C# (CSharp) LayoutFarm.Text VisualSelectionRangeSnapShot.IsEmptyの例

IsEmpty() public method

public IsEmpty ( ) : bool
return	bool

コード例 #1

        public VisualSelectionRangeSnapShot DoDelete()
        {
            //recursive
#if DEBUG
            if (dbugEnableTextManRecorder)
            {
                _dbugActivityRecorder.WriteInfo("TxLMan::DoDelete");
                _dbugActivityRecorder.BeginContext();
            }
#endif

            VisualSelectionRangeSnapShot removedRange = this.RemoveSelectedText();
            if (removedRange.IsEmpty())
            {
                updateJustCurrentLine = true;
                char deletedChar = textLineWriter.DoDeleteOneChar();

                if (deletedChar == '\0')
                {
                    //end of this line
                    commandHistory.AddDocAction(
                        new DocActionJoinWithNextLine(
                            textLineWriter.LineNumber, textLineWriter.ProperCharIndex));
                    JoinWithNextLine();
                    updateJustCurrentLine = false;
                }
                else
                {
                    commandHistory.AddDocAction(
                        new DocActionDeleteChar(
                            deletedChar, textLineWriter.LineNumber, textLineWriter.ProperCharIndex));
                    char nextChar = textLineWriter.NextChar;

                    if (nextChar != '\0')
                    {
                        if (!CanCaretStopOnThisChar(nextChar))
                        {
                            //TODO: review return range here again
                            return(DoDelete());
                        }
                    }
                }
            }
#if DEBUG
            if (dbugEnableTextManRecorder)
            {
                _dbugActivityRecorder.EndContext();
            }
#endif

            return(removedRange);
        }

コード例 #2

ファイル: TextLayerController.KeyboardFunctions.cs プロジェクト: asmboom/HtmlRenderer

        public VisualSelectionRangeSnapShot DoDelete()
        {
            //recursive
#if DEBUG
            if (dbugEnableTextManRecorder)
            {
                dbugTextManRecorder.WriteInfo("TxLMan::DoDelete");
                dbugTextManRecorder.BeginContext();
            }
#endif

            VisualSelectionRangeSnapShot removedRange = this.RemoveSelectedText();

            if (removedRange.IsEmpty())
            {
                updateJustCurrentLine = true;

                char deletedChar = textLineWriter.DoDelete();

                //some language

                if (deletedChar == '\0')
                {
                    commandHistory.AddDocAction(
                        new DocActionJoinWithNextLine(
                            textLineWriter.LineNumber, textLineWriter.CharIndex));

                    JoinWithNextLine();
                    updateJustCurrentLine = false;
                }
                else
                {
                    commandHistory.AddDocAction(
                        new DocActionDeleteChar(
                            deletedChar, textLineWriter.LineNumber, textLineWriter.CharIndex));
                    char nextChar = textLineWriter.NextChar;
                    if (nextChar != '\0' && textLineWriter.NextCharWidth < 1)
                    {
                        //recursive
                        DoDelete();
                    }
                }
            }
#if DEBUG
            if (dbugEnableTextManRecorder)
            {
                dbugTextManRecorder.EndContext();
            }
#endif

            return(removedRange);
        }

コード例 #3

        public bool DoBackspace()
        {
#if DEBUG
            if (dbugEnableTextManRecorder)
            {
                dbug_BackSpaceCount++;
                _dbugActivityRecorder.WriteInfo("TxLMan::DoBackSpace");
                _dbugActivityRecorder.BeginContext();
            }
#endif

            VisualSelectionRangeSnapShot removeSelRange = this.RemoveSelectedText();
            if (!removeSelRange.IsEmpty())
            {
                CancelSelect();
#if DEBUG
                if (dbugEnableTextManRecorder)
                {
                    _dbugActivityRecorder.EndContext();
                }
#endif
                return(true);
            }
            else
            {
                updateJustCurrentLine = true;
                char deletedChar = textLineWriter.DoBackspaceOneChar();
                if (deletedChar == '\0')
                {
                    //end of current line


                    if (!IsOnFirstLine)
                    {
                        CurrentLineNumber--;
                        DoEnd();
                        commandHistory.AddDocAction(
                            new DocActionJoinWithNextLine(
                                textLineWriter.LineNumber, textLineWriter.ProperCharIndex));
                        JoinWithNextLine();
                    }
#if DEBUG
                    if (dbugEnableTextManRecorder)
                    {
                        _dbugActivityRecorder.EndContext();
                    }
#endif
                    return(false);
                }
                else
                {
                    commandHistory.AddDocAction(
                        new DocActionDeleteChar(
                            deletedChar, textLineWriter.LineNumber, textLineWriter.ProperCharIndex));
#if DEBUG
                    if (dbugEnableTextManRecorder)
                    {
                        _dbugActivityRecorder.EndContext();
                    }
#endif
                    return(true);
                }
            }
        }