void QgsGraduatedHistogramWidget::drawHistogram() { if ( !mRenderer ) return; bool pickerEnabled = false; if ( mRenderer->rangesOverlap() ) { setToolTip( tr( "Ranges are overlapping and can't be edited by the histogram" ) ); setGraduatedRanges( QgsRangeList() ); } else if ( mRenderer->rangesHaveGaps() ) { setToolTip( tr( "Ranges have gaps and can't be edited by the histogram" ) ); setGraduatedRanges( QgsRangeList() ); } else if ( mRenderer->ranges().isEmpty() ) { setToolTip( QString() ); setGraduatedRanges( QgsRangeList() ); } else { setToolTip( QString() ); setGraduatedRanges( mRenderer->ranges() ); pickerEnabled = true; } QgsHistogramWidget::drawHistogram(); // histo picker mHistoPicker->setEnabled( pickerEnabled ); mFilter->blockSignals( !pickerEnabled ); }
QgsGraduatedSymbolRendererV2Widget::QgsGraduatedSymbolRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer ) : QgsRendererV2Widget( layer, style ) { // try to recognize the previous renderer // (null renderer means "no previous renderer") if ( !renderer || renderer->type() != "graduatedSymbol" ) { // we're not going to use it - so let's delete the renderer delete renderer; mRenderer = new QgsGraduatedSymbolRendererV2( "", QgsRangeList() ); } else { mRenderer = static_cast<QgsGraduatedSymbolRendererV2*>( renderer ); } // setup user interface setupUi( this ); populateColumns(); cboGraduatedColorRamp->populate( mStyle ); QStandardItemModel* mg = new QStandardItemModel( this ); QStringList labels; labels << tr( "Range" ) << tr( "Label" ); mg->setHorizontalHeaderLabels( labels ); viewGraduated->setModel( mg ); mGraduatedSymbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() ); connect( cboGraduatedColumn, SIGNAL( currentIndexChanged( int ) ), this, SLOT( graduatedColumnChanged() ) ); connect( viewGraduated, SIGNAL( doubleClicked( const QModelIndex & ) ), this, SLOT( rangesDoubleClicked( const QModelIndex & ) ) ); connect( viewGraduated, SIGNAL( clicked( const QModelIndex & ) ), this, SLOT( rangesClicked( const QModelIndex & ) ) ); connect( mg, SIGNAL( itemChanged( QStandardItem * ) ), this, SLOT( changeCurrentValue( QStandardItem * ) ) ); connect( btnGraduatedClassify, SIGNAL( clicked() ), this, SLOT( classifyGraduated() ) ); connect( btnChangeGraduatedSymbol, SIGNAL( clicked() ), this, SLOT( changeGraduatedSymbol() ) ); connect( btnGraduatedDelete, SIGNAL( clicked() ), this, SLOT( deleteCurrentClass() ) ); connect( btnGraduatedAdd, SIGNAL( clicked() ), this, SLOT( addClass() ) ); // initialize from previously set renderer updateUiFromRenderer(); // menus for data-defined rotation/size QMenu* advMenu = new QMenu; mDataDefinedMenus = new QgsRendererV2DataDefinedMenus( advMenu, mLayer->pendingFields(), mRenderer->rotationField(), mRenderer->sizeScaleField() ); connect( mDataDefinedMenus, SIGNAL( rotationFieldChanged( QString ) ), this, SLOT( rotationFieldChanged( QString ) ) ); connect( mDataDefinedMenus, SIGNAL( sizeScaleFieldChanged( QString ) ), this, SLOT( sizeScaleFieldChanged( QString ) ) ); btnAdvanced->setMenu( advMenu ); }
QgsGraduatedSymbolRendererV2Widget::QgsGraduatedSymbolRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer ) : QgsRendererV2Widget( layer, style ) , mRenderer( nullptr ) , mModel( nullptr ) { // try to recognize the previous renderer // (null renderer means "no previous renderer") if ( renderer ) { mRenderer = QgsGraduatedSymbolRendererV2::convertFromRenderer( renderer ); } if ( !mRenderer ) { mRenderer = new QgsGraduatedSymbolRendererV2( "", QgsRangeList() ); } // setup user interface setupUi( this ); mModel = new QgsGraduatedSymbolRendererV2Model( this ); mExpressionWidget->setFilters( QgsFieldProxyModel::Numeric | QgsFieldProxyModel::Date ); mExpressionWidget->setLayer( mLayer ); mSizeUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels ); cboGraduatedColorRamp->populate( mStyle ); spinPrecision->setMinimum( QgsRendererRangeV2LabelFormat::MinPrecision ); spinPrecision->setMaximum( QgsRendererRangeV2LabelFormat::MaxPrecision ); // set project default color ramp QString defaultColorRamp = QgsProject::instance()->readEntry( "DefaultStyles", "/ColorRamp", "" ); if ( defaultColorRamp != "" ) { int index = cboGraduatedColorRamp->findText( defaultColorRamp, Qt::MatchCaseSensitive ); if ( index >= 0 ) cboGraduatedColorRamp->setCurrentIndex( index ); } viewGraduated->setStyle( new QgsGraduatedSymbolRendererV2ViewStyle( viewGraduated->style() ) ); mGraduatedSymbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() ); methodComboBox->blockSignals( true ); methodComboBox->addItem( "Color" ); if ( mGraduatedSymbol->type() == QgsSymbolV2::Marker ) { methodComboBox->addItem( "Size" ); minSizeSpinBox->setValue( 1 ); maxSizeSpinBox->setValue( 8 ); } else if ( mGraduatedSymbol->type() == QgsSymbolV2::Line ) { methodComboBox->addItem( "Size" ); minSizeSpinBox->setValue( .1 ); maxSizeSpinBox->setValue( 2 ); } methodComboBox->blockSignals( false ); connect( mExpressionWidget, SIGNAL( fieldChanged( QString ) ), this, SLOT( graduatedColumnChanged( QString ) ) ); connect( viewGraduated, SIGNAL( doubleClicked( const QModelIndex & ) ), this, SLOT( rangesDoubleClicked( const QModelIndex & ) ) ); connect( viewGraduated, SIGNAL( clicked( const QModelIndex & ) ), this, SLOT( rangesClicked( const QModelIndex & ) ) ); connect( viewGraduated, SIGNAL( customContextMenuRequested( const QPoint& ) ), this, SLOT( contextMenuViewCategories( const QPoint& ) ) ); connect( btnGraduatedClassify, SIGNAL( clicked() ), this, SLOT( classifyGraduated() ) ); connect( btnChangeGraduatedSymbol, SIGNAL( clicked() ), this, SLOT( changeGraduatedSymbol() ) ); connect( btnGraduatedDelete, SIGNAL( clicked() ), this, SLOT( deleteClasses() ) ); connect( btnDeleteAllClasses, SIGNAL( clicked() ), this, SLOT( deleteAllClasses() ) ); connect( btnGraduatedAdd, SIGNAL( clicked() ), this, SLOT( addClass() ) ); connect( cbxLinkBoundaries, SIGNAL( toggled( bool ) ), this, SLOT( toggleBoundariesLink( bool ) ) ); connect( mSizeUnitWidget, SIGNAL( changed() ), this, SLOT( on_mSizeUnitWidget_changed() ) ); connectUpdateHandlers(); // initialize from previously set renderer updateUiFromRenderer(); // menus for data-defined rotation/size QMenu* advMenu = new QMenu; advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) ); btnAdvanced->setMenu( advMenu ); mHistogramWidget->setLayer( mLayer ); mHistogramWidget->setRenderer( mRenderer ); connect( mHistogramWidget, SIGNAL( rangesModified( bool ) ), this, SLOT( refreshRanges( bool ) ) ); connect( mExpressionWidget, SIGNAL( fieldChanged( QString ) ), mHistogramWidget, SLOT( setSourceFieldExp( QString ) ) ); mExpressionWidget->registerGetExpressionContextCallback( &_getExpressionContext, this ); }
QgsGraduatedSymbolRendererV2Widget::QgsGraduatedSymbolRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer ) : QgsRendererV2Widget( layer, style ) { // try to recognize the previous renderer // (null renderer means "no previous renderer") if ( !renderer || renderer->type() != "graduatedSymbol" ) { // we're not going to use it - so let's delete the renderer delete renderer; mRenderer = new QgsGraduatedSymbolRendererV2( "", QgsRangeList() ); } else { mRenderer = static_cast<QgsGraduatedSymbolRendererV2*>( renderer ); } // setup user interface setupUi( this ); populateColumns(); cboGraduatedColorRamp->populate( mStyle ); // set project default color ramp QString defaultColorRamp = QgsProject::instance()->readEntry( "DefaultStyles", "/ColorRamp", "" ); if ( defaultColorRamp != "" ) { int index = cboGraduatedColorRamp->findText( defaultColorRamp, Qt::MatchCaseSensitive ); if ( index >= 0 ) cboGraduatedColorRamp->setCurrentIndex( index ); } QStandardItemModel* mg = new QStandardItemModel( this ); QStringList labels; labels << tr( "Range" ) << tr( "Label" ); mg->setHorizontalHeaderLabels( labels ); viewGraduated->setModel( mg ); mGraduatedSymbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() ); connect( cboGraduatedColumn, SIGNAL( currentIndexChanged( int ) ), this, SLOT( graduatedColumnChanged() ) ); connect( viewGraduated, SIGNAL( doubleClicked( const QModelIndex & ) ), this, SLOT( rangesDoubleClicked( const QModelIndex & ) ) ); connect( viewGraduated, SIGNAL( clicked( const QModelIndex & ) ), this, SLOT( rangesClicked( const QModelIndex & ) ) ); connect( viewGraduated, SIGNAL( customContextMenuRequested( const QPoint& ) ), this, SLOT( contextMenuViewCategories( const QPoint& ) ) ); connect( mg, SIGNAL( itemChanged( QStandardItem * ) ), this, SLOT( changeCurrentValue( QStandardItem * ) ) ); connect( btnGraduatedClassify, SIGNAL( clicked() ), this, SLOT( classifyGraduated() ) ); connect( btnChangeGraduatedSymbol, SIGNAL( clicked() ), this, SLOT( changeGraduatedSymbol() ) ); connect( btnGraduatedDelete, SIGNAL( clicked() ), this, SLOT( deleteCurrentClass() ) ); connect( btnGraduatedAdd, SIGNAL( clicked() ), this, SLOT( addClass() ) ); // initialize from previously set renderer updateUiFromRenderer(); connect( spinGraduatedClasses, SIGNAL( valueChanged( int ) ) , this, SLOT( classifyGraduated() ) ); connect( cboGraduatedMode, SIGNAL( currentIndexChanged( int ) ) , this, SLOT( classifyGraduated() ) ); connect( cboGraduatedColorRamp, SIGNAL( currentIndexChanged( int ) ) , this, SLOT( reapplyColorRamp() ) ); // menus for data-defined rotation/size QMenu* advMenu = new QMenu; advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) ); mDataDefinedMenus = new QgsRendererV2DataDefinedMenus( advMenu, mLayer->pendingFields(), mRenderer->rotationField(), mRenderer->sizeScaleField(), mRenderer->scaleMethod() ); connect( mDataDefinedMenus, SIGNAL( rotationFieldChanged( QString ) ), this, SLOT( rotationFieldChanged( QString ) ) ); connect( mDataDefinedMenus, SIGNAL( sizeScaleFieldChanged( QString ) ), this, SLOT( sizeScaleFieldChanged( QString ) ) ); connect( mDataDefinedMenus, SIGNAL( scaleMethodChanged( QgsSymbolV2::ScaleMethod ) ), this, SLOT( scaleMethodChanged( QgsSymbolV2::ScaleMethod ) ) ); btnAdvanced->setMenu( advMenu ); }
QgsGraduatedSymbolRendererWidget::QgsGraduatedSymbolRendererWidget( QgsVectorLayer *layer, QgsStyle *style, QgsFeatureRenderer *renderer ) : QgsRendererWidget( layer, style ) { // try to recognize the previous renderer // (null renderer means "no previous renderer") if ( renderer ) { mRenderer.reset( QgsGraduatedSymbolRenderer::convertFromRenderer( renderer ) ); } if ( !mRenderer ) { mRenderer = qgis::make_unique< QgsGraduatedSymbolRenderer >( QString(), QgsRangeList() ); } // setup user interface setupUi( this ); cboGraduatedMode->addItem( tr( "Equal Interval" ), QgsGraduatedSymbolRenderer::EqualInterval ); cboGraduatedMode->addItem( tr( "Quantile (Equal Count)" ), QgsGraduatedSymbolRenderer::Quantile ); cboGraduatedMode->addItem( tr( "Natural Breaks (Jenks)" ), QgsGraduatedSymbolRenderer::Jenks ); cboGraduatedMode->addItem( tr( "Standard Deviation" ), QgsGraduatedSymbolRenderer::StdDev ); cboGraduatedMode->addItem( tr( "Pretty Breaks" ), QgsGraduatedSymbolRenderer::Pretty ); connect( methodComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsGraduatedSymbolRendererWidget::methodComboBox_currentIndexChanged ); this->layout()->setContentsMargins( 0, 0, 0, 0 ); mModel = new QgsGraduatedSymbolRendererModel( this ); mExpressionWidget->setFilters( QgsFieldProxyModel::Numeric | QgsFieldProxyModel::Date ); mExpressionWidget->setLayer( mLayer ); mSizeUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels << QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches ); spinPrecision->setMinimum( QgsRendererRangeLabelFormat::MIN_PRECISION ); spinPrecision->setMaximum( QgsRendererRangeLabelFormat::MAX_PRECISION ); btnColorRamp->setShowRandomColorRamp( true ); // set project default color ramp QString defaultColorRamp = QgsProject::instance()->readEntry( QStringLiteral( "DefaultStyles" ), QStringLiteral( "/ColorRamp" ), QString() ); if ( !defaultColorRamp.isEmpty() ) { btnColorRamp->setColorRampFromName( defaultColorRamp ); } else { QgsColorRamp *ramp = new QgsGradientColorRamp( QColor( 255, 255, 255 ), QColor( 255, 0, 0 ) ); btnColorRamp->setColorRamp( ramp ); delete ramp; } viewGraduated->setStyle( new QgsGraduatedSymbolRendererViewStyle( viewGraduated ) ); mGraduatedSymbol.reset( QgsSymbol::defaultSymbol( mLayer->geometryType() ) ); methodComboBox->blockSignals( true ); methodComboBox->addItem( QStringLiteral( "Color" ) ); if ( mGraduatedSymbol->type() == QgsSymbol::Marker ) { methodComboBox->addItem( QStringLiteral( "Size" ) ); minSizeSpinBox->setValue( 1 ); maxSizeSpinBox->setValue( 8 ); } else if ( mGraduatedSymbol->type() == QgsSymbol::Line ) { methodComboBox->addItem( QStringLiteral( "Size" ) ); minSizeSpinBox->setValue( .1 ); maxSizeSpinBox->setValue( 2 ); } methodComboBox->blockSignals( false ); connect( mExpressionWidget, static_cast < void ( QgsFieldExpressionWidget::* )( const QString & ) >( &QgsFieldExpressionWidget::fieldChanged ), this, &QgsGraduatedSymbolRendererWidget::graduatedColumnChanged ); connect( viewGraduated, &QAbstractItemView::doubleClicked, this, &QgsGraduatedSymbolRendererWidget::rangesDoubleClicked ); connect( viewGraduated, &QAbstractItemView::clicked, this, &QgsGraduatedSymbolRendererWidget::rangesClicked ); connect( viewGraduated, &QTreeView::customContextMenuRequested, this, &QgsGraduatedSymbolRendererWidget::contextMenuViewCategories ); connect( btnGraduatedClassify, &QAbstractButton::clicked, this, &QgsGraduatedSymbolRendererWidget::classifyGraduated ); connect( btnChangeGraduatedSymbol, &QAbstractButton::clicked, this, &QgsGraduatedSymbolRendererWidget::changeGraduatedSymbol ); connect( btnGraduatedDelete, &QAbstractButton::clicked, this, &QgsGraduatedSymbolRendererWidget::deleteClasses ); connect( btnDeleteAllClasses, &QAbstractButton::clicked, this, &QgsGraduatedSymbolRendererWidget::deleteAllClasses ); connect( btnGraduatedAdd, &QAbstractButton::clicked, this, &QgsGraduatedSymbolRendererWidget::addClass ); connect( cbxLinkBoundaries, &QAbstractButton::toggled, this, &QgsGraduatedSymbolRendererWidget::toggleBoundariesLink ); connect( mSizeUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsGraduatedSymbolRendererWidget::mSizeUnitWidget_changed ); connectUpdateHandlers(); // initialize from previously set renderer updateUiFromRenderer(); // default to collapsed symmetric group for ui simplicity mGroupBoxSymmetric->setCollapsed( true ); // // menus for data-defined rotation/size QMenu *advMenu = new QMenu( this ); advMenu->addAction( tr( "Symbol Levels…" ), this, SLOT( showSymbolLevels() ) ); if ( mGraduatedSymbol->type() == QgsSymbol::Marker ) { QAction *actionDdsLegend = advMenu->addAction( tr( "Data-defined Size Legend…" ) ); // only from Qt 5.6 there is convenience addAction() with new style connection connect( actionDdsLegend, &QAction::triggered, this, &QgsGraduatedSymbolRendererWidget::dataDefinedSizeLegend ); } btnAdvanced->setMenu( advMenu ); mHistogramWidget->setLayer( mLayer ); mHistogramWidget->setRenderer( mRenderer.get() ); connect( mHistogramWidget, &QgsGraduatedHistogramWidget::rangesModified, this, &QgsGraduatedSymbolRendererWidget::refreshRanges ); connect( mExpressionWidget, static_cast < void ( QgsFieldExpressionWidget::* )( const QString & ) >( &QgsFieldExpressionWidget::fieldChanged ), mHistogramWidget, &QgsHistogramWidget::setSourceFieldExp ); mExpressionWidget->registerExpressionContextGenerator( this ); }