advancedfilter.cpp

LINUX 下, 以 QT/KDE 写的档案管理员

  belongsToGroupData = new QComboBox( false, ownershipGroup, "belongsToGroupData" );
  belongsToGroupData->setEnabled( false );
  belongsToGroupData->setEditable( false );
  hboxLayout->addWidget( belongsToGroupData );

  ownershipLayout->addMultiCellLayout( hboxLayout, 0, 0, 0, 3 );

  permissionsEnabled = new QCheckBox( ownershipGroup, "permissionsEnabled" );
  permissionsEnabled->setText( i18n( "P&ermissions" ) );
  ownershipLayout->addWidget( permissionsEnabled, 1, 0 );

  QGroupBox *ownerGroup = new QGroupBox( ownershipGroup, "ownerGroup" );
  ownerGroup->setTitle( i18n( "O&wner" ) );
  int width = 2*height + height / 2;

  ownerR = new QComboBox( false, ownerGroup, "ownerR" );
  ownerR->insertItem( i18n( "?" ) );
  ownerR->insertItem( i18n( "r" ) );
  ownerR->insertItem( i18n( "-" ) );
  ownerR->setEnabled( false );
  ownerR->setGeometry( QRect( 10, 20, width, height+6 ) );

  ownerW = new QComboBox( false, ownerGroup, "ownerW" );
  ownerW->insertItem( i18n( "?" ) );
  ownerW->insertItem( i18n( "w" ) );
  ownerW->insertItem( i18n( "-" ) );
  ownerW->setEnabled( false );
  ownerW->setGeometry( QRect( 10 + width, 20, width, height+6 ) );

  ownerX = new QComboBox( false, ownerGroup, "ownerX" );
  ownerX->insertItem( i18n( "?" ) );
  ownerX->insertItem( i18n( "x" ) );
  ownerX->insertItem( i18n( "-" ) );
  ownerX->setEnabled( false );
  ownerX->setGeometry( QRect( 10 + 2*width, 20, width, height+6 ) );

  ownershipLayout->addWidget( ownerGroup, 1, 1 );

  QGroupBox *groupGroup = new QGroupBox( ownershipGroup, "groupGroup" );
  groupGroup->setTitle( i18n( "Grou&p" ) );

  groupR = new QComboBox( false, groupGroup, "groupR" );
  groupR->insertItem( i18n( "?" ) );
  groupR->insertItem( i18n( "r" ) );
  groupR->insertItem( i18n( "-" ) );
  groupR->setEnabled( false );
  groupR->setGeometry( QRect( 10, 20, width, height+6 ) );

  groupW = new QComboBox( false, groupGroup, "groupW" );
  groupW->insertItem( i18n( "?" ) );
  groupW->insertItem( i18n( "w" ) );
  groupW->insertItem( i18n( "-" ) );
  groupW->setEnabled( false );
  groupW->setGeometry( QRect( 10 + width, 20, width, height+6 ) );

  groupX = new QComboBox( false, groupGroup, "groupX" );
  groupX->insertItem( i18n( "?" ) );
  groupX->insertItem( i18n( "x" ) );
  groupX->insertItem( i18n( "-" ) );
  groupX->setEnabled( false );
  groupX->setGeometry( QRect( 10 + 2*width, 20, width, height+6 ) );

  ownershipLayout->addWidget( groupGroup, 1, 2 );

  QGroupBox *allGroup = new QGroupBox( ownershipGroup, "allGroup" );
  allGroup->setTitle( i18n( "A&ll" ) );

  allR = new QComboBox( false, allGroup, "allR" );
  allR->insertItem( i18n( "?" ) );
  allR->insertItem( i18n( "r" ) );
  allR->insertItem( i18n( "-" ) );
  allR->setEnabled( false );
  allR->setGeometry( QRect( 10, 20, width, height+6 ) );

  allW = new QComboBox( false, allGroup, "allW" );
  allW->insertItem( i18n( "?" ) );
  allW->insertItem( i18n( "w" ) );
  allW->insertItem( i18n( "-" ) );
  allW->setEnabled( false );
  allW->setGeometry( QRect( 10 + width, 20, width, height+6 ) );

  allX = new QComboBox( false, allGroup, "allX" );
  allX->insertItem( i18n( "?" ) );
  allX->insertItem( i18n( "x" ) );
  allX->insertItem( i18n( "-" ) );
  allX->setEnabled( false );
  allX->setGeometry( QRect( 10 + 2*width, 20, width, height+6 ) );

  ownershipLayout->addWidget( allGroup, 1, 3 );

  QLabel *infoLabel = new QLabel( ownershipGroup, "TextLabel4" );
  QFont infoLabel_font( infoLabel->font() );
  infoLabel_font.setFamily( "adobe-helvetica" );
  infoLabel_font.setItalic( true );
  infoLabel->setFont( infoLabel_font );
  infoLabel->setText( i18n( "Note: a '?' is a wildcard" ) );

  ownershipLayout->addMultiCellWidget( infoLabel, 2, 2, 0, 3, Qt::AlignRight );

  filterLayout->addWidget( ownershipGroup, 2, 0 );

  // Connection table

  connect( biggerThanEnabled, SIGNAL( toggled(bool) ), biggerThanAmount, SLOT( setEnabled(bool) ) );
  connect( biggerThanEnabled, SIGNAL( toggled(bool) ), biggerThanType, SLOT( setEnabled(bool) ) );
  connect( smallerThanEnabled, SIGNAL( toggled(bool) ), smallerThanAmount, SLOT( setEnabled(bool) ) );
  connect( smallerThanEnabled, SIGNAL( toggled(bool) ), smallerThanType, SLOT( setEnabled(bool) ) );
  connect( modifiedBetweenEnabled, SIGNAL( toggled(bool) ), modifiedBetweenData1, SLOT( setEnabled(bool) ) );
  connect( modifiedBetweenEnabled, SIGNAL( toggled(bool) ), modifiedBetweenBtn1, SLOT( setEnabled(bool) ) );
  connect( modifiedBetweenEnabled, SIGNAL( toggled(bool) ), modifiedBetweenData2, SLOT( setEnabled(bool) ) );
  connect( modifiedBetweenEnabled, SIGNAL( toggled(bool) ), modifiedBetweenBtn2, SLOT( setEnabled(bool) ) );
  connect( notModifiedAfterEnabled, SIGNAL( toggled(bool) ), notModifiedAfterData, SLOT( setEnabled(bool) ) );
  connect( notModifiedAfterEnabled, SIGNAL( toggled(bool) ), notModifiedAfterBtn, SLOT( setEnabled(bool) ) );
  connect( modifiedInTheLastEnabled, SIGNAL( toggled(bool) ), modifiedInTheLastData, SLOT( setEnabled(bool) ) );
  connect( modifiedInTheLastEnabled, SIGNAL( toggled(bool) ), modifiedInTheLastType, SLOT( setEnabled(bool) ) );
  connect( modifiedInTheLastEnabled, SIGNAL( toggled(bool) ), notModifiedInTheLastData, SLOT( setEnabled(bool) ) );
  connect( modifiedInTheLastEnabled, SIGNAL( toggled(bool) ), notModifiedInTheLastType, SLOT( setEnabled(bool) ) );
  connect( belongsToUserEnabled, SIGNAL( toggled(bool) ), belongsToUserData, SLOT( setEnabled(bool) ) );
  connect( belongsToGroupEnabled, SIGNAL( toggled(bool) ), belongsToGroupData, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), ownerR, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), ownerW, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), ownerX, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), groupR, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), groupW, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), groupX, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), allR, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), allW, SLOT( setEnabled(bool) ) );
  connect( permissionsEnabled, SIGNAL( toggled(bool) ), allX, SLOT( setEnabled(bool) ) );
  connect( modifiedBetweenBtn1, SIGNAL( clicked() ), this, SLOT( modifiedBetweenSetDate1() ) );
  connect( modifiedBetweenBtn2, SIGNAL( clicked() ), this, SLOT( modifiedBetweenSetDate2() ) );
  connect( notModifiedAfterBtn, SIGNAL( clicked() ), this, SLOT( notModifiedAfterSetDate() ) );

  // fill the users and groups list

  fillList(belongsToUserData, USERSFILE);
  fillList(belongsToGroupData, GROUPSFILE);

  // tab order
  setTabOrder( biggerThanEnabled, biggerThanAmount );
  setTabOrder( biggerThanAmount, smallerThanEnabled );
  setTabOrder( smallerThanEnabled, smallerThanAmount );
  setTabOrder( smallerThanAmount, modifiedBetweenEnabled );
  setTabOrder( modifiedBetweenEnabled, modifiedBetweenData1 );
  setTabOrder( modifiedBetweenData1, modifiedBetweenData2 );
  setTabOrder( modifiedBetweenData2, notModifiedAfterEnabled );
  setTabOrder( notModifiedAfterEnabled, notModifiedAfterData );
  setTabOrder( notModifiedAfterData, modifiedInTheLastEnabled );
  setTabOrder( modifiedInTheLastEnabled, modifiedInTheLastData );
  setTabOrder( modifiedInTheLastData, notModifiedInTheLastData );
  setTabOrder( notModifiedInTheLastData, belongsToUserEnabled );
  setTabOrder( belongsToUserEnabled, belongsToUserData );
  setTabOrder( belongsToUserData, belongsToGroupEnabled );
  setTabOrder( belongsToGroupEnabled, belongsToGroupData );
  setTabOrder( belongsToGroupData, permissionsEnabled );
  setTabOrder( permissionsEnabled, ownerR );
  setTabOrder( ownerR, ownerW );
  setTabOrder( ownerW, ownerX );
  setTabOrder( ownerX, groupR );
  setTabOrder( groupR, groupW );
  setTabOrder( groupW, groupX );
  setTabOrder( groupX, allR );
  setTabOrder( allR, allW );
  setTabOrder( allW, allX );
  setTabOrder( allX, biggerThanType );
  setTabOrder( biggerThanType, smallerThanType );
  setTabOrder( smallerThanType, modifiedInTheLastType );
  setTabOrder( modifiedInTheLastType, notModifiedInTheLastType );
}

void AdvancedFilter::modifiedBetweenSetDate1()
{
  changeDate(modifiedBetweenData1);
}

void AdvancedFilter::modifiedBetweenSetDate2()
{
  changeDate(modifiedBetweenData2);
}

void AdvancedFilter::notModifiedAfterSetDate()
{
  changeDate(notModifiedAfterData);
}

void AdvancedFilter::changeDate(QLineEdit *p) {
  // check if the current date is valid
  QDate d = KGlobal::locale()->readDate(p->text());
  if (!d.isValid()) d = QDate::currentDate();

  KRGetDate *gd = new KRGetDate(d, this);
  d = gd->getDate();
  // if a user pressed ESC or closed the dialog, we'll return an invalid date
  if (d.isValid())
    p->setText(KGlobal::locale()->formatDate(d, true));
  delete gd;
}

// bool start: set it to true if this date is the beginning of the search,
// if it's the end, set it to false
void AdvancedFilter::qdate2time_t(time_t *dest, QDate d, bool start) {
  struct tm t;
  t.tm_sec   = (start ? 0 : 59);
  t.tm_min   = (start ? 0 : 59);
  t.tm_hour  = (start ? 0 : 23);
  t.tm_mday  = d.day();
  t.tm_mon   = d.month() - 1;
  t.tm_year  = d.year() - 1900;
  t.tm_wday  = d.dayOfWeek() - 1; // actually ignored by mktime
  t.tm_yday  = d.dayOfYear() - 1; // actually ignored by mktime
  t.tm_isdst = -1; // daylight saving time information isn't availble

  (*dest) = mktime( &t );
}


void AdvancedFilter::fillList(QComboBox *list, QString filename) {
  QFile data(filename);
  if (!data.open(IO_ReadOnly))
  {
    krOut << "Search: Unable to read " << filename << " !!!" << endl;
    return;
  }
  // and read it into the temporary array
  QTextStream t(&data);
  while (!data.atEnd())
  {
    QString s = t.readLine();
    QString name = s.left(s.find(':'));
    list->insertItem(name);
  }
}

void AdvancedFilter::invalidDateMessage(QLineEdit *p)
{
  // FIXME p->text() is empty sometimes (to reproduce, set date to "13.09.005")
  KMessageBox::detailedError(this, i18n("Invalid date entered."),
                             i18n("The date %1 is not valid according to your locale. Please re-enter a valid date (use the date button for easy access).").arg(p->text()) );
  p->setFocus();