Stores and manages the snap guides used by a layout. More...

#include <qgslayoutguidecollection.h>

Inheritance diagram for QgsLayoutGuideCollection:

Public Types
enum	Roles { OrientationRole = Qt::UserRole, PositionRole, UnitsRole, PageRole, LayoutPositionRole }
	Model roles. More...

Public Member Functions
	QgsLayoutGuideCollection (QgsLayout layout, QgsLayoutPageCollection pageCollection)
	Constructor for QgsLayoutGuideCollection belonging to the specified layout, and linked to the specified pageCollection. More...

	~QgsLayoutGuideCollection () override

void	addGuide (QgsLayoutGuide *guide)
	Adds a guide to the collection. More...

void	applyGuidesToAllOtherPages (int sourcePage)
	Resets all other pages' guides to match the guides from the specified sourcePage. More...

void	clear ()
	Removes all guides from the collection. More...

int	columnCount (const QModelIndex &) const override

QVariant	data (const QModelIndex &index, int role) const override

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

QList< QgsLayoutGuide * >	guides ()
	Returns a list of all guides contained in the collection. More...

QList< QgsLayoutGuide * >	guides (Qt::Orientation orientation, int page=-1)
	Returns the list of guides contained in the collection with the specified orientation and on a matching page. More...

QList< QgsLayoutGuide * >	guidesOnPage (int page)
	Returns the list of guides contained on a matching page. More...

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

QgsLayout *	layout () override
	Returns the layout the object belongs to. More...

bool	readXml (const QDomElement &collectionElement, const QDomDocument &document, const QgsReadWriteContext &context) override
	Sets the collection's state from a DOM element. More...

void	removeGuide (QgsLayoutGuide *guide)
	Removes the specified guide, and deletes it. More...

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

int	rowCount (const QModelIndex &) const override

bool	setData (const QModelIndex &index, const QVariant &value, int role) override

void	setGuideLayoutPosition (QgsLayoutGuide *guide, double position)
	Sets the absolute position (in layout coordinates) for guide within the layout. More...

void	setVisible (bool visible)
	Sets whether the guide lines should be visible. More...

QString	stringType () const override
	Returns the object type as a string. More...

void	update ()
	Updates the position (and visibility) of all guide line items. More...

bool	visible () const
	Returns true if the guide lines should be drawn. More...

bool	writeXml (QDomElement &parentElement, QDomDocument &document, const QgsReadWriteContext &context) const override
	Stores the collection's state in a DOM element. More...

Public Member Functions inherited from QgsLayoutSerializableObject
QgsAbstractLayoutUndoCommand *	createCommand (const QString &text, int id, QUndoCommand *parent=nullptr) override
	Creates a new layout undo command with the specified text and parent. More...

Public Member Functions inherited from QgsLayoutUndoObjectInterface
virtual	~QgsLayoutUndoObjectInterface ()=default
	Destructor for QgsLayoutUndoObjectInterface. More...

Friends
class	QgsLayoutGuideCollectionUndoCommand

Detailed Description

Stores and manages the snap guides used by a layout.

Since: QGIS 3.0

Definition at line 168 of file qgslayoutguidecollection.h.

Member Enumeration Documentation

enum QgsLayoutGuideCollection::Roles

Model roles.

Enumerator
OrientationRole	Guide orientation role.
PositionRole	Guide position role.
UnitsRole	Guide position units role.
PageRole	Guide page role.
LayoutPositionRole	Guide position in layout coordinates.

Definition at line 176 of file qgslayoutguidecollection.h.

Constructor & Destructor Documentation

QgsLayoutGuideCollection::QgsLayoutGuideCollection	(	QgsLayout *	layout,
		QgsLayoutPageCollection *	pageCollection
	)

Constructor for QgsLayoutGuideCollection belonging to the specified layout, and linked to the specified pageCollection.

Definition at line 192 of file qgslayoutguidecollection.cpp.

QgsLayoutGuideCollection::~QgsLayoutGuideCollection ( )

override

Definition at line 203 of file qgslayoutguidecollection.cpp.

Member Function Documentation

void QgsLayoutGuideCollection::addGuide ( QgsLayoutGuide * guide )

Adds a guide to the collection.

Ownership of the guide is transferred to the collection, and the guide will automatically have the correct layout set.

Definition at line 385 of file qgslayoutguidecollection.cpp.

void QgsLayoutGuideCollection::applyGuidesToAllOtherPages ( int sourcePage )

Resets all other pages' guides to match the guides from the specified sourcePage.

Definition at line 432 of file qgslayoutguidecollection.cpp.

void QgsLayoutGuideCollection::clear ( )

Removes all guides from the collection.

See also: removeGuide()

Definition at line 422 of file qgslayoutguidecollection.cpp.

int QgsLayoutGuideCollection::columnCount ( const QModelIndex & parent ) const

override

Definition at line 218 of file qgslayoutguidecollection.cpp.

QVariant QgsLayoutGuideCollection::data	(	const QModelIndex &	index,
		int	role
	)		const

override

Definition at line 226 of file qgslayoutguidecollection.cpp.

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

override

Definition at line 349 of file qgslayoutguidecollection.cpp.

QList< QgsLayoutGuide * > QgsLayoutGuideCollection::guides ( )

Returns a list of all guides contained in the collection.

Definition at line 473 of file qgslayoutguidecollection.cpp.

QList< QgsLayoutGuide * > QgsLayoutGuideCollection::guides	(	Qt::Orientation	orientation,
		int	page = `-1`
	)

Returns the list of guides contained in the collection with the specified orientation and on a matching page.

If page is -1, guides from all pages will be returned.

See also: guidesOnPage()

Definition at line 478 of file qgslayoutguidecollection.cpp.

QList< QgsLayoutGuide * > QgsLayoutGuideCollection::guidesOnPage ( int page )

Returns the list of guides contained on a matching page.

See also: guides()

Definition at line 490 of file qgslayoutguidecollection.cpp.

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

override

Definition at line 356 of file qgslayoutguidecollection.cpp.

QgsLayout * QgsLayoutGuideCollection::layout ( )

overridevirtual

Returns the layout the object belongs to.

Implements QgsLayoutSerializableObject.

Definition at line 208 of file qgslayoutguidecollection.cpp.

bool QgsLayoutGuideCollection::readXml	(	const QDomElement &	collectionElement,
		const QDomDocument &	document,
		const QgsReadWriteContext &	context
	)

overridevirtual

Sets the collection's state from a DOM element.

collectionElement is the DOM node corresponding to the collection.

See also: writeXml()

Implements QgsLayoutSerializableObject.

Definition at line 542 of file qgslayoutguidecollection.cpp.

void QgsLayoutGuideCollection::removeGuide ( QgsLayoutGuide * guide )

Removes the specified guide, and deletes it.

See also: clear()

Definition at line 404 of file qgslayoutguidecollection.cpp.

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

override

Definition at line 367 of file qgslayoutguidecollection.cpp.

int QgsLayoutGuideCollection::rowCount ( const QModelIndex & ) const

override

Definition at line 213 of file qgslayoutguidecollection.cpp.

bool QgsLayoutGuideCollection::setData	(	const QModelIndex &	index,
		const QVariant &	value,
		int	role
	)

override

Definition at line 266 of file qgslayoutguidecollection.cpp.

void QgsLayoutGuideCollection::setGuideLayoutPosition	(	QgsLayoutGuide *	guide,
		double	position
	)

Sets the absolute position (in layout coordinates) for guide within the layout.

Definition at line 413 of file qgslayoutguidecollection.cpp.

void QgsLayoutGuideCollection::setVisible ( bool visible )

Sets whether the guide lines should be visible.

See also: visible()

Definition at line 506 of file qgslayoutguidecollection.cpp.

QString QgsLayoutGuideCollection::stringType ( ) const

inlineoverridevirtual

Returns the object type as a string.

This string must be a unique, single word, character only representation of the item type, eg "LayoutScaleBar"

Implements QgsLayoutSerializableObject.

Definition at line 192 of file qgslayoutguidecollection.h.

void QgsLayoutGuideCollection::update ( )

Updates the position (and visibility) of all guide line items.

Definition at line 465 of file qgslayoutguidecollection.cpp.

bool QgsLayoutGuideCollection::visible ( ) const

Returns true if the guide lines should be drawn.

See also: setVisible()

Definition at line 501 of file qgslayoutguidecollection.cpp.

bool QgsLayoutGuideCollection::writeXml	(	QDomElement &	parentElement,
		QDomDocument &	document,
		const QgsReadWriteContext &	context
	)		const

overridevirtual

Stores the collection's state in a DOM element.

The parentElement should refer to the parent layout's DOM element.

See also: readXml()

Implements QgsLayoutSerializableObject.

Definition at line 524 of file qgslayoutguidecollection.cpp.

Friends And Related Function Documentation

friend class QgsLayoutGuideCollectionUndoCommand

friend

Definition at line 302 of file qgslayoutguidecollection.h.

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

/build/qgis-3.4.15+24xenial/src/core/layout/qgslayoutguidecollection.h
/build/qgis-3.4.15+24xenial/src/core/layout/qgslayoutguidecollection.cpp

Public Types

Public Member Functions

Friends

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation