pjs/editor/base/nsEditorCommands.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
#ifndef nsIEditorCommand_h_
#define nsIEditorCommand_h_
#include "nsCOMPtr.h"
#include "nsIControllerCommand.h"
#include "nsIAtom.h"
// This is a virtual base class for commands registered with the editor controller.
// Note that such commands can be shared by more than on editor instance, so
// MUST be stateless. Any state must be stored via the refCon (an nsIEditor).
class nsBaseEditorCommand : public nsIControllerCommand
{
public:
nsBaseEditorCommand();
virtual ~nsBaseEditorCommand() {}
NS_DECL_ISUPPORTS
NS_IMETHOD IsCommandEnabled(const nsAReadableString & aCommandName, nsISupports *aCommandRefCon, PRBool *_retval) = 0;
NS_IMETHOD DoCommand(const nsAReadableString & aCommandName, nsISupports *aCommandRefCon) = 0;
};
#define NS_DECL_EDITOR_COMMAND(_cmd) \
class _cmd : public nsBaseEditorCommand \
{ \
public: \
NS_IMETHOD IsCommandEnabled(const nsAReadableString & aCommandName, nsISupports *aCommandRefCon, PRBool *_retval); \
NS_IMETHOD DoCommand(const nsAReadableString & aCommandName, nsISupports *aCommandRefCon); \
};
// basic editor commands
NS_DECL_EDITOR_COMMAND(nsUndoCommand)
NS_DECL_EDITOR_COMMAND(nsRedoCommand)
NS_DECL_EDITOR_COMMAND(nsCutCommand)
NS_DECL_EDITOR_COMMAND(nsCutOrDeleteCommand)
NS_DECL_EDITOR_COMMAND(nsCopyCommand)
NS_DECL_EDITOR_COMMAND(nsCopyOrDeleteCommand)
NS_DECL_EDITOR_COMMAND(nsPasteCommand)
NS_DECL_EDITOR_COMMAND(nsDeleteCommand)
NS_DECL_EDITOR_COMMAND(nsSelectAllCommand)
NS_DECL_EDITOR_COMMAND(nsSelectionMoveCommands)
#if 0
// template for new command
NS_IMETHODIMP
nsFooCommand::IsCommandEnabled(const nsAReadableString & aCommandName, nsISupports *aCommandRefCon, PRBool *_retval)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsFooCommand::DoCommand(const nsAReadableString & aCommandName, const nsAReadableString & aCommandParams, nsISupports *aCommandRefCon)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
#endif
#endif // nsIEditorCommand_h_