textchange.h

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#pragma once

#include <QString>

#include "edbee/models/changes/abstractrangedchange.h"

namespace edbee {

class TextChange : public AbstractRangedChange
{
public:
    TextChange(int offset, int length, const QString& text );
    virtual ~TextChange();

    virtual void execute(TextDocument* document);
    virtual void revert(TextDocument* document);

protected:
    virtual void mergeStoredData( AbstractRangedChange* change );

public:
    virtual bool giveAndMerge(TextDocument *document, Change* textChange );

    virtual QString toString();

    int offset() const;
    void setOffset( int offset );
    virtual int docLength() const;
    virtual int storedLength() const;

    void setDocLength( int len );

    QString storedText() const;
    void setStoredText( const QString& text );
    void appendStoredText( const QString& text );
    const QString docText( TextDocument* doc ) const;

    QString testString();

protected:
    void replaceText( TextDocument* document );

private:
    int offset_;            
    int length_;            
    QString text_;          
};

} // edbee