src/search/filters/datesearchfilterwidget.cpp

   1 /***************************************************************************
   2 *    Copyright (C) 2010 by Peter Penz <peter.penz19@gmail.com>            *
   3 *                                                                         *
   4 *    This program is free software; you can redistribute it and/or modify *
   5 *    it under the terms of the GNU General Public License as published by *
   6 *    the Free Software Foundation; either version 2 of the License, or    *
   7 *    (at your option) any later version.                                  *
   8 *                                                                         *
   9 *    This program is distributed in the hope that it will be useful,      *
  10 *    but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  11 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  12 *    GNU General Public License for more details.                         *
  13 *                                                                         *
  14 *    You should have received a copy of the GNU General Public License    *
  15 *    along with this program; if not, write to the                        *
  16 *    Free Software Foundation, Inc.,                                      *
  17 *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA           *
  18 * **************************************************************************/
  19
  20 #include "datesearchfilterwidget.h"
  21
  22 #include <klocale.h>
  23 #include <nepomuk/comparisonterm.h>
  24 #include <nepomuk/literalterm.h>
  25 #include <nepomuk/orterm.h>
  26 #include <nepomuk/property.h>
  27 #include <nepomuk/query.h>
  28 #include "nie.h"
  29 #include <QDate>
  30 #include <QDateTime>
  31 #include <QLabel>
  32 #include <QPushButton>
  33 #include <QHBoxLayout>
  34
  35 DateSearchFilterWidget::DateSearchFilterWidget(QWidget* parent) :
  36     AbstractSearchFilterWidget(parent),
  37     m_dateButtons()
  38 {
  39     QHBoxLayout* layout = new QHBoxLayout(this);
  40     layout->setSpacing(0);
  41
  42     for (int i = Today; i <= ThisYear; ++i) {
  43         QPushButton* button = createButton();
  44         switch (i) {
  45         case Today:     button->setText(i18nc("@action:button", "Today")); break;
  46         case Yesterday: button->setText(i18nc("@action:button", "Yesterday")); break;
  47         case ThisWeek:  button->setText(i18nc("@action:button", "This Week")); break;
  48         case ThisMonth: button->setText(i18nc("@action:button", "This Month")); break;
  49         case ThisYear:  button->setText(i18nc("@action:button", "This Year")); break;
  50         default: Q_ASSERT(false);
  51         }
  52
  53         layout->addWidget(button);
  54         m_dateButtons.append(button);
  55     }
  56     layout->addStretch(1);
  57 }
  58
  59 DateSearchFilterWidget::~DateSearchFilterWidget()
  60 {
  61 }
  62
  63
  64 QString DateSearchFilterWidget::filterLabel() const
  65 {
  66     return i18nc("@title:group", "Date");
  67 }
  68
  69 Nepomuk::Query::Term DateSearchFilterWidget::queryTerm() const
  70 {
  71     Nepomuk::Query::OrTerm orTerm;
  72
  73     int index = 0;
  74     foreach (const QPushButton* button, m_dateButtons) {
  75         if (button->isChecked()) {
  76             QDate today = QDate::currentDate();
  77             QDate date;
  78             switch (index) {
  79             case Today:
  80                 // Current date is already set
  81                 break;
  82             case Yesterday:
  83                 date.addDays(-1);
  84                 break;
  85             case ThisWeek:
  86                 date.addDays(-today.dayOfWeek());
  87                 break;
  88             case ThisMonth:
  89                 date = QDate(today.year(), today.month(), 1);
  90                 break;
  91             case ThisYear:
  92                 date = QDate(today.year(), 1, 1);
  93                 break;
  94             default:
  95                 Q_ASSERT(false);
  96             }
  97
  98             const QDateTime dateTime(date);
  99             const Nepomuk::Query::LiteralTerm term(dateTime);
 100             const Nepomuk::Query::ComparisonTerm compTerm(Nepomuk::Vocabulary::NIE::lastModified(),
 101                                                           term,
 102                                                           Nepomuk::Query::ComparisonTerm::GreaterOrEqual);
 103             orTerm.addSubTerm(compTerm);
 104         }
 105         ++index;
 106     }
 107
 108     return orTerm;
 109 }
 110
 111 #include "datesearchfilterwidget.moc"