/**
 * @author dberhane
 */
/* All BMJ Group custom jQuery functions should be added here */

$(function(){ /* A jQuery Google Analytics extensions which adds support for outbound links, mailto and downloads */
    $('a').click(function(){
    
        var $a = $(this);
        var href = $a.attr('href');
        
        if (href.match(/^\/cgi\/powerpoint/)) { /* HighWire specific to track powerpoint downloads */
            href = href + ".ppt";
        }
        
        var hrefArray = href.split('.');
        var extension = hrefArray[hrefArray.length - 1];
        
        var fileTypes = ['doc', 'zip', 'xls', 'ppt', 'xml', 'pdf', 'mp3'];
        
        // see if the link is external
        if ((href.match(/^http/)) && (!href.match(document.domain))) {
        
            // if so, register an event
            var category = 'outgoing'; // set this to whatever you want
            var event = 'click'; // set this to whatever you want
            var label = href; // set this to whatever you want
            pageTracker._trackEvent(category, event, href);
        }
        
        // see if the link is mailto
        if (href.match(/^mailto/)) {
        
            // if so, register an event
            var category = 'mailto'; // set this to whatever you want
            var event = 'click'; // set this to whatever you want
            var label = href; // set this to whatever you want
            pageTracker._trackEvent(category, event, href);
        }
        
        // for type downloads
        if ($.inArray(extension, fileTypes) != -1) {
        
            pageTracker._trackEvent('download', extension, href);
        }
        
    });
    
})


/* A function which populates a search form-field with a default text for thehe Group and local site search (Added by D. Berhane) */
/* The first parameter is a selector (for BMJ Group search, it is "#groupSearchGadget" ), the second parameter is the default value of that input element (e.g. " Search all BMJ Products"). */


function populateElement(selector, defvalue){
    if ($.trim($(selector).val()) == "") {
        $(selector).val(defvalue);
    }
    
    $(selector).focus(function(){
        if ($(selector).val() == defvalue) {
            $(selector).val("");
        }
    });
    
    $(selector).blur(function(){
        if ($.trim(jQuery(selector).val()) == "") {
            $(selector).val(defvalue);
        }
    });
};


/* A function which open a pop-up window for OOP registration when the there is a refrence 'rel="external" with the A tag'  */

function popUp(){

    $('A[rel="external"]').click(function(){
        window.open($(this).attr('href'), '', 'status=yes,scrollbars=yes,resizable=yes,width=700,height=550');
        return false;
    });
    
}

/* a custom made flowplayer for video and audio */

function mediaplayer(media, player, autoplay){

    if (media == "video") {
        mtrack = "Video";
        mdisplay = true;
    }
    else {
        mtrack = "Audio";
        mdisplay = false;
    }
    
    
    if (!player) {
        player = "#player";
    }
    
    if (autoplay) {
        mauto = true;
    }
    else {
        mauto = false;
    }
    
    $(player).flowplayer("http://group.bmj.com/media/flowplayer/flowplayer-3.1.0.swf", {
    
    
        plugins: {
            controls: {
                fullscreen: mdisplay
            }
        },
        
        
        clip: {
            autoPlay: mauto,
            onBegin: function(clip){
                pageTracker._trackEvent("Video", "Start", clip.url);
            },
            
            onResume: function(clip){
                pageTracker._trackEvent("Video", "Resume", clip.url);
            },
            
            // track pause event for this clip. time (in seconds) is also tracked       
            onPause: function(clip){
                pageTracker._trackEvent("Video", "Pause", clip.url, parseInt(this.getTime()));
            },
            
            // track stop event for this clip. time is also tracked        
            onStop: function(clip){
                pageTracker._trackEvent("Video", "Stop", clip.url, parseInt(this.getTime()));
            },
            
            // track finish event for this clip        
            onFinish: function(clip){
                pageTracker._trackEvent("Video", "Finish", clip.url);
            }
        }
    });
    
}



/* A function to deploy cross domain widgets */
function widget(options){
    /* Define all default widget parameters */
    var default_args = {
        'url': "http://www.bmj.com/rss/recent.xml",
        'section': "none",
        'source': "no",
        'category': "all",
        'track': "widget_bmjblogs",
        'title': "Latest from BMJ",
        'subject': "all",
        'style': "bmj",
        'desc_len': "0",
        'display_source': "yes",
        'display_content': "no",
        'widget': "feeds-widget1",
        'jurl': "http://group.bmj.com/feed2json/index.php", /* default JSON feed URL */
        'target': "_self",
        'podcastlogo': "http://group.bmj.com/repository/images/flowplayer-generic-image.jpg",
        'expandplayer': "no",
        'num_items': "5"
    }
    
    this.default_args = default_args;
    
    this.options = options;
    
    /* If a user does not define any of the widget parameters, use the default define above */
    for (var index in this.default_args) {
    
        if (typeof this.options[index] == "undefined") 
            this.options[index] = this.default_args[index];
        
    }
    
    
    $.ajax({
        url: this.options['jurl'],
        data: "url=" + this.options['url'] + "&desc_len=" + this.options['desc_len'] + "&subject=" + this.options['subject'] + "&category=" + this.options['category'] + "&widget_title=" + this.options['widget_title'] + "&style=" + this.options['style'] + "&source=" + this.options['source'] + "&display_content=" + this.options['display_content'] + "&display_source=" + this.options['display_source'] + "&track=" + this.options['track'] + "&target=" + this.options['target'] + "&num_items=" + this.options['num_items'] + "&section=" + this.options['section'] + "&enclink=" + this.options['enclink'] + "&enclength=" + this.options['enclength'] + "&encltype=" + this.options['encltype'] + "&podcastlogo=" + this.options['podcastlogo'] + "&expandplayer=" + this.options['expandplayer'] + "&widget=" + this.options['widget'] + "&callback=bmjcallback1",
        cache: true,
        dataType: "script",
        success: bmjcallback1 = function(data){
        
        
            if (data) {

      			// console.log(data.feedhead[0].expandplayer);
	                 
                $('div#' + data.feedhead[0].widget).empty(); /* Replace the default widget Markup done for SEO */
                $('div#' + data.feedhead[0].widget).append('<h2>' + data.feedhead[0].widget_title + '</h2>');
                
                
                /* BMJ Group XHTML markup for styling the feed content */
                
                $('div#' + data.feedhead[0].widget).addClass(data.feedhead[0].style);
                $('div#' + data.feedhead[0].widget).append('<ul class="StandardBullet">');
                               
                $.each(data.items, function(i, item){
                                    
                    if (i < data.feedhead[0].num_items) {
                    
                        feed_html = '<li class="rss-item">';
                        
                        if (item.source == "no") {
                        
                        
                            if (item.section.length > 0) {
                                feed_html += ' ' + '<span class="sect1">' + item.section + ':' + '</span>' + ' ';
                            }
                        }
                        else {
                        
                            if ((item.source != undefined) && (data.feedhead[0].display_source != "none")) {
                                feed_html += ' ' + '<span class="sect1">' + item.source + ':' + '</span>' + ' ';
                            }
                            
                        }
                        
                        
                        
                        feed_html += ' ' + '<span class="title1"><a href="' + item.link + '" target="' + data.feedhead[0].target + '">' + item.title + '<\/a>' + '</span>' + ' ';
                        
                        if (item.date) {
                            feed_html += '<span class="date">' + "(" + item.date + ")" + '</span>';
                            
                        }
                        
                        if (item.author) {
                            feed_html += '<span class="author">' + "(" + item.author + ")" + '</span>';
                            
                        }
                        
                        if (data.feedhead[0].desc_len == "all") {
                        
                            feed_html += '<div class="feedDesc">' + item.description + '</div>';
                        }
                        
                        else 
                            if (item.description != "" && data.feedhead[0].desc_len > 50) { // display description markup if enough content
                                trunc = item.description.substring(0, data.feedhead[0].desc_len);
                                trunc = trunc.replace(/\w+$/, '');
                                
                                
                                feed_html += '<div class="feedDesc">' + trunc + '...</div>';
                                
                                if (data.feedhead[0].display_content == "yes") {
                                
                                    ulink = item.link.match(/[^\?]+/);
                                    
                                    feed_html += '<div class="feedDesc" style="display: none">' + item.content + '<div class="postmetadata alt"><div class="category">Posted in <a rel="category tag" title="View all posts in Students" href="http://blogs.bmj.com/bmj/category/students/">Students</a>.</div><div class="email"><div class="button"><a rel="nofollow" title="Email This Post" href="' + ulink + 'email/">Email This Post</a></div></div><div class="response"><div class="button"><a href="' + ulink + '#comments" class="response">Comments</a></div></div><div class="respond"><div class="button"><a href="' + ulink + '#respond" class="respond">Respond</a><p>&nbsp;</p></div></div></div></div><br/>';
                                    
                                    $(".title1 a").live("click", function(){
                                    
                                        $(this).parent().siblings('.feedDesc').toggle("slow");
                                        return false;
                                    });
                                }
                                
                                
                            }
                        
                        
                        if (item.encltype == "audio/mpeg") {
                        
                            feed_html += '<a class="player"  href="' + item.enclink + '"  style="display:block;width:155px;height:20px; margin-bottom:8px;"><img src="http://group.bmj.com/media/movies/Masterclasses/play_small.png" alt="BMJ podcast"/></a>';
                            
                        }
                        
                        feed_html += '</li>';
                        
                        $('div#' + data.feedhead[0].widget + ' ul').append(feed_html);
                    }
                });
                
                
                $('div#' + data.feedhead[0].widget + ' ul a.player').live("click", function(){ /* insert flowplayer */
                    flowplayer(this, "http://group.bmj.com/media/flowplayer/flowplayer-3.1.0.swf", {
                    
                        plugins: {
                            controls: {
                                play: true,
                                volume: false,
                                mute: false,
                                time: true,
                                stop: false,
                                playlist: false,
                                scrubber: true,
                                //  bottom: 4,
                                fullscreen: true,
                                
                                // custom colors 
                                bufferColor: '#006990',
                                progressColor: '#009AF6',
                                buttonColor: '#009AF6',
                                buttonOverColor: '#FF00FF',
                                tooltipColor: '#009AF6',
                                
                                //  width: 180,
                                height: 20
                            }
                        },
                        
                        playlist: [{
                            url: data.feedhead[0].podcastlogo,
                            scaling: 'orig'
                        }, {
                            url: $(this).attr("href"),
                            autoPlay: true,
                            autoBuffering: false
                        }],
                        
                        
                        clip: {
                            autoPlay: true,
                            // autoBuffering: false, 
                            // track start event for this clip   
                            
                            onBegin: function(clip){
                                pageTracker._trackEvent("Audio", "Start", clip.url);
                            },
                            
                            onResume: function(clip){
                                pageTracker._trackEvent("Audio", "Resume", clip.url);
                            },
                            
                            // track pause event for this clip. time (in seconds) is also tracked       
                            onPause: function(clip){
                                pageTracker._trackEvent("Audio", "Pause", clip.url, parseInt(this.getTime()));
                            },
                            
                            // track stop event for this clip. time is also tracked        
                            onStop: function(clip){
                                pageTracker._trackEvent("Audio", "Stop", clip.url, parseInt(this.getTime()));
                            },
                            
                            // track finish event for this clip        
                            onFinish: function(clip){
                                pageTracker._trackEvent("Audio", "Finish", clip.url);
                            }
                        }
                    
                    
                    });
               
				   /* For expandable flowplayer with branded logo */
                    if (data.feedhead[0].expandplayer =="yes") {
                    	$(this).addClass("expandplayer");

	                    $("#"+data.feedhead[0].widget+" ul li a").click(function(){
                    
    	                    $(this).parents("li").siblings("li").children("a").removeClass("expandplayer");
        	                $(this).addClass("expandplayer");
            	            //console.log(current);		    
                    });
                    }
                    
                    $f(this).load();
                    
                    return false
                });
                
            }
        }
    });
}



/* A function to deploy cross domain widgets */
function tabbedwidget(options){
    /* Define all default widget parameters */
    
    var default_args = {
        'url': "http://www.bmj.com/rss/recent.xml",
        'section': "none",
        'source': "no",
        'category': "all",
        'track': "widget_bmjblogs",
        'title': "Latest from BMJ",
        'subject': "all",
        'style': "bmj",
        'desc_len': "0",
        'display_source': "yes",
        'widget': "tabbed-widget",
        'jurl': "http://group.bmj.com/feed2json/index.php", /* default JSON feed URL */
        'target': "_self",
        'num_items': "5"
    }
    
    
    
    this.default_args = default_args;
    
    this.options = options;
    
    /* If a user does not define any of the widget parameters, use the default define above */
    for (var index in this.default_args) {
    
        if (typeof this.options[index] == "undefined") 
            this.options[index] = this.default_args[index];
        
    }
    
    
    $.ajax({
        url: this.options['jurl'],
        data: "url=" + this.options['url'] + "&desc_len=" + this.options['desc_len'] + "&subject=" + this.options['subject'] + "&category=" + this.options['category'] + "&widget_title=" + this.options['widget_title'] + "&style=" + this.options['style'] + "&source=" + this.options['source'] + "&display_source=" + this.options['display_source'] + "&track=" + this.options['track'] + "&target=" + this.options['target'] + "&num_items=" + this.options['num_items'] + "&section=" + this.options['section'] + "&enclink=" + this.options['enclink'] + "&enclength=" + this.options['enclength'] + "&encltype=" + this.options['encltype'] + "&widget=" + this.options['widget'] + "&callback=bmjcallback3",
        cache: true,
        dataType: "script",
        success: bmjcallback3 = function(data){
        
            if (data) {
                if (options.wbox == 1) { /* for 1 column tabbed widgets */
                    $('div#tabbed-widget').addClass(data.feedhead[0].style);
                    $('div#' + data.feedhead[0].widget).empty(); /* Replace the default widget Markup done for SEO */
                    //                $('div#' + options.widget).append('<h2>' + options.widget_title + '</h2>');
                    
                    
                    /* BMJ Group XHTML markup for styling the feed content */
                    
                    //                $('div#' + options.widget).addClass(options.style);
                    $('div#' + data.feedhead[0].widget).append('<ul class="StandardBullet">');
                    
                    $.each(data.items, function(i, item){
                    
                        if (i < data.feedhead[0].num_items) {
                        
                            feed_html = '<li class="rss-item">';
                            
                            if (item.source == "none" || item.source == "undefined" || item.source == "none" || item.source == "no") {
                            
                                if (item.section.length > 0) {
                                    feed_html += ' ' + '<span class="sect1">' + item.section + ':' + '</span>' + ' ';
                                }
                            }
                            else {
                                if ((item.source != undefined) && (data.feedhead[0].display_source != "none")) {
                                    feed_html += ' ' + '<span class="sect1">' + item.source + ':' + '</span>' + ' ';
                                }
                                
                            }
                            
                            
                            feed_html += ' ' + '<span class="title1"><a href="' + item.link + '" target="' + data.feedhead[0].target + '">' + item.title + '<\/a>' + '</span>' + ' ';
                            
                            if (item.date) {
                                feed_html += '<span class="date">' + "(" + item.date + ")" + '</span>';
                            }

	                        if (item.author) {
        	                    feed_html += '<span class="author">' + "(" + item.author + ")" + '</span>';                
            	            }

						   if (data.feedhead[0].desc_len =="all"){

								feed_html += '<div class="feedDesc">' + item.description + '</div>';
							}
                            
                            else if (item.description != "" && data.feedhead[0].desc_len > 50) { // display description markup if enough content
                                trunc = item.description.substring(0, data.feedhead[0].desc_len);
                                trunc = trunc.replace(/\w+$/, '');
                                
                                
                                feed_html += '<div class="feedDesc">' + trunc + '...</div>';
                            }
                            
                            if (item.encltype == "audio/mpeg") {
                            
                                feed_html += '<br/><a class="player"  href="' + item.enclink + '"  style="display:block;width:155px;height:26px;"><img src="http://group.bmj.com/media/movies/Masterclasses/play_small.png" alt="BMJ podcast"/></a>';
                                
                            }
                            
                            feed_html += '</li>';
                            
                            $('div#' + data.feedhead[0].widget + ' ul.StandardBullet').append(feed_html);
                        }
                    });
                    
                }
                else { /* For HW based BMJJ home page widgets */
                    $('div#' + data.feedhead[0].widget).empty(); /* Replace the default widget Markup done for SEO */
                    /* BMJ Group XHTML markup for styling the feed content */
                    
                    $('div#' + data.feedhead[0].widget).addClass(data.feedhead[0].style);
                    $('div#' + data.feedhead[0].widget).append('<div class="latestbox1">');
                    $('div#' + data.feedhead[0].widget).append('<div class="latestbox2">');
                    
                    $.each(data.items, function(i, item){
                    
                        if (i < data.feedhead[0].num_items) {
                            feed_html = '<div class="feeditem">';
                            
                            if (item.source == "none" || item.source == "undefined" || item.source == "none" || item.source == "no") {
                            
                                if (item.section.length > 0) {
                                    feed_html += ' ' + '<span class="sect1">' + item.section + ':' + '</span>' + ' ';
                                }
                            }
                            else {
                            
                                if ((item.source != undefined) && (data.feedhead[0].display_source != "none")) {
                                    feed_html += ' ' + '<span class="sect1">' + item.source + ':' + '</span>' + ' ';
                                }
                            }
                            
                            feed_html += ' ' + '<span class="title1"><a href="' + item.link + '" target="' + data.feedhead[0].target + '">' + item.title + '<\/a>' + '</span>' + ' ';
                            
                            if (item.date) {
                                feed_html += '<span class="date">' + "(" + item.date + ")" + '</span>';
                            }

	                        if (item.author) {
        	                    feed_html += '<span class="author">' + "(" + item.author + ")" + '</span>';                
            	            }

						   if (data.feedhead[0].desc_len =="all"){

								feed_html += '<div class="feedDesc">' + item.description + '</div>';
							}
                            
                            else if (item.description != "" && data.feedhead[0].desc_len > 50) { // display description markup if enough content
                                trunc = item.description.substring(0, data.feedhead[0].desc_len);
                                trunc = trunc.replace(/\w+$/, '');
                                
                                
                                feed_html += '<div class="feedDesc">' + trunc + '...</div>';
                            }
                            
                            if (item.encltype == "audio/mpeg") {
                                feed_html += '<br/><a class="player"  href="' + item.enclink + '"><img src="http://group.bmj.com/media/movies/Masterclasses/play_small.png" alt="BMJ podcast"/></a>';
                            }
                            
                            
                            feed_html += '</div>';
                            
                            
                            if (i < 10) {
                                $('div#' + data.feedhead[0].widget + ' div.latestbox1').append(feed_html);
                            }
                            else {
                                $('div#' + data.feedhead[0].widget + ' div.latestbox2').append(feed_html);
                            }
                            
                        }
                    });
                    
                }
                $('div#' + data.feedhead[0].widget + ' ul a.player').live("click", function(){ /* insert flowplayer */
                    flowplayer(this, "http://group.bmj.com/media/flowplayer/flowplayer-3.1.0.swf", {
                    
                        plugins: {
                            controls: {
                                play: true,
                                volume: false,
                                mute: false,
                                time: true,
                                stop: false,
                                playlist: false,
                                scrubber: true,
                                bottom: 4,
                                fullscreen: false,
                                width: 155,
                                height: 60
                            }
                        },
                        
                        clip: {
                            autoPlay: true,
                            // autoBuffering: false, 
                            // track start event for this clip        
                            onStart: function(clip){
                                pageTracker._trackEvent("Audio", "Play", clip.url);
                            },
                            
                            // track pause event for this clip. time (in seconds) is also tracked       
                            onPause: function(clip){
                                pageTracker._trackEvent("Audio", "Pause", clip.url, parseInt(this.getTime()));
                            },
                            
                            // track stop event for this clip. time is also tracked        
                            onStop: function(clip){
                                pageTracker._trackEvent("Audio", "Stop", clip.url, parseInt(this.getTime()));
                            },
                            
                            // track finish event for this clip        
                            onFinish: function(clip){
                                pageTracker._trackEvent("Audio", "Finish", clip.url);
                            }
                        }
                    
                    });
                    
                    $f(this).load();
                    
                    return false
                });
                
            }
        }
    });
    
}