diff options
author | Caroline Chao <caroline.chao@digia.com> | 2013-12-10 14:42:22 +0100 |
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committer | Caroline Chao <caroline.chao@digia.com> | 2013-12-10 14:42:22 +0100 |
commit | 9e2a27f41ab4b76851440fe0d5a11e1ae7ca9dde (patch) | |
tree | 234b14b90e9627939e2f99087c84e2ce5c1c72bb /src/cities.cpp |
Initial commitv1.1
Diffstat (limited to 'src/cities.cpp')
-rw-r--r-- | src/cities.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/cities.cpp b/src/cities.cpp new file mode 100644 index 0000000..b91c276 --- /dev/null +++ b/src/cities.cpp @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** 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; +} |