public void Associate(MetaFeature metaFeature, ITypedServiceProvider serviceProvider)
{
if (m_metaCommand != null || m_serviceProvider != null)
{
throw new InvalidOperationException("Associate should only be called once on a IFeature instance.");
}
if (metaFeature == null)
{
throw new ArgumentNullException("metaFeature");
}
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
m_metaCommand = metaFeature as MetaCommand;
m_serviceProvider = serviceProvider;
IMenuCommandService menuService = m_serviceProvider.GetService <IMenuCommandService>();
Debug.Assert(menuService != null);
if (menuService != null)
{
menuService.AddCommand(this);
}
}
/// <summary>
/// Uninstalls specified command from the product.
/// </summary>
/// <param name="metaFeature">MetaCommand to uninstall.</param>
public void Uninstall(MetaFeature metaFeature)
{
MetaCommand metaCommand = metaFeature as MetaCommand;
Debug.Assert(metaCommand != null);
if (metaCommand != null && metaCommand.IsCustomCommand)
{
string canonicalName = m_commandService.GetCanonicalName(metaCommand.Name);
if (metaCommand.CustomCommandId == null)
{
metaCommand.CustomCommandId = m_commandService.FindCommandId(canonicalName);
}
if (metaCommand.CustomCommandId != null)
{
m_commandService.DeleteCommand(canonicalName);
metaCommand.CustomCommandId = null;
}
}
}
/// <summary>
/// Checks whether given command is already installed.
/// </summary>
/// <param name="metaFeature">MetaCommand.</param>
/// <returns>True if installed and false otherwise.</returns>
public bool IsInstalled(MetaFeature metaFeature)
{
MetaCommand metaCommand = metaFeature as MetaCommand;
Debug.Assert(metaCommand != null);
if (metaCommand != null)
{
if (metaCommand.IsCustomCommand)
{
if (metaCommand.CustomCommandId == null)
{
metaCommand.CustomCommandId = m_commandService.FindCommandId(m_commandService.GetCanonicalName(metaCommand.Name));
}
return(metaCommand.CustomCommandId != null);
}
else
{
return(true);
}
}
return(false);
}
protected virtual void Dispose(bool disposing)
{
Debug.Assert(disposing, "Finalizing CustomCommand without disposing.");
if (disposing)
{
if (m_serviceProvider != null)
{
IMenuCommandService menuService = m_serviceProvider.GetService <IMenuCommandService>();
if (menuService != null)
{
menuService.RemoveCommand(this);
}
m_serviceProvider = null;
}
}
m_metaCommand = null;
m_selection = null;
Debug.WriteLine("Unloaded and disposed command " + m_metaCommand);
}
/// <summary>
/// Installs the command into the product.
/// </summary>
/// <param name="metaFeature">MetaCommand to install.</param>
public void Install(MetaFeature metaFeature)
{
MetaCommand metaCommand = metaFeature as MetaCommand;
Debug.Assert(metaCommand != null && !IsInstalled(metaCommand));
if (metaCommand != null && metaCommand.IsCustomCommand)
{
string canonicalName = m_commandService.GetCanonicalName(metaCommand.Name);
if (metaCommand.CustomCommandId == null)
{
metaCommand.CustomCommandId = m_commandService.FindCommandId(canonicalName);
if (metaCommand.CustomCommandId == null)
{
metaCommand.CustomCommandId = m_commandService.CreateCommand(canonicalName, metaCommand.Name, metaCommand.Description);
}
}
foreach (CommandPlacementAttribute attr in ReflectionHelper.GetAttributes <CommandPlacementAttribute>(metaCommand.FeatureType))
{
m_commandService.PlaceCommand(canonicalName, attr.CommandBarPath);
}
}
}