[Qgis-developer] [Solved] Undo/Redo when adding/changing features from Python

[bernhard.stroebl at jena.de]

Marco,

many thanks, that does the trick!

Bernhard

Am 07.03.2012 10:48, schrieb Marco Hugentobler:
> Hi Bernhard
>
> Use QgsVectorLayer::beginEditCommand before adding the feature, then
> endEditCommand or destroyEditCommand after.
>
> Regards,
> Marco
>
> On 07.03.2012 10:40, bernhard.stroebl at jena.de wrote:
>> Dear list,
>>
>> I am currently doing a Python plugin that adds/changes features in an
>> editable QgsVectorLayer:
>>
>> <code>
>> # case 1 change
>> myLayer.changeGeometry(myFid, newGeometry)
>> # case 2 add
>> if self.iface.openFeatureForm(myLayer, newFeature):
>> myLayer.addFeature(newFeature)
>> </code>
>>
>> The Undo/Redo Window does not list anything to undo in case 1 (change)
>> and only the attributes changed if I accept the featureForm in case 2.
>> I would expect "Feature changed" in case 1 and "Feature added" in case
>> 2. If I digitize a feature the feature form pops up as soon I have
>> finished digitizing and accepting it gives me a "Feature added"-undo
>> option.
>> I found the QgsUndoCommand class in the docs but get a
>> NameError: name 'QgsUndoCommand' is not defined
>>
>> any help appreciated
>>
>> Bernhard
>>
>>
>>
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>

-- 
Bernhard Ströbl
Anwendungsbetreuer GIS

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