SID-01784: Searching for Check boxes in Forms

Status:	Answered	TWiki version:	5.1.4	Perl version:
Category:	CategoryRendering	Server OS:		Last update:	12 years ago

I am trying to create a form in which a user can select multiple items via check boxes. I have used the "Contact Form" example as a base for codes. However, it does not include an example for use of check boxes.

Based on the code for a drop-down menu, I believe I am close with this:

<input name="Cheese"> <value></value> %SEARCH{ "\|Cheese.*checkbox" type="regex" topic="JKContactForm" multiple="on" nonoise="on" seperator="," format=">>$percntCALC{$LISTJOIN($sp, $LISTMAP(<value>$item</value> , $TRIM($pattern(.*?select[^\|]*\|[^\|]*\|[ ,]*([^\|]*).*))))}$percnt<<" }% </input>

Instead, it shows as an empty textbox

-- Jordan Kruger - 2013-08-12

Discussion and Answer

You probably meant separator, not seperator.

Do this, assuming you have a checkbox called "Categories" in your form:

%CALC{$LISTJOIN($sp, $LISTMAP(<label><input type="checkbox" name="Categories" value="$item" /> $item </label>%BR%, %SEARCH{
 "\| *Categories "
 type="regex"
 topic="KnowledgeBaseForm"
 multiple="on"
 nonoise="on"
 format="$pattern(\| *Categories .* checkbox[^\|]*\|[^\|]*\| *([^\|]+?) *\|.*)"
}%))}% <input type="hidden" name="Categories" value="" />

The last hidden input field is needed so that all unchecked can be submitted as well.

-- Peter Thoeny - 2013-08-12

FYI, the upcoming TWiki release makes this much easier, as simple as this:

%EDITFORMFIELD{ "Categories" form="MyForm" }%

-- Peter Thoeny - 2013-08-12

This worked, thanks for your help!

-- Jordan Kruger - 2013-08-13

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