public void AddTextSpan(EditableRun textRun)
        {
            if (CurrentLine.IsBlankLine)
            {
                CurrentLine.AddLast(textRun);
                SetCurrentTextRun(textRun);
                CurrentLine.TextLineReCalculateActualLineSize();
                CurrentLine.RefreshInlineArrange();

                SetCurrentCharIndex(CharIndex + textRun.CharacterCount);
            }
            else
            {
                if (CurrentTextRun != null)
                {
                    VisualPointInfo newPointInfo = CurrentLine.Split(GetCurrentPointInfo());
                    if (newPointInfo.IsOnTheBeginOfLine)
                    {
                        CurrentLine.AddBefore((EditableRun)newPointInfo.TextRun, textRun);
                    }
                    else
                    {
                        CurrentLine.AddAfter((EditableRun)newPointInfo.TextRun, textRun);
                    }
                    CurrentLine.TextLineReCalculateActualLineSize();
                    CurrentLine.RefreshInlineArrange();
                    EnsureCurrentTextRun(CharIndex + textRun.CharacterCount);
                }
                else
                {
                    throw new NotSupportedException();
                }
            }
        }
        public void SplitToNewLine()
        {
            EditableRun lineBreakRun = new EditableTextRun(this.Root, '\n', this.CurrentSpanStyle);
            EditableRun currentRun   = CurrentTextRun;

            if (CurrentLine.IsBlankLine)
            {
                CurrentLine.AddLast(lineBreakRun);
            }
            else
            {
                if (CharIndex == -1)
                {
                    CurrentLine.AddFirst(lineBreakRun);
                    SetCurrentTextRun(null);
                }
                else
                {
                    EditableRun rightSplitedPart = EditableRun.InnerRemove(currentRun,
                                                                           CurrentTextRunCharIndex + 1, true);
                    if (rightSplitedPart != null)
                    {
                        CurrentLine.AddAfter(currentRun, rightSplitedPart);
                    }
                    CurrentLine.AddAfter(currentRun, lineBreakRun);

                    if (currentRun.CharacterCount == 0)
                    {
                        CurrentLine.Remove(currentRun);
                    }
                }
            }


            this.TextLayer.TopDownReCalculateContentSize();
            EnsureCurrentTextRun();
        }
Exemple #3
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        public void SplitToNewLine()
        {
            Run currentRun = CurrentTextRun;

            if (CurrentLine.IsBlankLine)
            {
                CurrentLine.AddLineBreakAfterLastRun();
            }
            else
            {
                if (CharIndex == -1)
                {
                    CurrentLine.AddLineBreakBeforeFirstRun();
                    SetCurrentTextRun(null);
                }
                else
                {
                    CopyRun rightSplitedPart = Run.InnerRemove(currentRun,
                                                               CurrentTextRunCharIndex + 1, true);
                    if (rightSplitedPart != null)
                    {
                        CurrentLine.AddAfter(currentRun, rightSplitedPart);
                    }

                    CurrentLine.AddLineBreakAfter(currentRun);
                    if (currentRun.CharacterCount == 0)
                    {
                        CurrentLine.Remove(currentRun);
                    }
                }
            }


            this.TextLayer.TopDownReCalculateContentSize();
            EnsureCurrentTextRun();
        }