removecommand.h

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#pragma once

#include "edbee/texteditorcommand.h"

namespace edbee {

class TextDocument;
class TextRangeSet;

class RemoveCommand : public TextEditorCommand
{
public:
    enum RemoveMode {
        RemoveChar,                     
        RemoveWord,                     
        RemoveLine                      
    };

    enum Direction {
        Left,                           
        Right                           
    };


    RemoveCommand( int removeMode, int direction );

    int coalesceId() const;
    int smartBackspace( TextDocument* doc, int caret );

    void rangesForRemoveChar( TextEditorController* controller, TextRangeSet* ranges );
    void rangesForRemoveWord( TextEditorController* controller, TextRangeSet* ranges );
    void rangesForRemoveLine( TextEditorController* controller, TextRangeSet* ranges );

    virtual void execute( TextEditorController* controller );
    virtual QString toString();

private:
    int directionSign() const;


    int removeMode_;        
    int direction_;         
};


} // edbee