Exemplo n.º 1
0
        public virtual void OnCellSelectionChanged(UITableViewCell cell, bool selected, bool setFromBinding)
        {
            var tableView = TableView;

            if (!setFromBinding || tableView == null)
            {
                return;
            }

            UpdateSelectedItemInternal(tableView, cell.DataContext(), selected);
            var path = IndexPathForCell(tableView, cell);

            if (path == null)
            {
                return;
            }
            if (selected)
            {
                tableView.SelectRow(path, UseAnimations, UITableViewScrollPosition.None);
            }
            else
            {
                try
                {
                    //NOTE sometimes this code throw an exception on iOS 8, in this case we are using the WillDisplay method to deselect row.
                    tableView.DeselectRow(path, UseAnimations);
                }
                catch
                {
                    cell.Tag |= SelectedFromBindingStateFalseMask;
                }
            }
        }
Exemplo n.º 2
0
        public virtual bool UpdateSelectedBindValue(UITableViewCell cell, bool selected)
        {
            var tableView = TableView;

            if (tableView == null || tableView.AllowsMultipleSelection)
            {
                return(selected);
            }

            if (!tableView.AllowsSelection)
            {
                return(false);
            }
            if (HasMask(cell, InitializingStateMask))
            {
                if (Equals(cell.DataContext(), SelectedItem))
                {
                    return(true);
                }
                return(selected && SelectedItem == null);
            }
            return(selected);
        }
        public virtual void OnCellSelectionChanged(UITableViewCell cell, bool selected, bool setFromBinding)
        {
            var tableView = TableView;
            if (!setFromBinding || tableView == null)
                return;

            UpdateSelectedItemInternal(tableView, cell.DataContext(), selected);
            var path = IndexPathForCell(tableView, cell);
            if (path == null)
                return;
            if (selected)
                tableView.SelectRow(path, UseAnimations, UITableViewScrollPosition.None);
            else
            {
                try
                {
                    //NOTE sometimes this code throw an exception on iOS 8, in this case we are using the WillDisplay method to deselect row.
                    tableView.DeselectRow(path, UseAnimations);
                }
                catch
                {
                    cell.Tag |= SelectedFromBindingStateFalseMask;
                }
            }
        }
        public virtual bool UpdateSelectedBindValue(UITableViewCell cell, bool selected)
        {
            var tableView = TableView;
            if (tableView == null || tableView.AllowsMultipleSelection)
                return selected;

            if (!tableView.AllowsSelection)
                return false;
            if (HasMask(cell, InitializingStateMask))
            {
                if (Equals(cell.DataContext(), SelectedItem))
                    return true;
                return selected && SelectedItem == null;
            }
            return selected;
        }