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using System;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Threading.Tasks;
using System.Web;
using System.Windows;
using System.Windows.Controls;
namespace MediaBrowser.UI.Pages
{
public abstract class BasePage : Page, INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
public void OnPropertyChanged(String info)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(info));
}
}
protected Uri Uri
{
get
{
return NavigationService.CurrentSource;
}
}
protected MainWindow MainWindow
{
get
{
return App.Instance.MainWindow as MainWindow;
}
}
private NameValueCollection _queryString;
protected NameValueCollection QueryString
{
get
{
if (_queryString == null)
{
string url = Uri.ToString();
int index = url.IndexOf('?');
if (index == -1)
{
_queryString = new NameValueCollection();
}
else
{
_queryString = HttpUtility.ParseQueryString(url.Substring(index + 1));
}
}
return _queryString;
}
}
protected BasePage()
: base()
{
Loaded += BasePageLoaded;
}
async void BasePageLoaded(object sender, RoutedEventArgs e)
{
await LoadData();
DataContext = this;
}
protected abstract Task LoadData();
}
}
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