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(StationListProxyModel::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     StationListProxyModel::SortingMode mode =
  87             static_cast<StationListProxyModel::SortingMode>(
  88                 settings.value("StationListView/SortingMode",
  89                                StationListProxyModel::AlphaSorting).toInt());
  90     filterModel->setRecentStations(
  91                 settings.value("RecentStations").toString().split(","));
  92     setSortingMode(mode);
  93 }
  94
  95
  96 StationListView::~StationListView()
  97 {
  98     delete ui;
  99 }
 100
 101 void StationListView::showStation(const QModelIndex &index)
 102 {
 103     qDebug() << "Show Station" << index.data();
 104     emit stationSelected(index.data().toString());
 105 }
 106
 107 void StationListView::handleFilterChanges(const QString &filter)
 108 {
 109     if (!filter.isEmpty())
 110         ui->filterFrame->show();
 111     else
 112         ui->filterFrame->hide();
 113     filterModel->setFilterFixedString(filter);
 114     qDebug() << "Filtering for" << filter;
 115 }
 116
 117 void StationListView::updatePosition(const QtMobility::QGeoPositionInfo &update)
 118 {
 119     qDebug() << "Position update received" << update;
 120     filterModel->setUserPosition(update.coordinate());
 121     filterModel->invalidate();
 122     filterModel->sort(0);
 123 }
 124
 125 void StationListView::handleSortingChange(QAction *action)
 126 {
 127     StationListProxyModel::SortingMode mode = StationListProxyModel::NoSorting;
 128     if (action == ui->sortByNameAction) {
 129         mode = StationListProxyModel::AlphaSorting;
 130         qDebug() << "sort by name";
 131     } else if (action == ui->sortByDistanceAction) {
 132         mode = StationListProxyModel::DistanceSorting;
 133         qDebug() << "sort by distance";
 134     } else if (action == ui->sortRecentFirstAction) {
 135         mode = StationListProxyModel::RecentUsageSorting;
 136         qDebug() << "sort by recent use";
 137     }
 138
 139     QSettings settings;
 140     settings.setValue("StationListView/SortingMode", mode);
 141
 142     setSortingMode(mode);
 143 }
 144
 145 void StationListView::setSortingMode(StationListProxyModel::SortingMode mode)
 146 {
 147     qDebug() << "setSorting Mode" << mode << "called";
 148     if (mode != m_sortingMode) {
 149         m_sortingMode = mode;
 150         filterModel->setRecentOnlyFilter(false);
 151
 152         switch (mode) {
 153         case StationListProxyModel::AlphaSorting:
 154             filterModel->setSortRole(Qt::DisplayRole);
 155             ui->sortByNameAction->setChecked(true);
 156             break;
 157         case StationListProxyModel::DistanceSorting:
 158             filterModel->setSortRole(StationListModel::PositionRole);
 159             ui->sortByDistanceAction->setChecked(true);
 160             break;
 161         case StationListProxyModel::RecentUsageSorting:
 162             ui->sortRecentFirstAction->setChecked(true);
 163             filterModel->setRecentOnlyFilter(true);
 164             break;
 165         case StationListProxyModel::NoSorting:
 166         default:
 167             break;
 168         }
 169         if (mode == StationListProxyModel::DistanceSorting) {
 170             positionInfoSource->startUpdates();
 171         } else {
 172             positionInfoSource->stopUpdates();
 173         }
 174         filterModel->invalidate();
 175         filterModel->sort(0);
 176         emit sortingModeChanged(mode);
 177     }
 178 }
 179
 180 StationListProxyModel::SortingMode StationListView::sortingMode()
 181 {
 182     return m_sortingMode;
 183 }
 184
 185 void StationListView::handlefilterClearClick()
 186 {
 187     ui->filterEdit->clear();
 188 }