source: Dev/trunk/src/client/dijit/form/Textarea.js

define([
        "dojo/_base/declare", // declare
        "dojo/dom-style", // domStyle.set
        "./_ExpandingTextAreaMixin",
        "./SimpleTextarea"
], function(declare, domStyle, _ExpandingTextAreaMixin, SimpleTextarea){

        // module:
        //              dijit/form/Textarea

        return declare("dijit.form.Textarea", [SimpleTextarea, _ExpandingTextAreaMixin], {
                // summary:
                //              A textarea widget that adjusts it's height according to the amount of data.
                //
                // description:
                //              A textarea that dynamically expands/contracts (changing it's height) as
                //              the user types, to display all the text without requiring a scroll bar.
                //
                //              Takes nearly all the parameters (name, value, etc.) that a vanilla textarea takes.
                //              Rows is not supported since this widget adjusts the height.


                // TODO: for 2.0, rename this to ExpandingTextArea, and rename SimpleTextarea to TextArea

                baseClass: "dijitTextBox dijitTextArea dijitExpandingTextArea",

                // Override SimpleTextArea.cols to default to width:100%, for backward compatibility
                cols: "",

                buildRendering: function(){
                        this.inherited(arguments);

                        // tweak textarea style to reduce browser differences
                        domStyle.set(this.textbox, { overflowY: 'hidden', overflowX: 'auto', boxSizing: 'border-box', MsBoxSizing: 'border-box', WebkitBoxSizing: 'border-box', MozBoxSizing: 'border-box' });
                }
        });
});