jQuery Forum

function string_replace(haystack, find, sub) {
    return haystack.split(find).join(sub);
}
String.prototype.parseHashtag = function() {
	return this.replace(/[#]+[A-Za-z0-9-_]+/g, function(t) {
		var tag = t.replace("#","#");
		return t.link("http://search.twitter.com/search?q="+tag);
	});
};
String.prototype.parseUsername = function() {
	return this.replace(/[@]+[A-Za-z0-9-_]+/g, function(u) {
		var username = u.replace("@","");
		return u.link("http://twitter.com/"+username);
	});
};

function tweetEntry(item) {
    var text = item.text;
    var match = /(http|https)://(w+:{0,1}w*@)?(S+)(:[0-9]+)?(/|/([w#!:.?+=&%@!-/]))?/.exec(text);
    if (match) {
	text = string_replace(item.text, match[0], '<a href="'+ match[0] + '" target="_blank">' + match[0] + '</a>');
    }

    // @replies and #hashtags
    text = text.parseHashtag();
    text = text.parseUsername();
    
    var res = "<div class='entry'>"
	+ "<div class='username'>"
	+ "<a href='http://twitter.com/"+item.from_user+"' target='_blank'>"
	+ "<img src='"+item.profile_image_url+"' width='56' height='56' align='left' style='padding:0px 15px 23px 5px' border='0'/>"
	+ " "+item.from_user+"</a>"
	+ "</div>"
	+ "<div class='text'>"+text+"</div>"
	+ "<div class='date'>"+formatTime(item.created_at)+"</div>"
	+ "</div>";
    return res;
}

function noResults(search_term) {
    var res = "<div class='entry'>"
	+ "<div class='no_results'>"
	+ "no matching results for '"+ search_term +"'..."
	+ "</div>"
	+ "</div>";
    return res;
}

function formatTime(time){
    var now  = new Date(), then = new Date(time);
    var diff = now - then,
    sec  = 1000,
    min  = sec  * 60,
    hour = min  * 60,
    day  = hour * 24,
    week = day  * 7;
    
    if(isNaN(diff) || diff < 0){
	return "";
    }
    if(diff < sec * 7){
	return "right now";
    }
    if(diff < min){
	return Math.floor(diff / sec) + " seconds ago";
    }
    if(diff < min * 2){
	return "about 1 minute ago";
    }
    if(diff < hour){
	return Math.floor(diff / min) + " minutes ago";
    }
    if(diff < hour * 2){
	return "about 1 hour ago";
    }
    if(diff < day){
	return Math.floor(diff / hour) + " hours ago";
    }
    if(diff > day && diff < day * 2){
	return "yesterday";
    }
    if(diff < day * 365){
	return Math.floor(diff / day) + " days ago";
    } else {
	return "over a year ago";
    }
}

function getLang() {    
    var lang = navigator.language;
if (navigator.language) {
    lang = navigator.language;
} else {
    lang = navigator.browserLanguage;
}
}

function addHashes(words) {
    var temp = new Array();
    for (var w in words) {	
	temp.push("#" + words[w]);
    }
    return temp;
}

function handleSuggestions2(data) {
    //var base_url = "http://search.twitter.com/search.json?callback=?&lang="+getLang()+"&q=";
    var base_url = "http://search.twitter.com/search.json?callback=?&q=";

    var the_words = new Array();
    var search_term = data[0]+' jobs';

    $("#searchfield").autocomplete(
    	{ source: the_words.slice(0,4)
    	});

    if (the_words.length == 0) {
	renderGeist("", search_term);
	$.get(base_url + encodeURIComponent(search_term),
    	      { rpp: 100
    	      },
    	      function(data) {
		  if (!data.error) {		  
		      $("#main").empty();
    		      if (data.results.length > 0) {
    			  for(var i in data.results) {
    			      $("#main").append(tweetEntry(data.results[i]));
    			  }
    		      } else {		      
    			  $("#main").append(noResults(search_term));		      
		      }
		  }
    	      }, "json");
    } else {
	renderGeist(the_words[0], search_term);
	$.get(base_url + encodeURIComponent(search_term +' OR '+ the_words[0]),
    	      { rpp: 100
    	      },
    	      function(data) {
		  if (!data.error) {
		      $("#main").empty();
    		      if (data.results.length > 0) {
    			  for (var i in data.results) {
    			      $("#main").append(tweetEntry(data.results[i]));
    			  }
    		      } else {
			  $("#main").append(noResults(search_term));		      
		      }
		  }
    	      }, "json");
    }
}

function suggestedTerms(term) {
    var suggest_url = "http://suggestqueries.google.com/complete/search?hl="+getLang()+"&cp=1&hjson=t&jsonp=?&q=";

    $.getJSON(suggest_url + term, handleSuggestions2);
}

function instantTwitter(event) {
    var search_term = encodeURIComponent($("#searchfield").val());
    if (search_term.length > 0) {
	// get suggested search terms
	suggestedTerms(search_term);
    } else {
	$("#geist").empty();
    }
}

function renderGeist(word, search_term) {
    var len = search_term.length;
    if (search_term.toLowerCase() == word.substr(0,len).toLowerCase()) {	
	var leng = search_term.length;
	var temp_word = word.slice(leng);
	var final_word = search_term + temp_word;
	$("#geist").text(final_word);
    } else {
	$("#geist").text("");
     }
 }

 $(document).ready(
     function() {

	 $("#about_lnk").click(
	     function() {				  
		 $("#dialog").dialog();
	     });
	 //$("#message").slideDown("slow").delay(7000).slideUp("slow");
	 $("#searchfield").focus();
	 $("#searchfield").submit(instantTwitter);
	 $("#searchfield").keyup(instantTwitter);
    }
);