QGIS API Documentation
3.16.0-Hannover (43b64b13f3)
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16 #ifndef QGSVALUERELATIONFIELDKIT_H
17 #define QGSVALUERELATIONFIELDKIT_H
19 #include "qgis_core.h"
42 ValueRelationItem(
const QVariant &key,
const QString &value,
const QString &description = QString() )
45 , description( description )
63 QString
id()
const override;
64 QString
representValue(
QgsVectorLayer *layer,
int fieldIndex,
const QVariantMap &config,
const QVariant &cache,
const QVariant &value )
const override;
66 QVariant
sortValue(
QgsVectorLayer *layer,
int fieldIndex,
const QVariantMap &config,
const QVariant &cache,
const QVariant &value )
const override;
74 static QStringList valueToStringList(
const QVariant &value );
97 static bool expressionRequiresFormScope(
const QString &expression );
106 static QSet<QString> expressionFormAttributes(
const QString &expression );
115 static QSet<QString> expressionFormVariables(
const QString &expression );
125 static bool expressionRequiresParentFormScope(
const QString &expression );
134 static QSet<QString> expressionParentFormAttributes(
const QString &expression );
143 static QSet<QString> expressionParentFormVariables(
const QString &expression );
168 #endif // QGSVALUERELATIONFIELDKIT_H
A context for field formatter containing information like the project.
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
Q_DECLARE_METATYPE(QgsMeshTimeSettings)
Represents a vector layer which manages a vector based data sets.
The feature class encapsulates a single feature including its id, geometry and a list of field/values...