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Diffstat (limited to 'examples/xmlpatterns/trafficinfo/stationdialog.cpp')
-rw-r--r-- | examples/xmlpatterns/trafficinfo/stationdialog.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/examples/xmlpatterns/trafficinfo/stationdialog.cpp b/examples/xmlpatterns/trafficinfo/stationdialog.cpp new file mode 100644 index 0000000..3d3ebc7 --- /dev/null +++ b/examples/xmlpatterns/trafficinfo/stationdialog.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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)); + } + + QMetaObject::invokeMethod(this, SLOT(searchStations()), Qt::QueuedConnection); +} + +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() +{ + m_model->setStations(StationQuery::query(m_ui.m_input->text())); + m_ui.m_view->keyboardSearch(m_ui.m_input->text()); +} |