Class: QgsExpressionItem¶
- class qgis.gui.QgsExpressionItem¶
Bases:
PyQt5.QtGui.QStandardItem
An expression item that can be used in the
QgsExpressionBuilderWidget
tree.Methods
- rtype:
str
Gets the help text that is associated with this expression item.
Gets the type of expression item, e.g., header, field, ExpressionNode.
Set the help text for the current item
Attributes
- CUSTOM_SORT_ROLE = 257¶
- ExpressionNode = 2¶
- Field = 1¶
- Header = 0¶
- ITEM_NAME_ROLE = 260¶
- ITEM_TYPE_ROLE = 258¶
- class ItemType¶
Bases:
int
- LAYER_ID_ROLE = 261¶
- SEARCH_TAGS_ROLE = 259¶
- emitDataChanged(self)¶
- getExpressionText(self) str ¶
- Return type:
str
- getHelpText(self) str ¶
Gets the help text that is associated with this expression item.
- Return type:
str
- Returns:
The help text.
- getItemType(self) QgsExpressionItem.ItemType ¶
Gets the type of expression item, e.g., header, field, ExpressionNode.
- Return type:
- Returns:
The QgsExpressionItem.ItemType
- setHelpText(self, helpText: str)¶
Set the help text for the current item
Note
The help text can be set as a html string.
- Parameters:
helpText (str) –