QgsPointClusterRendererWidget::QgsPointClusterRendererWidget( QgsVectorLayer *layer, QgsStyle *style, QgsFeatureRenderer *renderer )
: QgsRendererWidget( layer, style )
{
if ( !layer )
{
return;
}
//the renderer only applies to point vector layers
if ( QgsWkbTypes::flatType( layer->wkbType() ) != QgsWkbTypes::Point )
{
//setup blank dialog
mRenderer = nullptr;
setupBlankUi( layer->name() );
return;
}
setupUi( this );
connect( mRendererComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsPointClusterRendererWidget::mRendererComboBox_currentIndexChanged );
connect( mDistanceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsPointClusterRendererWidget::mDistanceSpinBox_valueChanged );
connect( mDistanceUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsPointClusterRendererWidget::mDistanceUnitWidget_changed );
connect( mRendererSettingsButton, &QPushButton::clicked, this, &QgsPointClusterRendererWidget::mRendererSettingsButton_clicked );
this->layout()->setContentsMargins( 0, 0, 0, 0 );
mDistanceUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mCenterSymbolToolButton->setSymbolType( QgsSymbol::Marker );
if ( renderer )
{
mRenderer = QgsPointClusterRenderer::convertFromRenderer( renderer );
}
if ( !mRenderer )
{
mRenderer = new QgsPointClusterRenderer();
}
blockAllSignals( true );
//insert possible renderer types
QStringList rendererList = QgsApplication::rendererRegistry()->renderersList( QgsRendererAbstractMetadata::PointLayer );
QStringList::const_iterator it = rendererList.constBegin();
for ( ; it != rendererList.constEnd(); ++it )
{
if ( *it != QLatin1String( "pointDisplacement" ) && *it != QLatin1String( "pointCluster" ) && *it != QLatin1String( "heatmapRenderer" ) )
{
QgsRendererAbstractMetadata *m = QgsApplication::rendererRegistry()->rendererMetadata( *it );
mRendererComboBox->addItem( m->icon(), m->visibleName(), *it );
}
}
mDistanceSpinBox->setValue( mRenderer->tolerance() );
mDistanceUnitWidget->setUnit( mRenderer->toleranceUnit() );
mDistanceUnitWidget->setMapUnitScale( mRenderer->toleranceMapUnitScale() );
mCenterSymbolToolButton->setSymbol( mRenderer->clusterSymbol()->clone() );
blockAllSignals( false );
//set the appropriate renderer dialog
if ( mRenderer->embeddedRenderer() )
{
QString rendererName = mRenderer->embeddedRenderer()->type();
int rendererIndex = mRendererComboBox->findData( rendererName );
if ( rendererIndex != -1 )
{
mRendererComboBox->setCurrentIndex( rendererIndex );
mRendererComboBox_currentIndexChanged( rendererIndex );
}
}
connect( mCenterSymbolToolButton, &QgsSymbolButton::changed, this, &QgsPointClusterRendererWidget::centerSymbolChanged );
mCenterSymbolToolButton->setDialogTitle( tr( "Cluster symbol" ) );
mCenterSymbolToolButton->setLayer( mLayer );
mCenterSymbolToolButton->registerExpressionContextGenerator( this );
}
QgsPointDisplacementRendererWidget::QgsPointDisplacementRendererWidget( QgsVectorLayer *layer, QgsStyle *style, QgsFeatureRenderer *renderer )
: QgsRendererWidget( layer, style )
{
if ( !layer )
{
return;
}
//the renderer only applies to point vector layers
if ( layer->wkbType() != QgsWkbTypes::Point && layer->wkbType() != QgsWkbTypes::Point25D )
{
//setup blank dialog
mRenderer = nullptr;
setupBlankUi( layer->name() );
return;
}
setupUi( this );
connect( mLabelFieldComboBox, static_cast<void ( QComboBox::* )( const QString & )>( &QComboBox::currentIndexChanged ), this, &QgsPointDisplacementRendererWidget::mLabelFieldComboBox_currentIndexChanged );
connect( mRendererComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsPointDisplacementRendererWidget::mRendererComboBox_currentIndexChanged );
connect( mPlacementComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsPointDisplacementRendererWidget::mPlacementComboBox_currentIndexChanged );
connect( mCircleWidthSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsPointDisplacementRendererWidget::mCircleWidthSpinBox_valueChanged );
connect( mCircleColorButton, &QgsColorButton::colorChanged, this, &QgsPointDisplacementRendererWidget::mCircleColorButton_colorChanged );
connect( mDistanceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsPointDisplacementRendererWidget::mDistanceSpinBox_valueChanged );
connect( mDistanceUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsPointDisplacementRendererWidget::mDistanceUnitWidget_changed );
connect( mLabelColorButton, &QgsColorButton::colorChanged, this, &QgsPointDisplacementRendererWidget::mLabelColorButton_colorChanged );
connect( mCircleModificationSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsPointDisplacementRendererWidget::mCircleModificationSpinBox_valueChanged );
connect( mScaleDependentLabelsCheckBox, &QCheckBox::stateChanged, this, &QgsPointDisplacementRendererWidget::mScaleDependentLabelsCheckBox_stateChanged );
connect( mRendererSettingsButton, &QPushButton::clicked, this, &QgsPointDisplacementRendererWidget::mRendererSettingsButton_clicked );
this->layout()->setContentsMargins( 0, 0, 0, 0 );
mLabelFontButton->setMode( QgsFontButton::ModeQFont );
mDistanceUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mCenterSymbolToolButton->setSymbolType( QgsSymbol::Marker );
if ( renderer )
{
mRenderer = QgsPointDisplacementRenderer::convertFromRenderer( renderer );
}
if ( !mRenderer )
{
mRenderer = new QgsPointDisplacementRenderer();
}
blockAllSignals( true );
mPlacementComboBox->addItem( tr( "Ring" ), QgsPointDisplacementRenderer::Ring );
mPlacementComboBox->addItem( tr( "Concentric rings" ), QgsPointDisplacementRenderer::ConcentricRings );
mPlacementComboBox->addItem( tr( "Grid" ), QgsPointDisplacementRenderer::Grid );
//insert attributes into combo box
if ( layer )
{
const QgsFields layerFields = layer->fields();
for ( const QgsField &f : layerFields )
{
mLabelFieldComboBox->addItem( f.name() );
}
mLabelFieldComboBox->addItem( tr( "None" ) );
QString currentLabelAttribute = mRenderer->labelAttributeName();
if ( !currentLabelAttribute.isEmpty() )
{
mLabelFieldComboBox->setCurrentIndex( mLabelFieldComboBox->findText( currentLabelAttribute ) );
}
else
{
mLabelFieldComboBox->setCurrentIndex( mLabelFieldComboBox->findText( tr( "None" ) ) );
}
}
//insert possible renderer types
QStringList rendererList = QgsApplication::rendererRegistry()->renderersList( QgsRendererAbstractMetadata::PointLayer );
QStringList::const_iterator it = rendererList.constBegin();
for ( ; it != rendererList.constEnd(); ++it )
{
if ( *it != QLatin1String( "pointDisplacement" ) && *it != QLatin1String( "pointCluster" ) && *it != QLatin1String( "heatmapRenderer" ) )
{
QgsRendererAbstractMetadata *m = QgsApplication::rendererRegistry()->rendererMetadata( *it );
mRendererComboBox->addItem( m->icon(), m->visibleName(), *it );
}
}
mCircleColorButton->setColorDialogTitle( tr( "Select Color" ) );
mCircleColorButton->setContext( QStringLiteral( "symbology" ) );
mCircleColorButton->setAllowOpacity( true );
mCircleColorButton->setShowNoColor( true );
mCircleColorButton->setNoColorString( tr( "No stroke" ) );
mLabelColorButton->setContext( QStringLiteral( "symbology" ) );
mLabelColorButton->setColorDialogTitle( tr( "Select Color" ) );
mLabelColorButton->setAllowOpacity( true );
mCircleWidthSpinBox->setValue( mRenderer->circleWidth() );
mCircleColorButton->setColor( mRenderer->circleColor() );
mLabelColorButton->setColor( mRenderer->labelColor() );
mLabelFontButton->setCurrentFont( mRenderer->labelFont() );
mCircleModificationSpinBox->setClearValue( 0.0 );
mCircleModificationSpinBox->setValue( mRenderer->circleRadiusAddition() );
mDistanceSpinBox->setValue( mRenderer->tolerance() );
mDistanceUnitWidget->setUnit( mRenderer->toleranceUnit() );
mDistanceUnitWidget->setMapUnitScale( mRenderer->toleranceMapUnitScale() );
mCenterSymbolToolButton->setSymbol( mRenderer->centerSymbol()->clone() );
mPlacementComboBox->setCurrentIndex( mPlacementComboBox->findData( mRenderer->placement() ) );
//scale dependent labeling
mMinLabelScaleWidget->setScale( std::max( mRenderer->minimumLabelScale(), 0.0 ) );
if ( mRenderer->minimumLabelScale() > 0 )
{
mScaleDependentLabelsCheckBox->setCheckState( Qt::Checked );
}
else
{
mScaleDependentLabelsCheckBox->setCheckState( Qt::Unchecked );
mMinLabelScaleWidget->setEnabled( false );
}
blockAllSignals( false );
//set the appropriate renderer dialog
if ( mRenderer->embeddedRenderer() )
{
QString rendererName = mRenderer->embeddedRenderer()->type();
int rendererIndex = mRendererComboBox->findData( rendererName );
if ( rendererIndex != -1 )
{
mRendererComboBox->setCurrentIndex( rendererIndex );
mRendererComboBox_currentIndexChanged( rendererIndex );
}
}
connect( mMinLabelScaleWidget, &QgsScaleWidget::scaleChanged, this, &QgsPointDisplacementRendererWidget::minLabelScaleChanged );
connect( mLabelFontButton, &QgsFontButton::changed, this, &QgsPointDisplacementRendererWidget::labelFontChanged );
connect( mCenterSymbolToolButton, &QgsSymbolButton::changed, this, &QgsPointDisplacementRendererWidget::centerSymbolChanged );
mCenterSymbolToolButton->setDialogTitle( tr( "Center symbol" ) );
mCenterSymbolToolButton->setLayer( mLayer );
mCenterSymbolToolButton->registerExpressionContextGenerator( this );
}
