Philip Crow > Bigtop-0.38 > docs/keyword_cookbook/field/html_form_constraint/discussion

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USE ^

All field keywords beginning with html_form_ are passed directly into the form hash. Thus, they are really defined in form.tt which ships with Gantry.

html_form_constraint specifies a Data::FormValidator constraint which will be checked with either AutoCRUD or CRUD. The simplest constraints are regexes, but anything Data::FormValidator understands will work. Note that you need backticks around the value in the bigtop file, but inside them you should have unquoted perl code.

EXAMPLE ^

To see an example, build:

    bigtop -c example.bigtop all

Change to the newly created Kids directory and look in the form method in lib/Kids/GEN/Child.pm.

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