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<== Date ==> <== Thread ==>
Subject: Re: CS-Studio (Phoebus) Dynamic Population of PVs in GUI
From: Tynan Ford via Tech-talk <tech-talk at aps.anl.gov>
To: Michael Davidsaver <mdavidsaver at gmail.com>
Cc: EPICS tech-talk <tech-talk at aps.anl.gov>
Date: Fri, 15 Jan 2021 09:38:31 -0800
So in regards to Phoebus screen generation. I haven't advertised this yet since I haven't gotten the time to make it more complete, but maybe this could help you. Or be a chance to get some collaborators :)

https://github.com/tynanford/phoebusgen

It's a python module that lets you skip worrying about the XML and do something like this. There are 8 widgets supported so far but it shouldn't take me too long to add more.
>>> import phoebusgen.widget as w
>>> text_update_widget = w.TextUpdate('test widget', 'TEST:PV', 10, 20, 20, 50)
>>> text_update_widget.predefined_foreground_color('OK')
>>> print(text_update_widget)
<?xml version="1.0" ?>
<widget type="textupdate" version="2.0.0">
  <name>test widget</name>
  <x>10</x>
  <y>20</y>
  <width>20</width>
  <height>50</height>
  <pv_name>TEST:PV</pv_name>
  <foreground_color>
    <color red="0" green="255" blue="0" alpha="255" name="OK"/>
  </foreground_color>
</widget>

On Fri, Jan 15, 2021 at 9:16 AM Michael Davidsaver via Tech-talk <tech-talk at aps.anl.gov> wrote:
On 1/14/21 2:28 PM, Manoussakis, Adamandios via Tech-talk wrote:
> Hello All,
>
>  
>
> I was curious what the best way to go about populating our GUIs in CS Studio when we are dealing with multiple PVs that share a common attributes.  Such as
>
>  
>
> Device1:Subdevice1:Signal1
>
> Device1:Subdevice1:Signal2
>
>  
>
> Device1:Subdevice2:Signal1
>
> Device1:Subdevice2:Signal2
>
>  
>
> And so forth for N devices M Subdevices Z Signals
>
>  
>
> I was thinking to use macros that pull from drop down menus which would then populate the correct PVs for say specific waveforms.
>
>  
>
> Dropdown menu to select Device #, Dropdown menu to select subdevice # and then populate the PV waveforms for the correct subset I selected.
>
>  
>
> I only just started to use CS Studio and I think this seems possible but wasn’t completely sure.  I also saw that I could write some python scripting and have it run in CS Studio to parse out and place the correct PVs depending on drop down selections but wanted to check in first and see how people have been using it.

You might want to start by looking at ways to accomplish this with macros.

For example, it is possible to use an Action Button to replace an OPI with the
same OPI file and different macros values.  So I can have a row of buttons,
or one button with a menu, to select between different device instances.

I think it may also be possible for an embedded script to change macro values,
though cleverness with client side scripting is generally recommended as a last
resort.

wrt. generation screens.  So far I've only done this sort of thing offline.
eg. with python scripts to generate OPI screen files (variously .bob, .opi,
or .edl).  Usually with the idea of quickly generating tabular "expert"
screens for devices with a large number of scalar settings.

For cs-studio, this is mostly an exercise in xml.etree.ElementTree with
some logic to manage incrementing Y position for successive Embedded Display
widgets.
Replies:
RE: CS-Studio (Phoebus) Dynamic Population of PVs in GUI Manoussakis, Adamandios via Tech-talk
References:
CS-Studio (Phoebus) Dynamic Population of PVs in GUI Manoussakis, Adamandios via Tech-talk
Re: CS-Studio (Phoebus) Dynamic Population of PVs in GUI Michael Davidsaver via Tech-talk
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