1 | /*!
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2 | * jQuery blockUI plugin
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3 | * Version 2.50 (04-OCT-2012)
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4 | * @requires jQuery v1.3 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) 2007-2012 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 | "use strict";
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17 |
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18 | function setup($) {
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19 | if (/^1\.(0|1|2)/.test($.fn.jquery)) {
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20 | /*global alert:true */
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21 | alert('blockUI requires jQuery v1.3 or later! You are using v' + $.fn.jquery);
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22 | return;
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23 | }
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24 |
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25 | $.fn._fadeIn = $.fn.fadeIn;
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26 |
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27 | var noOp = $.noop || function() {};
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28 |
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29 | // this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
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30 | // retarded userAgent strings on Vista)
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31 | var msie = /MSIE/.test(navigator.userAgent);
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32 | var ie6 = /MSIE 6.0/.test(navigator.userAgent);
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33 | var mode = document.documentMode || 0;
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34 | // var setExpr = msie && (($.browser.version < 8 && !mode) || mode < 8);
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35 | var setExpr = $.isFunction( document.createElement('div').style.setExpression );
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36 |
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37 | // global $ methods for blocking/unblocking the entire page
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38 | $.blockUI = function(opts) { install(window, opts); };
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39 | $.unblockUI = function(opts) { remove(window, opts); };
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40 |
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41 | // convenience method for quick growl-like notifications (http://www.google.com/search?q=growl)
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42 | $.growlUI = function(title, message, timeout, onClose) {
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43 | var $m = $('<div class="growlUI"></div>');
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44 | if (title) $m.append('<h1>'+title+'</h1>');
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45 | if (message) $m.append('<h2>'+message+'</h2>');
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46 | if (timeout === undefined) timeout = 3000;
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47 | $.blockUI({
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48 | message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,
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49 | timeout: timeout, showOverlay: false,
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50 | onUnblock: onClose,
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51 | css: $.blockUI.defaults.growlCSS
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52 | });
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53 | };
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54 |
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55 | // plugin method for blocking element content
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56 | $.fn.block = function(opts) {
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57 | var fullOpts = $.extend({}, $.blockUI.defaults, opts || {});
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58 | this.each(function() {
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59 | var $el = $(this);
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60 | if (fullOpts.ignoreIfBlocked && $el.data('blockUI.isBlocked'))
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61 | return;
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62 | $el.unblock({ fadeOut: 0 });
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63 | });
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64 |
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65 | return this.each(function() {
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66 | if ($.css(this,'position') == 'static')
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67 | this.style.position = 'relative';
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68 | this.style.zoom = 1; // force 'hasLayout' in ie
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69 | install(this, opts);
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70 | });
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71 | };
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72 |
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73 | // plugin method for unblocking element content
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74 | $.fn.unblock = function(opts) {
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75 | return this.each(function() {
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76 | remove(this, opts);
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77 | });
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78 | };
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79 |
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80 | $.blockUI.version = 2.50; // 2nd generation blocking at no extra cost!
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81 |
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82 | // override these in your code to change the default behavior and style
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83 | $.blockUI.defaults = {
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84 | // message displayed when blocking (use null for no message)
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85 | message: '<h1>Please wait...</h1>',
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86 |
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87 | title: null, // title string; only used when theme == true
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88 | draggable: true, // only used when theme == true (requires jquery-ui.js to be loaded)
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89 |
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90 | theme: false, // set to true to use with jQuery UI themes
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91 |
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92 | // styles for the message when blocking; if you wish to disable
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93 | // these and use an external stylesheet then do this in your code:
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94 | // $.blockUI.defaults.css = {};
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95 | css: {
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96 | padding: 0,
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97 | margin: 0,
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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 | textAlign: 'center',
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102 | color: '#000',
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103 | border: '3px solid #aaa',
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104 | backgroundColor:'#fff',
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105 | cursor: 'wait'
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106 | },
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107 |
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108 | // minimal style set used when themes are used
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109 | themedCSS: {
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110 | width: '30%',
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111 | top: '40%',
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112 | left: '35%'
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113 | },
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114 |
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115 | // styles for the overlay
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116 | overlayCSS: {
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117 | backgroundColor: '#000',
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118 | opacity: 0.6,
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119 | cursor: 'wait'
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120 | },
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121 |
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122 | // styles applied when using $.growlUI
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123 | growlCSS: {
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124 | width: '350px',
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125 | top: '10px',
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126 | left: '',
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127 | right: '10px',
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128 | border: 'none',
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129 | padding: '5px',
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130 | opacity: 0.6,
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131 | cursor: 'default',
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132 | color: '#fff',
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133 | backgroundColor: '#000',
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134 | '-webkit-border-radius':'10px',
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135 | '-moz-border-radius': '10px',
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136 | 'border-radius': '10px'
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137 | },
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138 |
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139 | // IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
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140 | // (hat tip to Jorge H. N. de Vasconcelos)
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141 | /*jshint scripturl:true */
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142 | iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',
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143 |
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144 | // force usage of iframe in non-IE browsers (handy for blocking applets)
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145 | forceIframe: false,
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146 |
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147 | // z-index for the blocking overlay
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148 | baseZ: 1000,
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149 |
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150 | // set these to true to have the message automatically centered
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151 | centerX: true, // <-- only effects element blocking (page block controlled via css above)
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152 | centerY: true,
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153 |
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154 | // allow body element to be stetched in ie6; this makes blocking look better
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155 | // on "short" pages. disable if you wish to prevent changes to the body height
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156 | allowBodyStretch: true,
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157 |
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158 | // enable if you want key and mouse events to be disabled for content that is blocked
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159 | bindEvents: true,
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160 |
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161 | // be default blockUI will supress tab navigation from leaving blocking content
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162 | // (if bindEvents is true)
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163 | constrainTabKey: true,
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164 |
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165 | // fadeIn time in millis; set to 0 to disable fadeIn on block
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166 | fadeIn: 200,
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167 |
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168 | // fadeOut time in millis; set to 0 to disable fadeOut on unblock
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169 | fadeOut: 400,
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170 |
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171 | // time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
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172 | timeout: 0,
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173 |
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174 | // disable if you don't want to show the overlay
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175 | showOverlay: true,
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176 |
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177 | // if true, focus will be placed in the first available input field when
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178 | // page blocking
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179 | focusInput: true,
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180 |
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181 | // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
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182 | // no longer needed in 2012
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183 | // applyPlatformOpacityRules: true,
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184 |
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185 | // callback method invoked when fadeIn has completed and blocking message is visible
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186 | onBlock: null,
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187 |
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188 | // callback method invoked when unblocking has completed; the callback is
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189 | // passed the element that has been unblocked (which is the window object for page
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190 | // blocks) and the options that were passed to the unblock call:
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191 | // onUnblock(element, options)
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192 | onUnblock: null,
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193 |
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194 | // 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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195 | quirksmodeOffsetHack: 4,
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196 |
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197 | // class name of the message block
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198 | blockMsgClass: 'blockMsg',
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199 |
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200 | // if it is already blocked, then ignore it (don't unblock and reblock)
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201 | ignoreIfBlocked: false
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202 | };
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203 |
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204 | // private data and functions follow...
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205 |
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206 | var pageBlock = null;
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207 | var pageBlockEls = [];
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208 |
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209 | function install(el, opts) {
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210 | var css, themedCSS;
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211 | var full = (el == window);
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212 | var msg = (opts && opts.message !== undefined ? opts.message : undefined);
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213 | opts = $.extend({}, $.blockUI.defaults, opts || {});
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214 |
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215 | if (opts.ignoreIfBlocked && $(el).data('blockUI.isBlocked'))
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216 | return;
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217 |
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218 | opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
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219 | css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
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220 | themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {});
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221 | msg = msg === undefined ? opts.message : msg;
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222 |
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223 | // remove the current block (if there is one)
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224 | if (full && pageBlock)
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225 | remove(window, {fadeOut:0});
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226 |
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227 | // if an existing element is being used as the blocking content then we capture
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228 | // its current place in the DOM (and current display style) so we can restore
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229 | // it when we unblock
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230 | if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
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231 | var node = msg.jquery ? msg[0] : msg;
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232 | var data = {};
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233 | $(el).data('blockUI.history', data);
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234 | data.el = node;
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235 | data.parent = node.parentNode;
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236 | data.display = node.style.display;
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237 | data.position = node.style.position;
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238 | if (data.parent)
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239 | data.parent.removeChild(node);
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240 | }
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241 |
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242 | $(el).data('blockUI.onUnblock', opts.onUnblock);
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243 | var z = opts.baseZ;
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244 |
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245 | // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
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246 | // layer1 is the iframe layer which is used to supress bleed through of underlying content
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247 | // layer2 is the overlay layer which has opacity and a wait cursor (by default)
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248 | // layer3 is the message content that is displayed while blocking
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249 | var lyr1, lyr2, lyr3, s;
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250 | if (msie || opts.forceIframe)
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251 | 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>');
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252 | else
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253 | lyr1 = $('<div class="blockUI" style="display:none"></div>');
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254 |
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255 | if (opts.theme)
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256 | lyr2 = $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>');
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257 | else
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258 | 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>');
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259 |
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260 | if (opts.theme && full) {
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261 | 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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262 | if ( opts.title ) {
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263 | s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>';
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264 | }
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265 | s += '<div class="ui-widget-content ui-dialog-content"></div>';
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266 | s += '</div>';
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267 | }
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268 | else if (opts.theme) {
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269 | 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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270 | if ( opts.title ) {
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271 | s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>';
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272 | }
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273 | s += '<div class="ui-widget-content ui-dialog-content"></div>';
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274 | s += '</div>';
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275 | }
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276 | else if (full) {
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277 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>';
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278 | }
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279 | else {
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280 | s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>';
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281 | }
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282 | lyr3 = $(s);
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283 |
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284 | // if we have a message, style it
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285 | if (msg) {
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286 | if (opts.theme) {
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287 | lyr3.css(themedCSS);
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288 | lyr3.addClass('ui-widget-content');
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289 | }
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290 | else
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291 | lyr3.css(css);
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292 | }
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293 |
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294 | // style the overlay
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295 | if (!opts.theme /*&& (!opts.applyPlatformOpacityRules)*/)
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296 | lyr2.css(opts.overlayCSS);
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297 | lyr2.css('position', full ? 'fixed' : 'absolute');
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298 |
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299 | // make iframe layer transparent in IE
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300 | if (msie || opts.forceIframe)
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301 | lyr1.css('opacity',0.0);
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302 |
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303 | //$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
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304 | var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el);
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305 | $.each(layers, function() {
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306 | this.appendTo($par);
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307 | });
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308 |
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309 | if (opts.theme && opts.draggable && $.fn.draggable) {
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310 | lyr3.draggable({
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311 | handle: '.ui-dialog-titlebar',
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312 | cancel: 'li'
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313 | });
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314 | }
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315 |
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316 | // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
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317 | var expr = setExpr && (!$.support.boxModel || $('object,embed', full ? null : el).length > 0);
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318 | if (ie6 || expr) {
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319 | // give body 100% height
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320 | if (full && opts.allowBodyStretch && $.support.boxModel)
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321 | $('html,body').css('height','100%');
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322 |
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323 | // fix ie6 issue when blocked element has a border width
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324 | if ((ie6 || !$.support.boxModel) && !full) {
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325 | var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
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326 | var fixT = t ? '(0 - '+t+')' : 0;
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327 | var fixL = l ? '(0 - '+l+')' : 0;
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328 | }
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329 |
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330 | // simulate fixed position
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331 | $.each(layers, function(i,o) {
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332 | var s = o[0].style;
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333 | s.position = 'absolute';
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334 | if (i < 2) {
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335 | if (full)
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336 | s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.support.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"');
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337 | else
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338 | s.setExpression('height','this.parentNode.offsetHeight + "px"');
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339 | if (full)
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340 | s.setExpression('width','jQuery.support.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"');
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341 | else
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342 | s.setExpression('width','this.parentNode.offsetWidth + "px"');
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343 | if (fixL) s.setExpression('left', fixL);
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344 | if (fixT) s.setExpression('top', fixT);
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345 | }
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346 | else if (opts.centerY) {
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347 | 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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348 | s.marginTop = 0;
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349 | }
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350 | else if (!opts.centerY && full) {
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351 | var top = (opts.css && opts.css.top) ? parseInt(opts.css.top, 10) : 0;
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352 | var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"';
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353 | s.setExpression('top',expression);
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354 | }
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355 | });
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356 | }
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357 |
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358 | // show the message
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359 | if (msg) {
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360 | if (opts.theme)
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361 | lyr3.find('.ui-widget-content').append(msg);
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362 | else
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363 | lyr3.append(msg);
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364 | if (msg.jquery || msg.nodeType)
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365 | $(msg).show();
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366 | }
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367 |
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368 | if ((msie || opts.forceIframe) && opts.showOverlay)
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369 | lyr1.show(); // opacity is zero
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370 | if (opts.fadeIn) {
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371 | var cb = opts.onBlock ? opts.onBlock : noOp;
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372 | var cb1 = (opts.showOverlay && !msg) ? cb : noOp;
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373 | var cb2 = msg ? cb : noOp;
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374 | if (opts.showOverlay)
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375 | lyr2._fadeIn(opts.fadeIn, cb1);
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376 | if (msg)
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377 | lyr3._fadeIn(opts.fadeIn, cb2);
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378 | }
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379 | else {
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380 | if (opts.showOverlay)
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381 | lyr2.show();
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382 | if (msg)
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383 | lyr3.show();
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384 | if (opts.onBlock)
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385 | opts.onBlock();
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386 | }
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387 |
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388 | // bind key and mouse events
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389 | bind(1, el, opts);
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390 |
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391 | if (full) {
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392 | pageBlock = lyr3[0];
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393 | pageBlockEls = $(':input:enabled:visible',pageBlock);
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394 | if (opts.focusInput)
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395 | setTimeout(focus, 20);
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396 | }
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397 | else
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398 | center(lyr3[0], opts.centerX, opts.centerY);
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399 |
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400 | if (opts.timeout) {
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401 | // auto-unblock
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402 | var to = setTimeout(function() {
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403 | if (full)
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404 | $.unblockUI(opts);
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405 | else
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406 | $(el).unblock(opts);
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407 | }, opts.timeout);
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408 | $(el).data('blockUI.timeout', to);
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409 | }
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410 | }
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411 |
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412 | // remove the block
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413 | function remove(el, opts) {
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414 | var full = (el == window);
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415 | var $el = $(el);
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416 | var data = $el.data('blockUI.history');
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417 | var to = $el.data('blockUI.timeout');
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418 | if (to) {
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419 | clearTimeout(to);
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420 | $el.removeData('blockUI.timeout');
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421 | }
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422 | opts = $.extend({}, $.blockUI.defaults, opts || {});
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423 | bind(0, el, opts); // unbind events
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424 |
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425 | if (opts.onUnblock === null) {
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426 | opts.onUnblock = $el.data('blockUI.onUnblock');
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427 | $el.removeData('blockUI.onUnblock');
|
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428 | }
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429 |
|
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430 | var els;
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431 | if (full) // crazy selector to handle odd field errors in ie6/7
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432 | els = $('body').children().filter('.blockUI').add('body > .blockUI');
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433 | else
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434 | els = $el.find('>.blockUI');
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435 |
|
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436 | if (full)
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437 | pageBlock = pageBlockEls = null;
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438 |
|
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439 | if (opts.fadeOut) {
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440 | els.fadeOut(opts.fadeOut);
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441 | setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut);
|
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442 | }
|
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443 | else
|
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444 | reset(els, data, opts, el);
|
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445 | }
|
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446 |
|
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447 | // move blocking element back into the DOM where it started
|
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448 | function reset(els,data,opts,el) {
|
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449 | els.each(function(i,o) {
|
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450 | // remove via DOM calls so we don't lose event handlers
|
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451 | if (this.parentNode)
|
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452 | this.parentNode.removeChild(this);
|
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453 | });
|
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454 |
|
---|
455 | if (data && data.el) {
|
---|
456 | data.el.style.display = data.display;
|
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457 | data.el.style.position = data.position;
|
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458 | if (data.parent)
|
---|
459 | data.parent.appendChild(data.el);
|
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460 | $(el).removeData('blockUI.history');
|
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461 | }
|
---|
462 |
|
---|
463 | if (typeof opts.onUnblock == 'function')
|
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464 | opts.onUnblock(el,opts);
|
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465 |
|
---|
466 | // fix issue in Safari 6 where block artifacts remain until reflow
|
---|
467 | var body = $(document.body), w = body.width(), cssW = body[0].style.width;
|
---|
468 | body.width(w-1).width(w);
|
---|
469 | body[0].style.width = cssW;
|
---|
470 | }
|
---|
471 |
|
---|
472 | // bind/unbind the handler
|
---|
473 | function bind(b, el, opts) {
|
---|
474 | var full = el == window, $el = $(el);
|
---|
475 |
|
---|
476 | // don't bother unbinding if there is nothing to unbind
|
---|
477 | if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
|
---|
478 | return;
|
---|
479 |
|
---|
480 | $el.data('blockUI.isBlocked', b);
|
---|
481 |
|
---|
482 | // don't bind events when overlay is not in use or if bindEvents is false
|
---|
483 | if (!opts.bindEvents || (b && !opts.showOverlay))
|
---|
484 | return;
|
---|
485 |
|
---|
486 | // bind anchors and inputs for mouse and key events
|
---|
487 | var events = 'mousedown mouseup keydown keypress touchstart touchend touchmove';
|
---|
488 | if (b)
|
---|
489 | $(document).bind(events, opts, handler);
|
---|
490 | else
|
---|
491 | $(document).unbind(events, handler);
|
---|
492 |
|
---|
493 | // former impl...
|
---|
494 | // var $e = $('a,:input');
|
---|
495 | // b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
|
---|
496 | }
|
---|
497 |
|
---|
498 | // event handler to suppress keyboard/mouse events when blocking
|
---|
499 | function handler(e) {
|
---|
500 | // allow tab navigation (conditionally)
|
---|
501 | if (e.keyCode && e.keyCode == 9) {
|
---|
502 | if (pageBlock && e.data.constrainTabKey) {
|
---|
503 | var els = pageBlockEls;
|
---|
504 | var fwd = !e.shiftKey && e.target === els[els.length-1];
|
---|
505 | var back = e.shiftKey && e.target === els[0];
|
---|
506 | if (fwd || back) {
|
---|
507 | setTimeout(function(){focus(back);},10);
|
---|
508 | return false;
|
---|
509 | }
|
---|
510 | }
|
---|
511 | }
|
---|
512 | var opts = e.data;
|
---|
513 | // allow events within the message content
|
---|
514 | if ($(e.target).parents('div.' + opts.blockMsgClass).length > 0)
|
---|
515 | return true;
|
---|
516 |
|
---|
517 | // allow events for content that is not being blocked
|
---|
518 | return $(e.target).parents().children().filter('div.blockUI').length === 0;
|
---|
519 | }
|
---|
520 |
|
---|
521 | function focus(back) {
|
---|
522 | if (!pageBlockEls)
|
---|
523 | return;
|
---|
524 | var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0];
|
---|
525 | if (e)
|
---|
526 | e.focus();
|
---|
527 | }
|
---|
528 |
|
---|
529 | function center(el, x, y) {
|
---|
530 | var p = el.parentNode, s = el.style;
|
---|
531 | var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth');
|
---|
532 | var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth');
|
---|
533 | if (x) s.left = l > 0 ? (l+'px') : '0';
|
---|
534 | if (y) s.top = t > 0 ? (t+'px') : '0';
|
---|
535 | }
|
---|
536 |
|
---|
537 | function sz(el, p) {
|
---|
538 | return parseInt($.css(el,p),10)||0;
|
---|
539 | }
|
---|
540 |
|
---|
541 | }
|
---|
542 |
|
---|
543 |
|
---|
544 | /*global define:true */
|
---|
545 | if (typeof define === 'function' && define.amd && define.amd.jQuery) {
|
---|
546 | define(['jquery'], setup);
|
---|
547 | } else {
|
---|
548 | setup(jQuery);
|
---|
549 | }
|
---|
550 |
|
---|
551 | })();
|
---|