xref: /template/sprintdoc/Template.php (revision 046583e205202305d45fcd53a4ee550b7d8b327f) 
1<?php
2
3namespace dokuwiki\template\sprintdoc;
4
5/**
6 * Class Template
7 *
8 * provides additional logic for the sprintdoc template
9 *
10 * @package dokuwiki\template\sprintdoc
11 */
12class Template {
13
14    /** @var array loaded plugins */
15    protected $plugins = array(
16        'sqlite' => null,
17        'tagging' => null,
18        'magicmatcher' => null,
19        'tplinc' => null,
20        'sitemapnavi' => null,
21    );
22
23    /** @var string the type of special navigation to use */
24    protected $nav = '';
25
26
27    /**
28     * Get the singleton instance
29     *
30     * @return Template
31     */
32    public static function getInstance() {
33        static $instance = null;
34        if($instance === null) $instance = new Template();
35        return $instance;
36    }
37
38    /**
39     * Template constructor.
40     */
41    protected function __construct() {
42        $this->initializePlugins();
43        $this->initNavigationCookie();
44
45        /** @var \Doku_Event_Handler */
46        global $EVENT_HANDLER;
47        $EVENT_HANDLER->register_hook('PLUGIN_TPLINC_LOCATIONS_SET', 'BEFORE', $this, 'registerIncludes');
48    }
49
50    /**
51     * Load all the plugins we support directly
52     */
53    protected function initializePlugins() {
54        $this->plugins['sqlite'] = plugin_load('helper', 'sqlite');
55        if($this->plugins['sqlite']) {
56            $this->plugins['tagging'] = plugin_load('helper', 'tagging');
57            $this->plugins['magicmatcher'] = plugin_load('syntax', 'magicmatcher_issuelist');
58        }
59        $this->plugins['tplinc'] = plugin_load('helper', 'tplinc');
60        $this->plugins['sitemapnavi'] = plugin_load('helper', 'sitemapnavi');
61    }
62
63    /**
64     * Makes include position info available to the tplinc plugin
65     *
66     * @param \Doku_Event $event
67     */
68    public function registerIncludes(\Doku_Event $event) {
69        $event->data['footer'] = 'Footer below the page content';
70        $event->data['sidebarfooter'] = 'Footer below the sidebar';
71        $event->data['sidebarheader'] = 'Header above the sidebar';
72    }
73
74    /**
75     * Get the content to include from the tplinc plugin
76     *
77     * prefix and postfix are only added when there actually is any content
78     *
79     * @param string $location
80     * @param string $pre prepend this before the content
81     * @param string $post append this to the content
82     * @return string
83     */
84    public function getInclude($location, $pre = '', $post = '') {
85        if(!$this->plugins['tplinc']) return '';
86        $content = $this->plugins['tplinc']->renderIncludes($location);
87        if($content === '') return '';
88        return $pre . $content . $post;
89    }
90
91    /**
92     * Sets a cookie to remember the requested special navigation
93     */
94    protected function initNavigationCookie() {
95        if ($this->plugins['sitemapnavi'] === null) return;
96        global $INPUT;
97
98        $nav = $INPUT->str('nav');
99        if($nav) {
100            set_doku_pref('nav', $nav);
101            $this->nav = $INPUT->str('nav');
102        } else {
103            $this->nav = get_doku_pref('nav', 'sidebar');
104        }
105    }
106
107    /**
108     * Return the navigation for the sidebar
109     *
110     * Defaults to the standard sidebar mechanism, but supports also the sitemapnavi plugin
111     *
112     * @return string
113     */
114    public function getNavigation() {
115        global $ID;
116        global $conf;
117
118        // add tabs if multiple navigation types available
119        $header = '';
120        if ($this->plugins['sitemapnavi'] !== null) {
121            $header = '<ul class="sidebar-tabs">';
122            $header .= '<li class="' . ($this->nav === 'sidebar' ? 'active' : '') . '">' .
123                '<a href="' . wl($ID, ['nav' => 'sidebar']) . '">'.tpl_getLang('nav_sidebar').'</a></li>';
124            $header .= '<li class="' . ($this->nav === 'sitemap' ? 'active' : '') . '">' .
125                '<a href="' . wl($ID, ['nav' => 'sitemap']) . '">'.tpl_getLang('nav_sitemap').'</a></li>';
126            $header .= '</ul>';
127        }
128
129        // decide what to show
130        if ($this->nav === 'sitemap') {
131            // site tree created by sitemapnavi plugin
132            $nav = '<nav class="nav-sitemapnavi" id="plugin__sitemapnavi">';
133            $nav .= $this->plugins['sitemapnavi']->getSiteMap(':');
134            $nav .= '</nav>';
135        } else {
136            // main navigation, loaded from standard sidebar, fixed up by javascript
137            $nav = '<nav class="nav-main">';
138            $nav .= tpl_include_page($conf['sidebar'], false, true);
139            $nav .= '</nav>';
140        }
141
142        return $header . $nav;
143    }
144
145    /**
146     * Get all the tabs to display
147     *
148     * @return array
149     */
150    public function getMetaBoxTabs() {
151        global $lang, $INFO;
152        $tabs = array();
153
154        $toc = tpl_toc(true);
155        if($toc) {
156            $tabs[] = array(
157                'id' => 'spr__tab-toc',
158                'label' => $lang['toc'],
159                'tab' => $toc,
160                'count' => null,
161            );
162        }
163
164        if($this->plugins['tagging']) {
165            $tabs[] = array(
166                'id' => 'spr__tab-tags',
167                'label' => tpl_getLang('tab_tags'),
168                'tab' => $this->plugins['tagging']->tpl_tags(false),
169                'count' => count($this->plugins['tagging']->findItems(array('pid' => $INFO['id']), 'tag')),
170            );
171        }
172
173        if ($this->plugins['magicmatcher']) {
174            $tabs[] = array(
175                'id' => 'spr__tab-issues',
176                'label' => tpl_getLang('tab_issues'),
177                'tab' => $this->plugins['magicmatcher']->getIssueListHTML(),
178                'count' =>  $this->plugins['magicmatcher']->getCountIssues(),
179            );
180        }
181
182        return $tabs;
183    }
184
185    /**
186     * Creates an image tag and includes the first found image correctly resized
187     *
188     * @param string $tag
189     * @param array $attributes
190     * @param int $w
191     * @param int $h
192     * @return string
193     */
194    public static function getResizedImgTag($tag, $attributes, $w, $h) {
195        $attr = '';
196        $medias = array();
197
198        // the attribute having an array defines where the image goes
199        foreach($attributes as $attribute => $data) {
200            if(is_array($data)) {
201                $medias = $data;
202                $attr = $attribute;
203            }
204        }
205        // if the image attribute could not be found return
206        if(!$attr || !$medias) return '';
207
208        // try all medias until an existing one is found
209        $media = '';
210        foreach($medias as $media) {
211            if(file_exists(mediaFN($media))) break;
212            $media = '';
213        }
214        if($media === '') return '';
215
216        // replace the array
217        $media = ml($media, array('w' => $w, 'h' => $h, 'crop' => 1), true, '&');
218        $attributes[$attr] = $media;
219
220        // return the full tag
221        return '<' . $tag . ' ' . buildAttributes($attributes) . ' />' . "\n";
222    }
223
224    /**
225     * Embed the main logo
226     *
227     * Tries a few different locations
228     */
229    public function mainLogo() {
230        global $conf;
231
232        // homepage logo should not link to itself (BITV accessibility requirement)
233        $linkit = (strcmp(wl(), $_SERVER['REQUEST_URI']) !== 0);
234        if($linkit) {
235            $title = $conf['title'] . tpl_getLang('adjunct_linked_logo_text');
236        } else {
237            $title = tpl_getLang('adjunct_start_logo_text') . $conf['title'];
238        }
239
240        $desktop = self::getResizedImgTag(
241            'img',
242            array(
243                'class' => 'mobile-hide',
244                'src' => array('wiki:logo-wide.png', 'wiki:logo.png'),
245                'alt' => $title,
246            ),
247            0, 0
248        );
249        $mobile = self::getResizedImgTag(
250            'img',
251            array(
252                'class' => 'mobile-only',
253                'src' => array('wiki:logo-32x32.png', 'wiki:favicon.png', 'wiki:logo-square.png', 'wiki:logo.png'),
254                'alt' => $title,
255            ),
256            32, 32
257        );
258
259        // homepage logo should not link to itself (BITV accessibility requirement)
260        if($linkit) {
261            tpl_link(wl(), $desktop, 'accesskey="h" title="[H]"');
262            tpl_link(wl(), $mobile, 'accesskey="h" title="[H]"');
263        } else {
264            echo $desktop;
265            echo $mobile;
266        }
267    }
268
269    /**
270     * Add the current mode information to the hierarchical breadcrumbs
271     */
272    public function breadcrumbSuffix() {
273        global $ACT;
274        global $lang;
275        global $INPUT;
276        global $ID;
277        global $conf;
278        global $IMG;
279        if($ACT == 'show') return;
280
281        // find an apropriate label for the current mode
282        if($ACT) {
283            $label = tpl_getLang('mode_' . $ACT);
284            if(!$label) {
285                if(isset($lang['btn_' . $ACT])) {
286                    $label = $lang['btn_' . $ACT];
287                } else {
288                    $label = $ACT;
289                }
290            }
291        } else {
292            // actually we would need to create a proper namespace breadcrumb path here,
293            // but this is the most simplest thing we can do for now
294            if(defined('DOKU_MEDIADETAIL')) {
295                $label = hsc(noNS($IMG));
296            } else {
297                return;
298            }
299        }
300
301        if($ACT == 'admin' && $INPUT->has('page')) {
302            $link = wl($ID, array('do' => 'admin'));
303            echo '<bdi> : <a href="' . $link . '"><strong>' . $label . '</strong></a></bdi>';
304
305            /** @var \DokuWiki_Admin_Plugin $plugin */
306            $plugin = plugin_load('admin', $INPUT->str('page'));
307            if(!$plugin) return;
308
309            $label = $plugin->getMenuText($conf['lang']);
310        }
311
312        echo '<bdi><span class="curid"> : <strong>' . $label . '</strong></span></bdi>';
313    }
314}
315