/// <summary>
/// カーソル位置とテキストをUndo/Redoに保持する
/// </summary>
/// <param name="previous"></param>
/// <param name="target"></param>
private void SaveCursorAndTextOnTextBox(ref CursorAndText previous, TextBox target, Func <CursorAndText, bool> breakCondition = null)
{
BaseUndoRedoManager manager;
lock (_SyncObjForm)
{
manager = _TextBoxToManager[target];
}
CursorAndText _previous;
CursorAndText current;
lock (_SyncObjForm)
{
_previous = new CursorAndText()
{
CursorPosition = previous.CursorPosition,
Text = previous.Text
};
current = new CursorAndText()
{
CursorPosition = target.SelectionStart,
Text = target.Text
};
//旧情報の書き換え
previous = current;
if (breakCondition != null)
{
if (breakCondition(_previous))
{
return;
}
}
}
manager.Do(new Command(
() =>//Doした場合(=今)の処理
{
},
() =>//Undoした場合の処理
{
lock (_SyncObjForm)
{
target.Text = _previous.Text;
target.SelectionStart = _previous.CursorPosition;
}
},
() =>//Redoした場合の処理
{
lock (_SyncObjForm)
{
target.Text = current.Text;
target.SelectionStart = current.CursorPosition;
}
}));
}
public FormMain()
{
InitializeComponent();
_DefaultCursor = Cursor.Current;
_Rule = new RuleGrass();
_PreviousCursorAndTextSourceCode = new CursorAndText()
{
CursorPosition = 0, Text = string.Empty
};
_PreviousCursorAndTextVisualized = new CursorAndText()
{
CursorPosition = 0, Text = string.Empty
};
_SourceManager = new FixedSizeUndoRedoManager(100);
_VisualizedManager = new FixedSizeUndoRedoManager(100);
_TextBoxToManager = new Dictionary <TextBox, BaseUndoRedoManager>();
_TextBoxToManager[textBoxSourceCode] = _SourceManager;
_TextBoxToManager[textBoxVisualizedLanguage] = _VisualizedManager;
_SettingTextChangedFromSystem = new Dictionary <TextBox, Action <bool> >();
_SettingTextChangedFromSystem[textBoxSourceCode] = (value) => _IsSourceCodeChangedFromSystem = value;
_SettingTextChangedFromSystem[textBoxVisualizedLanguage] = (value) => _IsVisualizedLanguageChangedFromSystem = value;
_GettingTextChangedFromSystem = new Dictionary <TextBox, Func <bool> >();
_GettingTextChangedFromSystem[textBoxSourceCode] = () => _IsSourceCodeChangedFromSystem;
_GettingTextChangedFromSystem[textBoxVisualizedLanguage] = () => _IsVisualizedLanguageChangedFromSystem;
//Ctrl+Tabでソースコード<=>可視化言語を変換する
textBoxSourceCode.AddKeyPressEvent(
(Keys.Control | Keys.Tab),
() =>
{
GllSourceToVisualized();
}
);
textBoxVisualizedLanguage.AddKeyPressEvent(
(Keys.Control | Keys.Tab),
() =>
{
VisualizedToGllSource();
}
);
//タイマーでUndo記録を管理
_TimerSaveSourceState = new Timer();
_TimerSaveSourceState.Interval = _TimerInterval;
_TimerSaveSourceState.Tick += (sender, e) =>
{
var breakCondition = new Func <CursorAndText, bool>(
(pre) => pre.Text == textBoxSourceCode.Text || _GettingTextChangedFromSystem[textBoxSourceCode]());
lock (_SyncObjForm)
{
//Undo,Redoの挙動を記録
SaveCursorAndTextOnTextBox(ref _PreviousCursorAndTextSourceCode, textBoxSourceCode, breakCondition);
}
};
_TimerSaveVisualizedState = new Timer();
_TimerSaveVisualizedState.Interval = _TimerInterval;
_TimerSaveVisualizedState.Tick += (sender, e) =>
{
var breakCondition = new Func <CursorAndText, bool>(
(pre) => pre.Text == textBoxVisualizedLanguage.Text || _GettingTextChangedFromSystem[textBoxVisualizedLanguage]());
lock (_SyncObjForm)
{
//Undo,Redoの挙動を記録
SaveCursorAndTextOnTextBox(ref _PreviousCursorAndTextVisualized, textBoxVisualizedLanguage, breakCondition);
}
};
_TimerSaveSourceState.Start();
_TimerSaveVisualizedState.Start();
}
