|
public static NotifyTextContentSizeChanged ( |
||
| ts | ||
| return | void | |
public void AddTextRunsToCurrentLine(IEnumerable <EditableRun> textRuns)
{
RemoveSelectedText();
int startLineNum = textLineWriter.LineNumber;
int startCharIndex = textLineWriter.CharIndex;
bool isRecordingHx = EnableUndoHistoryRecording;
EnableUndoHistoryRecording = false;
foreach (EditableRun t in textRuns)
{
if (t.IsLineBreak)
{
textLineWriter.SplitToNewLine();
CurrentLineNumber++;
}
else
{
textLineWriter.AddTextSpan(t);
}
}
EnableUndoHistoryRecording = isRecordingHx;
commandHistory.AddDocAction(
new DocActionInsertRuns(textRuns, startLineNum, startCharIndex,
textLineWriter.LineNumber, textLineWriter.CharIndex));
updateJustCurrentLine = false;
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
}
public void SplitCurrentLineIntoNewLine()
{
RemoveSelectedText();
commandHistory.AddDocAction(
new DocActionSplitToNewLine(textLineWriter.LineNumber, textLineWriter.CharIndex));
textLineWriter.SplitToNewLine();
CurrentLineNumber++;
updateJustCurrentLine = false;
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
}
void JoinWithNextLine()
{
textLineWriter.JoinWithNextLine();
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
}
VisualSelectionRangeSnapShot RemoveSelectedText()
{
#if DEBUG
if (dbugEnableTextManRecorder)
{
dbugTextManRecorder.WriteInfo("TxLMan::RemoveSelectedText");
dbugTextManRecorder.BeginContext();
}
#endif
if (selectionRange == null)
{
#if DEBUG
if (dbugEnableTextManRecorder)
{
dbugTextManRecorder.WriteInfo("NO_SEL_RANGE");
dbugTextManRecorder.EndContext();
}
#endif
return(VisualSelectionRangeSnapShot.Empty);
}
else if (!selectionRange.IsValid)
{
#if DEBUG
if (dbugEnableTextManRecorder)
{
dbugTextManRecorder.WriteInfo("!RANGE_ON_SAME_POINT");
}
#endif
CancelSelect();
#if DEBUG
if (dbugEnableTextManRecorder)
{
dbugTextManRecorder.EndContext();
}
#endif
return(VisualSelectionRangeSnapShot.Empty);
}
selectionRange.SwapIfUnOrder();
VisualSelectionRangeSnapShot selSnapshot = selectionRange.GetSelectionRangeSnapshot();
VisualPointInfo startPoint = selectionRange.StartPoint;
CurrentLineNumber = startPoint.LineId;
int preCutIndex = startPoint.LineCharIndex;
textLineWriter.CharIndex = startPoint.LineCharIndex;
if (selectionRange.IsOnTheSameLine)
{
LinkedList <EditableRun> tobeDeleteTextRun = textLineWriter.CopySelectedTextRuns(selectionRange);
if (tobeDeleteTextRun != null)
{
commandHistory.AddDocAction(
new DocActionDeleteRange(tobeDeleteTextRun,
selSnapshot.startLineNum,
selSnapshot.startColumnNum,
selSnapshot.endLineNum,
selSnapshot.endColumnNum));
textLineWriter.RemoveSelectedTextRuns(selectionRange);
updateJustCurrentLine = true;
}
}
else
{
int startPointLindId = startPoint.LineId;
int startPointCharIndex = startPoint.LineCharIndex;
LinkedList <EditableRun> tobeDeleteTextRun = textLineWriter.CopySelectedTextRuns(selectionRange);
if (tobeDeleteTextRun != null)
{
commandHistory.AddDocAction(
new DocActionDeleteRange(tobeDeleteTextRun,
selSnapshot.startLineNum,
selSnapshot.startColumnNum,
selSnapshot.endLineNum,
selSnapshot.endColumnNum));
textLineWriter.RemoveSelectedTextRuns(selectionRange);
updateJustCurrentLine = false;
textLineWriter.MoveToLine(startPointLindId);
textLineWriter.CharIndex = startPointCharIndex;
}
}
CancelSelect();
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
#if DEBUG
if (dbugEnableTextManRecorder)
{
dbugTextManRecorder.EndContext();
}
#endif
return(selSnapshot);
}
public void Clear()
{
CancelSelect();
textLineWriter.Clear();
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
}
