private Size UpdatePictureBoxImage(IImageOwner imageOwner = null)
{
if (pictureBox.Image != null)
{
pictureBox.Image.Dispose();
pictureBox.Image = null;
}
if (imageOwner == null || string.IsNullOrEmpty(imageOwner.Image))
{
return(Size.Empty);
}
using (var image = PersistenceManager.LoadImage(imageOwner.Image))
{
pictureBox.Image = image.ReduceToFit(pictureBox.ClientSize.Width, pictureBox.ClientSize.Height);
return(image.Size);
}
}
private void UpdateButtonsState(IImageOwner selectedItem)
{
if (selectedItem == null)
{
btnAdd.Enabled = true;
btnUp.Enabled = false;
btnDown.Enabled = false;
btnDelete.Enabled = false;
return;
}
var index = 0;
var total = 0;
switch (selectedItem)
{
case Project previewItem:
index = _portfolio.Projects.IndexOf(previewItem);
total = _portfolio.Projects.Count;
btnAdd.Enabled = true;
break;
case ProjectItem portfolioItem:
index = portfolioItem.Parent.Items.IndexOf(portfolioItem);
total = portfolioItem.Parent.Items.Count;
btnAdd.Enabled = false;
break;
}
var isFirst = index == 0;
var isLast = index == total - 1;
btnUp.Enabled = !isFirst;
btnDown.Enabled = !isLast;
btnDelete.Enabled = true;
}