protected override EvasObject OnGetContent(Cell cell, string part)
{
if (part == MainContentPart)
{
var entryCell = cell as EntryCell;
int pixelHeight = Forms.ConvertToScaledPixel(entryCell.RenderHeight);
pixelHeight = pixelHeight > 0 ? pixelHeight : Forms.ConvertToPixel(s_defaultHeight);
var label = new Label()
{
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.Center,
VerticalTextAlignment = TextAlignment.Center,
FontSize = -1
};
label.SetBinding(Label.TextProperty, new Binding(EntryCell.LabelProperty.PropertyName));
label.SetBinding(Label.TextColorProperty, new Binding(EntryCell.LabelColorProperty.PropertyName, converter: new DefaultColorConverter()));
var entry = new Entry()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.Center,
FontSize = -1,
};
entry.SetBinding(Entry.TextProperty, new Binding(EntryCell.TextProperty.PropertyName, BindingMode.TwoWay));
entry.SetBinding(Entry.PlaceholderProperty, new Binding(EntryCell.PlaceholderProperty.PropertyName));
entry.SetBinding(InputView.KeyboardProperty, new Binding(EntryCell.KeyboardProperty.PropertyName));
entry.SetBinding(Entry.HorizontalTextAlignmentProperty, new Binding(EntryCell.HorizontalTextAlignmentProperty.PropertyName));
var layout = new StackLayout()
{
Orientation = StackOrientation.Horizontal,
Children =
{
label,
entry
}
};
layout.Parent = cell;
layout.BindingContext = entryCell;
layout.MinimumHeightRequest = Forms.ConvertToScaledDP(pixelHeight);
var renderer = Platform.GetOrCreateRenderer(layout);
(renderer as LayoutRenderer)?.RegisterOnLayoutUpdated();
var nativeView = renderer.NativeView;
nativeView.PropagateEvents = false;
nativeView.MinimumHeight = pixelHeight;
_cacheCandidate[nativeView] = layout;
nativeView.Deleted += (sender, e) =>
{
_cacheCandidate.Remove(sender as EvasObject);
};
return(nativeView);
}
return(null);
}
protected override void OnCompleted(View sender, object data)
{
if (Recognizer is SwipeGestureRecognizer swipeGesture)
{
var lineData = (GestureLayer.LineData)data;
(swipeGesture as ISwipeGestureController)?.SendSwipe(sender, Forms.ConvertToScaledDP(lineData.X2 - lineData.X1), Forms.ConvertToScaledDP(lineData.Y2 - lineData.Y1));
(swipeGesture as ISwipeGestureController)?.DetectSwipe(sender, swipeGesture.Direction);
}
}
static double ComputeAbsoluteY(VisualElement e)
{
var parentY = 0.0;
if (e.RealParent is VisualElement ve)
{
if (CompressedLayout.GetIsHeadless(e.RealParent))
{
parentY = ComputeAbsoluteY(ve);
}
else
{
parentY = Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).GetNativeContentGeometry().Y);
}
}
return(e.Y + parentY);
}
void InitializeFlyout()
{
((IShellController)Element).StructureChanged += OnShellStructureChanged;
View flyoutHeader = ((IShellController)Element).FlyoutHeader;
if (flyoutHeader != null)
{
var headerView = Platform.GetOrCreateRenderer(flyoutHeader);
(headerView as LayoutRenderer)?.RegisterOnLayoutUpdated();
Size request = flyoutHeader.Measure(Forms.ConvertToScaledDP(_native.NavigationView.MinimumWidth), Forms.ConvertToScaledDP(_native.NavigationView.MinimumHeight)).Request;
headerView.NativeView.MinimumHeight = Forms.ConvertToScaledPixel(request.Height);
_native.NavigationView.Header = headerView.NativeView;
}
BuildMenu();
_native.NavigationView.MenuItemSelected += OnItemSelected;
}
static double ComputeAbsoluteY(VisualElement e)
{
return(e.Y + ((e.RealParent is VisualElement) && !(e.RealParent is ListView || e.RealParent is ItemsView) ? Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).GetNativeContentGeometry().Y) : 0.0));
}
static double ComputeAbsoluteX(VisualElement e)
{
return(e.X + ((e.RealParent is VisualElement) ? Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).GetNativeContentGeometry().X) : 0.0));
}
void OnMoved(GestureLayer.MomentumData moment)
{
if (SwipeDirection == 0)
{
var direction = SwipeDirectionHelper.GetSwipeDirection(new Point(moment.X1, moment.Y1), new Point(moment.X2, moment.Y2));
if (HasRightItems && direction == SwipeDirection.Left)
{
SwipeDirection = SwipeDirection.Left;
}
else if (HasLeftItems && direction == SwipeDirection.Right)
{
SwipeDirection = SwipeDirection.Right;
}
else if (HasTopItems && direction == SwipeDirection.Down)
{
SwipeDirection = SwipeDirection.Down;
}
else if (HasBottomItems && direction == SwipeDirection.Up)
{
SwipeDirection = SwipeDirection.Up;
}
else
{
return;
}
UpdateItems();
((ISwipeViewController)Element).SendSwipeStarted(new SwipeStartedEventArgs(SwipeDirection));
}
var offset = GetSwipeOffset(moment);
if (IsNegativeDirection)
{
if (offset > 0)
{
offset = 0;
}
}
else
{
if (offset < 0)
{
offset = 0;
}
}
if (Math.Abs(offset) > MaximumSwipeSize)
{
offset = MaximumSwipeSize * (offset < 0 ? -1 : 1);
}
var toDragBound = NativeView.Geometry;
if (IsHorizontalSwipe)
{
toDragBound.X += offset;
}
else
{
toDragBound.Y += offset;
}
Platform.GetRenderer(SwipeView.Content).NativeView.Geometry = toDragBound;
((ISwipeViewController)Element).SendSwipeChanging(new SwipeChangingEventArgs(SwipeDirection, Forms.ConvertToScaledDP(offset)));
}
public static Size ToDP(this ESize size)
{
return(new Size(Forms.ConvertToScaledDP(size.Width), Forms.ConvertToScaledDP(size.Height)));
}
public static Rectangle ToDP(this ERect rect)
{
return(new Rectangle(Forms.ConvertToScaledDP(rect.X), Forms.ConvertToScaledDP(rect.Y), Forms.ConvertToScaledDP(rect.Width), Forms.ConvertToScaledDP(rect.Height)));
}
protected override void OnMoved(View sender, object data)
{
var lineData = (GestureLayer.MomentumData)data;
(Recognizer as IPanGestureController)?.SendPan(sender, Forms.ConvertToScaledDP(lineData.X2 - lineData.X1), Forms.ConvertToScaledDP(lineData.Y2 - lineData.Y1), _currentPanGestureId);
}
static double ComputeAbsoluteX(VisualElement e)
{
return(e.X + ((e.RealParent is VisualElement) && !(e.RealParent is ListView) ? Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).NativeView.Geometry.X) : 0.0));
}
