/[drupal]/contributions/modules/drutex/drutex.module
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revision 1.23, Sun Sep 9 19:02:44 2007 UTC revision 1.23.4.1, Mon Nov 17 09:05:36 2008 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: drutex.module,v 1.22 2007/09/09 18:57:38 darthsteven Exp $  // $Id: drutex.module,v 1.20.2.3 2008/01/16 01:06:00 darthsteven Exp $
3    
4  /**  /**
5   * @file   * @file
# Line 7  Line 7 
7   */   */
8    
9  /**  /**
10     * Implementation of hook_link().
11     */
12    
13    function drutex_link($type, $node = NULL, $teaser = FALSE) {
14      $links = array();
15      if ($type == 'node') {
16        $format = $node->format;
17        foreach (drutex_submodule_list($format) as $submodule) {
18          if (drutex_submodule_is_active($submodule, $format)) {
19            $linkfunction = 'drutex_'. $submodule .'_link';
20            if (function_exists($linkfunction)) {
21              $result = $linkfunction($type, $node, $teaser);
22              if (isset($result) && is_array($result)) {
23                $links = array_merge($links, $result);
24              }
25              elseif (isset($result)) {
26                $links[] = $result;
27              }
28            }
29          }
30        }
31      }
32      return $links;
33    }
34    
35    /**
36     * Implementation of hook_help().
37     */
38    function drutex_help($path, $arg) {
39      switch ($path) {
40        case 'admin/modules#description':
41          return t('Allows users to render LaTeX/TeX in many different ways.');
42      }
43    }
44    
45    /**
46     * Implementation of hook_filter_tips().
47     */
48    function drutex_filter_tips($delta, $format, $long) {
49      $output = '';
50        $output .= t('LaTex commands embedded in text will be interpreted and rendered. Additional information can be found at <a href ="http://groups.drupal.org/node/1263"> DruTex Documentation Pages </a>');
51        $output .= '<ul>';
52        foreach (drutex_submodule_list($format) as $submodule) {
53          if (drutex_submodule_is_active($submodule, $format)) {
54            $helpfunction = 'drutex_'. $submodule .'_filter_tips';
55            if (function_exists($helpfunction)) {
56              $res = $helpfunction($delta, $format, $long);
57              if ($res != '') {
58                $output .= '<li>'. $res .'</li>';
59              }
60            }
61          }
62        }
63        $ouptut .= '</ul>';
64      return $output;
65    }
66    
67    /**
68   * Implementation of hook_filter().   * Implementation of hook_filter().
69   */   */
70  function drutex_filter($op, $delta = 0, $format = -1, $text = '') {  function drutex_filter($op, $delta = 0, $format = -1, $text = '') {
# Line 17  function drutex_filter($op, $delta = 0, Line 75  function drutex_filter($op, $delta = 0,
75      case 'description':      case 'description':
76        return t('Allows users to render LaTeX/TeX in many different ways.');        return t('Allows users to render LaTeX/TeX in many different ways.');
77    
78      case "process":      case 'process':
79        return drutex_node2html($text, $format);        return drutex_node2html($text, $format);
80    
81      case 'settings':      case 'settings':
# Line 31  function drutex_filter($op, $delta = 0, Line 89  function drutex_filter($op, $delta = 0,
89  /**  /**
90   * Implementation of hook_menu().   * Implementation of hook_menu().
91   */   */
92  function drutex_menu($may_cache) {  function drutex_menu() {
93    $items = array();    $items = array();
94      if (drutex_submodule_is_active('remote')) {
95    if ($may_cache) {      $items['drutex/remote'] = array(
96      if (drutex_submodule_is_active('remote')) {        'title' => 'Drutex Remote Rendering',
97        $items[] = array(        'file' => 'drutex_remote.inc',
98          'path' => 'drutex/remote',        'page callback' => 'drutex_remote_do_render',
99          'title' => 'Drutex Remote Rendering',        'access callback' => 'user_access',
100          'access'=> TRUE,        'access arguments' => array('access content'),
101          'callback' => 'drutex_remote_do_render',        'type' => MENU_CALLBACK,
102          'type' => MENU_CALLBACK,      );
103          );  
104        $items['admin/settings/drutex'] = array(
105        $items[] = array(        'title' => 'DruTeX Settings',
106          'path' => 'admin/settings/drutex/remote',        'description' => 'Adjusts the settings for the remote LaTeX rendering interface',
107          'title' => 'DruTeX Settings',        'file' => 'drutex_remote.inc',
108          'description' => 'Adjusts the settings for the remote LaTeX rendering interface',        'page callback' => 'drupal_get_form',
109          'callback' => 'drupal_get_form',        'page arguments' => array('drutex_remote_admin_settings'),
110          'access' => user_access('administer site configuration'),        'access callback' => 'user_access',
111          'callback arguments' => array('drutex_remote_settings'),        'access arguments' => array('administer site configuration'),
112          );        'type' => MENU_NORMAL_ITEM,
113      }      );
114      }
115      if (drutex_submodule_is_active('pdf')) {
116        $items['drutex/pdf'] = array(
117          'title' => 'node2pdf',
118          'file' => 'drutex_pdf.inc',
119          'page callback' => 'drutex_node2pdf_wrapper',
120          'page arguments' => array(2),
121          'access callback' => 'user_access',
122          'access arguments' => array('access pdf files'),
123          'type' => MENU_CALLBACK,
124        );
125    
126        $items['drutex/latex'] = array(
127          'title' => 'node2latex',
128          'file' => 'drutex_pdf.inc',
129          'page callback' => 'drutex_node2latex_wrapper',
130          'page arguments' => array(2),
131          'access callback' => 'user_access',
132          'access arguments' => array('access latex source'),
133          'type' => MENU_CALLBACK,
134        );
135    }    }
   else {  
     if (drutex_submodule_is_active('pdf')) {  
       $items[] = array(  
         'path' => 'drutex/pdf',  
         'title' => t('node2pdf'),  
         'callback' => 'drutex_node2pdf_wrapper',  
         'access' => user_access('access pdf files'),  
         'type' => MENU_CALLBACK);  
   
       $items[] = array(  
         'path' => 'drutex/latex',  
         'title' => t('node2latex'),  
         'callback' => 'drutex_node2latex_wrapper',  
         'access' => user_access('access latex source'),  
         'type' => MENU_CALLBACK);  
     }  
   }  
   
   
136    
137    drutex_set_stylesheet();    drutex_set_stylesheet();
138    
# Line 176  function _drutex_filter_settings($format Line 236  function _drutex_filter_settings($format
236    */    */
237    
238    $image_dir = drutex_var_get("drutex_dir_images_$format");    $image_dir = drutex_var_get("drutex_dir_images_$format");
239      file_check_directory($image_dir, FILE_CREATE_DIRECTORY);
   if (!is_writable($image_dir)) {  
     if (file_exists($image_dir)) {  
       chmod($image_dir, 0777);  
     }  
     else {  
       mkdir($image_dir);  
     }  
   }  
240    
241    /* global settings    /* global settings
242       that means: settings all submodules can share       that means: settings all submodules can share
# Line 291  function drutex_set_stylesheet() { Line 343  function drutex_set_stylesheet() {
343   */   */
344  function drutex_node2html($text, $format = -1) {  function drutex_node2html($text, $format = -1) {
345    /* preprocess */    /* preprocess */
346    
347    foreach (drutex_submodule_implements('node2html_preprocess', $format) as $submodule) {    foreach (drutex_submodule_implements('node2html_preprocess', $format) as $submodule) {
348      $text = drutex_submodule_invoke($submodule, 'node2html_preprocess', $text, $format);      $text = drutex_submodule_invoke($submodule, 'node2html_preprocess', $text, $format);
349    }    }
# Line 327  function _drutex_weight_sort_cmp($a, $b) Line 380  function _drutex_weight_sort_cmp($a, $b)
380      $b->weight = 1000;      $b->weight = 1000;
381    }    }
382    if ($a->weight == $b->weight) {    if ($a->weight == $b->weight) {
383       return 0;      return 0;
384    }    }
385    return ($a->weight < $b->weight) ? -1 : 1;    return ($a->weight < $b->weight) ? -1 : 1;
386  }  }
# Line 401  function drutex_parse_attributes($subjec Line 454  function drutex_parse_attributes($subjec
454  function drutex_merge_attributes($A) {  function drutex_merge_attributes($A) {
455    $str = '';    $str = '';
456    foreach ($A as $key => $val) {    foreach ($A as $key => $val) {
457      $str .= strtolower($key) . "=\"$val\" ";      $str .= strtolower($key) ."=\"$val\" ";
458    }    }
459    return trim($str);    return trim($str);
460  }  }
# Line 438  function _drutex_hide($cmd = 'get', $sub Line 491  function _drutex_hide($cmd = 'get', $sub
491    
492    if ($cmd == 'set') {    if ($cmd == 'set') {
493      $hidden[$count] = _drutex_unescape($subject);      $hidden[$count] = _drutex_unescape($subject);
494      return _drutex_secret() . ':' . $count++ . ':';      return _drutex_secret() .':'. $count++ .':';
495    }    }
496    else if ($cmd == 'get') {    elseif ($cmd == 'get') {
497      $subject = (int)$subject;      $subject = (int)$subject;
498      return $hidden[$subject];      return $hidden[$subject];
499    }    }
# Line 507  function _drutex_unescape($text, $quote Line 560  function _drutex_unescape($text, $quote
560   */   */
561  function _drutex_create_temporary_dir($format = -1) {  function _drutex_create_temporary_dir($format = -1) {
562    static $n = 1;    static $n = 1;
563    $dir = drutex_var_get("drutex_dir_temporary_$format") . '/drutex-' . _drutex_secret() . '-' . $n++;    $dir = drutex_var_get("drutex_dir_temporary_$format") .'/drutex-'. _drutex_secret() .'-'. $n++;
564    mkdir($dir);    file_check_directory($dir, FILE_CREATE_DIRECTORY);
565    return $dir;    return $dir;
566  }  }
567    
# Line 521  function _drutex_delete_dir($dir) { Line 574  function _drutex_delete_dir($dir) {
574    if ($handle = opendir($dir)) {    if ($handle = opendir($dir)) {
575      while ($item = readdir($handle)) {      while ($item = readdir($handle)) {
576        if ($item != '.' && $item != '..') {        if ($item != '.' && $item != '..') {
577           unlink("$dir/$item");          $file = $dir .'/'. $item;
578            file_delete($file);
579        }        }
580      }      }
581      closedir($handle);      closedir($handle);
# Line 536  function _drutex_copy_dir($source, $dest Line 590  function _drutex_copy_dir($source, $dest
590    if ($handle = opendir($source)) {    if ($handle = opendir($source)) {
591      while ($item = readdir($handle)) {      while ($item = readdir($handle)) {
592        if ($item != '.' && $item != '..') {        if ($item != '.' && $item != '..') {
593          if(is_file("$source/$item")) {          $sourcefile = $source .'/'. $item;
594            copy("$source/$item", "$dest/$item");          $destfile = $dest .'/'. $item;
595          }          file_copy($sourcefile, $destfile);
596        }        }
597      }      }
598      closedir($handle);      closedir($handle);
# Line 548  function _drutex_copy_dir($source, $dest Line 602  function _drutex_copy_dir($source, $dest
602  /**  /**
603   * Get URL where the images are saved.   * Get URL where the images are saved.
604   */   */
605    
606  function drutex_get_image_url($format = -1) {  function drutex_get_image_url($format = -1) {
607    $path = drutex_var_get("drutex_url_images_$format");    $path = drutex_var_get("drutex_url_images_$format");
608    
# Line 560  function drutex_get_image_url($format = Line 615  function drutex_get_image_url($format =
615    }    }
616  }  }
617    
618    
619  /**  /**
620   * Implementation of hook_nodeapi().   * Implementation of hook_nodeapi().
621   *   *
622   * Notify all submodules when a node changed.   * Notify all submodules when a node changed.
623   */   */
624  function drutex_nodeapi(&$node, $op, $arg) {  function drutex_nodeapi(&$node, $op, $teaser = FALSE, $page = FALSE) {
625    drutex_submodule_invoke_all('nodeapi', $node, $op, $arg, "format={$node->format}");    drutex_submodule_invoke_all('nodeapi', $node, $op, $teaser, $page, "format={$node->format}");
626  }  }
627    
628  /**  /**
# Line 590  function drutex_perm() { Line 646  function drutex_perm() {
646   *   marked active in the specified input format.   *   marked active in the specified input format.
647   */   */
648  function drutex_submodule_is_active($submodule, $format = -1) {  function drutex_submodule_is_active($submodule, $format = -1) {
649    if (is_file(drupal_get_path('module', 'drutex') . "/drutex_{$submodule}.inc")) {    if (is_file(drupal_get_path('module', 'drutex') ."/drutex_{$submodule}.inc")) {
650      if ($format == -1) {      if ($format == -1) {
651        return true;        return TRUE;
652      }      }
653      else if (_format_uses_drutex($format) && drutex_var_get("drutex_{$submodule}_active_{$format}")) {      else if (_format_uses_drutex($format) && drutex_var_get("drutex_{$submodule}_active_{$format}")) {
654        return true;        return TRUE;
655      }      }
656    }    }
657    
658    return false;    return FALSE;
659  }  }
660    
661  /**  /**
# Line 615  function _format_uses_drutex($format = - Line 671  function _format_uses_drutex($format = -
671      $result = db_query("SELECT format from {filters} WHERE module = 'drutex'");      $result = db_query("SELECT format from {filters} WHERE module = 'drutex'");
672    
673      while ($obj = db_fetch_object($result)) {      while ($obj = db_fetch_object($result)) {
674        $cache[$obj->format] = true;        $cache[$obj->format] = TRUE;
675      }      }
676    
677      /* the format -1 always 'uses' DruTeX */      /* the format -1 always 'uses' DruTeX */
678      $cache[-1] = true;      $cache[-1] = TRUE;
679    }    }
680    
681    return isset($cache[$format]);    return isset($cache[$format]);
# Line 764  function drutex_submodule_invoke_all() { Line 820  function drutex_submodule_invoke_all() {
820    $hook = array_shift($args);    $hook = array_shift($args);
821    $return = array();    $return = array();
822    $format = _drutex_rewrite_format_call($args);    $format = _drutex_rewrite_format_call($args);
   
823    foreach (drutex_submodule_implements($hook, $format) as $submodule) {    foreach (drutex_submodule_implements($hook, $format) as $submodule) {
824      $result = call_user_func_array("drutex_{$submodule}_{$hook}", $args);      $result = call_user_func_array("drutex_{$submodule}_{$hook}", $args);
825      if (isset($result) && is_array($result)) {      if (isset($result) && is_array($result)) {
# Line 794  function _drutex_rewrite_format_call(&$a Line 849  function _drutex_rewrite_format_call(&$a
849    
850  $path = drupal_get_path('module', 'drutex');  $path = drupal_get_path('module', 'drutex');
851    
   
852  /* load the submodules */  /* load the submodules */
853  foreach (drutex_submodule_list() as $submodule) {  foreach (drutex_submodule_list() as $submodule) {
854    include_once("{$path}/drutex_{$submodule}.inc");    include_once("{$path}/drutex_{$submodule}.inc");
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