/* Add Google Analytics stuff… */
if ( !document.cookie.match( /.*ga_status=off.*/g ) ) {
	var _gaq = _gaq || [];
	_gaq.push(['_setAccount', 'UA-8292154-1']);
	_gaq.push(['_gat._anonymizeIp']);
	_gaq.push(['_trackPageview']);
	(function() {
	var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
	ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
	var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
	})();
}


/**
 * This function is called when the requested sets of data are filtered. For
 * example only show series, ...
 *
 * \param  mediatype  mediatype for which it is filtered
 **/
function onResultFilter( mediatype ) {

	// set tabs for sorting
	if (mediatype == 'recordings') {
		$('#pagetitle').text('Suchergebnisse Aufzeichnungen');
		addTab('alph', 'Alphabetisch', 
				"sortResults(function(a, b) { return lexCompare(a.title, b.title); })");
		addTab('chrono', 'Chronologisch', 
				"sortResults(function(a, b) { return lexCompare(b.date, a.date); })");
		addTab('series', 'Veranstaltung', 
				"sortResults(function(a, b) { return lexCompare(a.series, b.series); })");

	} else if (mediatype == 'series') {
		$('#pagetitle').text('Suchergebnisse Veranstaltungen');
		addTab('alph', 'Alphabetisch',
				"sortResults(function(a, b) { return lexCompare(a.title, b.title); })");
		addTab('chrono_up', 'Semester ⬆',
				"sortResults(function(a, b) { return lexCompare(parseInt(a.term_id), parseInt(b.term_id)); })");
		addTab('chrono_down', 'Semester ⬇',
				"sortResults(function(a, b) { return lexCompare(parseInt(b.term_id), parseInt(a.term_id)); })");

	} else if (mediatype == 'lecturer') {
		$('#pagetitle').text('Suchergebnisse Personen');
		addTab('alph_up', 'Alphabetisch ⬆',
				"sortResults(function(a, b) { return lexCompare(a.name, b.name); })");
		addTab('alph_down', 'Alphabetisch ⬇',
				"sortResults(function(a, b) { return lexCompare(b.name, a.name); })");
		addTab('academy', 'Akademie',
				"sortResults(function(a, b) { return lexCompare(firstProp(a.academy), firstProp(b.academy)); })");
		addTab('series', 'Fachbereich',
				"sortResults(function(a, b) { return lexCompare(firstProp(a.department), firstProp(b.department)); })");

	} else if (mediatype == 'podcast') {
		$('#pagetitle').text('Suchergebnisse Podcasts');
		addTab('alph_up', 'Alphabetisch ⬆',
				"sortResults(function(a, b) { return lexCompare(a.title, b.title); })");
		addTab('alph_down', 'Alphabetisch ⬇',
				"sortResults(function(a, b) { return lexCompare(b.title, a.title); })");
		addTab('chrono_up', 'Semester ⬆',
				"sortResults(function(a, b) { return lexCompare(parseInt(a.term_id), parseInt(b.term_id)); })");
		addTab('chrono_down', 'Semester ⬇',
				"sortResults(function(a, b) { return lexCompare(parseInt(b.term_id), parseInt(a.term_id)); })");
	}

	// do initial sorting

	if ( mediatype == 'series' ) {
		activateTab('chrono_down');
		sortResults(function(a, b) { return lexCompare(parseInt(b.term_id), parseInt(a.term_id)); })
	}
	if ( mediatype == 'lecturer' ) {
		activateTab('alph_up');
		sortResults(function(a, b) { return lexCompare(a.name, b.name); })
	}
	if ( mediatype == 'recordings' ) {
		activateTab('chrono');
		sortResults(function(a, b) { return lexCompare(parseInt(b.term_id), parseInt(a.term_id)); })
	}
	if ( mediatype == 'podcast' ) {
		activateTab('chrono_down');
		sortResults(function(a, b) { return lexCompare(parseInt(b.term_id), parseInt(a.term_id)); })
	}

}


/*******************************************************************************
 * Called after new content is loaded into the page
 ******************************************************************************/
function onContentLoaded() {
	// Set error message if no data is available for the given request
	if ( !$('#content').html() )
		loadTemplate( 'error.tpl',
				{ 'title' : 'Es tut uns leid...', 'msg' : 'Es konnten keine Daten '
					+ 'zu Ihrer Suchanfrage gefunden werden.' },
					setContent );

}


/*******************************************************************************
 * Special positioning of the footer
 ******************************************************************************/
$( document ).ready( function() { 
	var x = $( window ).height() - $( '#header' ).outerHeight() 
		- $( '#footer' ).outerHeight() - 30; 
	$( '#main' ).css( 'min-height', x + 'px' ); 
} );


/*******************************************************************************
 * (De-)activate Google Analytics
 ******************************************************************************/
function toggleGoogleAnalytics() {
	if ( document.cookie.match( /.*ga_status=off.*/g ) ) {
		document.cookie = 'ga_status=on';
	} else {
		document.cookie = 'ga_status=off; Expires=Wed, 09 Jun 2021 10:18:14 GMT';
	}
	$( '.gadeactivate' ).html( googleAnalyticsStatus() 
			? 'deaktivieren' : 'aktivieren' );
}

/*******************************************************************************
 * Get status of Google Analytics (Is it activated or not)
 ******************************************************************************/
function googleAnalyticsStatus() {
	return !document.cookie.match( /.*ga_status=off.*/g );
}

/*******************************************************************************
 * Add a track point to Google Analytics.
 ******************************************************************************/
function addGoogleAnalyticsTrackpoint( name ) {
	if ( _gaq && name ) {
		_gaq.push([ '_trackPageview', name ]);
	}
}