/* ----------------------------------------------------------------------------------------- 
____________________________________________________________________

@Project - Bar Camp Chennai
@Description: Site for BarCamp Chennai / Vol. 4 - TKF, Thomas
@Author: Mustafa Quilon / Zahab
@Author URI: http://mustafaquilon.com / http://thisiszahab.com
@Version: 1.0
____________________________________________________________________

----------------------------------------------------------------------------------------- */

jQuery.noConflict();

// tipsy
(function($) {
    $.fn.tipsy = function(options) {

        options = $.extend({}, $.fn.tipsy.defaults, options);
        
        return this.each(function() {
            
            var opts = $.fn.tipsy.elementOptions(this, options);
            
            $(this).hover(function() {

                $.data(this, 'cancel.tipsy', true);

                var tip = $.data(this, 'active.tipsy');
                if (!tip) {
                    tip = $('<div class="tipsy"><div class="tipsy-inner"/></div>');
                    tip.css({position: 'absolute', zIndex: 100000});
                    $.data(this, 'active.tipsy', tip);
                }

                if ($(this).attr('title') || typeof($(this).attr('original-title')) != 'string') {
                    $(this).attr('original-title', $(this).attr('title') || '').removeAttr('title');
                }

                var title;
                if (typeof opts.title == 'string') {
                    title = $(this).attr(opts.title == 'title' ? 'original-title' : opts.title);
                } else if (typeof opts.title == 'function') {
                    title = opts.title.call(this);
                }

                tip.find('.tipsy-inner')[opts.html ? 'html' : 'text'](title || opts.fallback);

                var pos = $.extend({}, $(this).offset(), {width: this.offsetWidth, height: this.offsetHeight});
                tip.get(0).className = 'tipsy'; // reset classname in case of dynamic gravity
                tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).appendTo(document.body);
                var actualWidth = tip[0].offsetWidth, actualHeight = tip[0].offsetHeight;
                var gravity = (typeof opts.gravity == 'function') ? opts.gravity.call(this) : opts.gravity;

                switch (gravity.charAt(0)) {
                    case 'n':
                        tip.css({top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}).addClass('tipsy-north');
                        break;
                    case 's':
                        tip.css({top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}).addClass('tipsy-south');
                        break;
                    case 'e':
                        tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}).addClass('tipsy-east');
                        break;
                    case 'w':
                        tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}).addClass('tipsy-west');
                        break;
                }

                if (opts.fade) {
                    tip.css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: 0.8});
                } else {
                    tip.css({visibility: 'visible'});
                }

            }, function() {
                $.data(this, 'cancel.tipsy', false);
                var self = this;
                setTimeout(function() {
                    if ($.data(this, 'cancel.tipsy')) return;
                    var tip = $.data(self, 'active.tipsy');
                    if (opts.fade) {
                        tip.stop().fadeOut(function() { $(this).remove(); });
                    } else {
                        tip.remove();
                    }
                }, 100);

            });
            
        });
        
    };
    
    // Overwrite this method to provide options on a per-element basis.
    // For example, you could store the gravity in a 'tipsy-gravity' attribute:
    // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
    // (remember - do not modify 'options' in place!)
    $.fn.tipsy.elementOptions = function(ele, options) {
        return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
    };
    
    $.fn.tipsy.defaults = {
        fade: false,
        fallback: '',
        gravity: 'n',
        html: false,
        title: 'title'
    };
    
    $.fn.tipsy.autoNS = function() {
        return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
    };
    
    $.fn.tipsy.autoWE = function() {
        return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
    };
    
})(jQuery);

/* Inititalize */

jQuery(document).ready(function() {
	
	//Settings to open links in a new window. Do not use target="blank" in the mark-up. Instead just give a class of external
	jQuery("a.external").click(function() {
		return !window.open(jQuery(this).attr("href"));
	});
	
	//Odd tables
	jQuery("table tbody tr:odd").addClass("alt");
		
	// Settings for the Top Link
	jQuery('.top').click(function(){
     jQuery('html, body').animate({scrollTop: '0px'}, 300);
     return false;
});
	
	// Tooltips Settings
	jQuery('.tooltipNorth').tipsy({gravity: 's', fade: true});
	jQuery('.tooltipSouth').tipsy({gravity: 'n', fade: true});
	jQuery('.tooltipEast').tipsy({gravity: 'w', fade: true});
	jQuery('.tooltipWest').tipsy({gravity: 'e', fade: true});
	
	//image opacity animation
	jQuery('.animate').animate({ "opacity" : 0.75 });	
	jQuery('.animate').hover(function() {
			jQuery(this).stop().animate({ "opacity" : 1 });
		}, function() {
			jQuery(this).stop().animate({ "opacity" : 0.75 });
		});
		
	//image opacity animation alternate
	jQuery('.animateAlt').animate({ "opacity" : 1 });	
	jQuery('.animateAlt').hover(function() {
			jQuery(this).stop().animate({ "opacity" : 0.75 });
		}, function() {
			jQuery(this).stop().animate({ "opacity" : 1 });
		});
	
	// Track Click Event
	jQuery('a').click(function () {
	var thisel = $(this);
	try
	{
		_gaq.push(['_trackEvent', thisel.parents().andSelf().filter('[id!=""]:first').get(0).id, 'clicked', (thisel.text() || thisel.children('img:first').attr('alt'))]);
	}
	catch (err) {}
	});

	
});