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Code

add not (yet) working downloader for routing data

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This commit is contained in:
Niels 2011-03-22 15:26:48 +01:00
parent 8d77601115
commit f86e246ddb
2 changed files with 98 additions and 14 deletions
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102
downloadwidget.cpp
View File

@ -26,7 +26,6 @@
#include <QtCore/QFile>
#include <QtCore/QSettings>
#include <QtGui/QLayout>
#include <QtNetwork/QNetworkReply>
#include <QtNetwork/QNetworkRequest>
DownloadWidget::DownloadWidget(QWidget *parent)
@ -40,6 +39,7 @@ DownloadWidget::DownloadWidget(QWidget *parent)
m_startLevel(0),
m_dlRect(),
m_dlList(),
m_currentDownload(0),
m_prefix("OSM"),
m_up(new QLabel("N 0", this)),
m_left(new QLabel("E 0", this)),
@ -50,7 +50,9 @@ DownloadWidget::DownloadWidget(QWidget *parent)
m_skipExisting(new QCheckBox("S&kip already downloaded tiles", this)),
m_poiType(new QComboBox(this)),
m_makePOILayer(new QCheckBox("&Load file after download", this)),
m_destFilename(new QLineEdit(QDir::homePath()+"/pois.osm", this))
m_destFilename(new QLineEdit(QDir::homePath()+"/pois.osm", this)),
m_packageList(new QListWidget(this)),
m_destDir(new QLineEdit(QDir::homePath(), this))
{
QGridLayout *layout = new QGridLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
@ -87,13 +89,13 @@ DownloadWidget::DownloadWidget(QWidget *parent)
label->setFrameShape(QLabel::Box);
layout->addWidget(label, 1, 1, 1, 2);
label = new QLabel("Download up to level", this);
label = new QLabel("Download up to level:", this);
layout->addWidget(label, 3, 0, 1, 2);
m_levelSpinBox->setRange(0, 18);
layout->addWidget(m_levelSpinBox, 3, 2, 1, 2);
label = new QLabel("Download into directory", this);
label = new QLabel("Download into directory:", this);
layout->addWidget(label, 4, 0, 1, 2);
m_prefixInput->setText(m_prefix);
@ -138,10 +140,22 @@ DownloadWidget::DownloadWidget(QWidget *parent)
widget = new QWidget(this);
layout = new QGridLayout(widget);
layout->setContentsMargins(0, 0, 0, 0);
layout->setRowStretch(1, 1);
label = new QLabel("TODO", this);
label = new QLabel("This Page does not work yet!!!", this);
label->setAlignment(Qt::AlignCenter);
layout->addWidget(label, 0, 0);
layout->addWidget(label, 0, 0, 1, 2);
QPushButton *updateList = new QPushButton("Update list", this);
connect(updateList, SIGNAL(clicked()), this, SLOT(updateSourceList()));
layout->addWidget(updateList, 0, 2);
layout->addWidget(m_packageList, 1, 0, 1, 3);
label = new QLabel("Download into directory:", this);
layout->addWidget(label, 2, 0);
layout->addWidget(m_destDir, 2, 1, 1, 2);
m_tabWidget->addTab(widget, "&Routing data");
@ -204,6 +218,16 @@ void DownloadWidget::replyFinished(QNetworkReply *reply)
case POIs:
replyFinishedPOIs(reply);
break;
case SourceList:
if (reply->error() == QNetworkReply::NoError) {
QStringList list = QString::fromUtf8(reply->readAll().constData()).split("\n");
foreach (const QString &pkg, list) {
QListWidgetItem *item = new QListWidgetItem(pkg.section('@', 0, 0));
item->setData(Qt::UserRole, QVariant(pkg.section('@', 1)));
m_packageList->addItem(item);
}
}
break;
}
reply->deleteLater();
}
@ -214,6 +238,26 @@ void DownloadWidget::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
m_dlProgress->setValue(bytesReceived);
}
void DownloadWidget::saveDownload()
{
if (m_currentDownload->error() != QNetworkReply::NoError) {
return;
}
QString path = m_currentDownload->url().path().section("/", -2);
QByteArray a = m_currentDownload->readAll();
QFile file(m_destDir->text()+"/"+path);
if (file.open(QFile::WriteOnly)) {
file.write(a);
}
}
void DownloadWidget::updateSourceList()
{
m_downloadMode = SourceList;
m_manager->get(QNetworkRequest(QUrl("http://host.domain.tld/path/source.list")));
}
void DownloadWidget::startDownloadTiles()
{
m_prefix = m_prefixInput->text();
@ -330,10 +374,33 @@ void DownloadWidget::replyFinishedPOIs(QNetworkReply *reply)
void DownloadWidget::startDownloadPackages()
{
QUrl url("http://download../...");
QNetworkReply *reply = m_manager->get(QNetworkRequest(url));
connect(reply, SIGNAL(downloadProgress(qint64, qint64)),
QListWidgetItem *item = m_packageList->currentItem();
if (!item) {
return;
}
QString baseUrl = item->data(Qt::UserRole).toString();
m_dlList << baseUrl+"Contraction Hierarchies_config";
m_dlList << baseUrl+"Contraction Hierarchies_edges";
m_dlList << baseUrl+"Contraction Hierarchies_names";
m_dlList << baseUrl+"Contraction Hierarchies_paths";
m_dlList << baseUrl+"Contraction Hierarchies_types";
m_dlList << baseUrl+"GPSGrid_config";
m_dlList << baseUrl+"GPSGrid_grid";
m_dlList << baseUrl+"GPSGrid_index_1";
m_dlList << baseUrl+"GPSGrid_index_2";
m_dlList << baseUrl+"GPSGrid_index_3";
m_dlList << baseUrl+"OSM Renderer_settings";
m_dlList << baseUrl+"plugins.ini";
m_dlList << baseUrl+"Unicode Tournament Trie_main";
m_dlList << baseUrl+"Unicode Tournament Trie_sub";
m_dlList << baseUrl+"Unicode Tournament Trie_ways";
m_currentDownload = m_manager->get(QNetworkRequest(QUrl(m_dlList.takeFirst())));
connect(m_currentDownload, SIGNAL(downloadProgress(qint64, qint64)),
this, SLOT(downloadProgress(qint64, qint64)));
connect(m_currentDownload, SIGNAL(readReady()),
this, SLOT(saveDownload()));
m_dlProgress->show();
m_dlProgress->setValue(0);
@ -347,10 +414,19 @@ void DownloadWidget::replyFinishedPackages(QNetworkReply *reply)
{
Q_UNUSED(reply)
m_dlProgress->hide();
m_tabWidget->setEnabled(true);
m_startButton->setEnabled(true);
m_backButton->setEnabled(true);
if (m_dlList.isEmpty()) {
m_dlProgress->hide();
m_tabWidget->setEnabled(true);
m_startButton->setEnabled(true);
m_backButton->setEnabled(true);
} else {
QUrl url(m_dlList.takeFirst());
m_currentDownload = m_manager->get(QNetworkRequest(url));
connect(m_currentDownload, SIGNAL(downloadProgress(qint64, qint64)),
this, SLOT(downloadProgress(qint64, qint64)));
connect(m_currentDownload, SIGNAL(readReady()),
this, SLOT(saveDownload()));
}
}
QString DownloadWidget::lon2string(qreal lon)

10
downloadwidget.h
View File

@ -24,12 +24,14 @@
#include <QtGui/QComboBox>
#include <QtGui/QLabel>
#include <QtGui/QLineEdit>
#include <QtGui/QListWidget>
#include <QtGui/QProgressBar>
#include <QtGui/QPushButton>
#include <QtGui/QSpinBox>
#include <QtGui/QTabWidget>
#include <QtGui/QWidget>
#include <QtNetwork/QNetworkAccessManager>
#include <QtNetwork/QNetworkReply>
class DownloadWidget : public QWidget
{
@ -49,12 +51,15 @@ private slots:
void startDownload();
void replyFinished(QNetworkReply *reply);
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
void saveDownload();
void updateSourceList();
private:
enum DownloadMode {
Tiles,
POIs,
Packages
Packages,
SourceList
};
void startDownloadTiles();
@ -76,6 +81,7 @@ private:
int m_startLevel;
QRectF m_dlRect;
QStringList m_dlList;
QNetworkReply *m_currentDownload;
QString m_prefix;
QLabel *m_up, *m_left, *m_right, *m_bottom;
QSpinBox *m_levelSpinBox;
@ -84,6 +90,8 @@ private:
QComboBox *m_poiType;
QCheckBox *m_makePOILayer;
QLineEdit *m_destFilename;
QListWidget *m_packageList;
QLineEdit *m_destDir;
};