public static TableConnectionsAndComponents <TView, TData> PresentInScrollWithLayout <TView, TData>(
TableConnectionsAndComponents <TView, TData> connectionsAndComponents,
ReactiveScrollRect scroll)
where TView : ReusableView
{
AdjustScrollRectContentAnchors(scroll.scroll, scroll.scroll.horizontal);
connectionsAndComponents.viewPort = new ScrollRectViewPort(scroll, connectionsAndComponents.layout,
connectionsAndComponents.connectionSink);
return(ControlItemVisibilityAndRecycle(connectionsAndComponents));
}
static TableConnectionsAndComponents <TView, TData> ControlItemVisibilityAndRecycle <TView, TData>(
TableConnectionsAndComponents <TView, TData> components)
where TView : ReusableView
{
var viewStorage = components.viewLoader;
var viewPort = components.viewPort;
var layout = components.layout;
var delegates = components.delegates ?? new TableDelegates <TView>();
var collection = components.collection;
components.addConnection = new AnonymousDisposable(() => { viewStorage.UnloadAll(); });
components.addConnection = components.collection.CountCell().Bind(c =>
{
layout.count = c;
layout.RefreshSize();
});
// And show actions to set layouted position and show appear animations if any
Action <TData, TView> setLayoutPos = (data, view) =>
{
//Debug.Log($"pos for index {view.indexInModel}, view {view.GetHashCode()}");
layout.CorrectViewAnchors(view);
view.rectTransform.SetAnchorPositionInASaneWay(layout.AncoredPositionForIndex(view.indexInModel));
};
setLayoutPos += viewStorage.showAction;
viewStorage.showAction = setLayoutPos;
// Refresh loaded view intervals during scrolling
Action ensureVisibleViewsAreLoaded = () =>
{
var count = components.collection.Count;
if (count == 0)
{
return;
}
int firstVisible, lastVisible;
viewPort.CalculateVisibleIndexes(layout, out firstVisible, out lastVisible);
if (firstVisible == -1)
{
viewStorage.UnloadAll();
}
else
{
lastVisible = Mathf.Min(lastVisible, count - 1);
viewStorage.EnsureLoadedInterval(firstVisible, lastVisible, collection);
}
};
Action updateLayout = () =>
{
viewStorage.ForEachLoadedView((view, i) =>
{
var newPos = layout.AncoredPositionForIndex(i);
if (view.rectTransform.anchoredPosition == newPos)
{
return;
}
if (delegates.moveAnimation != null)
{
view.currentMoveAnimation.DisconnectSafe();
view.currentMoveAnimation = delegates.moveAnimation(view, newPos);
}
else
{
view.rectTransform.SetAnchorPositionInASaneWay(newPos);
}
});
};
components.addConnection = layout.needUpdate.Subscribe(updateLayout);
components.addConnection = layout.topShift.OnChanged(updateLayout);
components.addConnection = viewPort.needRecalcVisibility.Subscribe(() =>
{
components.animationsEnabled = false;
ensureVisibleViewsAreLoaded();
});
components.addConnection = collection.update.Subscribe(e =>
{
components.animationsEnabled = true;
switch (e.type)
{
case ReactiveCollectionEventType.Insert:
viewStorage.InjectAtIndexIfLoaded(e.position, e.newItem);
ensureVisibleViewsAreLoaded();
// TODO correct reusable view index
updateLayout();
break;
case ReactiveCollectionEventType.Remove:
viewStorage.PierceIndexIfLoaded(e.position);
ensureVisibleViewsAreLoaded();
// TODO correct reusable view index
updateLayout();
break;
case ReactiveCollectionEventType.Set:
viewStorage.ReplaceIndexIfLoaded(e.position, e.newItem);
break;
case ReactiveCollectionEventType.Reset:
viewStorage.UnloadAll();
ensureVisibleViewsAreLoaded();
break;
default:
throw new ArgumentOutOfRangeException();
}
});
components.animationsEnabled = false;
ensureVisibleViewsAreLoaded();
return(components);
}
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);
}
// Creates everithing except viewport.
public static TableConnectionsAndComponents <TView, TData> CreateBasicTableComponents <TData, TView>(
IReactiveCollection <TData> data,
Transform parent,
Action <TData, TView> show,
IViewPool <TView, TData> pool = null,
PrefabRef <TView> prefab = default,
Func <TData, PrefabRef <TView> > prefabSelector = null,
IScrollViewLayout layout = null, // Linear layout is default
TableDelegates <TView> delegates = null,
Func <TData, IEventStream> updater = null,
PresentOptions options = PresentOptions.None
) where TView : ReusableView
{
var components = new TableConnectionsAndComponents <TView, TData>();
if (pool == null)
{
if (prefabSelector != null)
{
pool = new DistinctivePool <TView, TData>(parent, prefabSelector, options);
}
else
{
var actualPrefab = prefab.ExtractPrefab(parent);
pool = new ViewPool <TView, TData>(parent, actualPrefab);
if (options.Has(PresentOptions.UseLoadedViews))
{
FillPoolWithChildrenViews(pool, parent, prefab, actualPrefab, options);
}
}
}
if (updater != null)
{
var showCopy = show;
Action <TData, TView> showAndSubscribe = (item, view) =>
{
showCopy(item, view);
view.connections += updater(item).Subscribe(() => showCopy(item, view));
};
show = showAndSubscribe;
}
delegates = delegates ?? new TableDelegates <TView>();
if (delegates.onInsert != null)
{
show += (d, view) =>
{
if (components.animationsEnabled)
{
delegates.onInsert(view);
}
}
}
;
if (options.Has(PresentOptions.PreserveSiblingOrder))
{
show += (d, view) => { view.tr.SetSiblingIndex(view.indexInModel); };
}
components.viewLoader = new LinearViewLoader <TView, TData>(pool, show, delegates.onRemove);
components.delegates = delegates;
components.collection = data;
if (options.Has(PresentOptions.NeedLayout) && layout == null)
{
layout = LinearLayout();
}
components.layout = layout;
return(components);
}
