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

   1 #include "stationlistproxymodel.h"
   2 #include "stationlistmodel.h"
   3
   4 #include <QDebug>
   5 #include <QGeoCoordinate>
   6
   7 QTM_USE_NAMESPACE
   8
   9 Q_DECLARE_METATYPE(QGeoCoordinate)
  10
  11 StationListProxyModel::StationListProxyModel(QObject *parent) :
  12     QSortFilterProxyModel(parent),
  13     m_here(44.5, 9.0),
  14     m_filterRecentOnly(false)
  15 {
  16     QHash<int, QByteArray> roles;
  17     roles[StationListModel::PositionRole] = "position";
  18     setRoleNames(roles);
  19
  20     setFilterCaseSensitivity(Qt::CaseInsensitive);
  21     setSortCaseSensitivity(Qt::CaseInsensitive);
  22 }
  23
  24 bool StationListProxyModel::lessThan(const QModelIndex &left,
  25                                      const QModelIndex &right) const
  26 {
  27     int role = sortRole();
  28
  29     if (role == StationListModel::PositionRole) {
  30         QGeoCoordinate first = left.data(role).value<QGeoCoordinate>();
  31         QGeoCoordinate second = right.data(role).value<QGeoCoordinate>();
  32        return first.distanceTo(m_here) < second.distanceTo(m_here);
  33     } else {
  34         return QString::compare(left.data(role).toString(),
  35                                 right.data(role).toString(),
  36                                 sortCaseSensitivity()) < 0;
  37     }
  38 }
  39
  40 void StationListProxyModel::setUserPosition(const QtMobility::QGeoCoordinate &pos)
  41 {
  42     m_here = pos;
  43 }
  44
  45 void StationListProxyModel::setRecentStations(const QStringList &stations)
  46 {
  47     m_stations = stations;
  48 }
  49
  50 bool StationListProxyModel::filterAcceptsRow(int sourceRow,
  51                                              const QModelIndex &sourceParent) const
  52 {
  53     bool acceptable;
  54     QModelIndex i = sourceModel()->index(sourceRow, 0, sourceParent);
  55     QString stationName = sourceModel()->data(i).toString();
  56     if (m_filterRecentOnly) {
  57         acceptable =  m_stations.contains(stationName);
  58     } else {
  59         acceptable = true;
  60     }
  61     return acceptable && stationName.contains(filterRegExp());
  62 }
  63
  64 void StationListProxyModel::setRecentOnlyFilter(bool activation)
  65 {
  66     m_filterRecentOnly = activation;
  67 }
  68
  69 QString StationListProxyModel::searchPattern() const
  70 {
  71     return m_searchPattern;
  72 }
  73
  74 void StationListProxyModel::setSearchPattern(const QString &pattern)
  75 {
  76     m_searchPattern = pattern;
  77     setFilterFixedString(m_searchPattern);
  78 }
  79
  80 StationListProxyModel::SortingMode StationListProxyModel::sortingMode()
  81 {
  82     return m_sortingMode;
  83 }
  84
  85 void StationListProxyModel::setSortingMode(StationListProxyModel::SortingMode mode)
  86 {
  87     m_sortingMode = mode;
  88     invalidate();
  89     sort(0);
  90 }