public override void SetEditing(bool editing, bool animated)
{
base.SetEditing(editing, animated);
if (CollectionViewExtended.IsEditing == editing)
{
return;
}
if (CollectionView?.GetIndexPathsForSelectedItems() != null)
{
foreach (var indexPath in CollectionView.GetIndexPathsForSelectedItems())
{
CollectionView.DeselectItem(indexPath, animated);
}
}
CollectionViewExtended.SetEditing(editing, animated);
UIView.Animate(0.2f, () =>
{
toolbarBottomConstraint.Constant = editing ? 0 : toolbar.Bounds.Bottom;
CollectionView.ContentInset = new UIEdgeInsets(CollectionView.ContentInset.Top,
CollectionView.ContentInset.Left, editing ? toolbar.Bounds.Height : 0.0f,
CollectionView.ContentInset.Right);
CollectionView.ScrollIndicatorInsets = CollectionView.ContentInset;
CollectionView.LayoutIfNeeded();
});
}
public override void ItemSelected(UICollectionView collectionView, MonoTouch.Foundation.NSIndexPath indexPath)
{
if (AddItem != null)
{
AddItem(Items[indexPath.Section][indexPath.Row]);
}
CollectionView.DeselectItem(indexPath, true);
}
// Called by Forms to clear the native selection
internal void ClearSelection()
{
var selectedItemIndexes = CollectionView.GetIndexPathsForSelectedItems();
foreach (var index in selectedItemIndexes)
{
CollectionView.DeselectItem(index, true);
}
}
internal void ClearSelection()
{
var paths = CollectionView.GetIndexPathsForSelectedItems();
foreach (var path in paths)
{
CollectionView.DeselectItem(path, false);
}
}
public void ItemSelected(UICollectionView collectionView, NSIndexPath indexPath)
{
CollectionView.DeselectItem(indexPath, true);
LandingItem item = Items [(int)indexPath.Section][(int)indexPath.Item];
Action action = item.Action;
if (action != null)
{
action();
}
}
private void DeselectAllItems()
{
foreach (var item in ViewModel.Items)
{
item.IsSelected = false;
}
foreach (var item in CollectionView.GetIndexPathsForSelectedItems())
{
CollectionView.DeselectItem(item, true);
}
}
/// <summary>
/// Programatically deselect all selected assets.
/// </summary>
/// <param name="animated">If set to <c>true</c> animated.</param>
public void DeselectAllAssets(bool animated)
{
var items = CollectionView.GetIndexPathsForSelectedItems();
if (items == null)
{
return;
}
foreach (var selectedPath in items)
{
CollectionView.DeselectItem(selectedPath, animated);
}
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
var selectedItems = CollectionView.GetIndexPathsForSelectedItems();
if (selectedItems.Length == 0)
{
return;
}
UIView.Animate(0.3f, 0.0f, UIViewAnimationOptions.CurveLinear, () => {
CollectionView.DeselectItem(selectedItems [0], true);
}, null);
}
void SynchronizeNativeSelectionWithSelectedItems()
{
var selectedItems = ItemsView.SelectedItems;
var selectedIndexPaths = CollectionView.GetIndexPathsForSelectedItems();
foreach (var path in selectedIndexPaths)
{
var itemAtPath = GetItemAtIndex(path);
if (ShouldNotBeSelected(itemAtPath, selectedItems))
{
CollectionView.DeselectItem(path, true);
}
}
foreach (var item in selectedItems)
{
SelectItem(item);
}
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
var selectedItems = CollectionView.GetIndexPathsForSelectedItems();
if (selectedItems.Length > 0)
{
UIView.Animate(0.3, 0, UIViewAnimationOptions.CurveLinear,
() => CollectionView.DeselectItem(selectedItems [0], true)
, null);
}
if (detailViewController == null)
{
return;
}
UserActivity = null;
detailViewController = null;
}
/// <summary>
/// Programatically deselect asset.
/// </summary>
/// <param name="index">Index.</param>
/// <param name="animated">If set to <c>true</c> animated.</param>
public void DeselectAsset(int index, bool animated)
{
var path = NSIndexPath.FromItemSection(index, LayoutConfiguration.SectionIndexForAssets);
CollectionView.DeselectItem(path, animated);
}
