public override CGSize SizeForItem(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, NSIndexPath indexPath)
{
var macToolboxWidget = (MacToolboxWidget)collectionView;
var dataSource = (MacToolboxWidgetDataSource)collectionView.DataSource;
var flowLayout = (NSCollectionViewFlowLayout)collectionViewLayout;
return(flowLayout.ItemSize);
}
public override CGSize SizeForItem(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, NSIndexPath indexPath)
{
var delegateFlowLayout = (MacToolbarFlowLayout)collectionViewLayout;
if (delegateFlowLayout.SectionAtIndexIsCollapsed((nuint)indexPath.Section))
{
return(new CGSize(0, 0));
}
if (IsOnlyImage)
{
return(MacInspectorToolbarImageCollectionViewItem.Size);
}
var sectionInset = delegateFlowLayout.SectionInset;
return(new CGSize(collectionView.Frame.Width - sectionInset.Left - sectionInset.Right, MacInspectorToolbarCollectionViewItem.ItemHeight));
}
public override CGSize ReferenceSizeForHeader(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, nint section)
{
return(new CGSize(Width - 1, Height));
}
public override NSEdgeInsets InsetForSection(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, nint section)
{
return(new NSEdgeInsets(0, 0, 0, 0));
}
public override CGSize SizeForItem(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, NSIndexPath indexPath)
{
var flowLayout = (NSCollectionViewFlowLayout)collectionViewLayout;
return(flowLayout.ItemSize);
}
public override CGSize ReferenceSizeForFooter(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, nint section)
{
return(CGSize.Empty);
}
public override CGSize ReferenceSizeForHeader(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, nint section)
{
if (!IsShowCategories)
{
return(CGSize.Empty);
}
var delegateFlowLayout = ((MacToolbarFlowLayout)collectionViewLayout);
var sectionInset = delegateFlowLayout.SectionInset;
return(new CGSize(collectionView.Frame.Width, MacInspectorToolbarHeaderCollectionViewItem.SectionHeight));
}
public override CoreGraphics.CGSize SizeForItem(NSCollectionView collectionView, NSCollectionViewLayout collectionViewLayout, NSIndexPath indexPath)
{
// NSCollectionView sucks. It's hard to make it calc items sizes.
// Calculating the size manually here.
var i = dataSource.Data[(int)indexPath.Item];
using (var g = new Graphics())
{
var sz = g.MeasureString(i.Label, resources.AxesFont);
sz.Width +=
40 /* preview width */
+ 3 /* preview left padding */
+ 3 /* space between preview and label */
+ 1 /* extra space just in case */;
sz.Height +=
1 /* extra space just in case */;
return(sz.ToCGSize());
}
}
