silverstripe-framework/forms/AutocompleteTextField.php

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<?php
/**
* @package forms
* @subpackage fields-formattedinput
*/
/**
* Autocompleting text field, using script.aculo.us
* @package forms
* @subpackage fields-formattedinput
*/
class AutocompleteTextField extends TextField {
protected $optionsURL;
function __construct($name, $title = null, $optionsURL, $value = "", $maxLength = null){
$this->optionsURL = $optionsURL;
parent::__construct($name, $title, $value, $maxLength);
}
function extraClass() {
return parent::extraClass() . " autocomplete";
}
function Field() {
// Requirements::javascript('sapphire/javascript/AutocompleteTextField.js');
$extraClass = $this->extraClass();
$fieldSize = $this->maxLength ? min( $this->maxLength, 30 ) : 30;
if($this->maxLength) {
return "<input class=\"text maxlength$extraClass\" type=\"text\" id=\"" . $this->id() . "\" name=\"{$this->name}\" value=\"" . $this->attrValue() . "\" maxlength=\"$this->maxLength\" size=\"$fieldSize\" /><div id=\"" . $this->id() . "_Options\" class=\"autocompleteoptions\"></div>";
} else {
return "<input class=\"text$extraClass\" type=\"text\" id=\"" . $this->id() . "\" name=\"{$this->name}\" value=\"" . $this->attrValue() . "\" /><div id=\"" . $this->id() . "_Options\" class=\"autocompleteoptions\"></div>";
}
}
function FieldHolder() {
$holder = parent::FieldHolder();
$id = $this->id();
$holder .= <<<JS
<script type="text/javascript">
new Ajax.Autocompleter( '$id', '{$id}_Options', '{$this->optionsURL}', { afterUpdateElement : function(el) { if(el.onajaxupdate) { el.onajaxupdate(); } } } );
</script>
JS;
return $holder;
}
}
?>