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     return Nepomuk::Query::LiteralTerm(m_dateWidget->date());
  71 }
  72
  73 void DateValue::initializeValue(const QString& valueType)
  74 {
  75     QDate date;
  76     if (valueType.isEmpty() || (valueType == "today")) {
  77         date = QDate::currentDate();
  78     } else if (valueType == "thisWeek") {
  79         const QDate today = QDate::currentDate();
  80         const int dayOfWeek = today.dayOfWeek();
  81         date = today.addDays(-dayOfWeek);
  82     } else if (valueType == "thisMonth") {
  83         const QDate today = QDate::currentDate();
  84         date = QDate(today.year(), today.month(), 1);
  85     } else if (valueType == "thisYear") {
  86         date = QDate(QDate::currentDate().year(), 1, 1);
  87     } else {
  88         // unknown value-type
  89         Q_ASSERT(false);
  90     }
  91     m_dateWidget->setDate(date);
  92 }
  93
  94 // -------------------------------------------------------------------------
  95
  96 TagValue::TagValue(QWidget* parent) :
  97     SearchCriterionValue(parent),
  98     m_tags(0)
  99 {
 100     m_tags = new QComboBox(this);
 101     m_tags->setInsertPolicy(QComboBox::InsertAlphabetically);
 102
 103     QHBoxLayout* layout = new QHBoxLayout(this);
 104     layout->setMargin(0);
 105     layout->addWidget(m_tags);
 106
 107     connect(m_tags, SIGNAL(activated(QString)),
 108             this, SIGNAL(valueChanged(QString)));
 109 }
 110
 111 TagValue::~TagValue()
 112 {
 113 }
 114
 115 Nepomuk::Query::LiteralTerm TagValue::value() const
 116 {
 117     return Nepomuk::Query::LiteralTerm(m_tags->currentText());
 118 }
 119
 120 void TagValue::showEvent(QShowEvent* event)
 121 {
 122     if (!event->spontaneous() && (m_tags->count() == 0)) {
 123         const QList<Nepomuk::Tag> tags = Nepomuk::Tag::allTags();
 124         foreach (const Nepomuk::Tag& tag, tags) {
 125             m_tags->addItem(tag.label());
 126         }
 127
 128         if (tags.count() == 0) {
 129             m_tags->addItem(i18nc("@label", "No Tags Available"));
 130         }
 131     }
 132     SearchCriterionValue::showEvent(event);
 133 }
 134
 135 // -------------------------------------------------------------------------
 136
 137 SizeValue::SizeValue(QWidget* parent) :
 138     SearchCriterionValue(parent),
 139     m_lineEdit(0),
 140     m_units(0)
 141 {
 142     m_lineEdit = new KLineEdit(this);
 143     m_lineEdit->setClearButtonShown(true);
 144     m_lineEdit->setValidator(new QIntValidator(this));
 145     m_lineEdit->setAlignment(Qt::AlignRight);
 146
 147     m_units = new QComboBox(this);
 148     // TODO: check the KByte vs. KiByte dilemma :-/
 149     m_units->addItem(i18nc("@label", "Byte"));
 150     m_units->addItem(i18nc("@label", "KByte"));
 151     m_units->addItem(i18nc("@label", "MByte"));
 152     m_units->addItem(i18nc("@label", "GByte"));
 153
 154     // set 1 MByte as default
 155     m_lineEdit->setText("1");
 156     m_units->setCurrentIndex(2);
 157
 158     QHBoxLayout* layout = new QHBoxLayout(this);
 159     layout->setMargin(0);
 160     layout->addWidget(m_lineEdit);
 161     layout->addWidget(m_units);
 162 }
 163
 164 SizeValue::~SizeValue()
 165 {
 166 }
 167
 168 Nepomuk::Query::LiteralTerm SizeValue::value() const
 169 {
 170     return Nepomuk::Query::LiteralTerm(); // TODO
 171 }
 172
 173 // -------------------------------------------------------------------------
 174
 175 RatingValue::RatingValue(QWidget* parent) :
 176     SearchCriterionValue(parent),
 177     m_ratingWidget(0)
 178 {
 179     m_ratingWidget = new KRatingWidget(this);
 180
 181     QHBoxLayout* layout = new QHBoxLayout(this);
 182     layout->setMargin(0);
 183     layout->addWidget(m_ratingWidget);
 184 }
 185
 186 RatingValue::~RatingValue()
 187 {
 188 }
 189
 190 Nepomuk::Query::LiteralTerm RatingValue::value() const
 191 {
 192     return Nepomuk::Query::LiteralTerm(m_ratingWidget->rating());
 193 }
 194
 195 #include "searchcriterionvalue.moc"