"

From 2010.igem.org

/* from http://tweet.seaofclouds.com/ */ (function($) {

 $.fn.tweet = function(o){
   var s = {
     username: ["seaofclouds"],              // [string]   required, unless you want to display our tweets. :) it can be an array, just do ["username1","username2","etc"]
     list: null,                              //[string]   optional name of list belonging to username
     avatar_size: null,                      // [integer]  height and width of avatar if displayed (48px max)
     count: 3,                               // [integer]  how many tweets to display?
     intro_text: null,                       // [string]   do you want text BEFORE your your tweets?
     outro_text: null,                       // [string]   do you want text AFTER your tweets?
     join_text:  null,                       // [string]   optional text in between date and tweet, try setting to "auto"
     auto_join_text_default: "i said,",      // [string]   auto text for non verb: "i said" bullocks
     auto_join_text_ed: "i",                 // [string]   auto text for past tense: "i" surfed
     auto_join_text_ing: "i am",             // [string]   auto tense for present tense: "i was" surfing
     auto_join_text_reply: "i replied to",   // [string]   auto tense for replies: "i replied to" @someone "with"
     auto_join_text_url: "i was looking at", // [string]   auto tense for urls: "i was looking at" http:...
     loading_text: null,                     // [string]   optional loading text, displayed while tweets load
     query: null                             // [string]   optional search query
   };
   
   if(o) $.extend(s, o);
   
   $.fn.extend({
     linkUrl: function() {
       var returning = [];
       var regexp = /((ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?)/gi;
       this.each(function() {
         returning.push(this.replace(regexp,"<a href=\"$1\">$1</a>"));
       });
       return $(returning);
     },
     linkUser: function() {
       var returning = [];
       var regexp = /[\@]+([A-Za-z0-9-_]+)/gi;
       this.each(function() {
         returning.push(this.replace(regexp,"<a href=\"http://twitter.com/$1\">@$1</a>"));
       });
       return $(returning);
     },
     linkHash: function() {
       var returning = [];
       var regexp = /(?:^| )[\#]+([A-Za-z0-9-_]+)/gi;
       this.each(function() {
         returning.push(this.replace(regexp, ' <a href="http://search.twitter.com/search?q=&tag=$1&lang=all&from='+s.username.join("%2BOR%2B")+'">#$1</a>'));
       });
       return $(returning);
     },
     capAwesome: function() {
       var returning = [];
       this.each(function() {
         returning.push(this.replace(/\b(awesome)\b/gi, '$1'));
       });
       return $(returning);
     },
     capEpic: function() {
       var returning = [];
       this.each(function() {
         returning.push(this.replace(/\b(epic)\b/gi, '$1'));
       });
       return $(returning);
     },
     makeHeart: function() {
       var returning = [];
       this.each(function() {
         returning.push(this.replace(/(<)+[3]/gi, "♥"));
       });
       return $(returning);
     }
   });

   function parse_date(date_str) {
     // The non-search twitter APIs return inconsistently-formatted dates, which Date.parse
     // cannot handle in IE. We therefore perform the following transformation:
     // "Wed Apr 29 08:53:31 +0000 2009" => "Wed, Apr 29 2009 08:53:31 +0000"
     return Date.parse(date_str.replace(/^([a-z]{3})( [a-z]{3} \d\d?)(.*)( \d{4})$/i, '$1,$2$4$3'));
   }

   function relative_time(time_value) {
     var parsed_date = parse_date(time_value);
     var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
     var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
     var pluralize = function (singular, n) {
       return  + n + ' ' + singular + (n == 1 ?  : 's');
     };
     if(delta < 60) {
     return 'less than a minute ago';
     } else if(delta < (60*60)) {
     return 'about ' + pluralize("minute", parseInt(delta / 60)) + ' ago';
     } else if(delta < (24*60*60)) {
     return 'about ' + pluralize("hour", parseInt(delta / 3600)) + ' ago';
     } else {
     return 'about ' + pluralize("day", parseInt(delta / 86400)) + ' ago';
     }
   }

   function build_url() {
     var proto = ('https:' == document.location.protocol ? 'https:' : 'http:');
     if (s.list) {
       return proto+"//api.twitter.com/1/"+s.username[0]+"/lists/"+s.list+"/statuses.json?per_page="+s.count+"&callback=?";
     } else if (s.query == null && s.username.length == 1) {
       return proto+'//api.twitter.com/1/statuses/user_timeline.json?screen_name='+s.username[0]+'&count='+s.count+'&include_rts=1&callback=?';
     } else {
       var query = (s.query || 'from:'+s.username.join(' OR from:'));
       return proto+'//search.twitter.com/search.json?&q='+encodeURIComponent(query)+'&rpp='+s.count+'&callback=?';
     }
   }

   return this.each(function(i, widget){

var list = $('

').appendTo(widget); var intro = '

'+s.intro_text+'

'; var outro = '

'+s.outro_text+'

'; var loading = $('

'+s.loading_text+'

');

     if(typeof(s.username) == "string"){
       s.username = [s.username];
     }

     if (s.loading_text) $(widget).append(loading);
     $.getJSON(build_url(), function(data){
       if (s.loading_text) loading.remove();
       if (s.intro_text) list.before(intro);
       var tweets = (data.results || data);
       $.each(tweets, function(i,item){
         // auto join text based on verb tense and content
         if (s.join_text == "auto") {
           if (item.text.match(/^(@([A-Za-z0-9-_]+)) .*/i)) {
             var join_text = s.auto_join_text_reply;
           } else if (item.text.match(/(^\w+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+) .*/i)) {
             var join_text = s.auto_join_text_url;
           } else if (item.text.match(/^((\w+ed)|just) .*/im)) {
             var join_text = s.auto_join_text_ed;
           } else if (item.text.match(/^(\w*ing) .*/i)) {
             var join_text = s.auto_join_text_ing;
           } else {
             var join_text = s.auto_join_text_default;
           }
         } else {
           var join_text = s.join_text;
         };

         var from_user = item.from_user || item.user.screen_name;
         var profile_image_url = item.profile_image_url || item.user.profile_image_url;
         var join_template = ' '+join_text+' ';
         var join = ((s.join_text) ? join_template : ' ');
         var avatar_template = '<a class="tweet_avatar" href="http://twitter.com/'+from_user+'"><img src="'+profile_image_url+'" height="'+s.avatar_size+'" width="'+s.avatar_size+'" alt="'+from_user+'\'s avatar" title="'+from_user+'\'s avatar" border="0"/></a>';
         var avatar = (s.avatar_size ? avatar_template : );
         var date = '<a href="http://twitter.com/'+from_user+'/statuses/'+item.id+'" title="view tweet on twitter">'+relative_time(item.created_at)+'</a>';
         var text = '' +$([item.text]).linkUrl().linkUser().linkHash().makeHeart().capAwesome().capEpic()[0]+ '';

         // until we create a template option, arrange the items below to alter a tweet's display.

list.append('
• ' + avatar + date + join + text + '
');

         list.children('li:first').addClass('tweet_first');
         list.children('li:odd').addClass('tweet_even');
         list.children('li:even').addClass('tweet_odd');
       });
       if (s.outro_text) list.after(outro);
       $(widget).trigger("loaded").trigger((tweets.length == 0 ? "empty" : "full"));
     });

   });
 };

})(jQuery);