/// <summary>
/// 新输入
/// </summary>
/// <param name="insertion"></param>
/// <returns></returns>
public override bool Insert(string insertion)
{
RegExpMaskManagerState state;
MaskManagerStated.StateChangeType changeType = ((insertion.Length == 0) && base.IsSelection) ? MaskManagerStated.StateChangeType.Delete : MaskManagerStated.StateChangeType.Insert;
string head = GetCurrentEditText().Substring(0, base.DisplaySelectionStart);
string replaced = GetCurrentEditText().Substring(base.DisplaySelectionStart, base.DisplaySelectionLength);
string tail = GetCurrentEditText().Substring(base.DisplaySelectionEnd);
MaskLogicResult result = _logic.GetReplaceResult(head, replaced, tail, insertion);
if (result == null)
{
return(false);
}
if (_reverseDfa)
{
state = new RegExpMaskManagerState(result.EditText, base.DisplaySelectionStart, base.DisplaySelectionStart);
}
else if ((_isOptimistic && (changeType == MaskManagerStated.StateChangeType.Insert)) && (tail.Length == 0))
{
string editText = _logic.OptimisticallyExpand(result.EditText);
state = new RegExpMaskManagerState(editText, result.CursorPosition, editText.Length);
}
else
{
state = new RegExpMaskManagerState(result.EditText, result.CursorPosition, result.CursorPosition);
}
return(base.Apply(state, changeType));
}
/// <summary>
///
/// </summary>
/// <param name="comparedState"></param>
/// <returns></returns>
public override bool IsSame(MaskManagerState comparedState)
{
if (comparedState == null)
{
return(false);
}
if (base.GetType() != comparedState.GetType())
{
throw new NotImplementedException("Internal error");
}
RegExpMaskManagerState state = (RegExpMaskManagerState)comparedState;
if (EditText != state.EditText)
{
return(false);
}
if (CursorPosition != state.CursorPosition)
{
return(false);
}
if (SelectionAnchor != state.SelectionAnchor)
{
return(false);
}
return(true);
}
