QSizeF QgsHistogramDiagram::diagramSize( const QgsAttributes& attributes, const QgsRenderContext& c, const QgsDiagramSettings& s )
{
Q_UNUSED( c );
QSizeF size;
if ( attributes.count() == 0 )
{
return QSizeF(); //zero size if no attributes
}
double maxValue = attributes.at( 0 ).toDouble();
for ( int i = 0; i < attributes.count(); ++i )
{
maxValue = qMax( attributes.at( i ).toDouble(), maxValue );
}
switch ( s.diagramOrientation )
{
case QgsDiagramSettings::Up:
case QgsDiagramSettings::Down:
mScaleFactor = maxValue / s.size.height();
size.scale( s.barWidth * s.categoryColors.size(), s.size.height(), Qt::IgnoreAspectRatio );
break;
case QgsDiagramSettings::Right:
case QgsDiagramSettings::Left:
default: // just in case...
mScaleFactor = maxValue / s.size.width();
size.scale( s.size.width(), s.barWidth * s.categoryColors.size(), Qt::IgnoreAspectRatio );
break;
}
return size;
}
bool QgsVectorLayerImport::addFeature( QgsFeature& feat )
{
QgsAttributes attrs = feat.attributes();
QgsFeature newFeat;
if ( feat.constGeometry() )
newFeat.setGeometry( *feat.constGeometry() );
newFeat.initAttributes( mAttributeCount );
for ( int i = 0; i < attrs.count(); ++i )
{
// add only mapped attributes (un-mapped ones will not be present in the
// destination layer)
int dstIdx = mOldToNewAttrIdx.value( i, -1 );
if ( dstIdx < 0 )
continue;
QgsDebugMsgLevel( QString( "moving field from pos %1 to %2" ).arg( i ).arg( dstIdx ), 3 );
newFeat.setAttribute( dstIdx, attrs.at( i ) );
}
mFeatureBuffer.append( newFeat );
if ( mFeatureBuffer.count() >= FEATURE_BUFFER_SIZE )
{
return flushBuffer();
}
return true;
}
QString QgsPointDisplacementRenderer::getLabel( const QgsFeature& f )
{
QString attribute;
QgsAttributes attrs = f.attributes();
if ( mLabelIndex >= 0 && mLabelIndex < attrs.count() )
{
attribute = attrs[mLabelIndex].toString();
}
return attribute;
}
QVariant RgSpeedProperter::property( double distance, const QgsFeature& f ) const
{
QgsAttributes attrs = f.attributes();
if ( mAttributeId < 0 || mAttributeId >= attrs.count() )
return QVariant( distance / ( mDefaultValue*mToMetricFactor ) );
double val = distance / ( attrs.at( mAttributeId ).toDouble() * mToMetricFactor );
if ( val <= 0.0 )
return QVariant( distance / ( mDefaultValue / mToMetricFactor ) );
return QVariant( val );
}
QVariant QgsGraduatedSymbolRenderer::valueForFeature( QgsFeature &feature, QgsRenderContext &context ) const
{
QgsAttributes attrs = feature.attributes();
QVariant value;
if ( mAttrNum < 0 || mAttrNum >= attrs.count() )
{
value = mExpression->evaluate( &context.expressionContext() );
}
else
{
value = attrs.at( mAttrNum );
}
return value;
}
QgsSymbolV2* QgsGraduatedSymbolRendererV2::originalSymbolForFeature( QgsFeature& feature )
{
QgsAttributes attrs = feature.attributes();
QVariant value;
if ( mAttrNum < 0 || mAttrNum >= attrs.count() )
{
value = mExpression->evaluate( &feature );
}
else
{
value = attrs[mAttrNum];
}
// Null values should not be categorized
if ( value.isNull() )
return NULL;
// find the right category
return symbolForValue( value.toDouble() );
}
void QgsOfflineEditing::applyFeaturesAdded( QgsVectorLayer* offlineLayer, QgsVectorLayer* remoteLayer, sqlite3* db, int layerId )
{
QString sql = QString( "SELECT \"fid\" FROM 'log_added_features' WHERE \"layer_id\" = %1" ).arg( layerId );
QList<int> newFeatureIds = sqlQueryInts( db, sql );
// get new features from offline layer
QgsFeatureList features;
for ( int i = 0; i < newFeatureIds.size(); i++ )
{
QgsFeature feature;
if ( offlineLayer->getFeatures( QgsFeatureRequest().setFilterFid( newFeatureIds.at( i ) ) ).nextFeature( feature ) )
{
features << feature;
}
}
// copy features to remote layer
emit progressModeSet( QgsOfflineEditing::AddFeatures, features.size() );
int i = 1;
int newAttrsCount = remoteLayer->pendingFields().count();
for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it )
{
QgsFeature f = *it;
// NOTE: Spatialite provider ignores position of geometry column
// restore gap in QgsAttributeMap if geometry column is not last (WORKAROUND)
QMap<int, int> attrLookup = attributeLookup( offlineLayer, remoteLayer );
QgsAttributes newAttrs( newAttrsCount );
QgsAttributes attrs = f.attributes();
for ( int it = 0; it < attrs.count(); ++it )
{
newAttrs[ attrLookup[ it ] ] = attrs[ it ];
}
f.setAttributes( newAttrs );
remoteLayer->addFeature( f, false );
emit progressUpdated( i++ );
}
}
QWidget *QgsFormAnnotation::createDesignerWidget( const QString &filePath )
{
QFile file( filePath );
if ( !file.open( QFile::ReadOnly ) )
{
return nullptr;
}
QUiLoader loader;
QFileInfo fi( file );
loader.setWorkingDirectory( fi.dir() );
QWidget *widget = loader.load( &file, nullptr );
file.close();
//get feature and set attribute information
QgsAttributeEditorContext context;
QgsVectorLayer *vectorLayer = qobject_cast< QgsVectorLayer * >( mapLayer() );
if ( vectorLayer && associatedFeature().isValid() )
{
QgsFields fields = vectorLayer->fields();
QgsAttributes attrs = associatedFeature().attributes();
for ( int i = 0; i < attrs.count(); ++i )
{
if ( i < fields.count() )
{
QWidget *attWidget = widget->findChild<QWidget *>( fields.at( i ).name() );
if ( attWidget )
{
QgsEditorWidgetWrapper *eww = QgsGui::editorWidgetRegistry()->create( vectorLayer, i, attWidget, widget, context );
if ( eww )
{
eww->setValue( attrs.at( i ) );
}
}
}
}
}
return widget;
}
/**
* Slot called when the index changes for the cboxCompassBearingField combo box.
* @param theIndex - The index of the new selected item
*/
void eVisGenericEventBrowserGui::on_cboxCompassOffsetField_currentIndexChanged( int theIndex )
{
Q_UNUSED( theIndex );
if ( !mIgnoreEvent )
{
mConfiguration.setCompassOffsetField( cboxCompassOffsetField->currentText() );
QgsFields myFields = mDataProvider->fields();
QgsFeature* myFeature = featureAtId( mFeatureIds.at( mCurrentFeatureIndex ) );
if ( !myFeature )
return;
QgsAttributes myAttrs = myFeature->attributes();
for ( int i = 0; i < myAttrs.count(); ++i )
{
if ( myFields.at( i ).name() == cboxCompassOffsetField->currentText() )
{
mCompassOffset = myAttrs.at( i ).toDouble();
}
}
}
}
void QgsVectorLayerEditBuffer::updateChangedAttributes( QgsFeature &f )
{
QgsAttributes attrs = f.attributes();
// remove all attributes that will disappear - from higher indices to lower
for ( int idx = mDeletedAttributeIds.count() - 1; idx >= 0; --idx )
{
attrs.remove( mDeletedAttributeIds[idx] );
}
// adjust size to accommodate added attributes
attrs.resize( attrs.count() + mAddedAttributes.count() );
// update changed attributes
if ( mChangedAttributeValues.contains( f.id() ) )
{
const QgsAttributeMap &map = mChangedAttributeValues[f.id()];
for ( QgsAttributeMap::const_iterator it = map.begin(); it != map.end(); ++it )
attrs[it.key()] = it.value();
}
f.setAttributes( attrs );
}
/**
* Slot called when the index changes for the cboxEventImagePathField combo box.
* \param index - The index of the new selected item
*/
void eVisGenericEventBrowserGui::cboxEventImagePathField_currentIndexChanged( int index )
{
Q_UNUSED( index );
if ( !mIgnoreEvent )
{
mConfiguration.setEventImagePathField( cboxEventImagePathField->currentText() );
QgsFields myFields = mVectorLayer->fields();
QgsFeature *myFeature = featureAtId( mFeatureIds.at( mCurrentFeatureIndex ) );
if ( !myFeature )
return;
QgsAttributes myAttrs = myFeature->attributes();
for ( int i = 0; i < myAttrs.count(); ++i )
{
if ( myFields.at( i ).name() == cboxEventImagePathField->currentText() )
{
mEventImagePath = myAttrs.at( i ).toString();
}
}
}
}
QString QgsClipboard::generateClipboardText() const
{
QgsSettings settings;
CopyFormat format = AttributesWithWKT;
if ( settings.contains( QStringLiteral( "/qgis/copyFeatureFormat" ) ) )
format = static_cast< CopyFormat >( settings.value( QStringLiteral( "qgis/copyFeatureFormat" ), true ).toInt() );
else
{
//old format setting
format = settings.value( QStringLiteral( "qgis/copyGeometryAsWKT" ), true ).toBool() ? AttributesWithWKT : AttributesOnly;
}
switch ( format )
{
case AttributesOnly:
case AttributesWithWKT:
{
QStringList textLines;
QStringList textFields;
// first do the field names
if ( format == AttributesWithWKT )
{
textFields += QStringLiteral( "wkt_geom" );
}
Q_FOREACH ( const QgsField &field, mFeatureFields )
{
textFields += field.name();
}
textLines += textFields.join( QStringLiteral( "\t" ) );
textFields.clear();
// then the field contents
for ( QgsFeatureList::const_iterator it = mFeatureClipboard.constBegin(); it != mFeatureClipboard.constEnd(); ++it )
{
QgsAttributes attributes = it->attributes();
// TODO: Set up Paste Transformations to specify the order in which fields are added.
if ( format == AttributesWithWKT )
{
if ( it->hasGeometry() )
textFields += it->geometry().exportToWkt();
else
{
textFields += QgsApplication::nullRepresentation();
}
}
// QgsDebugMsg("about to traverse fields.");
for ( int idx = 0; idx < attributes.count(); ++idx )
{
// QgsDebugMsg(QString("inspecting field '%1'.").arg(it2->toString()));
textFields += attributes.at( idx ).toString();
}
textLines += textFields.join( QStringLiteral( "\t" ) );
textFields.clear();
}
return textLines.join( QStringLiteral( "\n" ) );
}
case GeoJSON:
{
QgsJSONExporter exporter;
exporter.setSourceCrs( mCRS );
return exporter.exportFeatures( mFeatureClipboard );
}
}
return QString();
}
/**
* Display the attrbiutes for the current feature and load the image
*/
void eVisGenericEventBrowserGui::loadRecord()
{
treeEventData->clear();
//Get a pointer to the current feature
QgsFeature* myFeature;
myFeature = featureAtId( mFeatureIds.at( mCurrentFeatureIndex ) );
if ( !myFeature )
return;
QString myCompassBearingField = cboxCompassBearingField->currentText();
QString myCompassOffsetField = cboxCompassOffsetField->currentText();
QString myEventImagePathField = cboxEventImagePathField->currentText();
QgsFields myFields = mDataProvider->fields();
QgsAttributes myAttrs = myFeature->attributes();
//loop through the attributes and display their contents
for ( int i = 0; i < myAttrs.count(); ++i )
{
QStringList myValues;
QString fieldName = myFields.at( i ).name();
myValues << fieldName << myAttrs.at( i ).toString();
QTreeWidgetItem* myItem = new QTreeWidgetItem( myValues );
if ( fieldName == myEventImagePathField )
{
mEventImagePath = myAttrs.at( i ).toString();
}
if ( fieldName == myCompassBearingField )
{
mCompassBearing = myAttrs.at( i ).toDouble();
}
if ( mConfiguration.isAttributeCompassOffsetSet() )
{
if ( fieldName == myCompassOffsetField )
{
mCompassOffset = myAttrs.at( i ).toDouble();
}
}
else
{
mCompassOffset = 0.0;
}
//Check to see if the attribute is a know file type
int myIterator = 0;
while ( myIterator < tableFileTypeAssociations->rowCount() )
{
if ( tableFileTypeAssociations->item( myIterator, 0 ) && ( myAttrs.at( i ).toString().startsWith( tableFileTypeAssociations->item( myIterator, 0 )->text() + ':', Qt::CaseInsensitive ) || myAttrs.at( i ).toString().endsWith( tableFileTypeAssociations->item( myIterator, 0 )->text(), Qt::CaseInsensitive ) ) )
{
myItem->setBackground( 1, QBrush( QColor( 183, 216, 125, 255 ) ) );
break;
}
else
myIterator++;
}
treeEventData->addTopLevelItem( myItem );
}
//Modify EventImagePath as needed
buildEventImagePath();
//Request the image to be displayed in the browser
displayImage();
}
void QgsClipboard::setSystemClipboard()
{
// Replace the system clipboard.
QSettings settings;
bool copyWKT = settings.value( "qgis/copyGeometryAsWKT", true ).toBool();
QStringList textLines;
QStringList textFields;
// first do the field names
if ( copyWKT )
{
textFields += "wkt_geom";
}
Q_FOREACH ( const QgsField& field, mFeatureFields )
{
textFields += field.name();
}
textLines += textFields.join( "\t" );
textFields.clear();
// then the field contents
for ( QgsFeatureList::const_iterator it = mFeatureClipboard.constBegin(); it != mFeatureClipboard.constEnd(); ++it )
{
QgsAttributes attributes = it->attributes();
// TODO: Set up Paste Transformations to specify the order in which fields are added.
if ( copyWKT )
{
if ( it->constGeometry() )
textFields += it->constGeometry()->exportToWkt();
else
{
textFields += settings.value( "qgis/nullValue", "NULL" ).toString();
}
}
// QgsDebugMsg("about to traverse fields.");
for ( int idx = 0; idx < attributes.count(); ++idx )
{
// QgsDebugMsg(QString("inspecting field '%1'.").arg(it2->toString()));
textFields += attributes.at( idx ).toString();
}
textLines += textFields.join( "\t" );
textFields.clear();
}
QString textCopy = textLines.join( "\n" );
QClipboard *cb = QApplication::clipboard();
// Copy text into the clipboard
// With qgis running under Linux, but with a Windows based X
// server (Xwin32), ::Selection was necessary to get the data into
// the Windows clipboard (which seems contrary to the Qt
// docs). With a Linux X server, ::Clipboard was required.
// The simple solution was to put the text into both clipboards.
#ifdef Q_OS_LINUX
cb->setText( textCopy, QClipboard::Selection );
#endif
cb->setText( textCopy, QClipboard::Clipboard );
QgsDebugMsgLevel( QString( "replaced system clipboard with: %1." ).arg( textCopy ), 4 );
}
bool QgsGPXProvider::addFeature( QgsFeature& f )
{
const unsigned char* geo = f.constGeometry()->asWkb();
QGis::WkbType wkbType = f.constGeometry()->wkbType();
bool success = false;
QgsGPSObject* obj = NULL;
QgsAttributes attrs = f.attributes();
QgsAttributeMap::const_iterator it;
// is it a waypoint?
if ( mFeatureType == WaypointType && geo != NULL && wkbType == QGis::WKBPoint )
{
// add geometry
QgsWaypoint wpt;
std::memcpy( &wpt.lon, geo + 5, sizeof( double ) );
std::memcpy( &wpt.lat, geo + 13, sizeof( double ) );
// add waypoint-specific attributes
for ( int i = 0; i < attrs.count(); ++i )
{
if ( indexToAttr[i] == EleAttr )
{
bool eleIsOK;
double ele = attrs.at( i ).toDouble( &eleIsOK );
if ( eleIsOK )
wpt.ele = ele;
}
else if ( indexToAttr[i] == SymAttr )
{
wpt.sym = attrs.at( i ).toString();
}
}
QgsGPSData::WaypointIterator iter = data->addWaypoint( wpt );
success = true;
obj = &( *iter );
}
// is it a route?
if ( mFeatureType == RouteType && geo != NULL && wkbType == QGis::WKBLineString )
{
QgsRoute rte;
// reset bounds
rte.xMin = std::numeric_limits<double>::max();
rte.xMax = -std::numeric_limits<double>::max();
rte.yMin = std::numeric_limits<double>::max();
rte.yMax = -std::numeric_limits<double>::max();
// add geometry
int nPoints;
std::memcpy( &nPoints, geo + 5, 4 );
for ( int i = 0; i < nPoints; ++i )
{
double lat, lon;
std::memcpy( &lon, geo + 9 + 16 * i, sizeof( double ) );
std::memcpy( &lat, geo + 9 + 16 * i + 8, sizeof( double ) );
QgsRoutepoint rtept;
rtept.lat = lat;
rtept.lon = lon;
rte.points.push_back( rtept );
rte.xMin = rte.xMin < lon ? rte.xMin : lon;
rte.xMax = rte.xMax > lon ? rte.xMax : lon;
rte.yMin = rte.yMin < lat ? rte.yMin : lat;
rte.yMax = rte.yMax > lat ? rte.yMax : lat;
}
// add route-specific attributes
for ( int i = 0; i < attrs.count(); ++i )
{
if ( indexToAttr[i] == NumAttr )
{
bool numIsOK;
long num = attrs.at( i ).toInt( &numIsOK );
if ( numIsOK )
rte.number = num;
}
}
QgsGPSData::RouteIterator iter = data->addRoute( rte );
success = true;
obj = &( *iter );
}
// is it a track?
if ( mFeatureType == TrackType && geo != NULL && wkbType == QGis::WKBLineString )
{
QgsTrack trk;
QgsTrackSegment trkseg;
// reset bounds
trk.xMin = std::numeric_limits<double>::max();
trk.xMax = -std::numeric_limits<double>::max();
trk.yMin = std::numeric_limits<double>::max();
trk.yMax = -std::numeric_limits<double>::max();
// add geometry
int nPoints;
std::memcpy( &nPoints, geo + 5, 4 );
for ( int i = 0; i < nPoints; ++i )
{
double lat, lon;
std::memcpy( &lon, geo + 9 + 16 * i, sizeof( double ) );
std::memcpy( &lat, geo + 9 + 16 * i + 8, sizeof( double ) );
QgsTrackpoint trkpt;
trkpt.lat = lat;
trkpt.lon = lon;
trkseg.points.push_back( trkpt );
trk.xMin = trk.xMin < lon ? trk.xMin : lon;
trk.xMax = trk.xMax > lon ? trk.xMax : lon;
trk.yMin = trk.yMin < lat ? trk.yMin : lat;
trk.yMax = trk.yMax > lat ? trk.yMax : lat;
}
// add track-specific attributes
for ( int i = 0; i < attrs.count(); ++i )
{
if ( indexToAttr[i] == NumAttr )
{
bool numIsOK;
long num = attrs.at( i ).toInt( &numIsOK );
if ( numIsOK )
trk.number = num;
}
}
trk.segments.push_back( trkseg );
QgsGPSData::TrackIterator iter = data->addTrack( trk );
success = true;
obj = &( *iter );
}
// add common attributes
if ( obj )
{
for ( int i = 0; i < attrs.count(); ++i )
{
switch ( indexToAttr[i] )
{
case NameAttr: obj->name = attrs.at( i ).toString(); break;
case CmtAttr: obj->cmt = attrs.at( i ).toString(); break;
case DscAttr: obj->desc = attrs.at( i ).toString(); break;
case SrcAttr: obj->src = attrs.at( i ).toString(); break;
case URLAttr: obj->url = attrs.at( i ).toString(); break;
case URLNameAttr: obj->urlname = attrs.at( i ).toString(); break;
}
}
}
return success;
}
bool QgsDb2Provider::addFeatures( QgsFeatureList & flist )
{
QgsDebugMsg( "mGeometryColType: " + mGeometryColType );
int writeCount = 0;
bool copyOperation = false;
if ( !mDatabase.isOpen() )
{
QString errMsg;
mDatabase = getDatabase( mConnInfo, errMsg );
if ( !errMsg.isEmpty() )
{
QgsDebugMsg( "getDatabase failed: " + errMsg );
return false;
}
}
if ( !mDatabase.transaction() )
{
QgsDebugMsg( "transaction failed" );
return false;
}
QSqlQuery query = QSqlQuery( mDatabase );
query.setForwardOnly( true );
QSqlQuery queryFid = QSqlQuery( mDatabase );
queryFid.setForwardOnly( true );
QgsFeature it = flist.at( 0 );
QString statement;
QString values;
statement = QString( "INSERT INTO %1.%2 (" ).arg( mSchemaName, mTableName );
bool first = true;
// Get the first geometry and its wkbType as when we are doing drag/drop,
// the wkbType is not passed to the DB2 provider from QgsVectorLayerImport
// Can't figure out how to resolved "unreferenced" wkbType compile message
// Don't really do anything with it at this point
#if 0
QgsGeometry *geom = it.geometry();
QgsWkbTypes::Type wkbType = geom->wkbType();
QgsDebugMsg( QString( "wkbType: %1" ).arg( wkbType ) );
QgsDebugMsg( QString( "mWkbType: %1" ).arg( mWkbType ) );
#endif
QgsAttributes attrs = it.attributes();
QgsDebugMsg( QString( "attrs.count: %1" ).arg( attrs.count() ) );
QgsDebugMsg( QString( "fields.count: %1" ).arg( mAttributeFields.count() ) );
if ( mAttributeFields.count() == ( attrs.count() + 1 ) )
{
copyOperation = true; // FID is first field but no attribute in attrs
}
else if ( mAttributeFields.count() != attrs.count() )
{
QgsDebugMsg( "Count mismatch - failing" );
return false;
}
if ( attrs.count() != mAttributeFields.count() )
{
QgsDebugMsg( "field counts don't match" );
// return false;
}
for ( int i = 0; i < mAttributeFields.count(); ++i )
{
QgsField fld = mAttributeFields.at( i );
QgsDebugMsg( QString( "i: %1; got field: %2" ).arg( i ).arg( fld.name() ) );
if ( fld.name().isEmpty() )
continue; // invalid
if ( mFidColName == fld.name() )
continue; // skip identity field
// if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) )
// continue; // skip fields having default values
if ( !first )
{
statement += ',';
values += ',';
}
else
first = false;
statement += QString( "%1" ).arg( fld.name() );
values += QString( "?" );
}
// append geometry column name
if ( !mGeometryColName.isEmpty() )
{
if ( !first )
{
statement += ',';
values += ',';
}
statement += QString( "%1" ).arg( mGeometryColName );
values += QString( "db2gse.%1(CAST (%2 AS BLOB(2M)),%3)" )
.arg( mGeometryColType,
QString( "?" ),
QString::number( mSRId ) );
}
QgsDebugMsg( statement );
QgsDebugMsg( values );
statement += ") VALUES (" + values + ')';
QgsDebugMsg( statement );
QgsDebugMsg( "Prepare statement" );
// use prepared statement to prevent from sql injection
if ( !query.prepare( statement ) )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
pushError( msg );
return false;
}
for ( QgsFeatureList::iterator it = flist.begin(); it != flist.end(); ++it )
{
attrs = it->attributes();
int fieldIdx = 0;
if ( copyOperation )
{
fieldIdx = 1; // skip first (FID) field if copying from shapefile
}
int bindIdx = 0;
for ( int i = 0; i < attrs.count(); i++ )
{
QgsField fld = mAttributeFields.at( fieldIdx++ );
if ( fld.name().isEmpty() )
continue; // invalid
if ( mFidColName == fld.name() )
continue; // skip identity field
// if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) )
// continue; // skip fields having default values
QVariant::Type type = fld.type();
if ( attrs.at( i ).isNull() || !attrs.at( i ).isValid() )
{
// binding null values
if ( type == QVariant::Date || type == QVariant::DateTime )
query.bindValue( bindIdx, QVariant( QVariant::String ) );
else
query.bindValue( bindIdx, QVariant( type ) );
}
else if ( type == QVariant::Int )
{
// binding an INTEGER value
query.bindValue( bindIdx, attrs.at( i ).toInt() );
}
else if ( type == QVariant::Double )
{
// binding a DOUBLE value
query.bindValue( bindIdx, attrs.at( i ).toDouble() );
}
else if ( type == QVariant::String )
{
// binding a TEXT value
query.bindValue( bindIdx, attrs.at( i ).toString() );
}
else if ( type == QVariant::Time )
{
// binding a TIME value
query.bindValue( bindIdx, attrs.at( i ).toTime().toString( Qt::ISODate ) );
}
else if ( type == QVariant::Date )
{
// binding a DATE value
query.bindValue( bindIdx, attrs.at( i ).toDate().toString( Qt::ISODate ) );
}
else if ( type == QVariant::DateTime )
{
// binding a DATETIME value
query.bindValue( bindIdx, attrs.at( i ).toDateTime().toString( Qt::ISODate ) );
}
else
{
query.bindValue( bindIdx, attrs.at( i ) );
}
#if 0
QgsDebugMsg( QString( "bound i: %1; name: %2; value: %3; bindIdx: %4" ).
arg( i ).arg( fld.name() ).arg( attrs.at( i ).toString() ).arg( bindIdx ) );
#endif
bindIdx++;
}
if ( !mGeometryColName.isEmpty() )
{
QgsGeometry geom = it->geometry();
QByteArray bytea = QByteArray(( char* )geom.asWkb(), ( int ) geom.wkbSize() );
query.bindValue( bindIdx, bytea, QSql::In | QSql::Binary );
}
QList<QVariant> list = query.boundValues().values();
// Show bound values
#if 0
for ( int i = 0; i < list.size(); ++i )
{
QgsDebugMsg( QString( "i: %1; value: %2; type: %3" )
.arg( i ).arg( list.at( i ).toString().toLatin1().data() ).arg( list.at( i ).typeName() ) );
}
#endif
if ( !query.exec() )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
if ( !mSkipFailures )
{
pushError( msg );
return false;
}
}
statement = QString( "select IDENTITY_VAL_LOCAL() AS IDENTITY "
"FROM SYSIBM.SYSDUMMY1" );
// QgsDebugMsg( statement );
if ( !queryFid.exec( statement ) )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
if ( !mSkipFailures )
{
pushError( msg );
return false;
}
}
if ( !queryFid.next() )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
if ( !mSkipFailures )
{
pushError( msg );
return false;
}
}
it->setFeatureId( queryFid.value( 0 ).toLongLong() );
writeCount++;
// QgsDebugMsg( QString( "count: %1; featureId: %2" ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) );
}
bool commitStatus = mDatabase.commit();
QgsDebugMsg( QString( "commitStatus: %1; write count: %2; featureId: %3" )
.arg( commitStatus ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) );
if ( !commitStatus )
{
pushError( "Commit of new features failed" );
return false;
}
return true;
}
int QgsVectorLayerEditUtils::splitFeatures( const QList<QgsPoint>& splitLine, bool topologicalEditing )
{
if ( !L->hasGeometryType() )
return 4;
QgsFeatureList newFeatures; //store all the newly created features
double xMin, yMin, xMax, yMax;
QgsRectangle bBox; //bounding box of the split line
int returnCode = 0;
int splitFunctionReturn; //return code of QgsGeometry::splitGeometry
int numberOfSplittedFeatures = 0;
QgsFeatureList featureList;
const QgsFeatureIds selectedIds = L->selectedFeaturesIds();
if ( selectedIds.size() > 0 ) //consider only the selected features if there is a selection
{
featureList = L->selectedFeatures();
}
else //else consider all the feature that intersect the bounding box of the split line
{
if ( boundingBoxFromPointList( splitLine, xMin, yMin, xMax, yMax ) == 0 )
{
bBox.setXMinimum( xMin ); bBox.setYMinimum( yMin );
bBox.setXMaximum( xMax ); bBox.setYMaximum( yMax );
}
else
{
return 1;
}
if ( bBox.isEmpty() )
{
//if the bbox is a line, try to make a square out of it
if ( bBox.width() == 0.0 && bBox.height() > 0 )
{
bBox.setXMinimum( bBox.xMinimum() - bBox.height() / 2 );
bBox.setXMaximum( bBox.xMaximum() + bBox.height() / 2 );
}
else if ( bBox.height() == 0.0 && bBox.width() > 0 )
{
bBox.setYMinimum( bBox.yMinimum() - bBox.width() / 2 );
bBox.setYMaximum( bBox.yMaximum() + bBox.width() / 2 );
}
else
{
return 2;
}
}
QgsFeatureIterator fit = L->getFeatures( QgsFeatureRequest().setFilterRect( bBox ).setFlags( QgsFeatureRequest::ExactIntersect ) );
QgsFeature f;
while ( fit.nextFeature( f ) )
featureList << QgsFeature( f );
}
QgsFeatureList::iterator select_it = featureList.begin();
for ( ; select_it != featureList.end(); ++select_it )
{
if ( !select_it->geometry() )
{
continue;
}
QList<QgsGeometry*> newGeometries;
QList<QgsPoint> topologyTestPoints;
QgsGeometry* newGeometry = 0;
splitFunctionReturn = select_it->geometry()->splitGeometry( splitLine, newGeometries, topologicalEditing, topologyTestPoints );
if ( splitFunctionReturn == 0 )
{
//change this geometry
L->editBuffer()->changeGeometry( select_it->id(), select_it->geometry() );
//insert new features
for ( int i = 0; i < newGeometries.size(); ++i )
{
newGeometry = newGeometries.at( i );
QgsFeature newFeature;
newFeature.setGeometry( newGeometry );
//use default value where possible (primary key issue), otherwise the value from the original (split) feature
QgsAttributes newAttributes = select_it->attributes();
QVariant defaultValue;
for ( int j = 0; j < newAttributes.count(); ++j )
{
defaultValue = L->dataProvider()->defaultValue( j );
if ( !defaultValue.isNull() )
{
newAttributes[ j ] = defaultValue;
}
}
newFeature.setAttributes( newAttributes );
newFeatures.append( newFeature );
}
if ( topologicalEditing )
{
QList<QgsPoint>::const_iterator topol_it = topologyTestPoints.constBegin();
for ( ; topol_it != topologyTestPoints.constEnd(); ++topol_it )
{
addTopologicalPoints( *topol_it );
}
}
++numberOfSplittedFeatures;
}
else if ( splitFunctionReturn > 1 ) //1 means no split but also no error
{
returnCode = splitFunctionReturn;
}
}
if ( numberOfSplittedFeatures == 0 && selectedIds.size() > 0 )
{
//There is a selection but no feature has been split.
//Maybe user forgot that only the selected features are split
returnCode = 4;
}
//now add the new features to this vectorlayer
L->editBuffer()->addFeatures( newFeatures );
return returnCode;
}
void QgsOfflineEditing::copyVectorLayer( QgsVectorLayer* layer, sqlite3* db, const QString& offlineDbPath )
{
if ( layer == NULL )
{
return;
}
QString tableName = layer->name();
// create table
QString sql = QString( "CREATE TABLE '%1' (" ).arg( tableName );
QString delim = "";
const QgsFields& fields = layer->dataProvider()->fields();
for ( int idx = 0; idx < fields.count(); ++idx )
{
QString dataType = "";
QVariant::Type type = fields[idx].type();
if ( type == QVariant::Int )
{
dataType = "INTEGER";
}
else if ( type == QVariant::Double )
{
dataType = "REAL";
}
else if ( type == QVariant::String )
{
dataType = "TEXT";
}
else
{
showWarning( tr( "Unknown data type %1" ).arg( type ) );
}
sql += delim + QString( "'%1' %2" ).arg( fields[idx].name() ).arg( dataType );
delim = ",";
}
sql += ")";
// add geometry column
QString geomType = "";
switch ( layer->wkbType() )
{
case QGis::WKBPoint:
geomType = "POINT";
break;
case QGis::WKBMultiPoint:
geomType = "MULTIPOINT";
break;
case QGis::WKBLineString:
geomType = "LINESTRING";
break;
case QGis::WKBMultiLineString:
geomType = "MULTILINESTRING";
break;
case QGis::WKBPolygon:
geomType = "POLYGON";
break;
case QGis::WKBMultiPolygon:
geomType = "MULTIPOLYGON";
break;
default:
showWarning( tr( "QGIS wkbType %1 not supported" ).arg( layer->wkbType() ) );
break;
};
QString sqlAddGeom = QString( "SELECT AddGeometryColumn('%1', 'Geometry', %2, '%3', 2)" )
.arg( tableName )
.arg( layer->crs().authid().startsWith( "EPSG:", Qt::CaseInsensitive ) ? layer->crs().authid().mid( 5 ).toLong() : 0 )
.arg( geomType );
// create spatial index
QString sqlCreateIndex = QString( "SELECT CreateSpatialIndex('%1', 'Geometry')" ).arg( tableName );
int rc = sqlExec( db, sql );
if ( rc == SQLITE_OK )
{
rc = sqlExec( db, sqlAddGeom );
if ( rc == SQLITE_OK )
{
rc = sqlExec( db, sqlCreateIndex );
}
}
if ( rc == SQLITE_OK )
{
// add new layer
QgsVectorLayer* newLayer = new QgsVectorLayer( QString( "dbname='%1' table='%2'(Geometry) sql=" )
.arg( offlineDbPath ).arg( tableName ), tableName + " (offline)", "spatialite" );
if ( newLayer->isValid() )
{
// mark as offline layer
newLayer->setCustomProperty( CUSTOM_PROPERTY_IS_OFFLINE_EDITABLE, true );
// store original layer source
newLayer->setCustomProperty( CUSTOM_PROPERTY_REMOTE_SOURCE, layer->source() );
newLayer->setCustomProperty( CUSTOM_PROPERTY_REMOTE_PROVIDER, layer->providerType() );
// copy style
bool hasLabels = layer->hasLabelsEnabled();
if ( !hasLabels )
{
// NOTE: copy symbology before adding the layer so it is displayed correctly
copySymbology( layer, newLayer );
}
// register this layer with the central layers registry
QgsMapLayerRegistry::instance()->addMapLayers(
QList<QgsMapLayer *>() << newLayer );
if ( hasLabels )
{
// NOTE: copy symbology of layers with labels enabled after adding to project, as it will crash otherwise (WORKAROUND)
copySymbology( layer, newLayer );
}
// TODO: layer order
// copy features
newLayer->startEditing();
QgsFeature f;
// NOTE: force feature recount for PostGIS layer, else only visible features are counted, before iterating over all features (WORKAROUND)
layer->setSubsetString( "" );
QgsFeatureIterator fit = layer->getFeatures();
emit progressModeSet( QgsOfflineEditing::CopyFeatures, layer->featureCount() );
int featureCount = 1;
QList<QgsFeatureId> remoteFeatureIds;
while ( fit.nextFeature( f ) )
{
remoteFeatureIds << f.id();
// NOTE: Spatialite provider ignores position of geometry column
// fill gap in QgsAttributeMap if geometry column is not last (WORKAROUND)
int column = 0;
QgsAttributes attrs = f.attributes();
QgsAttributes newAttrs( attrs.count() );
for ( int it = 0; it < attrs.count(); ++it )
{
newAttrs[column++] = attrs[it];
}
f.setAttributes( newAttrs );
newLayer->addFeature( f, false );
emit progressUpdated( featureCount++ );
}
if ( newLayer->commitChanges() )
{
emit progressModeSet( QgsOfflineEditing::ProcessFeatures, layer->featureCount() );
featureCount = 1;
// update feature id lookup
int layerId = getOrCreateLayerId( db, newLayer->id() );
QList<QgsFeatureId> offlineFeatureIds;
QgsFeatureIterator fit = newLayer->getFeatures( QgsFeatureRequest().setFlags( QgsFeatureRequest::NoGeometry ).setSubsetOfAttributes( QgsAttributeList() ) );
while ( fit.nextFeature( f ) )
{
offlineFeatureIds << f.id();
}
// NOTE: insert fids in this loop, as the db is locked during newLayer->nextFeature()
sqlExec( db, "BEGIN" );
int remoteCount = remoteFeatureIds.size();
for ( int i = 0; i < remoteCount; i++ )
{
addFidLookup( db, layerId, offlineFeatureIds.at( i ), remoteFeatureIds.at( remoteCount - ( i + 1 ) ) );
emit progressUpdated( featureCount++ );
}
sqlExec( db, "COMMIT" );
}
else
{
showWarning( newLayer->commitErrors().join( "\n" ) );
}
// remove remote layer
QgsMapLayerRegistry::instance()->removeMapLayers(
QStringList() << layer->id() );
}
}
}