dulistview.h

LINUX 下, 以 QT/KDE 写的档案管理员

/***************************************************************************
                          dulistview.h  -  description
                             -------------------
    copyright            : (C) 2004 by Csaba Karai
    e-mail               : [e-mail]
    web site             : http://krusader.sourceforge.net
 ---------------------------------------------------------------------------
  Description
 ***************************************************************************

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                                                     H e a d e r    F i l e

 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef __DU_LISTVIEW_H__
#define __DU_LISTVIEW_H__

#include <qlistview.h>
#include "diskusage.h"

class DUListViewItem : public QListViewItem
{
public:
  DUListViewItem( DiskUsage *diskUsageIn, File *fileIn, QListView * parent, QString label1, 
                  QString label2, QString label3, QString label4, QString label5, QString label6, 
                  QString label7, QString label8, QString label9 ) 
                  : QListViewItem( parent, label1, label2, label3, label4, label5, label6, label7, label8), 
                  diskUsage( diskUsageIn ), file( fileIn ) 
                  {
                    setText( 8, label9 );
                    diskUsage->addProperty( file, "ListView-Ref", this );
                  }
  DUListViewItem( DiskUsage *diskUsageIn, File *fileIn, QListViewItem * parent, QString label1, 
                  QString label2, QString label3, QString label4, QString label5, QString label6, 
                  QString label7, QString label8, QString label9 ) 
                  : QListViewItem( parent, label1, label2, label3, label4, label5, label6, label7, label8), 
                  diskUsage( diskUsageIn ), file( fileIn ) 
                  {
                    setText( 8, label9 );
                    diskUsage->addProperty( file, "ListView-Ref", this );
                  }
  DUListViewItem( DiskUsage *diskUsageIn, File *fileIn, QListView * parent, QListViewItem * after, 
                  QString label1, QString label2, QString label3, QString label4, QString label5, 
                  QString label6, QString label7, QString label8, QString label9 )   
                  : QListViewItem( parent, after, label1, label2, label3, label4, label5, label6, label7, label8), 
                  diskUsage( diskUsageIn ), file( fileIn ) 
                  {
                    setText( 8, label9 );
                    diskUsage->addProperty( file, "ListView-Ref", this );
                  }
  DUListViewItem( DiskUsage *diskUsageIn, File *fileIn, QListViewItem * parent, QListViewItem * after, 
                  QString label1, QString label2, QString label3, QString label4, QString label5, 
                  QString label6, QString label7, QString label8, QString label9 )   
                  : QListViewItem( parent, after, label1, label2, label3, label4, label5, label6, label7, label8), 
                  diskUsage( diskUsageIn ), file( fileIn ) 
                  {
                    setText( 8, label9 );
                    diskUsage->addProperty( file, "ListView-Ref", this );
                  }
  ~DUListViewItem()
                  {
                    diskUsage->removeProperty( file, "ListView-Ref" );
                  }
  
  virtual int compare ( QListViewItem * i, int col, bool ascending ) const 
  {
    if( text(0) == ".." ) return ascending ? -1 : 1;
    if( i->text(0) == "..") return ascending ? 1 : -1;
    
    DUListViewItem *compWith = dynamic_cast< DUListViewItem * >( i );
        
    QString buf1,buf2;
    
    switch( col )
    {
    case 1:    
    case 2:
      buf1.sprintf("%025llu",file->size());
      buf2.sprintf("%025llu",compWith->file->size());
      return -QString::compare( buf1, buf2 );
    case 3:
      buf1.sprintf("%025llu",file->ownSize());
      buf2.sprintf("%025llu",compWith->file->ownSize());
      return -QString::compare( buf1, buf2 );
    case 5:
      return QListViewItem::compare( i, col, !ascending );
    default:    
      return QListViewItem::compare( i, col, ascending );
    }
  }
  
  inline File * getFile() { return file; }
  
private:
  DiskUsage *diskUsage;
  File *file;                  
};

class DUListView : public QListView
{
  Q_OBJECT
  
public:
  DUListView( DiskUsage *usage, const char *name );
  ~DUListView();

  File * getCurrentFile();
      
public slots:
  void slotDirChanged( Directory * );
  void slotChanged( File * );
  void slotDeleted( File * );
  void slotRightClicked(QListViewItem *);
  void slotExpanded( QListViewItem * );
    
protected:
  DiskUsage *diskUsage;
  
  virtual void contentsMouseDoubleClickEvent ( QMouseEvent * e );
  virtual void keyPressEvent( QKeyEvent *e );
    
private:
  void addDirectory( Directory *dirEntry, QListViewItem *parent );
  bool doubleClicked( QListViewItem * item );
};

#endif /* __DU_LISTVIEW_H__ */