void QgsAttributeTableModel::loadAttributes()
{
if ( !layer() )
{
return;
}
bool ins = false, rm = false;
QgsAttributeList attributes;
const QgsFields& fields = layer()->pendingFields();
mWidgetFactories.clear();
mAttributeWidgetCaches.clear();
mWidgetConfigs.clear();
for ( int idx = 0; idx < fields.count(); ++idx )
{
QgsEditorWidgetFactory* widgetFactory = QgsEditorWidgetRegistry::instance()->factory( layer()->editorWidgetV2( idx ) );
if ( !widgetFactory || !layer() )
continue;
mWidgetFactories.append( widgetFactory );
mWidgetConfigs.append( layer()->editorWidgetV2Config( idx ) );
mAttributeWidgetCaches.append( widgetFactory->createCache( layer(), idx, mWidgetConfigs.last() ) );
attributes << idx;
}
if ( mFieldCount < attributes.size() )
{
ins = true;
beginInsertColumns( QModelIndex(), mFieldCount, attributes.size() - 1 );
}
else if ( attributes.size() < mFieldCount )
{
rm = true;
beginRemoveColumns( QModelIndex(), attributes.size(), mFieldCount - 1 );
}
mFieldCount = attributes.size();
mAttributes = attributes;
if ( ins )
{
endInsertColumns();
}
else if ( rm )
{
endRemoveColumns();
}
}
void QgsAttributeTypeDialog::defaultExpressionChanged()
{
QString expression = mExpressionWidget->expression();
if ( expression.isEmpty() )
{
mDefaultPreviewLabel->setText( QString() );
return;
}
QgsExpressionContext context = mLayer->createExpressionContext();
if ( !mPreviewFeature.isValid() )
{
// get first feature
QgsFeatureIterator it = mLayer->getFeatures( QgsFeatureRequest().setLimit( 1 ) );
it.nextFeature( mPreviewFeature );
}
context.setFeature( mPreviewFeature );
QgsExpression exp = QgsExpression( expression );
exp.prepare( &context );
if ( exp.hasParserError() )
{
mDefaultPreviewLabel->setText( "<i>" + exp.parserErrorString() + "</i>" );
return;
}
QVariant val = exp.evaluate( &context );
if ( exp.hasEvalError() )
{
mDefaultPreviewLabel->setText( "<i>" + exp.evalErrorString() + "</i>" );
return;
}
QString previewText = val.toString();
QgsEditorWidgetFactory *factory = QgsEditorWidgetRegistry::instance()->factory( editorWidgetType() );
if ( factory )
{
previewText = factory->representValue( mLayer, mFieldIdx, editorWidgetConfig(), QVariant(), val );
}
mDefaultPreviewLabel->setText( "<i>" + previewText + "</i>" );
}
void QgsVectorLayerSaveAsDialog::on_mFormatComboBox_currentIndexChanged( int idx )
{
Q_UNUSED( idx );
browseFilename->setEnabled( true );
leFilename->setEnabled( true );
bool selectAllFields = true;
bool fieldsAsDisplayedValues = false;
const QString sFormat( format() );
if ( sFormat == "KML" )
{
mAttributesSelection->setEnabled( true );
selectAllFields = false;
}
else if ( sFormat == "DXF" )
{
mAttributesSelection->setEnabled( false );
selectAllFields = false;
}
else
{
mAttributesSelection->setEnabled( true );
fieldsAsDisplayedValues = ( sFormat == "CSV" || sFormat == "XLS" || sFormat == "XLSX" || sFormat == "ODS" );
}
leLayername->setEnabled( sFormat == "KML" ||
sFormat == "GPKG" ||
sFormat == "XLSX" ||
sFormat == "ODS" ||
sFormat == "FileGDB" ||
sFormat == "SQLite" ||
sFormat == "SpatiaLite" );
if ( !leLayername->isEnabled() )
leLayername->setText( QString() );
else if ( leLayername->text().isEmpty() &&
!leFilename->text().isEmpty() )
{
QString layerName = QFileInfo( leFilename->text() ).baseName();
leLayername->setText( layerName ) ;
}
if ( mLayer )
{
mAttributeTable->setRowCount( mLayer->fields().count() );
bool foundFieldThatCanBeExportedAsDisplayedValue = false;
for ( int i = 0; i < mLayer->fields().size(); ++i )
{
const QgsEditorWidgetSetup setup = QgsEditorWidgetRegistry::instance()->findBest( mLayer, mLayer->fields()[i].name() );
if ( setup.type() != "TextEdit" &&
QgsEditorWidgetRegistry::instance()->factory( setup.type() ) )
{
foundFieldThatCanBeExportedAsDisplayedValue = true;
break;
}
}
if ( foundFieldThatCanBeExportedAsDisplayedValue )
{
mAttributeTable->setColumnCount( 3 );
mAttributeTable->setHorizontalHeaderLabels( QStringList() << tr( "Name" ) << tr( "Type" ) << tr( "Replace with displayed values" ) );
}
else
{
mAttributeTable->setColumnCount( 2 );
mAttributeTable->setHorizontalHeaderLabels( QStringList() << tr( "Name" ) << tr( "Type" ) );
}
mAttributeTableItemChangedSlotEnabled = false;
for ( int i = 0; i < mLayer->fields().size(); ++i )
{
QgsField fld = mLayer->fields().at( i );
Qt::ItemFlags flags = mLayer->providerType() != "oracle" || !fld.typeName().contains( "SDO_GEOMETRY" ) ? Qt::ItemIsEnabled : Qt::NoItemFlags;
QTableWidgetItem *item;
item = new QTableWidgetItem( fld.name() );
item->setFlags( flags | Qt::ItemIsUserCheckable );
item->setCheckState(( selectAllFields ) ? Qt::Checked : Qt::Unchecked );
mAttributeTable->setItem( i, COLUMN_IDX_NAME, item );
item = new QTableWidgetItem( fld.typeName() );
item->setFlags( flags );
mAttributeTable->setItem( i, COLUMN_IDX_TYPE, item );
if ( foundFieldThatCanBeExportedAsDisplayedValue )
{
const QgsEditorWidgetSetup setup = QgsEditorWidgetRegistry::instance()->findBest( mLayer, mLayer->fields()[i].name() );
QgsEditorWidgetFactory *factory = nullptr;
if ( flags == Qt::ItemIsEnabled &&
setup.type() != "TextEdit" &&
( factory = QgsEditorWidgetRegistry::instance()->factory( setup.type() ) ) )
{
item = new QTableWidgetItem( tr( "Use %1" ).arg( factory->name() ) );
item->setFlags(( selectAllFields ) ? ( Qt::ItemIsEnabled | Qt::ItemIsUserCheckable ) : Qt::ItemIsUserCheckable );
item->setCheckState(( selectAllFields && fieldsAsDisplayedValues ) ? Qt::Checked : Qt::Unchecked );
mAttributeTable->setItem( i, COLUMN_IDX_EXPORT_AS_DISPLAYED_VALUE, item );
}
else
{
item = new QTableWidgetItem();
item->setFlags( Qt::NoItemFlags );
mAttributeTable->setItem( i, COLUMN_IDX_EXPORT_AS_DISPLAYED_VALUE, item );
}
}
}
mAttributeTableItemChangedSlotEnabled = true;
mReplaceRawFieldValuesStateChangedSlotEnabled = false;
mReplaceRawFieldValues->setChecked( selectAllFields && fieldsAsDisplayedValues );
mReplaceRawFieldValuesStateChangedSlotEnabled = true;
mReplaceRawFieldValues->setEnabled( selectAllFields );
mReplaceRawFieldValues->setVisible( foundFieldThatCanBeExportedAsDisplayedValue );
mAttributeTable->resizeColumnsToContents();
}
QgsVectorFileWriter::MetaData driverMetaData;
while ( mDatasourceOptionsGroupBox->layout()->count() )
{
QLayoutItem* item = mDatasourceOptionsGroupBox->layout()->takeAt( 0 );
delete item->widget();
delete item;
}
while ( mLayerOptionsGroupBox->layout()->count() )
{
QLayoutItem* item = mLayerOptionsGroupBox->layout()->takeAt( 0 );
delete item->widget();
delete item;
}
// workaround so the Q_FOREACH macro does not get confused by the ','
typedef QPair<QLabel*, QWidget*> LabelControlPair;
if ( QgsVectorFileWriter::driverMetadata( format(), driverMetaData ) )
{
if ( driverMetaData.driverOptions.size() != 0 )
{
mDatasourceOptionsGroupBox->setVisible( true );
QList<QPair<QLabel*, QWidget*> > controls = createControls( driverMetaData.driverOptions );
QFormLayout* datasourceLayout = dynamic_cast<QFormLayout*>( mDatasourceOptionsGroupBox->layout() );
Q_FOREACH ( LabelControlPair control, controls )
{
datasourceLayout->addRow( control.first, control.second );
}
}
void QgsVectorLayerSaveAsDialog::on_mFormatComboBox_currentIndexChanged( int idx )
{
Q_UNUSED( idx );
browseFilename->setEnabled( true );
leFilename->setEnabled( true );
if ( format() == "KML" )
{
mEncodingComboBox->setCurrentIndex( mEncodingComboBox->findText( "UTF-8" ) );
mEncodingComboBox->setDisabled( true );
mAttributesSelection->setChecked( true );
}
else if ( format() == "DXF" )
{
mAttributesSelection->setChecked( true );
mAttributesSelection->setDisabled( true );
}
else
{
mEncodingComboBox->setEnabled( true );
mAttributesSelection->setEnabled( true );
}
if ( mLayer )
{
mAttributeTable->setRowCount( mLayer->fields().count() );
bool foundFieldThatCanBeExportedAsDisplayedValue = false;
for ( int i = 0; i < mLayer->fields().size(); ++i )
{
QgsEditorWidgetFactory *factory;
if ( mLayer->editFormConfig()->widgetType( i ) != "TextEdit" &&
( factory = QgsEditorWidgetRegistry::instance()->factory( mLayer->editFormConfig()->widgetType( i ) ) ) )
{
foundFieldThatCanBeExportedAsDisplayedValue = true;
break;
}
}
if ( foundFieldThatCanBeExportedAsDisplayedValue )
{
mAttributeTable->setColumnCount( 3 );
mAttributeTable->setHorizontalHeaderLabels( QStringList() << tr( "Name" ) << tr( "Type" ) << tr( "Replace with displayed values" ) );
}
else
{
mAttributeTable->setColumnCount( 2 );
mAttributeTable->setHorizontalHeaderLabels( QStringList() << tr( "Name" ) << tr( "Type" ) );
mReplaceRawFieldValues->setVisible( false );
}
mAttributeTableItemChangedSlotEnabled = false;
for ( int i = 0; i < mLayer->fields().size(); ++i )
{
const QgsField &fld = mLayer->fields().at( i );
Qt::ItemFlags flags = mLayer->providerType() != "oracle" || !fld.typeName().contains( "SDO_GEOMETRY" ) ? Qt::ItemIsEnabled : Qt::NoItemFlags;
QTableWidgetItem *item;
item = new QTableWidgetItem( fld.name() );
item->setFlags( flags | Qt::ItemIsUserCheckable );
item->setCheckState( Qt::Unchecked );
mAttributeTable->setItem( i, COLUMN_IDX_NAME, item );
item = new QTableWidgetItem( fld.typeName() );
item->setFlags( flags );
mAttributeTable->setItem( i, COLUMN_IDX_TYPE, item );
if ( foundFieldThatCanBeExportedAsDisplayedValue )
{
QgsEditorWidgetFactory *factory;
if ( mLayer->editFormConfig()->widgetType( i ) != "TextEdit" &&
( factory = QgsEditorWidgetRegistry::instance()->factory( mLayer->editFormConfig()->widgetType( i ) ) ) )
{
item = new QTableWidgetItem( tr( "Use %1" ).arg( factory->name() ) );
item->setFlags( Qt::ItemIsUserCheckable );
item->setCheckState( Qt::Unchecked );
mAttributeTable->setItem( i, COLUMN_IDX_EXPORT_AS_DISPLAYED_VALUE, item );
}
else
{
item = new QTableWidgetItem();
item->setFlags( Qt::NoItemFlags );
mAttributeTable->setItem( i, COLUMN_IDX_EXPORT_AS_DISPLAYED_VALUE, item );
}
}
}
mAttributeTableItemChangedSlotEnabled = true;
mReplaceRawFieldValues->setEnabled( false );
mAttributeTable->resizeColumnsToContents();
}
QgsVectorFileWriter::MetaData driverMetaData;
while ( mDatasourceOptionsGroupBox->layout()->count() )
{
QLayoutItem* item = mDatasourceOptionsGroupBox->layout()->takeAt( 0 );
delete item->widget();
delete item;
}
while ( mLayerOptionsGroupBox->layout()->count() )
{
QLayoutItem* item = mLayerOptionsGroupBox->layout()->takeAt( 0 );
delete item->widget();
delete item;
}
// workaround so the Q_FOREACH macro does not get confused by the ','
typedef QPair<QLabel*, QWidget*> LabelControlPair;
if ( QgsVectorFileWriter::driverMetadata( format(), driverMetaData ) )
{
if ( driverMetaData.driverOptions.size() != 0 )
{
mDatasourceOptionsGroupBox->setVisible( true );
QList<QPair<QLabel*, QWidget*> > controls = createControls( driverMetaData.driverOptions );
QFormLayout* datasourceLayout = dynamic_cast<QFormLayout*>( mDatasourceOptionsGroupBox->layout() );
Q_FOREACH ( LabelControlPair control, controls )
{
datasourceLayout->addRow( control.first, control.second );
}
}
