public WpfApplicationExtension(Application owner)
{
_owner = owner ?? throw new ArgumentNullException(nameof(owner));
_themeHelper = new WpfSystemThemeHelperExtension(null);
_currentTheme = _themeHelper.GetSystemTheme();
SystemEvents.UserPreferenceChanged += SystemEvents_UserPreferenceChanged;
}
public void Version_AdminUpdate()
{
if (!EX_Admin.Power("version", "版本管理"))
{
AjaxNoPower();
return;
}
//更新系统页面
SystemTheme.CreateSystemPage();
Response.Write("{\"msg\":\"OK\"}");
}
private static void ApplyTheme(ThemeSetting theme)
{
var environment = DependencyService.Get <IEnvironment>();
ResourceDictionary themeDict;
SystemTheme systemTheme = environment.GetOperatingSystemTheme();
switch (theme)
{
case ThemeSetting.System:
if (systemTheme == SystemTheme.Dark)
{
themeDict = new DarkTheme();
}
else
{
themeDict = new LightTheme();
}
break;
case ThemeSetting.Light:
themeDict = new LightTheme();
systemTheme = SystemTheme.Light;
break;
case ThemeSetting.Dark:
themeDict = new DarkTheme();
systemTheme = SystemTheme.Dark;
break;
default:
throw new NotImplementedException();
}
var styleDict = new ElementStyles();
ICollection <ResourceDictionary> mergedDictionaries = currentApplication?.Resources.MergedDictionaries;
if (mergedDictionaries != null)
{
mergedDictionaries.Clear();
mergedDictionaries.Add(themeDict);
// Need to merge theme into style dict before adding as style dict depends on theme
styleDict.MergedDictionaries.Add(themeDict);
mergedDictionaries.Add(styleDict);
// Just add font dict since it doesn't depend on any others
mergedDictionaries.Add(new AppFonts());
}
// Set system theme for platform-specific theming.
environment.ApplyTheme(systemTheme);
}
private void SystemEvents_UserPreferenceChanged(object sender, UserPreferenceChangedEventArgs e)
{
// This event is raised when the theme is changed,
// but also for various other irrelevant reasons.
// Check the registry first, before forcing the application
// to refresh everything.
var newTheme = _themeHelper.GetSystemTheme();
if (newTheme != _currentTheme)
{
_currentTheme = newTheme;
SystemThemeChanged?.Invoke(this, EventArgs.Empty);
}
}
public void ApplyTheme(SystemTheme theme)
{
}
internal SystemPersonalisationChangedEventArgs(SystemTheme theme, bool isColorPrevalence)
{
Theme = theme;
IsColorPrevalence = isColorPrevalence;
}
