private void DeleteCommandMethod()
{
if (SelectedBook != null)
{
MessageBoxResult messageBoxResult = MessageBox.Show("Вы уверены, что хотите удалить эту книгу?",
"Подтвердите безвозвратное удаление книги", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (messageBoxResult == MessageBoxResult.Yes)
{
LibraryList.Remove(SelectedBook);
}
}
}
/// <summary>
/// Remove given collection of controls (representing WBImages) from library; used with front-end button command
/// </summary>
/// <param name="collection">Collection of controls representing WBImages to be removed (object type since coming from command)</param>
private void Remove(object collection)
{
// Cast the collection of controls to a collection of WBImages
System.Collections.IList items = (System.Collections.IList)collection;
var selectedImages = items.Cast <WBImage>();
// Remove each WBImage in the collection from the library list
foreach (WBImage image in selectedImages.ToList())
{
LibraryList.Remove(image);
}
// Set empty flag if library is empty after removal
if (LibraryList.Count < 1)
{
IsEmpty = true;
}
// Save changes to last library file
SaveLastLibrary();
// Update manager
Manager.CheckAndUpdate();
}
/// <summary>
/// Checks for any missing images in library (i.e. image exists in library but not on disk); gives
/// user message box notif and returns true if missing image(s) found; returns false otherwise
/// </summary>
/// <returns>True if missing image(s) found, false otherwise</returns>
public bool CheckMissing()
{
List <string> missingImages = new List <string>();
// Loop over each WBImage in library
foreach (WBImage image in LibraryList.ToList())
{
// Check if image does not exist at WBImage's associated path (or no permissions to that file)
if (!File.Exists(image.Path))
{
// Add this image's file name to the list of missing images
missingImages.Add(Path.GetFileName(image.Path));
// Remove this WBImage from the library
LibraryList.Remove(image);
}
}
// If missing images found, show message box explaining this to user and return true
if (missingImages.Count > 0)
{
string message = "The following image files are missing and were removed from the library:\n\n";
foreach (string filename in missingImages)
{
message += filename + "\n";
}
message += "\nThese files may have been moved or deleted, or WallBrite may not have permission to access them. If you're sure " +
"the files are still where they were, try running WallBrite as administrator to make sure it has permissions to access them.";
FlexibleMessageBox.Show(message, "Missing Files", WinForms.MessageBoxButtons.OK, WinForms.MessageBoxIcon.Warning);
return(true);
}
// If no missing images found, return false
return(false);
}
