public DashWidgetView(DashSquare square)
{
RelativeLayout layout = new RelativeLayout();
var tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += (s, e) => {
EventHandler <WidgetTappedEventArgs> handler = Tapped;
handler?.Invoke(this, new WidgetTappedEventArgs(square));
};
layout.GestureRecognizers.Add(tapGestureRecognizer);
var backgroundImage = new CachedImage()
{
Source = new UriImageSource
{
CachingEnabled = true,
CacheValidity = new TimeSpan(5, 0, 0, 0),
Uri = new Uri(square.PreviewImage)
},
Aspect = Aspect.AspectFill,
InputTransparent = false,
CacheDuration = new TimeSpan(5, 0, 0, 0),
LoadingPlaceholder = "placeholder.jpg"
};
layout.Children.Add(backgroundImage,
Constraint.Constant(0),
Constraint.Constant(0),
Constraint.RelativeToParent((parent) => parent.Width),
Constraint.RelativeToParent((parent) => parent.Height));
this.Padding = new Thickness(10, 10);
Content = layout;
}
public ActionPage()
{
InitializeComponent();
NavigationPage.SetHasNavigationBar(this, false);
var returnComman = new Command(() =>
{
Navigation.PopAsync(true);
});
ImageStackLayout.GestureRecognizers.Add(new TapGestureRecognizer
{
Command = returnComman
});
RelativeLayout layout = new RelativeLayout();
var backgroundImage = new CachedImage()
{
Aspect = Aspect.AspectFit,
InputTransparent = false,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
CacheDuration = new TimeSpan(5, 0, 0, 0),
LoadingPlaceholder = "placeholder.jpg"
};
layout.Children.Add(backgroundImage,
Constraint.Constant(0),
Constraint.Constant(0),
Constraint.RelativeToParent((parent) => parent.Width),
Constraint.RelativeToParent((parent) => parent.Height));
ImageStackLayout.Children.Add(layout);
MessagingCenter.Subscribe <ActionPage, DashSquare>(this, "Hi", (page, dashSquare) =>
{
CurrentItem = dashSquare;
backgroundImage.Source = new UriImageSource
{
CachingEnabled = true,
CacheValidity = new TimeSpan(5, 0, 0, 0),
Uri = new Uri(CurrentItem.BigImage)
};
var indicator = new ActivityIndicator
{
Color = Color.FromHex("#009d48"),
BackgroundColor = Color.Transparent,
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.CenterAndExpand,
};
layout.Children.Add(indicator,
Constraint.Constant(0),
Constraint.Constant(0),
Constraint.RelativeToParent((parent) => parent.Width),
Constraint.RelativeToParent((parent) => parent.Height));
indicator.SetBinding(ActivityIndicator.IsRunningProperty, "IsLoading");
indicator.BindingContext = backgroundImage;
});
}
private async Task LoadViewData()
{
isBysi = true;
App.PhotoBoothEntities = await GetPhotoBoothEntitys();
if (Settings.PhotoBoothId == Guid.Empty)
{
await Navigation.PushModalAsync(new SelectPhotoBoothPage(), true);
return;
}
var photoEvents = await GetPhotoEvent(Settings.PhotoBoothId);
if (photoEvents == null)
{
await DisplayAlert("Нет события", "Сейчас не происходит ни одно событие.", "OK");
if (Device.OS == TargetPlatform.iOS)
{
throw new ExitAppException("known crash to exit app");
}
return;
}
var itemsCount = photoEvents.Photos.Count;
if (App.DashSquares != null && itemsCount == App.DashSquares.Count)
{
return;
}
dashboards = new List <Grid>();
var dashboard = new Grid()
{
ColumnSpacing = 0,
RowSpacing = 0,
VerticalOptions = LayoutOptions.FillAndExpand,
};
Enumerable.Range(0, rowIndexMax + 1).ToList().ForEach(x =>
dashboard.RowDefinitions.Add(
new RowDefinition
{
Height = new GridLength(1, GridUnitType.Star)
}
));
Enumerable.Range(0, colIndexMax + 1).ToList().ForEach(x =>
dashboard.ColumnDefinitions.Add(new ColumnDefinition
{
Width = new GridLength(1, GridUnitType.Star)
}));
var colIndex = 0;
var rowIndex = 0;
App.DashSquares = new List <DashSquare>();
foreach (var p in photoEvents.Photos.OrderByDescending(p => p.Created))
{
if (p.IsDeleted)
{
continue;
}
var item = new DashSquare
{
BigImage = "http://joyenjoy.me/EventImages/" + p.PhotoEventId + "/" + p.ImageName,
PreviewImage = "http://joyenjoy.me/EventImages/" + p.PhotoEventId + "/" + p.PreviewImageName,
Id = p.Id,
Column = colIndex,
Row = rowIndex,
Page = pageIndex,
PhotoBoothId = photoEvents.PhotoBoothEntityId,
BlobPath = p.BlobPathToImage
};
var widget = new DashWidgetView(item);
widget.Tapped += (sender, e) =>
{
var page = new ActionPage();
Navigation.PushAsync(page, true);
MessagingCenter.Send <ActionPage, DashSquare>(page, "Hi", e.ImageObject);
};
dashboard.Children.Add(widget, colIndex, rowIndex);
App.DashSquares.Add(item);
colIndex++;
if (colIndex > colIndexMax)
{
colIndex = 0;
rowIndex++;
}
if (rowIndex > rowIndexMax)
{
rowIndex = 0;
pageIndex++;
dashboards.Add(dashboard);
dashboard = new Grid()
{
ColumnSpacing = 0,
RowSpacing = 0,
VerticalOptions = LayoutOptions.FillAndExpand,
};
}
}
if (itemsCount % ((colIndexMax + 1) * (rowIndexMax + 1)) != 0)
{
dashboards.Add(dashboard);
}
currentPageIndex = dashboards.Count - 1;
if (currentPageIndex < 0)
{
currentPageIndex = 0;
}
var grid = dashboards.ElementAtOrDefault(currentPageIndex);
if (grid != null)
{
ImageStackLayout.Children.Clear();
ImageStackLayout.Children.Add(grid);
}
isFirstLoad = true;
isBysi = false;
}
public WidgetTappedEventArgs(DashSquare imageObject)
{
ImageObject = imageObject;
}