QgsRuleBasedLabelingModel Class Reference

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

#include <qgsrulebasedlabelingwidget.h>

Inheritance diagram for QgsRuleBasedLabelingModel:

Public Member Functions
	QgsRuleBasedLabelingModel (QgsRuleBasedLabeling::Rule *rootRule, QObject *parent=nullptr)
	constructor
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.
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
void	insertRule (const QModelIndex &parent, int before, QgsRuleBasedLabeling::Rule *newrule)
	Inserts a new rule at the specified position.
QMimeData *	mimeData (const QModelIndexList &indexes) const override
QStringList	mimeTypes () const override
QModelIndex	parent (const QModelIndex &index) const override
	provide parent model index
bool	removeRows (int row, int count, const QModelIndex &parent=QModelIndex()) override
void	removeRule (const QModelIndex &index)
	Removes the rule at the specified position.
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
QgsRuleBasedLabeling::Rule *	ruleForIndex (const QModelIndex &index) const
	Returns the rule at the specified index.
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.
void	updateRule (const QModelIndex &parent, int row)
	Updates the rule at the specified position.
void	willAddRules (const QModelIndex &parent, int count)
	Notify the model that new rules will be added.

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 302 of file qgsrulebasedlabelingwidget.cpp.

Member Function Documentation

columnCount()

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

override

Definition at line 422 of file qgsrulebasedlabelingwidget.cpp.

data()

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

override

Definition at line 321 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 561 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 308 of file qgsrulebasedlabelingwidget.cpp.

headerData()

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

override

Definition at line 400 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 427 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 640 of file qgsrulebasedlabelingwidget.cpp.

mimeData()

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

override

Definition at line 527 of file qgsrulebasedlabelingwidget.cpp.

mimeTypes()

QStringList QgsRuleBasedLabelingModel::mimeTypes ( ) const

override

Definition at line 504 of file qgsrulebasedlabelingwidget.cpp.

parent()

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

override

provide parent model index

Definition at line 438 of file qgsrulebasedlabelingwidget.cpp.

removeRows()

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

override

Definition at line 607 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 412 of file qgsrulebasedlabelingwidget.cpp.

ruleForIndex()

QgsRuleBasedLabeling::Rule * QgsRuleBasedLabelingModel::ruleForIndex

(

const QModelIndex &

index

)

const

Returns the rule at the specified index.

Definition at line 633 of file qgsrulebasedlabelingwidget.cpp.

setData()

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

override

Definition at line 455 of file qgsrulebasedlabelingwidget.cpp.

supportedDropActions()

Qt::DropActions QgsRuleBasedLabelingModel::supportedDropActions ( ) const

override

Definition at line 499 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 650 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 94 of file qgsrulebasedlabelingwidget.h.

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

• /build/qgis-3.99.0+git20250718+f78f5286a64+99sid/src/gui/labeling/qgsrulebasedlabelingwidget.h
• /build/qgis-3.99.0+git20250718+f78f5286a64+99sid/src/gui/labeling/qgsrulebasedlabelingwidget.cpp