36 QgsMaskingWidget::QgsMaskingWidget( QWidget *parent ) :
42 void QgsMaskingWidget::onSelectionChanged()
45 const bool printMessage = mMaskTargetsWidget->selection().empty() != mMaskSourcesWidget->selection().empty();
47 if ( mMessageBarItem && !printMessage )
49 mMessageBar->popWidget( mMessageBarItem );
50 delete mMessageBarItem;
52 else if ( !mMessageBarItem && printMessage )
54 mMessageBarItem =
new QgsMessageBarItem( tr(
"Select both sources and symbol layers or your configuration will be lost" ), Qgis::MessageLevel::Warning, 0,
this );
55 mMessageBar->pushItem( mMessageBarItem );
61 void QgsMaskingWidget::showEvent( QShowEvent *event )
71 mMustPopulate =
false;
93 QList<QPair<QgsSymbolLayerId, QList<QgsSymbolLayerReference>>> symbolLayerMasks(
const QgsVectorLayer *layer )
98 QList<QPair<QgsSymbolLayerId, QList<QgsSymbolLayerReference>>> mMasks;
101 if ( ! sl->
masks().isEmpty() )
102 mMasks.push_back( qMakePair( lid, sl->
masks() ) );
110 if ( mLayer != layer )
113 mMustPopulate =
true;
117 void QgsMaskingWidget::populate()
119 mMaskSourcesWidget->update();
120 mMaskTargetsWidget->setLayer( mLayer );
123 QSet<QgsSymbolLayerId> maskedSymbolLayers;
124 QList<QgsMaskSourceSelectionWidget::MaskSource> maskSources;
128 for (
auto layerIt = layers.begin(); layerIt != layers.end(); layerIt++ )
130 const QString layerId = layerIt.key();
131 QgsVectorLayer *vl = qobject_cast<QgsVectorLayer *>( layerIt.value() );
136 const QList<QPair<QgsSymbolLayerId, QList<QgsSymbolLayerReference>>> slMasks = symbolLayerMasks( vl );
137 for (
const QPair<
QgsSymbolLayerId, QList<QgsSymbolLayerReference>> &p : slMasks )
142 if ( ref.
layerId() == mLayer->id() )
150 maskSources.append( source );
157 for (
auto it = labelMasks.begin(); it != labelMasks.end(); it++ )
159 const QString &ruleKey = it.key();
160 for (
auto it2 = it.value().begin(); it2 != it.value().end(); it2++ )
162 if ( it2.key() == mLayer->id() )
165 maskedSymbolLayers.unite( it2.value() );
170 maskSources.append( source );
176 mMaskSourcesWidget->setSelection( maskSources );
177 mMaskTargetsWidget->setSelection( maskedSymbolLayers );
180 void QgsMaskingWidget::apply()
182 QList<QgsMaskSourceSelectionWidget::MaskSource> maskSources = mMaskSourcesWidget->selection();
183 QSet<QgsSymbolLayerId> maskedSymbolLayers = mMaskTargetsWidget->selection();
185 QSet<QString> layersToRefresh;
188 for (
auto layerIt = layers.begin(); layerIt != layers.end(); layerIt++ )
190 QgsVectorLayer *vl = qobject_cast<QgsVectorLayer *>( layerIt.value() );
200 QgsMaskMarkerSymbolLayer *maskSl = const_cast<QgsMaskMarkerSymbolLayer *>( static_cast<const QgsMaskMarkerSymbolLayer *>( sl ) );
202 const QgsSymbolLayerReferenceList masks = maskSl->masks();
203 QgsSymbolLayerReferenceList newMasks;
204 for ( const QgsSymbolLayerReference &ref : masks )
207 if ( ref.layerId() != mLayer->id() )
208 newMasks.append( ref );
215 for ( const QgsSymbolLayerId &maskedId : maskedSymbolLayers )
217 newMasks.append( QgsSymbolLayerReference( mLayer->id(), maskedId ) );
220 layersToRefresh.insert( source.
layerId );
223 maskSl->setMasks( newMasks );
245 if ( ref.
layerId() != mLayer->id() )
246 newMasks.append( ref );
259 layersToRefresh.insert( source.
layerId );
270 mLayer->triggerRepaint();
272 for (
const QString &layerId : layersToRefresh )
279 bool QgsMaskingWidget::hasBeenPopulated()
281 return !mMustPopulate;
284 SymbolLayerVisitor::SymbolLayerVisitor( SymbolLayerVisitor::SymbolLayerCallback callback ) :
285 mCallback( callback )
297 void SymbolLayerVisitor::visitSymbol(
const QgsSymbol *symbol,
const QString &leafIdentifier, QVector<int> rootPath )
301 QVector<int> indexPath = rootPath;
302 indexPath.push_back( idx );
306 mCallback( sl,
QgsSymbolLayerId( mSymbolKey + leafIdentifier, indexPath ) );
311 visitSymbol( subSymbol, leafIdentifier, indexPath );
320 if ( symbolEntity->symbol() )
321 visitSymbol( symbolEntity->symbol(), leaf.
identifier, {} );
virtual QStringList subProviders() const
Gets list of sub-providers within the layer's labeling.
virtual void setSettings(QgsPalLayerSettings *settings, const QString &providerId=QString())=0
Set pal settings for a specific provider (takes ownership).
virtual QgsPalLayerSettings settings(const QString &providerId=QString()) const =0
Gets associated label settings.
virtual bool accept(QgsStyleEntityVisitorInterface *visitor) const
Accepts the specified symbology visitor, causing it to visit all symbols associated with the renderer...
Base class for all map layer types.
void triggerRepaint(bool deferredUpdate=false)
Will advise the map canvas (and any other interested party) that this layer requires to be repainted.
Represents an item shown within a QgsMessageBar widget.
Contains settings for how a map layer will be labeled.
void setFormat(const QgsTextFormat &format)
Sets the label text formatting settings, e.g., font settings, buffer settings, etc.
const QgsTextFormat & format() const
Returns the label text formatting settings, e.g., font settings, buffer settings, etc.
static QgsProject * instance()
Returns the QgsProject singleton instance.
Q_INVOKABLE QgsMapLayer * mapLayer(const QString &layerId) const
Retrieve a pointer to a registered layer by layer ID.
void setDirty(bool b=true)
Flag the project as dirty (modified).
QMap< QString, QgsMapLayer * > mapLayers(const bool validOnly=false) const
Returns a map of all registered layers by layer ID.
virtual QgsStyle::StyleEntity type() const =0
Returns the type of style entity.
@ SymbolRule
Rule based symbology or label child rule.
A symbol entity for QgsStyle databases.
We may need stable references to symbol layers, when pointers to symbol layers is not usable (when a ...
QString symbolKey() const
Returns the key associated to the symbol.
Type used to refer to a specific symbol layer in a symbol of a layer.
QgsSymbolLayerId symbolLayerId() const
The symbol layer's id.
QString layerId() const
The referenced vector layer / feature renderer.
virtual QString layerType() const =0
Returns a string that represents this layer type.
virtual QList< QgsSymbolLayerReference > masks() const
Returns masks defined by this symbol layer.
Abstract base class for all rendered symbols.
QgsSymbolLayer * symbolLayer(int layer)
Returns the symbol layer at the specified index.
int symbolLayerCount() const
Returns the total number of symbol layers contained in the symbol.
Container for all settings relating to text rendering.
QgsTextMaskSettings & mask()
Returns a reference to the masking settings.
void setMaskedSymbolLayers(const QList< QgsSymbolLayerReference > &maskedLayers)
Sets the symbol layers that will be masked by this buffer.
QList< QgsSymbolLayerReference > maskedSymbolLayers() const
Returns a list of references to symbol layers that are masked by this buffer.
bool enabled() const
Returns whether the mask is enabled.
static QHash< QString, QHash< QString, QSet< QgsSymbolLayerId > > > labelMasks(const QgsVectorLayer *)
Returns masks defined in labeling options of a layer.
Represents a vector layer which manages a vector based data sets.
const QgsAbstractVectorLayerLabeling * labeling() const
Access to const labeling configuration.
QgsFeatureRenderer * renderer()
Returns the feature renderer used for rendering the features in the layer in 2D map views.
QList< QgsSymbolLayerReference > QgsSymbolLayerReferenceList
Contains information relating to a node (i.e.
QString identifier
A string identifying the node.
QgsStyleEntityVisitorInterface::NodeType type
Node type.
Contains information relating to the style entity currently being visited.
const QgsStyleEntityInterface * entity
Reference to style entity being visited.
QString identifier
A string identifying the style entity.