QList<QgsLabelFeature*> QgsVectorLayerDiagramProvider::labelFeatures( QgsRenderContext &context )
{
if ( !mSource )
{
// we have created the provider with "own feature loop" == false
// so it is assumed that prepare() has been already called followed by registerFeature() calls
return mFeatures;
}
QSet<QString> attributeNames;
if ( !prepare( context, attributeNames ) )
return QList<QgsLabelFeature*>();
QgsRectangle layerExtent = context.extent();
if ( mSettings.coordinateTransform().isValid() )
layerExtent = mSettings.coordinateTransform().transformBoundingBox( context.extent(), QgsCoordinateTransform::ReverseTransform );
QgsFeatureRequest request;
request.setFilterRect( layerExtent );
request.setSubsetOfAttributes( attributeNames, mFields );
QgsFeatureIterator fit = mSource->getFeatures( request );
QgsFeature fet;
while ( fit.nextFeature( fet ) )
{
registerFeature( fet, context );
}
return mFeatures;
}
void QgsDualView::extentChanged()
{
QgsFeatureRequest r = mMasterModel->request();
if ( mFilterModel->mapCanvas() && ( r.filterType() != QgsFeatureRequest::FilterNone || !r.filterRect().isNull() ) )
{
QgsRectangle rect = mFilterModel->mapCanvas()->mapSettings().mapToLayerCoordinates( mLayer, mFilterModel->mapCanvas()->extent() );
r.setFilterRect( rect );
mMasterModel->setRequest( r );
mMasterModel->loadLayer();
}
emit filterChanged();
}
QgsAttributeTableDialog::QgsAttributeTableDialog( QgsVectorLayer *theLayer, QWidget *parent, Qt::WindowFlags flags )
: QDialog( parent, flags )
, mDock( nullptr )
, mLayer( theLayer )
, mRubberBand( nullptr )
, mCurrentSearchWidgetWrapper( nullptr )
{
setupUi( this );
// Fix selection color on loosing focus (Windows)
setStyleSheet( QgisApp::instance()->styleSheet() );
setAttribute( Qt::WA_DeleteOnClose );
QSettings settings;
// Initialize the window geometry
restoreGeometry( settings.value( "/Windows/BetterAttributeTable/geometry" ).toByteArray() );
QgsAttributeEditorContext context;
myDa = new QgsDistanceArea();
myDa->setSourceCrs( mLayer->crs() );
myDa->setEllipsoidalMode( QgisApp::instance()->mapCanvas()->mapSettings().hasCrsTransformEnabled() );
myDa->setEllipsoid( QgsProject::instance()->readEntry( "Measure", "/Ellipsoid", GEO_NONE ) );
context.setDistanceArea( *myDa );
context.setVectorLayerTools( QgisApp::instance()->vectorLayerTools() );
QgsFeatureRequest r;
if ( mLayer->geometryType() != QGis::NoGeometry &&
settings.value( "/qgis/attributeTableBehaviour", QgsAttributeTableFilterModel::ShowAll ).toInt() == QgsAttributeTableFilterModel::ShowVisible )
{
QgsMapCanvas *mc = QgisApp::instance()->mapCanvas();
QgsRectangle extent( mc->mapSettings().mapToLayerCoordinates( theLayer, mc->extent() ) );
r.setFilterRect( extent );
QgsGeometry *g = QgsGeometry::fromRect( extent );
mRubberBand = new QgsRubberBand( mc, QGis::Polygon );
mRubberBand->setToGeometry( g, theLayer );
delete g;
mActionShowAllFilter->setText( tr( "Show All Features In Initial Canvas Extent" ) );
}
// Initialize dual view
mMainView->init( mLayer, QgisApp::instance()->mapCanvas(), r, context );
// Initialize filter gui elements
mFilterActionMapper = new QSignalMapper( this );
mFilterColumnsMenu = new QMenu( this );
mActionFilterColumnsMenu->setMenu( mFilterColumnsMenu );
mApplyFilterButton->setDefaultAction( mActionApplyFilter );
// Set filter icon in a couple of places
QIcon filterIcon = QgsApplication::getThemeIcon( "/mActionFilter.svg" );
mActionShowAllFilter->setIcon( filterIcon );
mActionAdvancedFilter->setIcon( filterIcon );
mActionSelectedFilter->setIcon( filterIcon );
mActionVisibleFilter->setIcon( filterIcon );
mActionEditedFilter->setIcon( filterIcon );
// Connect filter signals
connect( mActionAdvancedFilter, SIGNAL( triggered() ), SLOT( filterExpressionBuilder() ) );
connect( mActionShowAllFilter, SIGNAL( triggered() ), SLOT( filterShowAll() ) );
connect( mActionSelectedFilter, SIGNAL( triggered() ), SLOT( filterSelected() ) );
connect( mActionVisibleFilter, SIGNAL( triggered() ), SLOT( filterVisible() ) );
connect( mActionEditedFilter, SIGNAL( triggered() ), SLOT( filterEdited() ) );
connect( mFilterActionMapper, SIGNAL( mapped( QObject* ) ), SLOT( filterColumnChanged( QObject* ) ) );
connect( mFilterQuery, SIGNAL( returnPressed() ), SLOT( filterQueryAccepted() ) );
connect( mActionApplyFilter, SIGNAL( triggered() ), SLOT( filterQueryAccepted() ) );
connect( mSetStyles, SIGNAL( pressed() ), SLOT( openConditionalStyles() ) );
// info from layer to table
connect( mLayer, SIGNAL( editingStarted() ), this, SLOT( editingToggled() ) );
connect( mLayer, SIGNAL( editingStopped() ), this, SLOT( editingToggled() ) );
connect( mLayer, SIGNAL( layerDeleted() ), this, SLOT( close() ) );
connect( mLayer, SIGNAL( selectionChanged() ), this, SLOT( updateTitle() ) );
connect( mLayer, SIGNAL( featureAdded( QgsFeatureId ) ), this, SLOT( updateTitle() ) );
connect( mLayer, SIGNAL( featuresDeleted( QgsFeatureIds ) ), this, SLOT( updateTitle() ) );
connect( mLayer, SIGNAL( attributeAdded( int ) ), this, SLOT( columnBoxInit() ) );
connect( mLayer, SIGNAL( attributeDeleted( int ) ), this, SLOT( columnBoxInit() ) );
// connect table info to window
connect( mMainView, SIGNAL( filterChanged() ), this, SLOT( updateTitle() ) );
// info from table to application
connect( this, SIGNAL( saveEdits( QgsMapLayer * ) ), QgisApp::instance(), SLOT( saveEdits( QgsMapLayer * ) ) );
bool myDockFlag = settings.value( "/qgis/dockAttributeTable", false ).toBool();
if ( myDockFlag )
{
mDock = new QgsAttributeTableDock( tr( "Attribute table - %1 (%n Feature(s))", "feature count", mMainView->featureCount() ).arg( mLayer->name() ), QgisApp::instance() );
mDock->setAllowedAreas( Qt::BottomDockWidgetArea | Qt::TopDockWidgetArea );
mDock->setWidget( this );
connect( this, SIGNAL( destroyed() ), mDock, SLOT( close() ) );
QgisApp::instance()->addDockWidget( Qt::BottomDockWidgetArea, mDock );
}
columnBoxInit();
updateTitle();
mRemoveSelectionButton->setIcon( QgsApplication::getThemeIcon( "/mActionUnselectAttributes.png" ) );
mSelectedToTopButton->setIcon( QgsApplication::getThemeIcon( "/mActionSelectedToTop.png" ) );
mCopySelectedRowsButton->setIcon( QgsApplication::getThemeIcon( "/mActionCopySelected.png" ) );
mZoomMapToSelectedRowsButton->setIcon( QgsApplication::getThemeIcon( "/mActionZoomToSelected.svg" ) );
mPanMapToSelectedRowsButton->setIcon( QgsApplication::getThemeIcon( "/mActionPanToSelected.svg" ) );
mInvertSelectionButton->setIcon( QgsApplication::getThemeIcon( "/mActionInvertSelection.png" ) );
mToggleEditingButton->setIcon( QgsApplication::getThemeIcon( "/mActionToggleEditing.svg" ) );
mSaveEditsButton->setIcon( QgsApplication::getThemeIcon( "/mActionSaveEdits.svg" ) );
mDeleteSelectedButton->setIcon( QgsApplication::getThemeIcon( "/mActionDeleteSelected.svg" ) );
mOpenFieldCalculator->setIcon( QgsApplication::getThemeIcon( "/mActionCalculateField.png" ) );
mAddAttribute->setIcon( QgsApplication::getThemeIcon( "/mActionNewAttribute.png" ) );
mRemoveAttribute->setIcon( QgsApplication::getThemeIcon( "/mActionDeleteAttribute.png" ) );
mTableViewButton->setIcon( QgsApplication::getThemeIcon( "/mActionOpenTable.png" ) );
mAttributeViewButton->setIcon( QgsApplication::getThemeIcon( "/mActionPropertyItem.png" ) );
mExpressionSelectButton->setIcon( QgsApplication::getThemeIcon( "/mIconExpressionSelect.svg" ) );
mAddFeature->setIcon( QgsApplication::getThemeIcon( "/mActionNewTableRow.png" ) );
// toggle editing
bool canChangeAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::ChangeAttributeValues;
bool canDeleteFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteFeatures;
bool canAddAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddAttributes;
bool canDeleteAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteAttributes;
bool canAddFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddFeatures;
mToggleEditingButton->blockSignals( true );
mToggleEditingButton->setCheckable( true );
mToggleEditingButton->setChecked( mLayer->isEditable() );
mToggleEditingButton->setEnabled(( canChangeAttributes || canDeleteFeatures || canAddAttributes || canDeleteAttributes || canAddFeatures ) && !mLayer->isReadOnly() );
mToggleEditingButton->blockSignals( false );
mSaveEditsButton->setEnabled( mToggleEditingButton->isEnabled() && mLayer->isEditable() );
mReloadButton->setEnabled( ! mLayer->isEditable() );
mAddAttribute->setEnabled(( canChangeAttributes || canAddAttributes ) && mLayer->isEditable() );
mDeleteSelectedButton->setEnabled( canDeleteFeatures && mLayer->isEditable() );
mAddFeature->setEnabled( canAddFeatures && mLayer->isEditable() );
mAddFeature->setHidden( !canAddFeatures );
mMainViewButtonGroup->setId( mTableViewButton, QgsDualView::AttributeTable );
mMainViewButtonGroup->setId( mAttributeViewButton, QgsDualView::AttributeEditor );
// Load default attribute table filter
QgsAttributeTableFilterModel::FilterMode defaultFilterMode = ( QgsAttributeTableFilterModel::FilterMode ) settings.value( "/qgis/attributeTableBehaviour", QgsAttributeTableFilterModel::ShowAll ).toInt();
switch ( defaultFilterMode )
{
case QgsAttributeTableFilterModel::ShowVisible:
filterVisible();
break;
case QgsAttributeTableFilterModel::ShowSelected:
filterSelected();
break;
case QgsAttributeTableFilterModel::ShowAll:
default:
filterShowAll();
break;
}
mUpdateExpressionText->registerGetExpressionContextCallback( &_getExpressionContext, mLayer );
mFieldModel = new QgsFieldModel( this );
mFieldModel->setLayer( mLayer );
mFieldCombo->setModel( mFieldModel );
connect( mRunFieldCalc, SIGNAL( clicked() ), this, SLOT( updateFieldFromExpression() ) );
connect( mRunFieldCalcSelected, SIGNAL( clicked() ), this, SLOT( updateFieldFromExpressionSelected() ) );
// NW TODO Fix in 2.6 - Doesn't work with field model for some reason.
// connect( mUpdateExpressionText, SIGNAL( returnPressed() ), this, SLOT( updateFieldFromExpression() ) );
connect( mUpdateExpressionText, SIGNAL( fieldChanged( QString, bool ) ), this, SLOT( updateButtonStatus( QString, bool ) ) );
mUpdateExpressionText->setLayer( mLayer );
mUpdateExpressionText->setLeftHandButtonStyle( true );
mMainView->setView( QgsDualView::AttributeTable );
editingToggled();
}
bool QgsComposerAttributeTable::getFeatureAttributes( QList<QgsAttributeMap> &attributeMaps )
{
if ( !mVectorLayer )
{
return false;
}
attributeMaps.clear();
//prepare filter expression
std::auto_ptr<QgsExpression> filterExpression;
bool activeFilter = false;
if ( mFilterFeatures && !mFeatureFilter.isEmpty() )
{
filterExpression = std::auto_ptr<QgsExpression>( new QgsExpression( mFeatureFilter ) );
if ( !filterExpression->hasParserError() )
{
activeFilter = true;
}
}
QgsRectangle selectionRect;
if ( mComposerMap && mShowOnlyVisibleFeatures )
{
selectionRect = *mComposerMap->currentMapExtent();
if ( mVectorLayer && mComposition->mapSettings().hasCrsTransformEnabled() )
{
//transform back to layer CRS
QgsCoordinateTransform coordTransform( mVectorLayer->crs(), mComposition->mapSettings().destinationCrs() );
try
{
selectionRect = coordTransform.transformBoundingBox( selectionRect, QgsCoordinateTransform::ReverseTransform );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
return false;
}
}
}
QgsFeatureRequest req;
if ( !selectionRect.isEmpty() )
req.setFilterRect( selectionRect );
req.setFlags( mShowOnlyVisibleFeatures ? QgsFeatureRequest::ExactIntersect : QgsFeatureRequest::NoGeometry );
if ( !mDisplayAttributes.isEmpty() )
req.setSubsetOfAttributes( mDisplayAttributes.toList() );
QgsFeature f;
int counter = 0;
QgsFeatureIterator fit = mVectorLayer->getFeatures( req );
while ( fit.nextFeature( f ) && counter < mMaximumNumberOfFeatures )
{
//check feature against filter
if ( activeFilter )
{
QVariant result = filterExpression->evaluate( &f, mVectorLayer->pendingFields() );
// skip this feature if the filter evaluation if false
if ( !result.toBool() )
{
continue;
}
}
attributeMaps.push_back( QgsAttributeMap() );
for ( int i = 0; i < f.attributes().size(); i++ )
{
if ( !mDisplayAttributes.isEmpty() && !mDisplayAttributes.contains( i ) )
continue;
attributeMaps.last().insert( i, f.attributes()[i] );
}
++counter;
}
//sort the list, starting with the last attribute
QgsComposerAttributeTableCompare c;
for ( int i = mSortInformation.size() - 1; i >= 0; --i )
{
c.setSortColumn( mSortInformation.at( i ).first );
c.setAscending( mSortInformation.at( i ).second );
qStableSort( attributeMaps.begin(), attributeMaps.end(), c );
}
return true;
}
void QgsMapToolSelectUtils::setSelectFeatures( QgsMapCanvas* canvas,
QgsGeometry* selectGeometry,
bool doContains,
bool doDifference,
bool singleSelect )
{
if ( selectGeometry->type() != QGis::Polygon )
{
return;
}
QgsVectorLayer* vlayer = QgsMapToolSelectUtils::getCurrentVectorLayer( canvas );
if ( vlayer == nullptr )
{
return;
}
// toLayerCoordinates will throw an exception for any 'invalid' points in
// the rubber band.
// For example, if you project a world map onto a globe using EPSG 2163
// and then click somewhere off the globe, an exception will be thrown.
//QgsGeometry selectGeomTrans( *selectGeometry );
//if ( canvas->mapSettings().hasCrsTransformEnabled() )
//{
// try
// {
// QgsCoordinateTransform ct( canvas->mapSettings().destinationCrs(), vlayer->crs() );
// selectGeomTrans.transform( ct );
// }
// catch ( QgsCsException &cse )
// {
// Q_UNUSED( cse );
// // catch exception for 'invalid' point and leave existing selection unchanged
// QgsLogger::warning( "Caught CRS exception " + QString( __FILE__ ) + ": " + QString::number( __LINE__ ) );
// LOG_INFO( "CRS Exception\nSelection extends beyond layer's coordinate system" );
// return;
// }
//}
QgsGeometry selectGeomTrans;
try{
selectGeomTrans = toLayerCoordinates( canvas, selectGeometry, vlayer );
}
catch ( QgsCsException & )
{
return;
}
QApplication::setOverrideCursor( Qt::WaitCursor );
QgsDebugMsg( "Selection layer: " + vlayer->name() );
QgsDebugMsg( "Selection polygon: " + selectGeomTrans.exportToWkt() );
QgsDebugMsg( "doContains: " + QString( doContains ? "T" : "F" ) );
QgsDebugMsg( "doDifference: " + QString( doDifference ? "T" : "F" ) );
QgsRenderContext context = QgsRenderContext::fromMapSettings( canvas->mapSettings() );
QgsFeatureRendererV2* r = vlayer->rendererV2();
if ( r )
r->startRender( context, vlayer->pendingFields() );
QgsFeatureRequest request;
request.setFilterRect( selectGeomTrans.boundingBox() );
request.setFlags( QgsFeatureRequest::ExactIntersect );
if ( r )
request.setSubsetOfAttributes( r->usedAttributes(), vlayer->pendingFields() );
else
request.setSubsetOfAttributes( QgsAttributeList() );
QgsFeatureIterator fit = vlayer->getFeatures( request );
QgsFeatureIds newSelectedFeatures;
QgsFeature f;
QgsFeatureId closestFeatureId = 0;
bool foundSingleFeature = false;
double closestFeatureDist = std::numeric_limits<double>::max();
while ( fit.nextFeature( f ) )
{
#if (VERSION_INT >= 21601)
context.expressionContext().setFeature( f ); //taken from QGIS 2.16.1
// make sure to only use features that are visible
if ( r && !r->willRenderFeature( f, context ) )
#else
if ( r && !r->willRenderFeature( f ) )
#endif
continue;
QgsGeometry* g = f.geometry();
if ( doContains )
{
if ( !selectGeomTrans.contains( g ) )
continue;
}
else
{
if ( !selectGeomTrans.intersects( g ) )
continue;
}
if ( singleSelect )
{
foundSingleFeature = true;
double distance = g->distance( selectGeomTrans );
if ( distance <= closestFeatureDist )
{
closestFeatureDist = distance;
closestFeatureId = f.id();
}
}
else
{
newSelectedFeatures.insert( f.id() );
}
}
if ( singleSelect && foundSingleFeature )
{
newSelectedFeatures.insert( closestFeatureId );
}
if ( r )
r->stopRender( context );
QgsDebugMsg( "Number of new selected features: " + QString::number( newSelectedFeatures.size() ) );
if ( doDifference )
{
QgsFeatureIds layerSelectedFeatures = vlayer->selectedFeaturesIds();
QgsFeatureIds selectedFeatures;
QgsFeatureIds deselectedFeatures;
QgsFeatureIds::const_iterator i = newSelectedFeatures.constEnd();
while ( i != newSelectedFeatures.constBegin() )
{
--i;
if ( layerSelectedFeatures.contains( *i ) )
{
deselectedFeatures.insert( *i );
}
else
{
selectedFeatures.insert( *i );
}
}
vlayer->modifySelection( selectedFeatures, deselectedFeatures );
}
else
{
SelectFeatures( vlayer, newSelectedFeatures ); // vlayer->setSelectedFeatures( newSelectedFeatures );
}
QApplication::restoreOverrideCursor();
}
bool QgsComposerAttributeTable::getFeatureAttributes( QList<QgsAttributeMap> &attributeMaps )
{
if ( !mVectorLayer )
{
return false;
}
QScopedPointer< QgsExpressionContext > context( createExpressionContext() );
context->setFields( mVectorLayer->fields() );
attributeMaps.clear();
//prepare filter expression
QScopedPointer<QgsExpression> filterExpression;
bool activeFilter = false;
if ( mFilterFeatures && !mFeatureFilter.isEmpty() )
{
filterExpression.reset( new QgsExpression( mFeatureFilter ) );
if ( !filterExpression->hasParserError() )
{
activeFilter = true;
}
}
QgsRectangle selectionRect;
if ( mComposerMap && mShowOnlyVisibleFeatures )
{
selectionRect = *mComposerMap->currentMapExtent();
if ( mComposition->mapSettings().hasCrsTransformEnabled() )
{
//transform back to layer CRS
QgsCoordinateTransform coordTransform( mVectorLayer->crs(), mComposition->mapSettings().destinationCrs() );
try
{
selectionRect = coordTransform.transformBoundingBox( selectionRect, QgsCoordinateTransform::ReverseTransform );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
return false;
}
}
}
QgsFeatureRequest req;
if ( !selectionRect.isEmpty() )
req.setFilterRect( selectionRect );
req.setFlags( mShowOnlyVisibleFeatures ? QgsFeatureRequest::ExactIntersect : QgsFeatureRequest::NoFlags );
QgsFeature f;
int counter = 0;
QgsFeatureIterator fit = mVectorLayer->getFeatures( req );
while ( fit.nextFeature( f ) && counter < mMaximumNumberOfFeatures )
{
context->setFeature( f );
//check feature against filter
if ( activeFilter && !filterExpression.isNull() )
{
QVariant result = filterExpression->evaluate( context.data() );
// skip this feature if the filter evaluation is false
if ( !result.toBool() )
{
continue;
}
}
attributeMaps.push_back( QgsAttributeMap() );
QList<QgsComposerTableColumn*>::const_iterator columnIt = mColumns.constBegin();
int i = 0;
for ( ; columnIt != mColumns.constEnd(); ++columnIt )
{
int idx = mVectorLayer->fieldNameIndex(( *columnIt )->attribute() );
if ( idx != -1 )
{
attributeMaps.last().insert( i, f.attributes().at( idx ) );
}
else
{
// Lets assume it's an expression
QgsExpression* expression = new QgsExpression(( *columnIt )->attribute() );
context->lastScope()->setVariable( QString( "row_number" ), counter + 1 );
expression->prepare( context.data() );
QVariant value = expression->evaluate( context.data() );
attributeMaps.last().insert( i, value.toString() );
}
i++;
}
++counter;
}
//sort the list, starting with the last attribute
QgsComposerAttributeTableCompare c;
QList< QPair<int, bool> > sortColumns = sortAttributes();
for ( int i = sortColumns.size() - 1; i >= 0; --i )
{
c.setSortColumn( sortColumns.at( i ).first );
c.setAscending( sortColumns.at( i ).second );
qStableSort( attributeMaps.begin(), attributeMaps.end(), c );
}
adjustFrameToSize();
return true;
}
bool QgsComposerAttributeTableV2::getTableContents( QgsComposerTableContents &contents )
{
contents.clear();
if (( mSource == QgsComposerAttributeTableV2::AtlasFeature || mSource == QgsComposerAttributeTableV2::RelationChildren )
&& !mComposition->atlasComposition().enabled() )
{
//source mode requires atlas, but atlas disabled
return false;
}
QgsVectorLayer* layer = sourceLayer();
if ( !layer )
{
//no source layer
return false;
}
//prepare filter expression
std::auto_ptr<QgsExpression> filterExpression;
bool activeFilter = false;
if ( mFilterFeatures && !mFeatureFilter.isEmpty() )
{
filterExpression = std::auto_ptr<QgsExpression>( new QgsExpression( mFeatureFilter ) );
if ( !filterExpression->hasParserError() )
{
activeFilter = true;
}
}
QgsRectangle selectionRect;
if ( mComposerMap && mShowOnlyVisibleFeatures )
{
selectionRect = *mComposerMap->currentMapExtent();
if ( layer && mComposition->mapSettings().hasCrsTransformEnabled() )
{
//transform back to layer CRS
QgsCoordinateTransform coordTransform( layer->crs(), mComposition->mapSettings().destinationCrs() );
try
{
selectionRect = coordTransform.transformBoundingBox( selectionRect, QgsCoordinateTransform::ReverseTransform );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
return false;
}
}
}
QgsFeatureRequest req;
if ( mSource == QgsComposerAttributeTableV2::RelationChildren )
{
QgsRelation relation = QgsProject::instance()->relationManager()->relation( mRelationId );
QgsFeature* atlasFeature = mComposition->atlasComposition().currentFeature();
if ( atlasFeature )
{
req = relation.getRelatedFeaturesRequest( *atlasFeature );
}
else
{
//no atlas feature, so empty table
return true;
}
}
if ( !selectionRect.isEmpty() )
req.setFilterRect( selectionRect );
req.setFlags( mShowOnlyVisibleFeatures ? QgsFeatureRequest::ExactIntersect : QgsFeatureRequest::NoFlags );
if ( mSource == QgsComposerAttributeTableV2::AtlasFeature
&& mComposition->atlasComposition().enabled() )
{
//source mode is current atlas feature
QgsFeature* atlasFeature = mComposition->atlasComposition().currentFeature();
if ( atlasFeature )
{
req.setFilterFid( atlasFeature->id() );
}
else
{
//no atlas feature, so empty table
return true;
}
}
QgsFeature f;
int counter = 0;
QgsFeatureIterator fit = layer->getFeatures( req );
while ( fit.nextFeature( f ) && counter < mMaximumNumberOfFeatures )
{
//check feature against filter
if ( activeFilter )
{
QVariant result = filterExpression->evaluate( &f, layer->pendingFields() );
// skip this feature if the filter evaluation is false
if ( !result.toBool() )
{
continue;
}
}
//check against atlas feature intersection
if ( mFilterToAtlasIntersection )
{
if ( !f.geometry() || ! mComposition->atlasComposition().enabled() )
{
continue;
}
QgsFeature* atlasFeature = mComposition->atlasComposition().currentFeature();
if ( !atlasFeature || !atlasFeature->geometry() ||
!f.geometry()->intersects( atlasFeature->geometry() ) )
{
//feature falls outside current atlas feature
continue;
}
}
QgsComposerTableRow currentRow;
QList<QgsComposerTableColumn*>::const_iterator columnIt = mColumns.constBegin();
for ( ; columnIt != mColumns.constEnd(); ++columnIt )
{
int idx = layer->fieldNameIndex(( *columnIt )->attribute() );
if ( idx != -1 )
{
currentRow << f.attributes()[idx];
}
else
{
// Lets assume it's an expression
QgsExpression* expression = new QgsExpression(( *columnIt )->attribute() );
expression->setCurrentRowNumber( counter + 1 );
expression->prepare( layer->pendingFields() );
QVariant value = expression->evaluate( f ) ;
currentRow << value;
}
}
if ( !mShowUniqueRowsOnly || !contentsContainsRow( contents, currentRow ) )
{
contents << currentRow;
++counter;
}
}
//sort the list, starting with the last attribute
QgsComposerAttributeTableCompareV2 c;
QList< QPair<int, bool> > sortColumns = sortAttributes();
for ( int i = sortColumns.size() - 1; i >= 0; --i )
{
c.setSortColumn( sortColumns.at( i ).first );
c.setAscending( sortColumns.at( i ).second );
qStableSort( contents.begin(), contents.end(), c );
}
recalculateTableSize();
return true;
}
QgsAttributeTableDialog::QgsAttributeTableDialog( QgsVectorLayer *theLayer, QWidget *parent, Qt::WindowFlags flags )
: QDialog( parent, flags )
, mDock( nullptr )
, mLayer( theLayer )
, mRubberBand( nullptr )
, mCurrentSearchWidgetWrapper( nullptr )
{
setupUi( this );
Q_FOREACH ( const QgsField& field, mLayer->fields() )
{
mVisibleFields.append( field.name() );
}
// Fix selection color on loosing focus (Windows)
setStyleSheet( QgisApp::instance()->styleSheet() );
setAttribute( Qt::WA_DeleteOnClose );
layout()->setMargin( 0 );
layout()->setContentsMargins( 0, 0, 0, 0 );
static_cast< QGridLayout* >( layout() )->setVerticalSpacing( 0 );
QSettings settings;
int size = settings.value( "/IconSize", 16 ).toInt();
if ( size > 32 )
{
size -= 16;
}
else if ( size == 32 )
{
size = 24;
}
else
{
size = 16;
}
mToolbar->setIconSize( QSize( size, size ) );
// Initialize the window geometry
restoreGeometry( settings.value( "/Windows/BetterAttributeTable/geometry" ).toByteArray() );
myDa = new QgsDistanceArea();
myDa->setSourceCrs( mLayer->crs() );
myDa->setEllipsoidalMode( QgisApp::instance()->mapCanvas()->mapSettings().hasCrsTransformEnabled() );
myDa->setEllipsoid( QgsProject::instance()->readEntry( "Measure", "/Ellipsoid", GEO_NONE ) );
mEditorContext.setDistanceArea( *myDa );
mEditorContext.setVectorLayerTools( QgisApp::instance()->vectorLayerTools() );
QgsFeatureRequest r;
if ( mLayer->geometryType() != QGis::NoGeometry &&
settings.value( "/qgis/attributeTableBehaviour", QgsAttributeTableFilterModel::ShowAll ).toInt() == QgsAttributeTableFilterModel::ShowVisible )
{
QgsMapCanvas *mc = QgisApp::instance()->mapCanvas();
QgsRectangle extent( mc->mapSettings().mapToLayerCoordinates( theLayer, mc->extent() ) );
r.setFilterRect( extent );
QgsGeometry *g = QgsGeometry::fromRect( extent );
mRubberBand = new QgsRubberBand( mc, QGis::Polygon );
mRubberBand->setToGeometry( g, theLayer );
delete g;
mActionShowAllFilter->setText( tr( "Show All Features In Initial Canvas Extent" ) );
}
// Initialize dual view
mMainView->init( mLayer, QgisApp::instance()->mapCanvas(), r, mEditorContext );
QgsAttributeTableConfig config = mLayer->attributeTableConfig();
mMainView->setAttributeTableConfig( config );
// Initialize filter gui elements
mFilterActionMapper = new QSignalMapper( this );
mFilterColumnsMenu = new QMenu( this );
mActionFilterColumnsMenu->setMenu( mFilterColumnsMenu );
mApplyFilterButton->setDefaultAction( mActionApplyFilter );
// Set filter icon in a couple of places
QIcon filterIcon = QgsApplication::getThemeIcon( "/mActionFilter2.svg" );
mActionShowAllFilter->setIcon( filterIcon );
mActionAdvancedFilter->setIcon( filterIcon );
mActionSelectedFilter->setIcon( filterIcon );
mActionVisibleFilter->setIcon( filterIcon );
mActionEditedFilter->setIcon( filterIcon );
// Connect filter signals
connect( mActionAdvancedFilter, SIGNAL( triggered() ), SLOT( filterExpressionBuilder() ) );
connect( mActionShowAllFilter, SIGNAL( triggered() ), SLOT( filterShowAll() ) );
connect( mActionSelectedFilter, SIGNAL( triggered() ), SLOT( filterSelected() ) );
connect( mActionVisibleFilter, SIGNAL( triggered() ), SLOT( filterVisible() ) );
connect( mActionEditedFilter, SIGNAL( triggered() ), SLOT( filterEdited() ) );
connect( mFilterActionMapper, SIGNAL( mapped( QObject* ) ), SLOT( filterColumnChanged( QObject* ) ) );
connect( mFilterQuery, SIGNAL( returnPressed() ), SLOT( filterQueryAccepted() ) );
connect( mActionApplyFilter, SIGNAL( triggered() ), SLOT( filterQueryAccepted() ) );
connect( mActionSetStyles, SIGNAL( triggered() ), SLOT( openConditionalStyles() ) );
// info from layer to table
connect( mLayer, SIGNAL( editingStarted() ), this, SLOT( editingToggled() ) );
connect( mLayer, SIGNAL( editingStopped() ), this, SLOT( editingToggled() ) );
connect( mLayer, SIGNAL( layerDeleted() ), this, SLOT( close() ) );
connect( mLayer, SIGNAL( selectionChanged() ), this, SLOT( updateTitle() ) );
connect( mLayer, SIGNAL( featureAdded( QgsFeatureId ) ), this, SLOT( updateTitle() ) );
connect( mLayer, SIGNAL( featuresDeleted( QgsFeatureIds ) ), this, SLOT( updateTitle() ) );
connect( mLayer, SIGNAL( attributeAdded( int ) ), this, SLOT( columnBoxInit() ) );
connect( mLayer, SIGNAL( attributeDeleted( int ) ), this, SLOT( columnBoxInit() ) );
// connect table info to window
connect( mMainView, SIGNAL( filterChanged() ), this, SLOT( updateTitle() ) );
connect( mMainView, SIGNAL( filterExpressionSet( QString, QgsAttributeForm::FilterType ) ), this, SLOT( formFilterSet( QString, QgsAttributeForm::FilterType ) ) );
connect( mMainView, SIGNAL( formModeChanged( QgsAttributeForm::Mode ) ), this, SLOT( viewModeChanged( QgsAttributeForm::Mode ) ) );
// info from table to application
connect( this, SIGNAL( saveEdits( QgsMapLayer * ) ), QgisApp::instance(), SLOT( saveEdits( QgsMapLayer * ) ) );
bool myDockFlag = settings.value( "/qgis/dockAttributeTable", false ).toBool();
if ( myDockFlag )
{
mDock = new QgsAttributeTableDock( tr( "%1 (%n Feature(s))", "feature count", mMainView->featureCount() ).arg( mLayer->name() ), QgisApp::instance() );
mDock->setWidget( this );
connect( this, SIGNAL( destroyed() ), mDock, SLOT( close() ) );
QgisApp::instance()->addDockWidget( Qt::BottomDockWidgetArea, mDock );
}
columnBoxInit();
updateTitle();
mActionRemoveSelection->setIcon( QgsApplication::getThemeIcon( "/mActionDeselectAll.svg" ) );
mActionSelectAll->setIcon( QgsApplication::getThemeIcon( "/mActionSelectAll.svg" ) );
mActionSelectedToTop->setIcon( QgsApplication::getThemeIcon( "/mActionSelectedToTop.svg" ) );
mActionCopySelectedRows->setIcon( QgsApplication::getThemeIcon( "/mActionEditCopy.svg" ) );
mActionPasteFeatures->setIcon( QgsApplication::getThemeIcon( "/mActionEditPaste.svg" ) );
mActionZoomMapToSelectedRows->setIcon( QgsApplication::getThemeIcon( "/mActionZoomToSelected.svg" ) );
mActionPanMapToSelectedRows->setIcon( QgsApplication::getThemeIcon( "/mActionPanToSelected.svg" ) );
mActionInvertSelection->setIcon( QgsApplication::getThemeIcon( "/mActionInvertSelection.svg" ) );
mActionToggleEditing->setIcon( QgsApplication::getThemeIcon( "/mActionToggleEditing.svg" ) );
mActionSaveEdits->setIcon( QgsApplication::getThemeIcon( "/mActionSaveEdits.svg" ) );
mActionDeleteSelected->setIcon( QgsApplication::getThemeIcon( "/mActionDeleteSelected.svg" ) );
mActionOpenFieldCalculator->setIcon( QgsApplication::getThemeIcon( "/mActionCalculateField.svg" ) );
mActionAddAttribute->setIcon( QgsApplication::getThemeIcon( "/mActionNewAttribute.svg" ) );
mActionRemoveAttribute->setIcon( QgsApplication::getThemeIcon( "/mActionDeleteAttribute.svg" ) );
mTableViewButton->setIcon( QgsApplication::getThemeIcon( "/mActionOpenTable.svg" ) );
mAttributeViewButton->setIcon( QgsApplication::getThemeIcon( "/mActionFormView.svg" ) );
mActionExpressionSelect->setIcon( QgsApplication::getThemeIcon( "/mIconExpressionSelect.svg" ) );
mActionAddFeature->setIcon( QgsApplication::getThemeIcon( "/mActionNewTableRow.svg" ) );
// toggle editing
bool canChangeAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::ChangeAttributeValues;
bool canDeleteFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteFeatures;
bool canAddAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddAttributes;
bool canDeleteAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteAttributes;
bool canAddFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddFeatures;
mActionToggleEditing->blockSignals( true );
mActionToggleEditing->setCheckable( true );
mActionToggleEditing->setChecked( mLayer->isEditable() );
mActionToggleEditing->setEnabled(( canChangeAttributes || canDeleteFeatures || canAddAttributes || canDeleteAttributes || canAddFeatures ) && !mLayer->readOnly() );
mActionToggleEditing->blockSignals( false );
mActionSaveEdits->setEnabled( mActionToggleEditing->isEnabled() && mLayer->isEditable() );
mActionReload->setEnabled( ! mLayer->isEditable() );
mActionAddAttribute->setEnabled(( canChangeAttributes || canAddAttributes ) && mLayer->isEditable() );
mActionRemoveAttribute->setEnabled( canDeleteAttributes && mLayer->isEditable() );
mActionDeleteSelected->setEnabled( canDeleteFeatures && mLayer->isEditable() );
if ( !canDeleteFeatures )
mToolbar->removeAction( mActionDeleteSelected );
mActionAddFeature->setEnabled( canAddFeatures && mLayer->isEditable() );
if ( !canAddFeatures )
mToolbar->removeAction( mActionAddFeature );
if ( canDeleteFeatures || canAddFeatures )
mToolbar->insertSeparator( mActionExpressionSelect );
mMainViewButtonGroup->setId( mTableViewButton, QgsDualView::AttributeTable );
mMainViewButtonGroup->setId( mAttributeViewButton, QgsDualView::AttributeEditor );
// Load default attribute table filter
QgsAttributeTableFilterModel::FilterMode defaultFilterMode = ( QgsAttributeTableFilterModel::FilterMode ) settings.value( "/qgis/attributeTableBehaviour", QgsAttributeTableFilterModel::ShowAll ).toInt();
switch ( defaultFilterMode )
{
case QgsAttributeTableFilterModel::ShowVisible:
filterVisible();
break;
case QgsAttributeTableFilterModel::ShowSelected:
filterSelected();
break;
case QgsAttributeTableFilterModel::ShowAll:
default:
filterShowAll();
break;
}
mUpdateExpressionText->registerGetExpressionContextCallback( &_getExpressionContext, mLayer );
mFieldCombo->setFilters( QgsFieldProxyModel::All | QgsFieldProxyModel::HideReadOnly );
mFieldCombo->setLayer( mLayer );
connect( mRunFieldCalc, SIGNAL( clicked() ), this, SLOT( updateFieldFromExpression() ) );
connect( mRunFieldCalcSelected, SIGNAL( clicked() ), this, SLOT( updateFieldFromExpressionSelected() ) );
// NW TODO Fix in 2.6 - Doesn't work with field model for some reason.
// connect( mUpdateExpressionText, SIGNAL( returnPressed() ), this, SLOT( updateFieldFromExpression() ) );
connect( mUpdateExpressionText, SIGNAL( fieldChanged( QString, bool ) ), this, SLOT( updateButtonStatus( QString, bool ) ) );
mUpdateExpressionText->setLayer( mLayer );
mUpdateExpressionText->setLeftHandButtonStyle( true );
int initialView = settings.value( "/qgis/attributeTableView", -1 ).toInt();
if ( initialView < 0 )
{
initialView = settings.value( "/qgis/attributeTableLastView", QgsDualView::AttributeTable ).toInt();
}
mMainView->setView( static_cast< QgsDualView::ViewMode >( initialView ) );
mMainViewButtonGroup->button( initialView )->setChecked( true );
connect( mActionToggleMultiEdit, SIGNAL( toggled( bool ) ), mMainView, SLOT( setMultiEditEnabled( bool ) ) );
connect( mActionSearchForm, SIGNAL( toggled( bool ) ), mMainView, SLOT( toggleSearchMode( bool ) ) );
updateMultiEditButtonState();
if ( mLayer->editFormConfig()->layout() == QgsEditFormConfig::UiFileLayout )
{
//not supported with custom UI
mActionToggleMultiEdit->setEnabled( false );
mActionToggleMultiEdit->setToolTip( tr( "Multiedit is not supported when using custom UI forms" ) );
mActionSearchForm->setEnabled( false );
mActionSearchForm->setToolTip( tr( "Search is not supported when using custom UI forms" ) );
}
editingToggled();
}
void QgsDxfExport::writeEntitiesSymbolLevels( QgsVectorLayer* layer )
{
if ( !layer )
{
return;
}
QgsFeatureRendererV2* renderer = layer->rendererV2();
if ( !renderer )
{
//return error
}
QHash< QgsSymbolV2*, QList<QgsFeature> > features;
QgsRenderContext ctx = renderContext();
QgsSymbolV2RenderContext sctx( ctx, QgsSymbolV2::MM , 1.0, false, 0, 0 );
renderer->startRender( ctx, layer->pendingFields() );
//get iterator
QgsFeatureRequest req;
if ( layer->wkbType() == QGis::WKBNoGeometry )
{
req.setFlags( QgsFeatureRequest::NoGeometry );
}
req.setSubsetOfAttributes( QStringList( renderer->usedAttributes() ), layer->pendingFields() );
if ( !mExtent.isEmpty() )
{
req.setFilterRect( mExtent );
}
QgsFeatureIterator fit = layer->getFeatures( req );
//fetch features
QgsFeature fet;
QgsSymbolV2* featureSymbol = 0;
while ( fit.nextFeature( fet ) )
{
featureSymbol = renderer->symbolForFeature( fet );
if ( !featureSymbol )
{
continue;
}
QHash< QgsSymbolV2*, QList<QgsFeature> >::iterator it = features.find( featureSymbol );
if ( it == features.end() )
{
it = features.insert( featureSymbol, QList<QgsFeature>() );
}
it.value().append( fet );
}
//find out order
QgsSymbolV2LevelOrder levels;
QgsSymbolV2List symbols = renderer->symbols();
for ( int i = 0; i < symbols.count(); i++ )
{
QgsSymbolV2* sym = symbols[i];
for ( int j = 0; j < sym->symbolLayerCount(); j++ )
{
int level = sym->symbolLayer( j )->renderingPass();
if ( level < 0 || level >= 1000 ) // ignore invalid levels
continue;
QgsSymbolV2LevelItem item( sym, j );
while ( level >= levels.count() ) // append new empty levels
levels.append( QgsSymbolV2Level() );
levels[level].append( item );
}
}
//export symbol layers and symbology
for ( int l = 0; l < levels.count(); l++ )
{
QgsSymbolV2Level& level = levels[l];
for ( int i = 0; i < level.count(); i++ )
{
QgsSymbolV2LevelItem& item = level[i];
QHash< QgsSymbolV2*, QList<QgsFeature> >::iterator levelIt = features.find( item.symbol() );
int llayer = item.layer();
QList<QgsFeature>& featureList = levelIt.value();
QList<QgsFeature>::iterator featureIt = featureList.begin();
for ( ; featureIt != featureList.end(); ++featureIt )
{
addFeature( sctx, layer->name(), levelIt.key()->symbolLayer( llayer ), levelIt.key() );
}
}
}
renderer->stopRender( ctx );
}
void QgsDualView::setFilterMode( QgsAttributeTableFilterModel::FilterMode filterMode )
{
// cleanup any existing connections
switch ( mFilterModel->filterMode() )
{
case QgsAttributeTableFilterModel::ShowVisible:
disconnect( mFilterModel->mapCanvas(), &QgsMapCanvas::extentsChanged, this, &QgsDualView::extentChanged );
break;
case QgsAttributeTableFilterModel::ShowAll:
case QgsAttributeTableFilterModel::ShowEdited:
case QgsAttributeTableFilterModel::ShowFilteredList:
break;
case QgsAttributeTableFilterModel::ShowSelected:
disconnect( masterModel()->layer(), &QgsVectorLayer::selectionChanged, this, &QgsDualView::updateSelectedFeatures );
break;
}
QgsFeatureRequest r = mMasterModel->request();
bool needsGeometry = filterMode == QgsAttributeTableFilterModel::ShowVisible;
bool requiresTableReload = ( r.filterType() != QgsFeatureRequest::FilterNone || !r.filterRect().isNull() ) // previous request was subset
|| ( needsGeometry && r.flags() & QgsFeatureRequest::NoGeometry ) // no geometry for last request
|| ( mMasterModel->rowCount() == 0 ); // no features
if ( !needsGeometry )
r.setFlags( r.flags() | QgsFeatureRequest::NoGeometry );
else
r.setFlags( r.flags() & ~( QgsFeatureRequest::NoGeometry ) );
r.setFilterFids( QgsFeatureIds() );
r.setFilterRect( QgsRectangle() );
r.disableFilter();
// setup new connections and filter request parameters
switch ( filterMode )
{
case QgsAttributeTableFilterModel::ShowVisible:
connect( mFilterModel->mapCanvas(), &QgsMapCanvas::extentsChanged, this, &QgsDualView::extentChanged );
if ( mFilterModel->mapCanvas() )
{
QgsRectangle rect = mFilterModel->mapCanvas()->mapSettings().mapToLayerCoordinates( mLayer, mFilterModel->mapCanvas()->extent() );
r.setFilterRect( rect );
}
break;
case QgsAttributeTableFilterModel::ShowAll:
case QgsAttributeTableFilterModel::ShowEdited:
case QgsAttributeTableFilterModel::ShowFilteredList:
break;
case QgsAttributeTableFilterModel::ShowSelected:
connect( masterModel()->layer(), &QgsVectorLayer::selectionChanged, this, &QgsDualView::updateSelectedFeatures );
r.setFilterFids( masterModel()->layer()->selectedFeatureIds() );
break;
}
if ( requiresTableReload )
{
mMasterModel->setRequest( r );
whileBlocking( mLayerCache )->setCacheGeometry( needsGeometry );
mMasterModel->loadLayer();
}
//update filter model
mFilterModel->setFilterMode( filterMode );
emit filterChanged();
}
void QgsDxfExport::writeEntities()
{
startSection();
writeGroup( 2, "ENTITIES" );
//label engine
QgsDxfPalLabeling labelEngine( this, mExtent.isEmpty() ? dxfExtent() : mExtent, mSymbologyScaleDenominator, mMapUnits );
QgsRenderContext& ctx = labelEngine.renderContext();
//iterate through the maplayers
QList< QgsMapLayer* >::iterator layerIt = mLayers.begin();
for ( ; layerIt != mLayers.end(); ++layerIt )
{
QgsVectorLayer* vl = qobject_cast<QgsVectorLayer*>( *layerIt );
if ( !vl || !layerIsScaleBasedVisible( vl ) )
{
continue;
}
QgsSymbolV2RenderContext sctx( ctx, QgsSymbolV2::MM , 1.0, false, 0, 0 );
QgsFeatureRendererV2* renderer = vl->rendererV2();
renderer->startRender( ctx, vl->pendingFields() );
QStringList attributes = renderer->usedAttributes();
bool labelLayer = ( labelEngine.prepareLayer( vl, attributes, ctx ) != 0 );
if ( mSymbologyExport == QgsDxfExport::SymbolLayerSymbology && ( renderer->capabilities() & QgsFeatureRendererV2::SymbolLevels ) &&
renderer->usingSymbolLevels() )
{
writeEntitiesSymbolLevels( vl );
renderer->stopRender( ctx );
continue;
}
QgsFeatureRequest freq = QgsFeatureRequest().setSubsetOfAttributes(
attributes, vl->pendingFields() );
if ( !mExtent.isEmpty() )
{
freq.setFilterRect( mExtent );
}
QgsFeatureIterator featureIt = vl->getFeatures( freq );
QgsFeature fet;
while ( featureIt.nextFeature( fet ) )
{
sctx.setFeature( &fet );
if ( mSymbologyExport == NoSymbology )
{
addFeature( sctx, dxfLayerName( vl->name() ), 0, 0 ); //no symbology at all
}
else
{
if ( !renderer )
{
continue;
}
QgsSymbolV2List symbolList = renderer->symbolsForFeature( fet );
if ( symbolList.size() < 1 )
{
continue;
}
if ( mSymbologyExport == QgsDxfExport::SymbolLayerSymbology ) //symbol layer symbology, but layer does not use symbol levels
{
QgsSymbolV2List::iterator symbolIt = symbolList.begin();
for ( ; symbolIt != symbolList.end(); ++symbolIt )
{
int nSymbolLayers = ( *symbolIt )->symbolLayerCount();
for ( int i = 0; i < nSymbolLayers; ++i )
{
addFeature( sctx, dxfLayerName( vl->name() ), ( *symbolIt )->symbolLayer( i ), *symbolIt );
}
}
}
else
{
//take first symbollayer from first symbol
QgsSymbolV2* s = symbolList.first();
if ( !s || s->symbolLayerCount() < 1 )
{
continue;
}
addFeature( sctx, dxfLayerName( vl->name() ), s->symbolLayer( 0 ), s );
}
if ( labelLayer )
{
labelEngine.registerFeature( vl->id(), fet, ctx );
}
}
}
renderer->stopRender( ctx );
}
labelEngine.drawLabeling( ctx );
endSection();
}
QgsFeatureIds QgsMapToolSelectUtils::getMatchingFeatures( QgsMapCanvas *canvas, const QgsGeometry &selectGeometry, bool doContains, bool singleSelect )
{
QgsFeatureIds newSelectedFeatures;
if ( selectGeometry.type() != QgsWkbTypes::PolygonGeometry )
return newSelectedFeatures;
QgsVectorLayer *vlayer = QgsMapToolSelectUtils::getCurrentVectorLayer( canvas );
if ( !vlayer )
return newSelectedFeatures;
// toLayerCoordinates will throw an exception for any 'invalid' points in
// the rubber band.
// For example, if you project a world map onto a globe using EPSG 2163
// and then click somewhere off the globe, an exception will be thrown.
QgsGeometry selectGeomTrans = selectGeometry;
try
{
QgsCoordinateTransform ct( canvas->mapSettings().destinationCrs(), vlayer->crs(), QgsProject::instance() );
if ( !ct.isShortCircuited() && selectGeomTrans.type() == QgsWkbTypes::PolygonGeometry )
{
// convert add more points to the edges of the rectangle
// improve transformation result
QgsPolygonXY poly( selectGeomTrans.asPolygon() );
if ( poly.size() == 1 && poly.at( 0 ).size() == 5 )
{
const QgsPolylineXY &ringIn = poly.at( 0 );
QgsPolygonXY newpoly( 1 );
newpoly[0].resize( 41 );
QgsPolylineXY &ringOut = newpoly[0];
ringOut[ 0 ] = ringIn.at( 0 );
int i = 1;
for ( int j = 1; j < 5; j++ )
{
QgsVector v( ( ringIn.at( j ) - ringIn.at( j - 1 ) ) / 10.0 );
for ( int k = 0; k < 9; k++ )
{
ringOut[ i ] = ringOut[ i - 1 ] + v;
i++;
}
ringOut[ i++ ] = ringIn.at( j );
}
selectGeomTrans = QgsGeometry::fromPolygonXY( newpoly );
}
}
selectGeomTrans.transform( ct );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
// catch exception for 'invalid' point and leave existing selection unchanged
QgsDebugMsg( QStringLiteral( "Caught CRS exception " ) );
QgisApp::instance()->messageBar()->pushMessage(
QObject::tr( "CRS Exception" ),
QObject::tr( "Selection extends beyond layer's coordinate system" ),
Qgis::Warning,
QgisApp::instance()->messageTimeout() );
return newSelectedFeatures;
}
QgsDebugMsgLevel( "Selection layer: " + vlayer->name(), 3 );
QgsDebugMsgLevel( "Selection polygon: " + selectGeomTrans.asWkt(), 3 );
QgsDebugMsgLevel( "doContains: " + QString( doContains ? "T" : "F" ), 3 );
QgsRenderContext context = QgsRenderContext::fromMapSettings( canvas->mapSettings() );
context.expressionContext() << QgsExpressionContextUtils::layerScope( vlayer );
std::unique_ptr< QgsFeatureRenderer > r;
if ( vlayer->renderer() )
{
r.reset( vlayer->renderer()->clone() );
r->startRender( context, vlayer->fields() );
}
QgsFeatureRequest request;
request.setFilterRect( selectGeomTrans.boundingBox() );
request.setFlags( QgsFeatureRequest::ExactIntersect );
if ( r )
request.setSubsetOfAttributes( r->usedAttributes( context ), vlayer->fields() );
else
request.setNoAttributes();
QgsFeatureIterator fit = vlayer->getFeatures( request );
QgsFeature f;
QgsFeatureId closestFeatureId = 0;
bool foundSingleFeature = false;
double closestFeatureDist = std::numeric_limits<double>::max();
while ( fit.nextFeature( f ) )
{
context.expressionContext().setFeature( f );
// make sure to only use features that are visible
if ( r && !r->willRenderFeature( f, context ) )
continue;
QgsGeometry g = f.geometry();
if ( doContains )
{
if ( !selectGeomTrans.contains( g ) )
continue;
}
else
{
if ( !selectGeomTrans.intersects( g ) )
continue;
}
if ( singleSelect )
{
foundSingleFeature = true;
double distance = g.distance( selectGeomTrans );
if ( distance <= closestFeatureDist )
{
closestFeatureDist = distance;
closestFeatureId = f.id();
}
}
else
{
newSelectedFeatures.insert( f.id() );
}
}
if ( singleSelect && foundSingleFeature )
{
newSelectedFeatures.insert( closestFeatureId );
}
if ( r )
r->stopRender( context );
QgsDebugMsg( "Number of new selected features: " + QString::number( newSelectedFeatures.size() ) );
return newSelectedFeatures;
}
QgsFeatureRequest parseFilterElement( const QString &typeName, QDomElement &filterElem, const QgsProject *project )
{
QgsFeatureRequest request;
QDomNodeList fidNodes = filterElem.elementsByTagName( QStringLiteral( "FeatureId" ) );
QDomNodeList goidNodes = filterElem.elementsByTagName( QStringLiteral( "GmlObjectId" ) );
if ( !fidNodes.isEmpty() )
{
QgsFeatureIds fids;
QDomElement fidElem;
for ( int f = 0; f < fidNodes.size(); f++ )
{
fidElem = fidNodes.at( f ).toElement();
if ( !fidElem.hasAttribute( QStringLiteral( "fid" ) ) )
{
throw QgsRequestNotWellFormedException( "FeatureId element without fid attribute" );
}
QString fid = fidElem.attribute( QStringLiteral( "fid" ) );
if ( fid.contains( QLatin1String( "." ) ) )
{
if ( fid.section( QStringLiteral( "." ), 0, 0 ) != typeName )
continue;
fid = fid.section( QStringLiteral( "." ), 1, 1 );
}
fids.insert( fid.toInt() );
}
if ( !fids.isEmpty() )
{
request.setFilterFids( fids );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "No FeatureId element correctly parse against typeName '%1'" ).arg( typeName ) );
}
request.setFlags( QgsFeatureRequest::NoFlags );
return request;
}
else if ( !goidNodes.isEmpty() )
{
QgsFeatureIds fids;
QDomElement goidElem;
for ( int f = 0; f < goidNodes.size(); f++ )
{
goidElem = goidNodes.at( f ).toElement();
if ( !goidElem.hasAttribute( QStringLiteral( "id" ) ) && !goidElem.hasAttribute( QStringLiteral( "gml:id" ) ) )
{
throw QgsRequestNotWellFormedException( "GmlObjectId element without gml:id attribute" );
}
QString fid = goidElem.attribute( QStringLiteral( "id" ) );
if ( fid.isEmpty() )
fid = goidElem.attribute( QStringLiteral( "gml:id" ) );
if ( fid.contains( QLatin1String( "." ) ) )
{
if ( fid.section( QStringLiteral( "." ), 0, 0 ) != typeName )
continue;
fid = fid.section( QStringLiteral( "." ), 1, 1 );
}
fids.insert( fid.toInt() );
}
if ( !fids.isEmpty() )
{
request.setFilterFids( fids );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "No GmlObjectId element correctly parse against typeName '%1'" ).arg( typeName ) );
}
request.setFlags( QgsFeatureRequest::NoFlags );
return request;
}
else if ( filterElem.firstChildElement().tagName() == QLatin1String( "BBOX" ) )
{
QDomElement bboxElem = filterElem.firstChildElement();
QDomElement childElem = bboxElem.firstChildElement();
while ( !childElem.isNull() )
{
if ( childElem.tagName() == QLatin1String( "Box" ) )
{
request.setFilterRect( QgsOgcUtils::rectangleFromGMLBox( childElem ) );
}
else if ( childElem.tagName() != QLatin1String( "PropertyName" ) )
{
QgsGeometry geom = QgsOgcUtils::geometryFromGML( childElem );
request.setFilterRect( geom.boundingBox() );
}
childElem = childElem.nextSiblingElement();
}
request.setFlags( QgsFeatureRequest::ExactIntersect | QgsFeatureRequest::NoFlags );
return request;
}
// Apply BBOX through filterRect even inside an And to use spatial index
else if ( filterElem.firstChildElement().tagName() == QLatin1String( "And" ) &&
!filterElem.firstChildElement().firstChildElement( QLatin1String( "BBOX" ) ).isNull() )
{
QDomElement childElem = filterElem.firstChildElement().firstChildElement();
while ( !childElem.isNull() )
{
QDomElement childFilterElement = filterElem.ownerDocument().createElement( QLatin1String( "Filter" ) );
childFilterElement.appendChild( childElem.cloneNode( true ) );
QgsFeatureRequest childRequest = parseFilterElement( typeName, childFilterElement );
if ( childElem.tagName() == QLatin1String( "BBOX" ) )
{
if ( request.filterRect().isEmpty() )
{
request.setFilterRect( childRequest.filterRect() );
}
else
{
request.setFilterRect( request.filterRect().intersect( childRequest.filterRect() ) );
}
}
else
{
if ( !request.filterExpression() )
{
request.setFilterExpression( childRequest.filterExpression()->expression() );
}
else
{
QgsExpressionNode *opLeft = request.filterExpression()->rootNode()->clone();
QgsExpressionNode *opRight = childRequest.filterExpression()->rootNode()->clone();
std::unique_ptr<QgsExpressionNodeBinaryOperator> node = qgis::make_unique<QgsExpressionNodeBinaryOperator>( QgsExpressionNodeBinaryOperator::boAnd, opLeft, opRight );
QgsExpression expr( node->dump() );
request.setFilterExpression( expr );
}
}
childElem = childElem.nextSiblingElement();
}
request.setFlags( QgsFeatureRequest::ExactIntersect | QgsFeatureRequest::NoFlags );
return request;
}
else
{
QgsVectorLayer *layer = nullptr;
if ( project != nullptr )
{
layer = layerByTypeName( project, typeName );
}
std::shared_ptr<QgsExpression> filter( QgsOgcUtils::expressionFromOgcFilter( filterElem, layer ) );
if ( filter )
{
if ( filter->hasParserError() )
{
throw QgsRequestNotWellFormedException( filter->parserErrorString() );
}
if ( filter->needsGeometry() )
{
request.setFlags( QgsFeatureRequest::NoFlags );
}
request.setFilterExpression( filter->expression() );
return request;
}
}
return request;
}
QgsAttributeTableDialog::QgsAttributeTableDialog( QgsVectorLayer *layer, QgsAttributeTableFilterModel::FilterMode initialMode, QWidget *parent, Qt::WindowFlags flags )
: QDialog( parent, flags )
, mLayer( layer )
{
setObjectName( QStringLiteral( "QgsAttributeTableDialog/" ) + layer->id() );
setupUi( this );
connect( mActionCutSelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionCutSelectedRows_triggered );
connect( mActionCopySelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionCopySelectedRows_triggered );
connect( mActionPasteFeatures, &QAction::triggered, this, &QgsAttributeTableDialog::mActionPasteFeatures_triggered );
connect( mActionToggleEditing, &QAction::toggled, this, &QgsAttributeTableDialog::mActionToggleEditing_toggled );
connect( mActionSaveEdits, &QAction::triggered, this, &QgsAttributeTableDialog::mActionSaveEdits_triggered );
connect( mActionReload, &QAction::triggered, this, &QgsAttributeTableDialog::mActionReload_triggered );
connect( mActionInvertSelection, &QAction::triggered, this, &QgsAttributeTableDialog::mActionInvertSelection_triggered );
connect( mActionRemoveSelection, &QAction::triggered, this, &QgsAttributeTableDialog::mActionRemoveSelection_triggered );
connect( mActionSelectAll, &QAction::triggered, this, &QgsAttributeTableDialog::mActionSelectAll_triggered );
connect( mActionZoomMapToSelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionZoomMapToSelectedRows_triggered );
connect( mActionPanMapToSelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionPanMapToSelectedRows_triggered );
connect( mActionSelectedToTop, &QAction::toggled, this, &QgsAttributeTableDialog::mActionSelectedToTop_toggled );
connect( mActionAddAttribute, &QAction::triggered, this, &QgsAttributeTableDialog::mActionAddAttribute_triggered );
connect( mActionRemoveAttribute, &QAction::triggered, this, &QgsAttributeTableDialog::mActionRemoveAttribute_triggered );
connect( mActionOpenFieldCalculator, &QAction::triggered, this, &QgsAttributeTableDialog::mActionOpenFieldCalculator_triggered );
connect( mActionDeleteSelected, &QAction::triggered, this, &QgsAttributeTableDialog::mActionDeleteSelected_triggered );
connect( mMainView, &QgsDualView::currentChanged, this, &QgsAttributeTableDialog::mMainView_currentChanged );
connect( mActionAddFeature, &QAction::triggered, this, &QgsAttributeTableDialog::mActionAddFeature_triggered );
connect( mActionExpressionSelect, &QAction::triggered, this, &QgsAttributeTableDialog::mActionExpressionSelect_triggered );
connect( mMainView, &QgsDualView::showContextMenuExternally, this, &QgsAttributeTableDialog::showContextMenu );
const QgsFields fields = mLayer->fields();
for ( const QgsField &field : fields )
{
mVisibleFields.append( field.name() );
}
// Fix selection color on losing focus (Windows)
setStyleSheet( QgisApp::instance()->styleSheet() );
setAttribute( Qt::WA_DeleteOnClose );
layout()->setMargin( 0 );
layout()->setContentsMargins( 0, 0, 0, 0 );
static_cast< QGridLayout * >( layout() )->setVerticalSpacing( 0 );
QgsSettings settings;
int size = settings.value( QStringLiteral( "/qgis/iconSize" ), 16 ).toInt();
if ( size > 32 )
{
size -= 16;
}
else if ( size == 32 )
{
size = 24;
}
else
{
size = 16;
}
mToolbar->setIconSize( QSize( size, size ) );
// Initialize the window geometry
restoreGeometry( settings.value( QStringLiteral( "Windows/BetterAttributeTable/geometry" ) ).toByteArray() );
myDa = new QgsDistanceArea();
myDa->setSourceCrs( mLayer->crs(), QgsProject::instance()->transformContext() );
myDa->setEllipsoid( QgsProject::instance()->ellipsoid() );
mEditorContext.setDistanceArea( *myDa );
mEditorContext.setVectorLayerTools( QgisApp::instance()->vectorLayerTools() );
mEditorContext.setMapCanvas( QgisApp::instance()->mapCanvas() );
QgsFeatureRequest r;
bool needsGeom = false;
if ( mLayer->geometryType() != QgsWkbTypes::NullGeometry &&
initialMode == QgsAttributeTableFilterModel::ShowVisible )
{
QgsMapCanvas *mc = QgisApp::instance()->mapCanvas();
QgsRectangle extent( mc->mapSettings().mapToLayerCoordinates( layer, mc->extent() ) );
r.setFilterRect( extent );
needsGeom = true;
}
else if ( initialMode == QgsAttributeTableFilterModel::ShowSelected )
{
r.setFilterFids( layer->selectedFeatureIds() );
}
if ( !needsGeom )
r.setFlags( QgsFeatureRequest::NoGeometry );
// Initialize dual view
mMainView->init( mLayer, QgisApp::instance()->mapCanvas(), r, mEditorContext, false );
QgsAttributeTableConfig config = mLayer->attributeTableConfig();
mMainView->setAttributeTableConfig( config );
// Initialize filter gui elements
mFilterActionMapper = new QSignalMapper( this );
mFilterColumnsMenu = new QMenu( this );
mActionFilterColumnsMenu->setMenu( mFilterColumnsMenu );
mApplyFilterButton->setDefaultAction( mActionApplyFilter );
// Set filter icon in a couple of places
QIcon filterIcon = QgsApplication::getThemeIcon( "/mActionFilter2.svg" );
mActionShowAllFilter->setIcon( filterIcon );
mActionAdvancedFilter->setIcon( filterIcon );
mActionSelectedFilter->setIcon( filterIcon );
mActionVisibleFilter->setIcon( filterIcon );
mActionEditedFilter->setIcon( filterIcon );
mActionFeatureActions = new QToolButton();
mActionFeatureActions->setAutoRaise( false );
mActionFeatureActions->setPopupMode( QToolButton::InstantPopup );
mActionFeatureActions->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mAction.svg" ) ) );
mActionFeatureActions->setText( tr( "Actions" ) );
mActionFeatureActions->setToolTip( tr( "Actions" ) );
mToolbar->addWidget( mActionFeatureActions );
// Connect filter signals
connect( mActionAdvancedFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterExpressionBuilder );
connect( mActionShowAllFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterShowAll );
connect( mActionSelectedFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterSelected );
connect( mActionVisibleFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterVisible );
connect( mActionEditedFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterEdited );
connect( mFilterActionMapper, SIGNAL( mapped( QObject * ) ), SLOT( filterColumnChanged( QObject * ) ) );
connect( mFilterQuery, &QLineEdit::returnPressed, this, &QgsAttributeTableDialog::filterQueryAccepted );
connect( mActionApplyFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterQueryAccepted );
connect( mActionSetStyles, &QAction::triggered, this, &QgsAttributeTableDialog::openConditionalStyles );
// info from layer to table
connect( mLayer, &QgsVectorLayer::editingStarted, this, &QgsAttributeTableDialog::editingToggled );
connect( mLayer, &QgsVectorLayer::editingStopped, this, &QgsAttributeTableDialog::editingToggled );
connect( mLayer, &QObject::destroyed, mMainView, &QgsDualView::cancelProgress );
connect( mLayer, &QgsVectorLayer::selectionChanged, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::featureAdded, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::featuresDeleted, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::editingStopped, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::attributeAdded, this, &QgsAttributeTableDialog::columnBoxInit );
connect( mLayer, &QgsVectorLayer::attributeDeleted, this, &QgsAttributeTableDialog::columnBoxInit );
connect( mLayer, &QgsVectorLayer::readOnlyChanged, this, &QgsAttributeTableDialog::editingToggled );
// connect table info to window
connect( mMainView, &QgsDualView::filterChanged, this, &QgsAttributeTableDialog::updateTitle );
connect( mMainView, &QgsDualView::filterExpressionSet, this, &QgsAttributeTableDialog::formFilterSet );
connect( mMainView, &QgsDualView::formModeChanged, this, &QgsAttributeTableDialog::viewModeChanged );
// info from table to application
connect( this, &QgsAttributeTableDialog::saveEdits, this, [ = ] { QgisApp::instance()->saveEdits(); } );
const bool dockTable = settings.value( QStringLiteral( "qgis/dockAttributeTable" ), false ).toBool();
if ( dockTable )
{
mDock = new QgsAttributeTableDock( QString(), QgisApp::instance() );
mDock->setWidget( this );
connect( this, &QObject::destroyed, mDock, &QWidget::close );
QgisApp::instance()->addDockWidget( Qt::BottomDockWidgetArea, mDock );
}
mActionDockUndock->setChecked( dockTable );
connect( mActionDockUndock, &QAction::toggled, this, &QgsAttributeTableDialog::toggleDockMode );
installEventFilter( this );
columnBoxInit();
updateTitle();
mActionRemoveSelection->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionDeselectAll.svg" ) ) );
mActionSelectAll->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSelectAll.svg" ) ) );
mActionSelectedToTop->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSelectedToTop.svg" ) ) );
mActionCopySelectedRows->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionEditCopy.svg" ) ) );
mActionPasteFeatures->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionEditPaste.svg" ) ) );
mActionZoomMapToSelectedRows->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionZoomToSelected.svg" ) ) );
mActionPanMapToSelectedRows->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionPanToSelected.svg" ) ) );
mActionInvertSelection->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionInvertSelection.svg" ) ) );
mActionToggleEditing->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionToggleEditing.svg" ) ) );
mActionSaveEdits->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSaveEdits.svg" ) ) );
mActionDeleteSelected->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionDeleteSelected.svg" ) ) );
mActionOpenFieldCalculator->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionCalculateField.svg" ) ) );
mActionAddAttribute->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionNewAttribute.svg" ) ) );
mActionRemoveAttribute->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionDeleteAttribute.svg" ) ) );
mTableViewButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionOpenTable.svg" ) ) );
mAttributeViewButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionFormView.svg" ) ) );
mActionExpressionSelect->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mIconExpressionSelect.svg" ) ) );
mActionAddFeature->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionNewTableRow.svg" ) ) );
mActionFeatureActions->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mAction.svg" ) ) );
// toggle editing
bool canChangeAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::ChangeAttributeValues;
bool canDeleteFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteFeatures;
bool canAddAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddAttributes;
bool canDeleteAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteAttributes;
bool canAddFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddFeatures;
mActionToggleEditing->blockSignals( true );
mActionToggleEditing->setCheckable( true );
mActionToggleEditing->setChecked( mLayer->isEditable() );
mActionToggleEditing->blockSignals( false );
mActionSaveEdits->setEnabled( mActionToggleEditing->isEnabled() && mLayer->isEditable() );
mActionReload->setEnabled( ! mLayer->isEditable() );
mActionAddAttribute->setEnabled( ( canChangeAttributes || canAddAttributes ) && mLayer->isEditable() );
mActionRemoveAttribute->setEnabled( canDeleteAttributes && mLayer->isEditable() );
if ( !canDeleteFeatures )
{
mToolbar->removeAction( mActionDeleteSelected );
mToolbar->removeAction( mActionCutSelectedRows );
}
mActionAddFeature->setEnabled( canAddFeatures && mLayer->isEditable() );
mActionPasteFeatures->setEnabled( canAddFeatures && mLayer->isEditable() );
if ( !canAddFeatures )
{
mToolbar->removeAction( mActionAddFeature );
mToolbar->removeAction( mActionPasteFeatures );
}
mMainViewButtonGroup->setId( mTableViewButton, QgsDualView::AttributeTable );
mMainViewButtonGroup->setId( mAttributeViewButton, QgsDualView::AttributeEditor );
switch ( initialMode )
{
case QgsAttributeTableFilterModel::ShowVisible:
filterVisible();
break;
case QgsAttributeTableFilterModel::ShowSelected:
filterSelected();
break;
case QgsAttributeTableFilterModel::ShowAll:
default:
filterShowAll();
break;
}
// Layer might have been destroyed while loading!
if ( mLayer )
{
mUpdateExpressionText->registerExpressionContextGenerator( this );
mFieldCombo->setFilters( QgsFieldProxyModel::AllTypes | QgsFieldProxyModel::HideReadOnly );
mFieldCombo->setLayer( mLayer );
connect( mRunFieldCalc, &QAbstractButton::clicked, this, &QgsAttributeTableDialog::updateFieldFromExpression );
connect( mRunFieldCalcSelected, &QAbstractButton::clicked, this, &QgsAttributeTableDialog::updateFieldFromExpressionSelected );
// NW TODO Fix in 2.6 - Doesn't work with field model for some reason.
// connect( mUpdateExpressionText, SIGNAL( returnPressed() ), this, SLOT( updateFieldFromExpression() ) );
connect( mUpdateExpressionText, static_cast < void ( QgsFieldExpressionWidget::* )( const QString &, bool ) > ( &QgsFieldExpressionWidget::fieldChanged ), this, &QgsAttributeTableDialog::updateButtonStatus );
mUpdateExpressionText->setLayer( mLayer );
mUpdateExpressionText->setLeftHandButtonStyle( true );
int initialView = settings.value( QStringLiteral( "qgis/attributeTableView" ), -1 ).toInt();
if ( initialView < 0 )
{
initialView = settings.value( QStringLiteral( "qgis/attributeTableLastView" ), QgsDualView::AttributeTable ).toInt();
}
mMainView->setView( static_cast< QgsDualView::ViewMode >( initialView ) );
mMainViewButtonGroup->button( initialView )->setChecked( true );
connect( mActionToggleMultiEdit, &QAction::toggled, mMainView, &QgsDualView::setMultiEditEnabled );
connect( mActionSearchForm, &QAction::toggled, mMainView, &QgsDualView::toggleSearchMode );
updateMultiEditButtonState();
if ( mLayer->editFormConfig().layout() == QgsEditFormConfig::UiFileLayout )
{
//not supported with custom UI
mActionToggleMultiEdit->setEnabled( false );
mActionToggleMultiEdit->setToolTip( tr( "Multiedit is not supported when using custom UI forms" ) );
mActionSearchForm->setEnabled( false );
mActionSearchForm->setToolTip( tr( "Search is not supported when using custom UI forms" ) );
}
editingToggled();
// Close and delete if the layer has been destroyed
connect( mLayer, &QObject::destroyed, this, &QWidget::close );
}
else
{
QWidget::close();
}
}
QgsFeatureList QgsQuickIdentifyKit::identifyVectorLayer( QgsVectorLayer *layer, const QgsPointXY &point ) const
{
QgsFeatureList results;
if ( !layer || !layer->isSpatial() )
return results;
if ( !layer->isInScaleRange( mMapSettings->mapSettings().scale() ) )
return results;
QgsFeatureList featureList;
// toLayerCoordinates will throw an exception for an 'invalid' point.
// For example, if you project a world map onto a globe using EPSG 2163
// and then click somewhere off the globe, an exception will be thrown.
try
{
// create the search rectangle
double searchRadius = searchRadiusMU();
QgsRectangle r;
r.setXMinimum( point.x() - searchRadius );
r.setXMaximum( point.x() + searchRadius );
r.setYMinimum( point.y() - searchRadius );
r.setYMaximum( point.y() + searchRadius );
r = toLayerCoordinates( layer, r );
QgsFeatureRequest req;
req.setFilterRect( r );
req.setLimit( mFeaturesLimit );
req.setFlags( QgsFeatureRequest::ExactIntersect );
QgsFeatureIterator fit = layer->getFeatures( req );
QgsFeature f;
while ( fit.nextFeature( f ) )
featureList << QgsFeature( f );
}
catch ( QgsCsException &cse )
{
QgsDebugMsg( QStringLiteral( "Invalid point, proceed without a found features." ) );
Q_UNUSED( cse );
}
bool filter = false;
QgsRenderContext context( QgsRenderContext::fromMapSettings( mMapSettings->mapSettings() ) );
context.expressionContext() << QgsExpressionContextUtils::layerScope( layer );
QgsFeatureRenderer *renderer = layer->renderer();
if ( renderer && renderer->capabilities() & QgsFeatureRenderer::ScaleDependent )
{
// setup scale for scale dependent visibility (rule based)
renderer->startRender( context, layer->fields() );
filter = renderer->capabilities() & QgsFeatureRenderer::Filter;
}
for ( const QgsFeature &feature : featureList )
{
context.expressionContext().setFeature( feature );
if ( filter && !renderer->willRenderFeature( const_cast<QgsFeature &>( feature ), context ) )
continue;
results.append( feature );
}
if ( renderer && renderer->capabilities() & QgsFeatureRenderer::ScaleDependent )
{
renderer->stopRender( context );
}
return results;
}
