import observableModule = require("data/observable");

import pageModule = require("ui/page");

class MainViewModel extends observableModule.Observable {

private _item: any;

constructor() {

super();

this.item = { Title: "Alabala" };

}

get item(): any {

return this._item;

}

set item(value: any) {

if (this._item !== value) {

this._item = value;

this.notifyPropertyChanged("item", value);

}

}

notifyPropertyChanged(propertyName: string, value: any) {

this.notify({ object: this, eventName: observableModule.Observable.propertyChangeEvent, propertyName: propertyName, value: value });

}

}

var viewModel = new MainViewModel();

export function pageLoaded(args: observableModule.EventData) {

var page = <pageModule.Page>args.object;

page.bindingContext = viewModel;

}