public EditableTextFlowLayer(TextEditRenderBox owner)
: base(owner)
{
this.owner = owner;
//start with single line per layer
//and can change to multiline
lineCollection = new EditableTextLine(this);
}
public InternalTextLayerController(
TextEditRenderBox visualTextSurface,
EditableTextFlowLayer textLayer)
{
this.visualTextSurface = visualTextSurface;
textLineWriter = new TextLineWriter(textLayer);
backGroundTextLineWriter = textLineWriter.GetBackgroundWriter();
commandHistory = new DocumentCommandCollection(this);
this.textMan = new TextMan(this, visualTextSurface);
#if DEBUG
if (dbugEnableTextManRecorder)
{
dbugTextManRecorder = new dbugMultiTextManRecorder();
textLineWriter.dbugTextManRecorder = dbugTextManRecorder;
throw new NotSupportedException();
dbugTextManRecorder.Start(null);
}
#endif
}
public static void NotifyTextContentSizeChanged(TextEditRenderBox ts)
{
ts.BoxEvaluateScrollBar();
}
public void SetMonitoringTextSurface(TextEditRenderBox textSurfaceElement)
{
this.targetTextSurface = textSurfaceElement;
}
public void SetMonitoringTextSurface(TextEditRenderBox textSurfaceElement)
{
this.targetTextSurface = textSurfaceElement;
}
public void Clear()
{
CancelSelect();
textLineWriter.Clear();
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
}
void JoinWithNextLine()
{
textLineWriter.JoinWithNextLine();
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
}
VisualSelectionRangeSnapShot RemoveSelectedText()
{
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.WriteInfo("TxLMan::RemoveSelectedText");
_dbugActivityRecorder.BeginContext();
}
#endif
if (selectionRange == null)
{
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.WriteInfo("NO_SEL_RANGE");
_dbugActivityRecorder.EndContext();
}
#endif
return(VisualSelectionRangeSnapShot.Empty);
}
else if (!selectionRange.IsValid)
{
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.WriteInfo("!RANGE_ON_SAME_POINT");
}
#endif
CancelSelect();
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.EndContext();
}
#endif
return(VisualSelectionRangeSnapShot.Empty);
}
selectionRange.SwapIfUnOrder();
VisualSelectionRangeSnapShot selSnapshot = selectionRange.GetSelectionRangeSnapshot();
VisualPointInfo startPoint = selectionRange.StartPoint;
CurrentLineNumber = startPoint.LineId;
int preCutIndex = startPoint.LineCharIndex;
textLineWriter.SetCurrentCharIndex(startPoint.LineCharIndex);
if (selectionRange.IsOnTheSameLine)
{
List <EditableRun> tobeDeleteTextRuns = new List <EditableRun>();
textLineWriter.CopySelectedTextRuns(selectionRange, tobeDeleteTextRuns);
if (tobeDeleteTextRuns != null && tobeDeleteTextRuns.Count > 0)
{
commandHistory.AddDocAction(
new DocActionDeleteRange(tobeDeleteTextRuns,
selSnapshot.startLineNum,
selSnapshot.startColumnNum,
selSnapshot.endLineNum,
selSnapshot.endColumnNum));
textLineWriter.RemoveSelectedTextRuns(selectionRange);
updateJustCurrentLine = true;
}
}
else
{
int startPointLindId = startPoint.LineId;
int startPointCharIndex = startPoint.LineCharIndex;
List <EditableRun> tobeDeleteTextRuns = new List <EditableRun>();
textLineWriter.CopySelectedTextRuns(selectionRange, tobeDeleteTextRuns);
if (tobeDeleteTextRuns != null && tobeDeleteTextRuns.Count > 0)
{
commandHistory.AddDocAction(
new DocActionDeleteRange(tobeDeleteTextRuns,
selSnapshot.startLineNum,
selSnapshot.startColumnNum,
selSnapshot.endLineNum,
selSnapshot.endColumnNum));
textLineWriter.RemoveSelectedTextRuns(selectionRange);
updateJustCurrentLine = false;
textLineWriter.MoveToLine(startPointLindId);
textLineWriter.SetCurrentCharIndex(startPointCharIndex);
}
}
CancelSelect();
TextEditRenderBox.NotifyTextContentSizeChanged(visualTextSurface);
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.EndContext();
}
#endif
return(selSnapshot);
}
public static void NotifyTextContentSizeChanged(TextEditRenderBox ts)
{
ts.BoxEvaluateScrollBar();
}
internal TextMan(InternalTextLayerController innerTextMan, TextEditRenderBox visualTextSurface)
{
this.innerTextMan = innerTextMan;
this.visualTextSurface = visualTextSurface;
}
public override RenderElement GetPrimaryRenderElement(RootGraphic rootgfx)
{
if (textEditRenderElement == null)
{
var tbox = new TextEditRenderBox(rootgfx, this.Width, this.Height, _multiline);
tbox.SetLocation(this.Left, this.Top);
tbox.HasSpecificSize = true;
if (this.defaultSpanStyle.IsEmpty())
{
this.defaultSpanStyle = new TextSpanStyle();
this.defaultSpanStyle.FontInfo = rootgfx.DefaultTextEditFontInfo;
tbox.CurrentTextSpanStyle = this.defaultSpanStyle;
}
else
{
tbox.CurrentTextSpanStyle = this.defaultSpanStyle;
}
tbox.BackgroundColor = this.backgroundColor;
tbox.SetController(this);
if (this.textSurfaceListener != null)
{
tbox.TextSurfaceListener = textSurfaceListener;
}
this.textEditRenderElement = tbox;
if (userTextContent != null)
{
this.Text = userTextContent;
userTextContent = null;//clear
}
}
return textEditRenderElement;
}
internal TextMan(InternalTextLayerController innerTextMan, TextEditRenderBox visualTextSurface)
{
this.innerTextMan = innerTextMan;
this.visualTextSurface = visualTextSurface;
}
