silverstripe-framework/forms/ConfirmedFormAction.php

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<?php
/**
* Action button with confirmation text.
* These button are useful for things like delete buttons.
*/
class ConfirmedFormAction extends FormAction {
protected $confirmation;
/**
* Create a new action button.
* @param action The method to call when the button is clicked
* @param title The label on the button
* @param confirmation The message to display in the confirmation box?
* @param form The parent form, auto-set when the field is placed inside a form
*/
function __construct($action, $title = "", $confirmation = "Are you sure?", $form = null) {
$this->confirmation = $confirmation;
parent::__construct($action, $title, $form);
}
function Field() {
return "<input class=\"action " . $this->extraClass() . "\" id=\"" . $this->id() . "\" type=\"submit\" name=\"{$this->name}\" value=\"{$this->title}\" onclick=\"return confirm('$this->confirmation');\" />";
}
}
?>