//////////////////////////
private async void ShowGalleryDialog()
{
Photo photo = await this.ShowGalleryDialogTask();
if (photo is null)
{
return;
}
// History
LayeragesArrangeHistory history = new LayeragesArrangeHistory(HistoryType.LayeragesArrange_AddLayer);
this.ViewModel.HistoryPush(history);
// Layer
Layerage imageLayerage = Layerage.CreateByGuid();
ImageLayer imageLayer = new ImageLayer(photo)
{
Id = imageLayerage.Id,
IsSelected = true,
};
LayerBase.Instances.Add(imageLayerage.Id, imageLayer);
// Mezzanine
LayerManager.Mezzanine(imageLayerage);
this.SelectionViewModel.SetMode(); // Selection
LayerManager.ArrangeLayers();
LayerManager.ArrangeLayersBackground();
this.ViewModel.Invalidate(); // Invalidate
}
public void MethodSelectedNone()
{
// History
LayersPropertyHistory history = new LayersPropertyHistory(HistoryType.LayersProperty_SetIsSelected);
// Selection
this.SetValue((layerage) =>
{
ILayer layer = layerage.Self;
if (layer.IsSelected == true)
{
// History
var previous = layer.IsSelected;
history.UndoAction += () =>
{
layer.IsSelected = previous;
};
layer.IsSelected = false;
}
});
// History
this.HistoryPush(history);
this.SetModeNone(); // Selection
LayerManager.ArrangeLayersBackground();
this.Invalidate(); // Invalidate
}
public void MethodSelectedSubtract(Layerage selectedLayerage)
{
ILayer selectedLayer = selectedLayerage.Self;
// History
LayersPropertyHistory history = new LayersPropertyHistory(HistoryType.LayersProperty_SetIsSelected);
if (selectedLayerage.Self.IsSelected == true)
{
// History
var previous = selectedLayer.IsSelected;
history.UndoAction += () =>
{
selectedLayer.IsSelected = previous;
};
selectedLayer.IsSelected = false;
}
// History
this.HistoryPush(history);
this.SetMode(); // Selection
LayerManager.ArrangeLayersBackground();
this.Invalidate(); // Invalidate
}
private async Task CopyMultipleImageFilesAndCreateImageLayersAsync(IReadOnlyList <IStorageItem> items)
{
if (items is null)
{
return;
}
// History
LayeragesArrangeHistory history = new LayeragesArrangeHistory(HistoryType.LayeragesArrange_AddLayer);
this.ViewModel.HistoryPush(history);
IList <Layerage> imageLayerages = new List <Layerage>();
foreach (IStorageItem item in items)
{
// Photo
StorageFile copyFile = await FileUtil.CopySingleImageFileAsync(item);
if (copyFile is null)
{
continue;
}
Photo photo = await Photo.CreatePhotoFromCopyFileAsync(LayerManager.CanvasDevice, copyFile);
Photo.DuplicateChecking(photo);
if (photo is null)
{
continue;
}
// Layer
Layerage imageLayerage = Layerage.CreateByGuid();
ImageLayer imageLayer = new ImageLayer(photo)
{
Id = imageLayerage.Id,
IsSelected = true,
};
LayerBase.Instances.Add(imageLayerage.Id, imageLayer);
imageLayerages.Add(imageLayerage);
}
// Mezzanine
LayerManager.MezzanineRange(imageLayerages);
this.SelectionViewModel.SetMode(); // Selection
LayerManager.ArrangeLayers();
LayerManager.ArrangeLayersBackground();
this.ViewModel.Invalidate(); // Invalidate
}
private void LayerDragItemsCompleted()
{
// History
LayeragesArrangeHistory history = new LayeragesArrangeHistory(HistoryType.LayeragesArrange_LayersArrange);
this.ViewModel.HistoryPush(history);
LayerManager.DragComplete(this.DragDestinationLayerage, this.DragSourceLayerage, this.DragLayerOverlayMode, this.DragLayerIsSelected);
this.SelectionViewModel.SetMode(); // Selection
LayerManager.ArrangeLayers();
LayerManager.ArrangeLayersBackground();
this.ViewModel.Invalidate(); // Invalidate
this.DragSourceLayerage = null;
this.DragDestinationLayerage = null;
this.DragLayerIsSelected = false;
this.DragLayerOverlayMode = OverlayMode.None;
}
public void MethodSelectedNot(Layerage selectedLayerage)
{
ILayer selectedLayer = selectedLayerage.Self;
// History
LayersPropertyHistory history = new LayersPropertyHistory(HistoryType.LayersProperty_SetIsSelected);
var previous = selectedLayer.IsSelected;
history.UndoAction += () =>
{
selectedLayer.IsSelected = previous;
};
selectedLayer.IsSelected = !selectedLayer.IsSelected;
// History
this.HistoryPush(history);
this.SetMode(); // Selection
// LayerManager.ArrangeLayersBackgroundItemClick(selectedLayerage);
LayerManager.ArrangeLayersBackground();
this.Invalidate(); // Invalidate
}