source: Dev/trunk/src/client/dojox/mobile/Button.js

define([
        "dojo/_base/array",
        "dojo/_base/declare",
        "dojo/dom-class",
        "dojo/dom-construct",
        "dijit/_WidgetBase",
        "dijit/form/_ButtonMixin",
        "dijit/form/_FormWidgetMixin",
        "dojo/has",
        "dojo/has!dojo-bidi?dojox/mobile/bidi/Button"
        ],
        function(array, declare, domClass, domConstruct, WidgetBase, ButtonMixin, FormWidgetMixin, has, BidiButton){

        var Button = declare(has("dojo-bidi") ? "dojox.mobile.NonBidiButton" : "dojox.mobile.Button", [WidgetBase, FormWidgetMixin, ButtonMixin], {
                // summary:
                //              Non-templated BUTTON widget with a thin API wrapper for click 
                //              events and for setting the label.
                //
                //              Buttons can display a label, an icon, or both.
                //              A label should always be specified (through innerHTML) or the label
                //              attribute.  It can be hidden via showLabel=false.
                // example:
                //      |       <button data-dojo-type="dojox/mobile/Button" onClick="...">Hello world</button>

                // baseClass: String
                //              The name of the CSS class of this widget.
                baseClass: "mblButton",

                // _setTypeAttr: [private] Function 
                //              Overrides the automatic assignment of type to nodes, because it causes
                //              exception on IE. Instead, the type must be specified as this.type
                //              when the node is created, as part of the original DOM.
                _setTypeAttr: null,

                // duration: Number
                //              The duration of selection, in milliseconds, or -1 for no post-click CSS styling.
                duration: 1000,

                /*=====
                // label: String
                //              The label of the button.
                label: "",
                =====*/
                
                _onClick: function(e){
                        // tags:
                        //              private
                        var ret = this.inherited(arguments);
                        if(ret && this.duration >= 0){ // if its not a button with a state, then emulate press styles
                                var button = this.focusNode || this.domNode;
                                var newStateClasses = (this.baseClass+' '+this["class"]).split(" ");
                                newStateClasses = array.map(newStateClasses, function(c){ return c+"Selected"; });
                                domClass.add(button, newStateClasses);
                                this.defer(function(){
                                        domClass.remove(button, newStateClasses);
                                }, this.duration);
                        }
                        return ret;
                },

                isFocusable: function(){ 
                        // Override of the method of dijit/_WidgetBase.
                        return false; 
                },

                buildRendering: function(){
                        if(!this.srcNodeRef){
                                this.srcNodeRef = domConstruct.create("button", {"type": this.type});
                        }else if(this._cv){
                                var n = this.srcNodeRef.firstChild;
                                if(n && n.nodeType === 3){
                                        n.nodeValue = this._cv(n.nodeValue);
                                }
                        }
                        this.inherited(arguments);
                        this.focusNode = this.domNode;
                },

                postCreate: function(){
                        this.inherited(arguments);
                        this.connect(this.domNode, "onclick", "_onClick");
                },

                _setLabelAttr: function(/*String*/ content){
                        // tags:
                        //              private
                        this.inherited(arguments, [this._cv ? this._cv(content) : content]);
                }
        });

        return has("dojo-bidi") ? declare("dojox.mobile.Button", [Button, BidiButton]) : Button;
});