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Editor/Commands/CommandManager.h

@@ -0,0 +1,78 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   commandmanager.h
+//  Version:     v1.00
+//  Created:     4/7/2002 by Timur.
+//  Compilers:   Visual Studio.NET
+//  Description: 
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __commandmanager_h__
+#define __commandmanager_h__
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+#include "Command.h"
+
+/** Implement this interface and register it to command manager to intercept commands
+		before they executed.
+*/
+class	ICommandHandler
+{
+public:
+	/** Called before this command is executed.
+			@return Return false to stop command from executing.
+	*/
+	virtual	bool OnCommand( CCommand *command ) = 0;
+};
+
+/** Command manager stores all commands in the Editor.
+*/
+class	CCommandManager
+{
+public:
+	typedef Functor0 CommandCallback;
+
+	CCommandManager();	// Ctor.
+	~CCommandManager();
+
+	//! Execute command by name.
+	void Execute( const char *command );
+
+	//! Execute command by id.
+	void ExecuteId( int commandId );
+
+	void GetSortedCmdList( std::vector<CString> &cmds );
+	CString	AutoComplete( const char* substr );
+	CString	AutoCompletePrev( const char* substr );
+
+	void	RegisterCommand( CCommand *cmd );
+	void	UnregisterCommand( CCommand *cmd );
+	void	AddCommandHandler( ICommandHandler *handler );
+	void	RemoveCommandHandler( ICommandHandler *handler );
+
+	//! Regster callback command.
+	void RegisterCommand( const CString &sCommand,CommandCallback callback );
+	//! Unregister command by name.
+	void UnregisterCommand( const CString &sCommand );
+
+private:
+	CCommand*	FindCommand( const CString &sCommand ) const;
+
+	//typedef string_hash_multimap<CommandOp*> Commands;
+	typedef std::map<CString,CCommandPtr> Commands;
+	Commands m_commands;
+	
+	typedef	std::vector<ICommandHandler*>	CmdHandlers;
+	CmdHandlers	m_cmdHandlers;
+};
+
+#endif // __commandmanager_h__