xref: /plugin/pagetemplater/action.php (revision e7e94c95049179a0c3391889a2c93c0a54e90ea2) 
1<?php
2
3/**
4 * Select Template Pages for your Content
5 * The templates Pages have to have the entry @@CONTENT@@
6 * the template per page can be defined using the META plugin
7 *
8 * @license  GPL 2 (http://www.gnu.org/licenses/gpl.html)
9 * @author     i-net software <tools@inetsoftware.de>
10 * @author     Gerry Weissbach <gweissbach@inetsoftware.de>
11 */
12
13// must be run within Dokuwiki
14if (!defined('DOKU_INC'))
15    die();
16
17if (!defined('DOKU_LF'))
18    define('DOKU_LF', "\n");
19if (!defined('DOKU_TAB'))
20    define('DOKU_TAB', "\t");
21if (!defined('DOKU_PLUGIN'))
22    define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
23
24require_once (DOKU_PLUGIN . 'action.php');
25require_once(DOKU_INC . 'inc/pageutils.php');
26
27class action_plugin_pagetemplater extends DokuWiki_Action_Plugin {
28
29    function getInfo(){
30        return array_merge(confToHash(dirname(__FILE__).'/info.txt'), array(
31                'name' => 'Page Templater Action Component',
32        ));
33    }
34
35    /**
36     * Register the eventhandlers.
37     */
38    function register(Doku_Event_Handler $controller) {
39        $controller->register_hook('TPL_CONTENT_DISPLAY', 'BEFORE', $this, 'handle_content_display', array ());
40        $controller->register_hook('PARSER_METADATA_RENDER', 'AFTER', $this, 'handle_meta_data', array ());
41    }
42
43    function handle_content_display(& $event, $params) {
44        global $ACT, $INFO, $TOC, $ID;
45
46        $template = $this->resolve_template();
47        if ( !$template || $ACT != 'show' ) { return; }
48
49        $oldtoc = $TOC;
50        $template = p_wiki_xhtml( $template );
51
52        // set the replacements
53        $replace = $INFO['meta']['templater'];
54        unset($replace['page']);
55        $replace['content'] = $event->data;
56        $replace['page'] = $ID;
57        $replace['namespace'] = getNS($ID);
58
59        $new = $template;
60        foreach (array_keys($replace) as $key) {
61            if ( $new != $template ) { $template = $new; }
62            if ( $key != 'content' && substr($key, 0, 1) == '!' ) {
63                $rkey = substr($key, 1);
64                $replace[$key] = p_render('xhtml', p_get_instructions($replace[$key]),$info);
65            } else { $rkey = $key; }
66            $new = str_replace('@@' . strtoupper(trim($rkey)) . '@@', $replace[$key], $template);
67            $new = str_replace(urlencode('@@') . strtoupper(trim($rkey)) . urlencode('@@'), $replace[$key], $new);
68        }
69
70        if ( $new != $event->data ) {
71            $event->data = $new;
72        }
73
74        $TOC = $oldtoc;
75
76        $data = array('xhtml',& $event->data);
77        trigger_event('RENDERER_CONTENT_POSTPROCESS',$data);
78
79        return true;
80    }
81
82    function handle_meta_data(& $event, $params) {
83        global $ACT;
84
85        $id = getId();
86        if ( $id != $event->data['page'] ) { return true; }
87        $template = $this->resolve_template( $event->data['current']['templater'] );
88        if ( empty( $template) || in_array($template, array( $id, $event->data['page']) ) ) { return true; }
89
90        $meta = p_get_metadata( $template, '', METADATA_RENDER_UNLIMITED );
91
92
93        if ( !$event->data['current']['internal'] || !is_array($event->data['current']['internal']) ) $event->data['current']['internal'] = array();
94        if ( !is_array($meta['internal']) ) $meta['internal'] = array();
95        $event->data['current']['internal'] = array_merge($event->data['current']['internal'], $meta['internal']);
96
97        if ( !$event->data['current']['toc'] || !is_array($event->data['current']['toc']) ) $event->data['current']['toc'] = array();
98        if ( !is_array($meta['toc']) ) $meta['toc'] = array();
99        $event->data['current']['toc'] = array_merge($event->data['current']['toc'], $meta['toc']);
100
101        return true;
102    }
103
104    private function resolve_template( $templater = array() ) {
105        global $INFO;
106
107        $page = empty($INFO['meta']['templater']['page']) ? $templater['page'] : $INFO['meta']['templater']['page'];
108
109        // are we in an avtive Namespace?
110        $template = $this->_getActiveNamespace();
111        if ( !$template && empty( $page ) ) return;
112
113        return empty( $page ) ? $template : $page;
114    }
115
116    function _getActiveNamespace() {
117        global $ID;
118        global $INFO;
119
120        $pattern = $this->getConf('excluded_pages');
121        if (strlen($pattern) > 0 && preg_match($pattern, $ID)) {
122            return false;
123        }
124
125        $this->loadPages();
126        foreach ($this->pages as $namespace) {
127            $space = cleanID($namespace[0]);
128            if (trim($space) && (strpos($ID, $space . ':') === 0)) {
129                return resolve_id($namespace[0], $namespace[1]);
130            }
131        }
132
133        return false;
134    }
135
136    private static $pages = null;
137    private function loadPages() {
138        if ( $this->pages != null ) {
139            return;
140        }
141
142        $this->pages = array();
143        $namespaces = explode("\n", $this->getConf('enabled_namespaces'));
144        foreach( $namespaces as $namespace ) {
145
146            if ( strlen(trim($namespace)) == 0 ) { continue; }
147            $this->pages[] = explode("=>", $namespace);
148        }
149    }
150}
151
152//Setup VIM: ex: et ts=4 enc=utf-8 :
153