protected override void RegisterCommandInfo(CommandInfo info)
{
// Embedded image resources will not be available as WPF app resources
// If image resource does not exist we need to create it and add it to app resources
object imageResourceKey = null;
if ((info.ImageKey == null) && (!string.IsNullOrEmpty(info.ImageName)))
{
imageResourceKey = Sce.Atf.Wpf.ResourceUtil.GetKeyFromImageName(info.ImageName);
info.ImageKey = imageResourceKey;
}
base.RegisterCommandInfo(info);
// Associate the registered MenuInfo with this CommandService. Only can be registered once.
info.CommandService = this;
// If command has not been previously registered then create
// a CommandItem for it and add it to the composition
CommandItem command;
if (!m_commandsLookup.TryGetValue(info.CommandTag, out command))
{
command = new CommandItem(info, CanExecuteCommand, ExecuteCommand);
m_commandsLookup.Add(command.CommandTag, command);
if (m_composer != null)
command.ComposablePart = m_composer.AddPart(command);
}
}
/// <summary>
/// Creates and registers a command for a command client</summary>
/// <param name="def">Command definition</param>
/// <param name="client">Command client</param>
/// <returns>ICommandItem for command</returns>
public ICommandItem RegisterCommand(CommandDef def, ICommandClient client)
{
Requires.NotNull(client, "client");
// Problem - what about same command tag registered in several places with different shortcuts
// submenus etc?
ICommandItem command;
if (!m_commandsLookup.TryGetValue(def.CommandTag, out command))
{
if (!CommandIsUnique(def.MenuTag, def.CommandTag))
{
throw new InvalidOperationException(
string.Format(
"Duplicate menu/command combination. CommandTag: {0}, MenuTag: {1}, GroupTag: {2}, MenuText: {3}",
def.CommandTag, def.GroupTag, def.MenuTag, def.Text));
}
command = new CommandItem(def, CanDoCommand, CommandExecuted);
m_commands.Add(command);
m_commands.Sort(new CommandComparer());
m_commandsLookup.Add(command.CommandTag, command);
int index = m_commands.IndexOf(command);
CommandAdded.Raise<ItemInsertedEventArgs<ICommandItem>>(this, new ItemInsertedEventArgs<ICommandItem>(index, command));
}
m_commandClients.Add(def.CommandTag, client);
return command;
}