 | lyr2.show(); |
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| 351 | if (msg) |
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| 352 | lyr3.show(); |
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| 353 | if (opts.onBlock) |
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| 354 | opts.onBlock(); |
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| 355 | } |
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| 356 | |
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| 357 | // bind key and mouse events |
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| 358 | bind(1, el, opts); |
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| 359 | |
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| 360 | if (full) { |
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| 361 | pageBlock = lyr3[0]; |
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| 362 | pageBlockEls = $(':input:enabled:visible',pageBlock); |
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| 363 | if (opts.focusInput) |
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| 364 | setTimeout(focus, 20); |
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| 365 | } |
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| 366 | else |
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| 367 | center(lyr3[0], opts.centerX, opts.centerY); |
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| 368 | |
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| 369 | if (opts.timeout) { |
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| 370 | // auto-unblock |
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| 371 | var to = setTimeout(function() { |
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| 372 | full ? $.unblockUI(opts) : $(el).unblock(opts); |
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| 373 | }, opts.timeout); |
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| 374 | $(el).data('blockUI.timeout', to); |
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| 375 | } |
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| 376 | }; |
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| 377 | |
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| 378 | // remove the block |
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| 379 | function remove(el, opts) { |
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| 380 | var full = (el == window); |
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| 381 | var $el = $(el); |
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| 382 | var data = $el.data('blockUI.history'); |
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| 383 | var to = $el.data('blockUI.timeout'); |
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| 384 | if (to) { |
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| 385 | clearTimeout(to); |
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| 386 | $el.removeData('blockUI.timeout'); |
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| 387 | } |
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| 388 | opts = $.extend({}, $.blockUI.defaults, opts || {}); |
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| 389 | bind(0, el, opts); // unbind events |
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| 390 | |
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| 391 | if (opts.onUnblock === null) { |
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| 392 | opts.onUnblock = $el.data('blockUI.onUnblock'); |
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| 393 | $el.removeData('blockUI.onUnblock'); |
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| 394 | } |
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| 395 | |
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| 396 | var els; |
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| 397 | if (full) // crazy selector to handle odd field errors in ie6/7 |
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| 398 | els = $('body').children().filter('.blockUI').add('body > .blockUI'); |
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| 399 | else |
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| 400 | els = $('.blockUI', el); |
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| 401 | |
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| 402 | if (full) |
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| 403 | pageBlock = pageBlockEls = null; |
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| 404 | |
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| 405 | if (opts.fadeOut) { |
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| 406 | els.fadeOut(opts.fadeOut); |
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| 407 | setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut); |
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| 408 | } |
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| 409 | else |
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| 410 | reset(els, data, opts, el); |
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| 411 | }; |
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| 412 | |
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| 413 | // move blocking element back into the DOM where it started |
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| 414 | function reset(els,data,opts,el) { |
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| 415 | els.each(function(i,o) { |
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| 416 | // remove via DOM calls so we don't lose event handlers |
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| 417 | if (this.parentNode) |
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| 418 | this.parentNode.removeChild(this); |
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| 419 | }); |
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| 420 | |
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| 421 | if (data && data.el) { |
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| 422 | data.el.style.display = data.display; |
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| 423 | data.el.style.position = data.position; |
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| 424 | if (data.parent) |
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| 425 | data.parent.appendChild(data.el); |
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| 426 | $(el).removeData('blockUI.history'); |
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| 427 | } |
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| 428 | |
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| 429 | if (typeof opts.onUnblock == 'function') |
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| 430 | opts.onUnblock(el,opts); |
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| 431 | }; |
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| 432 | |
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| 433 | // bind/unbind the handler |
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| 434 | function bind(b, el, opts) { |
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| 435 | var full = el == window, $el = $(el); |
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| 436 | |
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| 437 | // don't bother unbinding if there is nothing to unbind |
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| 438 | if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked'))) |
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| 439 | return; |
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| 440 | if (!full) |
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| 441 | $el.data('blockUI.isBlocked', b); |
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| 442 | |
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| 443 | // don't bind events when overlay is not in use or if bindEvents is false |
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| 444 | if (!opts.bindEvents || (b && !opts.showOverlay)) |
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| 445 | return; |
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| 446 | |
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| 447 | // bind anchors and inputs for mouse and key events |
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| 448 | var events = 'mousedown mouseup keydown keypress'; |
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| 449 | b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler); |
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| 450 | |
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| 451 | // former impl... |
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| 452 | // var $e = $('a,:input'); |
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| 453 | // b ? $e.bind(events, opts, handler) : $e.unbind(events, handler); |
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| 454 | }; |
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| 455 | |
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| 456 | // event handler to suppress keyboard/mouse events when blocking |
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| 457 | function handler(e) { |
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| 458 | // allow tab navigation (conditionally) |
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| 459 | if (e.keyCode && e.keyCode == 9) { |
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| 460 | if (pageBlock && e.data.constrainTabKey) { |
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| 461 | var els = pageBlockEls; |
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| 462 | var fwd = !e.shiftKey && e.target === els[els.length-1]; |
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| 463 | var back = e.shiftKey && e.target === els[0]; |
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| 464 | if (fwd || back) { |
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| 465 | setTimeout(function(){focus(back)},10); |
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| 466 | return false; |
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| 467 | } |
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| 468 | } |
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| 469 | } |
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| 470 | var opts = e.data; |
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| 471 | // allow events within the message content |
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| 472 | if ($(e.target).parents('div.' + opts.blockMsgClass).length > 0) |
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| 473 | return true; |
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| 474 | |
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| 475 | // allow events for content that is not being blocked |
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| 476 | return $(e.target).parents().children().filter('div.blockUI').length == 0; |
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| 477 | }; |
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| 478 | |
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| 479 | function focus(back) { |
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| 480 | if (!pageBlockEls) |
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| 481 | return; |
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| 482 | var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0]; |
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| 483 | if (e) |
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| 484 | e.focus(); |
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| 485 | }; |
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| 486 | |
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| 487 | function center(el, x, y) { |
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| 488 | var p = el.parentNode, s = el.style; |
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| 489 | var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth'); |
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| 490 | var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth'); |
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| 491 | if (x) s.left = l > 0 ? (l+'px') : '0'; |
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| 492 | if (y) s.top = t > 0 ? (t+'px') : '0'; |
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| 493 | }; |
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| 494 | |
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| 495 | function sz(el, p) { |
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| 496 | return parseInt($.css(el,p))||0; |
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| 497 | }; |
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| 498 | |
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| 499 | })(jQuery); |
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