src/search/searchcriterionvalue.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Adam Kidder <thekidder@gmail.com>               *
   3  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "searchcriterionvalue.h"
  22
  23 #include <kdatewidget.h>
  24 #include <klineedit.h>
  25 #include <klocale.h>
  26
  27 #include <nepomuk/kratingwidget.h>
  28 #include <nepomuk/tag.h>
  29
  30 #include <QComboBox>
  31 #include <QDate>
  32 #include <QIntValidator>
  33 #include <QLabel>
  34 #include <QHBoxLayout>
  35 #include <QShowEvent>
  36
  37 SearchCriterionValue::SearchCriterionValue(QWidget* parent) :
  38     QWidget(parent)
  39 {
  40 }
  41
  42 SearchCriterionValue::~SearchCriterionValue()
  43 {
  44 }
  45
  46 void SearchCriterionValue::initializeValue(const QString& valueType)
  47 {
  48     Q_UNUSED(valueType);
  49 }
  50
  51 // -------------------------------------------------------------------------
  52
  53 DateValue::DateValue(QWidget* parent) :
  54     SearchCriterionValue(parent),
  55     m_dateWidget(0)
  56 {
  57     m_dateWidget = new KDateWidget(QDate::currentDate(), this);
  58
  59     QHBoxLayout* layout = new QHBoxLayout(this);
  60     layout->setMargin(0);
  61     layout->addWidget(m_dateWidget);
  62 }
  63
  64 DateValue::~DateValue()
  65 {
  66 }
  67
  68 Nepomuk::Query::LiteralTerm DateValue::value() const
  69 {
  70     const QDateTime dateTime(m_dateWidget->date());
  71     return Nepomuk::Query::LiteralTerm(dateTime);
  72 }
  73
  74 void DateValue::initializeValue(const QString& valueType)
  75 {
  76     QDate date;
  77     if (valueType.isEmpty() || (valueType == "today")) {
  78         date = QDate::currentDate();
  79     } else if (valueType == "thisWeek") {
  80         const QDate today = QDate::currentDate();
  81         const int dayOfWeek = today.dayOfWeek();
  82         date = today.addDays(-dayOfWeek);
  83     } else if (valueType == "thisMonth") {
  84         const QDate today = QDate::currentDate();
  85         date = QDate(today.year(), today.month(), 1);
  86     } else if (valueType == "thisYear") {
  87         date = QDate(QDate::currentDate().year(), 1, 1);
  88     } else {
  89         // unknown value-type
  90         Q_ASSERT(false);
  91     }
  92     m_dateWidget->setDate(date);
  93 }
  94
  95 // -------------------------------------------------------------------------
  96
  97 TagValue::TagValue(QWidget* parent) :
  98     SearchCriterionValue(parent),
  99     m_tags(0)
 100 {
 101     m_tags = new QComboBox(this);
 102     m_tags->setInsertPolicy(QComboBox::InsertAlphabetically);
 103
 104     QHBoxLayout* layout = new QHBoxLayout(this);
 105     layout->setMargin(0);
 106     layout->addWidget(m_tags);
 107
 108     connect(m_tags, SIGNAL(activated(QString)),
 109             this, SIGNAL(valueChanged(QString)));
 110 }
 111
 112 TagValue::~TagValue()
 113 {
 114 }
 115
 116 Nepomuk::Query::LiteralTerm TagValue::value() const
 117 {
 118     return Nepomuk::Query::LiteralTerm(m_tags->currentText());
 119 }
 120
 121 void TagValue::showEvent(QShowEvent* event)
 122 {
 123     if (!event->spontaneous() && (m_tags->count() == 0)) {
 124         const QList<Nepomuk::Tag> tags = Nepomuk::Tag::allTags();
 125         foreach (const Nepomuk::Tag& tag, tags) {
 126             m_tags->addItem(tag.label());
 127         }
 128
 129         if (tags.count() == 0) {
 130             m_tags->addItem(i18nc("@label", "No Tags Available"));
 131         }
 132     }
 133     SearchCriterionValue::showEvent(event);
 134 }
 135
 136 // -------------------------------------------------------------------------
 137
 138 SizeValue::SizeValue(QWidget* parent) :
 139     SearchCriterionValue(parent),
 140     m_lineEdit(0),
 141     m_units(0)
 142 {
 143     m_lineEdit = new KLineEdit(this);
 144     m_lineEdit->setClearButtonShown(true);
 145     m_lineEdit->setValidator(new QIntValidator(this));
 146     m_lineEdit->setAlignment(Qt::AlignRight);
 147
 148     m_units = new QComboBox(this);
 149     // TODO: check the KByte vs. KiByte dilemma :-/
 150     m_units->addItem(i18nc("@label", "Byte"));
 151     m_units->addItem(i18nc("@label", "KByte"));
 152     m_units->addItem(i18nc("@label", "MByte"));
 153     m_units->addItem(i18nc("@label", "GByte"));
 154
 155     // set 1 MByte as default
 156     m_lineEdit->setText("1");
 157     m_units->setCurrentIndex(2);
 158
 159     QHBoxLayout* layout = new QHBoxLayout(this);
 160     layout->setMargin(0);
 161     layout->addWidget(m_lineEdit);
 162     layout->addWidget(m_units);
 163 }
 164
 165 SizeValue::~SizeValue()
 166 {
 167 }
 168
 169 Nepomuk::Query::LiteralTerm SizeValue::value() const
 170 {
 171     return Nepomuk::Query::LiteralTerm(); // TODO
 172 }
 173
 174 // -------------------------------------------------------------------------
 175
 176 RatingValue::RatingValue(QWidget* parent) :
 177     SearchCriterionValue(parent),
 178     m_ratingWidget(0)
 179 {
 180     m_ratingWidget = new KRatingWidget(this);
 181
 182     QHBoxLayout* layout = new QHBoxLayout(this);
 183     layout->setMargin(0);
 184     layout->addWidget(m_ratingWidget);
 185 }
 186
 187 RatingValue::~RatingValue()
 188 {
 189 }
 190
 191 Nepomuk::Query::LiteralTerm RatingValue::value() const
 192 {
 193     return Nepomuk::Query::LiteralTerm(m_ratingWidget->rating());
 194 }
 195
 196 #include "searchcriterionvalue.moc"