/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
if (e.NavigationParameter == null)
{
this.Frame.GoBack();
}
if (!(e.NavigationParameter is Guid))
{
this.Frame.GoBack();
return;
}
Guid guid = (Guid)e.NavigationParameter;
ITerminal terminal = TerminalManager.GetTerminal(guid);
if (terminal == null)
{
this.Frame.GoBack();
return;
}
this.Terminal = terminal;
this.previewGrid.ItemsSource = TerminalManager.Terminals;
}
/// <summary>
/// Occurs when the connect button is clicked.
/// </summary>
/// <param name="sender">The object where the event handler is attached.</param>
/// <param name="e">The event data.</param>
private void connectButton_Click(object sender, RoutedEventArgs e)
{
var connectionData = this.CreateConnectionDataFromForm();
Guid guid = TerminalManager.Create(connectionData);
this.Frame.Navigate(typeof(TerminalPage), guid);
}
/// <summary>
/// Occurs when an item in the preview grid view is clicked.
/// </summary>
/// <param name="sender">The object where the event handler is attached.</param>
/// <param name="e">The event data.</param>
private void PreviewGrid_ItemClick(object sender, ItemClickEventArgs e)
{
ITerminal terminal = e.ClickedItem as ITerminal;
if (terminal == null)
{
return;
}
this.Frame.Navigate(typeof(TerminalPage), TerminalManager.GetGuid(terminal));
}
/// <summary>
/// Occurs when the close button of an item in the preview grid view is clicked.
/// </summary>
/// <param name="sender">The object where the event handler is attached.</param>
/// <param name="e">The event data.</param>
private void PreviewGrid_ItemCloseButtonClick(object sender, RoutedEventArgs e)
{
ITerminal terminal = ((Button)sender).Tag as ITerminal;
TerminalManager.Remove(terminal);
if (this.Terminal == terminal)
{
var switchToTerminal = TerminalManager.Terminals.Where(t => t != terminal).FirstOrDefault();
if (switchToTerminal == null)
{
this.NavigationHelper.GoBack();
}
else
{
this.Terminal = switchToTerminal;
}
}
}
/// <summary>
/// Occurs when an item in the favorites list view is clicked.
/// </summary>
/// <param name="sender">The object where the event handler is attached.</param>
/// <param name="e">The event data.</param>
private void ItemView_ItemClick(object sender, ItemClickEventArgs e)
{
if (e.ClickedItem == null)
{
return;
}
string id = ((ConnectionData)e.ClickedItem).Id;
var connectionData = FavoritesDataSource.GetFavorite(id);
if (connectionData == null)
{
return;
}
Guid guid = TerminalManager.Create(connectionData);
this.Frame.Navigate(typeof(TerminalPage), guid);
}
/// <summary>
/// Preserves state associated with this page in case the application is suspended or the
/// page is discarded from the navigation cache. Values must conform to the serialization
/// requirements of <see cref="SuspensionManager.SessionState"/>.
/// </summary>
/// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param>
/// <param name="e">Event data that provides an empty dictionary to be populated with
/// serializable state.</param>
private void navigationHelper_SaveState(object sender, SaveStateEventArgs e)
{
InputPane input = InputPane.GetForCurrentView();
input.Showing -= InputPaneShowing;
input.Hiding -= InputPaneHiding;
if (this.screenDisplay != null)
{
this.screenDisplay.Dispose();
this.screenDisplay = null;
}
if (this.Terminal != null)
{
if (!this.Terminal.IsConnected)
{
TerminalManager.Remove(this.Terminal);
}
}
}
/// <summary>
/// Occurs when the close button of an item in the preview grid view is clicked.
/// </summary>
/// <param name="sender">The object where the event handler is attached.</param>
/// <param name="e">The event data.</param>
private void PreviewGrid_ItemCloseButtonClick(object sender, RoutedEventArgs e)
{
ITerminal terminal = ((Button)sender).Tag as ITerminal;
TerminalManager.Remove(terminal);
}
