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-rw-r--r--Xamarin.Forms.Platform.MacOS/Renderers/ListViewRenderer.cs342
1 files changed, 0 insertions, 342 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/Renderers/ListViewRenderer.cs b/Xamarin.Forms.Platform.MacOS/Renderers/ListViewRenderer.cs
deleted file mode 100644
index 2c80dec9..00000000
--- a/Xamarin.Forms.Platform.MacOS/Renderers/ListViewRenderer.cs
+++ /dev/null
@@ -1,342 +0,0 @@
-using System.Collections.Generic;
-using System.Collections.Specialized;
-using System.ComponentModel;
-using System.Linq;
-using AppKit;
-using Foundation;
-using Xamarin.Forms.Internals;
-
-namespace Xamarin.Forms.Platform.MacOS
-{
- public class ListViewRenderer : ViewRenderer<ListView, NSView>
- {
- bool _disposed;
- NSTableView _table;
- ListViewDataSource _dataSource;
- IVisualElementRenderer _headerRenderer;
- IVisualElementRenderer _footerRenderer;
-
- IListViewController Controller => Element;
-
- ITemplatedItemsView<Cell> TemplatedItemsView => Element;
-
- public const int DefaultRowHeight = 44;
-
- public NSTableView NativeTableView => _table;
-
- public override void ViewWillDraw()
- {
- UpdateHeader();
- base.ViewWillDraw();
- }
-
- protected virtual NSTableView CreateNSTableView(ListView list)
- {
- NSTableView table = new FormsNSTableView().AsListViewLook();
- table.Source = _dataSource = new ListViewDataSource(list, table);
- return table;
- }
-
- protected override void Dispose(bool disposing)
- {
- if (disposing && !_disposed)
- {
- _disposed = true;
-
- var viewsToLookAt = new Stack<NSView>(Subviews);
- while (viewsToLookAt.Count > 0)
- {
- var view = viewsToLookAt.Pop();
- var viewCellRenderer = view as ViewCellNSView;
- if (viewCellRenderer != null)
- viewCellRenderer.Dispose();
- else
- {
- foreach (var child in view.Subviews)
- viewsToLookAt.Push(child);
- }
- }
-
- if (Element != null)
- {
- var templatedItems = TemplatedItemsView.TemplatedItems;
- templatedItems.CollectionChanged -= OnCollectionChanged;
- templatedItems.GroupedCollectionChanged -= OnGroupedCollectionChanged;
- }
- }
-
- if (disposing)
- {
- ClearHeader();
- if (_footerRenderer != null)
- {
- Platform.DisposeModelAndChildrenRenderers(_footerRenderer.Element);
- _footerRenderer = null;
- }
- }
-
- base.Dispose(disposing);
- }
-
- protected override void SetBackgroundColor(Color color)
- {
- base.SetBackgroundColor(color);
- if (_table == null)
- return;
-
- _table.BackgroundColor = color.ToNSColor(NSColor.White);
- }
-
- protected override void OnElementChanged(ElementChangedEventArgs<ListView> e)
- {
- if (e.OldElement != null)
- {
- var controller = (IListViewController)e.OldElement;
- controller.ScrollToRequested -= OnScrollToRequested;
-
- var templatedItems = ((ITemplatedItemsView<Cell>)e.OldElement).TemplatedItems;
- templatedItems.CollectionChanged -= OnCollectionChanged;
- templatedItems.GroupedCollectionChanged -= OnGroupedCollectionChanged;
- }
-
- if (e.NewElement != null)
- {
- if (Control == null)
- {
- var scroller = new NSScrollView
- {
- AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable,
- DocumentView = _table = CreateNSTableView(e.NewElement)
- };
- SetNativeControl(scroller);
- }
-
- var controller = (IListViewController)e.NewElement;
- controller.ScrollToRequested += OnScrollToRequested;
-
- var templatedItems = ((ITemplatedItemsView<Cell>)e.NewElement).TemplatedItems;
- templatedItems.CollectionChanged += OnCollectionChanged;
- templatedItems.GroupedCollectionChanged += OnGroupedCollectionChanged;
-
- UpdateRowHeight();
- UpdateHeader();
- UpdateFooter();
- UpdatePullToRefreshEnabled();
- UpdateIsRefreshing();
- UpdateSeparatorColor();
- UpdateSeparatorVisibility();
-
- var selected = e.NewElement.SelectedItem;
- if (selected != null)
- _dataSource.OnItemSelected(null, new SelectedItemChangedEventArgs(selected));
- }
-
- base.OnElementChanged(e);
- }
-
- protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
- {
- base.OnElementPropertyChanged(sender, e);
- if (e.PropertyName == ListView.RowHeightProperty.PropertyName)
- UpdateRowHeight();
- else if (e.PropertyName == ListView.IsGroupingEnabledProperty.PropertyName ||
- (e.PropertyName == ListView.HasUnevenRowsProperty.PropertyName))
- _dataSource.Update();
- else if (e.PropertyName == ListView.IsPullToRefreshEnabledProperty.PropertyName)
- UpdatePullToRefreshEnabled();
- else if (e.PropertyName == ListView.IsRefreshingProperty.PropertyName)
- UpdateIsRefreshing();
- else if (e.PropertyName == ListView.SeparatorColorProperty.PropertyName)
- UpdateSeparatorColor();
- else if (e.PropertyName == ListView.SeparatorVisibilityProperty.PropertyName)
- UpdateSeparatorVisibility();
- else if (e.PropertyName == "HeaderElement")
- UpdateHeader();
- else if (e.PropertyName == "FooterElement")
- UpdateFooter();
- else if (e.PropertyName == "RefreshAllowed")
- UpdatePullToRefreshEnabled();
- }
-
- void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
- {
- UpdateItems(e, 0, true);
- }
-
- void OnGroupedCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
- {
- var til = (TemplatedItemsList<ItemsView<Cell>, Cell>)sender;
-
- var templatedItems = TemplatedItemsView.TemplatedItems;
- var groupIndex = templatedItems.IndexOf(til.HeaderContent);
- UpdateItems(e, groupIndex, false);
- }
-
- void UpdateHeader()
- {
- var header = Controller.HeaderElement;
- var headerView = (View)header;
-
- if (headerView != null)
- {
- //Header reuse is not working for now , problem with size of something that is not inside a layout
- //if (_headerRenderer != null)
- //{
- // if (header != null && _headerRenderer.GetType() == Registrar.Registered.GetHandlerType(header.GetType()))
- // {
- // _headerRenderer.SetElement(headerView);
- // _table.HeaderView = new CustomNSTableHeaderView(Bounds.Width, _headerRenderer);
- // // Layout();
- // //var customNSTableHeaderView = _table.HeaderView as CustomNSTableHeaderView;
- // //customNSTableHeaderView?.Update(Bounds.Width, _headerRenderer);
- // //NativeView.Layout();
- // //NativeView.SetNeedsDisplayInRect(NativeView.Bounds);
- // //NativeView.LayoutSubtreeIfNeeded();
- // //_table.LayoutSubtreeIfNeeded();
- // //_table.NeedsDisplay = true;
- // //NativeView.NeedsDisplay = true;
- // return;
- // }
- ClearHeader();
- //}
-
- _headerRenderer = Platform.CreateRenderer(headerView);
- Platform.SetRenderer(headerView, _headerRenderer);
- _table.HeaderView = new CustomNSTableHeaderView(Bounds.Width, _headerRenderer);
-
- //We need this since the NSSCrollView doesn't know of the new size of our header
- //TODO: Find a better solution
- (Control as NSScrollView)?.ContentView.ScrollToPoint(new CoreGraphics.CGPoint(0, -_table.HeaderView.Frame.Height));
- }
- else if (_headerRenderer != null)
- {
- ClearHeader();
- }
- }
-
- void ClearHeader()
- {
- _table.HeaderView = null;
- if (_headerRenderer == null)
- return;
- Platform.DisposeModelAndChildrenRenderers(_headerRenderer.Element);
- _headerRenderer = null;
- }
-
- void UpdateItems(NotifyCollectionChangedEventArgs e, int section, bool resetWhenGrouped)
- {
- var exArgs = e as NotifyCollectionChangedEventArgsEx;
- if (exArgs != null)
- _dataSource.Counts[section] = exArgs.Count;
-
- var groupReset = resetWhenGrouped && Element.IsGroupingEnabled;
-
- switch (e.Action)
- {
- case NotifyCollectionChangedAction.Add:
- if (e.NewStartingIndex == -1 || groupReset)
- goto case NotifyCollectionChangedAction.Reset;
-
- _table.BeginUpdates();
- _table.InsertRows(NSIndexSet.FromArray(Enumerable.Range(e.NewStartingIndex, e.NewItems.Count).ToArray()),
- NSTableViewAnimation.SlideUp);
- _table.EndUpdates();
-
- break;
-
- case NotifyCollectionChangedAction.Remove:
- if (e.OldStartingIndex == -1 || groupReset)
- goto case NotifyCollectionChangedAction.Reset;
-
- _table.BeginUpdates();
- _table.RemoveRows(NSIndexSet.FromArray(Enumerable.Range(e.OldStartingIndex, e.OldItems.Count).ToArray()),
- NSTableViewAnimation.SlideDown);
- _table.EndUpdates();
-
- break;
-
- case NotifyCollectionChangedAction.Move:
- if (e.OldStartingIndex == -1 || e.NewStartingIndex == -1 || groupReset)
- goto case NotifyCollectionChangedAction.Reset;
- _table.BeginUpdates();
- for (var i = 0; i < e.OldItems.Count; i++)
- {
- var oldi = e.OldStartingIndex;
- var newi = e.NewStartingIndex;
-
- if (e.NewStartingIndex < e.OldStartingIndex)
- {
- oldi += i;
- newi += i;
- }
-
- _table.MoveRow(oldi, newi);
- }
- _table.EndUpdates();
-
- break;
-
- case NotifyCollectionChangedAction.Replace:
- case NotifyCollectionChangedAction.Reset:
- _table.ReloadData();
- return;
- }
- }
-
- void UpdateRowHeight()
- {
- var rowHeight = Element.RowHeight;
- if (Element.HasUnevenRows && rowHeight == -1)
- {
- // _table.RowHeight = NoIntrinsicMetric;
- }
- else
- _table.RowHeight = rowHeight <= 0 ? DefaultRowHeight : rowHeight;
- }
-
- //TODO: Implement UpdateIsRefreshing
- void UpdateIsRefreshing()
- {
- }
-
- //TODO: Implement PullToRefresh
- void UpdatePullToRefreshEnabled()
- {
- }
-
- //TODO: Implement SeparatorColor
- void UpdateSeparatorColor()
- {
- }
-
- //TODO: Implement UpdateSeparatorVisibility
- void UpdateSeparatorVisibility()
- {
- }
-
- //TODO: Implement ScrollTo
- void OnScrollToRequested(object sender, ScrollToRequestedEventArgs e)
- {
- }
-
- //TODO: Implement Footer
- void UpdateFooter()
- {
- }
-
- class FormsNSTableView : NSTableView
- {
- //NSTableView doesn't support selection notfications after the items is already selected
- //so we do it ourselves by hooking mouse down event
- public override void MouseDown(NSEvent theEvent)
- {
- var clickLocation = ConvertPointFromView(theEvent.LocationInWindow, null);
- var clickedRow = GetRow(clickLocation);
-
- base.MouseDown(theEvent);
- if (clickedRow != -1)
- (Source as ListViewDataSource)?.OnRowClicked();
- }
- }
- }
-} \ No newline at end of file
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