Exemple #1
0
 public static IScrollViewLayout VariableViewSizeLayout <TData>(
     IReactiveCollection <TData> data,
     Func <TData, float> viewSizeFactory,
     LinearLayoutSettings settings)
 {
     return(LinearVariableSizeLayout.Create(data, viewSizeFactory, settings));
 }
Exemple #2
0
        public static LinearVariableSizeLayout Create <TData>(IReactiveCollection <TData> data,
                                                              Func <TData, float> viewSizeFactory, LinearLayoutSettings settings)
        {
            var layout = new LinearVariableSizeLayout(settings);

            layout.settings      = settings;
            layout.directionSign = settings.direction == LayoutDirection.Horizontal ? 1 : -1;

            layout.addConnection = data.update.Subscribe(e =>
            {
                switch (e.type)
                {
                case ReactiveCollectionEventType.Reset:
                    layout.RefillFromPos(0, data, viewSizeFactory);
                    break;

                case ReactiveCollectionEventType.Insert:
                case ReactiveCollectionEventType.Remove:
                case ReactiveCollectionEventType.Set:
                    layout.RefillFromPos(e.position, data, viewSizeFactory);
                    break;
                }
            });
            layout.RefillFromPos(0, data, viewSizeFactory);
            return(layout);
        }
Exemple #3
0
        public static TableConnectionsAndComponents <TViewGroup, GroupItem <TGroup, TData, TView> > PresentGrouped <TData,
                                                                                                                    TView, TGroup, TViewGroup>(
            IViewPort viewPort,
            IReactiveCollection <TData> collection,
            Func <TData, TGroup> grouper,
            IViewPool <TView, TData> viewPool,
            IViewPool <TViewGroup, TGroup> groupViewPool,
            Action <TData, TView> show,
            Action <TGroup, TViewGroup> showGroup,
            Func <IReactiveCollection <TData>, IScrollViewLayout> layoutFactory,
            Func <TGroup, TGroup, int> groupSort,
            Func <TData, TData, int> itemSort,
            LinearLayoutSettings settings,
            TableDelegates <TView> delegates = null,
            TableDelegates <TViewGroup> groupViewDelegates = null
            ) where TView : ReusableView where TViewGroup : ReusableView
        {
            float LayoutBoundingsFactory(GroupItem <TGroup, TData, TView> item) =>
            item.layout.size.value + settings.mainSize;

            var grouped         = new ReactiveCollection <GroupItem <TGroup, TData, TView> >();
            var groupLayout     = LinearVariableSizeLayout.Create(grouped, LayoutBoundingsFactory, settings);
            var groupComponents = new TableConnectionsAndComponents <TViewGroup, GroupItem <TGroup, TData, TView> >()
            {
                layout     = groupLayout,
                collection = grouped,
                viewPort   = viewPort,
                viewLoader = new LinearViewLoader <TViewGroup, GroupItem <TGroup, TData, TView> >(
                    new ViewPoolProxyMap <TViewGroup, GroupItem <TGroup, TData, TView>, TGroup>
                {
                    viewPoolImplementation = groupViewPool,
                    map = i => i.g
                }, (i, view) => showGroup(i.g, view)),
                delegates = groupViewDelegates
            };

            List <GroupItem <TGroup, TData, TView> > groupPool = new List <GroupItem <TGroup, TData, TView> >();

            void RecycleGroup(GroupItem <TGroup, TData, TView> group)
            {
                group.DisconnectAll();
                ((ReactiveCollection <TData>)group.collection).Clear();
                groupPool.Add(group);
            }

            void UpdateLayoutsFromPos(int index)
            {
                groupLayout.RefillFromPos(index, grouped, LayoutBoundingsFactory);
                for (var i = index; i < grouped.Count; i++)
                {
                    var groupView = grouped[i];
                    groupView.layout.SetEndShift(groupLayout.EndPointForIndex(i));
                }
            }

            GroupItem <TGroup, TData, TView> CreateGroupItem(TGroup g, TData firstItem)
            {
                if (groupPool.Count > 0)
                {
                    var groupItem = groupPool.TakeLast();
                    ((ReactiveCollection <TData>)groupItem.collection).Add(firstItem);
                    groupItem.g = g;
                    return(groupItem);
                }
                else
                {
                    var groupColl = new ReactiveCollection <TData>();
                    groupColl.Add(firstItem);
                    var groupItem = new GroupItem <TGroup, TData, TView>();
                    groupItem.viewLoader =
                        new LinearViewLoader <TView, TData>(viewPool, show);
                    groupItem.delegates  = delegates;
                    groupItem.collection = groupColl;
                    groupItem.viewPort   = viewPort;
                    groupItem.layout     = layoutFactory(groupItem.collection);
                    groupItem.layout.UpdatePrefabSizeInfo(viewPool.sampleViewSize(firstItem));
                    groupItem.g = g;
                    return(groupItem);
                }
            }

            groupComponents.addConnection = collection.BindCollection(ev =>
            {
                if (ev.type == ReactiveCollectionEventType.Reset)
                {
                    foreach (var groupView in grouped)
                    {
                        RecycleGroup(groupView);
                    }
                    grouped.Clear();

                    foreach (var tData in ev.newData)
                    {
                        var g = grouper(tData);
                        // Lazy read group view size
                        if (settings.forceSize == Vector2.zero)
                        {
                            settings.forceSize = groupViewPool.sampleViewSize(g);
                        }
                        if (grouped.TryFind(elem => EqualityComparer <TGroup> .Default.Equals(g, elem.g), out var coll))
                        {
                            ((ReactiveCollection <TData>)coll.collection).InsertSorted(itemSort, tData);
                        }
                        else
                        {
                            var groupItem = CreateGroupItem(g, tData);
                            groupComponents.addConnection = groupItem;
                            grouped.InsertSorted((g1, g2) => groupSort(g1.g, g2.g), groupItem);
                        }
                    }

                    foreach (var groupView in grouped)
                    {
                        groupView.layout.count = groupView.collection.Count;
                        groupView.layout.RefreshSize();
                    }
                    groupLayout.Refill(grouped, LayoutBoundingsFactory);
                    for (var i = 0; i < grouped.Count; i++)
                    {
                        var groupView = grouped[i];
                        groupView.layout.SetEndShift(groupLayout.EndPointForIndex(i));
                        ControlItemVisibilityAndRecycle(groupView);
                    }
                }
                else if (ev.type == ReactiveCollectionEventType.Remove)
                {
                    var g         = grouper(ev.oldItem);
                    var groupView = grouped.Find(v => EqualityComparer <TGroup> .Default.Equals(v.g, g));
                    if (groupView == null)
                    {
                        throw new ZergRushException("wtf");
                    }
                    var gColl = ((ReactiveCollection <TData>)groupView.collection);

                    var index    = grouped.IndexOf(groupView);
                    var initSize = groupView.layout.size.value;
                    gColl.Remove(ev.oldItem);

                    if (gColl.Count == 0)
                    {
                        RecycleGroup(groupView);
                        grouped.RemoveAt(index);
                    }

                    if (gColl.Count == 0 || initSize != groupView.layout.size.value)
                    {
                        UpdateLayoutsFromPos(index);
                    }
                }
                else if (ev.type == ReactiveCollectionEventType.Insert)
                {
                    var g = grouper(ev.newItem);
                    bool needUpdatePos = false;
                    bool groupIsNew    = false;
                    var indexOfGroup   = grouped.IndexOf(v => EqualityComparer <TGroup> .Default.Equals(v.g, g));
                    var groupView      = indexOfGroup != -1 ? grouped[indexOfGroup] : null;
                    if (groupView == null)
                    {
                        groupView = CreateGroupItem(g, ev.newItem);
                        groupComponents.addConnection = groupView;
                        indexOfGroup           = grouped.InsertSorted((g1, g2) => groupSort(g1.g, g2.g), groupView);
                        groupView.layout.count = 1;
                        groupView.layout.RefreshSize();
                        needUpdatePos = true;
                        groupIsNew    = true;
                    }
                    else
                    {
                        var initSize = groupView.layout.size.value;
                        ((ReactiveCollection <TData>)groupView.collection).InsertSorted(itemSort, ev.newItem);
                        if (initSize != groupView.layout.size.value)
                        {
                            needUpdatePos = true;
                        }
                    }

                    if (needUpdatePos)
                    {
                        UpdateLayoutsFromPos(indexOfGroup);
                    }

                    if (groupIsNew)
                    {
                        ControlItemVisibilityAndRecycle(groupView);
                    }
                }
                else
                {
                    throw new NotImplementedException();
                }
            });

            ControlItemVisibilityAndRecycle(groupComponents);

            if (viewPort is ScrollRectViewPort scroll)
            {
                groupComponents.addConnection = scroll.BindToLayout(groupLayout);
            }

            groupComponents.addConnection = new AnonymousDisposable(() =>
            {
                groupComponents.collection.ForEach(groupView =>
                {
                    groupView.DisconnectAll();
                });
            });

            return(groupComponents);
        }