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/* ====================================================================
* Copyright (c) 2003-2006, Martin Hauner
* http://subcommander.tigris.org
*
* Subcommander is licensed as described in the file doc/COPYING, which
* you should have received as part of this distribution.
* ====================================================================
*/
#ifndef _NULLTEXTMODEL_H
#define _NULLTEXTMODEL_H
#include "TextModel.h"
class NullTextModel : public TextModel
{
public:
virtual ~NullTextModel();
/**
* \name TextModel implementation.
*/
//@{
/** TextModel implementation */
const sc::String& getSourceName();
const Line& getLine( sc::Size /*svn::Offset*/ );
BlockInfo getBlockInfo( int block );
sc::Size getLineCnt();
sc::Size getColumnCnt();
LineEnd getLineEnd();
unsigned int getTabWidth();
int replaceBlock( int block, TextModel* src );
const Cursor& getCursor();
const Cursor& getCursor2();
void setCursor( const Cursor& c );
void setCursor2( const Cursor& c );
Cursor moveCursorRight( bool moveC2 );
Cursor moveCursorLeft( bool moveC2 );
Cursor moveCursorDown( bool moveC2 );
Cursor moveCursorUp( bool moveC2 );
int getLastColumn();
void setLastColumn( int col );
Cursor calcNearestCursorPos( const Cursor& c );
void addText( const sc::String& s );
void removeTextLeft();
void removeTextRight();
sc::String getHighlightedText();
void undo();
void redo();
bool hasUndo();
void clearUndo();
//@}
static NullTextModel* getInstance();
private:
static NullTextModel _instance;
};
#endif // _NULLTEXTMODEL_H
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