Represent settings entry and provides methods for reading and writing settings values. More...

#include <qgssettingsentry.h>

Inheritance diagram for QgsSettingsEntryBase:

[legend]

Public Member Functions
	QgsSettingsEntryBase (const QString &key, const QString &section, const QVariant &defaultValue=QVariant(), const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions())
	Constructor for QgsSettingsEntryBase. More...

	QgsSettingsEntryBase (const QString &key, QgsSettingsTreeNode *parentTreeElement, const QVariant &defaultValue=QVariant(), const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions()) SIP_THROW(QgsSettingsException)
	Constructor for QgsSettingsEntryBase. More...

virtual	~QgsSettingsEntryBase ()
	Destructor for QgsSettingsEntryBase. More...

bool	copyValueFromKey (const QString &key, bool removeSettingAtKey=false) const
	Copies the value from a given key if it exists. More...

bool	copyValueFromKey (const QString &key, const QStringList &dynamicKeyPartList, bool removeSettingAtKey=false) const
	Copies the value from a given key if it exists. More...

void	copyValueToKey (const QString &key, const QStringList &dynamicKeyPartList=QStringList()) const
	Copies the settings to the given key. More...

QVariant	defaultValueAsVariant () const
	Returns settings default value. More...

QString	definitionKey () const
	Returns settings entry defining key. More...

QString	description () const
	Returns the settings entry description. More...

bool	exists (const QString &dynamicKeyPart=QString()) const
	Returns `true` if the settings is contained in the underlying QSettings. More...

bool	exists (const QStringList &dynamicKeyPartList) const
	Returns `true` if the settings is contained in the underlying QSettings. More...

QVariant	formerValueAsVariant (const QString &dynamicKeyPart) const
	Returns the former value of the settings if it has been enabled in the options. More...

QVariant	formerValueAsVariant (const QStringList &dynamicKeyPartList) const
	Returns the former value of the settings if it has been enabled in the options Returns the current value (or default) if there is no former value. More...

bool	hasDynamicKey () const
	Returns `true` if a part of the settings key is built dynamically. More...

QString	key (const QString &dynamicKeyPart=QString()) const
	Returns settings entry key. More...

QString	key (const QStringList &dynamicKeyPartList) const
	Returns settings entry key. More...

bool	keyIsValid (const QString &key) const
	Returns `true` if the provided key match the settings entry. More...

Qgis::SettingsOptions	options () const
	Returns the settings options. More...

Qgis::SettingsOrigin	origin (const QStringList &dynamicKeyPartList) const
	Returns the origin of the setting if it exists. More...

QgsSettingsTreeNode *	parent () const
	Returns the parent tree element. More...

void	remove (const QString &dynamicKeyPart=QString()) const
	Removes the settings from the underlying QSettings. More...

void	remove (const QStringList &dynamicKeyPartList) const
	Removes the settings from the underlying QSettings. More...

Q_DECL_DEPRECATED QgsSettings::Section	section () const
	Returns settings section. More...

virtual Qgis::SettingsType	settingsType () const
	Returns the settings entry type. More...

virtual Q_DECL_DEPRECATED bool	setVariantValue (const QVariant &value, const QString &dynamicKeyPart=QString()) const
	Set settings value. More...

virtual Q_DECL_DEPRECATED bool	setVariantValue (const QVariant &value, const QStringList &dynamicKeyPartList) const
	Set settings value. More...

Q_DECL_DEPRECATED QVariant	valueAsVariant (const QString &dynamicKeyPart, bool useDefaultValueOverride, const QVariant &defaultValueOverride) const
	Returns settings value with an optional default value override. More...

QVariant	valueAsVariant (const QString &dynamicKeyPart=QString()) const
	Returns settings value with. More...

QVariant	valueAsVariant (const QStringList &dynamicKeyPartList) const
	Returns settings value with. More...

Q_DECL_DEPRECATED QVariant	valueAsVariant (const QStringList &dynamicKeyPartList, bool useDefaultValueOverride, const QVariant &defaultValueOverride) const
	Returns settings value with an optional default value override. More...

QVariant	valueAsVariantWithDefaultOverride (const QVariant &defaultValueOverride, const QString &dynamicKeyPart=QString()) const
	Returns settings value with a defaultValueOverride. More...

QVariant	valueAsVariantWithDefaultOverride (const QVariant &defaultValueOverride, const QStringList &dynamicKeyPartList) const
	Returns settings value. More...

Static Public Member Functions
static QStringList	dynamicKeyPartToList (const QString &dynamicKeyPart)
	Transforms a dynamic key part string to list. More...

Protected Member Functions
bool	setVariantValuePrivate (const QVariant &value, const QStringList &dynamicKeyPartList=QStringList()) const
	Sets the settings value with a variant value. More...

Detailed Description

Represent settings entry and provides methods for reading and writing settings values.

Different subclasses are provided for different settings types with metainformations to validate set values and provide more accurate settings description for the gui.

Since: QGIS 3.20

Definition at line 41 of file qgssettingsentry.h.

Constructor & Destructor Documentation

◆ QgsSettingsEntryBase() [1/2]

QgsSettingsEntryBase::QgsSettingsEntryBase	(	const QString &	key,
		const QString &	section,
		const QVariant &	defaultValue = `QVariant()`,
		const QString &	description = `QString()`,
		Qgis::SettingsOptions	options = `Qgis::SettingsOptions()`
	)

inline

Constructor for QgsSettingsEntryBase.

key specifies the key of the settings.
section specifies the section.
defaultValue specifies the default value for the settings entry.
description specifies a description for the settings entry.
options specifies the options for the settings entry.

Definition at line 86 of file qgssettingsentry.h.

◆ QgsSettingsEntryBase() [2/2]

QgsSettingsEntryBase::QgsSettingsEntryBase	(	const QString &	key,
		QgsSettingsTreeNode *	parentTreeElement,
		const QVariant &	defaultValue = `QVariant()`,
		const QString &	description = `QString()`,
		Qgis::SettingsOptions	options = `Qgis::SettingsOptions()`
	)

Constructor for QgsSettingsEntryBase.

key specifies the key of the settings.
parent specifies the parent in the tree of settings.
defaultValue specifies the default value for the settings entry.
description specifies a description for the settings entry.
options specifies the options for the settings entry.
Exceptions

QgsSettingsException if the number of given parent named items doesn't match the complete key definition

Definition at line 23 of file qgssettingsentry.cpp.

◆ ~QgsSettingsEntryBase()

QgsSettingsEntryBase::~QgsSettingsEntryBase ( )

virtual

Destructor for QgsSettingsEntryBase.

Definition at line 37 of file qgssettingsentry.cpp.

Member Function Documentation

◆ copyValueFromKey() [1/2]

bool QgsSettingsEntryBase::copyValueFromKey	(	const QString &	key,
		bool	removeSettingAtKey = `false`
	)		const

inline

Copies the value from a given key if it exists.

Parameters

key	the key to copy the setting value from.
removeSettingAtKey	if `true`, the setting at the old key will be removed.

Returns: true if the key exists and the setting value could be copied.

Since: QGIS 3.30

Definition at line 291 of file qgssettingsentry.h.

◆ copyValueFromKey() [2/2]

bool QgsSettingsEntryBase::copyValueFromKey	(	const QString &	key,
		const QStringList &	dynamicKeyPartList,
		bool	removeSettingAtKey = `false`
	)		const

Copies the value from a given key if it exists.

Parameters

key	the key to copy the setting value from.
dynamicKeyPartList	is the optional dynamic key part to determine the key. It must be the same for origin and destination keys.
removeSettingAtKey	if `true`, the setting at the old key will be removed.

Returns: true if the key exists and the setting value could be copied.

Since: QGIS 3.30

Definition at line 226 of file qgssettingsentry.cpp.

◆ copyValueToKey()

void QgsSettingsEntryBase::copyValueToKey	(	const QString &	key,
		const QStringList &	dynamicKeyPartList = `QStringList()`
	)		const

Copies the settings to the given key.

Parameters

key	the key to copy the setting value to.
dynamicKeyPartList	is the optional dynamic key part to determine the key. It must be the same for origin and destination keys.

Since: QGIS 3.30

Definition at line 246 of file qgssettingsentry.cpp.

◆ defaultValueAsVariant()

QVariant QgsSettingsEntryBase::defaultValueAsVariant ( ) const

Returns settings default value.

Definition at line 203 of file qgssettingsentry.cpp.

◆ definitionKey()

QString QgsSettingsEntryBase::definitionKey ( ) const

Returns settings entry defining key.

For dynamic settings it return the key with the placeholder for dynamic part included. For non-dynamic settings returns the same as key().

Definition at line 96 of file qgssettingsentry.cpp.

◆ description()

QString QgsSettingsEntryBase::description ( ) const

Returns the settings entry description.

Definition at line 208 of file qgssettingsentry.cpp.

◆ dynamicKeyPartToList()

QStringList QgsSettingsEntryBase::dynamicKeyPartToList ( const QString & dynamicKeyPart )

static

Transforms a dynamic key part string to list.

Since: QGIS 3.26

Definition at line 159 of file qgssettingsentry.cpp.

◆ exists() [1/2]

bool QgsSettingsEntryBase::exists ( const QString & dynamicKeyPart = QString() ) const

Returns true if the settings is contained in the underlying QSettings.

dynamicKeyPart specifies the dynamic part of the settings key.

Definition at line 107 of file qgssettingsentry.cpp.

◆ exists() [2/2]

bool QgsSettingsEntryBase::exists ( const QStringList & dynamicKeyPartList ) const

Returns true if the settings is contained in the underlying QSettings.

dynamicKeyParts specifies the list of dynamic parts of the settings key.

Definition at line 112 of file qgssettingsentry.cpp.

◆ formerValueAsVariant() [1/2]

QVariant QgsSettingsEntryBase::formerValueAsVariant ( const QString & dynamicKeyPart ) const

Returns the former value of the settings if it has been enabled in the options.

Returns the current value (or default) if there is no former value.

Since: QGIS 3.26

Definition at line 213 of file qgssettingsentry.cpp.

◆ formerValueAsVariant() [2/2]

QVariant QgsSettingsEntryBase::formerValueAsVariant ( const QStringList & dynamicKeyPartList ) const

Returns the former value of the settings if it has been enabled in the options Returns the current value (or default) if there is no former value.

Since: QGIS 3.26

Definition at line 218 of file qgssettingsentry.cpp.

◆ hasDynamicKey()

bool QgsSettingsEntryBase::hasDynamicKey ( ) const

Returns true if a part of the settings key is built dynamically.

Definition at line 101 of file qgssettingsentry.cpp.

◆ key() [1/2]

QString QgsSettingsEntryBase::key ( const QString & dynamicKeyPart = QString() ) const

Returns settings entry key.

dynamicKeyPart specifies the dynamic part of the settings key.

Definition at line 44 of file qgssettingsentry.cpp.

◆ key() [2/2]

QString QgsSettingsEntryBase::key ( const QStringList & dynamicKeyPartList ) const

Returns settings entry key.

dynamicKeyParts specifies the list of dynamic parts of the settings key.

Definition at line 49 of file qgssettingsentry.cpp.

◆ keyIsValid()

bool QgsSettingsEntryBase::keyIsValid ( const QString & key ) const

Returns true if the provided key match the settings entry.

This is useful for settings with dynamic keys. For example this permits one to check that the settings key "NewsFeed/httpsfeedqgisorg/27/content" is valid for the settings entry defined with the key "NewsFeed/%1/%2/content"

key to check

Definition at line 81 of file qgssettingsentry.cpp.

◆ options()

Qgis::SettingsOptions QgsSettingsEntryBase::options ( ) const

inline

Returns the settings options.

Since: QGIS 3.26

Definition at line 159 of file qgssettingsentry.h.

◆ origin()

Qgis::SettingsOrigin QgsSettingsEntryBase::origin ( const QStringList & dynamicKeyPartList ) const

Returns the origin of the setting if it exists.

Note: it will return Qgis::SettingsOrigin::Any if the key doesn't exist

Since: QGIS 3.30

Definition at line 117 of file qgssettingsentry.cpp.

◆ parent()

QgsSettingsTreeNode * QgsSettingsEntryBase::parent ( ) const

inline

Returns the parent tree element.

Since: QGIS 3.30

Definition at line 315 of file qgssettingsentry.h.

◆ remove() [1/2]

void QgsSettingsEntryBase::remove ( const QString & dynamicKeyPart = QString() ) const

Removes the settings from the underlying QSettings.

dynamicKeyPart specifies the dynamic part of the settings key.

Definition at line 122 of file qgssettingsentry.cpp.

◆ remove() [2/2]

void QgsSettingsEntryBase::remove ( const QStringList & dynamicKeyPartList ) const

Removes the settings from the underlying QSettings.

dynamicKeyParts specifies the list of dynamic parts of the settings key.

Definition at line 127 of file qgssettingsentry.cpp.

◆ section()

Q_DECL_DEPRECATED QgsSettings::Section QgsSettingsEntryBase::section ( ) const

inline

Returns settings section.

The settings section of the parent group is returned if available.

Deprecated:: since QGIS 3.26 the key is entirely self-defined

Definition at line 200 of file qgssettingsentry.h.

◆ settingsType()

virtual Qgis::SettingsType QgsSettingsEntryBase::settingsType ( ) const

inlinevirtual

Returns the settings entry type.

Definition at line 262 of file qgssettingsentry.h.

◆ setVariantValue() [1/2]

bool QgsSettingsEntryBase::setVariantValue	(	const QVariant &	value,
		const QString &	dynamicKeyPart = `QString()`
	)		const

virtual

Set settings value.

The value to set.

dynamicKeyPart specifies the dynamic part of the settings key.
Deprecated:
since QGIS 3.26 use setVariantValuePrivate or an implementation setValue instead

Definition at line 132 of file qgssettingsentry.cpp.

◆ setVariantValue() [2/2]

bool QgsSettingsEntryBase::setVariantValue	(	const QVariant &	value,
		const QStringList &	dynamicKeyPartList
	)		const

virtual

Set settings value.

The value to set.

dynamicKeyParts specifies the list of dynamic parts of the settings key.
Deprecated:
since QGIS 3.26 use setVariantValuePrivate or an implementation setValue instead

Definition at line 137 of file qgssettingsentry.cpp.

◆ setVariantValuePrivate()

bool QgsSettingsEntryBase::setVariantValuePrivate	(	const QVariant &	value,
		const QStringList &	dynamicKeyPartList = `QStringList()`
	)		const

protected

Sets the settings value with a variant value.

This should be called from any implementation as it takes care of actually calling QSettings

Since: QGIS 3.26

Definition at line 142 of file qgssettingsentry.cpp.

◆ valueAsVariant() [1/4]

QVariant QgsSettingsEntryBase::valueAsVariant	(	const QString &	dynamicKeyPart,
		bool	useDefaultValueOverride,
		const QVariant &	defaultValueOverride
	)		const

Returns settings value with an optional default value override.

Deprecated:: since QGIS 3.26 use valueAsVariantWithDefaultOverride instead

Definition at line 177 of file qgssettingsentry.cpp.

◆ valueAsVariant() [2/4]

QVariant QgsSettingsEntryBase::valueAsVariant ( const QString & dynamicKeyPart = QString() ) const

Returns settings value with.

dynamicKeyPart specifying the dynamic part of the settings key.

Definition at line 167 of file qgssettingsentry.cpp.

◆ valueAsVariant() [3/4]

QVariant QgsSettingsEntryBase::valueAsVariant ( const QStringList & dynamicKeyPartList ) const

Returns settings value with.

dynamicKeyPart specifying the dynamic part of the settings key.

Definition at line 172 of file qgssettingsentry.cpp.

◆ valueAsVariant() [4/4]

QVariant QgsSettingsEntryBase::valueAsVariant	(	const QStringList &	dynamicKeyPartList,
		bool	useDefaultValueOverride,
		const QVariant &	defaultValueOverride
	)		const

Returns settings value with an optional default value override.

Deprecated:: since QGIS 3.26 use valueAsVariantWithDefaultOverride instead

Definition at line 184 of file qgssettingsentry.cpp.

◆ valueAsVariantWithDefaultOverride() [1/2]

QVariant QgsSettingsEntryBase::valueAsVariantWithDefaultOverride	(	const QVariant &	defaultValueOverride,
		const QString &	dynamicKeyPart = `QString()`
	)		const

Returns settings value with a defaultValueOverride.

Since: QGIS 3.26

Definition at line 192 of file qgssettingsentry.cpp.

◆ valueAsVariantWithDefaultOverride() [2/2]

QVariant QgsSettingsEntryBase::valueAsVariantWithDefaultOverride	(	const QVariant &	defaultValueOverride,
		const QStringList &	dynamicKeyPartList
	)		const

Returns settings value.

dynamicKeyPartList specifies the list of dynamic parts of the settings key.
defaultValueOverride if valid is used instead of the normal default value.
Since
QGIS 3.26

Definition at line 197 of file qgssettingsentry.cpp.

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

/build/qgis-3.29.0+git20230126+19d7edcfed+99sid/src/core/settings/qgssettingsentry.h
/build/qgis-3.29.0+git20230126+19d7edcfed+99sid/src/core/settings/qgssettingsentry.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ QgsSettingsEntryBase() [1/2]

◆ QgsSettingsEntryBase() [2/2]

◆ ~QgsSettingsEntryBase()

Member Function Documentation

◆ copyValueFromKey() [1/2]

◆ copyValueFromKey() [2/2]

◆ copyValueToKey()

◆ defaultValueAsVariant()

◆ definitionKey()

◆ description()

◆ dynamicKeyPartToList()

◆ exists() [1/2]

◆ exists() [2/2]

◆ formerValueAsVariant() [1/2]

◆ formerValueAsVariant() [2/2]

◆ hasDynamicKey()

◆ key() [1/2]

◆ key() [2/2]

◆ keyIsValid()

◆ options()

◆ origin()

◆ parent()

◆ remove() [1/2]

◆ remove() [2/2]

◆ section()

◆ settingsType()

◆ setVariantValue() [1/2]

◆ setVariantValue() [2/2]

◆ setVariantValuePrivate()

◆ valueAsVariant() [1/4]

◆ valueAsVariant() [2/4]

◆ valueAsVariant() [3/4]

◆ valueAsVariant() [4/4]

◆ valueAsVariantWithDefaultOverride() [1/2]

◆ valueAsVariantWithDefaultOverride() [2/2]