public static void ShowMessage(ConsoleString message, Action<DialogButton> resultCallback, bool allowEscapeToCancel = true, int maxHeight = 6, params DialogButton [] buttons)
{
if(buttons.Length == 0)
{
throw new ArgumentException("You need to specify at least one button");
}
ConsolePanel dialogContent = new ConsolePanel();
Dialog dialog = new Dialog(dialogContent);
dialog.MaxHeight = maxHeight;
dialog.AllowEscapeToCancel = allowEscapeToCancel;
dialog.Cancelled.SubscribeForLifetime(() => { resultCallback(null); }, dialog.LifetimeManager);
ScrollablePanel messagePanel = dialogContent.Add(new ScrollablePanel()).Fill(padding: new Thickness(0, 0, 1, 3));
Label messageLabel = messagePanel.ScrollableContent.Add(new Label() { Mode = LabelRenderMode.MultiLineSmartWrap, Text = message }).FillHoriontally(padding: new Thickness(3,3,0,0) );
StackPanel buttonPanel = dialogContent.Add(new StackPanel() { Margin = 1, Height = 1, Orientation = Orientation.Horizontal }).FillHoriontally(padding: new Thickness(1,0,0,0)).DockToBottom(padding: 1);
Button firstButton = null;
foreach (var buttonInfo in buttons)
{
var myButtonInfo = buttonInfo;
Button b = new Button() { Text = buttonInfo.DisplayText };
b.Pressed.SubscribeForLifetime(() =>
{
ConsoleApp.Current.LayoutRoot.Controls.Remove(dialog);
resultCallback(myButtonInfo);
}, dialog.LifetimeManager);
buttonPanel.Controls.Add(b);
firstButton = firstButton ?? b;
}
ConsoleApp.Current.LayoutRoot.Controls.Add(dialog);
}
/// <summary>
/// The state change handler that defines what happens whenever the player changes state
/// </summary>
private void StateChanged()
{
if (State != PlayerState.Playing)
{
playLifetime = null;
}
if (State == PlayerState.Playing)
{
if (duration.HasValue == false)
{
throw new InvalidOperationException("Playback is not permitted before a video is loaded");
}
playStartPosition = TimeSpan.FromSeconds(playerProgressBar.PlayCursorPosition * duration.Value.TotalSeconds);
playStartTime = DateTime.UtcNow;
// start a play loop for as long as the state remains unchanged
this.playLifetime = this.GetPropertyValueLifetime(nameof(State));
playLifetime.LifetimeManager.Manage(Application.SetInterval(() =>
{
if (State != PlayerState.Playing)
{
return;
}
var now = DateTime.UtcNow;
var delta = now - playStartTime;
var newPlayerPosition = playStartPosition + delta;
var videoLocationPercentage = Math.Round(100.0 * newPlayerPosition.TotalSeconds / duration.Value.TotalSeconds, 1);
videoLocationPercentage = Math.Min(videoLocationPercentage, 100);
playerProgressBar.PlayCursorPosition = videoLocationPercentage / 100.0;
playButton.Text = $"Pause".ToConsoleString();
ConsoleBitmap seekedImage;
if (newPlayerPosition > duration)
{
State = PlayerState.Stopped;
}
else if (inMemoryVideo.TrySeek(newPlayerPosition, out seekedImage) == false)
{
State = PlayerState.Buffering;
}
else
{
CurrentFrame = seekedImage;
}
}, TimeSpan.FromMilliseconds(1)));
}
else if (State == PlayerState.Stopped)
{
pictureFrame.BorderColor = ConsoleColor.Yellow;
playButton.Text = "Play".ToConsoleString();
}
else if (State == PlayerState.Paused)
{
playButton.Text = "Play".ToConsoleString();
}
else if (State == PlayerState.NotLoaded)
{
playButton.Text = "Play".ToConsoleString();
playButton.CanFocus = false;
}
else if (State == PlayerState.Buffering)
{
playButton.Text = "Play".ToConsoleString();
}
else if (State == PlayerState.Failed)
{
pictureFrame.BorderColor = ConsoleColor.Red;
Dialog.ShowMessage(failedMessage.ToRed());
}
else
{
throw new Exception("Unknown state: " + State);
}
}
public static void ShowRichTextInput(ConsoleString message, Action<ConsoleString> resultCallback, Action cancelCallback = null, bool allowEscapeToCancel = true, int maxHeight = 12, TextBox inputBox = null)
{
if (ConsoleApp.Current == null)
{
throw new InvalidOperationException("There is no console app running");
}
ConsolePanel content = new ConsolePanel();
content.Width = ConsoleApp.Current.LayoutRoot.Width / 2;
content.Height = ConsoleApp.Current.LayoutRoot.Height / 2;
var dialog = new Dialog(content);
dialog.MaxHeight = maxHeight;
dialog.AllowEscapeToCancel = allowEscapeToCancel;
dialog.Cancelled.SubscribeForLifetime(() => { if (cancelCallback != null) cancelCallback(); }, dialog.LifetimeManager);
Label messageLabel = content.Add(new Label() { Text = message, X = 2, Y = 2 });
if (inputBox == null)
{
inputBox = new TextBox() { Foreground = ConsoleColor.Black, Background = ConsoleColor.White };
}
content.Add(inputBox).CenterHorizontally();
inputBox.Y = 4;
content.SynchronizeForLifetime(nameof(Bounds), () => { inputBox.Width = content.Width - 4; }, content.LifetimeManager);
inputBox.KeyInputReceived.SubscribeForLifetime((k) =>
{
if (k.Key == ConsoleKey.Enter)
{
resultCallback(inputBox.Value);
ConsoleApp.Current.LayoutRoot.Controls.Remove(dialog);
}
}, inputBox.LifetimeManager);
ConsoleApp.Current.LayoutRoot.Controls.Add(dialog);
inputBox.TryFocus();
}
public void ShowProgressOperationsDialog()
{
if (PageStack.CurrentPage != this)
{
throw new InvalidOperationException("Not the current page");
}
if (progressOperationManagerDialog != null && Application.LayoutRoot.Controls.Contains(progressOperationManagerDialog))
{
return;
}
var progressOperationManagerControl = new ProgressOperationManagerControl(this.ProgressOperationManager);
progressOperationManagerDialog = new Dialog(progressOperationManagerControl) { MaxHeight = 40 };
progressOperationManagerDialog.AllowEscapeToCancel = true;
Application.LayoutRoot.Add(progressOperationManagerDialog);
}