/// <summary>
/// Empties the action queue and retrieves every actions and their argument.
/// </summary>
/// <param name="uiActions">List of the retrieved actions.</param>
/// <param name="firstParams">List of the first parameter of the actions.</param>
/// <param name="secondParams">List of the second parameter of the actions.</param>
public void GetAllActions(out UiActionType[] uiActions, out int[] firstParams, out int[] secondParams)
{
uiActions = null;
firstParams = null;
secondParams = null;
lock (this.actionFifo)
{
if (this.actionFifo.Length == this.param0Fifo.Length && this.actionFifo.Length == this.param1Fifo.Length)
{
uiActions = new UiActionType[this.actionFifo.Length];
firstParams = new int[this.param0Fifo.Length];
secondParams = new int[this.param1Fifo.Length];
for (int i = 0; i < uiActions.Length; i++)
{
uiActions[i] = this.actionFifo.Get();
firstParams[i] = this.param0Fifo.Get();
secondParams[i] = this.param1Fifo.Get();
}
}
else
{
throw new Exception("Inconsistent state in UiActionQueue!");
}
}
}
/// <summary>
/// Posts an action to the UiActionQueue. This function can be called from the context of the UI-thread.
/// </summary>
/// <param name="uiAction">The action to post.</param>
/// <param name="param0">The first parameter of the action.</param>
/// <param name="param1">The second parameter of the action.</param>
public void PostAction(UiActionType uiAction, int param0, int param1)
{
lock (this.actionFifo)
{
this.actionFifo.Push(uiAction);
this.param0Fifo.Push(param0);
this.param1Fifo.Push(param1);
}
}
/// <summary>
/// Subscribe event handlers for WPF controls
/// </summary>
/// <param name="actionType"></param>
/// <param name="eventHandler"></param>
public void Subscribe(UiActionType actionType, Action <object, RoutedEventArgs> eventHandler)
{
switch (actionType)
{
case UiActionType.SaveClose:
_btnSaveCloseEventHandler = (o, ea) => eventHandler(o, ea);
BtnSaveClose.Click += _btnSaveCloseEventHandler;
break;
case UiActionType.Next:
_btnNextEventHandler = (o, ea) => eventHandler(o, ea);
BtnNext.Click += _btnNextEventHandler;
break;
default:
throw new ArgumentOutOfRangeException(nameof(actionType), actionType, null);
}
}