ActionManager.h

#pragma once
 
#include <Foundation/Basics.h>
#include <GuiFoundation/Action/Action.h>
 
#define PL_REGISTER_ACTION_0(ActionName, Scope, CategoryName, ShortCut, ActionClass)                                  \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::Action, Scope, ActionName, CategoryName, ShortCut, \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(ActionClass, context, ActionName); }));
 
#define PL_REGISTER_ACTION_1(ActionName, Scope, CategoryName, ShortCut, ActionClass, Param1)                          \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::Action, Scope, ActionName, CategoryName, ShortCut, \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(ActionClass, context, ActionName, Param1); }));
 
#define PL_REGISTER_ACTION_2(ActionName, Scope, CategoryName, ShortCut, ActionClass, Param1, Param2)                  \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::Action, Scope, ActionName, CategoryName, ShortCut, \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(ActionClass, context, ActionName, Param1, Param2); }));
 
#define PL_REGISTER_DYNAMIC_MENU(ActionName, ActionClass, IconPath)                                                  \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::Menu, plActionScope::Default, ActionName, "", "", \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(ActionClass, context, ActionName, IconPath); }));
 
#define PL_REGISTER_ACTION_AND_DYNAMIC_MENU_1(ActionName, Scope, CategoryName, ShortCut, ActionClass, Param1)                \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::ActionAndMenu, Scope, ActionName, CategoryName, ShortCut, \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(ActionClass, context, ActionName, Param1); }));
 
#define PL_REGISTER_MENU(ActionName)                                                                                 \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::Menu, plActionScope::Default, ActionName, "", "", \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(plMenuAction, context, ActionName, ""); }));
 
#define PL_REGISTER_MENU_WITH_ICON(ActionName, IconPath)                                                             \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::Menu, plActionScope::Default, ActionName, "", "", \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(plMenuAction, context, ActionName, IconPath); }));
 
#define PL_REGISTER_CATEGORY(CategoryName)                                                                                 \
  plActionManager::RegisterAction(plActionDescriptor(plActionType::Category, plActionScope::Default, CategoryName, "", "", \
    [](const plActionContext& context) -> plAction* { return PL_DEFAULT_NEW(plCategoryAction, context); }));
 
class PL_GUIFOUNDATION_DLL plActionManager
{
public:
  static plActionDescriptorHandle RegisterAction(const plActionDescriptor& desc);
  static bool UnregisterAction(plActionDescriptorHandle& ref_hAction);
  static const plActionDescriptor* GetActionDescriptor(plActionDescriptorHandle hAction);
  static plActionDescriptorHandle GetActionHandle(const char* szCategory, const char* szActionName);
 
  static plString FindActionCategory(const char* szActionName);
 
  static plResult ExecuteAction(const char* szCategory, const char* szActionName, const plActionContext& context, const plVariant& value = plVariant());
 
  static void SaveShortcutAssignment();
  static void LoadShortcutAssignment();
 
  static const plIdTable<plActionId, plActionDescriptor*>::ConstIterator GetActionIterator();
 
  struct Event
  {
    enum class Type
    {
      ActionAdded,
      ActionRemoved
    };
 
    Type m_Type;
    const plActionDescriptor* m_pDesc;
    plActionDescriptorHandle m_Handle;
  };
 
  static plEvent<const Event&> s_Events;
 
private:
  PL_MAKE_SUBSYSTEM_STARTUP_FRIEND(GuiFoundation, ActionManager);
 
  static void Startup();
  static void Shutdown();
  static plActionDescriptor* CreateActionDesc(const plActionDescriptor& desc);
  static void DeleteActionDesc(plActionDescriptor* pDesc);
 
  struct CategoryData
  {
    plSet<plActionDescriptorHandle> m_Actions;
    plHashTable<const char*, plActionDescriptorHandle> m_ActionNameToHandle;
  };
 
private:
  static plIdTable<plActionId, plActionDescriptor*> s_ActionTable;
  static plMap<plString, CategoryData> s_CategoryPathToActions;
  static plMap<plString, plString> s_ShortcutOverride;
};