xref: /dokuwiki/lib/plugins/styling/action.php (revision dda9db03f2cef0ac706d1d2f814ee897aff1d492)
1123bc813SAndreas Gohr<?php
2123bc813SAndreas Gohr/**
3123bc813SAndreas Gohr * DokuWiki Plugin styling (Action Component)
4123bc813SAndreas Gohr *
5123bc813SAndreas Gohr * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
6123bc813SAndreas Gohr * @author  Andreas Gohr <andi@splitbrain.org>
7123bc813SAndreas Gohr */
8123bc813SAndreas Gohr
9123bc813SAndreas Gohr// must be run within Dokuwiki
10123bc813SAndreas Gohrif(!defined('DOKU_INC')) die();
11123bc813SAndreas Gohr
12123bc813SAndreas Gohr/**
13123bc813SAndreas Gohr * Class action_plugin_styling
14123bc813SAndreas Gohr *
15123bc813SAndreas Gohr * This handles all the save actions and loading the interface
16123bc813SAndreas Gohr *
17123bc813SAndreas Gohr * All this usually would be done within an admin plugin, but we want to have this available outside
18123bc813SAndreas Gohr * the admin interface using our floating dialog.
19123bc813SAndreas Gohr */
20123bc813SAndreas Gohrclass action_plugin_styling extends DokuWiki_Action_Plugin {
21123bc813SAndreas Gohr
22123bc813SAndreas Gohr    /**
23123bc813SAndreas Gohr     * Registers a callback functions
24123bc813SAndreas Gohr     *
25123bc813SAndreas Gohr     * @param Doku_Event_Handler $controller DokuWiki's event controller object
26123bc813SAndreas Gohr     * @return void
27123bc813SAndreas Gohr     */
28123bc813SAndreas Gohr    public function register(Doku_Event_Handler $controller) {
29123bc813SAndreas Gohr        $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'handle_header');
30123bc813SAndreas Gohr    }
31123bc813SAndreas Gohr
32123bc813SAndreas Gohr    /**
33123bc813SAndreas Gohr     * Adds the preview parameter to the stylesheet loading in non-js mode
34123bc813SAndreas Gohr     *
35123bc813SAndreas Gohr     * @param Doku_Event $event  event object by reference
36123bc813SAndreas Gohr     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
37123bc813SAndreas Gohr     *                           handler was registered]
38123bc813SAndreas Gohr     * @return void
39123bc813SAndreas Gohr     */
40123bc813SAndreas Gohr    public function handle_header(Doku_Event &$event, $param) {
41123bc813SAndreas Gohr        global $ACT;
42123bc813SAndreas Gohr        global $INPUT;
43123bc813SAndreas Gohr        if($ACT != 'admin' || $INPUT->str('page') != 'styling') return;
44*dda9db03SAndreas Gohr        /** @var admin_plugin_styling $admin */
45*dda9db03SAndreas Gohr        $admin = plugin_load('admin', 'styling');
46*dda9db03SAndreas Gohr        if(!$admin->isAccessibleByCurrentUser()) return;
47123bc813SAndreas Gohr
48123bc813SAndreas Gohr        // set preview
49123bc813SAndreas Gohr        $len = count($event->data['link']);
50123bc813SAndreas Gohr        for($i = 0; $i < $len; $i++) {
51123bc813SAndreas Gohr            if(
52123bc813SAndreas Gohr                $event->data['link'][$i]['rel'] == 'stylesheet' &&
53123bc813SAndreas Gohr                strpos($event->data['link'][$i]['href'], 'lib/exe/css.php') !== false
54123bc813SAndreas Gohr            ) {
55123bc813SAndreas Gohr                $event->data['link'][$i]['href'] .= '&preview=1&tseed='.time();
56123bc813SAndreas Gohr            }
57123bc813SAndreas Gohr        }
58123bc813SAndreas Gohr    }
59123bc813SAndreas Gohr
60123bc813SAndreas Gohr}
61123bc813SAndreas Gohr
62123bc813SAndreas Gohr// vim:ts=4:sw=4:et:
63