packguibase.cpp

LINUX 下, 以 QT/KDE 写的档案管理员

    consistencyHbox->addWidget( passwordConsistencyLabel );
    passwordGrid->addMultiCellLayout ( consistencyHbox, 2, 2, 0, 1 );

    encryptHeaders = new QCheckBox( i18n( "Encrypt headers" ), advancedWidget, "encryptHeaders" );
    passwordGrid->addMultiCellWidget ( encryptHeaders, 3, 3, 0, 1 );

    QSpacerItem* spacer_psw = new QSpacerItem( 20, 20, QSizePolicy::Fixed, QSizePolicy::Expanding );
    passwordGrid->addItem( spacer_psw, 4, 0 );

    hbox_5->addLayout( passwordGrid, 0, 2 );

    hbox_7 = new QHBoxLayout;
    hbox_7->setSpacing( 6 );
    hbox_7->setMargin( 0 );

    TextLabel8 = new QLabel( i18n( "Command line switches:" ), advancedWidget, "TextLabel8" );
    TextLabel8->setSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed );
    hbox_7->addWidget( TextLabel8 );

    commandLineSwitches = new KHistoryCombo( advancedWidget, "commandLineSwitches" );
    commandLineSwitches->setMaxCount(25);  // remember 25 items
    commandLineSwitches->setDuplicatesEnabled(false);
    krConfig->setGroup("Archives");
    QStringList list = krConfig->readListEntry("Command Line Switches");
    commandLineSwitches->setHistoryItems(list);

    hbox_7->addWidget( commandLineSwitches );
    
    hbox_5->addMultiCellLayout( hbox_7, 1, 1, 0, 2 );


    advancedWidget->hide();
    checkConsistency();

    grid->addWidget( advancedWidget, 4, 0 );
    
    hbox_6 = new QHBoxLayout;
    hbox_6->setSpacing( 6 );
    hbox_6->setMargin( 0 );

    advancedButton = new QPushButton( this, "advancedButton" );
    advancedButton->setText( i18n( "&Advanced" ) + " >>" );
    hbox_6->addWidget( advancedButton );

    QSpacerItem* spacer_2 = new QSpacerItem( 140, 20, QSizePolicy::Expanding, QSizePolicy::Fixed );
    hbox_6->addItem( spacer_2 );

    okButton = new QPushButton( this, "okButton" );
    okButton->setText( i18n( "Ok"  ) );
    okButton->setDefault( true );
    hbox_6->addWidget( okButton );

    cancelButton = new QPushButton( this, "cancelButton" );
    cancelButton->setText( i18n( "Cancel"  ) );
    hbox_6->addWidget( cancelButton );

    grid->addLayout( hbox_6, 6, 0 );

    // signals and slots connections
    connect( okButton, SIGNAL( clicked() ), this, SLOT( accept() ) );
    connect( advancedButton, SIGNAL( clicked() ), this, SLOT( expand() ) );
    connect( cancelButton, SIGNAL( clicked() ), this, SLOT( reject() ) );
    connect( browseButton, SIGNAL( clicked() ), this, SLOT( browse() ) );
}

/*  
 *  Destroys the object and frees any allocated resources
 */
PackGUIBase::~PackGUIBase()
{
    // no need to delete child widgets, Qt does it all for us
}

void PackGUIBase::browse()
{
    qWarning( "PackGUIBase::browse(): Not implemented yet!" );
}

void PackGUIBase::expand() {
    expanded = !expanded;
    
    advancedButton->setText( i18n( "&Advanced" ) + ( expanded ?  " <<" : " >>" ) );

    if( expanded )
      advancedWidget->show();
    else {
      advancedWidget->hide();
      layout()->activate();
      QSize minSize = minimumSize();
      resize( width(), minSize.height() );
    }
    show();
}

void PackGUIBase::checkConsistency() {
    if( password->text().isEmpty() && passwordAgain->text().isEmpty()) {
      passwordConsistencyLabel->setPaletteForegroundColor( KGlobalSettings::textColor() );
      passwordConsistencyLabel->setText( i18n( "No password specified" ) );
    }
    else
    if( password->text() == passwordAgain->text() ) {
      passwordConsistencyLabel->setPaletteForegroundColor( KGlobalSettings::textColor() );
      passwordConsistencyLabel->setText( i18n( "The passwords are equal" ) );
    }
    else {
      passwordConsistencyLabel->setPaletteForegroundColor( Qt::red );
      passwordConsistencyLabel->setText( i18n( "The passwords are different" ) );
    }

    QString packer = typeData->currentText();

    bool passworded = false;
    if( packer == "7z" || packer == "rar" || packer == "zip" || packer == "arj" )
      passworded = true;

    passwordConsistencyLabel->setEnabled( passworded );
    password->setEnabled( passworded );
    passwordAgain->setEnabled( passworded );
    TextLabel4->setEnabled( passworded );
    TextLabel6->setEnabled( passworded );

    encryptHeaders->setEnabled( packer == "rar" );

    multipleVolume->setEnabled( packer == "rar" || packer == "arj" );
    bool volumeEnabled = multipleVolume->isEnabled() && multipleVolume->isChecked();
    volumeSpinBox->setEnabled( volumeEnabled );
    volumeUnitCombo->setEnabled( volumeEnabled );
    TextLabel7->setEnabled( volumeEnabled );

    /* TODO */
    setCompressionLevel->setEnabled( packer == "rar" || packer == "arj" || packer == "zip" ||
                                     packer == "7z" );
    bool sliderEnabled = setCompressionLevel->isEnabled() && setCompressionLevel->isChecked();
    compressionSlider->setEnabled( sliderEnabled );
    minLabel->setEnabled( sliderEnabled );
    maxLabel->setEnabled( sliderEnabled );
}

bool PackGUIBase::extraProperties( QMap<QString,QString> & inMap ) {
    inMap.clear();

    if( password->isEnabled() && passwordAgain->isEnabled() ) {
      if( password->text() != passwordAgain->text() ) {
        KMessageBox::error( this, i18n( "Cannot pack! The passwords are different!" ) );
        return false;
      }

      if( !password->text().isEmpty() ) {
        inMap[ "Password" ] = password->text();

        if( encryptHeaders->isEnabled() && encryptHeaders->isChecked() )
          inMap[ "EncryptHeaders" ] = "1";
      }
    }

    if( multipleVolume->isEnabled() && multipleVolume->isChecked() ) {
      KIO::filesize_t size = volumeSpinBox->value();

      switch( volumeUnitCombo->currentItem() ) {
      case 2:
        size *= 1000;
      case 1:
        size *= 1000;
      default:
        break;
      }

      if( size < 10000 ) {
        KMessageBox::error( this, i18n( "Invalid volume size!" ) );
        return false;
      }

      QString sbuffer;
      sbuffer.sprintf("%llu",size);

      inMap[ "VolumeSize" ] = sbuffer;
    }

    if( setCompressionLevel->isEnabled() && setCompressionLevel->isChecked() ) {
      inMap[ "CompressionLevel" ] = QString("%1").arg( compressionSlider->value() );
    }

    QString cmdArgs = commandLineSwitches->currentText().stripWhiteSpace();
    if( !cmdArgs.isEmpty() ) {
      bool firstChar = true;
      QChar quote = '\0';
      
      for( unsigned i=0; i < cmdArgs.length(); i++ ) {
         QChar ch( cmdArgs[ i ] );
         if( ch.isSpace() )
           continue;

         if( ch == quote ) {
           quote = '\0';
           continue;
         }
         
         if( firstChar && ch != '-' ) {
           KMessageBox::error( this, i18n( "Invalid command line switch!\nSwitch must start with '-'!" ) );
           return false;
         }
         
         firstChar = false;

         if( quote == '"' )
           continue;
         if( quote == '\0' && ( ch == '\'' || ch == '"' ) )
           quote = ch;
         if( ch == '\\' ) {
           if( i == cmdArgs.length() - 1 ) {
             KMessageBox::error( this, i18n( "Invalid command line switch!\nBackslash cannot be the last character" ) );
             return false;
           }
           i++;
         }
      }

      if( quote != '\0' ) {
             KMessageBox::error( this, i18n( "Invalid command line switch!\nUnclosed quotation mark!" ) );
             return false;
      }

      commandLineSwitches->addToHistory( cmdArgs );
      QStringList list = commandLineSwitches->historyItems();
      krConfig->setGroup("Archives");
      krConfig->writeEntry("Command Line Switches", list);

      inMap[ "CommandLineSwitches" ] = cmdArgs;      
    }
    return true;
}

#include "packguibase.moc"