protected override Size OnLayoutSize(ActivityDesignerLayoutEventArgs e)
{
Size size = base.OnLayoutSize(e);
CompositeDesignerTheme designerTheme = e.DesignerTheme as CompositeDesignerTheme;
if ((this.Expanded && (base.ActiveDesigner == this)) && (designerTheme != null))
{
if (this.HelpText.Length > 0)
{
this.helpTextSize = ActivityDesignerPaint.MeasureString(e.Graphics, designerTheme.Font, this.HelpText, StringAlignment.Center, DefaultHelpTextSize);
}
size.Height += designerTheme.ConnectorSize.Height;
foreach (ActivityDesigner designer in this.ContainedDesigners)
{
Size size2 = designer.Size;
size.Width = Math.Max(size.Width, size2.Width);
size.Height += size2.Height;
size.Height += designerTheme.ConnectorSize.Height;
}
if (this.ContainedDesigners.Count == 0)
{
Rectangle helpTextRectangle = this.HelpTextRectangle;
size.Width = Math.Max(helpTextRectangle.Width, size.Width);
size.Height += helpTextRectangle.Height;
size.Height += designerTheme.ConnectorSize.Height;
}
size.Width = Math.Max(size.Width, designerTheme.Size.Width);
size.Width += 3 * e.AmbientTheme.Margin.Width;
size.Width += 2 * e.AmbientTheme.SelectionSize.Width;
size.Height = Math.Max(size.Height, designerTheme.Size.Height);
}
return(size);
}
/// <summary>
/// Layouts the visual cues inside Header/Footer
/// </summary>
/// <param name="e">ActivityDesignerLayoutEventArgs holding layouting arguments</param>
public virtual void OnLayout(ActivityDesignerLayoutEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if (!String.IsNullOrEmpty(Text) && e.DesignerTheme != null && e.DesignerTheme.Font != null)
{
using (Font font = new Font(e.DesignerTheme.Font.FontFamily, e.DesignerTheme.Font.SizeInPoints + 1.0f, FontStyle.Bold))
this.textSize = ActivityDesignerPaint.MeasureString(e.Graphics, font, Text, StringAlignment.Center, Size.Empty);
}
}
protected override Size OnLayoutSize(ActivityDesignerLayoutEventArgs e)
{
Size containerSize = base.OnLayoutSize(e);
CompositeDesignerTheme compositeDesignerTheme = e.DesignerTheme as CompositeDesignerTheme;
if (Expanded && ActiveDesigner == this && compositeDesignerTheme != null)
{
if (this.HelpText.Length > 0)
{
this.helpTextSize = ActivityDesignerPaint.MeasureString(e.Graphics, compositeDesignerTheme.Font, this.HelpText, StringAlignment.Center, SequentialActivityDesigner.DefaultHelpTextSize);
}
//Calculate the size based on child size
containerSize.Height += compositeDesignerTheme.ConnectorSize.Height; //Add the height of first connector
foreach (ActivityDesigner activityDesigner in ContainedDesigners)
{
Size childSize = activityDesigner.Size;
containerSize.Width = Math.Max(containerSize.Width, childSize.Width);
containerSize.Height += childSize.Height;
containerSize.Height += compositeDesignerTheme.ConnectorSize.Height;
}
if (ContainedDesigners.Count == 0)
{
Rectangle helpTextRectangle = HelpTextRectangle;
containerSize.Width = Math.Max(helpTextRectangle.Width, containerSize.Width);
containerSize.Height += helpTextRectangle.Height;
containerSize.Height += compositeDesignerTheme.ConnectorSize.Height; //Add the height of last connector
}
containerSize.Width = Math.Max(containerSize.Width, compositeDesignerTheme.Size.Width);
containerSize.Width += 3 * e.AmbientTheme.Margin.Width;
containerSize.Width += 2 * e.AmbientTheme.SelectionSize.Width;
containerSize.Height = Math.Max(containerSize.Height, compositeDesignerTheme.Size.Height);
}
return(containerSize);
}
