source: Dev/trunk/src/client/dojox/mobile/bidi/TextBox.js

define([
        "dojo/_base/declare",
        "dijit/_BidiSupport"  //load implementation for textDir from dijit (for editable widgets), (no direct references)
], function(declare){

        // module:
        //              dojox/mobile/bidi/TextBox

        return declare(null, {
                // summary:
                //              Support for control over text direction for mobile TextBox widget.
                // description:
                //              Implementation for text direction using HTML "dir" attribute (used for editable widgets).
                //              This class should not be used directly.
                //              Mobile TextBox widget loads this module when user sets "has: {'dojo-bidi': true }" in data-dojo-config.
                _setTextDirAttr: function(/*String*/ textDir){
                        if(!this._created || this.textDir != textDir){
                                this._set("textDir", textDir);
                                if(this.value){
                                        this.applyTextDir(this.focusNode || this.textbox);
                                }
                                else{
                                        this.applyTextDir(this.focusNode || this.textbox, this.textbox.getAttribute("placeholder"));
                                }
                        }
                },

                _setDirAttr: function(/*String*/ dir){
                        if(!(this.textDir && this.textbox)){
                                this.dir = dir;
                        }
                },

                _onBlur: function(e){
                        this.inherited(arguments);
                        if(!this.textbox.value){
                                this.applyTextDir(this.textbox, this.textbox.getAttribute("placeholder"));
                        }
                },

                _onInput: function(e){
                        this.inherited(arguments);
                        if(!this.textbox.value){
                                this.applyTextDir(this.textbox, this.textbox.getAttribute("placeholder"));
                        }
                }
        });
});