OSDN Git Service

Fix invalid reference operator of array for usort
[pukiwiki/pukiwiki.git] / plugin / tracker.inc.php
1 <?php
2 // PukiWiki - Yet another WikiWikiWeb clone
3 // $Id: tracker.inc.php,v 1.124 2011/01/25 15:01:01 henoheno Exp $
4 // Copyright (C) 2003-2005, 2007 PukiWiki Developers Team
5 // License: GPL v2 or (at your option) any later version
6 //
7 // Issue tracker plugin (See Also bugtrack plugin)
8
9 // tracker_listで表示しないページ名(正規表現で)
10 // 'SubMenu'ページ および '/'を含むページを除外する
11 define('TRACKER_LIST_EXCLUDE_PATTERN','#^SubMenu$|/#');
12 // 制限しない場合はこちら
13 //define('TRACKER_LIST_EXCLUDE_PATTERN','#(?!)#');
14
15 // 項目の取り出しに失敗したページを一覧に表示する
16 define('TRACKER_LIST_SHOW_ERROR_PAGE',TRUE);
17
18 function plugin_tracker_convert()
19 {
20         global $script,$vars;
21
22         if (PKWK_READONLY) return ''; // Show nothing
23
24         $base = $refer = $vars['page'];
25
26         $config_name = 'default';
27         $form = 'form';
28         $options = array();
29         if (func_num_args())
30         {
31                 $args = func_get_args();
32                 switch (count($args))
33                 {
34                         case 3:
35                                 $options = array_splice($args,2);
36                         case 2:
37                                 $args[1] = get_fullname($args[1],$base);
38                                 $base = is_pagename($args[1]) ? $args[1] : $base;
39                         case 1:
40                                 $config_name = ($args[0] != '') ? $args[0] : $config_name;
41                                 list($config_name,$form) = array_pad(explode('/',$config_name,2),2,$form);
42                 }
43         }
44
45         $config = new Config('plugin/tracker/'.$config_name);
46
47         if (!$config->read())
48         {
49                 return "<p>config file '".htmlsc($config_name)."' not found.</p>";
50         }
51
52         $config->config_name = $config_name;
53
54         $fields = plugin_tracker_get_fields($base,$refer,$config);
55
56         $form = $config->page.'/'.$form;
57         if (!is_page($form))
58         {
59                 return "<p>config file '".make_pagelink($form)."' not found.</p>";
60         }
61         $retval = convert_html(plugin_tracker_get_source($form));
62         $hiddens = '';
63
64         foreach (array_keys($fields) as $name)
65         {
66                 $replace = $fields[$name]->get_tag();
67                 if (is_a($fields[$name],'Tracker_field_hidden'))
68                 {
69                         $hiddens .= $replace;
70                         $replace = '';
71                 }
72                 $retval = str_replace("[$name]",$replace,$retval);
73         }
74         return <<<EOD
75 <form enctype="multipart/form-data" action="$script" method="post">
76 <div>
77 $retval
78 $hiddens
79 </div>
80 </form>
81 EOD;
82 }
83 function plugin_tracker_action()
84 {
85         global $post, $vars, $now;
86
87         if (PKWK_READONLY) die_message('PKWK_READONLY prohibits editing');
88
89         $config_name = array_key_exists('_config',$post) ? $post['_config'] : '';
90
91         $config = new Config('plugin/tracker/'.$config_name);
92         if (!$config->read())
93         {
94                 return "<p>config file '".htmlsc($config_name)."' not found.</p>";
95         }
96         $config->config_name = $config_name;
97         $source = $config->page.'/page';
98
99         $refer = array_key_exists('_refer',$post) ? $post['_refer'] : $post['_base'];
100
101         if (!is_pagename($refer))
102         {
103                 return array(
104                         'msg'=>'cannot write',
105                         'body'=>'page name ('.htmlsc($refer).') is not valid.'
106                 );
107         }
108         if (!is_page($source))
109         {
110                 return array(
111                         'msg'=>'cannot write',
112                         'body'=>'page template ('.htmlsc($source).') is not exist.'
113                 );
114         }
115         // ページ名を決定
116         $base = $post['_base'];
117         $num = 0;
118         $name = (array_key_exists('_name',$post)) ? $post['_name'] : '';
119         if (array_key_exists('_page',$post))
120         {
121                 $page = $real = $post['_page'];
122         }
123         else
124         {
125                 $real = is_pagename($name) ? $name : ++$num;
126                 $page = get_fullname('./'.$real,$base);
127         }
128         if (!is_pagename($page))
129         {
130                 $page = $base;
131         }
132
133         while (is_page($page))
134         {
135                 $real = ++$num;
136                 $page = "$base/$real";
137         }
138         // ページデータを生成
139         $postdata = plugin_tracker_get_source($source);
140
141         // 規定のデータ
142         $_post = array_merge($post,$_FILES);
143         $_post['_date'] = $now;
144         $_post['_page'] = $page;
145         $_post['_name'] = $name;
146         $_post['_real'] = $real;
147         // $_post['_refer'] = $_post['refer'];
148
149         $fields = plugin_tracker_get_fields($page,$refer,$config);
150
151         // Creating an empty page, before attaching files
152         touch(get_filename($page));
153
154         foreach (array_keys($fields) as $key)
155         {
156                 $value = array_key_exists($key,$_post) ?
157                         $fields[$key]->format_value($_post[$key]) : '';
158
159                 foreach (array_keys($postdata) as $num)
160                 {
161                         if (trim($postdata[$num]) == '')
162                         {
163                                 continue;
164                         }
165                         $postdata[$num] = str_replace(
166                                 "[$key]",
167                                 ($postdata[$num]{0} == '|' or $postdata[$num]{0} == ':') ?
168                                         str_replace('|','&#x7c;',$value) : $value,
169                                 $postdata[$num]
170                         );
171                 }
172         }
173
174         // Writing page data, without touch
175         page_write($page, join('', $postdata));
176
177         $r_page = pagename_urlencode($page);
178
179         pkwk_headers_sent();
180         header('Location: ' . get_script_uri() . '?' . $r_page);
181         exit;
182 }
183 /*
184 function plugin_tracker_inline()
185 {
186         global $vars;
187
188         if (PKWK_READONLY) return ''; // Show nothing
189
190         $args = func_get_args();
191         if (count($args) < 3)
192         {
193                 return FALSE;
194         }
195         $body = array_pop($args);
196         list($config_name,$field) = $args;
197
198         $config = new Config('plugin/tracker/'.$config_name);
199
200         if (!$config->read())
201         {
202                 return "config file '".htmlsc($config_name)."' not found.";
203         }
204
205         $config->config_name = $config_name;
206
207         $fields = plugin_tracker_get_fields($vars['page'],$vars['page'],$config);
208         $fields[$field]->default_value = $body;
209         return $fields[$field]->get_tag();
210 }
211 */
212 // フィールドオブジェクトを構築する
213 function plugin_tracker_get_fields($base,$refer,&$config)
214 {
215         global $now,$_tracker_messages;
216
217         $fields = array();
218         // 予約語
219         foreach (array(
220                 '_date'=>'text',    // 投稿日時
221                 '_update'=>'date',  // 最終更新
222                 '_past'=>'past',    // 経過(passage)
223                 '_page'=>'page',    // ページ名
224                 '_name'=>'text',    // 指定されたページ名
225                 '_real'=>'real',    // 実際のページ名
226                 '_refer'=>'page',   // 参照元(フォームのあるページ)
227                 '_base'=>'page',    // 基準ページ
228                 '_submit'=>'submit' // 追加ボタン
229                 ) as $field=>$class)
230         {
231                 $class = 'Tracker_field_'.$class;
232                 $fields[$field] = new $class(array($field,$_tracker_messages["btn$field"],'','20',''),$base,$refer,$config);
233         }
234
235         foreach ($config->get('fields') as $field)
236         {
237                 // 0=>項目名 1=>見出し 2=>形式 3=>オプション 4=>デフォルト値
238                 $class = 'Tracker_field_'.$field[2];
239                 if (!class_exists($class))
240                 { // デフォルト
241                         $class = 'Tracker_field_text';
242                         $field[2] = 'text';
243                         $field[3] = '20';
244                 }
245                 $fields[$field[0]] = new $class($field,$base,$refer,$config);
246         }
247         return $fields;
248 }
249 // フィールドクラス
250 class Tracker_field
251 {
252         var $name;
253         var $title;
254         var $values;
255         var $default_value;
256         var $page;
257         var $refer;
258         var $config;
259         var $data;
260         var $sort_type = SORT_REGULAR;
261         var $id = 0;
262
263         function Tracker_field($field,$page,$refer,&$config)
264         {
265                 global $post;
266                 static $id = 0;
267
268                 $this->id = ++$id;
269                 $this->name = $field[0];
270                 $this->title = $field[1];
271                 $this->values = explode(',',$field[3]);
272                 $this->default_value = $field[4];
273                 $this->page = $page;
274                 $this->refer = $refer;
275                 $this->config = &$config;
276                 $this->data = array_key_exists($this->name,$post) ? $post[$this->name] : '';
277         }
278         function get_tag()
279         {
280         }
281         function get_style($str)
282         {
283                 return '%s';
284         }
285         function format_value($value)
286         {
287                 return $value;
288         }
289         function format_cell($str)
290         {
291                 return $str;
292         }
293         function get_value($value)
294         {
295                 return $value;
296         }
297 }
298 class Tracker_field_text extends Tracker_field
299 {
300         var $sort_type = SORT_STRING;
301
302         function get_tag()
303         {
304                 $s_name = htmlsc($this->name);
305                 $s_size = htmlsc($this->values[0]);
306                 $s_value = htmlsc($this->default_value);
307                 return "<input type=\"text\" name=\"$s_name\" size=\"$s_size\" value=\"$s_value\" />";
308         }
309 }
310 class Tracker_field_page extends Tracker_field_text
311 {
312         var $sort_type = SORT_STRING;
313
314         function format_value($value)
315         {
316                 global $WikiName;
317
318                 $value = strip_bracket($value);
319                 if (is_pagename($value))
320                 {
321                         $value = "[[$value]]";
322                 }
323                 return parent::format_value($value);
324         }
325 }
326 class Tracker_field_real extends Tracker_field_text
327 {
328         var $sort_type = SORT_REGULAR;
329 }
330 class Tracker_field_title extends Tracker_field_text
331 {
332         var $sort_type = SORT_STRING;
333
334         function format_cell($str)
335         {
336                 make_heading($str);
337                 return $str;
338         }
339 }
340 class Tracker_field_textarea extends Tracker_field
341 {
342         var $sort_type = SORT_STRING;
343
344         function get_tag()
345         {
346                 $s_name = htmlsc($this->name);
347                 $s_cols = htmlsc($this->values[0]);
348                 $s_rows = htmlsc($this->values[1]);
349                 $s_value = htmlsc($this->default_value);
350                 return "<textarea name=\"$s_name\" cols=\"$s_cols\" rows=\"$s_rows\">$s_value</textarea>";
351         }
352         function format_cell($str)
353         {
354                 $str = preg_replace('/[\r\n]+/','',$str);
355                 if (!empty($this->values[2]) and strlen($str) > ($this->values[2] + 3))
356                 {
357                         $str = mb_substr($str,0,$this->values[2]).'...';
358                 }
359                 return $str;
360         }
361 }
362 class Tracker_field_format extends Tracker_field
363 {
364         var $sort_type = SORT_STRING;
365
366         var $styles = array();
367         var $formats = array();
368
369         function Tracker_field_format($field,$page,$refer,&$config)
370         {
371                 parent::Tracker_field($field,$page,$refer,$config);
372
373                 foreach ($this->config->get($this->name) as $option)
374                 {
375                         list($key,$style,$format) = array_pad(array_map(create_function('$a','return trim($a);'),$option),3,'');
376                         if ($style != '')
377                         {
378                                 $this->styles[$key] = $style;
379                         }
380                         if ($format != '')
381                         {
382                                 $this->formats[$key] = $format;
383                         }
384                 }
385         }
386         function get_tag()
387         {
388                 $s_name = htmlsc($this->name);
389                 $s_size = htmlsc($this->values[0]);
390                 return "<input type=\"text\" name=\"$s_name\" size=\"$s_size\" />";
391         }
392         function get_key($str)
393         {
394                 return ($str == '') ? 'IS NULL' : 'IS NOT NULL';
395         }
396         function format_value($str)
397         {
398                 if (is_array($str))
399                 {
400                         return join(', ',array_map(array($this,'format_value'),$str));
401                 }
402                 $key = $this->get_key($str);
403                 return array_key_exists($key,$this->formats) ? str_replace('%s',$str,$this->formats[$key]) : $str;
404         }
405         function get_style($str)
406         {
407                 $key = $this->get_key($str);
408                 return array_key_exists($key,$this->styles) ? $this->styles[$key] : '%s';
409         }
410 }
411 class Tracker_field_file extends Tracker_field_format
412 {
413         var $sort_type = SORT_STRING;
414
415         function get_tag()
416         {
417                 $s_name = htmlsc($this->name);
418                 $s_size = htmlsc($this->values[0]);
419                 return "<input type=\"file\" name=\"$s_name\" size=\"$s_size\" />";
420         }
421         function format_value($str)
422         {
423                 if (array_key_exists($this->name,$_FILES))
424                 {
425                         require_once(PLUGIN_DIR.'attach.inc.php');
426                         $result = attach_upload($_FILES[$this->name],$this->page);
427                         if ($result['result']) // アップロード成功
428                         {
429                                 return parent::format_value($this->page.'/'.$_FILES[$this->name]['name']);
430                         }
431                 }
432                 // ファイルが指定されていないか、アップロードに失敗
433                 return parent::format_value('');
434         }
435 }
436 class Tracker_field_radio extends Tracker_field_format
437 {
438         var $sort_type = SORT_NUMERIC;
439
440         function get_tag()
441         {
442                 $s_name = htmlsc($this->name);
443                 $retval = '';
444                 $id = 0;
445                 foreach ($this->config->get($this->name) as $option)
446                 {
447                         $s_option = htmlsc($option[0]);
448                         $checked = trim($option[0]) == trim($this->default_value) ? ' checked="checked"' : '';
449                         ++$id;
450                         $s_id = '_p_tracker_' . $s_name . '_' . $this->id . '_' . $id;
451                         $retval .= '<input type="radio" name="' .  $s_name . '" id="' . $s_id .
452                                 '" value="' . $s_option . '"' . $checked . ' />' .
453                                 '<label for="' . $s_id . '">' . $s_option . '</label>' . "\n";
454                 }
455
456                 return $retval;
457         }
458         function get_key($str)
459         {
460                 return $str;
461         }
462         function get_value($value)
463         {
464                 static $options = array();
465                 if (!array_key_exists($this->name,$options))
466                 {
467                         $options[$this->name] = array_flip(array_map(create_function('$arr','return $arr[0];'),$this->config->get($this->name)));
468                 }
469                 return array_key_exists($value,$options[$this->name]) ? $options[$this->name][$value] : $value;
470         }
471 }
472 class Tracker_field_select extends Tracker_field_radio
473 {
474         var $sort_type = SORT_NUMERIC;
475
476         function get_tag($empty=FALSE)
477         {
478                 $s_name = htmlsc($this->name);
479                 $s_size = (array_key_exists(0,$this->values) and is_numeric($this->values[0])) ?
480                         ' size="'.htmlsc($this->values[0]).'"' : '';
481                 $s_multiple = (array_key_exists(1,$this->values) and strtolower($this->values[1]) == 'multiple') ?
482                         ' multiple="multiple"' : '';
483                 $retval = "<select name=\"{$s_name}[]\"$s_size$s_multiple>\n";
484                 if ($empty)
485                 {
486                         $retval .= " <option value=\"\"></option>\n";
487                 }
488                 $defaults = array_flip(preg_split('/\s*,\s*/',$this->default_value,-1,PREG_SPLIT_NO_EMPTY));
489                 foreach ($this->config->get($this->name) as $option)
490                 {
491                         $s_option = htmlsc($option[0]);
492                         $selected = array_key_exists(trim($option[0]),$defaults) ? ' selected="selected"' : '';
493                         $retval .= " <option value=\"$s_option\"$selected>$s_option</option>\n";
494                 }
495                 $retval .= "</select>";
496
497                 return $retval;
498         }
499 }
500 class Tracker_field_checkbox extends Tracker_field_radio
501 {
502         var $sort_type = SORT_NUMERIC;
503
504         function get_tag($empty=FALSE)
505         {
506                 $s_name = htmlsc($this->name);
507                 $defaults = array_flip(preg_split('/\s*,\s*/',$this->default_value,-1,PREG_SPLIT_NO_EMPTY));
508                 $retval = '';
509                 $id = 0;
510                 foreach ($this->config->get($this->name) as $option)
511                 {
512                         $s_option = htmlsc($option[0]);
513                         $checked = array_key_exists(trim($option[0]),$defaults) ?
514                                 ' checked="checked"' : '';
515                         ++$id;
516                         $s_id = '_p_tracker_' . $s_name . '_' . $this->id . '_' . $id;
517                         $retval .= '<input type="checkbox" name="' . $s_name .
518                                 '[]" id="' . $s_id . '" value="' . $s_option . '"' . $checked . ' />' .
519                                 '<label for="' . $s_id . '">' . $s_option . '</label>' . "\n";
520                 }
521
522                 return $retval;
523         }
524 }
525 class Tracker_field_hidden extends Tracker_field_radio
526 {
527         var $sort_type = SORT_NUMERIC;
528
529         function get_tag($empty=FALSE)
530         {
531                 $s_name = htmlsc($this->name);
532                 $s_default = htmlsc($this->default_value);
533                 $retval = "<input type=\"hidden\" name=\"$s_name\" value=\"$s_default\" />\n";
534
535                 return $retval;
536         }
537 }
538 class Tracker_field_submit extends Tracker_field
539 {
540         function get_tag()
541         {
542                 $s_title = htmlsc($this->title);
543                 $s_page = htmlsc($this->page);
544                 $s_refer = htmlsc($this->refer);
545                 $s_config = htmlsc($this->config->config_name);
546
547                 return <<<EOD
548 <input type="submit" value="$s_title" />
549 <input type="hidden" name="plugin" value="tracker" />
550 <input type="hidden" name="_refer" value="$s_refer" />
551 <input type="hidden" name="_base" value="$s_page" />
552 <input type="hidden" name="_config" value="$s_config" />
553 EOD;
554         }
555 }
556 class Tracker_field_date extends Tracker_field
557 {
558         var $sort_type = SORT_NUMERIC;
559
560         function format_cell($timestamp)
561         {
562                 return format_date($timestamp);
563         }
564 }
565 class Tracker_field_past extends Tracker_field
566 {
567         var $sort_type = SORT_NUMERIC;
568
569         function format_cell($timestamp)
570         {
571                 return get_passage($timestamp,FALSE);
572         }
573         function get_value($value)
574         {
575                 return UTIME - $value;
576         }
577 }
578 ///////////////////////////////////////////////////////////////////////////
579 // 一覧表示
580 function plugin_tracker_list_convert()
581 {
582         global $vars;
583
584         $config = 'default';
585         $page = $refer = $vars['page'];
586         $field = '_page';
587         $order = '';
588         $list = 'list';
589         $limit = NULL;
590         if (func_num_args())
591         {
592                 $args = func_get_args();
593                 switch (count($args))
594                 {
595                         case 4:
596                                 $limit = is_numeric($args[3]) ? $args[3] : $limit;
597                         case 3:
598                                 $order = $args[2];
599                         case 2:
600                                 $args[1] = get_fullname($args[1],$page);
601                                 $page = is_pagename($args[1]) ? $args[1] : $page;
602                         case 1:
603                                 $config = ($args[0] != '') ? $args[0] : $config;
604                                 list($config,$list) = array_pad(explode('/',$config,2),2,$list);
605                 }
606         }
607         return plugin_tracker_getlist($page,$refer,$config,$list,$order,$limit);
608 }
609 function plugin_tracker_list_action()
610 {
611         global $script,$vars,$_tracker_messages;
612
613         $page = $refer = $vars['refer'];
614         $s_page = make_pagelink($page);
615         $config = $vars['config'];
616         $list = array_key_exists('list',$vars) ? $vars['list'] : 'list';
617         $order = array_key_exists('order',$vars) ? $vars['order'] : '_real:SORT_DESC';
618
619         return array(
620                 'msg' => $_tracker_messages['msg_list'],
621                 'body'=> str_replace('$1',$s_page,$_tracker_messages['msg_back']).
622                         plugin_tracker_getlist($page,$refer,$config,$list,$order)
623         );
624 }
625 function plugin_tracker_getlist($page,$refer,$config_name,$list,$order='',$limit=NULL)
626 {
627         $config = new Config('plugin/tracker/'.$config_name);
628
629         if (!$config->read())
630         {
631                 return "<p>config file '".htmlsc($config_name)."' is not exist.</p>";
632         }
633
634         $config->config_name = $config_name;
635
636         if (!is_page($config->page.'/'.$list))
637         {
638                 return "<p>config file '".make_pagelink($config->page.'/'.$list)."' not found.</p>";
639         }
640
641         $list = new Tracker_list($page,$refer,$config,$list);
642         $list->sort($order);
643         return $list->toString($limit);
644 }
645
646 // 一覧クラス
647 class Tracker_list
648 {
649         var $page;
650         var $config;
651         var $list;
652         var $fields;
653         var $pattern;
654         var $pattern_fields;
655         var $rows;
656         var $order;
657         var $sort_keys;
658
659         function Tracker_list($page,$refer,&$config,$list)
660         {
661                 $this->page = $page;
662                 $this->config = &$config;
663                 $this->list = $list;
664                 $this->fields = plugin_tracker_get_fields($page,$refer,$config);
665
666                 $pattern = join('',plugin_tracker_get_source($config->page.'/page'));
667                 // ブロックプラグインをフィールドに置換
668                 // #commentなどで前後に文字列の増減があった場合に、[_block_xxx]に吸い込ませるようにする
669                 $pattern = preg_replace('/^\#([^\(\s]+)(?:\((.*)\))?\s*$/m','[_block_$1]',$pattern);
670
671                 // パターンを生成
672                 $this->pattern = '';
673                 $this->pattern_fields = array();
674                 $pattern = preg_split('/\\\\\[(\w+)\\\\\]/',preg_quote($pattern,'/'),-1,PREG_SPLIT_DELIM_CAPTURE);
675                 while (count($pattern))
676                 {
677                         $this->pattern .= preg_replace('/\s+/','\\s*','(?>\\s*'.trim(array_shift($pattern)).'\\s*)');
678                         if (count($pattern))
679                         {
680                                 $field = array_shift($pattern);
681                                 $this->pattern_fields[] = $field;
682                                 $this->pattern .= '(.*?)';
683                         }
684                 }
685                 // ページの列挙と取り込み
686                 $this->rows = array();
687                 $pattern = "$page/";
688                 $pattern_len = strlen($pattern);
689                 foreach (get_existpages() as $_page)
690                 {
691                         if (strpos($_page,$pattern) === 0)
692                         {
693                                 $name = substr($_page,$pattern_len);
694                                 if (preg_match(TRACKER_LIST_EXCLUDE_PATTERN,$name))
695                                 {
696                                         continue;
697                                 }
698                                 $this->add($_page,$name);
699                         }
700                 }
701         }
702         function add($page,$name)
703         {
704                 static $moved = array();
705
706                 // 無限ループ防止
707                 if (array_key_exists($name,$this->rows))
708                 {
709                         return;
710                 }
711
712                 $source = plugin_tracker_get_source($page);
713                 if (preg_match('/move\sto\s(.+)/',$source[0],$matches))
714                 {
715                         $page = strip_bracket(trim($matches[1]));
716                         if (array_key_exists($page,$moved) or !is_page($page))
717                         {
718                                 return;
719                         }
720                         $moved[$page] = TRUE;
721                         return $this->add($page,$name);
722                 }
723                 $source = join('',preg_replace('/^(\*{1,3}.*)\[#[A-Za-z][\w-]+\](.*)$/','$1$2',$source));
724
725                 // デフォルト値
726                 $this->rows[$name] = array(
727                         '_page'  => "[[$page]]",
728                         '_refer' => $this->page,
729                         '_real'  => $name,
730                         '_update'=> get_filetime($page),
731                         '_past'  => get_filetime($page)
732                 );
733                 if ($this->rows[$name]['_match'] = preg_match("/{$this->pattern}/s",$source,$matches))
734                 {
735                         array_shift($matches);
736                         foreach ($this->pattern_fields as $key=>$field)
737                         {
738                                 $this->rows[$name][$field] = trim($matches[$key]);
739                         }
740                 }
741         }
742         function compare($a, $b)
743         {
744                 foreach ($this->sort_keys as $sort_key)
745                 {
746                         $field = $sort_key['field'];
747                         $dir = $sort_key['dir'];
748                         $f = $this->fields[$field];
749                         $sort_type = $f->sort_type;
750                         $aVal = isset($a[$field]) ? $f->get_value($a[$field]) : '';
751                         $bVal = isset($b[$field]) ? $f->get_value($b[$field]) : '';
752                         $c = strnatcmp($aVal, $bVal) * ($dir === SORT_ASC ? 1 : -1);
753                         if ($c === 0) continue;
754                         return $c;
755                 }
756                 return 0;
757         }
758         function sort($order)
759         {
760                 if ($order == '')
761                 {
762                         return;
763                 }
764                 $names = array_flip(array_keys($this->fields));
765                 $this->order = array();
766                 foreach (explode(';',$order) as $item)
767                 {
768                         list($key,$dir) = array_pad(explode(':',$item),1,'ASC');
769                         if (!array_key_exists($key,$names))
770                         {
771                                 continue;
772                         }
773                         switch (strtoupper($dir))
774                         {
775                                 case 'SORT_ASC':
776                                 case 'ASC':
777                                 case SORT_ASC:
778                                         $dir = SORT_ASC;
779                                         break;
780                                 case 'SORT_DESC':
781                                 case 'DESC':
782                                 case SORT_DESC:
783                                         $dir = SORT_DESC;
784                                         break;
785                                 default:
786                                         continue;
787                         }
788                         $this->order[$key] = $dir;
789                 }
790                 $sort_keys = array();
791                 foreach ($this->order as $field=>$order)
792                 {
793                         if (!array_key_exists($field,$names))
794                         {
795                                 continue;
796                         }
797                         $sort_keys[] = array('field' => $field, 'dir' => $order);
798                 }
799                 $this->sort_keys = $sort_keys;
800                 usort($this->rows, array($this, 'compare'));
801         }
802         function replace_item($arr)
803         {
804                 $params = explode(',',$arr[1]);
805                 $name = array_shift($params);
806                 if ($name == '')
807                 {
808                         $str = '';
809                 }
810                 else if (array_key_exists($name,$this->items))
811                 {
812                         $str = $this->items[$name];
813                         if (array_key_exists($name,$this->fields))
814                         {
815                                 $str = $this->fields[$name]->format_cell($str);
816                         }
817                 }
818                 else
819                 {
820                         return $this->pipe ? str_replace('|','&#x7c;',$arr[0]) : $arr[0];
821                 }
822                 $style = count($params) ? $params[0] : $name;
823                 if (array_key_exists($style,$this->items)
824                         and array_key_exists($style,$this->fields))
825                 {
826                         $str = sprintf($this->fields[$style]->get_style($this->items[$style]),$str);
827                 }
828                 return $this->pipe ? str_replace('|','&#x7c;',$str) : $str;
829         }
830         function replace_title($arr)
831         {
832                 global $script;
833
834                 $field = $sort = $arr[1];
835                 if ($sort == '_name' or $sort == '_page')
836                 {
837                         $sort = '_real';
838                 }
839                 if (!array_key_exists($field,$this->fields))
840                 {
841                         return $arr[0];
842                 }
843                 $dir = SORT_ASC;
844                 $arrow = '';
845                 $order = $this->order;
846
847                 if (is_array($order) && isset($order[$sort]))
848                 {
849                         // BugTrack2/106: Only variables can be passed by reference from PHP 5.0.5
850                         $order_keys = array_keys($order); // with array_shift();
851
852                         $index = array_flip($order_keys);
853                         $pos = 1 + $index[$sort];
854                         $b_end = ($sort == array_shift($order_keys));
855                         $b_order = ($order[$sort] == SORT_ASC);
856                         $dir = ($b_end xor $b_order) ? SORT_ASC : SORT_DESC;
857                         $arrow = '&br;'.($b_order ? '&uarr;' : '&darr;')."($pos)";
858
859                         unset($order[$sort], $order_keys);
860                 }
861                 $title = $this->fields[$field]->title;
862                 $r_page = rawurlencode($this->page);
863                 $r_config = rawurlencode($this->config->config_name);
864                 $r_list = rawurlencode($this->list);
865                 $_order = array("$sort:$dir");
866                 if (is_array($order))
867                         foreach ($order as $key=>$value)
868                                 $_order[] = "$key:$value";
869                 $r_order = rawurlencode(join(';',$_order));
870
871                 return "[[$title$arrow>$script?plugin=tracker_list&refer=$r_page&config=$r_config&list=$r_list&order=$r_order]]";
872         }
873         function toString($limit=NULL)
874         {
875                 global $_tracker_messages;
876
877                 $source = '';
878                 $body = array();
879
880                 if ($limit !== NULL and count($this->rows) > $limit)
881                 {
882                         $source = str_replace(
883                                 array('$1','$2'),
884                                 array(count($this->rows),$limit),
885                                 $_tracker_messages['msg_limit'])."\n";
886                         $this->rows = array_splice($this->rows,0,$limit);
887                 }
888                 if (count($this->rows) == 0)
889                 {
890                         return '';
891                 }
892                 foreach (plugin_tracker_get_source($this->config->page.'/'.$this->list) as $line)
893                 {
894                         if (preg_match('/^\|(.+)\|[hHfFcC]$/',$line))
895                         {
896                                 $source .= preg_replace_callback('/\[([^\[\]]+)\]/',array(&$this,'replace_title'),$line);
897                         }
898                         else
899                         {
900                                 $body[] = $line;
901                         }
902                 }
903                 foreach ($this->rows as $key=>$row)
904                 {
905                         if (!TRACKER_LIST_SHOW_ERROR_PAGE and !$row['_match'])
906                         {
907                                 continue;
908                         }
909                         $this->items = $row;
910                         foreach ($body as $line)
911                         {
912                                 if (trim($line) == '')
913                                 {
914                                         $source .= $line;
915                                         continue;
916                                 }
917                                 $this->pipe = ($line{0} == '|' or $line{0} == ':');
918                                 $source .= preg_replace_callback('/\[([^\[\]]+)\]/',array(&$this,'replace_item'),$line);
919                         }
920                 }
921                 return convert_html($source);
922         }
923 }
924 function plugin_tracker_get_source($page)
925 {
926         $source = get_source($page);
927         // 見出しの固有ID部を削除
928         $source = preg_replace('/^(\*{1,3}.*)\[#[A-Za-z][\w-]+\](.*)$/m','$1$2',$source);
929         // #freezeを削除
930         return preg_replace('/^#freeze\s*$/im', '', $source);
931 }
932