QgsExpressionItem Class Reference

An expression item that can be used in the QgsExpressionBuilderWidget tree. More...

#include <qgsexpressiontreeview.h>

Inheritance diagram for QgsExpressionItem:

Public Types
enum	ItemType { Header , Field , ExpressionNode }

Public Member Functions
	QgsExpressionItem (const QString &label, const QString &expressionText, const QString &helpText, QgsExpressionItem::ItemType itemType=ExpressionNode)
	QgsExpressionItem (const QString &label, const QString &expressionText, QgsExpressionItem::ItemType itemType=ExpressionNode)
QString	getExpressionText () const
QString	getHelpText () const
	Gets the help text that is associated with this expression item.
QgsExpressionItem::ItemType	getItemType () const
	Gets the type of expression item, e.g., header, field, ExpressionNode.
void	setHelpText (const QString &helpText)
	Set the help text for the current item.

Static Public Attributes
static const int	CUSTOM_SORT_ROLE = Qt::UserRole + 1
	Custom sort order role.
static const int	ITEM_NAME_ROLE = Qt::UserRole + 4
	Item name role.
static const int	ITEM_TYPE_ROLE = Qt::UserRole + 2
	Item type role.
static const int	LAYER_ID_ROLE = Qt::UserRole + 5
	Layer ID role.
static const int	SEARCH_TAGS_ROLE = Qt::UserRole + 3
	Search tags role.

Detailed Description

An expression item that can be used in the QgsExpressionBuilderWidget tree.

Definition at line 38 of file qgsexpressiontreeview.h.

Member Enumeration Documentation

ItemType

enum QgsExpressionItem::ItemType

Enumerator
Header
Field
ExpressionNode

Definition at line 41 of file qgsexpressiontreeview.h.

Constructor & Destructor Documentation

QgsExpressionItem() [1/2]

QgsExpressionItem::QgsExpressionItem ( const QString &  label, const QString &  expressionText, const QString &  helpText, QgsExpressionItem::ItemType  itemType = ExpressionNode  )

inline

Definition at line 48 of file qgsexpressiontreeview.h.

QgsExpressionItem() [2/2]

QgsExpressionItem::QgsExpressionItem ( const QString &  label, const QString &  expressionText, QgsExpressionItem::ItemType  itemType = ExpressionNode  )

inline

Definition at line 60 of file qgsexpressiontreeview.h.

Member Function Documentation

getExpressionText()

QString QgsExpressionItem::getExpressionText ( ) const

inline

Definition at line 70 of file qgsexpressiontreeview.h.

getHelpText()

QString QgsExpressionItem::getHelpText ( ) const

inline

Gets the help text that is associated with this expression item.

Returns

The help text.

Definition at line 77 of file qgsexpressiontreeview.h.

getItemType()

QgsExpressionItem::ItemType QgsExpressionItem::getItemType ( ) const

inline

Gets the type of expression item, e.g., header, field, ExpressionNode.

Returns

The QgsExpressionItem::ItemType

Definition at line 91 of file qgsexpressiontreeview.h.

setHelpText()

void QgsExpressionItem::setHelpText ( const QString &  helpText )

inline

Set the help text for the current item.

Note

The help text can be set as a html string.

Definition at line 84 of file qgsexpressiontreeview.h.

Member Data Documentation

CUSTOM_SORT_ROLE

const int QgsExpressionItem::CUSTOM_SORT_ROLE = Qt::UserRole + 1

static

Custom sort order role.

Definition at line 94 of file qgsexpressiontreeview.h.

ITEM_NAME_ROLE

const int QgsExpressionItem::ITEM_NAME_ROLE = Qt::UserRole + 4

static

Item name role.

Definition at line 100 of file qgsexpressiontreeview.h.

ITEM_TYPE_ROLE

const int QgsExpressionItem::ITEM_TYPE_ROLE = Qt::UserRole + 2

static

Item type role.

Definition at line 96 of file qgsexpressiontreeview.h.

LAYER_ID_ROLE

const int QgsExpressionItem::LAYER_ID_ROLE = Qt::UserRole + 5

static

Layer ID role.

Since

QGIS 3.24

Definition at line 102 of file qgsexpressiontreeview.h.

SEARCH_TAGS_ROLE

const int QgsExpressionItem::SEARCH_TAGS_ROLE = Qt::UserRole + 3

static

Search tags role.

Definition at line 98 of file qgsexpressiontreeview.h.

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

• /build/qgis-3.41.0+git20241110+fda2aa46e9a+99sid/src/gui/qgsexpressiontreeview.h