protected override async void OnAppearing()
{
if (IsBusy)
{
return;
}
try
{
IsBusy = true;
if (!_adjusted)
{
await Device.InvokeOnMainThreadAsync(() => UniformFormattingHelpers.UniversalAdjustments(this.Content));
_adjusted = false;
}
ScrollDownPrompt.IsVisible = false;
await Task.Delay(10);
_ = Task.Run(async() =>
{
await Task.Delay(10);
using (UserDialogs.Instance.Loading("Loading Photos..."))
{
await MakeGrid();
_adjusted = true;
}
});
while (!_adjusted)
{
await Task.Delay(200);
}
}
catch (Exception ex)
{
Console.WriteLine("Error: " + ex.Message);
}
IsBusy = false;
}
protected override async void OnAppearing()
{
if (IsBusy)
{
base.OnAppearing();
return;
}
try
{
IsBusy = true;
if (!_adjusted)
{
await Device.InvokeOnMainThreadAsync(() =>
{
UniformFormattingHelpers.UniversalAdjustments(this.Content);
_adjusted = true;
});
}
base.OnAppearing();
var noimageyet = "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";
ImageSource noImg = ImageSource.FromStream(() => new MemoryStream(Convert.FromBase64String(noimageyet)));
if (_nShippingOrderFileID > 0)
{
Device.BeginInvokeOnMainThread(() => CameraButton.Text = "Retake Photo");
using (UserDialogs.Instance.Loading("Showing existing image...."))
{
await Task.Delay(100);
var existingPic = App.soapService.GetShippingOrderFiles(_nShippingOrderID, _picType).SingleOrDefault(x => x.ShippingOrderFileID == _nShippingOrderFileID);
if (existingPic != null)
{
await Task.Run(async() =>
{
var str = await App.soapService.DownloadPicture(existingPic.FileName);
var imagedata = Convert.FromBase64String(str);
var image = ImageSource.FromStream(() => new MemoryStream(imagedata));
Device.BeginInvokeOnMainThread(() =>
{
PhotoImage.Source = image;
});
await Task.Delay(3000);
});
}
else
{
Device.BeginInvokeOnMainThread(() =>
{
PhotoImage.Source = noImg;
});
}
}
}
else
{
Device.BeginInvokeOnMainThread(async() =>
{
PhotoImage.Source = noImg;
await Task.Delay(10);
});
}
}
catch (Exception ex)
{
Console.WriteLine("Error: " + ex.Message);
}
IsBusy = false;
}
private async Task MakeGrid()
{
string[] docTypes =
{
"Document",
"Pickup",
"Delivery",
"Other"
};
var files = App.soapService.GetShippingOrderFiles(_nShippingOrderID, "").OrderByDescending(f => f.UploadedTimeStamp);
await Device.InvokeOnMainThreadAsync(() =>
{
if (grid.RowDefinitions != null && grid.RowDefinitions.Count > 0)
{
grid.RowDefinitions.Clear();
}
if (grid.Children != null && grid.Children.Count > 0)
{
grid.Children.Clear();
}
foreach (var col in grid.ColumnDefinitions)
{
col.Width = Xamarin.Essentials.DeviceDisplay.MainDisplayInfo.Width / Xamarin.Essentials.DeviceDisplay.MainDisplayInfo.Density / 5;
}
});
var colDef = grid.ColumnDefinitions.FirstOrDefault();
double colWidth = 60.0;
if (colDef != null)
{
colWidth = colDef.Width.Value;
}
int columnCount = 0;
int rowCount = 0;
await Device.InvokeOnMainThreadAsync(() =>
{
mainHeader.Text = "Photos for Order #" + _nOrderNumber.ToString();
mainHeader.FontSize = 18;
mainHeader.FontAttributes = FontAttributes.Bold;
mainHeader.HorizontalOptions = LayoutOptions.CenterAndExpand;
mainHeader.HeightRequest = 40;
UniformFormattingHelpers.SetLabelFontAttributes(mainHeader);
});
foreach (var type in docTypes)
{
var header = new Label()
{
Text = type + " Photos", HeightRequest = 34, VerticalOptions = LayoutOptions.Center, HorizontalOptions = LayoutOptions.Start, VerticalTextAlignment = TextAlignment.Center
};
var addButton =
new Button()
{
Text = "Add " + type + " Photo",
FontSize = 13,
HeightRequest = 32,
WidthRequest = 160,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.End,
Command = new Command(async() =>
{
if (IsBusy)
{
return;
}
IsBusy = true;
ScrollDownPrompt.IsVisible = false;
await new PageService().PushModalAsync(new TakePhoto(_userSignIn, _nShippingOrderID, type, 0));
await Task.Delay(1000);
IsBusy = false;
})
};
UniformFormattingHelpers.SetLabelFontAttributes(header);
await Device.InvokeOnMainThreadAsync(async() =>
{
UniformFormattingHelpers.SetButtonAttributes(addButton);
grid.RowDefinitions.Add(new RowDefinition()
{
Height = header.HeightRequest
});
double spaceAvailableForScrolling = scrollView.ContentSize.Height - scrollView.Height;
if (spaceAvailableForScrolling > 0)
{
await scrollView.ScrollToAsync(0, spaceAvailableForScrolling, false);
await Task.Delay(10);
}
grid.Children.Add(header, 0, rowCount);
grid.Children.Add(addButton, 2, rowCount++);
Grid.SetColumnSpan(header, 2);
Grid.SetColumnSpan(addButton, 2);
});
foreach (var item in files.Where(f => f.DocumentType == type))
{
bool fileExists = await App.soapService.PictureExists(item.FileName);
if (fileExists)
{
string thumbFileName = item.FileName.Replace(".png", "_thumb.png");
bool thumbnailExists = await App.soapService.PictureExists(thumbFileName);
if (!thumbnailExists)
{
string bigImageStr = await App.soapService.DownloadPicture(item.FileName);
byte[] newthumbnail = null;
var bigimagedata = Convert.FromBase64String(bigImageStr);
try
{
newthumbnail = App.imageService.GenerateThumbnail(bigimagedata, 200);
await App.soapService.UploadPicture(newthumbnail, thumbFileName);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace);
}
}
string str = await App.soapService.DownloadPicture(thumbFileName);
var imagedata = Convert.FromBase64String(str);
var resizedThumbnail = imagedata;
try
{
resizedThumbnail = App.imageService.GenerateThumbnail(imagedata, (int)colWidth);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace);
}
var size = App.imageService.GetSize(resizedThumbnail);
var image = new Image()
{
Source = ImageSource.FromStream(() => new MemoryStream(resizedThumbnail)),
GestureRecognizers =
{
new TapGestureRecognizer()
{
Command = new Command(async() =>
{
if (IsBusy)
{
return;
}
IsBusy = true;
ScrollDownPrompt.IsVisible = false;
await new PageService().PushModalAsync(new TakePhoto(_userSignIn, _nShippingOrderID, type, item.ShippingOrderFileID));
await Task.Delay(1000);
IsBusy = false;
})
}
},
WidthRequest = size.Width,
HeightRequest = size.Height
};
await Device.InvokeOnMainThreadAsync(async() =>
{
if (columnCount == 0)
{
grid.RowDefinitions.Add(new RowDefinition()
{
Height = colWidth
});
grid.Children.Add(image, columnCount++, rowCount);
await Task.Delay(10);
double spaceAvailableForScrolling = scrollView.ContentSize.Height - scrollView.Height;
if (spaceAvailableForScrolling > 0)
{
await scrollView.ScrollToAsync(0, spaceAvailableForScrolling, false);
await Task.Delay(10);
}
}
else
{
grid.Children.Add(image, columnCount++, rowCount);
}
if (columnCount > 3)
{
columnCount = 0;
rowCount++;
}
});
}
else
{
Console.WriteLine(item.FileName + " doesn't exist as a blob on Azure");
}
}
if (files.Where(f => f.DocumentType == type).Count() <= 0)
{
var noPhotos = new Label()
{
Text = "No " + type + " Photos yet", FontSize = 12, HeightRequest = 60, VerticalTextAlignment = TextAlignment.Center, TextColor = Color.FromHex("#666666"), HorizontalTextAlignment = TextAlignment.Center
};
await Device.InvokeOnMainThreadAsync(async() =>
{
UniformFormattingHelpers.SetLabelFontAttributes(noPhotos);
grid.RowDefinitions.Add(new RowDefinition()
{
Height = UniformFormattingHelpers.SizeByFontRatio(60)
});
grid.Children.Add(noPhotos, 0, rowCount);
Grid.SetColumnSpan(noPhotos, 4);
double spaceAvailableForScrolling = scrollView.ContentSize.Height - scrollView.Height;
if (spaceAvailableForScrolling > 0)
{
await scrollView.ScrollToAsync(0, spaceAvailableForScrolling, false);
await Task.Delay(10);
}
});
}
if (columnCount > 0)
{
columnCount = 0;
rowCount++;
}
}
var lastRow = new Label()
{
Text = ""
};
lastRow.VerticalOptions = LayoutOptions.EndAndExpand;
Grid.SetColumnSpan(lastRow, 4);
await Device.InvokeOnMainThreadAsync(async() => {
grid.Children.Add(lastRow, 0, rowCount);
await scrollView.ScrollToAsync(0, 0, false);
await Task.Delay(10);
});
}
