Hi

What is the easiest way to control the enabled/disabled (or any other attribute) of a button according the state of one or more other components in a form? Basically I want to disable a button unless some other input is valid.

How do I refer to a button from the #createComponents or #model: methods?

Thanks in advance, Vince

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Am Donnerstag, 7. Mai 2020 03:09:29 UTC+2 schrieb Vince Refiti:

Hi

What is the easiest way to control the enabled/disabled (or any other attribute) of a button according the state of one or more other components in a form? Basically I want to disable a button unless some other input is valid.

How do I refer to a button from the #createComponents or #model: methods?

Thanks in advance, Vince

Same question here: https://groups.google.com/forum/#!topic/comp.lang.smalltalk.dolphin/Pj9Flq3i3yM

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Let me see if I got this straight:

A polling loop calls #queryCommand: on a collection of items in a Presenter. So #queryCommand: should be overridden in my particular Presenter subclass so that for an item of interest (a button in my case) I will implement code to check some state and to
enable or disable it accordingly.

Thanks Klaus

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hi,

i have had luck using a boolean. the boolean value is set by your input editting. in queryCommand you enable or disable the method associated with the button based on that boolean.

john

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