QgsCategorizedSymbolUtils< RendererType > Class Template Reference

Helper class to manipulate categories. More...

#include <qgscategorizedsymbolutils.h>

Public Types
using	Categories = RendererType::Categories

Static Public Member Functions
static QString	buildCategorizedFilter (const QString &attributeName, const QgsFields &fields, const Categories &categories)
	Builds a filter expression from categories.

Detailed Description

template<typename RendererType>
class QgsCategorizedSymbolUtils< RendererType >

Helper class to manipulate categories.

Since

QGIS 4.2

Definition at line 32 of file qgscategorizedsymbolutils.h.

Member Typedef Documentation

Categories

template<typename RendererType>

using QgsCategorizedSymbolUtils< RendererType >::Categories = RendererType::Categories

Definition at line 35 of file qgscategorizedsymbolutils.h.

Member Function Documentation

buildCategorizedFilter()

template<typename RendererType>

QString QgsCategorizedSymbolUtils< RendererType >::buildCategorizedFilter ( const QString & attributeName, const QgsFields & fields, const Categories & categories )

inlinestatic

Builds a filter expression from categories.

Generates an expression based on active categories for a field or expression.

Parameters

attributeName	Name of the field or expression.
fields	list of fields
categories	renderer categories

Returns

a filter expression or an empty string if everything is active

Definition at line 48 of file qgscategorizedsymbolutils.h.

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The documentation for this class was generated from the following file:

• /build/qgis-4.1.0+git20260521+64029b4150b+99sid/src/core/symbology/qgscategorizedsymbolutils.h