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 );
}
QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer )
: QgsRendererV2Widget( layer, style )
, mRenderer( 0 )
, mModel( 0 )
{
// try to recognize the previous renderer
// (null renderer means "no previous renderer")
if ( renderer )
{
mRenderer = QgsCategorizedSymbolRendererV2::convertFromRenderer( renderer );
}
if ( !mRenderer )
{
mRenderer = new QgsCategorizedSymbolRendererV2( "", QgsCategoryList() );
}
QString attrName = mRenderer->classAttribute();
mOldClassificationAttribute = attrName;
// setup user interface
setupUi( this );
mExpressionWidget->setLayer( mLayer );
cboCategorizedColorRamp->populate( mStyle );
int randomIndex = cboCategorizedColorRamp->findText( tr( "Random colors" ) );
if ( randomIndex != -1 )
{
cboCategorizedColorRamp->setCurrentIndex( randomIndex );
}
// set project default color ramp
QString defaultColorRamp = QgsProject::instance()->readEntry( "DefaultStyles", "/ColorRamp", "" );
if ( defaultColorRamp != "" )
{
int index = cboCategorizedColorRamp->findText( defaultColorRamp, Qt::MatchCaseSensitive );
if ( index >= 0 )
cboCategorizedColorRamp->setCurrentIndex( index );
}
mCategorizedSymbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() );
mModel = new QgsCategorizedSymbolRendererV2Model( this );
mModel->setRenderer( mRenderer );
// update GUI from renderer
updateUiFromRenderer();
viewCategories->setModel( mModel );
viewCategories->resizeColumnToContents( 0 );
viewCategories->resizeColumnToContents( 1 );
viewCategories->resizeColumnToContents( 2 );
viewCategories->setStyle( new QgsCategorizedSymbolRendererV2ViewStyle( viewCategories->style() ) );
connect( mModel, SIGNAL( rowsMoved() ), this, SLOT( rowsMoved() ) );
connect( mExpressionWidget, SIGNAL( fieldChanged( QString ) ), this, SLOT( categoryColumnChanged( QString ) ) );
connect( viewCategories, SIGNAL( doubleClicked( const QModelIndex & ) ), this, SLOT( categoriesDoubleClicked( const QModelIndex & ) ) );
connect( viewCategories, SIGNAL( customContextMenuRequested( const QPoint& ) ), this, SLOT( contextMenuViewCategories( const QPoint& ) ) );
connect( btnChangeCategorizedSymbol, SIGNAL( clicked() ), this, SLOT( changeCategorizedSymbol() ) );
connect( btnAddCategories, SIGNAL( clicked() ), this, SLOT( addCategories() ) );
connect( btnDeleteCategories, SIGNAL( clicked() ), this, SLOT( deleteCategories() ) );
connect( btnDeleteAllCategories, SIGNAL( clicked() ), this, SLOT( deleteAllCategories() ) );
connect( btnAddCategory, SIGNAL( clicked() ), this, SLOT( addCategory() ) );
connect( cbxInvertedColorRamp, SIGNAL( toggled( bool ) ), this, SLOT( applyColorRamp() ) );
connect( cboCategorizedColorRamp, SIGNAL( currentIndexChanged( int ) ), this, SLOT( applyColorRamp() ) );
// menus for data-defined rotation/size
QMenu* advMenu = new QMenu;
advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) );
mDataDefinedMenus = new QgsRendererV2DataDefinedMenus( advMenu, mLayer,
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 );
}
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 );
}
QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget( 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() != "categorizedSymbol" )
{
// we're not going to use it - so let's delete the renderer
delete renderer;
mRenderer = new QgsCategorizedSymbolRendererV2( "", QgsCategoryList() );
}
else
{
mRenderer = static_cast<QgsCategorizedSymbolRendererV2*>( renderer );
}
QString attrName = mRenderer->classAttribute();
mOldClassificationAttribute = attrName;
// setup user interface
setupUi( this );
populateColumns();
cboCategorizedColorRamp->populate( mStyle );
QStandardItemModel* m = new QStandardItemModel( this );
QStringList labels;
labels << tr( "Symbol" ) << tr( "Value" ) << tr( "Label" );
m->setHorizontalHeaderLabels( labels );
viewCategories->setModel( m );
mCategorizedSymbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() );
connect( cboCategorizedColumn, SIGNAL( currentIndexChanged( int ) ), this, SLOT( categoryColumnChanged() ) );
connect( viewCategories, SIGNAL( doubleClicked( const QModelIndex & ) ), this, SLOT( categoriesDoubleClicked( const QModelIndex & ) ) );
connect( viewCategories, SIGNAL( customContextMenuRequested( const QPoint& ) ), this, SLOT( contextMenuViewCategories( const QPoint& ) ) );
connect( btnChangeCategorizedSymbol, SIGNAL( clicked() ), this, SLOT( changeCategorizedSymbol() ) );
connect( btnAddCategories, SIGNAL( clicked() ), this, SLOT( addCategories() ) );
connect( btnDeleteCategory, SIGNAL( clicked() ), this, SLOT( deleteCategory() ) );
connect( btnDeleteAllCategories, SIGNAL( clicked() ), this, SLOT( deleteAllCategories() ) );
connect( btnAddCategory, SIGNAL( clicked() ), this, SLOT( addCategory() ) );
connect( m, SIGNAL( itemChanged( QStandardItem * ) ), this, SLOT( changeCurrentValue( QStandardItem * ) ) );
// update GUI from renderer
updateUiFromRenderer();
// 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() );
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 )
{
// 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 );
}
QgsCategorizedSymbolRendererWidget::QgsCategorizedSymbolRendererWidget( QgsVectorLayer *layer, QgsStyle *style, QgsFeatureRenderer *renderer )
: QgsRendererWidget( layer, style )
, mRenderer( nullptr )
, mModel( nullptr )
{
// try to recognize the previous renderer
// (null renderer means "no previous renderer")
if ( renderer )
{
mRenderer = QgsCategorizedSymbolRenderer::convertFromRenderer( renderer );
}
if ( !mRenderer )
{
mRenderer = new QgsCategorizedSymbolRenderer( QLatin1String( "" ), QgsCategoryList() );
}
QString attrName = mRenderer->classAttribute();
mOldClassificationAttribute = attrName;
// setup user interface
setupUi( this );
this->layout()->setContentsMargins( 0, 0, 0, 0 );
mExpressionWidget->setLayer( mLayer );
// initiate color ramp button to random
btnColorRamp->setShowRandomColorRamp( true );
// set project default color ramp
QString defaultColorRamp = QgsProject::instance()->readEntry( QStringLiteral( "DefaultStyles" ), QStringLiteral( "/ColorRamp" ), QLatin1String( "" ) );
if ( defaultColorRamp != QLatin1String( "" ) )
{
btnColorRamp->setColorRampFromName( defaultColorRamp );
}
else
{
btnColorRamp->setRandomColorRamp();
}
mCategorizedSymbol = QgsSymbol::defaultSymbol( mLayer->geometryType() );
mModel = new QgsCategorizedSymbolRendererModel( this );
mModel->setRenderer( mRenderer );
// update GUI from renderer
updateUiFromRenderer();
viewCategories->setModel( mModel );
viewCategories->resizeColumnToContents( 0 );
viewCategories->resizeColumnToContents( 1 );
viewCategories->resizeColumnToContents( 2 );
viewCategories->setStyle( new QgsCategorizedSymbolRendererViewStyle( viewCategories->style() ) );
connect( mModel, &QgsCategorizedSymbolRendererModel::rowsMoved, this, &QgsCategorizedSymbolRendererWidget::rowsMoved );
connect( mModel, &QAbstractItemModel::dataChanged, this, &QgsPanelWidget::widgetChanged );
connect( mExpressionWidget, static_cast < void ( QgsFieldExpressionWidget::* )( const QString & ) >( &QgsFieldExpressionWidget::fieldChanged ), this, &QgsCategorizedSymbolRendererWidget::categoryColumnChanged );
connect( viewCategories, &QAbstractItemView::doubleClicked, this, &QgsCategorizedSymbolRendererWidget::categoriesDoubleClicked );
connect( viewCategories, &QTreeView::customContextMenuRequested, this, &QgsCategorizedSymbolRendererWidget::contextMenuViewCategories );
connect( btnChangeCategorizedSymbol, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::changeCategorizedSymbol );
connect( btnAddCategories, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::addCategories );
connect( btnDeleteCategories, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::deleteCategories );
connect( btnDeleteAllCategories, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::deleteAllCategories );
connect( btnAddCategory, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::addCategory );
connect( btnColorRamp, &QgsColorRampButton::colorRampChanged, this, &QgsCategorizedSymbolRendererWidget::applyColorRamp );
// menus for data-defined rotation/size
QMenu *advMenu = new QMenu;
advMenu->addAction( tr( "Match to saved symbols" ), this, SLOT( matchToSymbolsFromLibrary() ) );
advMenu->addAction( tr( "Match to symbols from file..." ), this, SLOT( matchToSymbolsFromXml() ) );
advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) );
btnAdvanced->setMenu( advMenu );
mExpressionWidget->registerExpressionContextGenerator( this );
}
QgsCategorizedSymbolRendererWidget::QgsCategorizedSymbolRendererWidget( QgsVectorLayer *layer, QgsStyle *style, QgsFeatureRenderer *renderer )
: QgsRendererWidget( layer, style )
, mContextMenu( new QMenu( this ) )
{
// try to recognize the previous renderer
// (null renderer means "no previous renderer")
if ( renderer )
{
mRenderer.reset( QgsCategorizedSymbolRenderer::convertFromRenderer( renderer ) );
}
if ( !mRenderer )
{
mRenderer = qgis::make_unique< QgsCategorizedSymbolRenderer >( QString(), QgsCategoryList() );
}
QString attrName = mRenderer->classAttribute();
mOldClassificationAttribute = attrName;
// setup user interface
setupUi( this );
this->layout()->setContentsMargins( 0, 0, 0, 0 );
mExpressionWidget->setLayer( mLayer );
// initiate color ramp button to random
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
{
btnColorRamp->setRandomColorRamp();
}
mCategorizedSymbol.reset( QgsSymbol::defaultSymbol( mLayer->geometryType() ) );
mModel = new QgsCategorizedSymbolRendererModel( this );
mModel->setRenderer( mRenderer.get() );
// update GUI from renderer
updateUiFromRenderer();
viewCategories->setModel( mModel );
viewCategories->resizeColumnToContents( 0 );
viewCategories->resizeColumnToContents( 1 );
viewCategories->resizeColumnToContents( 2 );
viewCategories->setStyle( new QgsCategorizedSymbolRendererViewStyle( viewCategories ) );
connect( mModel, &QgsCategorizedSymbolRendererModel::rowsMoved, this, &QgsCategorizedSymbolRendererWidget::rowsMoved );
connect( mModel, &QAbstractItemModel::dataChanged, this, &QgsPanelWidget::widgetChanged );
connect( mExpressionWidget, static_cast < void ( QgsFieldExpressionWidget::* )( const QString & ) >( &QgsFieldExpressionWidget::fieldChanged ), this, &QgsCategorizedSymbolRendererWidget::categoryColumnChanged );
connect( viewCategories, &QAbstractItemView::doubleClicked, this, &QgsCategorizedSymbolRendererWidget::categoriesDoubleClicked );
connect( viewCategories, &QTreeView::customContextMenuRequested, this, &QgsCategorizedSymbolRendererWidget::showContextMenu );
connect( btnChangeCategorizedSymbol, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::changeCategorizedSymbol );
connect( btnAddCategories, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::addCategories );
connect( btnDeleteCategories, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::deleteCategories );
connect( btnDeleteAllCategories, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::deleteAllCategories );
connect( btnAddCategory, &QAbstractButton::clicked, this, &QgsCategorizedSymbolRendererWidget::addCategory );
connect( btnColorRamp, &QgsColorRampButton::colorRampChanged, this, &QgsCategorizedSymbolRendererWidget::applyColorRamp );
// menus for data-defined rotation/size
QMenu *advMenu = new QMenu;
advMenu->addAction( tr( "Match to Saved Symbols" ), this, SLOT( matchToSymbolsFromLibrary() ) );
advMenu->addAction( tr( "Match to Symbols from File…" ), this, SLOT( matchToSymbolsFromXml() ) );
advMenu->addAction( tr( "Symbol Levels…" ), this, SLOT( showSymbolLevels() ) );
if ( mCategorizedSymbol->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, &QgsCategorizedSymbolRendererWidget::dataDefinedSizeLegend );
}
btnAdvanced->setMenu( advMenu );
mExpressionWidget->registerExpressionContextGenerator( this );
mMergeCategoriesAction = new QAction( tr( "Merge Categories" ), this );
connect( mMergeCategoriesAction, &QAction::triggered, this, &QgsCategorizedSymbolRendererWidget::mergeSelectedCategories );
mUnmergeCategoriesAction = new QAction( tr( "Unmerge Categories" ), this );
connect( mUnmergeCategoriesAction, &QAction::triggered, this, &QgsCategorizedSymbolRendererWidget::unmergeSelectedCategories );
}
void QgsGraduatedSymbolRendererV2Widget::classifyGraduated()
{
QString attrName = mExpressionWidget->currentField();
int nclasses = spinGraduatedClasses->value();
QSharedPointer<QgsVectorColorRampV2> ramp( cboGraduatedColorRamp->currentColorRamp() );
if ( !ramp )
{
if ( cboGraduatedColorRamp->count() == 0 )
QMessageBox::critical( this, tr( "Error" ), tr( "There are no available color ramps. You can add them in Style Manager." ) );
else
QMessageBox::critical( this, tr( "Error" ), tr( "The selected color ramp is not available." ) );
return;
}
QgsGraduatedSymbolRendererV2::Mode mode;
if ( cboGraduatedMode->currentIndex() == 0 )
mode = QgsGraduatedSymbolRendererV2::EqualInterval;
else if ( cboGraduatedMode->currentIndex() == 2 )
mode = QgsGraduatedSymbolRendererV2::Jenks;
else if ( cboGraduatedMode->currentIndex() == 3 )
mode = QgsGraduatedSymbolRendererV2::StdDev;
else if ( cboGraduatedMode->currentIndex() == 4 )
mode = QgsGraduatedSymbolRendererV2::Pretty;
else // default should be quantile for now
mode = QgsGraduatedSymbolRendererV2::Quantile;
// Jenks is n^2 complexity, warn for big dataset (more than 50k records)
// and give the user the chance to cancel
if ( QgsGraduatedSymbolRendererV2::Jenks == mode && mLayer->featureCount() > 50000 )
{
if ( QMessageBox::Cancel == QMessageBox::question( this, tr( "Warning" ), tr( "Natural break classification (Jenks) is O(n2) complexity, your classification may take a long time.\nPress cancel to abort breaks calculation or OK to continue." ), QMessageBox::Cancel, QMessageBox::Ok ) )
return;
}
// create and set new renderer
mRenderer->setClassAttribute( attrName );
mRenderer->setMode( mode );
if ( methodComboBox->currentIndex() == 0 )
{
QgsVectorColorRampV2* ramp = cboGraduatedColorRamp->currentColorRamp();
if ( !ramp )
{
if ( cboGraduatedColorRamp->count() == 0 )
QMessageBox::critical( this, tr( "Error" ), tr( "There are no available color ramps. You can add them in Style Manager." ) );
else
QMessageBox::critical( this, tr( "Error" ), tr( "The selected color ramp is not available." ) );
return;
}
mRenderer->setSourceColorRamp( ramp );
}
else
{
mRenderer->setSourceColorRamp( nullptr );
}
QApplication::setOverrideCursor( Qt::WaitCursor );
mRenderer->updateClasses( mLayer, mode, nclasses );
if ( methodComboBox->currentIndex() == 1 )
mRenderer->setSymbolSizes( minSizeSpinBox->value(), maxSizeSpinBox->value() );
mRenderer->calculateLabelPrecision();
QApplication::restoreOverrideCursor();
// PrettyBreaks and StdDev calculation don't generate exact
// number of classes - leave user interface unchanged for these
updateUiFromRenderer( false );
}
QgsCategorizedSymbolRendererWidget::QgsCategorizedSymbolRendererWidget( QgsVectorLayer* layer, QgsStyle* style, QgsFeatureRenderer* renderer )
: QgsRendererWidget( layer, style )
, mRenderer( nullptr )
, mModel( nullptr )
{
// try to recognize the previous renderer
// (null renderer means "no previous renderer")
if ( renderer )
{
mRenderer = QgsCategorizedSymbolRenderer::convertFromRenderer( renderer );
}
if ( !mRenderer )
{
mRenderer = new QgsCategorizedSymbolRenderer( QLatin1String( "" ), QgsCategoryList() );
}
QString attrName = mRenderer->classAttribute();
mOldClassificationAttribute = attrName;
// setup user interface
setupUi( this );
mExpressionWidget->setLayer( mLayer );
cboCategorizedColorRamp->populate( mStyle );
int randomIndex = cboCategorizedColorRamp->findText( tr( "Random colors" ) );
if ( randomIndex != -1 )
{
cboCategorizedColorRamp->setCurrentIndex( randomIndex );
mButtonEditRamp->setEnabled( false );
}
// set project default color ramp
QString defaultColorRamp = QgsProject::instance()->readEntry( QStringLiteral( "DefaultStyles" ), QStringLiteral( "/ColorRamp" ), QLatin1String( "" ) );
if ( defaultColorRamp != QLatin1String( "" ) )
{
int index = cboCategorizedColorRamp->findText( defaultColorRamp, Qt::MatchCaseSensitive );
if ( index >= 0 )
cboCategorizedColorRamp->setCurrentIndex( index );
}
mCategorizedSymbol = QgsSymbol::defaultSymbol( mLayer->geometryType() );
mModel = new QgsCategorizedSymbolRendererModel( this );
mModel->setRenderer( mRenderer );
// update GUI from renderer
updateUiFromRenderer();
viewCategories->setModel( mModel );
viewCategories->resizeColumnToContents( 0 );
viewCategories->resizeColumnToContents( 1 );
viewCategories->resizeColumnToContents( 2 );
viewCategories->setStyle( new QgsCategorizedSymbolRendererViewStyle( viewCategories->style() ) );
connect( mModel, SIGNAL( rowsMoved() ), this, SLOT( rowsMoved() ) );
connect( mModel, SIGNAL( dataChanged( QModelIndex, QModelIndex ) ), this, SIGNAL( widgetChanged() ) );
connect( mExpressionWidget, SIGNAL( fieldChanged( QString ) ), this, SLOT( categoryColumnChanged( QString ) ) );
connect( viewCategories, SIGNAL( doubleClicked( const QModelIndex & ) ), this, SLOT( categoriesDoubleClicked( const QModelIndex & ) ) );
connect( viewCategories, SIGNAL( customContextMenuRequested( const QPoint& ) ), this, SLOT( contextMenuViewCategories( const QPoint& ) ) );
connect( btnChangeCategorizedSymbol, SIGNAL( clicked() ), this, SLOT( changeCategorizedSymbol() ) );
connect( btnAddCategories, SIGNAL( clicked() ), this, SLOT( addCategories() ) );
connect( btnDeleteCategories, SIGNAL( clicked() ), this, SLOT( deleteCategories() ) );
connect( btnDeleteAllCategories, SIGNAL( clicked() ), this, SLOT( deleteAllCategories() ) );
connect( btnAddCategory, SIGNAL( clicked() ), this, SLOT( addCategory() ) );
connect( cbxInvertedColorRamp, SIGNAL( toggled( bool ) ), this, SLOT( applyColorRamp() ) );
connect( cboCategorizedColorRamp, SIGNAL( currentIndexChanged( int ) ), this, SLOT( applyColorRamp() ) );
connect( cboCategorizedColorRamp, SIGNAL( sourceRampEdited() ), this, SLOT( applyColorRamp() ) );
connect( mButtonEditRamp, SIGNAL( clicked() ), cboCategorizedColorRamp, SLOT( editSourceRamp() ) );
// menus for data-defined rotation/size
QMenu* advMenu = new QMenu;
advMenu->addAction( tr( "Match to saved symbols" ), this, SLOT( matchToSymbolsFromLibrary() ) );
advMenu->addAction( tr( "Match to symbols from file..." ), this, SLOT( matchToSymbolsFromXml() ) );
advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) );
btnAdvanced->setMenu( advMenu );
mExpressionWidget->registerExpressionContextGenerator( this );
}
void QgsGraduatedSymbolRendererWidget::classifyGraduated()
{
QString attrName = mExpressionWidget->currentField();
int nclasses = spinGraduatedClasses->value();
std::unique_ptr<QgsColorRamp> ramp( btnColorRamp->colorRamp() );
if ( !ramp )
{
QMessageBox::critical( this, tr( "Apply Classification" ), tr( "No color ramp defined." ) );
return;
}
QgsGraduatedSymbolRenderer::Mode mode;
bool useSymmetricMode = false;
bool astride = false;
int attrNum = mLayer->fields().lookupField( attrName );
double minimum = mLayer->minimumValue( attrNum ).toDouble();
double maximum = mLayer->maximumValue( attrNum ).toDouble();
spinSymmetryPointForOtherMethods->setMinimum( minimum );
spinSymmetryPointForOtherMethods->setMaximum( maximum );
spinSymmetryPointForOtherMethods->setDecimals( spinPrecision->value() );
double symmetryPoint = spinSymmetryPointForOtherMethods->value();
const QgsGraduatedSymbolRenderer::Mode cboMode = static_cast< QgsGraduatedSymbolRenderer::Mode >( cboGraduatedMode->currentData().toInt() );
switch ( cboMode )
{
case QgsGraduatedSymbolRenderer::EqualInterval:
{
mode = QgsGraduatedSymbolRenderer::EqualInterval;
// knowing that spinSymmetryPointForOtherMethods->value() is automatically put at minimum when out of min-max
// using "(maximum-minimum)/100)" to avoid direct comparison of doubles
if ( spinSymmetryPointForOtherMethods->value() < ( minimum + ( maximum - minimum ) / 100. ) || spinSymmetryPointForOtherMethods->value() > ( maximum - ( maximum - minimum ) / 100. ) )
spinSymmetryPointForOtherMethods->setValue( minimum + ( maximum - minimum ) / 2. );
if ( mGroupBoxSymmetric->isChecked() )
{
useSymmetricMode = true;
symmetryPoint = spinSymmetryPointForOtherMethods->value();
astride = cbxAstride->isChecked();
}
break;
}
case QgsGraduatedSymbolRenderer::Jenks:
{
mode = QgsGraduatedSymbolRenderer::Jenks;
break;
}
case QgsGraduatedSymbolRenderer::StdDev:
{
mode = QgsGraduatedSymbolRenderer::StdDev;
// knowing that spinSymmetryPointForOtherMethods->value() is automatically put at minimum when out of min-max
// using "(maximum-minimum)/100)" to avoid direct comparison of doubles
if ( spinSymmetryPointForOtherMethods->value() < ( minimum + ( maximum - minimum ) / 100. ) || spinSymmetryPointForOtherMethods->value() > ( maximum - ( maximum - minimum ) / 100. ) )
spinSymmetryPointForOtherMethods->setValue( minimum + ( maximum - minimum ) / 2. );
if ( mGroupBoxSymmetric->isChecked() )
{
useSymmetricMode = true;
symmetryPoint = spinSymmetryPointForOtherMethods->value();
astride = cbxAstride->isChecked();
}
break;
}
case QgsGraduatedSymbolRenderer::Pretty:
{
mode = QgsGraduatedSymbolRenderer::Pretty;
if ( mGroupBoxSymmetric->isChecked() )
{
useSymmetricMode = true;
astride = cbxAstride->isChecked();
symmetryPoint = cboSymmetryPointForPretty->currentText().toDouble(); //selected number
}
break;
}
case QgsGraduatedSymbolRenderer::Quantile:
case QgsGraduatedSymbolRenderer::Custom:
{
// default should be quantile for now
mode = QgsGraduatedSymbolRenderer::Quantile; // Quantile
break;
}
}
// Jenks is n^2 complexity, warn for big dataset (more than 50k records)
// and give the user the chance to cancel
if ( QgsGraduatedSymbolRenderer::Jenks == mode && mLayer->featureCount() > 50000 )
{
if ( QMessageBox::Cancel == QMessageBox::question( this, tr( "Apply Classification" ), tr( "Natural break classification (Jenks) is O(n2) complexity, your classification may take a long time.\nPress cancel to abort breaks calculation or OK to continue." ), QMessageBox::Cancel, QMessageBox::Ok ) )
return;
}
// create and set new renderer
mRenderer->setClassAttribute( attrName );
mRenderer->setMode( mode );
mRenderer->setUseSymmetricMode( useSymmetricMode );
mRenderer->setSymmetryPoint( symmetryPoint );
mRenderer->setAstride( astride );
if ( methodComboBox->currentIndex() == 0 )
{
if ( !ramp )
{
QMessageBox::critical( this, tr( "Apply Classification" ), tr( "No color ramp defined." ) );
return;
}
mRenderer->setSourceColorRamp( ramp.release() );
}
else
{
mRenderer->setSourceColorRamp( nullptr );
}
QApplication::setOverrideCursor( Qt::WaitCursor );
mRenderer->updateClasses( mLayer, mode, nclasses, useSymmetricMode, symmetryPoint, astride );
if ( methodComboBox->currentIndex() == 1 )
mRenderer->setSymbolSizes( minSizeSpinBox->value(), maxSizeSpinBox->value() );
mRenderer->calculateLabelPrecision();
QApplication::restoreOverrideCursor();
// PrettyBreaks and StdDev calculation don't generate exact
// number of classes - leave user interface unchanged for these
updateUiFromRenderer( false );
}
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 );
}