tinymce.module

   1 <?php
   2 // $Id$
   3 // A collaborative project by Matt Westgate <drupal at asitis dot org>
   4 // and Richard Bennett <richard.b@gritechnologies.com>
   5
   6 /**
   7  * @file
   8  * Integrate the TinyMCE editor (http://tinymce.moxiecode.com/) into Drupal.
   9  */
  10
  11 /**
  12  * Implementation of hook_menu().
  13  *
  14  * Add the JavaScript file to the page head. Doing this in a menu hook is a
  15  * little less expensive that in *_init since we don't need to load the head for
  16  * Drupal-cached pages.
  17  *
  18  */
  19 function tinymce_menu($may_cache) {
  20   if (!$may_cache) {
  21     drupal_set_html_head('<script language="javascript" type="text/javascript" src="'. drupal_get_path('module', 'tinymce') .'/tinymce/jscripts/tiny_mce/tiny_mce.js"></script>');
  22   }
  23 }
  24
  25 /**
  26  * Implementation of hook_help().
  27  */
  28 function tinymce_help($section) {
  29   switch ($section) {
  30     case 'admin/modules#description':
  31       return t('The TinyMCE Javascript HTML WYSIWYG editor.');
  32
  33     case 'admin/settings/tinymce#pages':
  34       return "node/*\nuser/*\ncomment/*";
  35   }
  36 }
  37
  38 /**
  39  * Implementation of hook_perm().
  40  */
  41 function tinymce_perm() {
  42   return array('use tinymce');
  43 }
  44
  45 /**
  46  * Implementation of hook_settings().
  47  */
  48 function tinymce_settings() {
  49   drupal_set_title(t('TinyMCE settings'));
  50   $group = form_radios(t('Default theme'), 'tinymce_theme', variable_get('tinymce_theme', 'default'), _tinymce_get_themes());
  51   $output = form_group('', $group);
  52
  53   $group = form_radios(t('Use TinyMCE'), 'tinymce_all', variable_get('tinymce_all', 1), array(t('on specific pages'), t('on all textareas')));
  54   if (!variable_get('tinymce_all', 1)) {
  55     $group .= form_textarea(t('Pages'), 'tinymce_pages', variable_get('tinymce_pages', tinymce_help('admin/settings/tinymce#pages')), 40, 5, t("Enter one page per line as Drupal paths. The '*' character is a wildcard. Example paths are '<em>blog</em>' for the blog page and '<em>blog/*</em>' for every personal blog. '<em>&lt;front&gt;</em>' is the front page."));
  56   }
  57   $output .= form_group('', $group);
  58   return $output;
  59 }
  60
  61 function tinymce_textarea($op, $name) {
  62   if (!user_access('use tinymce')) return NULL;
  63
  64   global $user;
  65   $theme_name = $user->tinymce_theme ? $user->tinymce_theme : variable_get('tinymce_theme', 'default');
  66
  67   if ($op == 'pre' && _tinymce_page_match() && $user->tinymce_status) {
  68     global $base_url;
  69
  70 $output = <<<EOD
  71 <script language="javascript" type="text/javascript">
  72   tinyMCE.init({
  73     mode : "textareas",
  74     theme : "$theme_name",
  75     document_base_url : "$base_url/"
  76   });
  77 </script>
  78 EOD;
  79
  80     return $output;
  81   }
  82 }
  83
  84 /**
  85  * Implementation of hook_user().
  86  */
  87 function tinymce_user($type, &$edit, &$user, $category = NULL) {
  88   if ($type == 'form' && $category == 'account' && user_access('use tinymce')) {
  89     $form = form_radios(t('Use TinyMCE'), 'tinymce_status', $edit['tinymce_status'], array(t('Disabled'), t('Enabled')));
  90     if ($edit['tinymce_status']) {
  91       $form .= form_radios(t('Default theme'), 'tinymce_theme', $edit['tinymce_theme'] ? $edit['tinymce_theme'] : variable_get('tinymce_theme', 'default'), _tinymce_get_themes());
  92     }
  93     else {
  94       $form .= form_hidden('tinymce_theme', $edit['tinymce_theme']);
  95     }
  96     return array(array('title' => t('TinyMCE settings'), 'data' => $form));
  97   }
  98   if ($type == 'validate') {
  99     // validate user data editing
 100     return array('tinymce_theme' => $edit['tinymce_theme'], 'tinymce_status' => $edit['tinymce_status']);
 101   }
 102 }
 103
 104 /**
 105  * Grab the themes available to TinyMCE.
 106  *
 107  * TinyMCE themes control the functionality and buttons that are available to a
 108  * user. Themes are only looked for within the default TinyMCE theme directory.
 109  *
 110  * @return
 111  *   An array of theme names.
 112  */
 113 function _tinymce_get_themes() {
 114   static $themes = array();
 115
 116   if (!$themes) {
 117     $theme_loc = drupal_get_path('module', 'tinymce') .'/tinymce/jscripts/tiny_mce/themes/';
 118     if (is_dir($theme_loc) && $dh = opendir($theme_loc)) {
 119       while (($file = readdir($dh)) !== false) {
 120         if ($file != '.' && $file != '..' && is_dir($theme_loc . $file)) {
 121           $themes[$file] = $file;
 122         }
 123       }
 124       closedir($dh);
 125       asort($themes);
 126     }
 127   }
 128
 129   return $themes;
 130 }
 131
 132 /**
 133  * Determine if TinyMCE can render the current page.
 134  *
 135  * @return
 136  *   TRUE if can render, FALSE if not allowed.
 137  */
 138 function _tinymce_page_match() {
 139   $edit = $_POST['edit'];
 140
 141   //Kill TinyMCE if we're editing a textarea with PHP in it!
 142   if ($edit) {
 143     if ($edit['format'] == 2) {
 144       return FALSE;
 145     }
 146   }
 147   else {
 148     // PHP input formats are #2 in the filters table.
 149     preg_match("|^node/(\d+)(/edit)$|", $_GET['q'], $match);
 150     if (intval($match[1]) > 0) {
 151       if (db_result(db_query('SELECT format FROM {node} WHERE nid = %d AND format = 2', $match[1]))) {
 152         return FALSE;
 153       }
 154     }
 155   }
 156
 157   if (variable_get('tinymce_all', 1)) {
 158     return TRUE;
 159   }
 160   else {
 161     $page_match = FALSE;
 162     $pages = variable_get('tinymce_pages', tinymce_help('admin/settings/tinymce#pages'));
 163     if ($pages) {
 164       $path = drupal_get_path_alias($_GET['q']);
 165       $regexp = '/^('. preg_replace(array('/(\r\n?|\n)/', '/\\\\\*/', '/(^|\|)\\\\<front\\\\>($|\|)/'), array('|', '.*', '\1'. variable_get('site_frontpage', 'node') .'\2'), preg_quote($pages, '/')) .')$/';
 166       $page_match = preg_match($regexp, $path);
 167     }
 168     return $page_match;
 169   }
 170 }
 171 ?>