Created
March 7, 2014 03:04
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MemberAutocompleteField (example of SilverStripe 3.1 ajax-based autocomplete)
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<?php | |
class MemberAutocompleteField extends TextField { | |
private static $allowed_actions = array('suggest'); | |
public $maxSuggestionsNum = 50; | |
public function Field($properties = array()) { | |
Requirements::javascript("mysite/javascript/MemberAutocompleteField.js"); | |
return parent::Field($properties); | |
} | |
public function getAttributes() { | |
$attrs = parent::getAttributes(); | |
$custom = array( | |
'class' => $attrs['class'] . ' member-autocomplete text', | |
'data-source' => parse_url($this->Link(), PHP_URL_PATH).'/suggest' | |
); | |
return array_merge($attrs, $custom); | |
} | |
public function suggest($request) { | |
if (!Permission::check('CMS_ACCESS_LeftAndMain')) return Convert::raw2json(array()); | |
$searchString = trim($request->requestVar('term')); | |
//NOTE: using the LOWER function will mean that indexes will not work on this column. | |
$SQL_filter = 'LOWER(' . sprintf("\"Member\".\"Email\") LIKE LOWER('%%%s%%')", | |
Convert::raw2sql($searchString) | |
); | |
$tagObjs = DataObject::get('Member', $SQL_filter, $this->tagSort, "", $this->maxSuggestionsNum); | |
$tagArr = ($tagObjs) ? array_values($tagObjs->map('ID', 'Email')->toArray()) : array(); | |
return Convert::raw2json($tagArr); | |
} | |
public function dataValue() { | |
return $this->value ? Member::get()->filter('Email', $this->value)->first()->ID : null; | |
} | |
function setValue($value, $obj = null) { | |
if ($value && is_numeric($value)) $value = Member::get()->byID($value)->Email; | |
parent::setValue($value, $obj); | |
} | |
} |
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(function($){ | |
$('input.member-autocomplete').entwine({ | |
onadd: function(){ | |
var source = this.attr('data-source'); | |
this.autocomplete({ | |
source: source, | |
minLength: 3 | |
}); | |
} | |
}) | |
}(jQuery)) |
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