OSDN Git Service

BugTrack/2176 showrss: Fix character encoding issues etc.
[pukiwiki/pukiwiki.git] / plugin / tracker.inc.php
index 8b95edc..3c94911 100644 (file)
@@ -1,22 +1,25 @@
 <?php
 // PukiWiki - Yet another WikiWikiWeb clone
-// $Id: tracker.inc.php,v 1.33 2005/10/05 13:57:35 henoheno Exp $
+// tracker.inc.php
+// Copyright 2003-2017 PukiWiki Development Team
+// License: GPL v2 or (at your option) any later version
 //
 // Issue tracker plugin (See Also bugtrack plugin)
 
-// tracker_list¤Çɽ¼¨¤·¤Ê¤¤¥Ú¡¼¥¸Ì¾(Àµµ¬É½¸½¤Ç)
-// 'SubMenu'¥Ú¡¼¥¸ ¤ª¤è¤Ó '/'¤ò´Þ¤à¥Ú¡¼¥¸¤ò½ü³°¤¹¤ë
+// tracker_listで表示しないページ名(正規表現で)
+// 'SubMenu'ページ および '/'を含むページを除外する
 define('TRACKER_LIST_EXCLUDE_PATTERN','#^SubMenu$|/#');
-// À©¸Â¤·¤Ê¤¤¾ì¹ç¤Ï¤³¤Á¤é
+// 制限しない場合はこちら
 //define('TRACKER_LIST_EXCLUDE_PATTERN','#(?!)#');
 
-// ¹àÌܤμè¤ê½Ð¤·¤Ë¼ºÇÔ¤·¤¿¥Ú¡¼¥¸¤ò°ìÍ÷¤Ëɽ¼¨¤¹¤ë
+// 項目の取り出しに失敗したページを一覧に表示する
 define('TRACKER_LIST_SHOW_ERROR_PAGE',TRUE);
 
 function plugin_tracker_convert()
 {
-       global $script,$vars;
+       global $vars;
 
+       $script = get_base_uri();
        if (PKWK_READONLY) return ''; // Show nothing
 
        $base = $refer = $vars['page'];
@@ -44,7 +47,7 @@ function plugin_tracker_convert()
 
        if (!$config->read())
        {
-               return "<p>config file '".htmlspecialchars($config_name)."' not found.</p>";
+               return "<p>config file '".htmlsc($config_name)."' not found.</p>";
        }
 
        $config->config_name = $config_name;
@@ -89,7 +92,7 @@ function plugin_tracker_action()
        $config = new Config('plugin/tracker/'.$config_name);
        if (!$config->read())
        {
-               return "<p>config file '".htmlspecialchars($config_name)."' not found.</p>";
+               return "<p>config file '".htmlsc($config_name)."' not found.</p>";
        }
        $config->config_name = $config_name;
        $source = $config->page.'/page';
@@ -100,43 +103,54 @@ function plugin_tracker_action()
        {
                return array(
                        'msg'=>'cannot write',
-                       'body'=>'page name ('.htmlspecialchars($refer).') is not valid.'
+                       'body'=>'page name ('.htmlsc($refer).') is not valid.'
                );
        }
        if (!is_page($source))
        {
                return array(
                        'msg'=>'cannot write',
-                       'body'=>'page template ('.htmlspecialchars($source).') is not exist.'
+                       'body'=>'page template ('.htmlsc($source).') is not exist.'
                );
        }
-       // ¥Ú¡¼¥¸Ì¾¤ò·èÄê
+       // ページ名を決定
        $base = $post['_base'];
-       $num = 0;
-       $name = (array_key_exists('_name',$post)) ? $post['_name'] : '';
-       if (array_key_exists('_page',$post))
-       {
-               $page = $real = $post['_page'];
-       }
-       else
-       {
-               $real = is_pagename($name) ? $name : ++$num;
-               $page = get_fullname('./'.$real,$base);
-       }
-       if (!is_pagename($page))
+       if (!is_pagename($base))
        {
-               $page = $base;
-       }
-
-       while (is_page($page))
-       {
-               $real = ++$num;
-               $page = "$base/$real";
+               return array(
+                       'msg'=>'cannot write',
+                       'body'=>'page name ('.htmlsc($base).') is not valid.'
+               );
        }
-       // ¥Ú¡¼¥¸¥Ç¡¼¥¿¤òÀ¸À®
+       $name = (array_key_exists('_name',$post)) ? $post['_name'] : '';
+       $_page = (array_key_exists('_page',$post)) ? $post['_page'] : '';
+       if (is_pagename($_page)) {
+               // Create _page page if _page is in parameters
+               $page = $real = $_page;
+       } else if (is_pagename($name)) {
+               // Create "$base/$name" page if _name is in parameters
+               $real = $name;
+               $page = get_fullname('./' . $name, $base);
+       } else {
+               $page = '';
+       }
+       if (!is_pagename($page) || is_page($page)) {
+               // Need new page name => Get last article number + 1
+               $page_list = plugin_tracker_get_page_list($base, false);
+               usort($page_list, '_plugin_tracker_list_paganame_compare');
+               if (count($page_list) === 0) {
+                       $num = 1;
+               } else {
+                       $latest_page = $page_list[count($page_list) - 1]['name'];
+                       $num = intval(substr($latest_page, strlen($base) + 1)) + 1;
+               }
+               $real = '' . $num;
+               $page = $base . '/' . $num;
+       }
+       // ページデータを生成
        $postdata = plugin_tracker_get_source($source);
 
-       // µ¬Äê¤Î¥Ç¡¼¥¿
+       // è¦\8få®\9aã\81®ã\83\87ã\83¼ã\82¿
        $_post = array_merge($post,$_FILES);
        $_post['_date'] = $now;
        $_post['_page'] = $page;
@@ -146,6 +160,7 @@ function plugin_tracker_action()
 
        $fields = plugin_tracker_get_fields($page,$refer,$config);
 
+       check_editable($page, true, true);
        // Creating an empty page, before attaching files
        touch(get_filename($page));
 
@@ -171,13 +186,39 @@ function plugin_tracker_action()
 
        // Writing page data, without touch
        page_write($page, join('', $postdata));
-
-       $r_page = rawurlencode($page);
-
        pkwk_headers_sent();
-       header('Location: ' . get_script_uri() . '?' . $r_page);
+       header('Location: ' . get_page_uri($page, PKWK_URI_ROOT));
        exit;
 }
+
+/**
+ * Page_list comparator
+ */
+function _plugin_tracker_list_paganame_compare($a, $b)
+{
+       return strnatcmp($a['name'], $b['name']);
+}
+
+/**
+ * Get page list for "$page/"
+ */
+function plugin_tracker_get_page_list($page, $needs_filetime) {
+       $page_list = array();
+       $pattern = $page . '/';
+       $pattern_len = strlen($pattern);
+       foreach (get_existpages() as $p) {
+               if (strncmp($p, $pattern, $pattern_len) === 0 && pkwk_ctype_digit(substr($p, $pattern_len))) {
+                       if ($needs_filetime) {
+                               $page_list[] = array('name'=>$p,'filetime'=>get_filetime($p));
+                       } else {
+                               $page_list[] = array('name'=>$p);
+                       }
+               }
+       }
+       return $page_list;
+}
+
+
 /*
 function plugin_tracker_inline()
 {
@@ -197,7 +238,7 @@ function plugin_tracker_inline()
 
        if (!$config->read())
        {
-               return "config file '".htmlspecialchars($config_name)."' not found.";
+               return "config file '".htmlsc($config_name)."' not found.";
        }
 
        $config->config_name = $config_name;
@@ -207,44 +248,44 @@ function plugin_tracker_inline()
        return $fields[$field]->get_tag();
 }
 */
-// ¥Õ¥£¡¼¥ë¥É¥ª¥Ö¥¸¥§¥¯¥È¤ò¹½ÃÛ¤¹¤ë
+// フィールドオブジェクトを構築する
 function plugin_tracker_get_fields($base,$refer,&$config)
 {
        global $now,$_tracker_messages;
 
        $fields = array();
-       // Í½Ìó¸ì
+       // 予約語
        foreach (array(
-               '_date'=>'text',    // Åê¹ÆÆü»þ
-               '_update'=>'date',  // ºÇ½ª¹¹¿·
-               '_past'=>'past',    // ·Ð²á(passage)
-               '_page'=>'page',    // ¥Ú¡¼¥¸Ì¾
-               '_name'=>'text',    // »ØÄꤵ¤ì¤¿¥Ú¡¼¥¸Ì¾
-               '_real'=>'real',    // ¼ÂºÝ¤Î¥Ú¡¼¥¸Ì¾
-               '_refer'=>'page',   // »²¾È¸µ(¥Õ¥©¡¼¥à¤Î¤¢¤ë¥Ú¡¼¥¸)
-               '_base'=>'page',    // ´ð½à¥Ú¡¼¥¸
-               '_submit'=>'submit' // Äɲåܥ¿¥ó
+               '_date'=>'text',    // 投稿日時
+               '_update'=>'date',  // 最終更新
+               '_past'=>'past',    // 経過(passage)
+               '_page'=>'page',    // ページ名
+               '_name'=>'text',    // 指定されたページ名
+               '_real'=>'real',    // 実際のページ名
+               '_refer'=>'page',   // å\8f\82ç\85§å\85\83\83\95ã\82©ã\83¼ã\83 ã\81®ã\81\82ã\82\8bã\83\9aã\83¼ã\82¸)
+               '_base'=>'page',    // å\9fºæº\96ã\83\9aã\83¼ã\82¸
+               '_submit'=>'submit' // 追加ボタン
                ) as $field=>$class)
        {
                $class = 'Tracker_field_'.$class;
-               $fields[$field] = &new $class(array($field,$_tracker_messages["btn$field"],'','20',''),$base,$refer,$config);
+               $fields[$field] = new $class(array($field,$_tracker_messages["btn$field"],'','20',''),$base,$refer,$config);
        }
 
        foreach ($config->get('fields') as $field)
        {
-               // 0=>¹àÌÜ̾ 1=>¸«½Ð¤· 2=>·Á¼° 3=>¥ª¥×¥·¥ç¥ó 4=>¥Ç¥Õ¥©¥ë¥ÈÃÍ
+               // 0=>項目名 1=>見出し 2=>形式 3=>オプション 4=>デフォルト値
                $class = 'Tracker_field_'.$field[2];
                if (!class_exists($class))
-               { // ¥Ç¥Õ¥©¥ë¥È
+               { // デフォルト
                        $class = 'Tracker_field_text';
                        $field[2] = 'text';
                        $field[3] = '20';
                }
-               $fields[$field[0]] = &new $class($field,$base,$refer,$config);
+               $fields[$field[0]] = new $class($field,$base,$refer,$config);
        }
        return $fields;
 }
-// ¥Õ¥£¡¼¥ë¥É¥¯¥é¥¹
+// ã\83\95ã\82£ã\83¼ã\83«ã\83\89ã\82¯ã\83©ã\82¹
 class Tracker_field
 {
        var $name;
@@ -260,6 +301,10 @@ class Tracker_field
 
        function Tracker_field($field,$page,$refer,&$config)
        {
+               $this->__construct($field, $page, $refer, $config);
+       }
+       function __construct($field,$page,$refer,&$config)
+       {
                global $post;
                static $id = 0;
 
@@ -299,9 +344,9 @@ class Tracker_field_text extends Tracker_field
 
        function get_tag()
        {
-               $s_name = htmlspecialchars($this->name);
-               $s_size = htmlspecialchars($this->values[0]);
-               $s_value = htmlspecialchars($this->default_value);
+               $s_name = htmlsc($this->name);
+               $s_size = htmlsc($this->values[0]);
+               $s_value = htmlsc($this->default_value);
                return "<input type=\"text\" name=\"$s_name\" size=\"$s_size\" value=\"$s_value\" />";
        }
 }
@@ -341,10 +386,10 @@ class Tracker_field_textarea extends Tracker_field
 
        function get_tag()
        {
-               $s_name = htmlspecialchars($this->name);
-               $s_cols = htmlspecialchars($this->values[0]);
-               $s_rows = htmlspecialchars($this->values[1]);
-               $s_value = htmlspecialchars($this->default_value);
+               $s_name = htmlsc($this->name);
+               $s_cols = htmlsc($this->values[0]);
+               $s_rows = htmlsc($this->values[1]);
+               $s_value = htmlsc($this->default_value);
                return "<textarea name=\"$s_name\" cols=\"$s_cols\" rows=\"$s_rows\">$s_value</textarea>";
        }
        function format_cell($str)
@@ -366,7 +411,11 @@ class Tracker_field_format extends Tracker_field
 
        function Tracker_field_format($field,$page,$refer,&$config)
        {
-               parent::Tracker_field($field,$page,$refer,$config);
+               $this->__construct($field, $page, $refer, $config);
+       }
+       function __construct($field,$page,$refer,&$config)
+       {
+               parent::__construct($field,$page,$refer,$config);
 
                foreach ($this->config->get($this->name) as $option)
                {
@@ -383,8 +432,8 @@ class Tracker_field_format extends Tracker_field
        }
        function get_tag()
        {
-               $s_name = htmlspecialchars($this->name);
-               $s_size = htmlspecialchars($this->values[0]);
+               $s_name = htmlsc($this->name);
+               $s_size = htmlsc($this->values[0]);
                return "<input type=\"text\" name=\"$s_name\" size=\"$s_size\" />";
        }
        function get_key($str)
@@ -412,8 +461,8 @@ class Tracker_field_file extends Tracker_field_format
 
        function get_tag()
        {
-               $s_name = htmlspecialchars($this->name);
-               $s_size = htmlspecialchars($this->values[0]);
+               $s_name = htmlsc($this->name);
+               $s_size = htmlsc($this->values[0]);
                return "<input type=\"file\" name=\"$s_name\" size=\"$s_size\" />";
        }
        function format_value($str)
@@ -422,12 +471,12 @@ class Tracker_field_file extends Tracker_field_format
                {
                        require_once(PLUGIN_DIR.'attach.inc.php');
                        $result = attach_upload($_FILES[$this->name],$this->page);
-                       if ($result['result']) // ¥¢¥Ã¥×¥í¡¼¥ÉÀ®¸ù
+                       if ($result['result']) // アップロード成功
                        {
                                return parent::format_value($this->page.'/'.$_FILES[$this->name]['name']);
                        }
                }
-               // ¥Õ¥¡¥¤¥ë¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¤«¡¢¥¢¥Ã¥×¥í¡¼¥É¤Ë¼ºÇÔ
+               // ファイルが指定されていないか、アップロードに失敗
                return parent::format_value('');
        }
 }
@@ -437,12 +486,12 @@ class Tracker_field_radio extends Tracker_field_format
 
        function get_tag()
        {
-               $s_name = htmlspecialchars($this->name);
+               $s_name = htmlsc($this->name);
                $retval = '';
                $id = 0;
                foreach ($this->config->get($this->name) as $option)
                {
-                       $s_option = htmlspecialchars($option[0]);
+                       $s_option = htmlsc($option[0]);
                        $checked = trim($option[0]) == trim($this->default_value) ? ' checked="checked"' : '';
                        ++$id;
                        $s_id = '_p_tracker_' . $s_name . '_' . $this->id . '_' . $id;
@@ -473,9 +522,9 @@ class Tracker_field_select extends Tracker_field_radio
 
        function get_tag($empty=FALSE)
        {
-               $s_name = htmlspecialchars($this->name);
+               $s_name = htmlsc($this->name);
                $s_size = (array_key_exists(0,$this->values) and is_numeric($this->values[0])) ?
-                       ' size="'.htmlspecialchars($this->values[0]).'"' : '';
+                       ' size="'.htmlsc($this->values[0]).'"' : '';
                $s_multiple = (array_key_exists(1,$this->values) and strtolower($this->values[1]) == 'multiple') ?
                        ' multiple="multiple"' : '';
                $retval = "<select name=\"{$s_name}[]\"$s_size$s_multiple>\n";
@@ -486,7 +535,7 @@ class Tracker_field_select extends Tracker_field_radio
                $defaults = array_flip(preg_split('/\s*,\s*/',$this->default_value,-1,PREG_SPLIT_NO_EMPTY));
                foreach ($this->config->get($this->name) as $option)
                {
-                       $s_option = htmlspecialchars($option[0]);
+                       $s_option = htmlsc($option[0]);
                        $selected = array_key_exists(trim($option[0]),$defaults) ? ' selected="selected"' : '';
                        $retval .= " <option value=\"$s_option\"$selected>$s_option</option>\n";
                }
@@ -501,13 +550,13 @@ class Tracker_field_checkbox extends Tracker_field_radio
 
        function get_tag($empty=FALSE)
        {
-               $s_name = htmlspecialchars($this->name);
+               $s_name = htmlsc($this->name);
                $defaults = array_flip(preg_split('/\s*,\s*/',$this->default_value,-1,PREG_SPLIT_NO_EMPTY));
                $retval = '';
                $id = 0;
                foreach ($this->config->get($this->name) as $option)
                {
-                       $s_option = htmlspecialchars($option[0]);
+                       $s_option = htmlsc($option[0]);
                        $checked = array_key_exists(trim($option[0]),$defaults) ?
                                ' checked="checked"' : '';
                        ++$id;
@@ -526,8 +575,8 @@ class Tracker_field_hidden extends Tracker_field_radio
 
        function get_tag($empty=FALSE)
        {
-               $s_name = htmlspecialchars($this->name);
-               $s_default = htmlspecialchars($this->default_value);
+               $s_name = htmlsc($this->name);
+               $s_default = htmlsc($this->default_value);
                $retval = "<input type=\"hidden\" name=\"$s_name\" value=\"$s_default\" />\n";
 
                return $retval;
@@ -537,10 +586,10 @@ class Tracker_field_submit extends Tracker_field
 {
        function get_tag()
        {
-               $s_title = htmlspecialchars($this->title);
-               $s_page = htmlspecialchars($this->page);
-               $s_refer = htmlspecialchars($this->refer);
-               $s_config = htmlspecialchars($this->config->config_name);
+               $s_title = htmlsc($this->title);
+               $s_page = htmlsc($this->page);
+               $s_refer = htmlsc($this->refer);
+               $s_config = htmlsc($this->config->config_name);
 
                return <<<EOD
 <input type="submit" value="$s_title" />
@@ -574,10 +623,10 @@ class Tracker_field_past extends Tracker_field
        }
 }
 ///////////////////////////////////////////////////////////////////////////
-// °ìÍ÷ɽ¼¨
+// 一覧表示
 function plugin_tracker_list_convert()
 {
-       global $vars;
+       global $vars, $_title_cannotread;
 
        $config = 'default';
        $page = $refer = $vars['page'];
@@ -602,11 +651,15 @@ function plugin_tracker_list_convert()
                                list($config,$list) = array_pad(explode('/',$config,2),2,$list);
                }
        }
+       if (!is_page_readable($page)) {
+               $body = str_replace('$1', htmlsc($page), $_title_cannotread);
+               return $body;
+       }
        return plugin_tracker_getlist($page,$refer,$config,$list,$order,$limit);
 }
 function plugin_tracker_list_action()
 {
-       global $script,$vars,$_tracker_messages;
+       global $vars, $_tracker_messages, $_title_cannotread;
 
        $page = $refer = $vars['refer'];
        $s_page = make_pagelink($page);
@@ -614,6 +667,13 @@ function plugin_tracker_list_action()
        $list = array_key_exists('list',$vars) ? $vars['list'] : 'list';
        $order = array_key_exists('order',$vars) ? $vars['order'] : '_real:SORT_DESC';
 
+       if (!is_page_readable($page)) {
+               $body = str_replace('$1', htmlsc($page), $_title_cannotread);
+               return array(
+                       'msg' => $body,
+                       'body' => $body
+               );
+       }
        return array(
                'msg' => $_tracker_messages['msg_list'],
                'body'=> str_replace('$1',$s_page,$_tracker_messages['msg_back']).
@@ -626,7 +686,7 @@ function plugin_tracker_getlist($page,$refer,$config_name,$list,$order='',$limit
 
        if (!$config->read())
        {
-               return "<p>config file '".htmlspecialchars($config_name)."' is not exist.";
+               return "<p>config file '".htmlsc($config_name)."' is not exist.</p>";
        }
 
        $config->config_name = $config_name;
@@ -636,12 +696,12 @@ function plugin_tracker_getlist($page,$refer,$config_name,$list,$order='',$limit
                return "<p>config file '".make_pagelink($config->page.'/'.$list)."' not found.</p>";
        }
 
-       $list = &new Tracker_list($page,$refer,$config,$list);
+       $list = new Tracker_list($page,$refer,$config,$list);
        $list->sort($order);
        return $list->toString($limit);
 }
 
-// °ìÍ÷¥¯¥é¥¹
+// ä¸\80覧ã\82¯ã\83©ã\82¹
 class Tracker_list
 {
        var $page;
@@ -652,20 +712,25 @@ class Tracker_list
        var $pattern_fields;
        var $rows;
        var $order;
+       var $sort_keys;
 
        function Tracker_list($page,$refer,&$config,$list)
        {
+               $this->__construct($page, $refer, $config, $list);
+       }
+       function __construct($page,$refer,&$config,$list)
+       {
                $this->page = $page;
                $this->config = &$config;
                $this->list = $list;
                $this->fields = plugin_tracker_get_fields($page,$refer,$config);
 
                $pattern = join('',plugin_tracker_get_source($config->page.'/page'));
-               // ¥Ö¥í¥Ã¥¯¥×¥é¥°¥¤¥ó¤ò¥Õ¥£¡¼¥ë¥É¤ËÃÖ´¹
-               // #comment¤Ê¤É¤ÇÁ°¸å¤Ëʸ»úÎó¤ÎÁý¸º¤¬¤¢¤Ã¤¿¾ì¹ç¤Ë¡¢[_block_xxx]¤ËµÛ¤¤¹þ¤Þ¤»¤ë¤è¤¦¤Ë¤¹¤ë
+               // ブロックプラグインをフィールドに置換
+               // #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
                $pattern = preg_replace('/^\#([^\(\s]+)(?:\((.*)\))?\s*$/m','[_block_$1]',$pattern);
 
-               // ¥Ñ¥¿¡¼¥ó¤òÀ¸À®
+               // パターンを生成
                $this->pattern = '';
                $this->pattern_fields = array();
                $pattern = preg_split('/\\\\\[(\w+)\\\\\]/',preg_quote($pattern,'/'),-1,PREG_SPLIT_DELIM_CAPTURE);
@@ -676,10 +741,10 @@ class Tracker_list
                        {
                                $field = array_shift($pattern);
                                $this->pattern_fields[] = $field;
-                               $this->pattern .= '(.*)';
+                               $this->pattern .= '(.*?)';
                        }
                }
-               // ¥Ú¡¼¥¸¤ÎÎóµó¤È¼è¤ê¹þ¤ß
+               // ページの列挙と取り込み
                $this->rows = array();
                $pattern = "$page/";
                $pattern_len = strlen($pattern);
@@ -700,7 +765,7 @@ class Tracker_list
        {
                static $moved = array();
 
-               // Ìµ¸Â¥ë¡¼¥×ËÉ»ß
+               // 無限ループ防止
                if (array_key_exists($name,$this->rows))
                {
                        return;
@@ -719,7 +784,7 @@ class Tracker_list
                }
                $source = join('',preg_replace('/^(\*{1,3}.*)\[#[A-Za-z][\w-]+\](.*)$/','$1$2',$source));
 
-               // ¥Ç¥Õ¥©¥ë¥ÈÃÍ
+               // デフォルト値
                $this->rows[$name] = array(
                        '_page'  => "[[$page]]",
                        '_refer' => $this->page,
@@ -736,6 +801,22 @@ class Tracker_list
                        }
                }
        }
+       function compare($a, $b)
+       {
+               foreach ($this->sort_keys as $sort_key)
+               {
+                       $field = $sort_key['field'];
+                       $dir = $sort_key['dir'];
+                       $f = $this->fields[$field];
+                       $sort_type = $f->sort_type;
+                       $aVal = isset($a[$field]) ? $f->get_value($a[$field]) : '';
+                       $bVal = isset($b[$field]) ? $f->get_value($b[$field]) : '';
+                       $c = strnatcmp($aVal, $bVal) * ($dir === SORT_ASC ? 1 : -1);
+                       if ($c === 0) continue;
+                       return $c;
+               }
+               return 0;
+       }
        function sort($order)
        {
                if ($order == '')
@@ -768,26 +849,17 @@ class Tracker_list
                        }
                        $this->order[$key] = $dir;
                }
-               $keys = array();
-               $params = array();
+               $sort_keys = array();
                foreach ($this->order as $field=>$order)
                {
                        if (!array_key_exists($field,$names))
                        {
                                continue;
                        }
-                       foreach ($this->rows as $row)
-                       {
-                               $keys[$field][] = $this->fields[$field]->get_value($row[$field]);
-                       }
-                       $params[] = $keys[$field];
-                       $params[] = $this->fields[$field]->sort_type;
-                       $params[] = $order;
-
+                       $sort_keys[] = array('field' => $field, 'dir' => $order);
                }
-               $params[] = &$this->rows;
-
-               call_user_func_array('array_multisort',$params);
+               $this->sort_keys = $sort_keys;
+               usort($this->rows, array($this, 'compare'));
        }
        function replace_item($arr)
        {
@@ -819,8 +891,6 @@ class Tracker_list
        }
        function replace_title($arr)
        {
-               global $script;
-
                $field = $sort = $arr[1];
                if ($sort == '_name' or $sort == '_page')
                {
@@ -858,6 +928,7 @@ class Tracker_list
                                $_order[] = "$key:$value";
                $r_order = rawurlencode(join(';',$_order));
 
+               $script = get_base_uri(PKWK_URI_ABSOLUTE);
                return "[[$title$arrow>$script?plugin=tracker_list&refer=$r_page&config=$r_config&list=$r_list&order=$r_order]]";
        }
        function toString($limit=NULL)
@@ -901,7 +972,7 @@ class Tracker_list
                        {
                                if (trim($line) == '')
                                {
-                                       $source .= $line;
+                                       // Ignore empty line
                                        continue;
                                }
                                $this->pipe = ($line{0} == '|' or $line{0} == ':');
@@ -914,9 +985,11 @@ class Tracker_list
 function plugin_tracker_get_source($page)
 {
        $source = get_source($page);
-       // ¸«½Ð¤·¤Î¸ÇÍ­IDÉô¤òºï½ü
-       $source = preg_replace('/^(\*{1,3}.*)\[#[A-Za-z][\w-]+\](.*)$/m','$1$2',$source);
-       // #freeze¤òºï½ü
-       return preg_replace('/^#freeze\s*$/im', '', $source);
+       // Delete anchor part of Headings (Example: "*Heading1 [#id] AAA" to "*Heading1 AAA")
+       $s2 = preg_replace('/^(\*{1,3}.*)\[#[A-Za-z][\w-]+\](.*)$/m','$1$2',$source);
+       // Delete #freeze
+       $s3 = preg_replace('/^#freeze\s*$/im', '', $s2);
+       // Delete #author line
+       $s4 = preg_replace('/^#author\b[^\r\n]*$/im', '', $s3);
+       return $s4;
 }
-?>