/*
* jQuery blockUI plugin
* Version 2.23 (21-JUN-2009)
* @requires jQuery v1.2.3 or later
*
* Examples at: http://malsup.com/jquery/block/
* Copyright (c) 2007-2008 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 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;
$.blockUI = function(opts) { install(window, opts); };
$.unblockUI = function(opts) { remove(window, opts); };
$.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
});
};
$.fn.block = function(opts) {
return this.unblock({ fadeOut: 0 }).each(function() {
if ($.css(this, 'position') == 'static')
this.style.position = 'relative';
if ($.browser.msie)
this.style.zoom = 1; // force 'hasLayout'
install(this, opts);
});
};
$.fn.unblock = function(opts) {
return this.each(function() {
remove(this, opts);
});
};
$.blockUI.version = 2.23; // 2nd generation blocking at no extra cost!
$.blockUI.defaults = {
message: '<h1>Please wait...</h1>',
css: {
padding: 0,
margin: 0,
width: '30%',
top: '40%',
left: '35%',
textAlign: 'center',
color: '#000',
border: '3px solid #aaa',
backgroundColor: '#fff',
cursor: 'wait'
},
overlayCSS: {
backgroundColor: '#000',
opacity: 0.6,
cursor: 'wait'
},
growlCSS: {
width: '350px',
top: '10px',
left: '',
right: '10px',
border: 'none',
padding: '5px',
opacity: 0.6,
cursor: null,
color: '#fff',
backgroundColor: '#000',
'-webkit-border-radius': '10px',
'-moz-border-radius': '10px'
},
iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',
forceIframe: false,
baseZ: 1000,
centerX: true, // <--only effects element blocking (page block controlled via css above)
centerY: true,
allowBodyStretch: true,
bindEvents: true,
constrainTabKey: true,
fadeIn: 200,
fadeOut: 400,
timeout: 0,
showOverlay: true,
focusInput: true,
applyPlatformOpacityRules: true,
onUnblock: null,
quirksmodeOffsetHack: 4
};
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 || {});
msg = msg === undefined ? opts.message : msg;
if (full && pageBlock)
remove(window, { fadeOut: 0 });
if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
var node = msg.jquery ? msg[0] : msg;
var data = {};
$(el).data('blockUI.history', data);
data.el = node;
data.parent = node.parentNode;
data.display = node.style.display;
data.position = node.style.position;
if (data.parent)
data.parent.removeChild(node);
}
var z = opts.baseZ;
var lyr1 = ($.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 = $('<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 = full ? $('<div class="blockUI blockMsg blockPage" style="z-index:'+z+';display:none;position:fixed"></div>')
: $('<div class="blockUI blockMsg blockElement" style="z-index:'+z+';display:none;position:absolute"></div>');
if (msg)
lyr3.css(css);
if (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform)))
lyr2.css(opts.overlayCSS);
lyr2.css('position', full ? 'fixed' : 'absolute');
if ($.browser.msie || opts.forceIframe)
lyr1.css('opacity', 0.0);
$([lyr1[0], lyr2[0], lyr3[0]]).appendTo(full ? 'body' : el);
var expr = setExpr && (!$.boxModel || $('object,embed', full ? null : el).length > 0);
if (ie6 || expr) {
if (full && opts.allowBodyStretch && $.boxModel)
$('html,body').css('height', '100%');
if ((ie6 || !$.boxModel) && !full) {
var t = sz(el, 'borderTopWidth'), l = sz(el, 'borderLeftWidth');
var fixT = t ? '(0-'+t+')' : 0;
var fixL = l ? '(0-'+l+')' : 0;
}
$.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);
}
});
}
if (msg) {
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) {
if (opts.showOverlay)
lyr2._fadeIn(opts.fadeIn);
if (msg)
lyr3.fadeIn(opts.fadeIn);
}
else {
if (opts.showOverlay)
lyr2.show();
if (msg)
lyr3.show();
}
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) {
var to = setTimeout(function() {
full ? $.unblockUI(opts) : $(el).unblock(opts);
}, opts.timeout);
$(el).data('blockUI.timeout', to);
}
};
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
var els = full ? $('body').children().filter('.blockUI') : $('.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);
};
function reset(els, data, opts, el) {
els.each(function(i, o) {
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);
$(data.el).removeData('blockUI.history');
}
if (typeof opts.onUnblock == 'function')
opts.onUnblock(el, opts);
};
function bind(b, el, opts) {
var full = el == window, $el = $(el);
if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
return;
if (!full)
$el.data('blockUI.isBlocked', b);
if (!opts.bindEvents || (b && !opts.showOverlay))
return;
var events = 'mousedown mouseup keydown keypress';
b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler);
};
function handler(e) {
if (e.keyCode && e.keyCode == 9) {
if (pageBlock && e.data.constrainTabKey) {
var els = pageBlockEls;
var fwd = !e.shiftKey && e.target == els[els.length-1];
var back = e.shiftKey && e.target == els[0];
if (fwd || back) {
setTimeout(function() { focus(back) }, 10);
return false;
}
}
}
if ($(e.target).parents('div.blockMsg').length > 0)
return true;
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);