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[%#-
Autocompletion

This template enables auto completion for input fields.
Calling Syntax is:

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INCLUDE 'generic/autocomplete', [
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{ SPEC_1 },
{ SPEC_2 },
...
]

where SPEC is a hash containing the following keys:

script : the script that is called for autocompletion, defaults to the invoking script
action : action in the ajax script, defaults to 'ajax_autocomplete'
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selector : a jquery selector, specifying the input fields
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column : specifies the column that is represented by the bound field. typically description or name.
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params : additional params that should be included in the request, like customer/vendor information. expects a hash.
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TODO FIELDS:
- addition fields like type, vc etc.
- additional dependencies, see jquery.autocomplete documentation
- hook function on select, again see jquery documentation
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- limit: maximum number of results shown.
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a simple SPEC would look like this:

{ selector => '#description', column => 'description' }
# field with id="description" should be autocompleted with descriptions

{ script => 'ic.pl', selector => '[name^="partnumber_"]', column => 'partnumber' }
# let ic.pl autocomplete by partnumbers, bind this to all fields where the name begins with "partnumber_"



The Backend Side

The called function will recieve the queried string as hashkey "q" in form, as well as every other param specified here.
It should generate a generic ajax header (see form), followed by newline separated list of possible completion values.

%]
<script type='text/javascript'>
[%- FOREACH token = AUTOCOMPLETES %]
[%- DEFAULT token.script = script %]
[%- DEFAULT token.action = 'ajax_autocomplete' %]
[%- DEFAULT token.INPUT_ENCODING = 'utf8' %]
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[%- FOREACH key = token.params.keys %]
[%- token.additional_url = token.additional_url _ '&' _ key _ '=' _ token.params.$key %]
[%- END %]
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[%- token.url = token.script
_ '?action=' _ token.action
_ '&INPUT_ENCODING=' _ token.INPUT_ENCODING %]
[%- SET token.url = token.url _ '&column=' _ token.column IF token.column %]
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[%- SET token.url = token.url _ token.additional_url IF token.additional_url %]
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$(document).ready( $('[% token.selector %]').autocomplete('[% token.url %]'));
[%- END %]
</script>