Webel ManGUI` examples: man$bool and man$group$pane

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Tutorial
[TECHNICAL SLIDE TRAIL] The Webel libraries for Wolfram Mathematica: With SysMLv1 models.
Section
SECTION: A brief look at the Webel W`Base` utilities for Mathematica
Mathematica keywords
Manipulate
Options
Pane
OpenerView
Webel Mathematica keywords
W`Base`
ManGUI`
man$bool
man$group$pane
'def$opt$'
'$man$'
man$bool$opt
Keywords
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The man$bool function takes either "manually" provide information for a toggle control (optionally including '$man$help' and/or '$man$warn' for adorning Tooltip icons around a label) or DRY help holder Strings.

The man$bool$opt variant just needs the String name of a Webel '$opt$' option for a (True|False) value, and gleans the rest from the '$opt$' naming conventions, super easy. Any existing 'def$opt$' default can be overridden with the '$man$def' option if needed.

Controls can then be easily grouped with headers in Panes using man$group$pane or OpenerView trees.

In some cases Evaluate@ must be additionally applied to a ManGUI` function to generate a complaint specification for Manipulate

Of course, one can still use the basic Manipulate control formats directly for whatever is not covered by the ManGUI functions, but use of ManGUI promotes consistency and usually makes rapid Manipulate GUI development nicely integrated with the rest of an application easier.

Up next
The Webel Units` library with short-cut variables for frequently used Units and their String identifiers
Notes
[NAMING, PATTERN, POLICY]{STRICT} Webel: Mathematica: CONVENTION: Option help holders use a String variable with the prefix '$opt$', a related '$info$opt$' String, a 'def$opt$' default value expression, and optional '$warn$opt$', '$tip$opt$', '$lab$opt$', and 'type$opt$' indicator ...
[GOTCHA, TIP, WARNING]{INFORMATIVE} Mathematica: GOTCHA: If a function is used to generate a control specification (or a grouping of control specifications in a layout) under some circumstances an 'Evaluate@' must be applied to the function for the control specification to be accepted.
Snippets (quotes/extracts)
Related slides (includes other tutorials)
The Webel '$opt$' option "help holder" convention
Related slides (backlinks, includes other tutorials)
HelpF`: gui$helpDownStrings signature display modes
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