Autocompleter.DWR = Class.create();
Autocompleter.DWR.prototype = Object.extend(new Autocompleter.Base(), {
	initialize: function(element, update, populator, options) {
	    this.baseInitialize(element, update, options);
	    this.options.array = new Array(0);
	    this.populator = populator;
	    if (this.options.afterUpdateElement ) {
	        this.afterUpdateCallback = this.options.afterUpdateElement;
	        this.options.afterUpdateElement = this.afterUpdateElement.bind(this);
	    }
	},

	//
	getUpdatedChoices: function() {
		this.populator(this, this.getToken()); //
	},

	afterUpdateElement: function(element,selectedElement) {
	    this.afterUpdateCallback(element, selectedElement,this.options.array[this.index]);
	},

	//
	setChoices: function(array) {
	    this.options.array = array;
	    this.updateChoices(this.options.selector(this));
	},

	setOptions: function(options) {
	    this.options = Object.extend({
	        choices: 12,
	        partialSearch: true,
	        partialChars: 1,
	        ignoreCase: true,
	        fullSearch: false,
	        selector: function(instance) {
	            var ret       = []; //
	            var partial   = []; //
	            var entry     = instance.getToken();
	            var count     = 0;
			    var valueSelector = instance.options.valueSelector;
				
			    for (var i = 0; i < instance.options.array.length && ret.length < instance.options.choices ; i++) {

			    	var elem = valueSelector(instance.options.array[i]);
			    	var foundPos = instance.options.ignoreCase ?
			    			elem.toLowerCase().indexOf(entry.toLowerCase()) :elem.indexOf(entry);

			    	while (foundPos != -1) {
			    		if (foundPos == 0 && elem.length != entry.length) {
			    			ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" + elem.substr(entry.length) + "</li>");
			    			break;
			    		} 
			    		else if (entry.length >= instance.options.partialChars &&
			    				instance.options.partialSearch && foundPos != -1) {
			    			if (instance.options.fullSearch || 
			    					/\s/.test(elem.substr(foundPos-1,1))) {
			    				partial.push("<li>" + elem.substr(0, foundPos) + 
			    						"<strong>" +
			    						elem.substr(foundPos, entry.length) + "</strong>" + 
			    						elem.substr(
			    								foundPos + entry.length) + "</li>");
			    				break;
			    			}
			    		}

			    		foundPos = instance.options.ignoreCase ?
			    				elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos 
			    						+ 1) :
			    							elem.indexOf(entry, foundPos + 1);

			    	}
			    }
			    if (partial.length)
			    	ret = ret.concat(partial.slice(0, instance.options.choices - 
			    			ret.length));
			    //			
			    			
			    //var sttring = "<ul>" + ret.join('') + "</ul>";
			    //sttring = sttring.replace(";", "<code>");
			    //sttring = sttring.replace(",", "</code>");
			    //alert(sttring);
			    return "<ul>" + ret.join('') + "</ul>";
	       	},
	       
	       	valueSelector: function(object){ return object; }
	     }, options || {});
	   }
	});