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 #ifdef Q_WS_MAEMO_5
  48     setAttribute(Qt::WA_Maemo5StackedWindow);
  49     setAttribute(Qt::WA_Maemo5AutoOrientation);
  50 #endif
  51     ui->setupUi(this);
  52     viewSelectionGroup->addAction(ui->sortByNameAction);
  53     viewSelectionGroup->addAction(ui->sortByDistanceAction);
  54     viewSelectionGroup->addAction(ui->sortRecentFirstAction);
  55     filterModel->setSourceModel(stationListModel);
  56     filterModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
  57     ui->listView->setModel(filterModel);
  58     ui->listView->setEditTriggers(QAbstractItemView::NoEditTriggers);
  59     ui->listView->setSelectionMode(QAbstractItemView::SingleSelection);
  60     ui->filterEdit->hide();
  61
  62     keyPressForwarder->setTarget(ui->filterEdit);
  63     ui->listView->installEventFilter(keyPressForwarder);
  64
  65     connect(ui->showAboutAction, SIGNAL(triggered()),
  66             this, SIGNAL(aboutTriggered()));
  67     connect(ui->showSettingsAction, SIGNAL(triggered()),
  68             this, SIGNAL(settingsChangeRequested()));
  69     connect(ui->listView,
  70             SIGNAL(activated(QModelIndex)), SLOT(showStation(QModelIndex)));
  71     connect(ui->filterEdit, SIGNAL(textChanged(const QString &)),
  72             SLOT(handleFilterChanges(const QString &)));
  73     connect(viewSelectionGroup, SIGNAL(triggered(QAction*)),
  74             SLOT(handleSortingChange(QAction*)));
  75
  76     if (positionInfoSource) {
  77         connect(positionInfoSource, SIGNAL(positionUpdated(QGeoPositionInfo)),
  78                 SLOT(updatePosition(QGeoPositionInfo)));
  79         // Testing only: start updates rigt away.
  80         positionInfoSource->startUpdates();
  81     }
  82
  83     QSettings settings;
  84     SortingMode mode = static_cast<SortingMode>(
  85                 settings.value("StationListView/SortingMode",
  86                                AlphaSorting).toInt());
  87     filterModel->setRecentStations(
  88                 settings.value("RecentStations").toString().split(","));
  89     setSortingMode(mode);
  90 }
  91
  92
  93 StationListView::~StationListView()
  94 {
  95     delete ui;
  96 }
  97
  98 void StationListView::showStation(const QModelIndex &index)
  99 {
 100     qDebug() << "Show Station" << index.data();
 101     emit stationSelected(index.data().toString());
 102 }
 103
 104 void StationListView::handleFilterChanges(const QString &filter)
 105 {
 106     if (!filter.isEmpty())
 107         ui->filterEdit->show();
 108     else
 109         ui->filterEdit->hide();
 110     filterModel->setFilterFixedString(filter);
 111 }
 112
 113 void StationListView::updatePosition(const QtMobility::QGeoPositionInfo &update)
 114 {
 115     qDebug() << "Position update received" << update;
 116     filterModel->setUserPosition(update.coordinate());
 117     filterModel->invalidate();
 118     filterModel->sort(0);
 119 }
 120
 121 void StationListView::handleSortingChange(QAction *action)
 122 {
 123     SortingMode mode = NoSorting;
 124     if (action == ui->sortByNameAction) {
 125         mode = AlphaSorting;
 126         qDebug() << "sort by name";
 127     } else if (action == ui->sortByDistanceAction) {
 128         mode = DistanceSorting;
 129         qDebug() << "sort by distance";
 130     } else if (action == ui->sortRecentFirstAction) {
 131         mode = RecentUsageSorting;
 132         qDebug() << "sort by recent use";
 133     }
 134
 135     QSettings settings;
 136     settings.setValue("StationListView/SortingMode", mode);
 137
 138     setSortingMode(mode);
 139 }
 140
 141 void StationListView::setSortingMode(StationListView::SortingMode mode)
 142 {
 143     qDebug() << "setSorting Mode" << mode << "called";
 144     if (mode != m_sortingMode) {
 145         m_sortingMode = mode;
 146         filterModel->setRecentOnlyFilter(false);
 147
 148         switch (mode) {
 149         case AlphaSorting:
 150             filterModel->setSortRole(Qt::DisplayRole);
 151             ui->sortByNameAction->setChecked(true);
 152             break;
 153         case DistanceSorting:
 154             filterModel->setSortRole(StationListModel::PositionRole);
 155             ui->sortByDistanceAction->setChecked(true);
 156             break;
 157         case RecentUsageSorting:
 158             ui->sortRecentFirstAction->setChecked(true);
 159             filterModel->setRecentOnlyFilter(true);
 160             break;
 161         case NoSorting:
 162         default:
 163             break;
 164         }
 165         filterModel->invalidate();
 166         filterModel->sort(0);
 167         emit sortingModeChanged(mode);
 168     }
 169 }
 170
 171 StationListView::SortingMode StationListView::sortingMode()
 172 {
 173     return m_sortingMode;
 174 }