Tree model for a rule-based renderer's rules. More...

#include <qgsrulebasedrendererwidget.h>

Inheritance diagram for QgsRuleBasedRendererModel:

Public Member Functions
	QgsRuleBasedRendererModel (QgsRuleBasedRenderer renderer, QObject parent, QScreen *screen=nullptr)
	Constructor for QgsRuleBasedRendererModel, for the specified renderer.

void	clearFeatureCounts ()

int	columnCount (const QModelIndex &=QModelIndex()) const override

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

bool	dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override

void	finishedAddingRules ()

Qt::ItemFlags	flags (const QModelIndex &index) const override

QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override

QModelIndex	index (int row, int column, const QModelIndex &parent=QModelIndex()) const override

void	insertRule (const QModelIndex &parent, int before, QgsRuleBasedRenderer::Rule *newrule)

QMimeData *	mimeData (const QModelIndexList &indexes) const override

QStringList	mimeTypes () const override

QModelIndex	parent (const QModelIndex &index) const override

bool	removeRows (int row, int count, const QModelIndex &parent=QModelIndex()) override

void	removeRule (const QModelIndex &index)

int	rowCount (const QModelIndex &parent=QModelIndex()) const override

QgsRuleBasedRenderer::Rule *	ruleForIndex (const QModelIndex &index) const

bool	setData (const QModelIndex &index, const QVariant &value, int role=Qt::EditRole) override

void	setFeatureCounts (const QHash< QgsRuleBasedRenderer::Rule *, QgsRuleBasedRendererCount > &countMap)

void	setSymbol (const QModelIndex &index, QgsSymbol *symbol)
	Sets the symbol for the rule at the specified index.

Qt::DropActions	supportedDropActions () const override

void	updateRule (const QModelIndex &index)

void	updateRule (const QModelIndex &parent, int row)

void	willAddRules (const QModelIndex &parent, int count)

Protected Attributes
QHash< QgsRuleBasedRenderer::Rule *, QgsRuleBasedRendererCount >	mFeatureCountMap

QgsRuleBasedRenderer *	mR = nullptr

QPointer< QScreen >	mScreen

Detailed Description

Tree model for a rule-based renderer's rules.

The model represents rules as a tree:

(invalid) == root node
+--- top level rule
+--- top level rule

Definition at line 51 of file qgsrulebasedrendererwidget.h.

Constructor & Destructor Documentation

◆ QgsRuleBasedRendererModel()

QgsRuleBasedRendererModel::QgsRuleBasedRendererModel	(	QgsRuleBasedRenderer *	renderer,
		QObject *	parent,
		QScreen *	screen = `nullptr`
	)

Constructor for QgsRuleBasedRendererModel, for the specified renderer.

Definition at line 913 of file qgsrulebasedrendererwidget.cpp.

Member Function Documentation

◆ clearFeatureCounts()

void QgsRuleBasedRendererModel::clearFeatureCounts ( )

Definition at line 1369 of file qgsrulebasedrendererwidget.cpp.

◆ columnCount()

int QgsRuleBasedRendererModel::columnCount ( const QModelIndex & = QModelIndex() ) const

override

Definition at line 1075 of file qgsrulebasedrendererwidget.cpp.

◆ data()

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

override

Definition at line 933 of file qgsrulebasedrendererwidget.cpp.

◆ dropMimeData()

bool QgsRuleBasedRendererModel::dropMimeData	(	const QMimeData *	data,
		Qt::DropAction	action,
		int	row,
		int	column,
		const QModelIndex &	parent
	)

override

Definition at line 1214 of file qgsrulebasedrendererwidget.cpp.

◆ finishedAddingRules()

void QgsRuleBasedRendererModel::finishedAddingRules ( )

Definition at line 1358 of file qgsrulebasedrendererwidget.cpp.

◆ flags()

Qt::ItemFlags QgsRuleBasedRendererModel::flags ( const QModelIndex & index ) const

override

Definition at line 920 of file qgsrulebasedrendererwidget.cpp.

◆ headerData()

QVariant QgsRuleBasedRendererModel::headerData	(	int	section,
		Qt::Orientation	orientation,
		int	role = `Qt::DisplayRole`
	)		const

override

Definition at line 1042 of file qgsrulebasedrendererwidget.cpp.

◆ index()

QModelIndex QgsRuleBasedRendererModel::index	(	int	row,
		int	column,
		const QModelIndex &	parent = `QModelIndex()`
	)		const

override

Definition at line 1080 of file qgsrulebasedrendererwidget.cpp.

◆ insertRule()

void QgsRuleBasedRendererModel::insertRule	(	const QModelIndex &	parent,
		int	before,
		QgsRuleBasedRenderer::Rule *	newrule
	)

Definition at line 1304 of file qgsrulebasedrendererwidget.cpp.

◆ mimeData()

QMimeData * QgsRuleBasedRendererModel::mimeData ( const QModelIndexList & indexes ) const

override

Definition at line 1159 of file qgsrulebasedrendererwidget.cpp.

◆ mimeTypes()

QStringList QgsRuleBasedRendererModel::mimeTypes ( ) const

override

Definition at line 1152 of file qgsrulebasedrendererwidget.cpp.

◆ parent()

QModelIndex QgsRuleBasedRendererModel::parent ( const QModelIndex & index ) const

override

Definition at line 1091 of file qgsrulebasedrendererwidget.cpp.

◆ removeRows()

bool QgsRuleBasedRendererModel::removeRows	(	int	row,
		int	count,
		const QModelIndex &	parent = `QModelIndex()`
	)

override

Definition at line 1273 of file qgsrulebasedrendererwidget.cpp.

◆ removeRule()

void QgsRuleBasedRendererModel::removeRule ( const QModelIndex & index )

Definition at line 1332 of file qgsrulebasedrendererwidget.cpp.

◆ rowCount()

int QgsRuleBasedRendererModel::rowCount ( const QModelIndex & parent = QModelIndex() ) const

override

Definition at line 1065 of file qgsrulebasedrendererwidget.cpp.

◆ ruleForIndex()

QgsRuleBasedRenderer::Rule * QgsRuleBasedRendererModel::ruleForIndex ( const QModelIndex & index ) const

Definition at line 1266 of file qgsrulebasedrendererwidget.cpp.

◆ setData()

bool QgsRuleBasedRendererModel::setData	(	const QModelIndex &	index,
		const QVariant &	value,
		int	role = `Qt::EditRole`
	)

override

Definition at line 1108 of file qgsrulebasedrendererwidget.cpp.

◆ setFeatureCounts()

void QgsRuleBasedRendererModel::setFeatureCounts ( const QHash< QgsRuleBasedRenderer::Rule *, QgsRuleBasedRendererCount > & countMap )

Note: not available in Python bindungs

Definition at line 1363 of file qgsrulebasedrendererwidget.cpp.

◆ setSymbol()

void QgsRuleBasedRendererModel::setSymbol	(	const QModelIndex &	index,
		QgsSymbol *	symbol
	)

Sets the symbol for the rule at the specified index.

Ownership of the symbols is transferred to the renderer.

Since: QGIS 3.10

Definition at line 1345 of file qgsrulebasedrendererwidget.cpp.

◆ supportedDropActions()

Qt::DropActions QgsRuleBasedRendererModel::supportedDropActions ( ) const

override

Definition at line 1147 of file qgsrulebasedrendererwidget.cpp.

◆ updateRule() [1/2]

void QgsRuleBasedRendererModel::updateRule ( const QModelIndex & index )

Definition at line 1321 of file qgsrulebasedrendererwidget.cpp.

◆ updateRule() [2/2]

void QgsRuleBasedRendererModel::updateRule	(	const QModelIndex &	parent,
		int	row
	)

Definition at line 1316 of file qgsrulebasedrendererwidget.cpp.

◆ willAddRules()

void QgsRuleBasedRendererModel::willAddRules	(	const QModelIndex &	parent,
		int	count
	)

Definition at line 1352 of file qgsrulebasedrendererwidget.cpp.

Member Data Documentation

◆ mFeatureCountMap

QHash<QgsRuleBasedRenderer::Rule *, QgsRuleBasedRendererCount> QgsRuleBasedRendererModel::mFeatureCountMap

protected

Definition at line 107 of file qgsrulebasedrendererwidget.h.

◆ mR

QgsRuleBasedRenderer* QgsRuleBasedRendererModel::mR = nullptr

protected

Definition at line 106 of file qgsrulebasedrendererwidget.h.

◆ mScreen

QPointer<QScreen> QgsRuleBasedRendererModel::mScreen

protected

Definition at line 108 of file qgsrulebasedrendererwidget.h.

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

/build/qgis-3.43.0+git20250429+58029bba303+99sid/src/gui/symbology/qgsrulebasedrendererwidget.h
/build/qgis-3.43.0+git20250429+58029bba303+99sid/src/gui/symbology/qgsrulebasedrendererwidget.cpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ QgsRuleBasedRendererModel()

Member Function Documentation

◆ clearFeatureCounts()

◆ columnCount()

◆ data()

◆ dropMimeData()

◆ finishedAddingRules()

◆ flags()

◆ headerData()

◆ index()

◆ insertRule()

◆ mimeData()

◆ mimeTypes()

◆ parent()

◆ removeRows()

◆ removeRule()

◆ rowCount()

◆ ruleForIndex()

◆ setData()

◆ setFeatureCounts()

◆ setSymbol()

◆ supportedDropActions()

◆ updateRule() [1/2]

◆ updateRule() [2/2]

◆ willAddRules()

Member Data Documentation

◆ mFeatureCountMap

◆ mR

◆ mScreen