Пример #1
0
 public object this[int aPosition]
 {
     get
     {
         SectionHeader <SectionHeaderType> header = GetSectionHeader(aPosition);
         if (header != null)
         {
             // user has clicked on a header
             return(header.Header);
         }
         // user has clicked on an item, return it if loaded, or null if not
         int loaderPosition = GetLoaderPosition(aPosition);
         return(iLoader.Item(loaderPosition));
     }
 }
Пример #2
0
        private void EventMoveDownHandler(object sender, EventArgs args)
        {
            RecyclingContainerView senderView = sender as RecyclingContainerView;
            ViewCache cache = senderView.Tag as ViewCache;

            Assert.Check(cache != null);
            int position = cache.Position;
            SectionHeader <SectionHeaderType> header = GetSectionHeader(position);

            if (header != null)
            {
                OnEventSectionMovedDown(header.Header, position);
            }
            else
            {
                int      loaderPosition = GetLoaderPosition(position);
                ItemType item           = iLoader.Item(loaderPosition);
                Assert.Check(item != null);
                OnEventItemMovedDown(item, position);
            }
        }
Пример #3
0
        public override View GetView(int aPosition, View aConvertView, ViewGroup aParent)
        {
            RecyclingContainerView root = aConvertView as RecyclingContainerView;

            if (root == null)
            {
                root = CreateContainerView(iContext);
            }
            else if (root.HasResurfacedWithoutJNIHandle)
            {
                UserLog.WriteLine("Ticket #1194: Item has resurfaced after dispose! - " + iId);
                Assert.Check(false);
            }
            ViewCache cache = root.Tag as ViewCache;

            Assert.Check(cache != null);
            cache.Position = aPosition;
            SectionHeader <SectionHeaderType> header = GetSectionHeader(aPosition);
            ItemType item          = default(ItemType);
            bool     isPlaceholder = false;

            if (header != null)
            {
                SetHeader(root, header);
            }
            else
            {
                int loaderPosition = GetLoaderPosition(aPosition);
                item = iLoader.Item(loaderPosition);

                if (item != null)
                {
                    SetItem(root, item);
                }
                else
                {
                    SetItem(root, default(ItemType));
                    isPlaceholder = true;
                }
            }
            if (iEditMode && !isPlaceholder)
            {
                root.EditMode = aPosition == iDeleteIndex ? EItemEditMode.ConfirmDelete : EItemEditMode.Editing;
                if (header != null)
                {
                    root.CanDelete   = CanDeleteSection(header.Header, aPosition);
                    root.CanMoveUp   = CanMoveSectionUp(header.Header, aPosition);
                    root.CanMoveDown = CanMoveSectionDown(header.Header, aPosition);
                }
                else
                {
                    root.CanDelete   = CanDeleteItem(item, aPosition);
                    root.CanMoveUp   = CanMoveItemUp(item, aPosition);
                    root.CanMoveDown = CanMoveItemDown(item, aPosition);
                }
            }
            else
            {
                root.EditMode = EItemEditMode.None;
            }
            root.IsFirst = aPosition == 0;
            root.IsLast  = aPosition == Count - 1;
            return(root);
        }