/// <summary>
/// Gets the <see cref="CommandMapItem"/> for the specified command
/// </summary>
/// <param name="command"></param>
/// <returns>The <see cref="CommandMapItem"/> or null if the command is not valid</returns>
public CommandMapItem this[AnkhCommand command]
{
get
{
CommandMapItem item;
if (_map.TryGetValue(command, out item))
{
return(item);
}
else
{
item = new CommandMapItem(command);
_map.Add(command, item);
return(item);
}
}
}
/// <summary>
/// Gets the <see cref="CommandMapItem"/> for the specified command
/// </summary>
/// <param name="command"></param>
/// <returns>The <see cref="CommandMapItem"/> or null if the command is not valid</returns>
public CommandMapItem this[AnkhCommand command]
{
get
{
CommandMapItem item;
if (_map.TryGetValue(command, out item))
return item;
else
{
item = new CommandMapItem(command);
_map.Add(command, item);
return item;
}
}
}
private void EnsureLoaded()
{
if (_assembliesToLoad.Count == 0)
{
return;
}
if (_defined.Count == 0)
{
foreach (AnkhCommand cmd in Enum.GetValues(typeof(AnkhCommand)))
{
if (cmd <= AnkhCommand.CommandFirst)
{
continue;
}
_defined.Add(cmd);
}
}
while (_assembliesToLoad.Count > 0)
{
Assembly asm = _assembliesToLoad[0];
_assembliesToLoad.RemoveAt(0);
_assembliesLoaded.Add(asm);
foreach (Type type in asm.GetTypes())
{
if (!type.IsClass || type.IsAbstract || type.IsNested || !Attribute.IsDefined(type, typeof(CommandAttribute), false))
{
continue;
}
if (!typeof(ICommandHandler).IsAssignableFrom(type))
{
continue;
}
ICommandHandler instance = null;
foreach (CommandAttribute cmdAttr in type.GetCustomAttributes(typeof(CommandAttribute), false))
{
if (cmdAttr.Context != _commandContext || !cmdAttr.Applies())
{
continue;
}
foreach (AnkhCommand cmdInstance in cmdAttr.GetAllCommands())
{
CommandMapItem item = this[cmdInstance];
if (item == null)
{
throw new InvalidOperationException("Invalid command " + cmdInstance.ToString());
}
if (cmdAttr.LastCommand == cmdInstance)
{
item.DynamicMenuEnd = true;
continue;
}
if (instance == null)
{
instance = (ICommandHandler)Activator.CreateInstance(type);
IComponent component = instance as IComponent;
if (component != null)
{
component.Site = CommandSite;
}
}
Debug.Assert(item.ICommand == null || item.ICommand == instance, string.Format("No previous ICommand registered on the CommandMapItem for {0}", cmdAttr.Command));
item.ICommand = instance; // hooks all events via interface
item.Availability = cmdAttr.Availability;
item.HiddenWhenDisabled = cmdAttr.HideWhenDisabled;
item.CommandTarget = cmdAttr.CommandTarget;
item.ArgumentDefinition = cmdAttr.ArgumentDefinition ?? CalculateDefinition(cmdAttr.CommandTarget);
}
}
}
}
}
internal void Prepare(CommandMapItem item)
{
_mapItem = item;
}
