/// <summary>
/// Asks the user to choose an image from disk and adds it to the list
/// </summary>
private void AddImage()
{
if (CanAddImages)
{
// Move file types somewhere else
var fileName = IoCServer.UI.ShowSingleFileDialog(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "png files (*.png)|*.png|jpg files (*.jpg)|*.jpg|bmp files (*.bmp)|*.bm/p");
// The user did not selected any files
if (string.IsNullOrEmpty(fileName))
{
return;
}
Bitmap image;
try
{
image = new Bitmap(fileName);
TaskContent.ValidateImage(image);
}
catch (FileNotFoundException ex)
{
IoCServer.UI.ShowMessage(new MessageBoxDialogViewModel()
{
Message = $"Nie można wczytać pliku. Błąd: {ex.Message}",
OkText = "OK",
Title = "Nie można dodać obrazka",
});
return;
}
catch (Exception ex)
{
IoCServer.UI.ShowMessage(new MessageBoxDialogViewModel()
{
Message = ex.Message,
OkText = "OK",
Title = "Nie można dodać obrazka",
});
return;
}
Items.Add(new ImagesEditorItemViewModel()
{
ID = Items.Count,
Thumbnail = image.GetThumbnail(),
OriginalImage = image,
});
Images.Add(image);
ImageAdded.Invoke(image);
ListModified.Invoke();
OnPropertyChanged(nameof(CanAddImages));
OnPropertyChanged(nameof(CanGoForward));
OnPropertyChanged(nameof(CanGoBack));
}
}
public void RemovePoint(LinkedListNode <CurvePoint> p)
{
int index = CurvePoints.IndexOf(p);
CurvePoints.Remove(p);
ListModified?.Invoke(this, new Tuple <bool, int>(false, index));
SaveChanges?.Invoke();
}
public void AddPoint(CurvePoint newPoint, LinkedListNode <CurvePoint> relTo, bool before = true)
{
newPoint.PropertyChanged += Point_PropertyChanged;
LinkedListNode <CurvePoint> addedNode;
if (relTo == null)
{
addedNode = CurvePoints.AddFirst(newPoint);
}
else if (before)
{
addedNode = CurvePoints.AddBefore(relTo, newPoint);
}
else
{
addedNode = CurvePoints.AddAfter(relTo, newPoint);
}
ListModified?.Invoke(this, new Tuple <bool, int>(true, CurvePoints.IndexOf(addedNode)));
SaveChanges?.Invoke();
}
/// <summary>
/// Deletes an immage from the list
/// </summary>
/// <param name="obj"></param>
private void DeleteImage(object obj)
{
var index = GetIndex(obj);
if (index == -1)
{
return;
}
var DeletedImage = Images[index];
Items.RemoveAt(index);
Images.RemoveAt(index);
UpdateIndexes(index);
ImageDeleted.Invoke(DeletedImage);
ListModified.Invoke();
OnPropertyChanged(nameof(CanAddImages));
OnPropertyChanged(nameof(CanGoForward));
OnPropertyChanged(nameof(CanGoBack));
}