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+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2013 CERN
+ * @author Maciej Suminski <maciej.suminski@cern.ch>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef ACTION_MANAGER_H_
+#define ACTION_MANAGER_H_
+
+#include <list>
+#include <map>
+#include <string>
+
+class TOOL_BASE;
+class TOOL_MANAGER;
+class TOOL_ACTION;
+
+/**
+ * Class ACTION_MANAGER
+ *
+ * Takes care of TOOL_ACTION objects. Registers them and allows to run them using associated
+ * hot keys, names or ids.
+ */
+class ACTION_MANAGER
+{
+public:
+ /**
+ * Constructor.
+ * @param aToolManager is a tool manager instance that is used to pass events to tools.
+ */
+ ACTION_MANAGER( TOOL_MANAGER* aToolManager );
+
+ /**
+ * Destructor.
+ * Unregisters every registered action.
+ */
+ ~ACTION_MANAGER();
+
+ /**
+ * Function RegisterAction()
+ * Adds a tool action to the manager and sets it up. After that is is possible to invoke
+ * the action using hotkeys or sending a command event with its name.
+ * @param aAction: action to be added. Ownership is not transferred.
+ */
+ void RegisterAction( TOOL_ACTION* aAction );
+
+ /**
+ * Function UnregisterAction()
+ * Removes a tool action from the manager and makes it unavailable for further usage.
+ * @param aAction: action to be removed.
+ */
+ void UnregisterAction( TOOL_ACTION* aAction );
+
+ /**
+ * Generates an unique ID from for an action with given name.
+ */
+ static int MakeActionId( const std::string& aActionName );
+
+ /**
+ * Function FindAction()
+ * Finds an action with a given name (if there is one available).
+ * @param aActionName is the searched action.
+ * @return Pointer to a TOOL_ACTION object or NULL if there is no such action.
+ */
+ TOOL_ACTION* FindAction( const std::string& aActionName ) const;
+
+ /**
+ * Function RunHotKey()
+ * Runs an action associated with a hotkey (if there is one available).
+ * @param aHotKey is the hotkey to be handled.
+ * @return True if there was an action associated with the hotkey, false otherwise.
+ */
+ bool RunHotKey( int aHotKey ) const;
+
+ /**
+ * Function GetHotKey()
+ * Returns the hot key associated with a given action or 0 if there is none.
+ * @param aAction is the queried action.
+ */
+ int GetHotKey( const TOOL_ACTION& aAction ) const;
+
+ /**
+ * Function UpdateHotKeys()
+ * Updates TOOL_ACTIONs hot key assignment according to the current frame's Hot Key Editor settings.
+ */
+ void UpdateHotKeys();
+
+ /**
+ * Function GetActionList()
+ * Returns list of TOOL_ACTIONs. TOOL_ACTIONs add themselves to the list upon their
+ * creation.
+ * @return List of TOOL_ACTIONs.
+ */
+ static std::list<TOOL_ACTION*>& GetActionList()
+ {
+ static std::list<TOOL_ACTION*> actionList;
+
+ return actionList;
+ }
+
+private:
+ ///> Resolves a reference to legacy hot key settings to a particular hot key.
+ ///> @param aAction is the action to be resolved.
+ int processHotKey( TOOL_ACTION* aAction );
+
+ ///> Tool manager needed to run actions
+ TOOL_MANAGER* m_toolMgr;
+
+ ///> Map for indexing actions by their names
+ std::map<std::string, TOOL_ACTION*> m_actionNameIndex;
+
+ ///> Map for indexing actions by their hotkeys
+ typedef std::map<int, std::list<TOOL_ACTION*> > HOTKEY_LIST;
+ HOTKEY_LIST m_actionHotKeys;
+
+ ///> Quick action<->hot key lookup
+ std::map<int, int> m_hotkeys;
+};
+
+#endif /* ACTION_MANAGER_H_ */