The class is used as a container of context for various read/write operations on other objects. More...

#include <qgsreadwritecontext.h>

Classes
struct	ReadWriteMessage
	Struct for QgsReadWriteContext error or warning messages. More...

Public Member Functions
	QgsReadWriteContext ()
	Constructor for QgsReadWriteContext.

	~QgsReadWriteContext ()

MAYBE_UNUSED NODISCARD QgsReadWriteContextCategoryPopper	enterCategory (const QString &category, const QString &details=QString()) const
	Push a category to the stack.

const QgsPathResolver &	pathResolver () const
	Returns path resolver for conversion between relative and absolute paths.

const QgsProjectTranslator *	projectTranslator () const
	Returns the project translator.

void	pushMessage (const QString &message, Qgis::MessageLevel level=Qgis::MessageLevel::Warning) const
	Append a message to the context.

void	setPathResolver (const QgsPathResolver &resolver)
	Sets up path resolver for conversion between relative and absolute paths.

void	setProjectTranslator (QgsProjectTranslator *projectTranslator)
	Sets the project translator.

void	setTransformContext (const QgsCoordinateTransformContext &transformContext)
	Sets data coordinate transform context to transformContext.

QList< QgsReadWriteContext::ReadWriteMessage >	takeMessages ()
	Returns the stored messages and remove them.

QgsCoordinateTransformContext	transformContext () const
	Returns data provider coordinate transform context.

Friends
class	QgsReadWriteContextCategoryPopper

Detailed Description

The class is used as a container of context for various read/write operations on other objects.

Definition at line 33 of file qgsreadwritecontext.h.

Constructor & Destructor Documentation

◆ QgsReadWriteContext()

PRIVATE QgsReadWriteContext::QgsReadWriteContext ( )

Constructor for QgsReadWriteContext.

Definition at line 35 of file qgsreadwritecontext.cpp.

◆ ~QgsReadWriteContext()

QgsReadWriteContext::~QgsReadWriteContext ( )

Definition at line 41 of file qgsreadwritecontext.cpp.

Member Function Documentation

◆ enterCategory()

QgsReadWriteContextCategoryPopper QgsReadWriteContext::enterCategory	(	const QString &	category,
		const QString &	details = `QString()`
	)		const

Push a category to the stack.

Note: The return value should always be used so category can be automatically left.; It is not aimed at being used in Python. Instead use the context manager.
context = QgsReadWriteContext()

with QgsReadWriteContext.enterCategory(context, category, details):

# do something

QgsReadWriteContext
The class is used as a container of context for various read/write operations on other objects.
Definition qgsreadwritecontext.h:34

QgsReadWriteContext::enterCategory
MAYBE_UNUSED NODISCARD QgsReadWriteContextCategoryPopper enterCategory(const QString &category, const QString &details=QString()) const
Push a category to the stack.
Definition qgsreadwritecontext.cpp:62

Since: QGIS 3.2

Definition at line 62 of file qgsreadwritecontext.cpp.

◆ pathResolver()

const QgsPathResolver & QgsReadWriteContext::pathResolver ( ) const

Returns path resolver for conversion between relative and absolute paths.

Definition at line 47 of file qgsreadwritecontext.cpp.

◆ projectTranslator()

const QgsProjectTranslator * QgsReadWriteContext::projectTranslator ( ) const

inline

Returns the project translator.

Since: QGIS 3.4

Definition at line 127 of file qgsreadwritecontext.h.

◆ pushMessage()

void QgsReadWriteContext::pushMessage	(	const QString &	message,
		Qgis::MessageLevel	level = `Qgis::MessageLevel::Warning`
	)		const

Append a message to the context.

Since: QGIS 3.2

Definition at line 57 of file qgsreadwritecontext.cpp.

◆ setPathResolver()

void QgsReadWriteContext::setPathResolver ( const QgsPathResolver & resolver )

Sets up path resolver for conversion between relative and absolute paths.

Definition at line 52 of file qgsreadwritecontext.cpp.

◆ setProjectTranslator()

void QgsReadWriteContext::setProjectTranslator ( QgsProjectTranslator * projectTranslator )

Sets the project translator.

It's usually the QgsProject where the function with the context is made and won't be changed anymore.

Since: QGIS 3.4

Definition at line 87 of file qgsreadwritecontext.cpp.

◆ setTransformContext()

void QgsReadWriteContext::setTransformContext ( const QgsCoordinateTransformContext & transformContext )

Sets data coordinate transform context to transformContext.

See also: transformContext()

Since: QGIS 3.8

Definition at line 82 of file qgsreadwritecontext.cpp.

◆ takeMessages()

QList< QgsReadWriteContext::ReadWriteMessage > QgsReadWriteContext::takeMessages ( )

Returns the stored messages and remove them.

Since: QGIS 3.2

Definition at line 93 of file qgsreadwritecontext.cpp.

◆ transformContext()

QgsCoordinateTransformContext QgsReadWriteContext::transformContext ( ) const

Returns data provider coordinate transform context.

See also: setTransformContext()

Since: QGIS 3.8

Definition at line 77 of file qgsreadwritecontext.cpp.

Friends And Related Symbol Documentation

◆ QgsReadWriteContextCategoryPopper

friend class QgsReadWriteContextCategoryPopper

friend

Definition at line 164 of file qgsreadwritecontext.h.

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

/home/fischer/src/qgis-3.38/src/core/qgsreadwritecontext.h
/home/fischer/src/qgis-3.38/src/core/qgsreadwritecontext.cpp

Classes

Public Member Functions

Friends