src/search/dolphinfacetswidget.cpp

   1 /***************************************************************************
   2 *    Copyright (C) 2012 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 "dolphinfacetswidget.h"
  21
  22 #include <KLocale>
  23 #include <QButtonGroup>
  24 #include <QCheckBox>
  25 #include <QDate>
  26 #include <QRadioButton>
  27 #include <QHBoxLayout>
  28 #include <QVBoxLayout>
  29
  30 DolphinFacetsWidget::DolphinFacetsWidget(QWidget* parent) :
  31     QWidget(parent),
  32     m_documents(0),
  33     m_images(0),
  34     m_audio(0),
  35     m_videos(0),
  36     m_anytime(0),
  37     m_today(0),
  38     m_yesterday(0),
  39     m_thisWeek(0),
  40     m_thisMonth(0),
  41     m_thisYear(0),
  42     m_anyRating(0),
  43     m_oneOrMore(0),
  44     m_twoOrMore(0),
  45     m_threeOrMore(0),
  46     m_fourOrMore(0),
  47     m_maxRating(0)
  48 {
  49     QButtonGroup* filetypeGroup = new QButtonGroup(this);
  50     m_anyType   = createRadioButton(i18nc("@option:check", "Any"), filetypeGroup);
  51     m_documents = createRadioButton(i18nc("@option:check", "Documents"), filetypeGroup);
  52     m_images    = createRadioButton(i18nc("@option:check", "Images"), filetypeGroup);
  53     m_audio     = createRadioButton(i18nc("@option:check", "Audio Files"), filetypeGroup);
  54     m_videos    = createRadioButton(i18nc("@option:check", "Videos"), filetypeGroup);
  55
  56     QVBoxLayout* typeLayout = new QVBoxLayout();
  57     typeLayout->setSpacing(0);
  58     typeLayout->addWidget(m_anyType);
  59     typeLayout->addWidget(m_documents);
  60     typeLayout->addWidget(m_images);
  61     typeLayout->addWidget(m_audio);
  62     typeLayout->addWidget(m_videos);
  63     typeLayout->addStretch();
  64
  65     QButtonGroup* timespanGroup = new QButtonGroup(this);
  66     m_anytime   = createRadioButton(i18nc("@option:option", "Anytime"), timespanGroup);
  67     m_today     = createRadioButton(i18nc("@option:option", "Today"), timespanGroup);
  68     m_yesterday = createRadioButton(i18nc("@option:option", "Yesterday"), timespanGroup);
  69     m_thisWeek  = createRadioButton(i18nc("@option:option", "This Week"), timespanGroup);
  70     m_thisMonth = createRadioButton(i18nc("@option:option", "This Month"), timespanGroup);
  71     m_thisYear  = createRadioButton(i18nc("@option:option", "This Year"), timespanGroup);
  72
  73     QVBoxLayout* timespanLayout = new QVBoxLayout();
  74     timespanLayout->setSpacing(0);
  75     timespanLayout->addWidget(m_anytime);
  76     timespanLayout->addWidget(m_today);
  77     timespanLayout->addWidget(m_yesterday);
  78     timespanLayout->addWidget(m_thisWeek);
  79     timespanLayout->addWidget(m_thisMonth);
  80     timespanLayout->addWidget(m_thisYear);
  81     timespanLayout->addStretch();
  82
  83     QButtonGroup* ratingGroup = new QButtonGroup(this);
  84     m_anyRating   = createRadioButton(i18nc("@option:option", "Any Rating"), ratingGroup);
  85     m_oneOrMore   = createRadioButton(i18nc("@option:option", "1 or more"), ratingGroup);
  86     m_twoOrMore   = createRadioButton(i18nc("@option:option", "2 or more"), ratingGroup);
  87     m_threeOrMore = createRadioButton(i18nc("@option:option", "3 or more"), ratingGroup);
  88     m_fourOrMore  = createRadioButton(i18nc("@option:option", "4 or more"), ratingGroup);
  89     m_maxRating   = createRadioButton(i18nc("@option:option", "Highest Rating"), ratingGroup);
  90
  91     QVBoxLayout* ratingLayout = new QVBoxLayout();
  92     ratingLayout->setSpacing(0);
  93     ratingLayout->addWidget(m_anyRating);
  94     ratingLayout->addWidget(m_oneOrMore);
  95     ratingLayout->addWidget(m_twoOrMore);
  96     ratingLayout->addWidget(m_threeOrMore);
  97     ratingLayout->addWidget(m_fourOrMore);
  98     ratingLayout->addWidget(m_maxRating);
  99
 100     QHBoxLayout* topLayout = new QHBoxLayout(this);
 101     topLayout->addLayout(typeLayout);
 102     topLayout->addLayout(timespanLayout);
 103     topLayout->addLayout(ratingLayout);
 104     topLayout->addStretch();
 105
 106     m_anyType->setChecked(true);
 107     m_anytime->setChecked(true);
 108     m_anyRating->setChecked(true);
 109 }
 110
 111 DolphinFacetsWidget::~DolphinFacetsWidget()
 112 {
 113 }
 114
 115 #ifdef HAVE_BALOO
 116 Baloo::Term DolphinFacetsWidget::ratingTerm() const
 117 {
 118     Baloo::Term ratingTerm;
 119     Baloo::Term modifiedTerm;
 120
 121     if (!m_anyRating->isChecked()) {
 122         int stars = 1; // represents m_oneOrMore
 123         if (m_twoOrMore->isChecked()) {
 124             stars = 2;
 125         } else if (m_threeOrMore->isChecked()) {
 126             stars = 3;
 127         } else if (m_fourOrMore->isChecked()) {
 128             stars = 4;
 129         } else if (m_maxRating->isChecked()) {
 130             stars = 5;
 131         }
 132
 133         const int rating = stars * 2;
 134         ratingTerm = Baloo::Term("rating", rating, Baloo::Term::GreaterEqual);
 135     }
 136
 137     if (!m_anytime->isChecked()) {
 138         QDate date = QDate::currentDate(); // represents m_today
 139         if (m_yesterday->isChecked()) {
 140             date = date.addDays(-1);
 141         } else if (m_thisWeek->isChecked()) {
 142             date = date.addDays(1 - date.dayOfWeek());
 143         } else if (m_thisMonth->isChecked()) {
 144             date = date.addDays(1 - date.day());
 145         } else if (m_thisYear->isChecked()) {
 146             date = date.addDays(1 - date.dayOfYear());
 147         }
 148
 149         modifiedTerm = Baloo::Term("modified", date, Baloo::Term::GreaterEqual);
 150     }
 151
 152     if (ratingTerm.isValid() && modifiedTerm.isValid()) {
 153         Baloo::Term term(Baloo::Term::And);
 154         term.addSubTerm(ratingTerm);
 155         term.addSubTerm(modifiedTerm);
 156
 157         return term;
 158     } else if (modifiedTerm.isValid()) {
 159         return modifiedTerm;
 160     } else if (ratingTerm.isValid()) {
 161         return ratingTerm;
 162     }
 163
 164     return Baloo::Term();
 165 }
 166
 167 QString DolphinFacetsWidget::facetType() const
 168 {
 169     if (m_documents->isChecked()) {
 170         return QLatin1String("Document");
 171     } else if (m_images->isChecked()) {
 172         return QLatin1String("Image");
 173     } else if (m_audio->isChecked()) {
 174         return QLatin1String("Audio");
 175     } else if (m_videos->isChecked()) {
 176         return QLatin1String("Video");
 177     }
 178
 179     return QString();
 180 }
 181
 182 bool DolphinFacetsWidget::isRatingTerm(const Baloo::Term& term) const
 183 {
 184     const QList<Baloo::Term> subTerms = term.subTerms();
 185     if (subTerms.isEmpty()) {
 186         // If term has no sub terms, then the term itself is either a "rating" term
 187         // or a "modified" term.
 188         return term.property() == QLatin1String("modified") ||
 189                term.property() == QLatin1String("rating");
 190
 191     } else if (subTerms.size() == 2) {
 192         // If term has sub terms, then the sub terms are always "rating" and "modified" terms.
 193
 194         QStringList properties;
 195         foreach (const Baloo::Term& subTerm, subTerms) {
 196             properties << subTerm.property();
 197         }
 198
 199         return properties.contains(QLatin1String("modified")) &&
 200                properties.contains(QLatin1String("rating"));
 201     }
 202
 203     return false;
 204 }
 205
 206 void DolphinFacetsWidget::setRatingTerm(const Baloo::Term& term)
 207 {
 208     // If term has sub terms, then the sub terms are always "rating" and "modified" terms.
 209     // If term has no sub terms, then the term itself is either a "rating" term or a "modified"
 210     // term. To avoid code duplication we add term to subTerms list, if the list is empty.
 211     QList<Baloo::Term> subTerms = term.subTerms();
 212     if (subTerms.isEmpty()) {
 213         subTerms << term;
 214     }
 215
 216     foreach (const Baloo::Term& subTerm, subTerms) {
 217         const QString property = subTerm.property();
 218
 219         if (property == QLatin1String("modified")) {
 220             const QDate date = subTerm.value().toDate();
 221             setTimespan(date);
 222         } else if (property == QLatin1String("rating")) {
 223             const int stars = subTerm.value().toInt() / 2;
 224             setRating(stars);
 225         }
 226     }
 227 }
 228
 229 #endif
 230
 231 void DolphinFacetsWidget::setFacetType(const QString& type)
 232 {
 233     if (type == QLatin1String("Document")) {
 234         m_documents->setChecked(true);
 235     } else if (type == QLatin1String("Image")) {
 236         m_images->setChecked(true);
 237     } else if (type == QLatin1String("Audio")) {
 238         m_audio->setChecked(true);
 239     } else if (type == QLatin1String("Video")) {
 240         m_videos->setChecked(true);
 241     } else {
 242         m_anyType->setChecked(true);
 243     }
 244 }
 245
 246 void DolphinFacetsWidget::setRating(const int stars)
 247 {
 248     switch (stars) {
 249     case 5:
 250         m_maxRating->setChecked(true);
 251         break;
 252
 253     case 4:
 254         m_fourOrMore->setChecked(true);
 255         break;
 256
 257     case 3:
 258         m_threeOrMore->setChecked(true);
 259         break;
 260
 261     case 2:
 262         m_twoOrMore->setChecked(true);
 263         break;
 264
 265     case 1:
 266         m_oneOrMore->setChecked(true);
 267         break;
 268
 269     default:
 270         m_anyRating->setChecked(true);
 271     }
 272 }
 273
 274 void DolphinFacetsWidget::setTimespan(const QDate& date)
 275 {
 276     const QDate currentDate = QDate::currentDate();
 277     const int days = date.daysTo(currentDate);
 278
 279     if (days <= 0) {
 280         m_today->setChecked(true);
 281     } else if (days <= 1) {
 282         m_yesterday->setChecked(true);
 283     } else if (days <= currentDate.dayOfWeek()) {
 284         m_thisWeek->setChecked(true);
 285     } else if (days <= currentDate.day()) {
 286         m_thisMonth->setChecked(true);
 287     } else if (days <= currentDate.dayOfYear()) {
 288         m_thisYear->setChecked(true);
 289     } else {
 290         m_anytime->setChecked(true);
 291     }
 292 }
 293
 294 QRadioButton* DolphinFacetsWidget::createRadioButton(const QString& text,
 295                                                      QButtonGroup* group)
 296 {
 297     QRadioButton* button = new QRadioButton(text);
 298     connect(button, &QRadioButton::clicked, this, &DolphinFacetsWidget::facetChanged);
 299     group->addButton(button);
 300     return button;
 301 }
 302