private void WriteToItemCanvasLog(IVisualItemMore visualItem)
{
var rowCol = visualItem.ShowRowCol( );
SpecialLogFile.AppendTextLine(
"write to canvas. " + rowCol.ToString() + " " + visualItem.ToString());
}
public static string TypeCode(this IVisualItemMore item)
{
if (item.ClassCode == "Spanner")
{
return(item.ClassCode);
}
else if (item.ShowItem == null)
{
return("Literal");
}
else
{
return("Field");
}
}
/// <summary>
/// important function. Places the actual frameworkElement of the VisualItem on
/// the canvas.
/// </summary>
/// <param name="visualItem"></param>
/// <param name="Elem"></param>
public Point AddItemToCanvas(IVisualItemMore visualItem, FrameworkElement Elem)
{
// start column is beyond screen size. Advance to column 0 of the next row.
var rowCol = visualItem.ShowRowCol();
// calc the x,y dot position of the visual item.
var pos = rowCol.ToCanvasPos(this.CanvasDefn.CharBoxDim);
this.Canvas.Children.Add(Elem);
System.Windows.Controls.Canvas.SetLeft(Elem, pos.X);
System.Windows.Controls.Canvas.SetTop(Elem, pos.Y);
visualItem.IsOnCanvas = true;
return(pos);
}
