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 <QSortFilterProxyModel>
  33 #include <QStringListModel>
  34
  35 StationListView::StationListView(StationListModel *model, QWidget *parent) :
  36     QMainWindow(parent),
  37     ui(new Ui::StationListView),
  38     viewSelectionGroup(new QActionGroup(0)),
  39     stationListModel(model),
  40     filterModel(new StationListProxyModel(this)),
  41     keyPressForwarder(new KeyPressForwarder(this)),
  42     m_sortingMode(NoSorting)
  43
  44 {
  45 #ifdef Q_WS_MAEMO_5
  46     setAttribute(Qt::WA_Maemo5StackedWindow);
  47     setAttribute(Qt::WA_Maemo5AutoOrientation);
  48 #endif
  49     ui->setupUi(this);
  50     viewSelectionGroup->addAction(ui->sortByNameAction);
  51     viewSelectionGroup->addAction(ui->sortByDistanceAction);
  52     viewSelectionGroup->addAction(ui->sortRecentFirstAction);
  53     filterModel->setSourceModel(stationListModel);
  54     filterModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
  55     ui->listView->setModel(filterModel);
  56     ui->listView->setEditTriggers(QAbstractItemView::NoEditTriggers);
  57     ui->listView->setSelectionMode(QAbstractItemView::SingleSelection);
  58     ui->filterEdit->hide();
  59
  60     keyPressForwarder->setTarget(ui->filterEdit);
  61     ui->listView->installEventFilter(keyPressForwarder);
  62
  63     connect(ui->showAboutAction, SIGNAL(triggered()),
  64             this, SIGNAL(aboutTriggered()));
  65     connect(ui->listView,
  66             SIGNAL(activated(QModelIndex)), SLOT(showStation(QModelIndex)));
  67     connect(ui->filterEdit, SIGNAL(textChanged(const QString &)),
  68             SLOT(handleFilterChanges(const QString &)));
  69     connect(viewSelectionGroup, SIGNAL(triggered(QAction*)),
  70             SLOT(handleSortingChange(QAction*)));
  71
  72     setSortingMode(AlphaSorting);
  73 }
  74
  75
  76 StationListView::~StationListView()
  77 {
  78     delete ui;
  79 }
  80
  81 void StationListView::showSettings(void)
  82 {
  83     qDebug() << "Show Settings";
  84     SettingsDialog *settingsDialog = new SettingsDialog(this);
  85     if (settingsDialog->exec() == QDialog::Accepted) {
  86         // TODO Use new settings
  87     }
  88
  89     delete settingsDialog;
  90 }
  91
  92 void StationListView::showStation(const QModelIndex &index)
  93 {
  94     qDebug() << "Show Station" << index.data();
  95     emit stationSelected(index.data().toString());
  96 }
  97
  98 void StationListView::handleFilterChanges(const QString &filter)
  99 {
 100     if (!filter.isEmpty())
 101         ui->filterEdit->show();
 102     else
 103         ui->filterEdit->hide();
 104     filterModel->setFilterFixedString(filter);
 105 }
 106
 107 void StationListView::updatePosition(const QtMobility::QGeoPositionInfo &update)
 108 {
 109     qDebug() << "Position update received" << update;
 110     filterModel->setUserPosition(update.coordinate());
 111     filterModel->invalidate();
 112     filterModel->sort(0);
 113 }
 114
 115 void StationListView::handleSortingChange(QAction *action)
 116 {
 117     SortingMode mode = NoSorting;
 118     if (action == ui->sortByNameAction) {
 119         mode = AlphaSorting;
 120         qDebug() << "sort by name";
 121     } else if (action == ui->sortByDistanceAction) {
 122         mode = DistanceSorting;
 123         qDebug() << "sort by distance";
 124     } else if (action == ui->sortRecentFirstAction) {
 125         mode = RecentUsageSorting;
 126         qDebug() << "sort by recent use";
 127     }
 128     setSortingMode(mode);
 129 }
 130
 131 void StationListView::setSortingMode(StationListView::SortingMode mode)
 132 {
 133     if (mode != m_sortingMode) {
 134         m_sortingMode = mode;
 135         switch (mode) {
 136         case AlphaSorting:
 137             filterModel->setSortRole(Qt::DisplayRole);
 138             ui->sortByNameAction->setChecked(true);
 139             break;
 140         case DistanceSorting:
 141             filterModel->setSortRole(StationListModel::PositionRole);
 142             ui->sortByDistanceAction->setChecked(true);
 143             break;
 144         case RecentUsageSorting:
 145             ui->sortRecentFirstAction->setChecked(true);
 146             break;
 147         case NoSorting:
 148         default:
 149             break;
 150         }
 151         filterModel->invalidate();
 152         filterModel->sort(0);
 153         emit sortingModeChanged(mode);
 154     }
 155 }
 156
 157 StationListView::SortingMode StationListView::sortingMode()
 158 {
 159     return m_sortingMode;
 160 }