Scene2D::Scene2D(const std::string& tmx_file)
: collision()
, layers()
, width_in_tile(0)
, height_in_tile(0)
, tile_size(0)
, tilesetName()
, m_correctly_load(false)
{
std::auto_ptr<TMX::Map> tmx_map = TMX::Loader::LoadFromFile(tmx_file);
width_in_tile = tmx_map->width;
height_in_tile = tmx_map->height;
tile_size = tmx_map->tileWidth;
if(tmx_map->tileWidth != tmx_map->tileHeight)
{
printf("tilemap %s hasn't square tile\n",tmx_file.c_str());
return;
}
std::vector<int> firstGIDList;
if(!loadingTileset(tmx_map.get(),firstGIDList)) return;
if(!loadingLayer(tmx_map.get(),firstGIDList)) return;
m_correctly_load = true;
}
/**
Read map layers from project file
@returns \code QPair< bool, QList<QDomNode> > \endcode
bool is true if function worked; else is false.
list contains nodes corresponding to layers that couldn't be loaded
@note XML of form:
\verbatim
<maplayer type="vector">
<layername>Hydrop</layername>
<datasource>/data/usgs/city_shp/hydrop.shp</datasource>
<zorder>0</zorder>
<provider>ogr</provider>
<singlesymbol>
<renderitem>
<value>blabla</value>
<symbol>
<outlinecolor red="85" green="0" blue="255" />
<outlinestyle>SolidLine</outlinestyle>
<outlinewidth>1</outlinewidth>
<fillcolor red="0" green="170" blue="255" />
<fillpattern>SolidPattern</fillpattern>
</symbol>
<label>blabla</label>
</renderitem>
</singlesymbol>
<label>0</label>
<labelattributes>
<label text="Label" field="" />
<family name="Sans Serif" field="" />
<size value="12" units="pt" field="" />
<bold on="0" field="" />
<italic on="0" field="" />
<underline on="0" field="" />
<color red="0" green="0" blue="0" field="" />
<x field="" />
<y field="" />
<offset units="pt" x="0" xfield="" y="0" yfield="" />
<angle value="0" field="" />
<alignment value="center" field="" />
</labelattributes>
</maplayer>
\endverbatim
*/
QPair< bool, QList<QDomNode> > QgsProject::_getMapLayers( QDomDocument const &doc )
{
// Layer order is set by the restoring the legend settings from project file.
// This is done on the 'readProject( ... )' signal
QDomNodeList nl = doc.elementsByTagName( "maplayer" );
// XXX what is this used for? QString layerCount( QString::number(nl.count()) );
QString wk;
QList<QDomNode> brokenNodes; // a list of Dom nodes corresponding to layers
// that we were unable to load; this could be
// because the layers were removed or
// re-located after the project was last saved
// process the map layer nodes
if ( 0 == nl.count() ) // if we have no layers to process, bail
{
return qMakePair( true, brokenNodes ); // Decided to return "true" since it's
// possible for there to be a project with no
// layers; but also, more imporantly, this
// would cause the tests/qgsproject to fail
// since the test suite doesn't currently
// support test layers
}
bool returnStatus = true;
emit layerLoaded( 0, nl.count() );
//Collect vector layers with joins.
//They need to refresh join caches and symbology infos after all layers are loaded
QList< QPair< QgsVectorLayer*, QDomElement > > vLayerList;
for ( int i = 0; i < nl.count(); i++ )
{
QDomNode node = nl.item( i );
QDomElement element = node.toElement();
QString name = node.namedItem( "layername" ).toElement().text();
if ( !name.isNull() )
emit loadingLayer( tr( "Loading layer %1" ).arg( name ) );
if ( element.attribute( "embedded" ) == "1" )
{
createEmbeddedLayer( element.attribute( "id" ), readPath( element.attribute( "project" ) ), brokenNodes, vLayerList );
continue;
}
else
{
if ( !addLayer( element, brokenNodes, vLayerList ) )
{
returnStatus = false;
}
}
emit layerLoaded( i + 1, nl.count() );
}
//Update field map of layers with joins and create join caches if necessary
//Needs to be done here once all dependent layers are loaded
QList< QPair< QgsVectorLayer*, QDomElement > >::iterator vIt = vLayerList.begin();
for ( ; vIt != vLayerList.end(); ++vIt )
{
vIt->first->createJoinCaches();
vIt->first->updateFields();
}
return qMakePair( returnStatus, brokenNodes );
} // _getMapLayers
