git.maemo.org Git - quandoparte/blob - application/stationlistview.cpp

   1 /*
   2
   3 Copyright (C) 2011 Luciano Montanaro <mikelima@cirulla.net>
   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 GNU
  13 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; see the file COPYING.  If not, write to
  17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18 Boston, MA 02110-1301, USA.
  19
  20 */
  21
  22 #include "stationlistview.h"
  23 #include "ui_stationlistview.h"
  24 #include "stationlistmodel.h"
  25 #include "stationlistproxymodel.h"
  26 #include "keypressforwarder.h"
  27 #include "settingsdialog.h"
  28
  29 #include <QActionGroup>
  30 #include <QDebug>
  31 #include <QKeyEvent>
  32 #include <QSettings>
  33 #include <QSortFilterProxyModel>
  34 #include <QStringListModel>
  35
  36 StationListView::StationListView(StationListModel *model, QWidget *parent) :
  37     QMainWindow(parent),
  38     ui(new Ui::StationListView),
  39     viewSelectionGroup(new QActionGroup(0)),
  40     stationListModel(model),
  41     filterModel(new StationListProxyModel(this)),
  42     keyPressForwarder(new KeyPressForwarder(this)),
  43     positionInfoSource(QGeoPositionInfoSource::createDefaultSource(this)),
  44     m_sortingMode(NoSorting)
  45
  46 {
  47     ui->setupUi(this);
  48 #ifdef Q_WS_MAEMO_5
  49     setAttribute(Qt::WA_Maemo5StackedWindow);
  50     setAttribute(Qt::WA_Maemo5AutoOrientation);
  51     ui->filterClear->setIcon(QIcon::fromTheme("general_close"));
  52 #else
  53     ui->filterClear->setIcon(QIcon::fromTheme("edit-clear"));
  54 #endif
  55
  56     viewSelectionGroup->addAction(ui->sortByNameAction);
  57     viewSelectionGroup->addAction(ui->sortByDistanceAction);
  58     viewSelectionGroup->addAction(ui->sortRecentFirstAction);
  59     filterModel->setSourceModel(stationListModel);
  60     ui->listView->setModel(filterModel);
  61     ui->listView->setEditTriggers(QAbstractItemView::NoEditTriggers);
  62     ui->listView->setSelectionMode(QAbstractItemView::SingleSelection);
  63     ui->filterFrame->hide();
  64
  65     keyPressForwarder->setTarget(ui->filterEdit);
  66     ui->listView->installEventFilter(keyPressForwarder);
  67
  68     connect(ui->showAboutAction, SIGNAL(triggered()),
  69             this, SIGNAL(aboutTriggered()));
  70     connect(ui->showSettingsAction, SIGNAL(triggered()),
  71             this, SIGNAL(settingsChangeRequested()));
  72     connect(ui->listView, SIGNAL(activated(QModelIndex)),
  73             SLOT(showStation(QModelIndex)));
  74     connect(ui->filterEdit, SIGNAL(textChanged(const QString &)),
  75             SLOT(handleFilterChanges(const QString &)));
  76     connect(ui->filterClear, SIGNAL(clicked()), SLOT(handlefilterClearClick()));
  77     connect(viewSelectionGroup, SIGNAL(triggered(QAction*)),
  78             SLOT(handleSortingChange(QAction*)));
  79
  80     if (positionInfoSource) {
  81         connect(positionInfoSource, SIGNAL(positionUpdated(QGeoPositionInfo)),
  82                 SLOT(updatePosition(QGeoPositionInfo)));
  83     }
  84
  85     QSettings settings;
  86     SortingMode mode = static_cast<SortingMode>(
  87                 settings.value("StationListView/SortingMode",
  88                                AlphaSorting).toInt());
  89     filterModel->setRecentStations(
  90                 settings.value("RecentStations").toString().split(","));
  91     setSortingMode(mode);
  92 }
  93
  94
  95 StationListView::~StationListView()
  96 {
  97     delete ui;
  98 }
  99
 100 void StationListView::showStation(const QModelIndex &index)
 101 {
 102     qDebug() << "Show Station" << index.data();
 103     emit stationSelected(index.data().toString());
 104 }
 105
 106 void StationListView::handleFilterChanges(const QString &filter)
 107 {
 108     if (!filter.isEmpty())
 109         ui->filterFrame->show();
 110     else
 111         ui->filterFrame->hide();
 112     filterModel->setFilterFixedString(filter);
 113     qDebug() << "Filtering for" << filter;
 114 }
 115
 116 void StationListView::updatePosition(const QtMobility::QGeoPositionInfo &update)
 117 {
 118     qDebug() << "Position update received" << update;
 119     filterModel->setUserPosition(update.coordinate());
 120     filterModel->invalidate();
 121     filterModel->sort(0);
 122 }
 123
 124 void StationListView::handleSortingChange(QAction *action)
 125 {
 126     SortingMode mode = NoSorting;
 127     if (action == ui->sortByNameAction) {
 128         mode = AlphaSorting;
 129         qDebug() << "sort by name";
 130     } else if (action == ui->sortByDistanceAction) {
 131         mode = DistanceSorting;
 132         qDebug() << "sort by distance";
 133     } else if (action == ui->sortRecentFirstAction) {
 134         mode = RecentUsageSorting;
 135         qDebug() << "sort by recent use";
 136     }
 137
 138     QSettings settings;
 139     settings.setValue("StationListView/SortingMode", mode);
 140
 141     setSortingMode(mode);
 142 }
 143
 144 void StationListView::setSortingMode(StationListView::SortingMode mode)
 145 {
 146     qDebug() << "setSorting Mode" << mode << "called";
 147     if (mode != m_sortingMode) {
 148         m_sortingMode = mode;
 149         filterModel->setRecentOnlyFilter(false);
 150
 151         switch (mode) {
 152         case AlphaSorting:
 153             filterModel->setSortRole(Qt::DisplayRole);
 154             ui->sortByNameAction->setChecked(true);
 155             break;
 156         case DistanceSorting:
 157             filterModel->setSortRole(StationListModel::PositionRole);
 158             ui->sortByDistanceAction->setChecked(true);
 159             break;
 160         case RecentUsageSorting:
 161             ui->sortRecentFirstAction->setChecked(true);
 162             filterModel->setRecentOnlyFilter(true);
 163             break;
 164         case NoSorting:
 165         default:
 166             break;
 167         }
 168         if (mode == DistanceSorting) {
 169             positionInfoSource->startUpdates();
 170         } else {
 171             positionInfoSource->stopUpdates();
 172         }
 173         filterModel->invalidate();
 174         filterModel->sort(0);
 175         emit sortingModeChanged(mode);
 176     }
 177 }
 178
 179 StationListView::SortingMode StationListView::sortingMode()
 180 {
 181     return m_sortingMode;
 182 }
 183
 184 void StationListView::handlefilterClearClick()
 185 {
 186     ui->filterEdit->clear();
 187 }