public void OnResultExecuting(ResultExecutingContext filterContext)
{
if (filterContext.Result as ViewResult == null)
{
return;
}
var previewThemeName = _previewTheme.GetPreviewTheme();
if (string.IsNullOrEmpty(previewThemeName))
{
return;
}
var installedThemes = _featureManager.GetEnabledFeatures()
.Select(x => x.Extension)
.Where(x => DefaultExtensionTypes.IsTheme(x.ExtensionType))
.Distinct();
var themeListItems = installedThemes
.Select(theme => new SelectListItem {
Text = theme.Name,
Value = theme.Id,
Selected = theme.Id == previewThemeName
})
.ToList();
_workContextAccessor.GetContext(filterContext).Layout.Zones["Body"].Add(_shapeFactory.ThemePreview(Themes: themeListItems), ":before");
}
public ThemeSelectorResult GetTheme(RequestContext context)
{
var previewThemeName = _previewTheme.GetPreviewTheme();
return(string.IsNullOrEmpty(previewThemeName) ? null : new ThemeSelectorResult {
Priority = 90, ThemeName = previewThemeName
});
}