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Abstract base class for managing multi-level tree objects stored in JSON format. More...
#include <MultiLevelJsonBase.hpp>
Public Member Functions | |
MultiLevelJsonBase (MultiLevelJsonBase *parent=NULL) | |
void | initFromUrl (const QString &url) |
void | initFromQVariantMap (const QVariantMap &map) |
~MultiLevelJsonBase () | |
QString | getShortName () const |
bool | hasErrorOccured () const |
int | getLevel () const |
QVariantMap | toQVariantMap () const |
void | scheduleChildsDeletion () |
Protected Member Functions | |
virtual void | loadFromQVariantMap (const QVariantMap &map)=0 |
bool | isDeletionScheduled () const |
void | updatePercent (int tot, int numToBeLoaded) |
void | deleteUnusedSubTiles () |
void | cancelDeletion () |
Static Protected Member Functions | |
static QVariantMap | loadFromJSON (QIODevice &input, bool qZcompressed=false, bool gzCompressed=false) |
Protected Attributes | |
QString | shortName |
QString | baseUrl |
QString | contructorUrl |
QList< MultiLevelJsonBase * > | subTiles |
bool | errorOccured |
bool | downloading |
Abstract base class for managing multi-level tree objects stored in JSON format.
The JSON files can be stored on disk or remotely and are loaded into threads.
void MultiLevelJsonBase::initFromQVariantMap | ( | const QVariantMap & | map | ) |
Init the element from a QVariantMap.
This method should be called by the constructors of the subclass.
void MultiLevelJsonBase::initFromUrl | ( | const QString & | url | ) |
Init the element from a URL.
This method should be called by the constructors of the subclass.
virtual void MultiLevelJsonBase::loadFromQVariantMap | ( | const QVariantMap & | map | ) | [protected, pure virtual] |
Load the element from a valid QVariantMap.
This method is called after the JSON files are downloaded and parsed into a QVariantMap.
Implemented in StelSkyImageTile, and StelSkyPolygon.
void MultiLevelJsonBase::scheduleChildsDeletion | ( | ) |
Schedule a deletion for all the childs.
It will practically occur after the delay passed as argument to deleteUnusedTiles() has expired.
QVariantMap MultiLevelJsonBase::toQVariantMap | ( | ) | const |
Convert the image informations to a map following the JSON structure.
It can be saved as JSON using the StelJsonParser methods.
Reimplemented in StelSkyImageTile, and StelSkyPolygon.