silverstripe-framework/forms/FormAction.php

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<?php
/**
* Single action button.
* The action buttons are <input type="submit"> tags.
*/
class FormAction extends FormField {
protected $extraData;
/**
* Create a new action button.
* @param action The method to call when the button is clicked
* @param title The label on the button
* @param form The parent form, auto-set when the field is placed inside a form
* @param extraData A piece of extra data that can be extracted with $this->extraData. Useful for
* calling $form->buttonClicked()->extraData()
* @param extraClass A CSS class to apply to the button in addition to 'action'
*/
function __construct($action, $title = "", $form = null, $extraData = null, $extraClass = '') {
$this->extraData = $extraData;
$this->extraClass = ' '.$extraClass;
parent::__construct("action_$action", $title, null, $form);
}
static function create($action, $title = "", $extraData = null, $extraClass = null) {
return new FormAction($action, $title, null, $extraData, $extraClass);
}
function actionName() {
return substr($this->name,7);
}
function extraData() {
return $this->extraData;
}
function Field() {
$titleAttr = $this->description ? "title=\"" . Convert::raw2att($this->description) . "\"" : '';
return "<input class=\"action " . $this->extraClass() . "\" id=\"" . $this->id() . "\" type=\"submit\" name=\"{$this->name}\" value=\"" . $this->attrTitle() . "\" $titleAttr />\n";
}
/**
* Does not transform to readonly by purpose.
* Globally disabled buttons would break the CMS.
*/
function performReadonlyTransformation() {
return $this;
}
function readonlyField() {
return $this;
}
}
class FormAction_WithoutLabel extends FormAction {
function Title(){
return null;
}
}
?>