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authorCaroline Chao <caroline.chao@digia.com>2013-12-10 14:42:22 +0100
committerCaroline Chao <caroline.chao@digia.com>2013-12-10 14:42:22 +0100
commit9e2a27f41ab4b76851440fe0d5a11e1ae7ca9dde (patch)
tree234b14b90e9627939e2f99087c84e2ce5c1c72bb /src/cities.cpp
Initial commitv1.1
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the FOO module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDir>
+#include <QtCore/QFile>
+#include <QtCore/QIODevice>
+#include <QtCore/QTextStream>
+#include <QtGlobal>
+
+#include "cities.h"
+#include "citymodel.h"
+#include "applicationpaths.h"
+#include <QDebug>
+
+Cities::Cities(QObject *parent) :
+ QAbstractListModel(parent)
+{
+ m_citiesFileName = QString("%1cities.settings").arg(ApplicationPaths::settingsPath());
+ readCities();
+}
+
+Cities::~Cities()
+{
+ saveCities();
+}
+
+CityModel* Cities::getCityModel(int index)
+{
+ Q_ASSERT(index > -1);
+ Q_ASSERT(index < m_cityMap.count());
+ return m_cityMap.at(index).second;
+}
+
+void Cities::removeCityModel(int index)
+{
+ if (index < m_cityMap.count() && index >=0 )
+ {
+ beginRemoveRows(QModelIndex(), index, index);
+ CityModel *modelToDelete = m_cityMap.at(index).second;
+ modelToDelete->cleanAll();
+ modelToDelete->deleteLater();
+ m_cityMap.removeAt(index);
+ endRemoveRows();
+ }
+}
+
+int Cities::addCityModel(CityModel *model)
+{
+ CityModelPair pair = qMakePair(model->sourceXml(), model);
+ int modelIndex = m_cityMap.indexOf(pair);
+ if (modelIndex == -1) {
+ m_cityMap.prepend(pair);
+ connect(model, SIGNAL(contentXmlChanged()), this, SIGNAL(cityModelReady()));
+ if (m_cityMap.count() > 15)
+ removeCityModel(m_cityMap.count() - 1);
+ return 0;
+ }
+ return modelIndex;
+}
+
+void Cities::readCities()
+{
+ QFile file(m_citiesFileName);
+ if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+ return;
+ QTextStream in(&file);
+ while (!in.atEnd()) {
+ QString sourceXml = in.readLine().trimmed();
+ processSourceXml(sourceXml);
+ }
+ file.close();
+}
+
+int Cities::processSourceXml(const QString sourceXml)
+{
+ // Dont add save town/identical sourceXml twice
+ for (int i = 0; i <m_cityMap.count(); i++) {
+ if (m_cityMap.at(i).first == sourceXml)
+ return i;
+ }
+ CityModel *model = new CityModel(this);
+ if (model->setSourceXml(sourceXml))
+ return addCityModel(model);
+
+ model->deleteLater();
+ return -1;
+}
+
+void Cities::saveCities()
+{
+ QFile file(m_citiesFileName);
+ if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
+ return;
+ QTextStream out(&file);
+ for (int index = m_cityMap.count()-1; index >= 0; index--)
+ out << m_cityMap.at(index).first << endl;
+ file.close();
+}
+
+QVariant Cities::data(const QModelIndex & index, int role) const
+{
+ CityModel *model = m_cityMap.at(index.row()).second;
+ if (model) {
+ switch (role) {
+ case CityNameRole:
+ return model->cityNameDisplay().replace("_", " ");
+ case CountryRole:
+ return model->countryName().replace("_", " ");
+ }
+ }
+ return QVariant();
+}
+
+int Cities::rowCount(const QModelIndex & /*parent*/) const
+{
+ return m_cityMap.count();
+}
+
+QHash<int, QByteArray> Cities::roleNames() const
+{
+ QHash<int, QByteArray> rn;
+ rn[CityNameRole] = "name";
+ rn[CountryRole] = "country";
+ return rn;
+}