xref: /plugin/menu/syntax.php (revision ddbf076642d83bcfaff503eeca911161411afab3)
1<?php
2/**
3 * Plugin: Displays a link list in a nice way
4 *
5 * Syntax: <menu col=2,align=center,caption="headline">
6 *           <item>name|description|link|image</item>
7 *         </menu>
8 *
9 * Options have to be separated by comma.
10 * col (opt)     The number of columns of the menu. Allowed are 1-4, default is 1
11 * align (opt)   Alignment of the menu. Allowed are "left", "center" or "right",
12 *               default is "left"
13 * caption (opt) Headline of the menu, default is none
14 *
15 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
16 * @author     Matthias Grimm <matthiasgrimm@users.sourceforge.net>
17 * @author     Frank Schiebel <frank@linuxmuster.net>
18 */
19
20if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
21if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
22require_once(DOKU_PLUGIN.'syntax.php');
23
24/**
25 * All DokuWiki plugins to extend the parser/rendering mechanism
26 * need to inherit from this class
27 */
28class syntax_plugin_menu extends DokuWiki_Syntax_Plugin {
29
30    var $rcmd = array();  /**< Command array for the renderer */
31
32    function __construct() {
33    }
34
35
36   /**
37    * Get an associative array with plugin info.
38    *
39    * <p>
40    * The returned array holds the following fields:
41    * <dl>
42    * <dt>author</dt><dd>Author of the plugin</dd>
43    * <dt>email</dt><dd>Email address to contact the author</dd>
44    * <dt>date</dt><dd>Last modified date of the plugin in
45    * <tt>YYYY-MM-DD</tt> format</dd>
46    * <dt>name</dt><dd>Name of the plugin</dd>
47    * <dt>desc</dt><dd>Short description of the plugin (Text only)</dd>
48    * <dt>url</dt><dd>Website with more information on the plugin
49    * (eg. syntax description)</dd>
50    * </dl>
51    * @param none
52    * @return Array Information about this plugin class.
53    * @public
54    * @static
55    */
56    function getInfo(){
57        return array(
58            'author' => 'Matthias Grimm',
59            'email'  => 'matthiasgrimm@users.sourceforge.net',
60            'date'   => '2009-07-25',
61            'name'   => 'Menu Plugin',
62            'desc'   => 'Shows a list of links as a nice menu card',
63            'url'    => 'http://www.dokuwiki.org/wiki:plugins',
64        );
65    }
66
67   /**
68    * Get the type of syntax this plugin defines.
69    *
70    * The type of this plugin is "protected". It has a start and an end
71    * token and no other wiki commands shall be parsed between them.
72    *
73    * @param none
74    * @return String <tt>'protected'</tt>.
75    * @public
76    * @static
77    */
78    function getType(){
79        return 'protected';
80    }
81
82   /**
83    * Define how this plugin is handled regarding paragraphs.
84    *
85    * <p>
86    * This method is important for correct XHTML nesting. It returns
87    * one of the following values:
88    * </p>
89    * <dl>
90    * <dt>normal</dt><dd>The plugin can be used inside paragraphs.</dd>
91    * <dt>block</dt><dd>Open paragraphs need to be closed before
92    * plugin output.</dd>
93    * <dt>stack</dt><dd>Special case: Plugin wraps other paragraphs.</dd>
94    * </dl>
95    * @param none
96    * @return String <tt>'block'</tt>.
97    * @public
98    * @static
99    */
100    function getPType(){
101        return 'block';
102    }
103
104   /**
105    * Where to sort in?
106    *
107    * Sort the plugin in just behind the formating tokens
108    *
109    * @param none
110    * @return Integer <tt>135</tt>.
111    * @public
112    * @static
113    */
114    function getSort(){
115        return 135;
116    }
117
118   /**
119    * Connect lookup pattern to lexer.
120    *
121    * @param $aMode String The desired rendermode.
122    * @return none
123    * @public
124    * @see render()
125    */
126    function connectTo($mode) {
127       $this->Lexer->addEntryPattern('<menu>(?=.*?</menu.*?>)',$mode,'plugin_menu');
128       $this->Lexer->addEntryPattern('<menu\s[^\r\n\|]*?>(?=.*?</menu.*?>)',$mode,'plugin_menu');
129    }
130
131    function postConnect() {
132      $this->Lexer->addPattern('<item>.+?</item>','plugin_menu');
133      $this->Lexer->addExitPattern('</menu>','plugin_menu');
134    }
135
136   /**
137    * Handler to prepare matched data for the rendering process.
138    *
139    * <p>
140    * The <tt>$aState</tt> parameter gives the type of pattern
141    * which triggered the call to this method:
142    * </p>
143    * <dl>
144    * <dt>DOKU_LEXER_ENTER</dt>
145    * <dd>a pattern set by <tt>addEntryPattern()</tt></dd>
146    * <dt>DOKU_LEXER_MATCHED</dt>
147    * <dd>a pattern set by <tt>addPattern()</tt></dd>
148    * <dt>DOKU_LEXER_EXIT</dt>
149    * <dd> a pattern set by <tt>addExitPattern()</tt></dd>
150    * <dt>DOKU_LEXER_SPECIAL</dt>
151    * <dd>a pattern set by <tt>addSpecialPattern()</tt></dd>
152    * <dt>DOKU_LEXER_UNMATCHED</dt>
153    * <dd>ordinary text encountered within the plugin's syntax mode
154    * which doesn't match any pattern.</dd>
155    * </dl>
156    * @param $aMatch String The text matched by the patterns.
157    * @param $aState Integer The lexer state for the match.
158    * @param $aPos Integer The character position of the matched text.
159    * @param $aHandler Object Reference to the Doku_Handler object.
160    * @return Integer The current lexer state for the match.
161    * @public
162    * @see render()
163    * @static
164    */
165    function handle($match, $state, $pos, Doku_Handler $handler)
166    {
167        switch ($state) {
168            case DOKU_LEXER_ENTER:
169                $this->_reset();        // reset object;
170
171                $opts = $this->_parseOptions(trim(substr($match,5,-1)));
172                $col = $opts['col'];
173                if (!empty($col) && is_numeric($col) && $col > 0 && $col < 5)
174                    $this->rcmd['columns'] = $col;
175                if ($opts['align'] == "left")   $this->rcmd['float'] = "left";
176                if ($opts['align'] == "center") $this->rcmd['float'] = "center";
177                if ($opts['align'] == "right")  $this->rcmd['float'] = "right";
178                if ($opts['valign'] == "top")   $this->rcmd['valign'] = "vtop";
179                if ($opts['valign'] == "center") $this->rcmd['valign'] = "vcenter";
180                if ($opts['valign'] == "bottom")  $this->rcmd['valign'] = "vbottom";
181                if (!empty($opts['caption']))
182                    $this->rcmd['caption'] = hsc($opts['caption']);
183                if (!empty($opts['type']))
184                    $this->rcmd['type'] = hsc($opts['type']);
185                if (!empty($opts['width']))
186                    $this->rcmd['width'] = hsc($opts['width']);
187                $this->rcmd['wrap'] = !empty($opts['wrap']);
188            break;
189          case DOKU_LEXER_MATCHED:
190
191                $menuitem = preg_split('/\|/', trim(substr($match,6,-7)));
192
193                $title = hsc($menuitem[0]);
194                if (substr($menuitem[2],0,2) == "{{")
195                    $link = $this->_itemimage($menuitem[2], $title);
196                else
197                    $link = $this->_itemLink($menuitem[2], $title);
198                $image = $this->_itemimage($menuitem[3], $title);
199
200                $this->rcmd['items'][] = array("image" => $image,
201                                               "link"  => $link,
202                                               "descr" => hsc($menuitem[1]));
203
204                if (!empty($opts['width'])) {
205                    // find out how much space the biggest menu item needs
206                    $titlelen = mb_strlen($menuitem[0], "UTF-8");
207                    if ($titlelen > $this->rcmd['width'])
208                        $this->rcmd['width'] = $titlelen;
209                }
210            break;
211          case DOKU_LEXER_EXIT:
212              // give the menu a convinient width. IE6 needs more space here than Firefox
213              if (!empty($opts['width'])) {
214                  $this->rcmd['width'] += 5;
215              }
216              return $this->rcmd;
217          default:
218            break;
219        }
220        return array();
221    }
222
223    function _reset()
224    {
225        $this->rcmd = array();
226        $this->rcmd['columns'] = 1;
227        $this->rcmd['float']   = "left";
228        $this->rcmd['valign']  = "vtop";
229    }
230
231    function _itemlink($match, $title) {
232        // Strip the opening and closing markup
233        $link = preg_replace(array('/^\[\[/','/\]\]$/u'),'',$match);
234
235        // Split title from URL
236        $link = explode('|',$link,2);
237        $ref  = trim($link[0]);
238
239        //decide which kind of link it is
240        if ( preg_match('/^[a-zA-Z0-9\.]+>{1}.*$/u',$ref) ) {
241            // Interwiki
242            $interwiki = explode('>',$ref,2);
243            return array('interwikilink',
244                         array($ref,$title,strtolower($interwiki[0]),$interwiki[1]));
245        } elseif ( preg_match('/^\\\\\\\\[\w.:?\-;,]+?\\\\/u',$ref) ) {
246            // Windows Share
247            return array('windowssharelink', array($ref,$title));
248        } elseif ( preg_match('#^([a-z0-9\-\.+]+?)://#i',$ref) ) {
249            // external link (accepts all protocols)
250            return array('externallink', array($ref,$title));
251        } elseif ( preg_match('<'.PREG_PATTERN_VALID_EMAIL.'>',$ref) ) {
252            // E-Mail (pattern above is defined in inc/mail.php)
253            return array('emaillink', array($ref,$title));
254        } elseif ( preg_match('!^#.+!',$ref) ) {
255            // local link
256            return array('locallink', array(substr($ref,1),$title));
257        } else {
258            // internal link
259            return array('internallink', array($ref,$title));
260        }
261    }
262
263    function _itemimage($match, $title) {
264        $p = Doku_Handler_Parse_Media($match);
265
266        return array($p['type'],
267                     array($p['src'], $title, $p['align'], $p['width'],
268                     $p['height'], $p['cache'], $p['linking']));
269    }
270
271   /**
272    * Handle the actual output creation.
273    *
274    * <p>
275    * The method checks for the given <tt>$aFormat</tt> and returns
276    * <tt>FALSE</tt> when a format isn't supported. <tt>$aRenderer</tt>
277    * contains a reference to the renderer object which is currently
278    * handling the rendering. The contents of <tt>$aData</tt> is the
279    * return value of the <tt>handle()</tt> method.
280    * </p>
281    * @param $aFormat String The output format to generate.
282    * @param $aRenderer Object A reference to the renderer object.
283    * @param $aData Array The data created by the <tt>handle()</tt>
284    * method.
285    * @return Boolean <tt>TRUE</tt> if rendered successfully, or
286    * <tt>FALSE</tt> otherwise.
287    * @public
288    * @see handle()
289    */
290    function render($mode, Doku_Renderer $renderer, $data) {
291
292        if (empty($data)) return false;
293
294        if($mode == 'xhtml'){
295            if ($data['type'] != "menubar"){
296                    $renderer->doc .= '<div class="menu menu'.$data['float'].' menu'.$data['valign'].'"';
297                    $renderer->doc .= ' style="width:' . $data['width'] . '">'."\n";
298                    if (isset($data['caption']))
299                        $renderer->doc .= '<p class="caption">'.$data['caption'].'</p>'."\n";
300
301                    $width = floor(100 / $data['columns']) . '%';
302
303                    foreach($data['items'] as $item) {
304                        $renderer->doc .= '<div class="menuitem" style="width:' . $width . '">'."\n";
305
306                        // create <img .. /> tag
307                        list($type, $args) = $item['image'];
308                        list($ext,$mime,$dl) = mimetype($args[0]);
309                        $class = ($ext == 'png') ? ' png' : NULL;
310                        $img = $renderer->_media($args[0],$args[1],$class,$args[3],$args[4],$args[5]);
311
312                        // create <a href= .. /> tag
313                        list($type, $args) = $item['link'];
314                        $link = $this->_getLink($type, $args, $renderer);
315                        $link['title'] = $args[1];
316
317                        $link['name']  = $img;
318                        $renderer->doc .= $renderer->_formatLink($link);
319
320                        $link['name']  = '<span class="menutext">'.$args[1].'</span>';
321                        $renderer->doc .= '<div class="menutextcontainer">'."\n";
322                        $renderer->doc .= $renderer->_formatLink($link);
323                        $renderer->doc .= '<p class="menudesc">'.$item['descr'].'</p>';
324                        $renderer->doc .= '</div>'."\n";
325
326                        $renderer->doc .= '</div>'."\n";
327                    }
328
329                    $renderer->doc .= '</div>'."\n";
330
331                    // Clear left/right floats, unless the 'wrap' setting is enabled.
332                    if (!$data['wrap'] && ($data['float'] == "right" || $data['float'] == "left"))
333                        $renderer->doc .= '<p style="clear:both;" />';
334
335                    return true;
336            }
337            // menubar mode: 1 row with small captions
338            if ($data['type'] == "menubar"){
339                    $renderer->doc .= '<div id="menu"><ul class="menubar">'."\n";
340                  //  if (isset($data['caption']))
341                  //      $renderer->doc .= '<p class="caption">'.$data['caption'].'</p>'."\n";
342
343                    foreach($data['items'] as $item) {
344                        $renderer->doc .= '<li>'."\n";
345
346                        // create <img .. /> tag
347                        list($type, $args) = $item['image'];
348                        list($ext,$mime,$dl) = mimetype($args[0]);
349                        $class = ($ext == 'png') ? ' png' : NULL;
350                        $img = $renderer->_media($args[0],$item['descr'],$class,$args[3],$args[4],$args[5]);
351
352                        // create <a href= .. /> tag
353                        list($type, $args) = $item['link'];
354                        $link = $this->_getLink($type, $args, $renderer);
355                        $link['title'] = $args[1];
356
357                        $link['name']  = $img;
358                        $renderer->doc .= $renderer->_formatLink($link);
359
360                        $link['name']  = '<p class="menutext">'.$args[1].'</p>';
361                        $renderer->doc .= $renderer->_formatLink($link);
362                        //$renderer->doc .= '<p class="menudesc">'.$item['descr'].'</p>';
363                        $renderer->doc .= '</li>';
364                    }
365
366                    $renderer->doc .= '</ul></div>'."\n";
367
368                    return true;
369            }
370
371        }
372        return false;
373    }
374
375    function _createLink($url, $target=NULL)
376    {
377        global $conf;
378
379        $link = array();
380        $link['class']  = '';
381        $link['style']  = '';
382        $link['pre']    = '';
383        $link['suf']    = '';
384        $link['more']   = '';
385        $link['title']  = '';
386        $link['name']   = '';
387        $link['url']    = $url;
388
389        $link['target'] = $target == NULL ? '' : $conf['target'][$target];
390        if ($target == 'interwiki' && strpos($url,DOKU_URL) === 0) {
391            //we stay at the same server, so use local target
392            $link['target'] = $conf['target']['wiki'];
393        }
394
395        return $link;
396    }
397
398    function _getLink($type, $args, &$renderer)
399    {
400        global $ID;
401        global $conf;
402
403        $check = false;
404        $exists = false;
405
406        switch ($type) {
407        case 'interwikilink':
408            $url  = $renderer->_resolveInterWiki($args[2],$args[3]);
409            $link = $this->_createLink($url, 'interwiki');
410            break;
411        case 'windowssharelink':
412            $url  = str_replace('\\','/',$args[0]);
413            $url  = 'file:///'.$url;
414            $link = $this->_createLink($url, 'windows');
415            break;
416        case 'externallink':
417            $link = $this->_createLink($args[0], 'extern');
418            break;
419        case 'emaillink':
420            $address = $renderer->_xmlEntities($args[0]);
421            $address = obfuscate($address);
422            if ($conf['mailguard'] == 'visible')
423                 $address = rawurlencode($address);
424
425            $link = $this->_createLink('mailto:'.$address);
426            $link['class'] = 'JSnocheck';
427            break;
428        case 'locallink':
429            $hash = sectionID($args[0], $check);
430            $link = $this->_createLink('#'.$hash);
431            $link['class'] = "wikilink1";
432            break;
433        case 'internallink':
434            resolve_pageid(getNS($ID),$args[0],$exists);
435            $url  = wl($args[0]);
436            list($id,$hash) = explode('#',$args[0],2);
437            if (!empty($hash)) $hash = sectionID($hash, $check);
438            if ($hash) $url .= '#'.$hash;    //keep hash anchor
439
440            $link = $this->_createLink($url, 'wiki');
441            $link['class'] = $exists ? 'wikilink1' : 'wikilink2';
442            break;
443        case 'internalmedia':
444            resolve_mediaid(getNS($ID),$args[0], $exists);
445            $url  = ml($args[0],array('id'=>$ID,'cache'=>$args[5]),true);
446            $link = $this->_createLink($url);
447            if (!$exists) $link['class'] = 'wikilink2';
448            break;
449        case 'externalmedia':
450            $url  = ml($args[0],array('cache'=>$args[5]));
451            $link = $this->_createLink($url);
452            break;
453        }
454        return $link;
455    }
456
457   /**
458    * Parse menu options
459    *
460    *
461    * @param $string String Option string from <menu> tag.
462    * @return array of options (name >= option). the array will be empty
463    *         if no options are found
464    * @private
465    */
466    function _parseOptions($string) {
467		$data = array();
468
469		$dq    = false;
470		$iskey = true;
471		$key   = '';
472		$val   = '';
473
474		$len = strlen($string);
475		for ($i=0; $i<=$len; $i++) {
476			// done for this one?
477			if ($string[$i] == ',' || $i == $len) {
478				$key = trim($key);
479				$val = trim($val);
480				if($key && $val) $data[strtolower($key)] = $val;
481				$iskey = true;
482				$key = '';
483				$val = '';
484				continue;
485			}
486
487			// double quotes
488			if ($string[$i] == '"') {
489				$dq = $dq ? false : true;
490				continue;
491			}
492
493			// key value separator
494			if ($string[$i] == '=' && !$dq && $iskey) {
495				$iskey = false;
496				continue;
497			}
498
499			// default
500			if ($iskey)
501				$key .= $string[$i];
502			else
503				$val .= $string[$i];
504		}
505		return $data;
506    }
507
508}
509
510//Setup VIM: ex: et ts=4 enc=utf-8 :
511?>
512