void QgsGraduatedSymbolRendererV2Widget::updateUiFromRenderer()
{
updateGraduatedSymbolIcon();
// update UI from the graduated renderer (update combo boxes, view)
if ( mRenderer->mode() < cboGraduatedMode->count() )
cboGraduatedMode->setCurrentIndex( mRenderer->mode() );
if ( mRenderer->ranges().count() )
spinGraduatedClasses->setValue( mRenderer->ranges().count() );
// set column
disconnect( mExpressionWidget, SIGNAL( fieldChanged( QString ) ), this, SLOT( graduatedColumnChanged( QString ) ) );
QString attrName = mRenderer->classAttribute();
mExpressionWidget->setField( attrName );
connect( mExpressionWidget, SIGNAL( fieldChanged( QString ) ), this, SLOT( graduatedColumnChanged( QString ) ) );
// set source symbol
if ( mRenderer->sourceSymbol() )
{
delete mGraduatedSymbol;
mGraduatedSymbol = mRenderer->sourceSymbol()->clone();
updateGraduatedSymbolIcon();
}
// set source color ramp
if ( mRenderer->sourceColorRamp() )
{
cboGraduatedColorRamp->setSourceColorRamp( mRenderer->sourceColorRamp() );
cbxInvertedColorRamp->setChecked( mRenderer->invertedColorRamp() );
}
}
void QgsGraduatedSymbolRendererV2Widget::updateUiFromRenderer()
{
updateGraduatedSymbolIcon();
populateRanges();
// update UI from the graduated renderer (update combo boxes, view)
if ( mRenderer->mode() < cboGraduatedMode->count() )
cboGraduatedMode->setCurrentIndex( mRenderer->mode() );
if ( mRenderer->ranges().count() )
spinGraduatedClasses->setValue( mRenderer->ranges().count() );
// set column
disconnect( cboGraduatedColumn, SIGNAL( currentIndexChanged( int ) ), this, SLOT( graduatedColumnChanged() ) );
QString attrName = mRenderer->classAttribute();
int idx = cboGraduatedColumn->findText( attrName, Qt::MatchExactly );
cboGraduatedColumn->setCurrentIndex( idx >= 0 ? idx : 0 );
connect( cboGraduatedColumn, SIGNAL( currentIndexChanged( int ) ), this, SLOT( graduatedColumnChanged() ) );
// set source symbol
if ( mRenderer->sourceSymbol() )
{
delete mGraduatedSymbol;
mGraduatedSymbol = mRenderer->sourceSymbol()->clone();
updateGraduatedSymbolIcon();
}
// set source color ramp
if ( mRenderer->sourceColorRamp() )
{
cboGraduatedColorRamp->setSourceColorRamp( mRenderer->sourceColorRamp() );
}
}
void QgsGraduatedSymbolRendererV2Widget::changeGraduatedSymbol()
{
// Change the selected symbols alone if anything is selected
QItemSelectionModel* m = viewGraduated->selectionModel();
QModelIndexList i = m->selectedRows();
if ( m && !i.isEmpty() )
{
changeSelectedSymbols();
return;
}
// Otherwise change the base mGraduatedSymbol
QgsSymbolV2* newSymbol = mGraduatedSymbol->clone();
QgsSymbolV2SelectorDialog dlg( newSymbol, mStyle, mLayer, this );
dlg.setMapCanvas( mMapCanvas );
if ( !dlg.exec() )
{
delete newSymbol;
return;
}
delete mGraduatedSymbol;
mGraduatedSymbol = newSymbol;
mSizeUnitWidget->blockSignals( true );
mSizeUnitWidget->setUnit( mGraduatedSymbol->outputUnit() );
mSizeUnitWidget->setMapUnitScale( mGraduatedSymbol->mapUnitScale() );
mSizeUnitWidget->blockSignals( false );
updateGraduatedSymbolIcon();
mRenderer->updateSymbols( mGraduatedSymbol );
refreshSymbolView();
}
void QgsGraduatedSymbolRendererV2Widget::changeGraduatedSymbol()
{
// Change the selected symbols alone if anything is selected
QItemSelectionModel* m = viewGraduated->selectionModel();
QModelIndexList i = m->selectedRows();
if ( m && i.size() > 0 )
{
changeSelectedSymbols();
return;
}
// Otherwise change the base mGraduatedSymbol
QgsSymbolV2* newSymbol = mGraduatedSymbol->clone();
QgsSymbolV2SelectorDialog dlg( newSymbol, mStyle, mLayer, this );
if ( !dlg.exec() )
{
delete newSymbol;
return;
}
mGraduatedSymbol = newSymbol;
updateGraduatedSymbolIcon();
mRenderer->updateSymbols( mGraduatedSymbol );
refreshSymbolView();
}
void QgsGraduatedSymbolRendererWidget::changeGraduatedSymbol()
{
QgsPanelWidget *panel = QgsPanelWidget::findParentPanel( this );
std::unique_ptr< QgsSymbol > newSymbol( mGraduatedSymbol->clone() );
if ( panel && panel->dockMode() )
{
QgsSymbolSelectorWidget *dlg = new QgsSymbolSelectorWidget( newSymbol.release(), mStyle, mLayer, panel );
dlg->setContext( mContext );
connect( dlg, &QgsPanelWidget::widgetChanged, this, &QgsGraduatedSymbolRendererWidget::updateSymbolsFromWidget );
connect( dlg, &QgsPanelWidget::panelAccepted, this, &QgsGraduatedSymbolRendererWidget::cleanUpSymbolSelector );
connect( dlg, &QgsPanelWidget::panelAccepted, this, &QgsGraduatedSymbolRendererWidget::updateGraduatedSymbolIcon );
panel->openPanel( dlg );
}
else
{
QgsSymbolSelectorDialog dlg( newSymbol.get(), mStyle, mLayer, panel );
if ( !dlg.exec() || !newSymbol )
{
return;
}
mGraduatedSymbol = std::move( newSymbol );
updateGraduatedSymbolIcon();
applyChangeToSymbol();
}
}
void QgsGraduatedSymbolRendererV2Widget::changeGraduatedSymbol()
{
QgsSymbolV2SelectorDialog dlg( mGraduatedSymbol, mStyle, mLayer, this );
if ( !dlg.exec() )
return;
updateGraduatedSymbolIcon();
}
void QgsGraduatedSymbolRendererV2Widget::on_mSizeUnitWidget_changed()
{
if ( !mGraduatedSymbol ) return;
mGraduatedSymbol->setOutputUnit( mSizeUnitWidget->unit() );
mGraduatedSymbol->setMapUnitScale( mSizeUnitWidget->getMapUnitScale() );
updateGraduatedSymbolIcon();
mRenderer->updateSymbols( mGraduatedSymbol );
refreshSymbolView();
}
void QgsGraduatedSymbolRendererV2Widget::updateUiFromRenderer( bool updateCount )
{
disconnectUpdateHandlers();
updateGraduatedSymbolIcon();
// update UI from the graduated renderer (update combo boxes, view)
if ( mRenderer->mode() < cboGraduatedMode->count() )
cboGraduatedMode->setCurrentIndex( mRenderer->mode() );
// Only update class count if different - otherwise typing value gets very messy
int nclasses = mRenderer->ranges().count();
if ( nclasses && updateCount )
spinGraduatedClasses->setValue( mRenderer->ranges().count() );
// set column
QString attrName = mRenderer->classAttribute();
mExpressionWidget->setField( attrName );
mHistogramWidget->setSourceFieldExp( attrName );
// set source symbol
if ( mRenderer->sourceSymbol() )
{
delete mGraduatedSymbol;
mGraduatedSymbol = mRenderer->sourceSymbol()->clone();
updateGraduatedSymbolIcon();
}
mModel->setRenderer( mRenderer );
viewGraduated->setModel( mModel );
if ( mGraduatedSymbol )
{
mSizeUnitWidget->blockSignals( true );
mSizeUnitWidget->setUnit( mGraduatedSymbol->outputUnit() );
mSizeUnitWidget->setMapUnitScale( mGraduatedSymbol->mapUnitScale() );
mSizeUnitWidget->blockSignals( false );
}
// set source color ramp
methodComboBox->blockSignals( true );
if ( mRenderer->graduatedMethod() == QgsGraduatedSymbolRendererV2::GraduatedColor )
{
methodComboBox->setCurrentIndex( 0 );
if ( mRenderer->sourceColorRamp() )
cboGraduatedColorRamp->setSourceColorRamp( mRenderer->sourceColorRamp() );
cbxInvertedColorRamp->setChecked( mRenderer->invertedColorRamp() );
}
else
{
methodComboBox->setCurrentIndex( 1 );
if ( !mRenderer->ranges().isEmpty() ) // avoid overiding default size with zeros
{
minSizeSpinBox->setValue( mRenderer->minSymbolSize() );
maxSizeSpinBox->setValue( mRenderer->maxSymbolSize() );
}
}
mMethodStackedWidget->setCurrentIndex( methodComboBox->currentIndex() );
methodComboBox->blockSignals( false );
QgsRendererRangeV2LabelFormat labelFormat = mRenderer->labelFormat();
txtLegendFormat->setText( labelFormat.format() );
spinPrecision->setValue( labelFormat.precision() );
cbxTrimTrailingZeroes->setChecked( labelFormat.trimTrailingZeroes() );
viewGraduated->resizeColumnToContents( 0 );
viewGraduated->resizeColumnToContents( 1 );
viewGraduated->resizeColumnToContents( 2 );
mHistogramWidget->refresh();
connectUpdateHandlers();
emit widgetChanged();
}
void QgsGraduatedSymbolRendererWidget::updateUiFromRenderer( bool updateCount )
{
disconnectUpdateHandlers();
updateGraduatedSymbolIcon();
spinSymmetryPointForOtherMethods->setShowClearButton( false );
// update UI from the graduated renderer (update combo boxes, view)
if ( cboGraduatedMode->findData( mRenderer->mode() ) >= 0 )
{
cboGraduatedMode->setCurrentIndex( cboGraduatedMode->findData( mRenderer->mode() ) );
}
// symmetric classification
const QgsGraduatedSymbolRenderer::Mode cboMode = static_cast< QgsGraduatedSymbolRenderer::Mode >( cboGraduatedMode->currentData().toInt() );
switch ( cboMode )
{
case QgsGraduatedSymbolRenderer::EqualInterval:
case QgsGraduatedSymbolRenderer::StdDev:
{
mGroupBoxSymmetric->setVisible( true );
cbxAstride->setVisible( true );
cboSymmetryPointForPretty->setVisible( false );
spinSymmetryPointForOtherMethods->setVisible( true );
spinSymmetryPointForOtherMethods->setValue( mRenderer->symmetryPoint() );
break;
}
case QgsGraduatedSymbolRenderer::Pretty:
{
mGroupBoxSymmetric->setVisible( true );
cbxAstride->setVisible( true );
spinSymmetryPointForOtherMethods->setVisible( false );
cboSymmetryPointForPretty->setVisible( true );
cboSymmetryPointForPretty->clear();
cboSymmetryPointForPretty->addItems( mRenderer->listForCboPrettyBreaks() );
// replace the combobox on the good old value
cboSymmetryPointForPretty->setCurrentText( QString::number( mRenderer->symmetryPoint(), 'f', 2 ) );
break;
}
case QgsGraduatedSymbolRenderer::Quantile:
case QgsGraduatedSymbolRenderer::Jenks:
case QgsGraduatedSymbolRenderer::Custom:
{
mGroupBoxSymmetric->setVisible( false );
cbxAstride->setVisible( false );
cboSymmetryPointForPretty->setVisible( false );
spinSymmetryPointForOtherMethods->setVisible( false );
spinSymmetryPointForOtherMethods->setValue( mRenderer->symmetryPoint() );
break;
}
}
if ( mRenderer->useSymmetricMode() )
{
mGroupBoxSymmetric->setChecked( true );
spinSymmetryPointForOtherMethods->setEnabled( true );
cbxAstride->setEnabled( true );
cboSymmetryPointForPretty->setEnabled( true );
}
else
{
mGroupBoxSymmetric->setChecked( false );
spinSymmetryPointForOtherMethods->setEnabled( false );
cbxAstride->setEnabled( false );
cboSymmetryPointForPretty->setEnabled( false );
}
if ( mRenderer->astride() )
cbxAstride->setChecked( true );
else
cbxAstride->setChecked( false );
// Only update class count if different - otherwise typing value gets very messy
int nclasses = mRenderer->ranges().count();
if ( nclasses && updateCount )
spinGraduatedClasses->setValue( mRenderer->ranges().count() );
// set column
QString attrName = mRenderer->classAttribute();
mExpressionWidget->setField( attrName );
mHistogramWidget->setSourceFieldExp( attrName );
// set source symbol
if ( mRenderer->sourceSymbol() )
{
mGraduatedSymbol.reset( mRenderer->sourceSymbol()->clone() );
updateGraduatedSymbolIcon();
}
mModel->setRenderer( mRenderer.get() );
viewGraduated->setModel( mModel );
if ( mGraduatedSymbol )
{
mSizeUnitWidget->blockSignals( true );
mSizeUnitWidget->setUnit( mGraduatedSymbol->outputUnit() );
mSizeUnitWidget->setMapUnitScale( mGraduatedSymbol->mapUnitScale() );
mSizeUnitWidget->blockSignals( false );
}
// set source color ramp
methodComboBox->blockSignals( true );
if ( mRenderer->graduatedMethod() == QgsGraduatedSymbolRenderer::GraduatedColor )
{
methodComboBox->setCurrentIndex( 0 );
if ( mRenderer->sourceColorRamp() )
{
btnColorRamp->setColorRamp( mRenderer->sourceColorRamp() );
}
}
else
{
methodComboBox->setCurrentIndex( 1 );
if ( !mRenderer->ranges().isEmpty() ) // avoid overriding default size with zeros
{
minSizeSpinBox->setValue( mRenderer->minSymbolSize() );
maxSizeSpinBox->setValue( mRenderer->maxSymbolSize() );
}
}
toggleMethodWidgets( methodComboBox->currentIndex() );
methodComboBox->blockSignals( false );
QgsRendererRangeLabelFormat labelFormat = mRenderer->labelFormat();
txtLegendFormat->setText( labelFormat.format() );
spinPrecision->setValue( labelFormat.precision() );
cbxTrimTrailingZeroes->setChecked( labelFormat.trimTrailingZeroes() );
viewGraduated->resizeColumnToContents( 0 );
viewGraduated->resizeColumnToContents( 1 );
viewGraduated->resizeColumnToContents( 2 );
mHistogramWidget->refresh();
connectUpdateHandlers();
emit widgetChanged();
}
