public WindowStateHandler(IWindowStateStore store, Window window, string windowName, bool autoAttach = false)
{
_store = store;
_window = window;
_windowName = windowName;
if (autoAttach)
{
_window.Loaded += WindowOnLoaded;
_window.Unloaded += WindowOnUnloaded;
_window.Closing += WindowOnClosing;
_window.StateChanged += WindowOnStateChanged;
_window.LocationChanged += WindowOnLocationChanged;
_window.SizeChanged += WindowOnSizeChanged;
}
// TODO: Track MetroWindow do not using restore bounds
_firstRestoreHandler = () =>
{
if (_window.WindowState == WindowState.Normal)
{
if (_store.WindowPositions.TryGetValue(_windowName, out var windowPosition))
{
windowPosition.SetPositionToWindow(_window);
windowPosition.SetSizeToWindow(_window);
}
_firstRestoreHandler = null;
}
};
}
public static void AttachPositionHandler(this Window window, IWindowStateStore store, string windowName, bool isMainWindow = false)
{
var unused = new WindowStateHandler(store, window, windowName, true)
{
IsMainWindow = isMainWindow
};
}
public void RestoreSizeAndLocation(IWindowStateStore config)
{
if (!config.WindowPositions.ContainsKey(_windowName))
{
return;
}
_ignoreChanges = true;
try
{
var data = config.WindowPositions[_windowName];
if (data.Position != null)
{
_window.Left = data.Position.X;
_window.Top = data.Position.Y;
}
if (data.Size != null)
{
_window.Width = data.Size.X;
_window.Height = data.Size.Y;
}
}
finally
{
_ignoreChanges = false;
}
}
public WindowStateHandler(IWindowStateStore store, Window window, string windowName, bool autoAttach = false)
{
_store = store;
_window = window;
_windowName = windowName;
if (autoAttach)
{
_window.Loaded += WindowOnLoaded;
_window.LocationChanged += WindowOnLocationChanged;
_window.SizeChanged += WindowOnSizeChanged;
_window.Unloaded += WindowOnUnloaded;
}
}
public void SaveSize(IWindowStateStore config)
{
if (config == null || _ignoreChanges)
{
return;
}
if (!config.WindowPositions.ContainsKey(_windowName))
{
config.WindowPositions[_windowName] = new WindowPosition();
}
config.WindowPositions[_windowName].Size = new WindowPosition.Point
{
X = _window.Width,
Y = _window.Height
};
}
public void SavePosition(IWindowStateStore config)
{
if (config == null || _ignoreChanges)
{
return;
}
if (_window.Left < 0 || _window.Top < 0)
{
return;
}
if (!config.WindowPositions.ContainsKey(_windowName))
{
config.WindowPositions[_windowName] = new WindowPosition();
}
config.WindowPositions[_windowName].Position = new WindowPosition.Point
{
X = _window.Left,
Y = _window.Top
};
}
public void RegisterStateStore(IWindowStateStore store)
{
_store = store;
}
public static void AttachPositionHandler(this Window window, IWindowStateStore store, string windowName)
{
var unused = new WindowStateHandler(store, window, windowName, true);
}
