/// <summary>Converts a value. </summary>
/// <returns>A converted value. If the method returns null, the valid null value is used.</returns>
/// <param name="value">The value produced by the binding source.</param>
/// <param name="targetType">The type of the binding target property.</param>
/// <param name="parameter">The converter parameter to use.</param>
/// <param name="culture">The culture to use in the converter.</param>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
IEnumerable <IPresetObject> presets = value as IEnumerable <IPresetObject>;
if (presets == null)
{
return(null);
}
List <object> groupedMenu = new List <object>();
// Generate the Preset Manager Item
if (parameter != null && "true".Equals(parameter))
{
MenuItem savePresetMenuItem = new MenuItem
{
Header = Resources.MainView_SaveNewPreset,
Tag = null,
Command = new AddPresetCommand()
};
groupedMenu.Add(savePresetMenuItem);
MenuItem presetManagerMenuItem = new MenuItem
{
Header = Resources.PresetManger_Title,
Tag = null,
Command = new OpenPresetManagerCommand()
};
groupedMenu.Add(presetManagerMenuItem);
groupedMenu.Add(new Separator());
}
IEnumerable <IPresetObject> presetObjects = presets.ToList();
PresetDisplayMode mode = userSettingService.GetUserSetting <PresetDisplayMode>(UserSettingConstants.PresetMenuDisplayMode);
switch (mode)
{
case PresetDisplayMode.Flat:
GenerateFlatList(groupedMenu, presetObjects.ToList());
break;
case PresetDisplayMode.Partial:
GenerateUserPresets(groupedMenu, presetObjects.FirstOrDefault(p => p.Category == PresetService.UserPresetCategoryName));
GeneratePresets(groupedMenu, presetObjects.ToList(), mode);
break;
case PresetDisplayMode.Category:
GeneratePresets(groupedMenu, presetObjects.ToList(), mode);
break;
}
return(groupedMenu);
}
private void GeneratePresets(List <object> groupedMenu, IList <IPresetObject> userPresets, PresetDisplayMode displayMode)
{
if (!userPresets.Any(s => s.Category != PresetService.UserPresetCategoryName))
{
return;
}
if (displayMode == PresetDisplayMode.Partial)
{
groupedMenu.Add(GenerateMenuHeader(Resources.Main_Presets));
groupedMenu.Add(new Separator());
}
foreach (IPresetObject presetCategory in userPresets)
{
if (displayMode == PresetDisplayMode.Partial && PresetService.UserPresetCategoryName.Equals(presetCategory.Category))
{
continue; // In Partially Flat mode, we show the user presets flat so no need to include the category.
}
PresetDisplayCategory category = presetCategory as PresetDisplayCategory;
if (category != null)
{
groupedMenu.Add(GeneratePresetGroup(category));
}
}
}