QVector<QgsDataItem*> QgsWMSConnectionItem::createChildren()
{
QgsDebugMsg( "Entered" );
QVector<QgsDataItem*> children;
QgsDataSourceURI uri;
uri.setEncodedUri( mUri );
QgsDebugMsg( "mUri = " + mUri );
QgsWmsSettings wmsSettings;
if ( !wmsSettings.parseUri( mUri ) )
{
children.append( new QgsErrorItem( this, tr( "Failed to parse WMS URI" ), mPath + "/error" ) );
return children;
}
QgsWmsCapabilitiesDownload capDownload( wmsSettings.baseUrl(), wmsSettings.authorization() );
bool res = capDownload.downloadCapabilities();
if ( !res )
{
children.append( new QgsErrorItem( this, tr( "Failed to download capabilities" ), mPath + "/error" ) );
return children;
}
QgsWmsCapabilities caps;
if ( !caps.parseResponse( capDownload.response(), wmsSettings.parserSettings() ) )
{
children.append( new QgsErrorItem( this, tr( "Failed to parse capabilities" ), mPath + "/error" ) );
return children;
}
// Attention: supportedLayers() gives tree leafs, not top level
QVector<QgsWmsLayerProperty> layerProperties = caps.supportedLayers();
if ( layerProperties.count() )
{
QgsWmsCapabilitiesProperty capabilitiesProperty = caps.capabilitiesProperty();
const QgsWmsCapabilityProperty& capabilityProperty = capabilitiesProperty.capability;
// Top level layer is present max once
// <element name="Capability">
// <element ref="wms:Layer" minOccurs="0"/> - default maxOccurs=1
const QgsWmsLayerProperty &topLayerProperty = capabilityProperty.layer;
foreach ( const QgsWmsLayerProperty &layerProperty, topLayerProperty.layer )
{
// Attention, the name may be empty
QgsDebugMsg( QString::number( layerProperty.orderId ) + " " + layerProperty.name + " " + layerProperty.title );
QString pathName = layerProperty.name.isEmpty() ? QString::number( layerProperty.orderId ) : layerProperty.name;
QgsWMSLayerItem *layer = new QgsWMSLayerItem( this, layerProperty.title, mPath + "/" + pathName, capabilitiesProperty, uri, layerProperty );
children << layer;
}
}
QVector<QgsDataItem*> QgsWMSConnectionItem::createChildren()
{
QVector<QgsDataItem*> children;
QgsDataSourceURI uri;
uri.setEncodedUri( mUri );
QgsDebugMsg( "mUri = " + mUri );
QgsWmsSettings wmsSettings;
if ( !wmsSettings.parseUri( mUri ) )
{
children.append( new QgsErrorItem( this, tr( "Failed to parse WMS URI" ), mPath + "/error" ) );
return children;
}
bool res = mCapabilitiesDownload->downloadCapabilities( wmsSettings.baseUrl(), wmsSettings.authorization() );
if ( !res )
{
children.append( new QgsErrorItem( this, tr( "Failed to download capabilities" ), mPath + "/error" ) );
return children;
}
QgsWmsCapabilities caps;
if ( !caps.parseResponse( mCapabilitiesDownload->response(), wmsSettings.parserSettings() ) )
{
children.append( new QgsErrorItem( this, tr( "Failed to parse capabilities" ), mPath + "/error" ) );
return children;
}
// Attention: supportedLayers() gives tree leafs, not top level
QVector<QgsWmsLayerProperty> layerProperties = caps.supportedLayers();
if ( !layerProperties.isEmpty() )
{
QgsWmsCapabilitiesProperty capabilitiesProperty = caps.capabilitiesProperty();
const QgsWmsCapabilityProperty& capabilityProperty = capabilitiesProperty.capability;
// If we have several top-level layers, or if we just have one single top-level layer,
// then use those top-level layers directly
if ( capabilityProperty.layers.size() > 1 ||
( capabilityProperty.layers.size() == 1 && capabilityProperty.layers[0].layer.size() == 0 ) )
{
Q_FOREACH ( const QgsWmsLayerProperty& layerProperty, capabilityProperty.layers )
{
// Attention, the name may be empty
QgsDebugMsg( QString::number( layerProperty.orderId ) + ' ' + layerProperty.name + ' ' + layerProperty.title );
QString pathName = layerProperty.name.isEmpty() ? QString::number( layerProperty.orderId ) : layerProperty.name;
QgsWMSLayerItem *layer = new QgsWMSLayerItem( this, layerProperty.title, mPath + '/' + pathName, capabilitiesProperty, uri, layerProperty );
children << layer;
}
}
QgsGrassGisLib::Raster QgsGrassGisLib::raster( QString name )
{
QgsDebugMsg( "name = " + name );
foreach ( Raster raster, mRasters )
{
if ( raster.name == name ) return raster;
}
QString providerKey;
QString dataSource;
int band = 1;
if ( name.contains( "provider=" ) ) // encoded uri
{
QgsDataSourceURI uri;
uri.setEncodedUri( name.toLocal8Bit() );
if ( uri.hasParam( "band" ) )
{
band = uri.param( "band" ).toInt();
}
providerKey = uri.param( "provider" );
if ( providerKey == "gdal" )
{
dataSource = uri.param( "path" );
}
else
{
uri.removeParam( "band" );
uri.removeParam( "provider" );
dataSource = uri.encodedUri();
}
}
else // simple GDAL path
{
providerKey = "gdal";
dataSource = name;
band = 1;
}
QgsDebugMsg( "providerKey = " + providerKey );
QgsDebugMsg( "dataSource = " + dataSource );
QgsDebugMsg( QString( "band = %1" ).arg( band ) );
Raster raster;
raster.name = name;
raster.band = band;
raster.provider = ( QgsRasterDataProvider* )QgsProviderRegistry::instance()->provider( providerKey, dataSource );
if ( !raster.provider || !raster.provider->isValid() )
{
// No fatal, it may be used to test file existence
//fatal( "Cannot load raster provider with data source: " + dataSource );
}
else
{
raster.input = raster.provider;
if ( band < 1 || band > raster.provider->bandCount() )
{
fatal( "Band out of range" );
}
QgsDebugMsg( QString( "mCrs valid = %1 = %2" ).arg( mCrs.isValid() ).arg( mCrs.toProj4() ) );
QgsDebugMsg( QString( "crs valid = %1 = %2" ).arg( raster.provider->crs().isValid() ).arg( raster.provider->crs().toProj4() ) );
if ( mCrs.isValid() )
{
// GDAL provider loads data without CRS as EPSG:4326!!! Verify, it should give
// invalid CRS instead.
if ( !raster.provider->crs().isValid() )
{
fatal( "Output CRS specified but input CRS is unknown" );
}
if ( mCrs != raster.provider->crs() )
{
raster.projector = new QgsRasterProjector();
raster.projector->setCRS( raster.provider->crs(), mCrs );
raster.projector->setInput( raster.provider );
raster.input = raster.projector;
}
}
}
raster.fd = mRasters.size();
mRasters.insert( raster.fd, raster );
return raster;
}
