[QGIS-Developer] Questions regarding the QgsProcessingAlgorithm class

Bo Victor Thomsen bo.victor.thomsen at gmail.com
Thu Nov 23 03:03:30 PST 2023


Hi list -

I apologize for the cross-posting to this mailing list from qgis-user. 
But I hope, that somebody has the answers to the questions...

I have a couple of (probably dumb) questions on how to use the 
"QgsProcessingAlgorithm" class.

  * A have a lot parameter inputs placed in the "advanced" section af
    the processing input dialog. It's parameters that seldom has to be
    changed.
    How do I present the "Avanced" section /not/ unfolded? The default
    is to unfold this section and thus possibly confuse users by showing
    a lot of seldom changed parameters.

  * One of my input parameters is a "QgsProcessingParameterString"
    parameter that will contain a password.
    Can I obfuscate the parameter input, i.e showing '*******' instead
    of the password ?

  * the "QgsProcessingParameterFeatureSource" method creates a drop-down
    with names of layers in the map /and/ a checkbox with the label
    "Selected features only". Is it possible to set the checkmark
    automatically when showing the processing userdialog ? And how ??

-- 
Med venlig hilsen / Best regards

Bo Victor Thomsen
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