source: Dev/trunk/src/client/dojox/app/tests/nestedTestApp/nestedTestApp.js

define(["dojox/mobile/ProgressIndicator"], function(ProgressIndicator){
        return function(){
                // the default select_item is 0, or will throw an error if directly transition to #details,EditTodoItem view
                this.selected_item = 0;
                this.selected_configuration_item = 0;
                this.progressIndicator = null;
                /*
                * show or hide global progress indicator
                */
                
                this.showProgressIndicator = function(show){
                                
                        if(!this.progressIndicator){
                                this.progressIndicator = ProgressIndicator.getInstance({removeOnStop:false, startSpinning:true, size:40, center:true, interval:30});
                                // TODO: use dojo.body will throw no appendChild method error.
                                var body = document.getElementsByTagName("body")[0];
                                body.appendChild(this.progressIndicator.domNode);
                                this.progressIndicator.domNode.style.zIndex = 999;
                        }
                        if(show){
                                this.progressIndicator.domNode.style.visibility = "visible";
                                this.progressIndicator.start();
                        }else{
                                this.progressIndicator.stop();
                                this.progressIndicator.domNode.style.visibility = "hidden";
                        }
                        
                }
        };
});