// $Id$

/**
 * Add MathJax support to HTML using settings variables defined in the module
 */
(function ($) {
  Drupal.behaviors.mathjax = {
    attach: function(context, settings) { // include mathjax only after setting variables are defined
      var mathjax = Drupal.settings.mathjax;
    
      // from http://www.mathjax.org/resources/docs/?dynamic.html
      var script = document.createElement("script");
      script.type = "text/javascript";

  if (mathjax.path=='cdn') {
    script.src  = "https://d3eoax9i5htok0.cloudfront.net/mathjax/1.1-latest/MathJax.js";
    // script.src  = "http://cdn.mathjax.org/mathjax/latest/MathJax.js"; // unsafe clear connection
  }
  else {
      script.src = mathjax.path;
  }
    
      var config = 'MathJax.Hub.Config({' +
                     'extensions: ["tex2jax.js"],' +
                     'jax: ["input/TeX","output/HTML-CSS"],' +
                     'tex2jax: {' +
                       'inlineMath: [ [\'$\',\'$\'], [\'\\\\(\',\'\\\\)\'] ],' +  // look for $...$ and \(...\) as delimiters for inline math
                       'displayMath: [ [\'$$\',\'$$\'], [\'\\\\[\',\'\\\\]\'] ],' + // look for $$...$$ and \[...\] as delimiters for display math
                       'processEscapes: true' +
                     '}' +
                   '});' +
                   'MathJax.Hub.Startup.onload();';
    
      if (window.opera) {script.innerHTML = config}
                   else {script.text = config}
    
      document.getElementsByTagName("head")[0].appendChild(script);
    }
  };
})(jQuery);
;

/**
 * @file
 * Adds some show/hide to the admin form to make the UXP easier.
 *
 */
(function($){
  Drupal.behaviors.video = {
    attach: function (context, settings) {
      //lets see if we have any jmedia movies
      if($.fn.media) {
        $('.jmedia').media();
      }
	
      video_hide_all_options();
      $("input[name='video_convertor']").change(function() {
        video_hide_all_options();
      });

      // change metadata options
      video_hide_all__metadata_options();
      $("input[name='video_metadata']").change(function() {
        video_hide_all__metadata_options();
      });

      $('.video_select').each(function() {
        var ext = $(this).attr('rel');
        $('select', this).change(function() {
          if($(this).val() == 'video_play_flv') {
            $('#flv_player_'+ext).show();
          } else {
            $('#flv_player_'+ext).hide();
          }
          if($(this).val() == 'video_play_html5') {
            $('#html5_player_'+ext).show();
          } else {
            $('#html5_player_'+ext).hide();
          }
        });
        if($('select', this).val() == 'video_play_flv')
          $('#flv_player_'+ext).show();
        
        if($('select', this).val() == 'video_play_html5')
          $('#html5_player_'+ext).show();
        else
          $('#html5_player_'+ext).hide();
      });
	
      if(settings.video) {
        $.fn.media.defaults.flvPlayer = settings.video.flvplayer;

      }
	
      //lets setup our colorbox videos
      $('.video-box').each(function() {
        var url = $(this).attr('href');
        var data = $(this).metadata();
        var width = data.width;
        var height= data.height;
        var player = settings.video.player; //player can be either jwplayer or flowplayer.
        $(this).colorbox({
          html: '<a id="video-overlay" href="'+url+'" style="height:'+height+'; width:'+width+'; display: block;"></a>',
          onComplete:function() {
            if(player == 'flowplayer') {
              flowplayer("video-overlay", settings.video.flvplayer, {
                clip: {
                  autoPlay: settings.video.autoplay,
                  autoBuffering: settings.video.autobuffer
                }
              });
            } else {
              $('#video-overlay').media({
                flashvars: {
                  autostart: settings.video.autoplay
                },
                width:width,
                height:height
              });
            }
          }
        });
      });
    }
  };
  
  Drupal.behaviors.videoEdit = function(context){
    // on change of the thumbnails when edit
    $(".video-thumbnails input").each(function() {
      var path = $(this).val();
      if($(this).is(':checked')) {
        var holder = $(this).attr('rel');
        var id = $(this).attr('id');
        var src = $('label[for="'+id+'"]').find('img').attr('src');
        $('.'+holder+' img').attr('src', src);
      }
    });
  }


  function video_hide_all_options() {
    $("input[name='video_convertor']").each(function() {
      var id = $(this).val();
      $('#'+id).hide();
      if ($(this).is(':checked')) {
        $('#' + id).show();
      }
    });
  }
  
  function video_hide_all__metadata_options() {
    $("input[name='video_metadata']").each(function() {
      var id = $(this).val();
      $('#'+id).hide();
      if ($(this).is(':checked')) {
        $('#' + id).show();
      }
    });
  }
})(jQuery);;