qi-hardware/nanomap
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Code

let the user select a subdirectory to mass download tiles into. Use this for tiles you want to delete after usage. Just delete the subdirectory in $HOME/Maps.

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This commit is contained in:
Niels 2010-10-11 14:24:36 +02:00
parent 8daff2686c
commit c4d718f8d4
3 changed files with 30 additions and 8 deletions
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23
downloadwidget.cpp
View File

@ -35,12 +35,14 @@ DownloadWidget::DownloadWidget(QWidget *parent)
m_startLevel(0),
m_dlRect(),
m_dlList(),
m_prefix("OSM"),
m_up(new QLabel("N 0", this)),
m_left(new QLabel("E 0", this)),
m_right(new QLabel("E 0", this)),
m_bottom(new QLabel("N 0", this)),
m_levelSpinBox(new QSpinBox(this)),
m_dlProgress(new QProgressBar(this)),
m_prefixInput(new QLineEdit(this)),
m_skipExisting(new QCheckBox("S&kip already downloaded tiles", this))
{
QGridLayout *layout = new QGridLayout(this);
@ -66,19 +68,25 @@ DownloadWidget::DownloadWidget(QWidget *parent)
m_levelSpinBox->setRange(0, 18);
layout->addWidget(m_levelSpinBox, 3, 2, 1, 2);
label = new QLabel("Download into directory", this);
layout->addWidget(label, 4, 0);
m_prefixInput->setText(m_prefix);
layout->addWidget(m_prefixInput, 4, 2, 1, 2);
m_skipExisting->setChecked(false);
layout->addWidget(m_skipExisting, 4, 0, 1, 0);
layout->addWidget(m_skipExisting, 5, 0, 1, 0);
m_dlProgress->setFormat("%v / %m");
layout->addWidget(m_dlProgress, 5, 0, 1, 4);
layout->addWidget(m_dlProgress, 6, 0, 1, 4);
QPushButton *start = new QPushButton("&Start", this);
connect(start, SIGNAL(clicked()), this, SLOT(startDownload()));
layout->addWidget(start, 6, 0, 1, 2);
layout->addWidget(start, 7, 0, 1, 2);
QPushButton *back = new QPushButton("&Back", this);
connect(back, SIGNAL(clicked()), this, SIGNAL(back()));
layout->addWidget(back, 6, 2, 1, 2);
layout->addWidget(back, 7, 2, 1, 2);
connect(m_manager, SIGNAL(finished(QNetworkReply*)),
this, SLOT(replyFinished(QNetworkReply*)));
@ -111,6 +119,7 @@ void DownloadWidget::setDownloadRect(const QRectF &rect)
void DownloadWidget::startDownload()
{
m_prefix = m_prefixInput->text();
m_dlProgress->setValue(0);
for (int level = m_startLevel; level <= m_levelSpinBox->value(); ++level) {
int max = pow(2, level) - 1;
@ -138,19 +147,19 @@ void DownloadWidget::replyFinished(QNetworkReply *reply)
int level = path.section('/', 1, 1).toInt();
int x = path.section('/', 2, 2).toInt();
QDir base(QDir::homePath()+"/Maps/OSM");
QDir base(QDir::homePath()+"/Maps/"+m_prefix);
base.mkpath(QString("%1/%2").arg(level).arg(x));
QByteArray data = reply->readAll();
if (!data.isEmpty()) {
QFile file(QDir::homePath()+"/Maps/OSM"+path);
QFile file(QDir::homePath()+"/Maps/"+m_prefix+path);
if (file.open(QFile::WriteOnly)) {
file.write(data);
}
}
while (!m_dlList.isEmpty()) {
QUrl url(m_dlList.takeFirst());
if (QFile::exists(QDir::homePath()+"/Maps/OSM"+url.path()) &&
if (QFile::exists(QDir::homePath()+"/Maps/"+m_prefix+url.path()) &&
m_skipExisting->isChecked()) {
int n = m_dlProgress->value();
m_dlProgress->setValue(n+1);

3
downloadwidget.h
View File

@ -22,6 +22,7 @@
#include <QtGui/QCheckBox>
#include <QtGui/QLabel>
#include <QtGui/QLineEdit>
#include <QtGui/QProgressBar>
#include <QtGui/QSpinBox>
#include <QtGui/QWidget>
@ -54,9 +55,11 @@ private:
int m_startLevel;
QRectF m_dlRect;
QStringList m_dlList;
QString m_prefix;
QLabel *m_up, *m_left, *m_right, *m_bottom;
QSpinBox *m_levelSpinBox;
QProgressBar *m_dlProgress;
QLineEdit *m_prefixInput;
QCheckBox *m_skipExisting;
};

12
mapwidget.cpp
View File

@ -115,7 +115,7 @@ MapWidget::MapWidget(QWidget *parent)
m_minIndexYList << 0;
m_maxIndexYList << (1 << i) - 1;
}
m_baseName = QDir::homePath()+"/Maps/OSM/%z/%x/%y.png";
m_baseName = QDir::homePath()+"/Maps/%p/%z/%x/%y.png";
QTimer::singleShot(100, this, SLOT(loadConfig()));
}
@ -597,6 +597,16 @@ QString MapWidget::filename(int x, int y)
sy.prepend(QString(m_yPadding-sy.length(), '0'));
result = m_baseName;
result.replace("%z", level).replace("%x", sx).replace("%y", sy);
if (result.contains("%p")) {
QStringList dirs = QDir(QDir::homePath()+"/Maps/").entryList(QDir::AllDirs|QDir::NoDotAndDotDot);
foreach (const QString &dir, dirs) {
QString tmp = result;
tmp.replace("%p", dir);
if (QFile::exists(tmp)) {
return tmp;
}
}
}
}
return result;
}