void QgsGeometryGeneratorSymbolLayer::setSymbolType( QgsSymbol::SymbolType symbolType )
{
if ( symbolType == QgsSymbol::Fill )
{
if ( !mFillSymbol )
mFillSymbol = QgsFillSymbol::createSimple( QgsStringMap() );
mSymbol = mFillSymbol;
}
else if ( symbolType == QgsSymbol::Line )
{
if ( !mLineSymbol )
mLineSymbol = QgsLineSymbol::createSimple( QgsStringMap() );
mSymbol = mLineSymbol;
}
else if ( symbolType == QgsSymbol::Marker )
{
if ( !mMarkerSymbol )
mMarkerSymbol = QgsMarkerSymbol::createSimple( QgsStringMap() );
mSymbol = mMarkerSymbol;
}
else
Q_ASSERT( false );
mSymbolType = symbolType;
}
QgsDiagramRenderer::QgsDiagramRenderer()
: mDiagram( nullptr )
, mShowAttributeLegend( true )
, mShowSizeLegend( false )
, mSizeLegendSymbol( QgsMarkerSymbol::createSimple( QgsStringMap() ) )
{
}
void QgsSymbolV2PropertiesDialog::layerTypeChanged()
{
QgsSymbolLayerV2* layer = currentLayer();
if ( layer == NULL ) return;
QString newLayerType = cboLayerType->itemData( cboLayerType->currentIndex() ).toString();
if ( layer->layerType() == newLayerType )
return;
// get creation function for new layer from registry
QgsSymbolLayerV2Registry* pReg = QgsSymbolLayerV2Registry::instance();
QgsSymbolLayerV2AbstractMetadata* am = pReg->symbolLayerMetadata( newLayerType );
if ( am == NULL ) // check whether the metadata is assigned
return;
// change layer to a new (with different type)
QgsSymbolLayerV2* newLayer = am->createSymbolLayer( QgsStringMap() );
if ( newLayer == NULL )
return;
mSymbol->changeSymbolLayer( currentLayerIndex(), newLayer );
updateSymbolLayerWidget( newLayer );
// update symbol layer item
SymbolLayerItem* item = currentLayerItem();
item->setLayer( newLayer );
item->updatePreview();
updatePreview();
}
void QgsVectorLayerSimpleLabeling::toSld( QDomNode &parent, const QgsStringMap &props ) const
{
if ( mSettings->drawLabels )
{
QDomDocument doc = parent.ownerDocument();
QDomElement ruleElement = doc.createElement( QStringLiteral( "se:Rule" ) );
parent.appendChild( ruleElement );
// scale dependencies
if ( mSettings->scaleVisibility )
{
QgsStringMap scaleProps = QgsStringMap();
// tricky here, the max scale is expressed as its denominator, but it's still the max scale
// in other words, the smallest scale denominator....
scaleProps.insert( "scaleMinDenom", qgsDoubleToString( mSettings->maximumScale ) );
scaleProps.insert( "scaleMaxDenom", qgsDoubleToString( mSettings->minimumScale ) );
QgsSymbolLayerUtils::applyScaleDependency( doc, ruleElement, scaleProps );
}
writeTextSymbolizer( ruleElement, *mSettings, props );
}
}
QgsArrowSymbolLayer::QgsArrowSymbolLayer()
: QgsLineSymbolLayerV2()
, mArrowWidth( 1.0 )
, mArrowWidthUnit( QgsSymbolV2::MM )
, mArrowStartWidth( 1.0 )
, mArrowStartWidthUnit( QgsSymbolV2::MM )
, mHeadWidth( 1.5 )
, mHeadWidthUnit( QgsSymbolV2::MM )
, mHeadHeight( 1.5 )
, mHeadHeightUnit( QgsSymbolV2::MM )
, mHeadType( HeadSingle )
, mArrowType( ArrowPlain )
, mIsCurved( true )
, mIsRepeated( true )
, mScaledArrowWidth( 1.0 )
, mScaledArrowStartWidth( 1.0 )
, mScaledHeadWidth( 1.5 )
, mScaledHeadHeight( 1.5 )
, mScaledOffset( 0.0 )
, mComputedHeadType( HeadSingle )
, mComputedArrowType( ArrowPlain )
{
/* default values */
setOffset( 0.0 );
setOffsetUnit( QgsSymbolV2::MM );
mSymbol.reset( static_cast<QgsFillSymbolV2*>( QgsFillSymbolV2::createSimple( QgsStringMap() ) ) );
}
// get uniqueConfigId only on save
QgsAuthMethodConfig::QgsAuthMethodConfig( const QString& method, int version )
: mId( QString() )
, mName( QString() )
, mUri( QString() )
, mMethod( method )
, mVersion( version )
, mConfigMap( QgsStringMap() )
{
}
void QgsLayerPropertiesWidget::layerTypeChanged()
{
QgsSymbolLayerV2* layer = mLayer;
if ( !layer )
return;
QString newLayerType = cboLayerType->itemData( cboLayerType->currentIndex() ).toString();
if ( layer->layerType() == newLayerType )
return;
// get creation function for new layer from registry
QgsSymbolLayerV2Registry* pReg = QgsSymbolLayerV2Registry::instance();
QgsSymbolLayerV2AbstractMetadata* am = pReg->symbolLayerMetadata( newLayerType );
if ( am == NULL ) // check whether the metadata is assigned
return;
// change layer to a new (with different type)
QgsSymbolLayerV2* newLayer = am->createSymbolLayer( QgsStringMap() );
if ( newLayer == NULL )
return;
updateSymbolLayerWidget( newLayer );
emit changeLayer( newLayer );
}
QgsDiagramProperties::QgsDiagramProperties( QgsVectorLayer* layer, QWidget* parent, QgsMapCanvas *canvas )
: QWidget( parent )
, mMapCanvas( canvas )
{
mLayer = layer;
if ( !layer )
{
return;
}
setupUi( this );
// get rid of annoying outer focus rect on Mac
mDiagramOptionsListWidget->setAttribute( Qt::WA_MacShowFocusRect, false );
mDiagramTypeComboBox->blockSignals( true );
QPixmap pix = QgsApplication::getThemePixmap( "diagramNone" );
mDiagramTypeComboBox->addItem( pix, tr( "No diagrams" ), "None" );
pix = QgsApplication::getThemePixmap( "pie-chart" );
mDiagramTypeComboBox->addItem( pix, tr( "Pie chart" ), DIAGRAM_NAME_PIE );
pix = QgsApplication::getThemePixmap( "text" );
mDiagramTypeComboBox->addItem( pix, tr( "Text diagram" ), DIAGRAM_NAME_TEXT );
pix = QgsApplication::getThemePixmap( "histogram" );
mDiagramTypeComboBox->addItem( pix, tr( "Histogram" ), DIAGRAM_NAME_HISTOGRAM );
mDiagramTypeComboBox->blockSignals( false );
mScaleRangeWidget->setMapCanvas( QgisApp::instance()->mapCanvas() );
mSizeFieldExpressionWidget->registerExpressionContextGenerator( this );
mBackgroundColorButton->setColorDialogTitle( tr( "Select background color" ) );
mBackgroundColorButton->setAllowAlpha( true );
mBackgroundColorButton->setContext( "symbology" );
mBackgroundColorButton->setShowNoColor( true );
mBackgroundColorButton->setNoColorString( tr( "Transparent background" ) );
mDiagramPenColorButton->setColorDialogTitle( tr( "Select pen color" ) );
mDiagramPenColorButton->setAllowAlpha( true );
mDiagramPenColorButton->setContext( "symbology" );
mDiagramPenColorButton->setShowNoColor( true );
mDiagramPenColorButton->setNoColorString( tr( "Transparent outline" ) );
mMaxValueSpinBox->setShowClearButton( false );
connect( mFixedSizeRadio, SIGNAL( toggled( bool ) ), this, SLOT( scalingTypeChanged() ) );
connect( mAttributeBasedScalingRadio, SIGNAL( toggled( bool ) ), this, SLOT( scalingTypeChanged() ) );
mDiagramUnitComboBox->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels );
mDiagramLineUnitComboBox->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels );
QgsWkbTypes::GeometryType layerType = layer->geometryType();
if ( layerType == QgsWkbTypes::UnknownGeometry || layerType == QgsWkbTypes::NullGeometry )
{
mDiagramTypeComboBox->setEnabled( false );
mDiagramFrame->setEnabled( false );
}
//insert placement options
mPlacementComboBox->blockSignals( true );
switch ( layerType )
{
case QgsWkbTypes::PointGeometry:
mPlacementComboBox->addItem( tr( "Around Point" ), QgsDiagramLayerSettings::AroundPoint );
mPlacementComboBox->addItem( tr( "Over Point" ), QgsDiagramLayerSettings::OverPoint );
mLinePlacementFrame->setVisible( false );
break;
case QgsWkbTypes::LineGeometry:
mPlacementComboBox->addItem( tr( "Around Line" ), QgsDiagramLayerSettings::Line );
mPlacementComboBox->addItem( tr( "Over Line" ), QgsDiagramLayerSettings::Horizontal );
mLinePlacementFrame->setVisible( true );
break;
case QgsWkbTypes::PolygonGeometry:
mPlacementComboBox->addItem( tr( "Around Centroid" ), QgsDiagramLayerSettings::AroundPoint );
mPlacementComboBox->addItem( tr( "Over Centroid" ), QgsDiagramLayerSettings::OverPoint );
mPlacementComboBox->addItem( tr( "Perimeter" ), QgsDiagramLayerSettings::Line );
mPlacementComboBox->addItem( tr( "Inside Polygon" ), QgsDiagramLayerSettings::Horizontal );
mLinePlacementFrame->setVisible( false );
break;
default:
break;
}
mPlacementComboBox->blockSignals( false );
mLabelPlacementComboBox->addItem( tr( "Height" ), QgsDiagramSettings::Height );
mLabelPlacementComboBox->addItem( tr( "x-height" ), QgsDiagramSettings::XHeight );
mScaleDependencyComboBox->addItem( tr( "Area" ), true );
mScaleDependencyComboBox->addItem( tr( "Diameter" ), false );
mDataDefinedXComboBox->addItem( tr( "None" ), -1 );
mDataDefinedYComboBox->addItem( tr( "None" ), -1 );
mAngleOffsetComboBox->addItem( tr( "Top" ), 90 * 16 );
mAngleOffsetComboBox->addItem( tr( "Right" ), 0 );
mAngleOffsetComboBox->addItem( tr( "Bottom" ), 270 * 16 );
mAngleOffsetComboBox->addItem( tr( "Left" ), 180 * 16 );
mDataDefinedVisibilityComboBox->addItem( tr( "None" ), -1 );
QSettings settings;
// reset horiz strech of left side of options splitter (set to 1 for previewing in Qt Designer)
QSizePolicy policy( mDiagramOptionsListFrame->sizePolicy() );
policy.setHorizontalStretch( 0 );
mDiagramOptionsListFrame->setSizePolicy( policy );
if ( !settings.contains( QString( "/Windows/Diagrams/OptionsSplitState" ) ) )
{
// set left list widget width on intial showing
QList<int> splitsizes;
splitsizes << 115;
mDiagramOptionsSplitter->setSizes( splitsizes );
}
// restore dialog, splitters and current tab
mDiagramOptionsSplitter->restoreState( settings.value( QString( "/Windows/Diagrams/OptionsSplitState" ) ).toByteArray() );
mDiagramOptionsListWidget->setCurrentRow( settings.value( QString( "/Windows/Diagrams/Tab" ), 0 ).toInt() );
// field combo and expression button
mSizeFieldExpressionWidget->setLayer( mLayer );
QgsDistanceArea myDa;
myDa.setSourceCrs( mLayer->crs().srsid() );
myDa.setEllipsoidalMode( QgisApp::instance()->mapCanvas()->mapSettings().hasCrsTransformEnabled() );
myDa.setEllipsoid( QgsProject::instance()->readEntry( "Measure", "/Ellipsoid", GEO_NONE ) );
mSizeFieldExpressionWidget->setGeomCalculator( myDa );
//insert all attributes into the combo boxes
const QgsFields& layerFields = layer->fields();
for ( int idx = 0; idx < layerFields.count(); ++idx )
{
QTreeWidgetItem *newItem = new QTreeWidgetItem( mAttributesTreeWidget );
QString name = QString( "\"%1\"" ).arg( layerFields.at( idx ).name() );
newItem->setText( 0, name );
newItem->setData( 0, Qt::UserRole, name );
newItem->setFlags( newItem->flags() & ~Qt::ItemIsDropEnabled );
mDataDefinedXComboBox->addItem( layerFields.at( idx ).name(), idx );
mDataDefinedYComboBox->addItem( layerFields.at( idx ).name(), idx );
mDataDefinedVisibilityComboBox->addItem( layerFields.at( idx ).name(), idx );
}
const QgsDiagramRenderer* dr = layer->diagramRenderer();
if ( !dr ) //no diagram renderer yet, insert reasonable default
{
mDiagramTypeComboBox->blockSignals( true );
mDiagramTypeComboBox->setCurrentIndex( 0 );
mDiagramTypeComboBox->blockSignals( false );
mFixedSizeRadio->setChecked( true );
mDiagramUnitComboBox->setUnit( QgsUnitTypes::RenderMillimeters );
mDiagramLineUnitComboBox->setUnit( QgsUnitTypes::RenderMillimeters );
mLabelPlacementComboBox->setCurrentIndex( mLabelPlacementComboBox->findText( tr( "x-height" ) ) );
mDiagramSizeSpinBox->setEnabled( true );
mDiagramSizeSpinBox->setValue( 15 );
mLinearScaleFrame->setEnabled( false );
mIncreaseMinimumSizeSpinBox->setEnabled( false );
mIncreaseMinimumSizeLabel->setEnabled( false );
mBarWidthSpinBox->setValue( 5 );
mScaleVisibilityGroupBox->setChecked( layer->hasScaleBasedVisibility() );
mScaleRangeWidget->setScaleRange( 1.0 / layer->maximumScale(), 1.0 / layer->minimumScale() ); // caution: layer uses scale denoms, widget uses true scales
mShowAllCheckBox->setChecked( true );
mDataDefinedVisibilityGroupBox->setChecked( false );
mCheckBoxAttributeLegend->setChecked( true );
mCheckBoxSizeLegend->setChecked( false );
mSizeLegendSymbol.reset( QgsMarkerSymbol::createSimple( QgsStringMap() ) );
switch ( layerType )
{
case QgsWkbTypes::PointGeometry:
mPlacementComboBox->setCurrentIndex( mPlacementComboBox->findData( QgsDiagramLayerSettings::AroundPoint ) );
break;
case QgsWkbTypes::LineGeometry:
mPlacementComboBox->setCurrentIndex( mPlacementComboBox->findData( QgsDiagramLayerSettings::Line ) );
chkLineAbove->setChecked( true );
chkLineBelow->setChecked( false );
chkLineOn->setChecked( false );
chkLineOrientationDependent->setChecked( false );
break;
case QgsWkbTypes::PolygonGeometry:
mPlacementComboBox->setCurrentIndex( mPlacementComboBox->findData( QgsDiagramLayerSettings::AroundPoint ) );
break;
case QgsWkbTypes::UnknownGeometry:
case QgsWkbTypes::NullGeometry:
break;
}
mBackgroundColorButton->setColor( QColor( 255, 255, 255, 255 ) );
//force a refresh of widget status to match diagram type
on_mDiagramTypeComboBox_currentIndexChanged( mDiagramTypeComboBox->currentIndex() );
}
else // already a diagram renderer present
{
//single category renderer or interpolated one?
if ( dr->rendererName() == "SingleCategory" )
{
mFixedSizeRadio->setChecked( true );
}
else
{
mAttributeBasedScalingRadio->setChecked( true );
}
mDiagramSizeSpinBox->setEnabled( mFixedSizeRadio->isChecked() );
mLinearScaleFrame->setEnabled( mAttributeBasedScalingRadio->isChecked() );
mCheckBoxAttributeLegend->setChecked( dr->attributeLegend() );
mCheckBoxSizeLegend->setChecked( dr->sizeLegend() );
mSizeLegendSymbol.reset( dr->sizeLegendSymbol() ? dr->sizeLegendSymbol()->clone() : QgsMarkerSymbol::createSimple( QgsStringMap() ) );
QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( mSizeLegendSymbol.data(), mButtonSizeLegendSymbol->iconSize() );
mButtonSizeLegendSymbol->setIcon( icon );
//assume single category or linearly interpolated diagram renderer for now
QList<QgsDiagramSettings> settingList = dr->diagramSettings();
if ( !settingList.isEmpty() )
{
mDiagramFrame->setEnabled( settingList.at( 0 ).enabled );
mDiagramFont = settingList.at( 0 ).font;
QSizeF size = settingList.at( 0 ).size;
mBackgroundColorButton->setColor( settingList.at( 0 ).backgroundColor );
mTransparencySpinBox->setValue( settingList.at( 0 ).transparency * 100.0 / 255.0 );
mTransparencySlider->setValue( mTransparencySpinBox->value() );
mDiagramPenColorButton->setColor( settingList.at( 0 ).penColor );
mPenWidthSpinBox->setValue( settingList.at( 0 ).penWidth );
mDiagramSizeSpinBox->setValue(( size.width() + size.height() ) / 2.0 );
// caution: layer uses scale denoms, widget uses true scales
mScaleRangeWidget->setScaleRange( 1.0 / ( settingList.at( 0 ).maxScaleDenominator > 0 ? settingList.at( 0 ).maxScaleDenominator : layer->maximumScale() ),
1.0 / ( settingList.at( 0 ).minScaleDenominator > 0 ? settingList.at( 0 ).minScaleDenominator : layer->minimumScale() ) );
mScaleVisibilityGroupBox->setChecked( settingList.at( 0 ).scaleBasedVisibility );
mDiagramUnitComboBox->setUnit( settingList.at( 0 ).sizeType );
mDiagramUnitComboBox->setMapUnitScale( settingList.at( 0 ).sizeScale );
mDiagramLineUnitComboBox->setUnit( settingList.at( 0 ).lineSizeUnit );
mDiagramLineUnitComboBox->setMapUnitScale( settingList.at( 0 ).lineSizeScale );
if ( settingList.at( 0 ).labelPlacementMethod == QgsDiagramSettings::Height )
{
mLabelPlacementComboBox->setCurrentIndex( 0 );
}
else
{
mLabelPlacementComboBox->setCurrentIndex( 1 );
}
mAngleOffsetComboBox->setCurrentIndex( mAngleOffsetComboBox->findData( settingList.at( 0 ).angleOffset ) );
mOrientationLeftButton->setProperty( "direction", QgsDiagramSettings::Left );
mOrientationRightButton->setProperty( "direction", QgsDiagramSettings::Right );
mOrientationUpButton->setProperty( "direction", QgsDiagramSettings::Up );
mOrientationDownButton->setProperty( "direction", QgsDiagramSettings::Down );
switch ( settingList.at( 0 ).diagramOrientation )
{
case QgsDiagramSettings::Left:
mOrientationLeftButton->setChecked( true );
break;
case QgsDiagramSettings::Right:
mOrientationRightButton->setChecked( true );
break;
case QgsDiagramSettings::Up:
mOrientationUpButton->setChecked( true );
break;
case QgsDiagramSettings::Down:
mOrientationDownButton->setChecked( true );
break;
}
mBarWidthSpinBox->setValue( settingList.at( 0 ).barWidth );
mIncreaseSmallDiagramsCheck->setChecked( settingList.at( 0 ).minimumSize != 0 );
mIncreaseMinimumSizeSpinBox->setEnabled( mIncreaseSmallDiagramsCheck->isChecked() );
mIncreaseMinimumSizeLabel->setEnabled( mIncreaseSmallDiagramsCheck->isChecked() );
mIncreaseMinimumSizeSpinBox->setValue( settingList.at( 0 ).minimumSize );
if ( settingList.at( 0 ).scaleByArea )
{
mScaleDependencyComboBox->setCurrentIndex( 0 );
}
else
{
mScaleDependencyComboBox->setCurrentIndex( 1 );
}
QList< QColor > categoryColors = settingList.at( 0 ).categoryColors;
QList< QString > categoryAttributes = settingList.at( 0 ).categoryAttributes;
QList< QString > categoryLabels = settingList.at( 0 ).categoryLabels;
QList< QString >::const_iterator catIt = categoryAttributes.constBegin();
QList< QColor >::const_iterator coIt = categoryColors.constBegin();
QList< QString >::const_iterator labIt = categoryLabels.constBegin();
for ( ; catIt != categoryAttributes.constEnd(); ++catIt, ++coIt, ++labIt )
{
QTreeWidgetItem *newItem = new QTreeWidgetItem( mDiagramAttributesTreeWidget );
newItem->setText( 0, *catIt );
newItem->setData( 0, Qt::UserRole, *catIt );
newItem->setFlags( newItem->flags() & ~Qt::ItemIsDropEnabled );
QColor col( *coIt );
col.setAlpha( 255 );
newItem->setBackground( 1, QBrush( col ) );
newItem->setText( 2, *labIt );
newItem->setFlags( newItem->flags() | Qt::ItemIsEditable );
}
}
if ( dr->rendererName() == "LinearlyInterpolated" )
{
const QgsLinearlyInterpolatedDiagramRenderer* lidr = dynamic_cast<const QgsLinearlyInterpolatedDiagramRenderer*>( dr );
if ( lidr )
{
mDiagramSizeSpinBox->setEnabled( false );
mLinearScaleFrame->setEnabled( true );
mMaxValueSpinBox->setValue( lidr->upperValue() );
mSizeSpinBox->setValue(( lidr->upperSize().width() + lidr->upperSize().height() ) / 2 );
if ( lidr->classificationAttributeIsExpression() )
{
mSizeFieldExpressionWidget->setField( lidr->classificationAttributeExpression() );
}
else
{
mSizeFieldExpressionWidget->setField( mLayer->fields().at( lidr->classificationAttribute() ).name() );
}
}
}
const QgsDiagramLayerSettings *dls = layer->diagramLayerSettings();
if ( dls )
{
mDiagramDistanceSpinBox->setValue( dls->distance() );
mPrioritySlider->setValue( dls->getPriority() );
mZIndexSpinBox->setValue( dls->getZIndex() );
mDataDefinedXComboBox->setCurrentIndex( mDataDefinedXComboBox->findData( dls->xPosColumn ) );
mDataDefinedYComboBox->setCurrentIndex( mDataDefinedYComboBox->findData( dls->yPosColumn ) );
if ( dls->xPosColumn != -1 || dls->yPosColumn != -1 )
{
mDataDefinedPositionGroupBox->setChecked( true );
}
mPlacementComboBox->setCurrentIndex( mPlacementComboBox->findData( dls->getPlacement() ) );
chkLineAbove->setChecked( dls->linePlacementFlags() & QgsDiagramLayerSettings::AboveLine );
chkLineBelow->setChecked( dls->linePlacementFlags() & QgsDiagramLayerSettings::BelowLine );
chkLineOn->setChecked( dls->linePlacementFlags() & QgsDiagramLayerSettings::OnLine );
if ( !( dls->linePlacementFlags() & QgsDiagramLayerSettings::MapOrientation ) )
chkLineOrientationDependent->setChecked( true );
mShowAllCheckBox->setChecked( dls->showAllDiagrams() );
mDataDefinedVisibilityComboBox->setCurrentIndex( mDataDefinedVisibilityComboBox->findData( dls->showColumn ) );
if ( dls->showColumn != -1 )
{
mDataDefinedVisibilityGroupBox->setChecked( true );
}
}
if ( dr->diagram() )
{
mDiagramType = dr->diagram()->diagramName();
mDiagramTypeComboBox->blockSignals( true );
mDiagramTypeComboBox->setCurrentIndex( settingList.at( 0 ).enabled ? mDiagramTypeComboBox->findData( mDiagramType ) : 0 );
mDiagramTypeComboBox->blockSignals( false );
//force a refresh of widget status to match diagram type
on_mDiagramTypeComboBox_currentIndexChanged( mDiagramTypeComboBox->currentIndex() );
if ( mDiagramTypeComboBox->currentIndex() == -1 )
{
QMessageBox::warning( this, tr( "Unknown diagram type." ),
tr( "The diagram type '%1' is unknown. A default type is selected for you." ).arg( mDiagramType ), QMessageBox::Ok );
mDiagramTypeComboBox->setCurrentIndex( mDiagramTypeComboBox->findData( DIAGRAM_NAME_PIE ) );
}
}
} // if ( !dr )
connect( mAddAttributeExpression, SIGNAL( clicked() ), this, SLOT( showAddAttributeExpressionDialog() ) );
connect( mTransparencySlider, SIGNAL( valueChanged( int ) ), mTransparencySpinBox, SLOT( setValue( int ) ) );
connect( mTransparencySpinBox, SIGNAL( valueChanged( int ) ), mTransparencySlider, SLOT( setValue( int ) ) );
}
QgsStringMap QgsCentroidFillSymbolLayerV2::properties() const
{
return QgsStringMap();
}
virtual QgsStringMap properties() const override { return QgsStringMap(); }
QgsDataDefinedSizeLegendWidget::QgsDataDefinedSizeLegendWidget( const QgsDataDefinedSizeLegend *ddsLegend, const QgsProperty &ddSize, QgsMarkerSymbol *overrideSymbol, QgsMapCanvas *canvas, QWidget *parent )
: QgsPanelWidget( parent )
, mSizeProperty( ddSize )
, mMapCanvas( canvas )
{
setupUi( this );
setPanelTitle( tr( "Data-defined size legend" ) );
QgsMarkerSymbol *symbol = nullptr;
if ( !ddsLegend )
{
radDisabled->setChecked( true );
}
else
{
if ( ddsLegend->legendType() == QgsDataDefinedSizeLegend::LegendSeparated )
radSeparated->setChecked( true );
else
radCollapsed->setChecked( true );
if ( ddsLegend->verticalAlignment() == QgsDataDefinedSizeLegend::AlignBottom )
cboAlignSymbols->setCurrentIndex( 0 );
else
cboAlignSymbols->setCurrentIndex( 1 );
symbol = ddsLegend->symbol() ? ddsLegend->symbol()->clone() : nullptr; // may be null (undefined)
}
if ( overrideSymbol )
{
symbol = overrideSymbol; // takes ownership
mOverrideSymbol = true;
}
if ( !symbol )
{
symbol = QgsMarkerSymbol::createSimple( QgsStringMap() );
}
mSourceSymbol.reset( symbol );
btnChangeSymbol->setEnabled( !mOverrideSymbol );
QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( mSourceSymbol.get(), btnChangeSymbol->iconSize() );
btnChangeSymbol->setIcon( icon );
editTitle->setText( ddsLegend ? ddsLegend->title() : QString() );
mSizeClassesModel = new QStandardItemModel( viewSizeClasses );
mSizeClassesModel->setHorizontalHeaderLabels( QStringList() << tr( "Value" ) << tr( "Label" ) );
mSizeClassesModel->setSortRole( Qt::UserRole + 1 );
if ( ddsLegend )
{
groupManualSizeClasses->setChecked( !ddsLegend->classes().isEmpty() );
Q_FOREACH ( const QgsDataDefinedSizeLegend::SizeClass &sc, ddsLegend->classes() )
{
QStandardItem *item = new QStandardItem( QString::number( sc.size ) );
item->setData( sc.size );
QStandardItem *itemLabel = new QStandardItem( sc.label );
mSizeClassesModel->appendRow( QList<QStandardItem *>() << item << itemLabel );
}
mSizeClassesModel->sort( 0 );
}
connect( btnAddClass, &QToolButton::clicked, this, &QgsDataDefinedSizeLegendWidget::addSizeClass );
connect( btnRemoveClass, &QToolButton::clicked, this, &QgsDataDefinedSizeLegendWidget::removeSizeClass );
viewSizeClasses->setItemDelegateForColumn( 0, new SizeClassDelegate( viewSizeClasses ) );
viewSizeClasses->setModel( mSizeClassesModel );
connect( mSizeClassesModel, &QStandardItemModel::dataChanged, this, &QgsDataDefinedSizeLegendWidget::onSizeClassesChanged );
// prepare layer and model to preview legend
mPreviewLayer = new QgsVectorLayer( "Point?crs=EPSG:4326", "Preview", "memory" );
mPreviewTree = new QgsLayerTree;
mPreviewLayerNode = mPreviewTree->addLayer( mPreviewLayer ); // node owned by the tree
mPreviewModel = new QgsLayerTreeModel( mPreviewTree );
if ( canvas )
mPreviewModel->setLegendMapViewData( canvas->mapUnitsPerPixel(), canvas->mapSettings().outputDpi(), canvas->scale() );
viewLayerTree->setModel( mPreviewModel );
connect( cboAlignSymbols, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), [ = ] { emit widgetChanged(); } );
connect( radDisabled, &QRadioButton::clicked, this, &QgsPanelWidget::widgetChanged );
connect( radSeparated, &QRadioButton::clicked, this, &QgsPanelWidget::widgetChanged );
connect( radCollapsed, &QRadioButton::clicked, this, &QgsPanelWidget::widgetChanged );
connect( groupManualSizeClasses, &QGroupBox::clicked, this, &QgsPanelWidget::widgetChanged );
connect( btnChangeSymbol, &QPushButton::clicked, this, &QgsDataDefinedSizeLegendWidget::changeSymbol );
connect( editTitle, &QLineEdit::textChanged, this, &QgsPanelWidget::widgetChanged );
connect( this, &QgsPanelWidget::widgetChanged, this, &QgsDataDefinedSizeLegendWidget::updatePreview );
updatePreview();
}