public void TestSwipeItemView()
{
var swipeView = new SwipeView();
var swipeItemViewContent = new Grid();
swipeItemViewContent.BackgroundColor = Colors.Red;
swipeItemViewContent.Children.Add(new Label
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Text = "SwipeItemView"
});
var swipeItemView = new SwipeItemView
{
Content = swipeItemViewContent
};
swipeView.LeftItems = new SwipeItems
{
swipeItemView
};
Assert.NotNull(swipeItemView);
Assert.NotNull(swipeItemView.Content);
Assert.AreNotEqual(0, swipeView.LeftItems.Count);
}
public override bool DispatchTouchEvent(MotionEvent touch)
{
if (TouchDispatcher.TouchingView != null)
{
double currentQuota = ((touch.GetX() - TouchDispatcher.StartingBiasX) / (double)Width);
SwipeItemView touchedElement = (TouchDispatcher.TouchingView as SwipeItemView);
switch (touch.ActionMasked)
{
case MotionEventActions.Up:
Device.BeginInvokeOnMainThread(async() =>
{
await touchedElement.CompleteTranslationAsync(currentQuota);
});
(Element as SwipeListView).AppendTouchedElement(touchedElement);
TouchDispatcher.TouchingView = null;
TouchDispatcher.StartingBiasX = 0;
TouchDispatcher.StartingBiasY = 0;
break;
case MotionEventActions.Move:
TouchDispatcher.TouchingView.PerformTranslation(currentQuota);
break;
}
}
return(base.DispatchTouchEvent(touch));
}
private void RemoveElement(object sender, EventArgs e)
{
SwipeItemView itemView = (sender as Button).CommandParameter as SwipeItemView;
swipeListView.PreventXamarinBug();
(this.BindingContext as ProjectViewModel).ListItems.Remove((ItemClass)(itemView.BoundItem));
}
UIView CreateSwipeItemView(SwipeItemView formsSwipeItemView)
{
var renderer = Platform.CreateRenderer(formsSwipeItemView);
Platform.SetRenderer(formsSwipeItemView, renderer);
UpdateSwipeItemViewLayout(formsSwipeItemView);
return(renderer?.NativeView);
}
AView CreateSwipeItemView(SwipeItemView swipeItemView)
{
var renderer = Platform.CreateRenderer(swipeItemView, _context);
Platform.SetRenderer(swipeItemView, renderer);
var swipeItem = renderer?.View;
return(swipeItem);
}
void UpdateSwipeItemViewLayout(SwipeItemView swipeItemView)
{
var swipeItemSize = GetSwipeItemSize(swipeItemView);
var swipeItemHeight = swipeItemSize.Height;
var swipeItemWidth = swipeItemSize.Width;
swipeItemView.Layout(new Rectangle(0, 0, swipeItemWidth, swipeItemHeight));
swipeItemView.Content?.Layout(new Rectangle(0, 0, swipeItemWidth, swipeItemHeight));
}
SwipeView CreateMySwipeView()
{
var leftSwipeItem = new SwipeItemView
{
AutomationId = SwipeItemId,
Content = new Label
{
Text = "Right",
TextColor = Color.White,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center
},
BackgroundColor = Color.Green,
WidthRequest = 80,
Command = new Command(() =>
{
_leftCount++;
_leftSwipeCountLabel.Text = _leftCount.ToString();
})
};
var leftSwipeItems = new SwipeItems {
leftSwipeItem
};
leftSwipeItems.SwipeBehaviorOnInvoked = SwipeBehaviorOnInvoked.Close;
leftSwipeItems.Mode = SwipeMode.Reveal;
var swipeContent = new ContentView
{
Content = new StackLayout
{
AutomationId = SwipeViewId,
BackgroundColor = Color.LightSkyBlue,
Children =
{
new Label
{
Text = "SwipeItem Content",
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center
}
}
}
};
var mySwipeView = new SwipeView
{
LeftItems = leftSwipeItems,
Content = swipeContent,
HeightRequest = 80
};
return(mySwipeView);
}
AView CreateSwipeItemView(SwipeItemView swipeItemView)
{
var renderer = Platform.CreateRenderer(swipeItemView, _context);
Platform.SetRenderer(swipeItemView, renderer);
var swipeItem = renderer?.View;
swipeItem.Visibility = swipeItemView.IsVisible ? ViewStates.Visible : ViewStates.Gone;
return(swipeItem);
}
static View CreateItemView(SwipeItemView item)
{
return new StackLayout
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children =
{
item.Content
}
};
}
static View CreateItemView(SwipeItemView item)
{
return(new XStackLayout
{
VerticalOptions = LayoutOptions.Fill,
HorizontalOptions = LayoutOptions.Fill,
Children =
{
item.Content
}
});
}
public override void TouchesMoved(NSSet touches, UIEvent evt)
{
UITouch touch = touches.AnyObject as UITouch;
touchLocation = touch.LocationInView(this);
currentQuota = (float)((touchLocation.X - TouchDispatcher.StartingBiasX) / Bounds.Size.Width);
touchedElement = (TouchDispatcher.TouchingView as SwipeItemView);
TouchDispatcher.TouchingView.PerformTranslation(currentQuota);
base.TouchesMoved(touches, evt);
}
protected override void Init()
{
Title = "Issue 10940";
var layout = new StackLayout();
var instructions = new Label
{
Padding = 12,
BackgroundColor = Colors.Black,
TextColor = Colors.White,
Text = "Swipe to the left and verify that opening the SwipeView the CustomEntry is created only one time."
};
var customSwipeView = new CustomSwipeView
{
BackgroundColor = Colors.LightGray,
HeightRequest = 200
};
var swipeItemView = new SwipeItemView();
var swipeItemViewContent = new Grid
{
BackgroundColor = Colors.White,
WidthRequest = 150
};
var customEntry = new CustomEntry
{
VerticalOptions = LayoutOptions.Center
};
swipeItemViewContent.Children.Add(customEntry);
swipeItemView.Content = swipeItemViewContent;
customSwipeView.RightItems = new SwipeItems
{
swipeItemView
};
layout.Children.Add(instructions);
layout.Children.Add(customSwipeView);
Content = layout;
}
async void OnDeleteSight(object sender, EventArgs args)
{
SwipeItemView item = sender as SwipeItemView;
Sight sightToDelete = item.BindingContext as Sight;
ObservableCollection <Sight> sightsCollection = listView.ItemsSource as ObservableCollection <Sight>;
if (sightToDelete != null)
{
bool answer = await DisplayAlert(
rm.GetString("warning"),
rm.GetString("messageDeleteSight"),
rm.GetString("deleteAnyway"),
rm.GetString("cancel"));
//System.Diagnostics.Debug.WriteLine("Answer: " + answer);
if (answer)
{
await AlmicantaratXF.Views.App.PositionsSightsDB.DeleteSightAsync(sightToDelete);
sightsCollection.Remove(sightToDelete);
currentPosition.CalculateCelestialPosition();
}
}
}
void UpdateSwipeItemViewLayout(SwipeItemView swipeItemView)
{
var swipeItemSize = GetSwipeItemSize(swipeItemView);
swipeItemView.Layout(new Rectangle(0, 0, swipeItemSize.Width, swipeItemSize.Height));
}
private void UndoClick(object sender, EventArgs e)
{
SwipeItemView itemView = (sender as Button).CommandParameter as SwipeItemView;
itemView.PristineItem();
}
public Issue10530()
{
Title = "Issue 10530";
var vm = new Issue10530ViewModel();
BindingContext = vm;
var layout = new StackLayout();
var swipeView = new SwipeView();
var swipeViewContent = new Grid
{
BackgroundColor = Colors.LightGray,
HeightRequest = 60
};
var infoLabel = new Label
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center
};
infoLabel.SetBinding(Label.TextProperty, "Item.Text");
swipeViewContent.Children.Add(infoLabel);
swipeView.Content = swipeViewContent;
var swipeItemView = new SwipeItemView();
swipeItemView.SetBinding(IsVisibleProperty, "Item.RetryAvailable");
var swipeItemContent = new Grid
{
BackgroundColor = Colors.Orange,
WidthRequest = 100
};
var swipeItemLabel = new Label
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Text = "Retry",
TextColor = Colors.White
};
swipeItemContent.Children.Add(swipeItemLabel);
swipeItemView.Content = swipeItemContent;
swipeView.LeftItems = new SwipeItems {
swipeItemView
};
layout.Children.Add(swipeView);
var changeButton = new Button
{
Text = "Update Item RetryAvailable"
};
layout.Children.Add(changeButton);
Content = layout;
swipeItemView.Invoked += (sender, args) =>
{
vm.MakeRetryInvisibleCommand.Execute(vm.Item);
};
changeButton.Clicked += (sender, args) =>
{
var item = vm.Item;
if (item.RetryAvailable)
{
vm.MakeRetryInvisibleCommand.Execute(vm.Item);
}
else
{
vm.MakeRetryVisibleCommand.Execute(vm.Item);
}
};
vm.MakeRetryVisibleCommand.Execute(vm.Item);
}
public SwipeItemViewIsEnabledGallery()
{
Title = "SwipeItemView IsEnabled Gallery";
var swipeLayout = new StackLayout
{
Margin = new Thickness(12)
};
var instructions = new Label
{
BackgroundColor = Color.Black,
TextColor = Color.White,
Text = "RemainOpen is used as SwipeBehaviorOnInvoked, tapping on a SwipeItem will not close it."
};
swipeLayout.Children.Add(instructions);
var closeButton = new Button
{
Text = "Close SwipeView"
};
swipeLayout.Children.Add(closeButton);
var swipeItemContent = new StackLayout();
var monkeyList = new List <string>
{
"Baboon",
"Capuchin Monkey",
"Blue Monkey",
"Squirrel Monkey",
"Golden Lion Tamarin",
"Howler Monkey",
"Japanese Macaque"
};
var monkeyPicker = new Picker {
Title = "Select a monkey"
};
monkeyPicker.ItemsSource = monkeyList;
var monkeyButton = new Button
{
Text = "Get Selected Monkey"
};
monkeyButton.Clicked += (sender, args) =>
{
var selectedMonkey = monkeyPicker.SelectedItem ?? "None";
DisplayAlert("Selected Monkey", $"{selectedMonkey}", "Ok");
};
swipeItemContent.Children.Add(monkeyPicker);
swipeItemContent.Children.Add(monkeyButton);
var swipeItem = new SwipeItemView
{
BackgroundColor = Color.White,
Content = swipeItemContent
};
var swipeItems = new SwipeItems {
swipeItem
};
swipeItems.SwipeBehaviorOnInvoked = SwipeBehaviorOnInvoked.RemainOpen;
swipeItems.Mode = SwipeMode.Reveal;
var swipeContent = new Grid
{
BackgroundColor = Color.Gray
};
var swipeLabel = new Label
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Text = "Swipe to Right"
};
swipeContent.Children.Add(swipeLabel);
var swipeView = new SwipeView
{
HeightRequest = 120,
WidthRequest = 300,
LeftItems = swipeItems,
Content = swipeContent
};
swipeLayout.Children.Add(swipeView);
var swipeItemLayout = new StackLayout
{
Orientation = StackOrientation.Horizontal
};
var swipeItemButton = new Button
{
Text = "Disable SwipeItemView",
WidthRequest = 250,
VerticalOptions = LayoutOptions.Center
};
var swipeItemLabel = new Label
{
Text = "SwipeItemView is enabled"
};
swipeItemLayout.Children.Add(swipeItemButton);
swipeItemLayout.Children.Add(swipeItemLabel);
swipeLayout.Children.Add(swipeItemLayout);
Content = swipeLayout;
closeButton.Clicked += (sender, e) =>
{
swipeView.Close();
};
swipeItemButton.Clicked += (sender, args) =>
{
swipeItem.IsEnabled = !swipeItem.IsEnabled;
if (swipeItem.IsEnabled)
{
swipeItemButton.Text = "Disable SwipeItemView";
swipeItemLabel.Text = "SwipeItemView is enabled";
}
else
{
swipeItemButton.Text = "Enable SwipeItemView";
swipeItemLabel.Text = "SwipeItemView is disabled";
}
};
}
