QY2DiskUsageList.h

/*
  Copyright (C) 2000-2012 Novell, Inc
  This library is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) version 3.0 of the License. This library
  is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
  License for more details. You should have received a copy of the GNU
  Lesser General Public License along with this library; if not, write
  to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  Floor, Boston, MA 02110-1301 USA
*/


/*-/

  File:       QY2DiskUsageList.h

  Author:     Stefan Hundhammer <shundhammer@suse.de>

  This is a pure Qt widget - it can be used independently of YaST2.

/-*/


#ifndef QY2DiskUsageList_h
#define QY2DiskUsageList_h

#include <QColor>
#include <yui/FSize.h>

#include "QY2ListView.h"


class QY2DiskUsageListItem;


class QY2DiskUsageList : public QY2ListView
{
    Q_OBJECT

public:

    QY2DiskUsageList( QWidget * parent, bool addStdColumns = true );

    virtual ~QY2DiskUsageList();


    // Column numbers

    int nameCol()       const   { return _nameCol;      }
    int percentageBarCol()  const   { return _percentageBarCol; }
    int usedSizeCol()       const   { return _usedSizeCol;      }
    int freeSizeCol()       const   { return _freeSizeCol;      }
    int totalSizeCol()      const   { return _totalSizeCol;     }
    int deviceNameCol()     const   { return _deviceNameCol;    }


    virtual void drawRow ( QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index ) const;

    // make it public
    QTreeWidgetItem * itemFromIndex ( const QModelIndex & index ) const
    { return QY2ListView::itemFromIndex(index); }

protected:

    int _nameCol;
    int _percentageBarCol;
    int _usedSizeCol;
    int _freeSizeCol;
    int _totalSizeCol;
    int _deviceNameCol;
};



class QY2DiskUsageListItem: public QY2ListViewItem
{
protected:
    QY2DiskUsageListItem( QY2DiskUsageList * parent );


    virtual ~QY2DiskUsageListItem();


public:

    virtual FSize usedSize() const = 0;

    virtual FSize totalSize() const = 0;

    virtual FSize freeSize() const;

    virtual int usedPercent() const;

    virtual QString name() const = 0;

    virtual QString deviceName() const { return ""; }


    virtual void updateStatus();

    virtual void updateData();

    void setText( int column, const QString & text )
    { QTreeWidgetItem::setText( column, text ); }

    void setText( int column, const FSize & size );

    virtual bool operator< ( const QTreeWidgetItem & other ) const;

    // Columns

    int nameCol()       const   { return _diskUsageList->nameCol();     }
    int percentageBarCol()  const   { return _diskUsageList->percentageBarCol();    }
    int usedSizeCol()       const   { return _diskUsageList->usedSizeCol();     }
    int freeSizeCol()       const   { return _diskUsageList->freeSizeCol();     }
    int totalSizeCol()      const   { return _diskUsageList->totalSizeCol();    }
    int deviceNameCol()     const   { return _diskUsageList->deviceNameCol();   }


protected:

    void init( bool allFields );

    public:
    void paintPercentageBar( QPainter *     painter,
                 QStyleOptionViewItem option,
                 const QColor & fillColor);

protected:


    //
    // Data members
    //

    QY2DiskUsageList * _diskUsageList;
};




#endif // ifndef QY2DiskUsageList_h