// ankunft neue musik global js

$(document).ready(function(){

// article slideshow
  $('.imgbox').carousel({
    slider: '.slider',
    slide: '.slide',
    nextSlide: '.next',
    prevSlide: '.prev',
    speed: 300
  });

// scroll to ...
  $('body#festival ul#festivalsubnav a').anchorScroll();

// layout fixes
  $('a').focus(function() {
      $(this).blur();
  });

 $('#datelisting ul li:nth-child(6n)').css('margin-right','0');  

// slideshow
    $.each($('ul.slider'), function(index, value) {
      var v = $(value);
      var children = v.children();
      if (children.length < 2) {
        v.next('ul.slidecontrols').hide();
      }
    });
// fancyzoom
  $(".fancybox").fancybox({
        openEffect  : 'none',
        closeEffect  : 'none',
        prevEffect  : 'fade',
        nextEffect  : 'fade',
        helpers  : {              
            title  : {
                type: 'inside'
              },
              overlay  : {
                opacity : 0.5,
                css : { 'background-color' : '#000' }
      }
    }
  });
  
});

// additional plugins

/*
 * jQuery Backstretch
 * Version 1.1.2
 * http://srobbin.com/jquery-plugins/jquery-backstretch/
 *
 * Add a dynamically-resized background image to the page
 *
 * Copyright (c) 2010 Scott Robbin (srobbin.com)
 * Dual licensed under the MIT and GPL licenses.
*/
(function(a){a.backstretch=function(k,i,l){function m(c){try{f={left:0,top:0};d=e.width();b=d/j;if(b>=e.height()){g=(b-e.height())/2;h.centeredY&&a.extend(f,{top:"-"+g+"px"})}else{b=e.height();d=b*j;g=(d-e.width())/2;h.centeredX&&a.extend(f,{left:"-"+g+"px"})}a("#backstretch img").width(d).height(b).css(f)}catch(n){}typeof c=="function"&&c()}var h={centeredX:true,centeredY:true,speed:0},e="onorientationchange"in window?a(document):a(window),j,d,b,g,f;i&&typeof i=="object"&&a.extend(h,i);a(document).ready(function(){if(k){var c= a("<div />").attr("id","backstretch").css({left:0,top:0,position:"fixed",overflow:"hidden",zIndex:-9999}),n=a("<img />").css({position:"relative",display:"none"}).bind("load",function(o){var p=a(this);j=a(o.target).width()/a(o.target).height();m(function(){p.fadeIn(h.speed,function(){typeof l=="function"&&l()})})}).appendTo(c);a("body").prepend(c);n.attr("src",k);a(window).resize(m)}});return this}})(jQuery);

// anchor scroll
(function($){
    $.fn.anchorScroll = function(options) {
        var defaults = {
            speed: 800,
            fx: "jswing"
        };
        //var version =  "1.0";
        var options = $.extend(defaults, options);
        return $(this).each(function(){
            var element = this;


            $(element).click(function (event) {

                var locationHref = window.location.href;
                var elementClick = $(element).attr("href");

                var destination = $(elementClick).offset().top;

                $("html,body").animate({ scrollTop: destination}, options.speed,  options.fx);

                //Stop links default events
                event.preventDefault();
                return false;
            })
        })
    }
})(jQuery);

// slider https://github.com/Wilto/Dynamic-Carousel
(function($){
  $.fn.carousel = function(config) {
    carousel = {
      roundDown : function(leftmargin) {
        var leftmargin = parseInt(leftmargin, 10);

        return Math.ceil( (leftmargin - (leftmargin % 100 ) ) / 100) * 100;
      },
      transitionSupport : function() {
        var dStyle = document.body.style;

        return dStyle.webkitTransition !== undefined ||
            dStyle.mozTransition !== undefined ||
            dStyle.msTransition !== undefined ||
            dStyle.oTransition !== undefined ||
            dStyle.transition !== undefined;
      },
      move : function($slider, moveTo) {
        if( carousel.transitionSupport() ) {
          $slider.css('marginLeft', moveTo + "%");
        } else {
          $slider.animate({ marginLeft: moveTo + "%" }, opt.speed);
        }
      }
    };
    var defaults = {
      slider: '.slider',
      slide: '.slide',
      prevSlide: '.prev',
      nextSlide: '.next',
      speed: 500
    },
    opt = $.extend(defaults, config),
    nextPrev = function($slider, dir) {
      var leftmargin = ( $slider ) ? $slider.attr('style').match(/margin\-left:(.*[0-9])/i) && parseInt(RegExp.$1) : 0,

        $slide = $slider.find(opt.slide),
        constrain = dir === 'prev' ? leftmargin != 0 : -leftmargin < ($slide.length - 1) * 100,
        $target = $( '[href="#' + $slider.attr('id') + '"]');

      if (!$slider.is(":animated") && constrain ) {

        if ( dir === 'prev' ) {
          leftmargin = ( leftmargin % 100 != 0 ) ? carousel.roundDown(leftmargin) : leftmargin + 100;
        } else {
          leftmargin = ( ( leftmargin % 100 ) != 0 ) ? carousel.roundDown(leftmargin) - 100 : leftmargin - 100;
        }

        carousel.move($slider, leftmargin);
        $target.removeClass('disabled');

        switch( leftmargin ) {
          case ( -($slide.length - 1) * 100 ):
            $target.filter(opt.nextSlide).addClass('disabled');
            break;
          case 0:
            $target.filter(opt.prevSlide).addClass('disabled');
            break;
        }
      } else {
        var reset = carousel.roundDown(leftmargin);

        carousel.move($slider, reset);
      }
    };

    $(opt.nextSlide + ',' + opt.prevSlide).click(function(e) {
      var $el = $(this),
        link = $el.attr('href'),
        dir = ( $el.is(opt.prevSlide) ) ? 'prev' : 'next',
        $slider = $(link);

        if ( $el.is('.disabled') ) {
          return false;
        }

        nextPrev($slider, dir);

      e.preventDefault();
    });
    $(opt.prevSlide).addClass('disabled');

    //swipes trigger move left/right
    $(this).live( "dragSnap", function(e, ui){
      var $slider = $(this).find( opt.slider ),
        dir = ( ui.direction === "left" ) ? 'next' : 'prev';

      nextPrev($slider, dir);
    });

    return this.each(function() {
      var $wrap = $(this),
        $slider = $wrap.find(opt.slider),
        $slide = $wrap.find(opt.slide),
        slidenum = $slide.length,
        speed = opt.speed / 1000;

      $wrap.css({
        overflow: "hidden",
        width: "100%"
      });

      $slider.css({
        marginLeft: "0px",
        float: "left",
        width: 100 * slidenum + "%",
        "-webkit-transition": "margin-left " + speed + "s ease",
        "-moz-transition": "margin-left " + speed + "s ease",
        "-ms-transition": "margin-left " + speed + "s ease",
        "-o-transition": "margin-left " + speed + "s ease",
        "transition": "margin-left " + speed + "s ease"
      });

      $slide.css({
        float: "left",
        width: (100 / slidenum) + "%"
      });
    });
  };


  $.event.special.dragSnap = {
    setup: function() {
      var $el = $(this);

      $el
        .bind("touchstart", function(e) {
          var data = e.originalEvent.touches ? e.originalEvent.touches[0] : e,
            start = {
              time: (new Date).getTime(),
              coords: [ data.pageX, data.pageY ],
              origin: $(e.target).closest('.slidewrap')
            },
            stop,
            $tEl = $(e.target).closest('.slider'),
            currentPos = ( $tEl.attr('style') != undefined ) ? $tEl.attr('style').match(/margin\-left:(.*[0-9])/i) && parseInt(RegExp.$1) : 0;

          function moveHandler(e) {
            if(!start) {
              return;
            }

            var data = e.originalEvent.touches ? e.originalEvent.touches[0] : e;

            stop = {
                time: (new Date).getTime(),
                coords: [ data.pageX, data.pageY ]
            };

            $tEl.css({"margin-left": currentPos + ( ( (stop.coords[0] - start.coords[0]) / start.origin.width() ) * 100 ) + '%' });

            // prevent scrolling
            if (Math.abs(start.coords[0] - stop.coords[0]) > 10) {
              e.preventDefault();
            }
          };

          $el
            .bind("touchmove", moveHandler)
            .one("touchend", function(e) {

              $el.unbind("touchmove", moveHandler);

              if (start && stop) {

                if (Math.abs(start.coords[0] - stop.coords[0]) > 10) {
                  e.preventDefault();
                }

                if (Math.abs(start.coords[0] - stop.coords[0]) > 1 && Math.abs(start.coords[1] - stop.coords[1]) < 75) {
                  var left = start.coords[0] > stop.coords[0];

                if( -( stop.coords[0] - start.coords[0]) > ( start.origin.width() / 4 ) || ( stop.coords[0] - start.coords[0]) > ( start.origin.width() / 4 ) ) {

                  start.origin.css("marginLeft", 0).trigger("dragSnap", {direction: left ? "left" : "right"});

                  } else {
                    var currentPos = ( $tEl.attr('style') != undefined ) ? $tEl.attr('style').match(/margin\-left:(.*[0-9])/i) && parseInt(RegExp.$1) : 0,
                      leftmargin = (left === false) ? carousel.roundDown(currentPos) - 100 : carousel.roundDown(currentPos);

                    carousel.move($tEl, leftmargin);
                  }

                }
              }
              start = stop = undefined;
            });
        });
    }
  };
})(jQuery);