Added support for tiles cache clearing

src/gui.cpp

@@ -238,9 +238,13 @@ void GUI::createActions()
 	_showMapAction->setCheckable(true);
 	_showMapAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_M));
 	connect(_showMapAction, SIGNAL(triggered(bool)), this, SLOT(showMap(bool)));
-	if (_maps.empty())
+	_clearMapCacheAction = new QAction(tr("Clear tile cache"), this);
+	connect(_clearMapCacheAction, SIGNAL(triggered()), this,
+	  SLOT(clearMapCache()));
+	if (_maps.empty()) {
 		_showMapAction->setEnabled(false);
-	else {
+		_clearMapCacheAction->setEnabled(false);
+	} else {
 		createMapActions();
 		_showMapAction->setChecked(true);
 	}
@@ -307,6 +311,8 @@ void GUI::createMenus()
 	_mapMenu = menuBar()->addMenu(tr("Map"));
 	_mapMenu->addActions(_mapActions);
 	_mapMenu->addSeparator();
+	_mapMenu->addAction(_clearMapCacheAction);
+	_mapMenu->addSeparator();
 	_mapMenu->addAction(_showMapAction);
 
 	_poiMenu = menuBar()->addMenu(tr("POI"));
@@ -738,6 +744,12 @@ void GUI::showToolbars(bool checked)
 	}
 }
 
+void GUI::clearMapCache()
+{
+	_currentMap->clearCache();
+	_track->redraw();
+}
+
 void GUI::updateStatusBarInfo()
 {
 	if (_files.count() == 0) {

src/gui.h

@@ -45,6 +45,7 @@ private slots:
 	void showMap(bool checked);
 	void showGraphs(bool checked);
 	void showToolbars(bool checked);
+	void clearMapCache();
 
 	void mapChanged(int);
 	void graphChanged(int);
@@ -114,6 +115,7 @@ private:
 	QAction *_closePOIAction;
 	QAction *_showPOIAction;
 	QAction *_showMapAction;
+	QAction *_clearMapCacheAction;
 	QAction *_showGraphsAction;
 	QAction *_showToolbarsAction;
 	QAction *_nextAction;

src/map.cpp

@@ -5,6 +5,8 @@
 #include "config.h"
 #include "map.h"
 
+#include <QDebug>
+
 
 Map::Map(QObject *parent, const QString &name, const QString &url)
   : QObject(parent)
@@ -16,7 +18,7 @@ Map::Map(QObject *parent, const QString &name, const QString &url)
 	  SLOT(emitLoaded()));
 
 	QString path = TILES_DIR + QString("/") + _name;
-	if (!QDir::home().mkpath(path))
+	if (!QDir().mkpath(path))
 		fprintf(stderr, "Error creating tiles dir: %s\n", qPrintable(path));
 }
 
@@ -54,3 +56,13 @@ void Map::loadTiles(QList<Tile> &list)
 	if (!dl.empty())
 		Downloader::instance().get(dl);
 }
+
+void Map::clearCache()
+{
+	QString path = TILES_DIR + QString("/") + _name;
+	QDir dir = QDir(path);
+	QStringList list = dir.entryList();
+
+	for (int i = 0; i < list.count(); i++)
+		dir.remove(list.at(i));
+}

src/map.h

@@ -24,15 +24,16 @@ class Map : public QObject
 {
 	Q_OBJECT
 
-signals:
-	void loaded();
-
 public:
 	Map(QObject *parent = 0, const QString &name = QString(),
 	  const QString &url = QString());
 
 	const QString &name() const {return _name;}
 	void loadTiles(QList<Tile> &list);
+	void clearCache();
+
+signals:
+	void loaded();
 
 private slots:
 	void emitLoaded();

src/trackview.h

@@ -42,8 +42,6 @@ public:
 
 public slots:
 	void movePositionMarker(qreal val);
-
-private slots:
 	void redraw();
 
 private: