/// <summary>
/// 添加热键绑定;
/// </summary>
/// <param name="uiObjectProvider"></param>
/// <param name="command"></param>
/// <param name="key"></param>
/// <param name="modifier"></param>
public static void AddKeyBinding(this IUIObjectProvider uiObjectProvider, ICommand command, Key key, ModifierKeys modifier = ModifierKeys.None)
{
if (uiObjectProvider.UIObject is UIElement uiElement)
{
uiElement.InputBindings.Add(new KeyBinding(command, key, modifier));
}
}
void UninstallScale()
{
zoomable = null;
uiObjectProvider = null;
if (zoomElement == null)
{
return;
}
if (metroWindow != null)
{
metroWindow.WindowDpiChanged -= MetroWindow_WindowDpiChanged;
}
zoomElement.Loaded -= ZoomElement_Loaded;
zoomElement.PreviewMouseWheel -= ZoomElement_PreviewMouseWheel;
foreach (var b in commandBindings)
{
zoomElement.CommandBindings.Remove(b);
}
foreach (var b in keyBindings)
{
zoomElement.InputBindings.Remove(b);
}
zoomElement = null;
ResetBindings();
}
public void InstallZoom(IUIObjectProvider provider, FrameworkElement?elem)
{
var zoomable = (provider as IZoomableProvider)?.Zoomable ?? provider as IZoomable;
if (!(zoomable is null))
{
InstallScaleCore(provider, zoomable);
}
void InstallScaleCore(IUIObjectProvider provider, IZoomable zoomable)
{
UninstallScale();
if (zoomable == null)
{
return;
}
this.zoomable = zoomable;
SetZoomValue(zoomable.ZoomValue, force: true);
}
public void InstallZoom(IUIObjectProvider provider, FrameworkElement elem)
{
var zoomable = (provider as IZoomableProvider)?.Zoomable ?? provider as IZoomable;
if (zoomable != null)
{
InstallScaleCore(provider, zoomable);
}
else
{
InstallScaleCore(provider, elem);
}
}
void InstallScaleCore(IUIObjectProvider provider, FrameworkElement elem)
{
UninstallScale();
zoomElement = elem;
uiObjectProvider = provider;
if (zoomElement == null)
{
return;
}
zoomElement.PreviewMouseWheel += ZoomElement_PreviewMouseWheel;
zoomElement.CommandBindings.AddRange(commandBindings);
zoomElement.InputBindings.AddRange(keyBindings);
SetZoomValue(ZoomValue, force: true);
}
