/// <summary> Resolves all registered menus and items and tells the main window to handle it. </summary>
/// <param name="mainWindow">Main window</param>
public static void AddExtensionPointMenuItems(IMainWindow mainWindow)
{
IConfigurationElement[] configurationElements = ExtensionService.Instance.GetConfigurationElements(ExtensionPointIdMenuItems);
List <IConfigurationElement> menuElementCollection = new List <IConfigurationElement>(30);
List <IConfigurationElement> menuItemElementsCollection = new List <IConfigurationElement>(30);
List <IConfigurationElement> menuItemSeparatorsCollection = new List <IConfigurationElement>(30);
Func <string, ICollection <IConfigurationElement> > getCollection = prefix => {
if (prefix == "menu")
{
return(menuElementCollection);
}
if (prefix == "menuItem")
{
return(menuItemElementsCollection);
}
if (prefix == "separator")
{
return(menuItemSeparatorsCollection);
}
return(null);
};
// Sort elements into corresponding collections
for (int i = -1; ++i != configurationElements.Length;)
{
IConfigurationElement element = configurationElements[i];
string prefix = element.Prefix;
ICollection <IConfigurationElement> collection = getCollection(prefix);
collection?.Add(element);
}
// Process registered menus
using (IEnumerator <IConfigurationElement> itr = menuElementCollection.GetEnumerator()) {
while (itr.MoveNext())
{
IConfigurationElement element = itr.Current;
string id = element["id"];
string label = element["label"];
// NLS support
if (label.StartsWith("%"))
{
string nlsKey = label.Substring(1);
string assemblyName = ExtensionService.Instance.GetProvidingBundle(element).Name;
// We cannot use the AppDomain here, because the assembly must not have been loaded yet
Assembly assembly = Assembly.Load(assemblyName); // TODO Check if this may be an issue
string localizationId = NLS.GetLocalizationId(assembly);
label = NLS.GetText(localizationId, nlsKey);
}
MenuContribution menu = new MenuContribution(id, label);
_idToMenuMap.Add(id, menu);
}
}
// Collection of all opened streams
LinkedList <Stream> streamList = new LinkedList <Stream>();
// Process registered menu items
using (IEnumerator <IConfigurationElement> itr = menuItemElementsCollection.GetEnumerator()) {
while (itr.MoveNext())
{
IConfigurationElement element = itr.Current;
string id = element["id"];
string menu = element["menu"];
string label = element["label"];
string handler = element["handler"];
string shortcut = element["shortcut"];
string image = element["image"];
IBundle providingBundle = ExtensionService.Instance.GetProvidingBundle(element);
IActionHandler actionHandler = null;
if (!string.IsNullOrEmpty(handler))
{
Type handlerType = TypeLoader.TypeForName(providingBundle, handler);
actionHandler = handlerType.NewInstance <IActionHandler>();
}
Stream imageStream = null;
if (!string.IsNullOrEmpty(image))
{
imageStream = providingBundle.GetAssemblyResourceAsStream(image);
streamList.AddLast(imageStream);
}
// NLS support
label = NLS.Localize(label, actionHandler);
MenuItemContribution menuItem = new MenuItemContribution(id, label, menu, actionHandler, shortcut, imageStream);
if (_idToMenuMap.TryGetValue(menu, out MenuContribution menuInstance))
{
menuInstance.MenuItems.Add(menuItem);
}
}
}
int findIndex(IList <MenuItemContribution> set, string itemRef)
{
for (int i = -1; ++i != set.Count;)
{
MenuItemContribution mic = set[i];
if (mic.Id == itemRef)
{
return(i);
}
}
return(-1);
}
// Process registered separators
using (IEnumerator <IConfigurationElement> itr = menuItemSeparatorsCollection.GetEnumerator()) {
while (itr.MoveNext())
{
IConfigurationElement element = itr.Current;
string id = element["id"];
string menu = element["menu"];
string insertBefore = element["insertBefore"];
string insertAfter = element["insertAfter"];
MenuItemContribution menuItem = new MenuItemContribution(id, string.Empty, menu, null, null, null)
{
IsSeparator = true
};
if (!_idToMenuMap.TryGetValue(menu, out MenuContribution menuContribution))
{
continue;
}
bool useInsertBefore = !string.IsNullOrEmpty(insertBefore);
string itemReference = useInsertBefore ? insertBefore : insertAfter;
IList <MenuItemContribution> menuItemCollection = menuContribution.MenuItems;
int referenceIndex = findIndex(menuItemCollection, itemReference);
if (referenceIndex == -1)
{
continue;
}
int insertIndex = useInsertBefore ? referenceIndex : referenceIndex + 1;
menuItemCollection.Insert(insertIndex, menuItem);
}
}
// Support custom menu configurer
ICustomMenuConfigurer customMenuConfigurer = GetCustomMenuConfigurer();
MenuContribution[] menuContributions = _idToMenuMap.Values.ToArray();
MenuContribution[] customMenuContributions = customMenuConfigurer != null
? customMenuConfigurer.Configure(menuContributions)
: menuContributions;
// Add each contributed menu to the main window
Array.ForEach(customMenuContributions, mainWindow.AddMenu);
// Disposing all opened streams
using (LinkedList <Stream> .Enumerator enmtor = streamList.GetEnumerator()) {
while (enmtor.MoveNext())
{
Stream stream = enmtor.Current;
stream?.Dispose();
}
}
}
/// <summary> Resolves all registered menus and items and tells the main window to handle it. </summary>
/// <param name="mainWindow">Main window</param>
public static void AddExtensionPointToolbarItems(IMainWindow mainWindow)
{
IConfigurationElement[] configurationElements = ExtensionService.Instance.GetConfigurationElements(ExtensionPointId);
IConfigurationElement[] groupElements = configurationElements.Where(x => x.Prefix == "toolbarGroup").ToArray();
IConfigurationElement[] groupItemElements = configurationElements.Where(x => x.Prefix == "toolbarItem").ToArray();
for (int i = -1; ++i < groupElements.Length;)
{
IConfigurationElement element = groupElements[i];
string id = element["id"];
ToolbarGroupContribution menu = new ToolbarGroupContribution(id);
_idToMenuMap.Add(id, menu);
}
// Collection of all opened streams
List <Stream> streamList = new List <Stream>(20);
for (int i = -1; ++i < groupItemElements.Length;)
{
IConfigurationElement element = groupItemElements[i];
string id = element["id"];
string group = element["group"];
string handler = element["handler"];
string image = element["image"];
string label = element["label"];
IBundle providingBundle = ExtensionService.Instance.GetProvidingBundle(element);
IActionHandler actionHandler = null;
if (!string.IsNullOrEmpty(handler))
{
Type handlerType = TypeLoader.TypeForName(providingBundle, handler);
actionHandler = handlerType.NewInstance <IActionHandler>();
}
Stream imageStream = null;
if (!string.IsNullOrEmpty(image))
{
imageStream = providingBundle.GetAssemblyResourceAsStream(image);
streamList.Add(imageStream);
}
// NLS support
label = NLS.Localize(label, actionHandler);
ToolbarItemContribution menuItem = new ToolbarItemContribution(id, group, actionHandler, label, imageStream);
ToolbarGroupContribution menuInstance;
if (_idToMenuMap.TryGetValue(group, out menuInstance))
{
menuInstance.GroupItems.Add(menuItem);
}
}
using (IEnumerator <ToolbarGroupContribution> itr = _idToMenuMap.Values.GetEnumerator()) {
while (itr.MoveNext())
{
ToolbarGroupContribution contribution = itr.Current;
mainWindow.AddToolbarGroup(contribution);
}
}
// Disposing all opened streams
using (IEnumerator <Stream> itr = streamList.GetEnumerator()) {
while (itr.MoveNext())
{
Stream stream = itr.Current;
stream?.Dispose();
}
}
}