private bool SelectImageIfPossible(ALAsset asset, int sectionIndex)
{
if (SelectedImages.Count == 10)
{
SetToasterText("You can select a maximum of 10 images");
return(false);
}
SelectedImages.Add(asset);
UpdateNavigationBar();
bool allSectionImageSelected = true;
foreach (var image in Sections[sectionIndex].Images)
{
if (!SelectedImages.Contains(image.Asset))
{
allSectionImageSelected = false;
break;
}
}
if (allSectionImageSelected)
{
Sections[sectionIndex].Selected = true;
using (var headerKind = new NSString("UICollectionElementKindSectionHeader"))
{
if (CollectionView.GetSupplementaryView(headerKind, NSIndexPath.FromItemSection(0, sectionIndex)) is SelectableDateCollectionHeaderView header)
{
header.UpdateSelectedState(true, true);
}
}
}
return(true);
}
private void UnselectImage(ALAsset asset, int sectionIndex)
{
SelectedImages.Remove(asset);
UpdateNavigationBar();
if (!Sections[sectionIndex].Selected)
{
return;
}
Sections[sectionIndex].Selected = false;
using (var headerKind = new NSString("UICollectionElementKindSectionHeader"))
{
if (CollectionView.GetSupplementaryView(headerKind, NSIndexPath.FromItemSection(0, sectionIndex)) is SelectableDateCollectionHeaderView header)
{
header.UpdateSelectedState(false, true);
}
}
}
private void updateEditingHours()
{
var startEditingHour = CollectionView
.GetSupplementaryView(CalendarCollectionViewLayout.EditingHourSupplementaryViewKind, NSIndexPath.FromItemSection(0, 0)) as EditingHourSupplementaryView;
var endEditingHour = CollectionView
.GetSupplementaryView(CalendarCollectionViewLayout.EditingHourSupplementaryViewKind, NSIndexPath.FromItemSection(1, 0)) as EditingHourSupplementaryView;
var attrs = layoutAttributes[(int)editingItemIndexPath.Item];
if (startEditingHour != null)
{
var hour = attrs.StartTime.ToLocalTime();
startEditingHour.SetLabel(hour.ToString(editingHourFormat()));
}
if (endEditingHour != null)
{
var hour = attrs.EndTime.ToLocalTime();
endEditingHour.SetLabel(hour.ToString(editingHourFormat()));
}
}
