/******************************************************************/
/* This is a modified version designed to be compatible with      */
/* Mootools 1.2. Please see:                                      */
/* http://forum.e-magine.ro/topic/moodal-box-with-mootools-12     */
/******************************************************************/
/* Modified by Rhydian Roberts: www.voidsystems.co.uk/moodalbox   */
/******************************************************************/

/******************************************************************/
/*                        MOOdalBox 1.2.1                         */
/* A modal box (inline popup), used to display remote content     */
/* loaded using AJAX, written for the mootools framework          */
/*         by Razvan Brates, razvan [at] e-magine.ro              */
/******************************************************************/
/*               http://www.e-magine.ro/moodalbox                 */
/******************************************************************/
/*                                                                */
/* MIT style license:                                             */
/* http://en.wikipedia.org/wiki/MIT_License                       */
/*                                                                */
/* mootools found at:                                             */
/* http://mootools.net/                                           */
/*                                                                */
/* Original code based on "Slimbox", by Christophe Beyls:         */
/* http://www.digitalia.be/software/slimbox                       */
/******************************************************************/

// Constants defined here can be changed for easy config / translation
// (defined as vars, because of MSIE's lack of support for const)

var _ERROR_MESSAGE = "Oops.. there was a problem with your request.<br /><br />" +
					"Please try again.<br /><br />" +
					"<em>Click anywhere to close.</em>"; // the error message displayed when the request has a problem
var _RESIZE_DURATION 		= 0; 		// Duration of height and width resizing (ms)
var _INITIAL_WIDTH			= 852;		// Initial width of the box (px)
var _INITIAL_HEIGHT			= 722;		// Initial height of the box (px)
var _CONTENTS_WIDTH 		= 832;		// Actual width of the box (px)
var _CONTENTS_HEIGHT		= 682;		// Actual height of the box (px)
var _DEF_CONTENTS_WIDTH		= 830;		// Default width of the box (px) - used for resetting when a different setting was used
var _DEF_CONTENTS_HEIGHT	= 682;		// Default height of the box (px) - used for resetting when a different setting was used
var _ANIMATE_CAPTION		= false;		// Enable/Disable caption animation
var _EVAL_SCRIPTS			= false;	// Option to evaluate scripts in the response text
var _EVAL_RESPONSE			= false;	// Option to evaluate the whole response text

// The MOOdalBox object in all its beauty
var MOOdalBox = {

    // init the MOOdalBox
    init: function (options) {

        // init default options
        this.options = Object.extend({
            resizeDuration: _RESIZE_DURATION,
            initialWidth: _INITIAL_WIDTH,
            initialHeight: _INITIAL_HEIGHT,
            contentsWidth: _CONTENTS_WIDTH,
            contentsHeight: _CONTENTS_HEIGHT,
            defContentsWidth: _DEF_CONTENTS_WIDTH,
            defContentsHeight: _DEF_CONTENTS_HEIGHT,
            animateCaption: _ANIMATE_CAPTION,
            evalScripts: _EVAL_SCRIPTS,
            evalResponse: _EVAL_RESPONSE
        }, options || {});

        // scan anchors for those opening a MOOdalBox
        this.anchors = [];
        $A($$('a')).each(function (el) {
            // we use a regexp to check for links that 
            // have a rel attribute starting with "moodalbox"
            if (el.rel && el.href && el.rel.test('^moodalbox', 'i')) {
                //el.onclick = this.click.pass(el, this);
                el.addEvent('click', function () {
                    return MOOdalBox.click(el)
                });
                this.anchors.push(el);
            }
        }, this);

        // add event listeners
        this.eventKeyDown = this.keyboardListener.bindWithEvent(this);
        this.eventPosition = this.position.bind(this);

        // init the HTML elements
        // the overlay (clickable to close)
        this.overlay = new Element('div').setProperty('id', 'mb_overlay').injectInside(document.body);
        // the center element
        this.center = new Element('div').setProperty('id', 'mb_center').setStyles({ width: this.options.initialWidth + 'px', height: this.options.initialHeight + 'px', marginLeft: '-' + (this.options.initialWidth / 2) + 'px', display: 'none' }).injectInside(document.body);
        // the actual page contents
        this.contents = new Element('div').setProperty('id', 'mb_contents').injectInside(this.center);
        // the actual page contents
        this.step = 1;


        // the bottom part (caption / close)
        this.bottom = new Element('div').setProperty('id', 'mb_bottom').setStyle('display', 'none').injectInside(document.body);
        this.closelink = new Element('a').setProperties({ id: 'mb_close_link', href: '#' }).injectInside(this.contents);
        this.closelink2btn = new Element('span').setProperty('class','button-grey closelink2btn').injectInside(this.bottom);
        this.closelink2 = new Element('a').setProperties({ id: 'mb_close_link2', href: '#' }).injectInside(this.closelink2btn);
        this.closelink2.set('text', $('moodalboxclose').get('text'));
        this.caption = new Element('div').setProperty('id', 'mb_caption').injectInside(this.bottom);
        // the shadow element
        this.shadowOuter = new Element('div').setProperties({ id: 'md_shadow', 'class': 'shad-right' }).injectInside(this.bottom);
        // the actual page contents
        this.shadowInner = new Element('div').setProperty('class', 'shad-left').injectInside(this.shadowOuter);
        new Element('div').setStyle('clear', 'both').injectInside(this.bottom);

        this.error = new Element('div').setProperty('id', 'mb_error').set('html', _ERROR_MESSAGE);

        // attach the close event to the close button / the overlay
        //this.closelink.onclick = this.overlay.onclick = this.close.bind(this);
        this.closelink.onclick = this.close.bind(this);
        this.closelink2.onclick = this.close.bind(this);

        // init the effects
        var nextEffect = this.nextEffect.bind(this);
        this.fx = {
            overlay: new Fx.Tween(this.overlay, { property: "opacity", duration: 300 }).set(0),
            resize: new Fx.Morph(this.center, $extend({ duration: this.options.resizeDuration, onComplete: nextEffect }, this.options.resizeTransition ? { transition: this.options.resizeTransition} : {})),
            contents: new Fx.Tween(this.contents, { property: "opacity", duration: 500, onComplete: nextEffect }),
            bottom: new Fx.Morph(this.bottom, $extend({ duration: 400, onComplete: nextEffect }, this.options.resizeTransition ? { transition: this.options.resizeTransition} : {}))
        };

    },

    click: function (link) {
        //alert(link.href + ' - ' + link.title + ' - ' + link.rel);
        return this.open(link.href, link.title, link.rel);
    },

    open: function (sLinkHref, sLinkTitle, sLinkRel) {
        this.href = sLinkHref;
        this.title = sLinkTitle;
        this.rel = sLinkRel;
        this.position();
        this.setup(true);
        this.top = Window.getScrollTop() + (Window.getHeight() / 2) - (this.options.contentsHeight / 2) - (this.bottom.getDimensions()['height'] / 2) - 15;
        this.center.setStyles({ top: this.top + 'px', display: '' });
        this.fx.overlay.start(0.5);
        return this.loadContents();
    },

    position: function () {
        this.overlay.setStyles({ top: Window.getScrollTop() + 'px', height: Window.getHeight() + 'px' });
    },

    setup: function (open) {
        var elements = $A($$('object'));
        //elements.extend($$(window.ActiveXObject ? 'select' : 'embed')); .extend is deprecated in mootools 1.3
        elements.append(elements, $$(window.ActiveXObject ? 'select' : 'embed'));
        elements.each(function (el) { el.style.visibility = open ? 'hidden' : ''; });
        var fn = open ? 'addEvent' : 'removeEvent';
        window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
        document[fn]('keydown', this.eventKeyDown);
        this.step = 0;
    },

    loadContents: function () {
        if (this.step) return false;
        this.step = 1;

        // check to see if there are specified dimensions
        // if not, fall back to default values
        var aDim = this.rel.match(/[0-9]+/g);
        this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defContentsWidth;
        this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defContentsHeight;

        this.bottom.setStyles({ opacity: '0', height: '0px', display: 'none' });
        this.center.className = 'mb_loading';

        this.fx.contents.set(0);


        this.iframe = new IFrame({
            src: this.href.toLowerCase(),
            //src: 'http://news.bbc.co.uk/',
            frameborder: '0',
            id: 'modal',
            name: 'modal',
            width: '100%',
            height: '100%',
            events: { load: function () { amendIframe(); } }
        }).injectInside(this.contents).setStyles({ left: '-1000000px', position: 'relative' });

        this.nextEffect();

        return false;
    },

    nextEffect: function () {
        switch (this.step++) {
            case 1:
                // remove scrollbars on main window
                document.html.className = "modal-no-scroll";
                // if an ihero exists on the page, pause it
                if (typeof mySlider != 'undefined') mySlider.pauseIt('mouseover');
                // remove previous styling from the elements 
                // (e.g. styling applied in case of an error)
                //this.center.className = '';
                this.center.setStyle('cursor', 'default');
                this.bottom.setStyle('cursor', 'default');
                this.center.onclick = this.bottom.onclick = '';
                this.caption.set('html', this.title);

                this.contents.setStyles({ width: this.options.contentsWidth + "px", height: this.options.contentsHeight + "px" });

                if (this.center.clientHeight != this.contents.offsetHeight) {
                    this.top = (Window.getHeight() / 2) - (this.options.contentsHeight / 2);
                    this.fx.resize.start({ top: this.top - 1 + 'px', height: this.contents.offsetHeight });
                    break;
                }
                this.step++;

            case 2:
                if (this.center.clientWidth != this.contents.offsetWidth) {
                    this.fx.resize.start({ width: this.contents.offsetWidth, marginLeft: -this.contents.offsetWidth / 2 });
                    break;
                }
                this.step++;

            case 3:
                this.bottom.setStyles({ top: (this.top + this.center.clientHeight)-10 + 'px', width: this.options.contentsWidth + "px", marginLeft: this.center.style.marginLeft, display: '' });
                this.fx.contents.start(1);
                break;

            case 4:
                if (this.options.animateCaption) {
                    this.fx.bottom.start({ opacity: 1, height: this.bottom.scrollHeight });
                    break;
                }
                this.bottom.setStyles({ opacity: '1', height: this.bottom.scrollHeight + 'px' });

            case 5:
                if (Window.getHeight() < 772) {
                    this.center.setStyles({ height: Window.getHeight() - 60 });
                    this.contents.setStyles({ height: Window.getHeight() - 98 });
                    this.fx.resize.start({ top: Window.getScrollTop() + 4, height: Window.getHeight() - 10 });
                    this.bottom.setStyles({ top: Window.getScrollTop() + this.contents.clientHeight + 34 });
                    break;
                }

            case 6:
                if (Window.getWidth() < 850) {
                    this.contents.setStyles({ width: Window.getWidth() - 30 });
                    this.fx.resize.start({ width: Window.getWidth() - 10, marginLeft: -(Window.getWidth() - 10) / 2 });
                    break;
                }

            case 7:
                // Remove and add styles back without 'filter' & 'opacity' styles
                var contentStyles = this.contents.getStyles('visibility', 'width', 'height');
                this.contents.removeProperty('style'); // IE7 needs the 'filter' style removed to render text in ClearType, MooTools doesn't handle this.
                this.contents.setStyles(contentStyles);

                this.step = 0;
        }
    },


    keyboardListener: function (event) {
        // close the MOOdalBox when the user presses CTRL + W, CTRL + X, ESC
        /*if ((event.control && event.key == 'w') || (event.control && event.key == 'x') || (event.key == 'esc')) {
        this.close();
        event.stop();
        }*/
    },

    reload: function (url) {
        var currentUrl;
        if (document.location.href.contains('#')) {
            var reloadUrl = document.location.href.split('#');
            //currentUrl = document.location.href.replace('#','');
            currentUrl = reloadUrl[0];
        } else {
            currentUrl = document.location.href;
        }
        if(typeof url == "undefined"){
            document.location.href = currentUrl;
        } else {
            document.location.pathname = url;
        }
    },

    close: function (url) {
        if (this.step < 0) return false;
        this.step = -1;
        for (var f in this.fx) this.fx[f].cancel();
        this.center.style.display = this.bottom.style.display = 'none';
        this.center.className = 'mb_loading';
        /*this.anchors.each(function(anchor){
        anchor.onclick = 'return false';
        anchor.removeProperty('href');
        anchor.getParent('li').addClass('loading');
        });*/
        //this.fx.overlay.chain(this.setup.pass(false, this)).start(0);
        this.iframe.destroy();
        if(typeof url == "object"){
            this.reload.delay(600);
        } else {
            this.reload(url);
        }
        return false;
    }

};


// ------------------------------------------------
// amendIframe() function called when iframe is loaded
// ------------------------------------------------
// function summary:
// Add modal class to iframe body
// Display iframe
// Attach onbeforeunload event handler to main window
// Execute expander code for iframe issues
//-------------------------------------------------

function amendIframe(){

	modalUrl = MOOdalBox.href.toLowerCase();
    if(modalUrl.contains('http') == false){
        modalUrl = window.location.hostname + modalUrl;
    }
	
	// Check if link is not external
	// If it is then there is no need to amend the iframe body
	if(modalUrl.contains('localhost') || modalUrl.contains('dev.henderson.com') || modalUrl.contains('10.208.193.16') || modalUrl.contains('www.henderson.com')){
		
		var iframe = $('modal');
		iframe.head = null;
		iframe.body = null;
	
		if(iframe.contentDocument){
			// Firefox, Opera
			iframe.head = iframe.contentDocument.head;
			iframe.body = iframe.contentDocument.body;
		} else if (iframe.contentWindow){
			// Internet Explorer
			iframe.head = iframe.contentWindow.document.head;
			iframe.body = iframe.contentWindow.document.body;
		} else if(iframe.document){
			// Others?
			iframe.head = iframe.document.head;
			iframe.body = iframe.document.body;
		}

		iframe.addEvent('domready', function() {
            $(iframe.body).addClass('modal'); // Adds a class of 'modal' to the iframe body to hide things like left nav
            // Make sure everything is hidden by the modal css class before showing the page
		    do { // Nothing
            }
            while($(iframe.body).getElement('#bd').getStyle('paddingTop') != '0px');

            // Then display the iframe (when the iframe is created it is positioned -1000000px to the left of the page so appears to be hidden
            // By setting left:0; brings the page back into the center of the iframe
		    iframe.setStyles({left:'0'}); 
        });
		
		$(iframe.body).getElements('a').each(function(el){
            if(typeof el.onclick != 'function'){
			    if(el.href && el.href.indexOf('.aspx') != -1 && el.target != '_blank' && el.href.indexOf('#') == -1) {
				    el.addEvent('click', modalSubmit);
                }
			} else {
			    if(el.href && el.href.indexOf('.aspx') != -1 && el.target != '_blank' && el.href.indexOf('#') == -1 && el.onclick.toString().indexOf('eBusAJAX') == -1) {
				    el.addEvent('click', modalSubmit);
                }
            }
		});
		
		
        window.onbeforeunload = function(){
			//MOOdalBox.iframe.destroy(); // if the page is reloaded without the iframe being removed, IE throws errors
		};
        
	
	} else { 
		MOOdalBox.iframe.style.left = '0';
	}
	
}