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