QGIS API Documentation: QgsRuleBasedLabelingModel Class Reference

QGIS API Documentation 3.16.0-Hannover (43b64b13f3)

Model for rule based rendering rules view. More...

#include <qgsrulebasedlabelingwidget.h>

Inheritance diagram for QgsRuleBasedLabelingModel:

Inheritance graph

[legend]

Public Member Functions
	QgsRuleBasedLabelingModel (QgsRuleBasedLabeling::Rule rootRule, QObject parent=nullptr)
	constructor More...

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 ()
	Notify the model that one is done inserting new rules. More...

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
	provide model index for parent's child item More...

void	insertRule (const QModelIndex &parent, int before, QgsRuleBasedLabeling::Rule *newrule)
	Inserts a new rule at the specified position. More...

QMimeData *	mimeData (const QModelIndexList &indexes) const override

QStringList	mimeTypes () const override

QModelIndex	parent (const QModelIndex &index) const override
	provide parent model index More...

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

void	removeRule (const QModelIndex &index)
	Removes the rule at the specified position. More...

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

QgsRuleBasedLabeling::Rule *	ruleForIndex (const QModelIndex &index) const
	Returns the rule at the specified index. More...

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

Qt::DropActions	supportedDropActions () const override

void	updateRule (const QModelIndex &index)
	Update rule and all its descendants. More...

void	updateRule (const QModelIndex &parent, int row)
	Updates the rule at the specified position. More...

void	willAddRules (const QModelIndex &parent, int count)
	Notify the model that new rules will be added. More...

Protected Attributes
QgsRuleBasedLabeling::Rule *	mRootRule = nullptr

Detailed Description

Model for rule based rendering rules view.

Note: This class is not a part of public API

Since: QGIS 3.14

Definition at line 41 of file qgsrulebasedlabelingwidget.h.

Constructor & Destructor Documentation

◆ QgsRuleBasedLabelingModel()

QgsRuleBasedLabelingModel::QgsRuleBasedLabelingModel	(	QgsRuleBasedLabeling::Rule *	rootRule,
		QObject *	parent = `nullptr`
	)

constructor

Definition at line 240 of file qgsrulebasedlabelingwidget.cpp.

Member Function Documentation

◆ columnCount()

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

override

Definition at line 362 of file qgsrulebasedlabelingwidget.cpp.

◆ data()

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

override

Definition at line 261 of file qgsrulebasedlabelingwidget.cpp.

◆ dropMimeData()

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

override

Definition at line 501 of file qgsrulebasedlabelingwidget.cpp.

◆ finishedAddingRules()

void QgsRuleBasedLabelingModel::finishedAddingRules ( )

Notify the model that one is done inserting new rules.

See also: willAddRules()

◆ flags()

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

override

Definition at line 246 of file qgsrulebasedlabelingwidget.cpp.

◆ headerData()

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

override

Definition at line 340 of file qgsrulebasedlabelingwidget.cpp.

◆ index()

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

override

provide model index for parent's child item

Definition at line 367 of file qgsrulebasedlabelingwidget.cpp.

◆ insertRule()

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

Inserts a new rule at the specified position.

Definition at line 580 of file qgsrulebasedlabelingwidget.cpp.

◆ mimeData()

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

override

Definition at line 467 of file qgsrulebasedlabelingwidget.cpp.

◆ mimeTypes()

QStringList QgsRuleBasedLabelingModel::mimeTypes ( ) const

override

Definition at line 444 of file qgsrulebasedlabelingwidget.cpp.

◆ parent()

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

override

provide parent model index

Definition at line 378 of file qgsrulebasedlabelingwidget.cpp.

◆ removeRows()

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

override

Definition at line 547 of file qgsrulebasedlabelingwidget.cpp.

◆ removeRule()

void QgsRuleBasedLabelingModel::removeRule ( const QModelIndex & index )

Removes the rule at the specified position.

◆ rowCount()

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

override

Definition at line 352 of file qgsrulebasedlabelingwidget.cpp.

◆ ruleForIndex()

QgsRuleBasedLabeling::Rule * QgsRuleBasedLabelingModel::ruleForIndex ( const QModelIndex & index ) const

Returns the rule at the specified index.

Definition at line 573 of file qgsrulebasedlabelingwidget.cpp.

◆ setData()

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

override

Definition at line 395 of file qgsrulebasedlabelingwidget.cpp.

◆ supportedDropActions()

Qt::DropActions QgsRuleBasedLabelingModel::supportedDropActions ( ) const

override

Definition at line 439 of file qgsrulebasedlabelingwidget.cpp.

◆ updateRule() [1/2]

void QgsRuleBasedLabelingModel::updateRule ( const QModelIndex & index )

Update rule and all its descendants.

◆ updateRule() [2/2]

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

Updates the rule at the specified position.

Definition at line 590 of file qgsrulebasedlabelingwidget.cpp.

◆ willAddRules()

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

Notify the model that new rules will be added.

Member Data Documentation

◆ mRootRule

QgsRuleBasedLabeling::Rule* QgsRuleBasedLabelingModel::mRootRule = nullptr

protected

Definition at line 95 of file qgsrulebasedlabelingwidget.h.

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

/build/qgis-3.16.0+99unstable/src/gui/labeling/qgsrulebasedlabelingwidget.h
/build/qgis-3.16.0+99unstable/src/gui/labeling/qgsrulebasedlabelingwidget.cpp