Subgroup: Vector
Class: QgsVectorLayerUndoPassthroughCommand¶
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class
qgis.core.
QgsVectorLayerUndoPassthroughCommand
(buffer: QgsVectorLayerEditBuffer, text: str, autocreate: bool = True)¶ Bases:
qgis._core.QgsVectorLayerUndoCommand
Constructor for QgsVectorLayerUndoPassthroughCommand
Parameters: - buffer – associated edit buffer
- text – text associated with command
- autocreate –
flag allowing to automatically create a savepoint if necessary
Undo command for vector layer in transaction group mode.
New in version 3.0: Methods
errorMessage
Returns the error message or an empty string if there’s none. hasError
Returns error status rollBackToSavePoint
Rollback command, release savepoint or set error status save point must be set prior to call error satus should be false prior to call setError
Set error flag and append “failed” to text setErrorMessage
Sets the error message. setSavePoint
Set the command savepoint or set error status. Signals
Attributes
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errorMessage
(self) → str¶ Returns the error message or an empty string if there’s none.
New in version 3.0.
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hasError
(self) → bool¶ Returns error status
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rollBackToSavePoint
(self) → bool¶ Rollback command, release savepoint or set error status save point must be set prior to call error satus should be false prior to call
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setError
(self)¶ Set error flag and append “failed” to text
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setErrorMessage
(self, errorMessage: str)¶ Sets the error message.
New in version 3.0.
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setSavePoint
(self, savePointId: str = '') → bool¶ Set the command savepoint or set error status. Error satus should be false prior to call. If the savepoint given in parameter is empty, then a new one is created if none is currently available in the transaction.