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 );
}
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 );
}
QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget( 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 = 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 );
mButtonEditRamp->setEnabled( false );
}
// 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( 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->registerGetExpressionContextCallback( &_getExpressionContext, this );
}