3
프리즘 (CAL) 프레임 워크를 만들려고합니다. (이것은 CAL에 대한 첫 번째 포어입니다.) 지역의 메뉴 항목 등록 서비스를 고안하는 데 어려움이 있습니다. 여기에 프리즘 응용 프로그램의 메뉴 서비스 CAL
/// <summary>
/// Menu item service - allows any module to register menu items with any region
/// </summary>
public class MenuService : IMenuService
{
private IUnityContainer m_UnityContainer;
private IRegionManager m_RegionManager;
private Dictionary<string, IUnityContainer> m_MenuContainers = new Dictionary<string,IUnityContainer>();
/// <summary>
/// Injection ctor
/// </summary>
/// <param name="unityContainer"></param>
/// <param name="regionManager"></param>
public MenuService(IUnityContainer unityContainer, IRegionManager regionManager)
{
m_UnityContainer = unityContainer;
m_RegionManager = regionManager;
}
/// <summary>
/// Registers a menu item with the service
/// </summary>
/// <param name="topLevelName"></param>
/// <param name="regionIdentity"></param>
/// <param name="displayText"></param>
public void RegisterMenuItem(string topLevelName, string regionIdentity, string displayText)
{
IUnityContainer container = GetOrCreateUiIdentityContainer(regionIdentity);
if (string.IsNullOrEmpty(topLevelName))
container.RegisterInstance("MENUITEM" + displayText, new MenuItem { Header = displayText});
else
{
MenuItem topLevel = container.Resolve<MenuItem>("MENUITEM" + topLevelName);
if (topLevel.Header == null)
{
topLevel = new MenuItem{ Header = topLevelName};
container.RegisterInstance<MenuItem>("MENUITEM" + topLevelName, topLevel);
}
MenuItem newItem = new MenuItem{Header = displayText};
topLevel.Items.Add(newItem);
container.RegisterInstance("MENUITEM" + topLevelName + "_" + displayText, newItem);
}
}
private IUnityContainer GetOrCreateUiIdentityContainer(string regionIdentity)
{
IUnityContainer container;
container = GetUnityContainer(regionIdentity);
if (container != null)
return container;
container = m_UnityContainer.CreateChildContainer();
m_MenuContainers.Add(regionIdentity, container);
return container;
}
private IUnityContainer GetUnityContainer(string regionIdentity)
{
IUnityContainer container;
m_MenuContainers.TryGetValue(regionIdentity, out container);
return container;
}
/// <summary>
/// Builds up the menu for a given region
/// </summary>
/// <param name="regionIdentity"></param>
public void BuildMenu(string regionIdentity)
{
IUnityContainer container;
container = GetUnityContainer(regionIdentity);
if (container == null)
return;
IRegion region = m_RegionManager.Regions[regionIdentity];
if (region == null)
return;
IEnumerable<MenuItem> menuItems = container.ResolveAll<MenuItem>();
foreach (MenuItem item in menuItems)
{
if (item.Role == MenuItemRole.SubmenuHeader)
region.Add(item);
}
}
}