protected virtual RectangleF GetRectangle(LineInfo currentLine)
{
TextBoxViewElement viewElement = this.textBoxElement.ViewElement;
RectangleF boundingRectangle = currentLine.ControlBoundingRectangle;
PointF absolute1 = viewElement.PointToAbsolute(boundingRectangle.Location);
ITextBlock textBlock = currentLine.StartBlock;
ITextBlock endBlock = currentLine.EndBlock;
while (TextBoxWrapPanel.IsWhitespace(textBlock.Text))
{
ITextBlock nextBlock = this.TextBoxElement.ViewElement.GetNextBlock(textBlock.Index);
if (nextBlock != null)
{
textBlock = nextBlock;
absolute1.Y = viewElement.PointToAbsolute((PointF)textBlock.ControlBoundingRectangle.Location).Y;
}
else
{
break;
}
}
PointF location = (PointF)textBlock.ControlBoundingRectangle.Location;
PointF absolute2 = viewElement.PointToAbsolute(location);
PointF pointF = new PointF((float)endBlock.ControlBoundingRectangle.Right, (float)endBlock.ControlBoundingRectangle.Y);
pointF = viewElement.PointToAbsolute(pointF);
absolute1.X = absolute2.X;
boundingRectangle.Width = pointF.X - boundingRectangle.X;
boundingRectangle.Location = absolute1;
return(boundingRectangle);
}
public static bool IsTabOrWhitespace(string text)
{
if (!TextBoxWrapPanel.IsTab(text))
{
return(TextBoxWrapPanel.IsWhitespace(text));
}
return(true);
}
public static bool IsSpecialText(string text)
{
if (!TextBoxWrapPanel.IsWhitespace(text) && !TextBoxWrapPanel.IsTab(text) && (!TextBoxWrapPanel.IsLineFeed(text) && !TextBoxWrapPanel.IsCarriageReturn(text)) && !(text == Environment.NewLine))
{
return(TextBoxWrapPanel.ContainsNewLine(text));
}
return(true);
}
protected virtual SizeF ArrangeWithLeftAlignment(SizeF finalSize)
{
RectangleF clientRectangle = this.GetClientRectangle(finalSize);
float x = clientRectangle.X;
float y = clientRectangle.Y;
foreach (LineInfo line in (ReadOnlyCollection <LineInfo>) this.lines)
{
ITextBlock startBlock = line.StartBlock;
ITextBlock endBlock = line.EndBlock;
int index = startBlock.Index;
if (TextBoxWrapPanel.IsWhitespace(startBlock.Text) && !TextBoxWrapPanel.IsTab(startBlock.Text) && this.lines.IndexOf(line) > 0)
{
++index;
}
for (; index <= endBlock.Index; ++index)
{
RadElement child = this.Children[index];
ITextBlock textBlock = child as ITextBlock;
child.InvalidateArrange();
PointF location = new PointF(x, y);
SizeF desiredSize = textBlock.DesiredSize;
float baselineOffset = this.GetBaselineOffset(line, textBlock);
location.Y += (float)Math.Ceiling((double)baselineOffset);
textBlock.Arrange(new RectangleF(location, desiredSize));
if (textBlock == endBlock)
{
float width = (float)(endBlock.ControlBoundingRectangle.Right - startBlock.ControlBoundingRectangle.X);
line.Size = new SizeF(width, line.Size.Height);
}
x += desiredSize.Width;
}
x = clientRectangle.X;
y += line.Size.Height + (float)this.lineSpacing;
}
return(finalSize);
}
