/// <summary>
/// Load a storage container for the currently selected storage file
/// </summary>
[NotNull] private async Task <IStorageContainer> LoadTileStore([NotNull] string path)
{
var directoryName = Path.GetDirectoryName(path);
if (string.IsNullOrWhiteSpace(directoryName))
{
throw new Exception("Path directory is invalid");
}
var folder = await StorageFolder.GetFolderFromPathAsync(directoryName).NotNull();
if (folder == null)
{
throw new Exception("Path to Slick file is not available");
}
var fileName = Path.GetFileName(path);
if (string.IsNullOrWhiteSpace(fileName))
{
throw new Exception("Path file name is invalid");
}
var file = await folder.CreateFileAsync(fileName, CreationCollisionOption.OpenIfExists).NotNull();
if (file == null || !file.IsAvailable)
{
throw new Exception("Failed to load Slick file");
}
if (_tileStore != null)
{
_tileStore.Dispose();
_tileStore = null;
}
var accessStream = await file.OpenAsync(FileAccessMode.ReadWrite).NotNull();
var wrapper = new StreamWrapper(accessStream);
var store = LoadStorageFile(wrapper);
if (_tileCanvas != null)
{
pinsView?.SetConnections(_tileCanvas, store);
ImageImportFloater?.SetCanvasTarget(_tileCanvas);
TextFloater?.SetCanvasTarget(_tileCanvas);
}
return(store);
}
/// <summary>
/// Start the canvas up with the default document
/// </summary>
private void Page_Loaded(object sender, RoutedEventArgs e)
{
// Set up pen/mouse/touch input
var ip = baseInkCanvas?.InkPresenter;
if (ip == null)
{
throw new Exception("Base ink presenter is missing");
}
if (paletteView == null)
{
throw new Exception("Palette object is missing");
}
if (pinsView == null)
{
throw new Exception("Palette object is missing");
}
ip.ActivateCustomDrying();
if (ip.UnprocessedInput == null || ip.InputProcessingConfiguration == null || ip.InputConfiguration == null)
{
throw new Exception("Ink Presenter is malformed");
}
// These to get all the drawing and input directly
ip.UnprocessedInput.PointerMoved += UnprocessedInput_PointerMoved;
ip.UnprocessedInput.PointerPressed += UnprocessedInput_PointerPressed;
ip.UnprocessedInput.PointerReleased += UnprocessedInput_PointerReleased;
ip.InputProcessingConfiguration.Mode = InkInputProcessingMode.None;
ip.InputProcessingConfiguration.RightDragAction = InkInputRightDragAction.AllowProcessing;
ip.InputConfiguration.IsEraserInputEnabled = true;
ip.InputConfiguration.IsPrimaryBarrelButtonInputEnabled = true;
ip.InputDeviceTypes = CoreInputDeviceTypes.Mouse /*| CoreInputDeviceTypes.Touch*/ | CoreInputDeviceTypes.Pen;
ip.IsInputEnabled = true;
paletteView.Opacity = 0.0; // 1.0 is 100%, 0.0 is 0%
pinsView.Opacity = 0.0; // 1.0 is 100%, 0.0 is 0%
var defaultFile = Path.Combine(ApplicationData.Current?.RoamingFolder?.Path, "default.slick");
if (defaultFile == null)
{
throw new Exception("Failed to pick an initial page path");
}
_tileStore = Sync.Run(() => LoadTileStore(defaultFile));
if (_tileStore == null)
{
throw new Exception("Failed to load initial page");
}
if (renderLayer == null)
{
throw new Exception("Invalid page structure (1)");
}
_tileCanvas = new TileCanvas(renderLayer, _tileStore);
pinsView?.SetConnections(_tileCanvas, _tileStore);
ImageImportFloater?.SetCanvasTarget(_tileCanvas);
TextFloater?.SetCanvasTarget(_tileCanvas);
_wetInk = new WetInkCanvas(wetInkCanvas ?? throw new Exception("Invalid page structure (2)"));
_tileCanvas?.Invalidate();
SetTitleBarString(Path.GetFileNameWithoutExtension(defaultFile));
}