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