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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the examples of the Qt Toolkit.
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#include "stationdialog.h"
#include "ui_stationdialog.h"
#include <QtCore/QAbstractListModel>
class StationModel : public QAbstractListModel
{
public:
enum Role
{
StationIdRole = Qt::UserRole + 1,
StationNameRole
};
StationModel(QObject *parent = 0)
: QAbstractListModel(parent)
{
}
void setStations(const StationInformation::List &list)
{
m_stations = list;
layoutChanged();
}
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const
{
if (!parent.isValid())
return m_stations.count();
else
return 0;
}
virtual int columnCount(const QModelIndex &parent = QModelIndex()) const
{
if (!parent.isValid())
return 1;
else
return 0;
}
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const
{
if (!index.isValid())
return QVariant();
if (index.column() > 1 || index.row() >= m_stations.count())
return QVariant();
const StationInformation info = m_stations.at(index.row());
if (role == Qt::DisplayRole || role == StationNameRole)
return info.name();
else if (role == StationIdRole)
return info.id();
return QVariant();
}
private:
StationInformation::List m_stations;
};
StationDialog::StationDialog(const QString &name, const QStringList &lineNumbers, QWidget *parent)
: QDialog(parent)
{
m_ui.setupUi(this);
connect(m_ui.m_searchButton, SIGNAL(clicked()), this, SLOT(searchStations()));
m_ui.m_searchButton->setDefault(true);
m_ui.m_input->setText(name);
m_model = new StationModel(this);
m_ui.m_view->setModel(m_model);
for (int i = 0; i < lineNumbers.count(); ++i) {
if (i == 0)
m_ui.m_line1->setText(lineNumbers.at(i));
else if (i == 1)
m_ui.m_line2->setText(lineNumbers.at(i));
else if (i == 2)
m_ui.m_line3->setText(lineNumbers.at(i));
else if (i == 3)
m_ui.m_line4->setText(lineNumbers.at(i));
}
searchStations();
}
StationInformation StationDialog::selectedStation() const
{
const QModelIndex index = m_ui.m_view->currentIndex();
if (!index.isValid())
return StationInformation();
return StationInformation(index.data(StationModel::StationIdRole).toString(),
index.data(StationModel::StationNameRole).toString());
}
QStringList StationDialog::lineNumbers() const
{
QStringList lines;
if (!m_ui.m_line1->text().simplified().isEmpty())
lines.append(m_ui.m_line1->text().simplified());
if (!m_ui.m_line2->text().simplified().isEmpty())
lines.append(m_ui.m_line2->text().simplified());
if (!m_ui.m_line3->text().simplified().isEmpty())
lines.append(m_ui.m_line3->text().simplified());
if (!m_ui.m_line4->text().simplified().isEmpty())
lines.append(m_ui.m_line4->text().simplified());
return lines;
}
void StationDialog::searchStations()
{
StationQuery query;
m_model->setStations(query.query(m_ui.m_input->text()));
m_ui.m_view->keyboardSearch(m_ui.m_input->text());
}
Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.5.2 |