/**
*
* UTF-8 data encode / decode
* http://www.webtoolkit.info/
*
**/

var Utf8 = {

    // public method for url encoding
    encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // public method for url decoding
    decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while ( i < utftext.length ) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }

}

function loadUsers(){
        var searchresults = $("searchresults");
	var elem = $("SearchText");
	var search = elem.value;
	setStyle(searchresults,{'display':'block'});
        var url = "quickSearch";
	if(search.length>0){
		var d = loadJSONDoc(url,{'SearchableText':search});
	        var gotMetadata = function (meta) {
	        	var users = meta.rs;
			var benutzerliste = $("suchergebnisse");
	                replaceChildNodes(benutzerliste,null);
                        if( users.length > 0 )
                        {
                            forEach(users, function (user) {
	                        var newList = A({'href':user['Link'],'id':user['Link']},LI(null, Utf8.decode(user['Titel'])) );
	 			appendChildNodes(benutzerliste,newList);
	        	    });
                        }
                        else
                        {
                            	var newList = LI(null, "Keine passenden Objekte gefunden.");
	 			appendChildNodes(benutzerliste,newList);
                        }
                        var newList = A({'href':"/RechtsAltertuemer/content/suche/index_html_ext"}, "Erweiterte Suche...");
	 	        appendChildNodes(benutzerliste,newList);
	        };

	        var metadataFetchFailed = function (err){
	        };

	        d.addCallbacks(gotMetadata, metadataFetchFailed);
	}
	else{
		setStyle(searchresults,{'display':'none'})
	}


}

addLoadEvent(function () {
        var elem = $("SearchText");
	connect(elem, 'onkeyup', 
    		function(e) {
			e.preventDefault();        		
			var key = e.key();
			loadUsers();
    		});
});