QgsObjectCustomProperties Class Reference

Simple key-value store (keys = strings, values = variants) that supports loading/saving to/from XML in. More...

#include <qgsobjectcustomproperties.h>

Public Member Functions
	QgsObjectCustomProperties ()=default
	Constructor for QgsObjectCustomProperties. More...
bool	contains (const QString &key) const
	Returns true if the properties contains a key with the specified name. More...
QStringList	keys () const
	Returns a list of all stored keys. More...
void	readXml (const QDomNode &parentNode, const QString &keyStartsWith=QString())
	Read store contents from an XML node. More...
void	remove (const QString &key)
	Removes a key (entry) from the store. More...
void	setValue (const QString &key, const QVariant &value)
	Add an entry to the store with the specified key. More...
QVariant	value (const QString &key, const QVariant &defaultValue=QVariant()) const
	Returns the value for the given key. More...
void	writeXml (QDomNode &parentNode, QDomDocument &doc) const
	Writes the store contents to an XML node. More...

Protected Attributes
QMap< QString, QVariant >	mMap

Detailed Description

Simple key-value store (keys = strings, values = variants) that supports loading/saving to/from XML in.

<customproperties> 

element.

Since

QGIS 2.4

Definition at line 35 of file qgsobjectcustomproperties.h.

Constructor & Destructor Documentation

QgsObjectCustomProperties()

QgsObjectCustomProperties::QgsObjectCustomProperties ( )

default

Constructor for QgsObjectCustomProperties.

Member Function Documentation

contains()

bool QgsObjectCustomProperties::contains

(

const QString &

key

)

const

Returns true if the properties contains a key with the specified name.

Since

QGIS 3.14

Definition at line 46 of file qgsobjectcustomproperties.cpp.

keys()

QStringList QgsObjectCustomProperties::keys

(

)

const

Returns a list of all stored keys.

Definition at line 26 of file qgsobjectcustomproperties.cpp.

readXml()

void QgsObjectCustomProperties::readXml	(	const QDomNode &	parentNode,
		const QString &	keyStartsWith = QString()
	)

Read store contents from an XML node.

Parameters

parentNode	node to read from
keyStartsWith	reads only properties starting with the specified string (or all if the string is empty)

See also

writeXml()

Definition at line 51 of file qgsobjectcustomproperties.cpp.

remove()

void QgsObjectCustomProperties::remove

(

const QString &

key

)

Removes a key (entry) from the store.

Definition at line 41 of file qgsobjectcustomproperties.cpp.

setValue()

void QgsObjectCustomProperties::setValue	(	const QString &	key,
		const QVariant &	value
	)

Add an entry to the store with the specified key.

If an entry with the same key exists already, it will be overwritten.

Definition at line 31 of file qgsobjectcustomproperties.cpp.

value()

QVariant QgsObjectCustomProperties::value	(	const QString &	key,
		const QVariant &	defaultValue = QVariant()
	)		const

Returns the value for the given key.

If the key is not present in the properties, the defaultValue will be returned.

Definition at line 36 of file qgsobjectcustomproperties.cpp.

writeXml()

void QgsObjectCustomProperties::writeXml	(	QDomNode &	parentNode,
		QDomDocument &	doc
	)		const

Writes the store contents to an XML node.

See also

readXml()

Definition at line 130 of file qgsobjectcustomproperties.cpp.

Member Data Documentation

mMap

QMap<QString, QVariant> QgsObjectCustomProperties::mMap

protected

Definition at line 92 of file qgsobjectcustomproperties.h.

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

• /build/qgis-3.20.0+99unstable/src/core/qgsobjectcustomproperties.h
• /build/qgis-3.20.0+99unstable/src/core/qgsobjectcustomproperties.cpp