/*!
 * jQuery blockUI plugin
 * Version 2.33 (29-MAR-2010)
 * @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 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, addclass, addCloseButton, onClose) {

        var $m = $('<div class="growlUI"></div>');

        if(addCloseButton)

        {   

            $m.append('<img onclick="$.unblockUI();" src="/WebInterface/jQuery/images/cancel.png" alt="close" class="closeButton" style="margin-right:-2px;margin-top:-9px;" />');

        }

        if (addclass) {

            $m.addClass(addclass);

        }

        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 = 2.33; // 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: '20px',

            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: '10px',

            right: '',

            border: 'none',

            padding: '5px',

            opacity: 0.9,

            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: false, // <-- only effects element blocking (page block controlled via css above)

        centerY: false,



        // 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

    };



    // 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);

        }



        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 = $('<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 blockMsg blockPage ui-dialog ui-widget ui-corner-all" style="z-index:' + z + ';display:none;position:fixed">' +

				'<div class="ui-widget-header ui-dialog-titlebar blockTitle">' + (opts.title || '&nbsp;') + '</div>' +

				'<div class="ui-widget-content ui-dialog-content"></div>' +

			'</div>';

        }

        else if (opts.theme) {

            s = '<div class="blockUI blockMsg blockElement ui-dialog ui-widget ui-corner-all" style="z-index:' + z + ';display:none;position:absolute">' +

				'<div class="ui-widget-header ui-dialog-titlebar blockTitle">' + (opts.title || '&nbsp;') + '</div>' +

				'<div class="ui-widget-content ui-dialog-content"></div>' +

			'</div>';

        }

        else if (full) {

            s = '<div class="blockUI blockMsg blockPage" style="z-index:' + z + ';display:none;position:fixed"></div>';

        }

        else {

            s = '<div class="blockUI blockMsg blockElement" style="z-index:' + z + ';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.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 || $('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);

        }
		positionElement($(opts.message));

    };

	
	function positionElement(el)
	{
		if(!el || el.length==0){return false;}
		el = el.parent() || el;
		if(!el || el.length==0 || !el.position){return false;}
		if(el.find("div.growlUI").length>0 || el.find("div.renamePanel").length>0)
		{
			el.css("position","fixed");
		}
		else
		{
			var position = el.position();
			var top = position.top;
			top += $(document).scrollTop();		
			el.css('top',top + 'px');
		}
	}

    // 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



        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) {          

        /*if(data && data.el && data.el.id && data.el.id == "browserFileUpload")

        {

            data.el.style.display = data.display;

            data.el.style.position = data.position;            

            if (typeof opts.onUnblock == 'function')

            opts.onUnblock(el, opts);

            return;   

        }*/

        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;

                }

            }

        }

        // allow events within the message content

        if ($(e.target).parents('div.blockMsg').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);