protected override void Assign(BaseControlViewInfo info)
{
base.Assign(info);
DragImageEditViewInfo be = info as DragImageEditViewInfo;
if (be == null)
{
return;
}
this.Image = be.Image;
this._HorizontOffset = be._HorizontOffset;
this._VerticalOffset = be._VerticalOffset;
}
protected virtual void DrawImage(ControlGraphicsInfoArgs info)
{
DragImageEditViewInfo vi = info.ViewInfo as DragImageEditViewInfo;
if (!(vi.EditValue is EditValueInstance))
{
vi.PaintAppearance.DrawString(info.Cache, "incorrect editvalue", new Rectangle(new Point(vi.Bounds.Location.X + 5, vi.Bounds.Location.Y), vi.Bounds.Size), vi.PaintAppearance.GetStringFormat(vi.DefaultTextOptions));
return;
}
Size imageSize = Size.Empty;
try { if (vi.Image != null)
{
imageSize = vi.Image.Size;
}
}
catch { }
if (vi.Image == null || imageSize.IsEmpty)
{
string text = Localizer.Active.GetLocalizedString(StringId.DataEmpty);
if (vi.Item.NullText != null && vi.Item.NullText.Length > 0)
{
text = vi.Item.NullText;
}
vi.PaintAppearance.DrawString(info.Cache, text, vi.Bounds, vi.PaintAppearance.GetStringFormat(vi.DefaultTextOptions));
return;
}
int x, y;
Rectangle r = vi.Bounds;
x = -vi.HorizontOffset;
y = -vi.VerticalOffset;
GraphicsClipState state = info.Cache.ClipInfo.SaveAndSetClip(vi.ContentRect);
try {
info.Cache.Paint.DrawImage(info.Graphics, vi.Image,
new Rectangle(r.X + x, r.Y + y, vi.Image.Width, vi.Image.Height),
new Rectangle(0, 0, vi.Image.Width, vi.Image.Height), true);
}
finally {
info.Cache.ClipInfo.RestoreClipRelease(state);
}
}