mirror of https://github.com/apache/lucene.git
500 lines
16 KiB
JavaScript
500 lines
16 KiB
JavaScript
|
/*!
|
|||
|
|
* jQuery blockUI plugin
|
|||
|
|
* Version 2.39 (23-MAY-2011)
|
|||
|
|
* @requires jQuery v1.2.3 or later
|
|||
|
|
*
|
|||
|
|
* Examples at: http://malsup.com/jquery/block/
|
|||
|
|
* Copyright (c) 2007-2010 M. Alsup
|
|||
|
|
* Dual licensed under the MIT and GPL licenses:
|
|||
|
|
* http://www.opensource.org/licenses/mit-license.php
|
|||
|
|
* http://www.gnu.org/licenses/gpl.html
|
|||
|
|
*
|
|||
|
|
* Thanks to Amir-Hossein Sobhi for some excellent contributions!
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
;(function($) {
|
|||
|
|
|
|||
|
|
if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) {
|
|||
|
|
alert('blockUI requires jQuery v1.2.3 or later! You are using v' + $.fn.jquery);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$.fn._fadeIn = $.fn.fadeIn;
|
|||
|
|
|
|||
|
|
var noOp = function() {};
|
|||
|
|
|
|||
|
|
// this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
|
|||
|
|
// retarded userAgent strings on Vista)
|
|||
|
|
var mode = document.documentMode || 0;
|
|||
|
|
var setExpr = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8);
|
|||
|
|
var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && !mode;
|
|||
|
|
|
|||
|
|
// global $ methods for blocking/unblocking the entire page
|
|||
|
|
$.blockUI = function(opts) { install(window, opts); };
|
|||
|
|
$.unblockUI = function(opts) { remove(window, opts); };
|
|||
|
|
|
|||
|
|
// convenience method for quick growl-like notifications (http://www.google.com/search?q=growl)
|
|||
|
|
$.growlUI = function(title, message, timeout, onClose) {
|
|||
|
|
var $m = $('<div class="growlUI"></div>');
|
|||
|
|
if (title) $m.append('<h1>'+title+'</h1>');
|
|||
|
|
if (message) $m.append('<h2>'+message+'</h2>');
|
|||
|
|
if (timeout == undefined) timeout = 3000;
|
|||
|
|
$.blockUI({
|
|||
|
|
message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,
|
|||
|
|
timeout: timeout, showOverlay: false,
|
|||
|
|
onUnblock: onClose,
|
|||
|
|
css: $.blockUI.defaults.growlCSS
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// plugin method for blocking element content
|
|||
|
|
$.fn.block = function(opts) {
|
|||
|
|
return this.unblock({ fadeOut: 0 }).each(function() {
|
|||
|
|
if ($.css(this,'position') == 'static')
|
|||
|
|
this.style.position = 'relative';
|
|||
|
|
if ($.browser.msie)
|
|||
|
|
this.style.zoom = 1; // force 'hasLayout'
|
|||
|
|
install(this, opts);
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// plugin method for unblocking element content
|
|||
|
|
$.fn.unblock = function(opts) {
|
|||
|
|
return this.each(function() {
|
|||
|
|
remove(this, opts);
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
$.blockUI.version = 2.39; // 2nd generation blocking at no extra cost!
|
|||
|
|
|
|||
|
|
// override these in your code to change the default behavior and style
|
|||
|
|
$.blockUI.defaults = {
|
|||
|
|
// message displayed when blocking (use null for no message)
|
|||
|
|
message: '<h1>Please wait...</h1>',
|
|||
|
|
|
|||
|
|
title: null, // title string; only used when theme == true
|
|||
|
|
draggable: true, // only used when theme == true (requires jquery-ui.js to be loaded)
|
|||
|
|
|
|||
|
|
theme: false, // set to true to use with jQuery UI themes
|
|||
|
|
|
|||
|
|
// styles for the message when blocking; if you wish to disable
|
|||
|
|
// these and use an external stylesheet then do this in your code:
|
|||
|
|
// $.blockUI.defaults.css = {};
|
|||
|
|
css: {
|
|||
|
|
padding: 0,
|
|||
|
|
margin: 0,
|
|||
|
|
width: '30%',
|
|||
|
|
top: '40%',
|
|||
|
|
left: '35%',
|
|||
|
|
textAlign: 'center',
|
|||
|
|
color: '#000',
|
|||
|
|
border: '3px solid #aaa',
|
|||
|
|
backgroundColor:'#fff',
|
|||
|
|
cursor: 'wait'
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// minimal style set used when themes are used
|
|||
|
|
themedCSS: {
|
|||
|
|
width: '30%',
|
|||
|
|
top: '40%',
|
|||
|
|
left: '35%'
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// styles for the overlay
|
|||
|
|
overlayCSS: {
|
|||
|
|
backgroundColor: '#000',
|
|||
|
|
opacity: 0.6,
|
|||
|
|
cursor: 'wait'
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// styles applied when using $.growlUI
|
|||
|
|
growlCSS: {
|
|||
|
|
width: '350px',
|
|||
|
|
top: '10px',
|
|||
|
|
left: '',
|
|||
|
|
right: '10px',
|
|||
|
|
border: 'none',
|
|||
|
|
padding: '5px',
|
|||
|
|
opacity: 0.6,
|
|||
|
|
cursor: 'default',
|
|||
|
|
color: '#fff',
|
|||
|
|
backgroundColor: '#000',
|
|||
|
|
'-webkit-border-radius': '10px',
|
|||
|
|
'-moz-border-radius': '10px',
|
|||
|
|
'border-radius': '10px'
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
|
|||
|
|
// (hat tip to Jorge H. N. de Vasconcelos)
|
|||
|
|
iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',
|
|||
|
|
|
|||
|
|
// force usage of iframe in non-IE browsers (handy for blocking applets)
|
|||
|
|
forceIframe: false,
|
|||
|
|
|
|||
|
|
// z-index for the blocking overlay
|
|||
|
|
baseZ: 1000,
|
|||
|
|
|
|||
|
|
// set these to true to have the message automatically centered
|
|||
|
|
centerX: true, // <-- only effects element blocking (page block controlled via css above)
|
|||
|
|
centerY: true,
|
|||
|
|
|
|||
|
|
// allow body element to be stetched in ie6; this makes blocking look better
|
|||
|
|
// on "short" pages. disable if you wish to prevent changes to the body height
|
|||
|
|
allowBodyStretch: true,
|
|||
|
|
|
|||
|
|
// enable if you want key and mouse events to be disabled for content that is blocked
|
|||
|
|
bindEvents: true,
|
|||
|
|
|
|||
|
|
// be default blockUI will supress tab navigation from leaving blocking content
|
|||
|
|
// (if bindEvents is true)
|
|||
|
|
constrainTabKey: true,
|
|||
|
|
|
|||
|
|
// fadeIn time in millis; set to 0 to disable fadeIn on block
|
|||
|
|
fadeIn: 200,
|
|||
|
|
|
|||
|
|
// fadeOut time in millis; set to 0 to disable fadeOut on unblock
|
|||
|
|
fadeOut: 400,
|
|||
|
|
|
|||
|
|
// time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
|
|||
|
|
timeout: 0,
|
|||
|
|
|
|||
|
|
// disable if you don't want to show the overlay
|
|||
|
|
showOverlay: true,
|
|||
|
|
|
|||
|
|
// if true, focus will be placed in the first available input field when
|
|||
|
|
// page blocking
|
|||
|
|
focusInput: true,
|
|||
|
|
|
|||
|
|
// suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
|
|||
|
|
applyPlatformOpacityRules: true,
|
|||
|
|
|
|||
|
|
// callback method invoked when fadeIn has completed and blocking message is visible
|
|||
|
|
onBlock: null,
|
|||
|
|
|
|||
|
|
// callback method invoked when unblocking has completed; the callback is
|
|||
|
|
// passed the element that has been unblocked (which is the window object for page
|
|||
|
|
// blocks) and the options that were passed to the unblock call:
|
|||
|
|
// onUnblock(element, options)
|
|||
|
|
onUnblock: null,
|
|||
|
|
|
|||
|
|
// don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493
|
|||
|
|
quirksmodeOffsetHack: 4,
|
|||
|
|
|
|||
|
|
// class name of the message block
|
|||
|
|
blockMsgClass: 'blockMsg'
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// private data and functions follow...
|
|||
|
|
|
|||
|
|
var pageBlock = null;
|
|||
|
|
var pageBlockEls = [];
|
|||
|
|
|
|||
|
|
function install(el, opts) {
|
|||
|
|
var full = (el == window);
|
|||
|
|
var msg = opts && opts.message !== undefined ? opts.message : undefined;
|
|||
|
|
opts = $.extend({}, $.blockUI.defaults, opts || {});
|
|||
|
|
opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
|
|||
|
|
var css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
|
|||
|
|
var themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {});
|
|||
|
|
msg = msg === undefined ? opts.message : msg;
|
|||
|
|
|
|||
|
|
// remove the current block (if there is one)
|
|||
|
|
if (full && pageBlock)
|
|||
|
|
remove(window, {fadeOut:0});
|
|||
|
|
|
|||
|
|
// if an existing element is being used as the blocking content then we capture
|
|||
|
|
// its current place in the DOM (and current display style) so we can restore
|
|||
|
|
// it when we unblock
|
|||
|
|
if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
|
|||
|
|
var node = msg.jquery ? msg[0] : msg;
|
|||
|
|
var data = {};
|
|||
|
|
$(el).data('blockUI.history', data);
|
|||
|
|
data.el = node;
|
|||
|
|
data.parent = node.parentNode;
|
|||
|
|
data.display = node.style.display;
|
|||
|
|
data.position = node.style.position;
|
|||
|
|
if (data.parent)
|
|||
|
|
data.parent.removeChild(node);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$(el).data('blockUI.onUnblock', opts.onUnblock);
|
|||
|
|
var z = opts.baseZ;
|
|||
|
|
|
|||
|
|
// blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
|
|||
|
|
// layer1 is the iframe layer which is used to supress bleed through of underlying content
|
|||
|
|
// layer2 is the overlay layer which has opacity and a wait cursor (by default)
|
|||
|
|
// layer3 is the message content that is displayed while blocking
|
|||
|
|
|
|||
|
|
var lyr1 = ($.browser.msie || opts.forceIframe)
|
|||
|
|
? $('<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>')
|
|||
|
|
: $('<div class="blockUI" style="display:none"></div>');
|
|||
|
|
|
|||
|
|
var lyr2 = opts.theme
|
|||
|
|
? $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>')
|
|||
|
|
: $('<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>');
|
|||
|
|
|
|||
|
|
var lyr3, s;
|
|||
|
|
if (opts.theme && full) {
|
|||
|
|
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:fixed">' +
|
|||
|
|
'<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>' +
|
|||
|
|
'<div class="ui-widget-content ui-dialog-content"></div>' +
|
|||
|
|
'</div>';
|
|||
|
|
}
|
|||
|
|
else if (opts.theme) {
|
|||
|
|
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:absolute">' +
|
|||
|
|
'<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>' +
|
|||
|
|
'<div class="ui-widget-content ui-dialog-content"></div>' +
|
|||
|
|
'</div>';
|
|||
|
|
}
|
|||
|
|
else if (full) {
|
|||
|
|
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>';
|
|||
|
|
}
|
|||
|
|
else {
|
|||
|
|
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>';
|
|||
|
|
}
|
|||
|
|
lyr3 = $(s);
|
|||
|
|
|
|||
|
|
// if we have a message, style it
|
|||
|
|
if (msg) {
|
|||
|
|
if (opts.theme) {
|
|||
|
|
lyr3.css(themedCSS);
|
|||
|
|
lyr3.addClass('ui-widget-content');
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
lyr3.css(css);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// style the overlay
|
|||
|
|
if (!opts.theme && (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform))))
|
|||
|
|
lyr2.css(opts.overlayCSS);
|
|||
|
|
lyr2.css('position', full ? 'fixed' : 'absolute');
|
|||
|
|
|
|||
|
|
// make iframe layer transparent in IE
|
|||
|
|
if ($.browser.msie || opts.forceIframe)
|
|||
|
|
lyr1.css('opacity',0.0);
|
|||
|
|
|
|||
|
|
//$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
|
|||
|
|
var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el);
|
|||
|
|
$.each(layers, function() {
|
|||
|
|
this.appendTo($par);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
if (opts.theme && opts.draggable && $.fn.draggable) {
|
|||
|
|
lyr3.draggable({
|
|||
|
|
handle: '.ui-dialog-titlebar',
|
|||
|
|
cancel: 'li'
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
|
|||
|
|
var expr = setExpr && (!$.boxModel || $('object,embed', full ? null : el).length > 0);
|
|||
|
|
if (ie6 || expr) {
|
|||
|
|
// give body 100% height
|
|||
|
|
if (full && opts.allowBodyStretch && $.boxModel)
|
|||
|
|
$('html,body').css('height','100%');
|
|||
|
|
|
|||
|
|
// fix ie6 issue when blocked element has a border width
|
|||
|
|
if ((ie6 || !$.boxModel) && !full) {
|
|||
|
|
var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
|
|||
|
|
var fixT = t ? '(0 - '+t+')' : 0;
|
|||
|
|
var fixL = l ? '(0 - '+l+')' : 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// simulate fixed position
|
|||
|
|
$.each([lyr1,lyr2,lyr3], function(i,o) {
|
|||
|
|
var s = o[0].style;
|
|||
|
|
s.position = 'absolute';
|
|||
|
|
if (i < 2) {
|
|||
|
|
full ? s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"')
|
|||
|
|
: s.setExpression('height','this.parentNode.offsetHeight + "px"');
|
|||
|
|
full ? s.setExpression('width','jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"')
|
|||
|
|
: s.setExpression('width','this.parentNode.offsetWidth + "px"');
|
|||
|
|
if (fixL) s.setExpression('left', fixL);
|
|||
|
|
if (fixT) s.setExpression('top', fixT);
|
|||
|
|
}
|
|||
|
|
else if (opts.centerY) {
|
|||
|
|
if (full) s.setExpression('top','(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"');
|
|||
|
|
s.marginTop = 0;
|
|||
|
|
}
|
|||
|
|
else if (!opts.centerY && full) {
|
|||
|
|
var top = (opts.css && opts.css.top) ? parseInt(opts.css.top) : 0;
|
|||
|
|
var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"';
|
|||
|
|
s.setExpression('top',expression);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// show the message
|
|||
|
|
if (msg) {
|
|||
|
|
if (opts.theme)
|
|||
|
|
lyr3.find('.ui-widget-content').append(msg);
|
|||
|
|
else
|
|||
|
|
lyr3.append(msg);
|
|||
|
|
if (msg.jquery || msg.nodeType)
|
|||
|
|
$(msg).show();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (($.browser.msie || opts.forceIframe) && opts.showOverlay)
|
|||
|
|
lyr1.show(); // opacity is zero
|
|||
|
|
if (opts.fadeIn) {
|
|||
|
|
var cb = opts.onBlock ? opts.onBlock : noOp;
|
|||
|
|
var cb1 = (opts.showOverlay && !msg) ? cb : noOp;
|
|||
|
|
var cb2 = msg ? cb : noOp;
|
|||
|
|
if (opts.showOverlay)
|
|||
|
|
lyr2._fadeIn(opts.fadeIn, cb1);
|
|||
|
|
if (msg)
|
|||
|
|
lyr3._fadeIn(opts.fadeIn, cb2);
|
|||
|
|
}
|
|||
|
|
else {
|
|||
|
|
if (opts.showOverlay)
|
|||
|
|
lyr2.show();
|
|||
|
|
if (msg)
|
|||
|
|
lyr3.show();
|
|||
|
|
if (opts.onBlock)
|
|||
|
|
opts.onBlock();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// bind key and mouse events
|
|||
|
|
bind(1, el, opts);
|
|||
|
|
|
|||
|
|
if (full) {
|
|||
|
|
pageBlock = lyr3[0];
|
|||
|
|
pageBlockEls = $(':input:enabled:visible',pageBlock);
|
|||
|
|
if (opts.focusInput)
|
|||
|
|
setTimeout(focus, 20);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
center(lyr3[0], opts.centerX, opts.centerY);
|
|||
|
|
|
|||
|
|
if (opts.timeout) {
|
|||
|
|
// auto-unblock
|
|||
|
|
var to = setTimeout(function() {
|
|||
|
|
full ? $.unblockUI(opts) : $(el).unblock(opts);
|
|||
|
|
}, opts.timeout);
|
|||
|
|
$(el).data('blockUI.timeout', to);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// remove the block
|
|||
|
|
function remove(el, opts) {
|
|||
|
|
var full = (el == window);
|
|||
|
|
var $el = $(el);
|
|||
|
|
var data = $el.data('blockUI.history');
|
|||
|
|
var to = $el.data('blockUI.timeout');
|
|||
|
|
if (to) {
|
|||
|
|
clearTimeout(to);
|
|||
|
|
$el.removeData('blockUI.timeout');
|
|||
|
|
}
|
|||
|
|
opts = $.extend({}, $.blockUI.defaults, opts || {});
|
|||
|
|
bind(0, el, opts); // unbind events
|
|||
|
|
|
|||
|
|
if (opts.onUnblock === null) {
|
|||
|
|
opts.onUnblock = $el.data('blockUI.onUnblock');
|
|||
|
|
$el.removeData('blockUI.onUnblock');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var els;
|
|||
|
|
if (full) // crazy selector to handle odd field errors in ie6/7
|
|||
|
|
els = $('body').children().filter('.blockUI').add('body > .blockUI');
|
|||
|
|
else
|
|||
|
|
els = $('.blockUI', el);
|
|||
|
|
|
|||
|
|
if (full)
|
|||
|
|
pageBlock = pageBlockEls = null;
|
|||
|
|
|
|||
|
|
if (opts.fadeOut) {
|
|||
|
|
els.fadeOut(opts.fadeOut);
|
|||
|
|
setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
reset(els, data, opts, el);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// move blocking element back into the DOM where it started
|
|||
|
|
function reset(els,data,opts,el) {
|
|||
|
|
els.each(function(i,o) {
|
|||
|
|
// remove via DOM calls so we don't lose event handlers
|
|||
|
|
if (this.parentNode)
|
|||
|
|
this.parentNode.removeChild(this);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
if (data && data.el) {
|
|||
|
|
data.el.style.display = data.display;
|
|||
|
|
data.el.style.position = data.position;
|
|||
|
|
if (data.parent)
|
|||
|
|
data.parent.appendChild(data.el);
|
|||
|
|
$(el).removeData('blockUI.history');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (typeof opts.onUnblock == 'function')
|
|||
|
|
opts.onUnblock(el,opts);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// bind/unbind the handler
|
|||
|
|
function bind(b, el, opts) {
|
|||
|
|
var full = el == window, $el = $(el);
|
|||
|
|
|
|||
|
|
// don't bother unbinding if there is nothing to unbind
|
|||
|
|
if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
|
|||
|
|
return;
|
|||
|
|
if (!full)
|
|||
|
|
$el.data('blockUI.isBlocked', b);
|
|||
|
|
|
|||
|
|
// don't bind events when overlay is not in use or if bindEvents is false
|
|||
|
|
if (!opts.bindEvents || (b && !opts.showOverlay))
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
// bind anchors and inputs for mouse and key events
|
|||
|
|
var events = 'mousedown mouseup keydown keypress';
|
|||
|
|
b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler);
|
|||
|
|
|
|||
|
|
// former impl...
|
|||
|
|
// var $e = $('a,:input');
|
|||
|
|
// b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// event handler to suppress keyboard/mouse events when blocking
|
|||
|
|
function handler(e) {
|
|||
|
|
// allow tab navigation (conditionally)
|
|||
|
|
if (e.keyCode && e.keyCode == 9) {
|
|||
|
|
if (pageBlock && e.data.constrainTabKey) {
|
|||
|
|
var els = pageBlockEls;
|
|||
|
|
var fwd = !e.shiftKey && e.target === els[els.length-1];
|
|||
|
|
var back = e.shiftKey && e.target === els[0];
|
|||
|
|
if (fwd || back) {
|
|||
|
|
setTimeout(function(){focus(back)},10);
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
var opts = e.data;
|
|||
|
|
// allow events within the message content
|
|||
|
|
if ($(e.target).parents('div.' + opts.blockMsgClass).length > 0)
|
|||
|
|
return true;
|
|||
|
|
|
|||
|
|
// allow events for content that is not being blocked
|
|||
|
|
return $(e.target).parents().children().filter('div.blockUI').length == 0;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
function focus(back) {
|
|||
|
|
if (!pageBlockEls)
|
|||
|
|
return;
|
|||
|
|
var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0];
|
|||
|
|
if (e)
|
|||
|
|
e.focus();
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
function center(el, x, y) {
|
|||
|
|
var p = el.parentNode, s = el.style;
|
|||
|
|
var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth');
|
|||
|
|
var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth');
|
|||
|
|
if (x) s.left = l > 0 ? (l+'px') : '0';
|
|||
|
|
if (y) s.top = t > 0 ? (t+'px') : '0';
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
function sz(el, p) {
|
|||
|
|
return parseInt($.css(el,p))||0;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
})(jQuery);
|