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How to disable write parameters based on certain state

Solved1.31K views17th July 2023
0
Stijn Declerck [SLC] [DevOps Advocate]800 15th March 2022 0 Comments

Hi all,

What would be the best way to inform the user a couple of parameters are not writable in a certain device state. This state is indicated by a state parameter in the connector. My first idea was to hide the write parameters, but I think that's not possible. Some other ideas:

- Add a fixed parameter under those write parameters with a message explaining this behaviour.
- Display an information message saying it is not possible to perform a set when the user tries to set a value.
- Don't show anything, the value won't be updated anyway.
- Other suggestions

Thanks in advance!

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 17th July 2023

4 Answers

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1
Pedro Almeida [SLC]296 Posted 15th March 2022 2 Comments

Hello,

To display a message when you click on a write parameter please use the tag Message on the Parameter tag:

https://help.dataminer.services/development/#t=DataMinerDevelopmentLibrary_Customer%2Fpart3MarkupLanguage%2FMARProtocolParams%2FProtocol_Params_Param_Message.htm&rhsearch=message&rhhlterm=message&rhsyns=%20

If you want to disable a write parameter based on another parameter value, please use the disable option on the discreet tag.

https://help.dataminer.services/development/#t=DataMinerDevelopmentLibrary_Customer%2Fpart3MarkupLanguage%2FMARProtocolParams%2FProtocol_Params_Param_Measurement_Discreets_Discreet.htm&rhsearch=disabled&rhhlterm=disabled&rhsyns=%20

You could also have a QAction linked to that write parameter and validate the value before you set it.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 17th July 2023
Stijn Declerck [SLC] [DevOps Advocate] commented 15th March 2022

Hi,
I don’t think a message needs to be displayed every time one of the parameters is changed. It might be better to first check the device state and if necessary a message can be shown if the set won’t be executed.
The disable option won’t work since it are all standalone parameters.
The set is already being validated, my question is more about how to inform the user the set won’t be executed.

Pedro Almeida [SLC] commented 15th March 2022

If you trigger a QAction on that, you could then do protocol.ShowInformationMessage(“The value selected is invalid and it won’t be executed!”); to inform the user of the invalid option selected.

1
Ben Vandenberghe [SLC] [DevOps Enabler]9.06K Posted 15th March 2022 3 Comments

It's been a long time, but isn't there something like parameter dependencies, which allow you to maybe trigger a pop-up upon a write-attempt to show the dependency?

Stijn Declerck [SLC] [DevOps Advocate] Posted new comment 15th March 2022
Ive Herreman [SLC] [DevOps Enabler] commented 15th March 2022

Besides the dependencies, you could also use the option attribute on the protocol.params.param.measurement.type tag, where you can define a condition to disable a write parameter based on the value of a different parameter.

Stijn Declerck [SLC] [DevOps Advocate] commented 15th March 2022

The dependencies tag can only be used to check whether other parameters are set (e.g. none of the parameters is “Not Initialized”). In theory this functionality could prevent the user from setting the parameter, but I find the pop-up message “Parameter ‘X’ requires that the following parameters are set first: …” a bit misleading, because no parameter needs to be set by the user, it just depends on the device state.

Stijn Declerck [SLC] [DevOps Advocate] commented 15th March 2022

The option attribute “custom=disableWrite:pid=value” can only be used on table parameters: “With this option you can make a column read-only based on a value of a different column in the same table.”
We need an option for standalone parameters.

0
Jens Vandewalle [SLC] [DevOps Enabler]9.44K Posted 16th March 2022 0 Comments

Since disabling write control is today not possible for single parameters, why not creating a nice Visual Overview in which you can tweak this to your needs?

Jens Vandewalle [SLC] [DevOps Enabler] Answered question 16th March 2022
0
Robbie Demaegdt [SLC] [DevOps Advocate]655 Posted 15th March 2022 1 Comment

It's possible to disable a write parameter when another value has a certain value on a table, I don't know if yours is a single parameter or a column.

http://application/DDL/#t=DataMinerDevelopmentLibrary_Internal%2Fpart3MarkupLanguage%2FMARProtocolParams%2FProtocol_Params_Param_Measurement_Type.htm&rhsearch=disablewrite&rhhlterm=disablewrite&rhsyns=%20

Stijn Declerck [SLC] [DevOps Advocate] Posted new comment 15th March 2022
Stijn Declerck [SLC] [DevOps Advocate] commented 15th March 2022

Unfortunatly, it are all single parameters.

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