/// <summary>
/// Displays the <see cref="IInteractive"/> in the system <see cref="Console"/>.
/// </summary>
/// <param name="widget">The widget to be displayed.</param>
private void DrawInteractiveWidget(IInteractive widget)
{
widget.Workflow.Start();
var actions = widget.InputActions().ToArray();
int ix = 0;
do
{
switch (widget.Workflow.NextState())
{
case FlowStates.Input:
CaptureStep(actions[ix]);
break;
case FlowStates.Error:
ErrorStep(actions[ix]);
break;
case FlowStates.Control:
if (ix < actions.Length - 1)
{
ix++;
widget.Workflow.Action = FlowActions.Continue;
}
else
{
widget.Workflow.Action = FlowActions.Ok;
}
break;
}
} while (widget.Workflow.State != FlowStates.End);
// Displays Input on capture messages.
void CaptureStep(InputAction action)
{
int startRow = InputEngine.Instance.Cursor.Y;
this.DrawBasicWidget(widget as ITWidget);
int size = InputEngine.Instance.Cursor.Y - startRow;
// Set cursor position
InputEngine.Instance.Cursor = new ConsoleCursor(
widget.CursorPosition.X,
startRow + widget.CursorPosition.Y
);
// Perform capture
InputEngine.Instance.Capture(action.Id, action.Method);
// Restore drawing position
InputEngine.Instance.Cursor = new ConsoleCursor(
0,
startRow + size
);
}
// Displays Input Errors
void ErrorStep(InputAction action)
{
if (action.Action != ErrorAction.Ignore)
{
var g = GetNewGraphics();
widget.DrawError(g, _errorMessages);
this.Display(g);
}
if (action.Action == ErrorAction.Repeat)
{
widget.Workflow.Action = FlowActions.Ok;
}
else
{
widget.Workflow.Action = FlowActions.Continue;
}
}
}
