QString QgsMapLayer::loadNamedStyle( const QString &theURI, bool &theResultFlag )
{
QgsDebugMsg( QString( "uri = %1 myURI = %2" ).arg( theURI ).arg( publicSource() ) );
theResultFlag = false;
QDomDocument myDocument( "qgis" );
// location of problem associated with errorMsg
int line, column;
QString myErrorMessage;
QFile myFile( theURI );
if ( myFile.open( QFile::ReadOnly ) )
{
// read file
theResultFlag = myDocument.setContent( &myFile, &myErrorMessage, &line, &column );
if ( !theResultFlag )
myErrorMessage = tr( "%1 at line %2 column %3" ).arg( myErrorMessage ).arg( line ).arg( column );
myFile.close();
}
else
{
QFileInfo project( QgsProject::instance()->fileName() );
QgsDebugMsg( QString( "project fileName: %1" ).arg( project.absoluteFilePath() ) );
QString qml;
if ( loadNamedStyleFromDb( QDir( QgsApplication::qgisSettingsDirPath() ).absoluteFilePath( "qgis.qmldb" ), theURI, qml ) ||
( project.exists() && loadNamedStyleFromDb( project.absoluteDir().absoluteFilePath( project.baseName() + ".qmldb" ), theURI, qml ) ) ||
loadNamedStyleFromDb( QDir( QgsApplication::pkgDataPath() ).absoluteFilePath( "resources/qgis.qmldb" ), theURI, qml ) )
{
theResultFlag = myDocument.setContent( qml, &myErrorMessage, &line, &column );
if ( !theResultFlag )
{
myErrorMessage = tr( "%1 at line %2 column %3" ).arg( myErrorMessage ).arg( line ).arg( column );
}
}
else
{
myErrorMessage = tr( "style not found in database" );
}
}
if ( !theResultFlag )
{
return myErrorMessage;
}
// get style file version string, if any
QgsProjectVersion fileVersion( myDocument.firstChildElement( "qgis" ).attribute( "version" ) );
QgsProjectVersion thisVersion( QGis::QGIS_VERSION );
if ( thisVersion > fileVersion )
{
QgsLogger::warning( "Loading a style file that was saved with an older "
"version of qgis (saved in " + fileVersion.text() +
", loaded in " + QGis::QGIS_VERSION +
"). Problems may occur." );
QgsProjectFileTransform styleFile( myDocument, fileVersion );
// styleFile.dump();
styleFile.updateRevision( thisVersion );
// styleFile.dump();
}
// now get the layer node out and pass it over to the layer
// to deserialise...
QDomElement myRoot = myDocument.firstChildElement( "qgis" );
if ( myRoot.isNull() )
{
myErrorMessage = tr( "Error: qgis element could not be found in %1" ).arg( theURI );
theResultFlag = false;
return myErrorMessage;
}
// use scale dependent visibility flag
toggleScaleBasedVisibility( myRoot.attribute( "hasScaleBasedVisibilityFlag" ).toInt() == 1 );
setMinimumScale( myRoot.attribute( "minimumScale" ).toFloat() );
setMaximumScale( myRoot.attribute( "maximumScale" ).toFloat() );
#if 0
//read transparency level
QDomNode transparencyNode = myRoot.namedItem( "transparencyLevelInt" );
if ( ! transparencyNode.isNull() )
{
// set transparency level only if it's in project
// (otherwise it sets the layer transparent)
QDomElement myElement = transparencyNode.toElement();
setTransparency( myElement.text().toInt() );
}
#endif
QString errorMsg;
theResultFlag = readSymbology( myRoot, errorMsg );
if ( !theResultFlag )
{
myErrorMessage = tr( "Loading style file %1 failed because:\n%2" ).arg( theURI ).arg( errorMsg );
return myErrorMessage;
}
return "";
}
bool QgsMapLayer::readLayerXML( const QDomElement& layerElement )
{
QgsCoordinateReferenceSystem savedCRS;
CUSTOM_CRS_VALIDATION savedValidation;
bool layerError;
QDomNode mnl;
QDomElement mne;
// read provider
QString provider;
mnl = layerElement.namedItem( "provider" );
mne = mnl.toElement();
provider = mne.text();
// set data source
mnl = layerElement.namedItem( "datasource" );
mne = mnl.toElement();
mDataSource = mne.text();
// TODO: this should go to providers
if ( provider == "spatialite" )
{
QgsDataSourceURI uri( mDataSource );
uri.setDatabase( QgsProject::instance()->readPath( uri.database() ) );
mDataSource = uri.uri();
}
else if ( provider == "ogr" )
{
QStringList theURIParts = mDataSource.split( "|" );
theURIParts[0] = QgsProject::instance()->readPath( theURIParts[0] );
mDataSource = theURIParts.join( "|" );
}
else if ( provider == "delimitedtext" )
{
QUrl urlSource = QUrl::fromEncoded( mDataSource.toAscii() );
if ( !mDataSource.startsWith( "file:" ) )
{
QUrl file = QUrl::fromLocalFile( mDataSource.left( mDataSource.indexOf( "?" ) ) );
urlSource.setScheme( "file" );
urlSource.setPath( file.path() );
}
QUrl urlDest = QUrl::fromLocalFile( QgsProject::instance()->readPath( urlSource.toLocalFile() ) );
urlDest.setQueryItems( urlSource.queryItems() );
mDataSource = QString::fromAscii( urlDest.toEncoded() );
}
else if ( provider == "wms" )
{
// >>> BACKWARD COMPATIBILITY < 1.9
// For project file backward compatibility we must support old format:
// 1. mode: <url>
// example: http://example.org/wms?
// 2. mode: tiled=<width>;<height>;<resolution>;<resolution>...,ignoreUrl=GetMap;GetFeatureInfo,featureCount=<count>,username=<name>,password=<password>,url=<url>
// example: tiled=256;256;0.703;0.351,url=http://example.org/tilecache?
// example: featureCount=10,http://example.org/wms?
// example: ignoreUrl=GetMap;GetFeatureInfo,username=cimrman,password=jara,url=http://example.org/wms?
// This is modified version of old QgsWmsProvider::parseUri
// The new format has always params crs,format,layers,styles and that params
// should not appear in old format url -> use them to identify version
if ( !mDataSource.contains( "crs=" ) && !mDataSource.contains( "format=" ) )
{
QgsDebugMsg( "Old WMS URI format detected -> converting to new format" );
QgsDataSourceURI uri;
if ( !mDataSource.startsWith( "http:" ) )
{
QStringList parts = mDataSource.split( "," );
QStringListIterator iter( parts );
while ( iter.hasNext() )
{
QString item = iter.next();
if ( item.startsWith( "username="******"username", item.mid( 9 ) );
}
else if ( item.startsWith( "password="******"password", item.mid( 9 ) );
}
else if ( item.startsWith( "tiled=" ) )
{
// in < 1.9 tiled= may apper in to variants:
// tiled=width;height - non tiled mode, specifies max width and max height
// tiled=width;height;resolutions-1;resolution2;... - tile mode
QStringList params = item.mid( 6 ).split( ";" );
if ( params.size() == 2 ) // non tiled mode
{
uri.setParam( "maxWidth", params.takeFirst() );
uri.setParam( "maxHeight", params.takeFirst() );
}
else if ( params.size() > 2 ) // tiled mode
{
// resolutions are no more needed and size limit is not used for tiles
// we have to tell to the provider however that it is tiled
uri.setParam( "tileMatrixSet", "" );
}
}
else if ( item.startsWith( "featureCount=" ) )
{
uri.setParam( "featureCount", item.mid( 13 ) );
}
else if ( item.startsWith( "url=" ) )
{
uri.setParam( "url", item.mid( 4 ) );
}
else if ( item.startsWith( "ignoreUrl=" ) )
{
uri.setParam( "ignoreUrl", item.mid( 10 ).split( ";" ) );
}
}
}
else
{
uri.setParam( "url", mDataSource );
}
mDataSource = uri.encodedUri();
// At this point, the URI is obviously incomplete, we add additional params
// in QgsRasterLayer::readXml
}
// <<< BACKWARD COMPATIBILITY < 1.9
}
else
{
mDataSource = QgsProject::instance()->readPath( mDataSource );
}
// Set the CRS from project file, asking the user if necessary.
// Make it the saved CRS to have WMS layer projected correctly.
// We will still overwrite whatever GDAL etc picks up anyway
// further down this function.
mnl = layerElement.namedItem( "layername" );
mne = mnl.toElement();
QDomNode srsNode = layerElement.namedItem( "srs" );
mCRS->readXML( srsNode );
mCRS->setValidationHint( tr( "Specify CRS for layer %1" ).arg( mne.text() ) );
mCRS->validate();
savedCRS = *mCRS;
// Do not validate any projections in children, they will be overwritten anyway.
// No need to ask the user for a projections when it is overwritten, is there?
savedValidation = QgsCoordinateReferenceSystem::customSrsValidation();
QgsCoordinateReferenceSystem::setCustomSrsValidation( NULL );
// now let the children grab what they need from the Dom node.
layerError = !readXml( layerElement );
// overwrite CRS with what we read from project file before the raster/vector
// file readnig functions changed it. They will if projections is specfied in the file.
// FIXME: is this necessary?
QgsCoordinateReferenceSystem::setCustomSrsValidation( savedValidation );
*mCRS = savedCRS;
// Abort if any error in layer, such as not found.
if ( layerError )
{
return false;
}
// the internal name is just the data source basename
//QFileInfo dataSourceFileInfo( mDataSource );
//internalName = dataSourceFileInfo.baseName();
// set ID
mnl = layerElement.namedItem( "id" );
if ( ! mnl.isNull() )
{
mne = mnl.toElement();
if ( ! mne.isNull() && mne.text().length() > 10 ) // should be at least 17 (yyyyMMddhhmmsszzz)
{
mID = mne.text();
}
}
// use scale dependent visibility flag
toggleScaleBasedVisibility( layerElement.attribute( "hasScaleBasedVisibilityFlag" ).toInt() == 1 );
setMinimumScale( layerElement.attribute( "minimumScale" ).toFloat() );
setMaximumScale( layerElement.attribute( "maximumScale" ).toFloat() );
// set name
mnl = layerElement.namedItem( "layername" );
mne = mnl.toElement();
setLayerName( mne.text() );
//title
QDomElement titleElem = layerElement.firstChildElement( "title" );
if ( !titleElem.isNull() )
{
mTitle = titleElem.text();
}
//abstract
QDomElement abstractElem = layerElement.firstChildElement( "abstract" );
if ( !abstractElem.isNull() )
{
mAbstract = abstractElem.text();
}
//keywordList
QDomElement keywordListElem = layerElement.firstChildElement( "keywordList" );
if ( !keywordListElem.isNull() )
{
QStringList kwdList;
for ( QDomNode n = keywordListElem.firstChild(); !n.isNull(); n = n.nextSibling() )
{
kwdList << n.toElement().text();
}
mKeywordList = kwdList.join( ", " );
}
//metadataUrl
QDomElement dataUrlElem = layerElement.firstChildElement( "dataUrl" );
if ( !dataUrlElem.isNull() )
{
mDataUrl = dataUrlElem.text();
mDataUrlFormat = dataUrlElem.attribute( "format", "" );
}
//attribution
QDomElement attribElem = layerElement.firstChildElement( "attribution" );
if ( !attribElem.isNull() )
{
mAttribution = attribElem.text();
mAttributionUrl = attribElem.attribute( "href", "" );
}
//metadataUrl
QDomElement metaUrlElem = layerElement.firstChildElement( "metadataUrl" );
if ( !metaUrlElem.isNull() )
{
mMetadataUrl = metaUrlElem.text();
mMetadataUrlType = metaUrlElem.attribute( "type", "" );
mMetadataUrlFormat = metaUrlElem.attribute( "format", "" );
}
#if 0
//read transparency level
QDomNode transparencyNode = layer_node.namedItem( "transparencyLevelInt" );
if ( ! transparencyNode.isNull() )
{
// set transparency level only if it's in project
// (otherwise it sets the layer transparent)
QDomElement myElement = transparencyNode.toElement();
setTransparency( myElement.text().toInt() );
}
#endif
readCustomProperties( layerElement );
return true;
} // bool QgsMapLayer::readLayerXML
bool QgsMapLayer::readXML( const QDomNode& layer_node )
{
QgsCoordinateReferenceSystem savedCRS;
CUSTOM_CRS_VALIDATION savedValidation;
bool layerError;
QDomElement element = layer_node.toElement();
QDomNode mnl;
QDomElement mne;
// read provider
QString provider;
mnl = layer_node.namedItem( "provider" );
mne = mnl.toElement();
provider = mne.text();
// set data source
mnl = layer_node.namedItem( "datasource" );
mne = mnl.toElement();
mDataSource = mne.text();
if ( provider == "spatialite" )
{
QgsDataSourceURI uri( mDataSource );
uri.setDatabase( QgsProject::instance()->readPath( uri.database() ) );
mDataSource = uri.uri();
}
else if ( provider == "ogr" )
{
QStringList theURIParts = mDataSource.split( "|" );
theURIParts[0] = QgsProject::instance()->readPath( theURIParts[0] );
mDataSource = theURIParts.join( "|" );
}
else if ( provider == "delimitedtext" )
{
QUrl urlSource = QUrl::fromEncoded( mDataSource.toAscii() );
if ( !mDataSource.startsWith( "file:" ) )
{
QUrl file = QUrl::fromLocalFile( mDataSource.left( mDataSource.indexOf( "?" ) ) );
urlSource.setScheme( "file" );
urlSource.setPath( file.path() );
}
QUrl urlDest = QUrl::fromLocalFile( QgsProject::instance()->readPath( urlSource.toLocalFile() ) );
urlDest.setQueryItems( urlSource.queryItems() );
mDataSource = QString::fromAscii( urlDest.toEncoded() );
}
else
{
mDataSource = QgsProject::instance()->readPath( mDataSource );
}
// Set the CRS from project file, asking the user if necessary.
// Make it the saved CRS to have WMS layer projected correctly.
// We will still overwrite whatever GDAL etc picks up anyway
// further down this function.
mnl = layer_node.namedItem( "layername" );
mne = mnl.toElement();
QDomNode srsNode = layer_node.namedItem( "srs" );
mCRS->readXML( srsNode );
mCRS->setValidationHint( tr( "Specify CRS for layer %1" ).arg( mne.text() ) );
mCRS->validate();
savedCRS = *mCRS;
// Do not validate any projections in children, they will be overwritten anyway.
// No need to ask the user for a projections when it is overwritten, is there?
savedValidation = QgsCoordinateReferenceSystem::customSrsValidation();
QgsCoordinateReferenceSystem::setCustomSrsValidation( NULL );
// now let the children grab what they need from the Dom node.
layerError = !readXml( layer_node );
// overwrite CRS with what we read from project file before the raster/vector
// file readnig functions changed it. They will if projections is specfied in the file.
// FIXME: is this necessary?
QgsCoordinateReferenceSystem::setCustomSrsValidation( savedValidation );
*mCRS = savedCRS;
// Abort if any error in layer, such as not found.
if ( layerError )
{
return false;
}
// the internal name is just the data source basename
//QFileInfo dataSourceFileInfo( mDataSource );
//internalName = dataSourceFileInfo.baseName();
// set ID
mnl = layer_node.namedItem( "id" );
if ( ! mnl.isNull() )
{
mne = mnl.toElement();
if ( ! mne.isNull() && mne.text().length() > 10 ) // should be at least 17 (yyyyMMddhhmmsszzz)
{
mID = mne.text();
}
}
// use scale dependent visibility flag
toggleScaleBasedVisibility( element.attribute( "hasScaleBasedVisibilityFlag" ).toInt() == 1 );
setMinimumScale( element.attribute( "minimumScale" ).toFloat() );
setMaximumScale( element.attribute( "maximumScale" ).toFloat() );
// set name
mnl = layer_node.namedItem( "layername" );
mne = mnl.toElement();
setLayerName( mne.text() );
//title
QDomElement titleElem = layer_node.firstChildElement( "title" );
if ( !titleElem.isNull() )
{
mTitle = titleElem.text();
}
//abstract
QDomElement abstractElem = layer_node.firstChildElement( "abstract" );
if ( !abstractElem.isNull() )
{
mAbstract = abstractElem.text();
}
//read transparency level
QDomNode transparencyNode = layer_node.namedItem( "transparencyLevelInt" );
if ( ! transparencyNode.isNull() )
{
// set transparency level only if it's in project
// (otherwise it sets the layer transparent)
QDomElement myElement = transparencyNode.toElement();
setTransparency( myElement.text().toInt() );
}
readCustomProperties( layer_node );
return true;
} // void QgsMapLayer::readXML
void QgsScaleRangeWidget::setScaleRange( double min, double max )
{
setMaximumScale( max );
setMinimumScale( min );
}
int QDeclarativePinch::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
if (_id < 11)
qt_static_metacall(this, _c, _id, _a);
_id -= 11;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< QGraphicsObject**>(_v) = target(); break;
case 1: *reinterpret_cast< qreal*>(_v) = minimumScale(); break;
case 2: *reinterpret_cast< qreal*>(_v) = maximumScale(); break;
case 3: *reinterpret_cast< qreal*>(_v) = minimumRotation(); break;
case 4: *reinterpret_cast< qreal*>(_v) = maximumRotation(); break;
case 5: *reinterpret_cast< Axis*>(_v) = axis(); break;
case 6: *reinterpret_cast< qreal*>(_v) = xmin(); break;
case 7: *reinterpret_cast< qreal*>(_v) = xmax(); break;
case 8: *reinterpret_cast< qreal*>(_v) = ymin(); break;
case 9: *reinterpret_cast< qreal*>(_v) = ymax(); break;
case 10: *reinterpret_cast< bool*>(_v) = active(); break;
}
_id -= 11;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setTarget(*reinterpret_cast< QGraphicsObject**>(_v)); break;
case 1: setMinimumScale(*reinterpret_cast< qreal*>(_v)); break;
case 2: setMaximumScale(*reinterpret_cast< qreal*>(_v)); break;
case 3: setMinimumRotation(*reinterpret_cast< qreal*>(_v)); break;
case 4: setMaximumRotation(*reinterpret_cast< qreal*>(_v)); break;
case 5: setAxis(*reinterpret_cast< Axis*>(_v)); break;
case 6: setXmin(*reinterpret_cast< qreal*>(_v)); break;
case 7: setXmax(*reinterpret_cast< qreal*>(_v)); break;
case 8: setYmin(*reinterpret_cast< qreal*>(_v)); break;
case 9: setYmax(*reinterpret_cast< qreal*>(_v)); break;
}
_id -= 11;
} else if (_c == QMetaObject::ResetProperty) {
switch (_id) {
case 0: resetTarget(); break;
}
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 11;
}
#endif // QT_NO_PROPERTIES
return _id;
}