QgsQuickValueRelationListModel Class Reference

#include <qgsquickvaluerelationlistmodel.h>

Inheritance diagram for QgsQuickValueRelationListModel:

Public Member Functions
	QgsQuickValueRelationListModel (QObject *parent=nullptr)
	Constructs an empty list model. More...
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override
Q_INVOKABLE QVariant	keyForRow (int row) const
	Returns key for the given rown number (invalid variant if outside of the valid range) More...
Q_INVOKABLE void	populate (const QVariantMap &config, const QgsFeature &formFeature=QgsFeature())
	Populates the model from vector layer's widget configuration. More...
int	rowCount (const QModelIndex &) const override
Q_INVOKABLE int	rowForKey (const QVariant &key) const
	Returns row number. More...

Detailed Description

List model for combo box in Value Relation widget. The model keeps a list of key-value pairs fetched from a vector layer. "Values" are the human readable descriptions (QString), "keys" are unique identifiers of items (QVariant).

Note

QML Type: ValueRelationListModel

Since

QGIS 3.14

Definition at line 35 of file qgsquickvaluerelationlistmodel.h.

Constructor & Destructor Documentation

QgsQuickValueRelationListModel()

QgsQuickValueRelationListModel::QgsQuickValueRelationListModel

(

QObject *

parent = nullptr

)

Constructs an empty list model.

Definition at line 21 of file qgsquickvaluerelationlistmodel.cpp.

Member Function Documentation

data()

QVariant QgsQuickValueRelationListModel::data ( const QModelIndex &  index, int  role = Qt::DisplayRole  ) const

override

Definition at line 59 of file qgsquickvaluerelationlistmodel.cpp.

keyForRow()

QVariant QgsQuickValueRelationListModel::keyForRow

(

int

row

)

const

Returns key for the given rown number (invalid variant if outside of the valid range)

Definition at line 33 of file qgsquickvaluerelationlistmodel.cpp.

populate()

void QgsQuickValueRelationListModel::populate	(	const QVariantMap &	config,
		const QgsFeature &	formFeature = QgsFeature()
	)

Populates the model from vector layer's widget configuration.

Definition at line 26 of file qgsquickvaluerelationlistmodel.cpp.

rowCount()

int QgsQuickValueRelationListModel::rowCount ( const QModelIndex &  ) const

override

Definition at line 54 of file qgsquickvaluerelationlistmodel.cpp.

rowForKey()

int QgsQuickValueRelationListModel::rowForKey

(

const QVariant &

key

)

const

Returns row number.

Definition at line 43 of file qgsquickvaluerelationlistmodel.cpp.

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

• /build/qgis-3.14.0+99unstable/src/quickgui/qgsquickvaluerelationlistmodel.h
• /build/qgis-3.14.0+99unstable/src/quickgui/qgsquickvaluerelationlistmodel.cpp