// Extension method for calling GetInstance of ActionLogicBase from
// any class derived from ScriptableObject.
public static T GetInstance <T>(this ScriptableObject scriptableObject, ActionRecorder actionRecorder)
where T : ActionLogicBase
{
T instance = ActionLogicBase.CreateInstance <T>();
instance._actionRecorder = actionRecorder;
return(instance);
}
/// <summary>
/// Return description for next Redo Action.
/// </summary>
public string NxtRedoDsc()
{
string nxtRedoDsc = null;
//Check if there is anything in the Redo Stack:
if (_redoActionStack != null && _redoActionStack.Count() > 0)
{
ActionLogicBase action = _redoActionStack.Peek();
nxtRedoDsc = action.GetActionDesc();
}
else
{
nxtRedoDsc = "redoStack is empty!";
}
return(nxtRedoDsc);
}
private void OnEventRaised()
{
//Debug.Log("Event raised");
// First clear the response object
ActionRecorder.Response.Clear();
//Check if we are in Edit mode, if we aren't send back a failed response object
if (!ActionRecorder.InEditMode(ref ActionRecorder.Response))
{
return;
}
// Get new model instance
_actionLogic = ActionLogicBase.GetInstance <T>(ActionRecorder);
// Passing Data from View to Model
ViewToModelParams(_actionLogic);
// Perform the action
ActionRecorder.PerformAction(_actionLogic);
}
/// <summary>
/// Undo Command to be linked to the
/// Undo button in the editor window
/// </summary>
public ResponseObject Undo()
{
// Clear the Response Object
Response.Clear();
//Check if we are in Edit mode, if we aren't send back a failed response object
if (!InEditMode(ref Response))
{
return(Response);
}
// Check stuck size
if (_undoActionStack.Count() == 0)
{
Response.Result = ResponseEnums.Failed;
Response.StringResponse = "UndoStack is empty!";
return(Response);
}
// Peek ActionClass from UndoActionStack (We aren't removing it from the stack yet!)
ActionLogicBase action = _undoActionStack.Peek();
// Validate Undo Command feasibility
action.ValidateBeforeUndo(ref Response);
//Check if response object was set to null by mistake?
NullResponselCheck(ref Response);
//Unable to perform Undo action
if (Response.Result == ResponseEnums.Failed)
{
// Set response.StringResponse if it's null or empty.
if (string.IsNullOrEmpty(Response.StringResponse))
{
Response.StringResponse = "Couldn't perform Undo Action!";
}
}
else
{
try
{
// Perform Undo Action
action.UndoAction();
}
catch (Exception e)
{
//Console.WriteLine(e);
Response.Result = ResponseEnums.Failed;
Response.StringResponse = "Couldn't perform Undo Action!";
return(Response);
}
// Pop this action off the undo stack
_undoActionStack.Pop();
// Push The Action to the RedoActionStack
_redoActionStack.Push(action);
}
return(Response);
}
