diskusageviewer.cpp

LINUX 下, 以 QT/KDE 写的档案管理员

/***************************************************************************
                        diskusageviewer.cpp  -  description
                             -------------------
    copyright            : (C) 2005 by Csaba Karai
    e-mail               : [e-mail]
    web site             : http://krusader.sourceforge.net
 ---------------------------------------------------------------------------
  Description
 ***************************************************************************

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                                                     S o u r c e    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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "../krusader.h"
#include "../krusaderview.h"
#include "../Panel/listpanel.h"
#include "../Panel/panelfunc.h"
#include "diskusageviewer.h"

DiskUsageViewer::DiskUsageViewer( QWidget *parent, char *name ) 
  : QWidget( parent, name ), diskUsage( 0 ), statusLabel( 0 )
{
  layout = new QGridLayout( this, 1, 1 );
}

DiskUsageViewer::~ DiskUsageViewer()
{
  if( diskUsage )
  {
    krConfig->setGroup( "DiskUsageViewer" );  
    krConfig->writeEntry( "View", diskUsage->getActiveView() );
    delete diskUsage;
  }
}

void DiskUsageViewer::openURL( KURL url )
{
  if( diskUsage == 0 )
  {
    diskUsage = new DiskUsage( "DiskUsageViewer", this );
    
    connect( diskUsage, SIGNAL( enteringDirectory( Directory * ) ), this, SLOT( slotUpdateStatus() ) );
    connect( diskUsage, SIGNAL( status( QString ) ), this, SLOT( slotUpdateStatus( QString ) ) );
    connect( diskUsage, SIGNAL( newSearch() ), this, SLOT( slotNewSearch() ) );
    layout->addWidget( diskUsage, 0, 0 );
    this->show();
    diskUsage->show();
    
    krConfig->setGroup( "DiskUsageViewer" );  
    int view = krConfig->readNumEntry( "View",  VIEW_FILELIGHT );
    if( view < VIEW_LINES || view > VIEW_FILELIGHT )
      view = VIEW_FILELIGHT;    
    diskUsage->setView( view );   
  }

  url.setPath( url.path( -1 ) );
  
  KURL baseURL = diskUsage->getBaseURL();
  if( !diskUsage->isLoading() && !baseURL.isEmpty() )
  {
    if( url.protocol() == baseURL.protocol() && ( !url.hasHost() || url.host() == baseURL.host() ) )
    {
      QString baseStr = baseURL.path( 1 ), urlStr = url.path( 1 );
    
      if( urlStr.startsWith( baseStr ) )
      {
        QString relURL = urlStr.mid( baseStr.length() );
        if( relURL.endsWith( "/" ) )
          relURL.truncate( relURL.length() -1 );
      
        Directory *dir = diskUsage->getDirectory( relURL );      
        if( dir )
        {
          diskUsage->changeDirectory( dir );
          return;
        }
      }
    }
  }  
  diskUsage->load( url );
}

void DiskUsageViewer::closeURL()
{
  if( diskUsage )
    diskUsage->close();
}

void DiskUsageViewer::setStatusLabel( QLabel *statLabel, QString pref )
{
  statusLabel = statLabel;
  prefix = pref;
}

void DiskUsageViewer::slotUpdateStatus( QString status )
{
  if( statusLabel ) {
    if( status.isEmpty() ) {
      Directory * dir = diskUsage->getCurrentDir();
      if( dir )
        status = prefix + dir->name() + "  [" + KIO::convertSize( dir->size() ) + "]";
    }
    statusLabel->setText( status );
  }
}

void DiskUsageViewer::slotNewSearch()
{
  diskUsage->load( ACTIVE_PANEL->func->files()->vfs_getOrigin() );
}

#include "diskusageviewer.moc"