public override bool CanCancelWith(IOperationCache other)
{
//return false;
return(other is SweetQuestionsRemovedCache &&
((SweetQuestionsCache)other).Document == this.Document &&
this.HasSameQuestionsWith((SweetQuestionsCache)other));
}
// (0.2.3)
protected void NotifyOperation(IOperationCache operationCache)
{
if (operationCache is QuestionCategoryChangedCache)
{
this.QuestionCategoryChanged(this, EventArgs.Empty);
}
if (operationCache is QuestionNoChangedCache)
{
this.QuestionNoChanged(this, EventArgs.Empty);
}
}
public override bool CanCancelWith(IOperationCache other)
{
if (other is QuestionNoChangedCache)
{
var other_cache = ((QuestionNoChangedCache)other);
return((other_cache._question == this._question) &&
(other_cache._previousValue == this._currentValue) &&
(other_cache._currentValue == this._previousValue));
}
else
{
return(false);
}
}
public override bool CanCancelWith(IOperationCache other)
{
var other_cache = other as QuestionMemoChangedCache;
if (other_cache == null)
{
return(false);
}
else
{
return(other_cache._question == this._question &&
other_cache._previousValue == this._currentValue &&
other_cache._currentValue == this._previousValue);
}
}
/// <summary>
/// 操作履歴を追加します．
/// </summary>
/// <param name="item"></param>
public void AddOperationHistory(IOperationCache item)
{
if (!_undoing && !_redoing)
{
operationHistory.Push(item);
if (OperationCount >= 0)
{
OperationCount++;
}
undoHistory.Clear();
}
}
public OperationUpdatedHandler(IHandler handler, IOperationCache cache)
{
_handler = handler;
_cache = cache;
}
public abstract bool CanCancelWith(IOperationCache other);
// (0.2.3)
protected void NotifyOperation(IOperationCache operationCache)
{
if (operationCache is QuestionCategoryChangedCache)
{
this.QuestionCategoryChanged(this, EventArgs.Empty);
}
if (operationCache is QuestionNoChangedCache)
{
this.QuestionNoChanged(this, EventArgs.Empty);
}
}
