/// <summary>
/// Creates ManagerViewModel using given library and settings represented by given ManagerSettings
/// object
/// </summary>
/// <param name="library">LibraryViewModel representing library to be used with this manager</param>
/// <param name="settings">ManagerSettings object representing settings to be used</param>
public ManagerViewModel(LibraryViewModel library, ManagerSettings settings)
{
// Set assigned library
Library = library;
// Pull settings from the settings object
_updateIntervalHours = settings.UpdateIntervalHours;
_updateIntervalMins = settings.UpdateIntervalMins;
_checkInterval = new TimeSpan(_updateIntervalHours, _updateIntervalMins, 0);
_brightestTime = settings.BrightestTime;
_darkestTime = settings.DarkestTime;
StartsOnStartup = settings.StartsOnStartup;
WallpaperStyle = settings.WallpaperStyle;
// Create WallpaperStyles
WallpaperStyles = new List <string>()
{
"Tiled",
"Centered",
"Stretched",
"Fill",
"Fit"
};
// Create timers and start checking
CreateTimers();
CheckAndUpdate();
CreateCommands();
}
/// <summary>
/// Creates new ManagerViewModel using default settings and given library
/// </summary>
/// <param name="library">LibraryViewModel representing library to be used with this manager</param>
public ManagerViewModel(LibraryViewModel library)
{
// Set assigned library
Library = library;
// Set default property values
// Update interval 1 min; brightest time 1:00 PM; darkest time 11:00 PM; start on startup false;
// Fill wallpaper style
_updateIntervalHours = 0;
_updateIntervalMins = 1;
_checkInterval = new TimeSpan(_updateIntervalMins, _updateIntervalHours, 0);
DateTime now = DateTime.Now;
_brightestTime = new DateTime(now.Year, now.Month, now.Day, 13, 0, 0);
_darkestTime = new DateTime(now.Year, now.Month, now.Day, 23, 0, 0);
StartsOnStartup = false;
WallpaperStyle = "Fill";
// Create WallpaperStyles
WallpaperStyles = new List <string>()
{
"Tiled",
"Centered",
"Stretched",
"Fill",
"Fit"
};
// Create timers and start checking
CreateTimers();
CheckAndUpdate();
CreateCommands();
}
/// <summary>
/// Creates a new empty library and links the current Manager to it
/// </summary>
private void NewLibrary()
{
Library = new LibraryViewModel(Manager, _notifier, _imageGrid);
Manager.Library = Library;
// Reset timers and set progress report (progress bar message) to blank
Manager.ResetTimers();
Manager.ProgressReport = null;
}
/// <summary>
/// Creates new MainViewModel; attempts to pull Library and Manager from file and creates default
/// ones if either fails
/// </summary>
/// <param name="mainWindow">Main display window</param>
/// <param name="startingMinimized">True when starting minimized (ie from Windows startup), false
/// otherwise; will only show window after startup if this is set true</param>
/// <param name="imageGrid">Front-end ListView element used for displaying images on main window</param>
public MainViewModel(MainWindow mainWindow, bool startingMinimized, ListView imageGrid)
{
// Create notifier for sending toast notifs
CreateNotifier();
// Only show window if not starting minimized
if (!startingMinimized)
{
mainWindow.Show();
}
// Try to pull library from last lib file
LibraryViewModel libraryFromFile = GetLibraryFromLastLibFile(startingMinimized);
// If successful, use the library from file
if (libraryFromFile != null)
{
Library = libraryFromFile;
Library.ImageGrid = imageGrid;
}
// Otherwise create new empty library
else
{
Library = new LibraryViewModel(Manager, _notifier, imageGrid);
}
// Try to pull new manager from settings file
ManagerViewModel managerFromFile = GetManagerFromSettingsFile(startingMinimized);
// If successful, use the manager from file
if (managerFromFile != null)
{
Manager = managerFromFile;
}
// If unsuccessful (e.g. no settings file exists), just create new manager with default settings
else
{
Manager = new ManagerViewModel(Library);
}
// Link library and manager after creation
Library.Manager = Manager;
Manager.Library = Library;
// Check and update before displaying
Manager.CheckAndUpdate();
// Store window and image grid element
_window = mainWindow;
_imageGrid = imageGrid;
CreateCommands();
}
/// <summary>
/// Returns LibraryViewModel represented by given Stream
/// </summary>
/// <param name="fileStream">Stream representing library</param>
/// <returns>LibraryViewModel represented by given Stream</returns>
private LibraryViewModel GetLibraryFromStream(Stream fileStream)
{
var serializer = new JsonSerializer();
// Use json serializer to read library file and create a new library
using (var streamReader = new StreamReader(fileStream))
using (var jsonTextReader = new JsonTextReader(streamReader))
{
// Deserialize WBImage array from file
WBImage[] imageArray = (WBImage[])serializer.Deserialize(jsonTextReader, typeof(WBImage[]));
// Create new library VM using image array
LibraryViewModel newLibrary = new LibraryViewModel(imageArray, Manager, _notifier, _imageGrid);
// Check for missing files in opened library
newLibrary.CheckMissing();
return(newLibrary);
}
}
