public async Task <bool> TrySetCurrentThemeAsync(string theme, HttpContext httpContext)
{
if (!AvailableThemes.Contains(theme))
{
return(false);
}
if (!_themeProvider.GetThemes().Contains(theme))
{
_logger.ThemeNotAvailable(theme, _themeProvider.GetThemePath(ThemeProvider.ThemesBasePath, theme));
}
await SetCurrentThemeAsync(theme, httpContext);
return(true);
}
/// <summary>
/// To be called after setting _userSuppliedMap
/// </summary>
private async Task BuildAndApplySubsetMap()
{
if (_userSuppliedMap == null)
{
return;
}
// Clear existing map
_subsetMap = null;
// update list of available themes
AvailableThemes = await ThemeResponsiveMapUtilities.ThemesFromMap(_userSuppliedMap);
var systemTheme = _themeOracle.GetCurrentSystemTheme();
// Try to build map for selected theme
if (SelectedTheme == "Automatic" && AvailableThemes.Contains(systemTheme))
{
_subsetMap = await ThemeResponsiveMapUtilities.ThemedSubsetFromThemeAwareMap(_userSuppliedMap, systemTheme);
}
else if (AvailableThemes.Contains(SelectedTheme))
{
_subsetMap = await ThemeResponsiveMapUtilities.ThemedSubsetFromThemeAwareMap(_userSuppliedMap, SelectedTheme);
}
// Fall back to fallback theme
else if (AvailableThemes.Contains(FallbackTheme))
{
_subsetMap = await ThemeResponsiveMapUtilities.ThemedSubsetFromThemeAwareMap(_userSuppliedMap, FallbackTheme);
}
// Fall back to first theme
else if (AvailableThemes.Any())
{
_subsetMap = await ThemeResponsiveMapUtilities.ThemedSubsetFromThemeAwareMap(_userSuppliedMap, AvailableThemes.First());
}
// Fall back to input map
else
{
_subsetMap = _userSuppliedMap;
}
_subsetMap.InitialViewpoint = GetCurrentViewpoint(ViewpointType.BoundingGeometry);
// update map
base.Map = _subsetMap;
}