Code Coverage for /workspace/src/includes/actions/FormlessAction.php

1	<?php
2	/**
3	* Base classes for actions done on pages.
4	*
5	* This program is free software; you can redistribute it and/or modify
6	* it under the terms of the GNU General Public License as published by
7	* the Free Software Foundation; either version 2 of the License, or
8	* (at your option) any later version.
9	*
10	* This program is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU General Public License for more details.
14	*
15	* You should have received a copy of the GNU General Public License
16	* along with this program; if not, write to the Free Software
17	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
18	*
19	* @file
20	* @ingroup Actions
21	*/
22
23	/**
24	* An action which just does something, without showing a form first.
25	*
26	* @stable to extend
27	*
28	* @ingroup Actions
29	*/
30	abstract class FormlessAction extends Action {
31
32	/**
33	* Show something on GET request.
34	* @return string\|null Will be added to the HTMLForm if present, or just added to the
35	* output if not. Return null to not add anything
36	*/
37	abstract public function onView();
38
39	/**
40	* @stable to override
41	*/
42	public function show() {
43	$this->setHeaders();
44
45	// This will throw exceptions if there's a problem
46	$this->checkCanExecute( $this->getUser() );
47
48	$this->getOutput()->addHTML( $this->onView() );
49	}
50	}