private SizeD CalculateSize()
{
ListField listField = ListField;
int count = this.GetItemCount(listField);
double height = HeaderBounds.Height + listField.GetItemHeight(this) * count;
double width = 0;
BarkerEntityShape entityShape = ParentShape as BarkerEntityShape;
string entityName = entityShape.AccessibleName;
StyleSet styleSet = StyleSet;
Font defaultFont = styleSet.GetFont(listField.NormalFontId);
Font alternateFont = styleSet.GetFont(listField.AlternateFontId);
Font entityNameFont = entityShape.StyleSet.GetFont(new StyleSetResourceId(string.Empty, "ShapeTextBold10"));
using (Graphics g = Graphics.FromHwnd(GetDesktopWindow()))
{
double entityNameWidth = (double)g.MeasureString(entityName, entityNameFont, int.MaxValue, DefaultStringFormat).Width + BarkerEntityExtraWidth;
// Changes the width if the current width is less than the width of the table name.
if (width < entityNameWidth)
{
width = entityNameWidth;
}
// Iterates through the column list to check the widths of the column names.
for (int i = 0; i < count; ++i)
{
ItemDrawInfo itemDrawInfo = new ItemDrawInfo();
GetItemDrawInfo(listField, i, itemDrawInfo);
bool isMandatory = (this.Items[i] as Barker.Attribute).IsMandatory;
string text = itemDrawInfo.Text;
// Gets the size of the column name in the context of the compartment
double stringWidth = (double)g.MeasureString(text, isMandatory ? alternateFont : defaultFont, int.MaxValue, DefaultStringFormat).Width + AttributeExtraWidth;
// Changes the width if the current width is less than the width of the column name.
if (width < stringWidth)
{
width = stringWidth;
}
}
}
return(new SizeD(width, height));
}
/// <summary>
/// Draw the various constraint types
/// </summary>
protected override void OnPaintShape(DiagramPaintEventArgs e, ref PaintHelper paintHelper)
{
base.OnPaintShape(e, ref paintHelper);
RectangleD bounds = AbsoluteBounds;
Graphics g = e.Graphics;
StringFormat stringFormat = new StringFormat();
stringFormat.LineAlignment = StringAlignment.Center;
stringFormat.Alignment = StringAlignment.Center;
Font font = StyleSet.GetFont(FrequencyConstraintTextResource);
g.DrawString(GetFrequencyString(), font, paintHelper.Brush, RectangleD.ToRectangleF(bounds), stringFormat);
}
