public Preview AddPreview(DEngine de, DViewer dv, DEngine sibling)
{
// suspend layout
SuspendLayout();
// index of new preview
int idx;
if (sibling != null)
idx = GetPreviewIndex(sibling) + 1;
else
idx = Controls.Count;
// create preview
Preview p = new Preview(de);
p.Parent = this;
Controls.SetChildIndex(p, idx);
// set preview properties
p.Height = PreviewHeight;
SetPreviewPositions();
p.Click += new EventHandler(p_Click);
p.PreviewContext += new PreviewContextHandler(p_PreviewContext);
p.PreviewMove += new PreviewMoveHandler(p_PreviewMove);
p.PreviewFigureDrop += new PreviewFigureDropHandler(p_PreviewFigureDrop);
p.PreviewNameChanged += new PreviewNameChangedHandler(p_PreviewNameChanged);
p.DragOver += new DragEventHandler(p_DragOver);
// select it
p.Selected = true;
DoPreviewSelected(p);
// resume layout
ResumeLayout();
// return p
return p;
}
public void MatchPreviewsToEngines(IList<DEngine> engines, DViewer dv)
{
// Remove previews that dont have a matching preview
for (int i = Controls.Count-1; i >= 0; i--)
{
Preview p = (Preview)Controls[i];
if (engines.IndexOf(p.DEngine) == -1)
RemovePreview(p.DEngine);
}
// Add previews for engines that dont have them
for (int i = 0; i < engines.Count; i++)
{
if (GetPreviewIndex(engines[i]) == -1)
{
if (i > 0)
AddPreview(engines[i], dv, engines[i - 1]);
else
AddPreview(engines[i], dv, null);
}
}
// Move previews that dont match engine order
bool reorder = false;
for (int i = 0; i < engines.Count; i++)
{
int idx = GetPreviewIndex(engines[i]);
if (idx != i)
{
Controls.SetChildIndex(Controls[idx], i);
reorder = true;
}
}
if (reorder)
SetPreviewPositions();
}