private VisualItem VisualItemFactory(IVisualItem ShowItem)
{
VisualItem visualItem = null;
if (ShowItem.DoesShowSpanMultipleRows() == true)
{
visualItem = new VisualSpanner(
ShowItem.ShowText, ShowItem.ItemRowCol, ShowItem.AttrByte,
this.CanvasDefn);
visualItem.CreateFromItem = (ShowItemBase)ShowItem;
}
else
{
visualItem = new VisualTextBlock(
ShowItem.ShowText, ShowItem.ItemRowCol, ShowItem.AttrByte,
this.CanvasDefn.CharBoxDim, this.CanvasDefn.KernDim,
this.CanvasDefn.FontDefn);
visualItem.CreateFromItem = (ShowItemBase)ShowItem;
}
return(visualItem);
}
/// <summary>
/// create VisualTextBlock or VisualSpanner from string to display on the
/// canvase. If string spans multiple rows, create VisualSpanner which in turn
/// contains multiple VisualTextBlock segments.
/// </summary>
/// <param name="ShowText"></param>
/// <param name="ItemRowCol"></param>
/// <param name="AttrByte"></param>
/// <param name="TailAttrByte"></param>
/// <returns></returns>
public VisualItem VisualItemFactory(string ShowText, ZeroRowCol ItemRowCol,
byte?AttrByte, byte?TailAttrByte)
{
VisualItem visualItem = null;
if (CanvasCommon.DoesSpanMultipleRows(
ItemRowCol, AttrByte, ShowText.Length) == true)
{
visualItem =
new VisualSpanner(ShowText, ItemRowCol, AttrByte, this.CanvasDefn);
}
else
{
visualItem = new VisualTextBlock(
ShowText, ItemRowCol, AttrByte,
this.CanvasDefn.CharBoxDim, this.CanvasDefn.KernDim,
this.CanvasDefn.FontDefn);
visualItem.TailAttrByte = TailAttrByte;
}
return(visualItem);
}
public VisualItem VisualItemFactory(ScreenContent ScreenContent, ContentField contentField)
{
VisualItem visualItem = null;
if (contentField is ContinuedContentField)
{
var contField = contentField as ContinuedContentField;
if (contField.ContinuedFieldSegmentCode == ContinuedFieldSegmentCode.First)
{
visualItem =
new VisualSpanner(ScreenContent, contField, this.CanvasDefn);
}
}
else
{
visualItem = this.VisualItemFactory(
contentField.GetShowText(ScreenContent),
contentField.RowCol,
contentField.GetAttrByte(ScreenContent),
contentField.GetTailAttrByte(ScreenContent));
}
return(visualItem);
}