QgsExpression::NodeCondition Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeCondition:

Collaboration diagram for QgsExpression::NodeCondition:

List of all members.

Public Member Functions
	NodeCondition (WhenThenList *conditions, Node *elseExp=NULL)
	~NodeCondition ()
virtual QVariant	eval (QgsExpression *parent, QgsFeature *f)
virtual bool	prepare (QgsExpression *parent, const QgsFieldMap &fields)
virtual QString	dump () const
virtual void	toOgcFilter (QDomDocument &doc, QDomElement &element) const
virtual QStringList	referencedColumns () const
virtual bool	needsGeometry () const
virtual void	accept (Visitor &v)
Protected Attributes
WhenThenList	mConditions
Node *	mElseExp

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Detailed Description

Definition at line 425 of file qgsexpression.h.

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Constructor & Destructor Documentation

QgsExpression::NodeCondition::NodeCondition	(	WhenThenList *	conditions,
		Node *	elseExp = NULL
	)		[inline]

Definition at line 428 of file qgsexpression.h.

QgsExpression::NodeCondition::~NodeCondition

(

)

[inline]

Definition at line 429 of file qgsexpression.h.

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Member Function Documentation

virtual void QgsExpression::NodeCondition::accept

(

Visitor &

v

)

[inline, virtual]

Implements QgsExpression::Node.

Definition at line 439 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

QString QgsExpression::NodeCondition::dump

(

)

const [virtual]

Implements QgsExpression::Node.

Definition at line 1629 of file qgsexpression.cpp.

References QgsExpression::Node::dump(), QgsExpression::WhenThen::mThenExp, and QgsExpression::WhenThen::mWhenExp.

QVariant QgsExpression::NodeCondition::eval	(	QgsExpression *	parent,
		QgsFeature *	f
	)		[virtual]

Implements QgsExpression::Node.

Definition at line 1587 of file qgsexpression.cpp.

References ENSURE_NO_EVAL_ERROR, QgsExpression::Node::eval(), getTVLValue(), QgsExpression::WhenThen::mThenExp, QgsExpression::WhenThen::mWhenExp, and True.

bool QgsExpression::NodeCondition::needsGeometry

(

)

const [virtual]

Implements QgsExpression::Node.

Definition at line 1661 of file qgsexpression.cpp.

References QgsExpression::WhenThen::mThenExp, QgsExpression::WhenThen::mWhenExp, and QgsExpression::Node::needsGeometry().

bool QgsExpression::NodeCondition::prepare	(	QgsExpression *	parent,
		const QgsFieldMap &	fields
	)		[virtual]

Implements QgsExpression::Node.

Definition at line 1613 of file qgsexpression.cpp.

References QgsExpression::WhenThen::mThenExp, QgsExpression::WhenThen::mWhenExp, and QgsExpression::Node::prepare().

QStringList QgsExpression::NodeCondition::referencedColumns

(

)

const [virtual]

Implements QgsExpression::Node.

Definition at line 1647 of file qgsexpression.cpp.

References QgsExpression::WhenThen::mThenExp, QgsExpression::WhenThen::mWhenExp, and QgsExpression::Node::referencedColumns().

void QgsExpression::NodeCondition::toOgcFilter	(	QDomDocument &	doc,
		QDomElement &	element
	)		const [virtual]

Reimplemented from QgsExpression::Node.

Definition at line 1641 of file qgsexpression.cpp.

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Member Data Documentation

WhenThenList QgsExpression::NodeCondition::mConditions [protected]

Definition at line 442 of file qgsexpression.h.

Node* QgsExpression::NodeCondition::mElseExp [protected]

Definition at line 443 of file qgsexpression.h.

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

• src/core/qgsexpression.h
• src/core/qgsexpression.cpp