silverstripe-framework/forms/FormAction.php

138 lines
2.9 KiB
PHP

<?php
/**
* Single action button.
* The action buttons are <input type="submit"> tags.
*
* <b>Usage</b>
*
* Upon clicking the button below will redirect the user to doAction under the current controller.
*
* <code>
* new FormAction (
* // doAction has to be a defined controller member
* $action = "doAction",
* $title = "Submit button"
* )
* </code>
*
* @package forms
* @subpackage actions
*/
class FormAction extends FormField {
protected $action;
/**
* Enables the use of <button> instead of <input>
* in {@link Field()} - for more customizeable styling.
*
* @var boolean $useButtonTag
*/
public $useButtonTag = false;
protected $buttonContent = null;
/**
* Create a new action button.
*
* @param action The method to call when the button is clicked
* @param title The label on the button
* @param form The parent form, auto-set when the field is placed inside a form
*/
function __construct($action, $title = "", $form = null) {
$this->action = "action_$action";
parent::__construct($this->action, $title, null, $form);
}
function actionName() {
return substr($this->name, 7);
}
/**
* Set the full action name, including action_
* This provides an opportunity to replace it with something else
*/
function setFullAction($fullAction) {
$this->action = $fullAction;
return $this;
}
function Field($properties = array()) {
$properties = array_merge(
$properties,
array(
'Name' => $this->action,
'Title' => ($this->description && !$this->useButtonTag) ? $this->description : $this->Title(),
'UseButtonTag' => $this->useButtonTag
)
);
return parent::Field($properties);
}
function FieldHolder($properties = array()) {
return $this->Field($properties);
}
public function Type() {
return 'action';
}
function getAttributes() {
return array_merge(
parent::getAttributes(),
array(
'disabled' => ($this->isReadonly() || $this->isDisabled()),
'value' => $this->Title(),
'type' => ($this->useButtonTag) ? null : 'submit',
'title' => ($this->useButtonTag) ? $this->description : null,
)
);
}
/**
* Add content inside a button field.
*/
function setButtonContent($content) {
$this->buttonContent = (string) $content;
return $this;
}
/**
* @return String
*/
function getButtonContent() {
return $this->buttonContent;
}
/**
* @param Boolean
*/
public function setUseButtonTag($bool) {
$this->useButtonTag = $bool;
return $this;
}
/**
* @return Boolean
*/
public function getUseButtonTag() {
return $this->useButtonTag;
}
function extraClass() {
return 'action ' . parent::extraClass();
}
/**
* Does not transform to readonly by purpose.
* Globally disabled buttons would break the CMS.
*/
function performReadonlyTransformation() {
$clone = clone $this;
$clone->setReadonly(true);
return $clone;
}
}