source: Dev/trunk/src/client/dojox/form/MultiComboBox.js

define([
        "dojo/_base/kernel",
        "dijit/form/ValidationTextBox",
        "dijit/form/ComboBoxMixin",
        "dojo/_base/declare"
], function(kernel, ValidationTextBox, ComboBoxMixin, declare){
kernel.experimental("dojox.form.MultiComboBox");

return declare("dojox.form.MultiComboBox", [ValidationTextBox, ComboBoxMixin],{
        // summary:
        //              A ComboBox that accepts multiple inputs on a single line

        // delimiter: String
        //              The character to use to separate items in the ComboBox input
        delimiter: ",",

        _previousMatches: false,

        _setValueAttr: function(value){
                if(this.delimiter && value.length != 0){
                        value = value+this.delimiter+" ";
                        arguments[0] = this._addPreviousMatches(value);
                }
                this.inherited(arguments);
        },

        _addPreviousMatches: function(/*String*/ text){
                if(this._previousMatches){
                        if(!text.match(new RegExp("^"+this._previousMatches))){
                                text = this._previousMatches+text;
                        }
                        text = this._cleanupDelimiters(text);
                }
                return text; // String
        },

        _cleanupDelimiters: function(/*String*/ text){
                if(this.delimiter){
                        text = text.replace(new RegExp("  +"), " ");
                        text = text.replace(new RegExp("^ *"+this.delimiter+"* *"), "");
                        text = text.replace(new RegExp(this.delimiter+" *"+this.delimiter), this.delimiter);
                }
                return text;
        },

        _autoCompleteText: function(/*String*/ text){
                arguments[0] = this._addPreviousMatches(text);
                this.inherited(arguments);
        },

        _startSearch: function(/*String*/ text){
                text = this._cleanupDelimiters(text);
                var re = new RegExp("^.*"+this.delimiter+" *");

                if((this._previousMatches = text.match(re))){
                        arguments[0] = text.replace(re, "");
                }
                this.inherited(arguments);
        }
});
});