mod/wiki/view.php

   1 <?php  // $Id$
   2 /// Extended by Michael Schneider
   3 /// This page prints a particular instance of wiki
   4
   5     global $CFG;
   6
   7     require_once("../../config.php");
   8     require_once("lib.php");
   9 #    require_once("$CFG->dirroot/course/lib.php"); // For side-blocks
  10
  11     optional_variable($ewiki_action,"");     // Action on Wiki-Page
  12     optional_variable($id);     // Course Module ID, or
  13     optional_variable($wid);    // Wiki ID
  14     optional_variable($page, false);     // Wiki Page Name
  15     optional_variable($q,"");    // Search Context
  16     optional_variable($userid, 0);     // User wiki.
  17     optional_variable($groupid, 0);    // Group wiki.
  18     optional_variable($canceledit,"");    // Editing has been cancelled
  19
  20 /// Only want to add edit log entries if we have made some changes ie submitted a form
  21     $editsave = optional_param('thankyou');
  22
  23
  24
  25     if ($id) {
  26         if (! $cm = get_record("course_modules", "id", $id)) {
  27             error("Course Module ID was incorrect");
  28         }
  29
  30         if (! $course = get_record("course", "id", $cm->course)) {
  31             error("Course is misconfigured");
  32         }
  33
  34         if (! $wiki = get_record("wiki", "id", $cm->instance)) {
  35             error("Course module is incorrect");
  36         }
  37
  38     } else {
  39         if (! $wiki = get_record("wiki", "id", $wid)) {
  40             error("Course module is incorrect");
  41         }
  42         if (! $course = get_record("course", "id", $wiki->course)) {
  43             error("Course is misconfigured");
  44         }
  45         if (! $cm = get_coursemodule_from_instance("wiki", $wiki->id, $course->id)) {
  46             error("Course Module ID was incorrect");
  47         }
  48         $id = $cm->id;
  49         $_REQUEST["id"] = $id;
  50     }
  51
  52     require_course_login($course, true, $cm);
  53
  54     /// Add the course module 'groupmode' to the wiki object, for easy access.
  55     $wiki->groupmode = $cm->groupmode;
  56
  57     /// Default format:
  58     $moodle_format=FORMAT_MOODLE;
  59
  60     ### SAVE ID from Moodle
  61     $moodleID=@$_REQUEST["id"];
  62
  63 /// Globally disable CamelCase, if the option is selected for this wiki.
  64     $moodle_disable_camel_case = ($wiki->disablecamelcase == 1);
  65
  66     if (($wiki_entry = wiki_get_default_entry($wiki, $course, $userid, $groupid))) {
  67
  68 ///     ################# EWIKI Part ###########################
  69 ///     The wiki_entry->pagename is set to the specified value of the wiki,
  70 ///     or the default value in the 'lang' file if the specified value was empty.
  71         define("EWIKI_PAGE_INDEX",$wiki_entry->pagename);
  72
  73         /// If the page has a ' in it, it may have slashes added to it. Remove them if it does.
  74         $page = ($page === false) ?  stripslashes(EWIKI_PAGE_INDEX) : stripslashes($page);
  75
  76 ///     # Prevent ewiki getting id as PageID...
  77         unset($_REQUEST["id"]);
  78         unset($_GET["id"]);
  79         unset($_POST["id"]);
  80         unset($_POST["id"]);
  81         unset($_SERVER["QUERY_STRING"]);
  82         if (isset($HTTP_GET_VARS)) {
  83             unset($HTTP_GET_VARS["id"]);
  84         }
  85         if (isset($HTTP_POST_VARS)) {
  86             unset($HTTP_POST_VARS["id"]);
  87         }
  88         global $ewiki_title;
  89
  90 ///     #-- predefine some of the configuration constants
  91
  92
  93         /// EWIKI_NAME is defined in ewikimoodlelibs, so that also admin.php can use this
  94         #define("EWIKI_NAME", $wiki_entry->pagename);
  95
  96         /// Search Hilighting
  97         if($ewiki_title=="SearchPages") {
  98             $qArgument="&amp;q=".urlencode($q);
  99         }
 100
 101         /// Build the ewsiki script constant
 102         /// ewbase will also be needed by EWIKI_SCRIPT_BINARY
 103         $ewbase = 'view.php?id='.$moodleID;
 104         if (isset($userid) && $userid!=0) $ewbase .= '&amp;userid='.$userid;
 105         if (isset($groupid) && $groupid!=0) $ewbase .= '&amp;groupid='.$groupid;
 106         $ewscript = $ewbase.'&amp;page=';
 107         define("EWIKI_SCRIPT", $ewscript);
 108         define("EWIKI_SCRIPT_URL", $ewscript);
 109
 110         /// # Settings for this specific Wiki
 111         define("EWIKI_PRINT_TITLE", $wiki->ewikiprinttitle);
 112
 113         define("EWIKI_INIT_PAGES", wiki_content_dir($wiki));
 114
 115 ///     # fix broken PHP setup
 116         if (!function_exists("get_magic_quotes_gpc") || get_magic_quotes_gpc()) {
 117             include($CFG->dirroot."/mod/wiki/ewiki/fragments/strip_wonderful_slashes.php");
 118         }
 119         if (ini_get("register_globals")) {
 120             #    include($CFG->dirroot."/mod/wiki/ewiki/fragments/strike_register_globals.php");
 121         }
 122
 123         # Database Handler
 124         include_once($CFG->dirroot."/mod/wiki/ewikimoodlelib.php");
 125         # Plugins
 126         //include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/email_protect.php");
 127         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/patchsaving.php");
 128         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/notify.php");
 129         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/feature/imgresize_gd.php");
 130         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_highlight.php");
 131         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/f_fixhtml.php");
 132         #include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/wikinews.php");
 133         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/sitemap.php");
 134         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_wikidump.php");
 135         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/aview/backlinks.php");
 136         #include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/markup/css.php");
 137         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/markup/footnotes.php");
 138         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/diff.php");
 139         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/page/pageindex.php");
 140         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/page/orphanedpages.php");
 141         include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/wantedpages.php");
 142
 143         # Binary Handling
 144         if($wiki->ewikiacceptbinary) {
 145             define("EWIKI_UPLOAD_MAXSIZE", get_max_upload_file_size());
 146             define("EWIKI_SCRIPT_BINARY", $ewbase."&binary=");
 147             define("EWIKI_ALLOW_BINARY",1);
 148             define("EWIKI_IMAGE_CACHING",1);
 149             #define("EWIKI_AUTOVIEW",1);
 150             include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/lib/mime_magic.php");
 151             include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/aview/downloads.php");
 152             include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/downloads.php");
 153             #include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/db/binary_store.php");
 154             include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_binary_store.php");
 155         } else {
 156             define("EWIKI_SCRIPT_BINARY", 0);
 157             define("EWIKI_ALLOW_BINARY",0);
 158         }
 159
 160         # The mighty Wiki itself
 161         include_once($CFG->dirroot."/mod/wiki/ewiki/ewiki.php");
 162
 163         if($canceledit) {
 164           if ($delim = strpos($page, EWIKI_ACTION_SEP_CHAR)) {
 165             @$page = substr($page, $delim + 1);
 166           } else {
 167             @$page="";
 168           }
 169         }
 170         # Language-stuff: eWiki gets language from Browser. Lets correct it. Empty arrayelements do no harm
 171         $ewiki_t["languages"]=array(current_language(), $course->lang, $CFG->lang,"en","c");
 172
 173         # Check Access Rights
 174         $canedit = wiki_can_edit_entry($wiki_entry, $wiki, $USER, $course);
 175         if (!$canedit) {
 176             # Protected Mode
 177             unset($ewiki_plugins["action"]["edit"]);
 178             unset($ewiki_plugins["action"]["info"]);
 179         }
 180
 181         # HTML Handling
 182         $ewiki_use_editor=0;
 183         if($wiki->htmlmode == 0) {
 184             # No HTML
 185             $ewiki_config["htmlentities"]=array(); // HTML is managed by moodle
 186             $moodle_format=FORMAT_TEXT;
 187         }
 188         if($wiki->htmlmode == 1) {
 189             # Safe HTML
 190             include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_rescue_html.php");
 191             $moodle_format=FORMAT_HTML;
 192         }
 193         if($wiki->htmlmode == 2) {
 194             # HTML Only
 195             $moodle_format=FORMAT_HTML;
 196             $ewiki_use_editor=1;
 197             $ewiki_config["htmlentities"]=array(); // HTML is allowed
 198             $ewiki_config["wiki_link_regex"] = "\007 [!~]?(
 199                         \#?\[[^<>\[\]\n]+\] |
 200                         \^[-".EWIKI_CHARS_U.EWIKI_CHARS_L."]{3,} |
 201                         \b([\w]{3,}:)*([".EWIKI_CHARS_U."]+[".EWIKI_CHARS_L."]+){2,}\#?[\w\d]* |
 202                         \w[-_.+\w]+@(\w[-_\w]+[.])+\w{2,}   ) \007x";
 203         }
 204
 205         global $ewiki_author, $USER;
 206         $ewiki_author=fullname($USER);
 207         $content=ewiki_page($page);
 208         $content2='';
 209
 210         ### RESTORE ID from Moodle
 211         $_REQUEST["id"]=$moodleID;
 212         $id=$moodleID;
 213 ///     ################# EWIKI Part ###########################
 214     }
 215     else {
 216         $content = '';
 217         $content2 = '<div align="center">'.get_string('nowikicreated', 'wiki').'</div>';
 218     }
 219
 220     # Group wiki, ...: No page and no ewiki_title
 221     if(!isset($ewiki_title)) {
 222           $ewiki_title="";
 223     }
 224
 225
 226 /// Moodle Log
 227     if ($editsave != NULL) { /// We've submitted an edit and have been redirected back here
 228         add_to_log($course->id, "wiki", 'edit',
 229                addslashes("view.php?id=$cm->id&amp;groupid=$groupid&amp;userid=$userid&amp;page=$ewiki_title"),
 230                format_string($wiki->name,true).": ".$ewiki_title, $cm->id, $userid);
 231     } else if ($ewiki_action != 'edit') {
 232         add_to_log($course->id, "wiki", $ewiki_action,
 233                addslashes("view.php?id=$cm->id&amp;groupid=$groupid&amp;userid=$userid&amp;page=$ewiki_title"),
 234                format_string($wiki->name,true).": ".$ewiki_title, $cm->id, $userid);
 235     }
 236
 237
 238 /// Print the page header
 239
 240     $strwikis = get_string("modulenameplural", "wiki");
 241     $strwiki  = get_string("modulename", "wiki");
 242
 243
 244     print_header_simple($ewiki_title?$ewiki_title:format_string($wiki->name), "",
 245                 "<a href=\"index.php?id=$course->id\">$strwikis</a> -> <a href=\"view.php?id=$moodleID\">".format_string($wiki->name,true)."</a>".($ewiki_title?" -> $ewiki_title":""),
 246                 "", "", true, update_module_button($cm->id, $course->id, $strwiki),
 247                 navmenu($course, $cm));
 248
 249
 250     /// Print Page
 251     echo '    <div id="wikiPageActions">
 252     ';
 253
 254     /// The top row contains links to other wikis, if applicable.
 255     if ($wiki_list = wiki_get_other_wikis($wiki, $USER, $course, $wiki_entry->id)) {
 256         $selected="";
 257         if (isset($wiki_list['selected'])) {
 258             $selected = $wiki_list['selected'];
 259             unset($wiki_list['selected']);
 260         }
 261         echo '<tr><td colspan="2">';
 262
 263         echo '<form name="otherwikis" action="'.$CFG->wwwroot.'/mod/wiki/view.php">';
 264         echo '<table border="0" cellpadding="0" cellspacing="0" width="100%"><tr>';
 265         echo '<td class="sideblockheading">&nbsp;'
 266             .$WIKI_TYPES[$wiki->wtype].' '
 267             .get_string('modulename', 'wiki')." ".get_string('for',"wiki")." "
 268             .wiki_get_owner($wiki_entry).':</td>';
 269
 270         echo '<td class="sideblockheading" align="right">'
 271             .get_string('otherwikis', 'wiki').':&nbsp;&nbsp;';
 272         $script = 'self.location=document.otherwikis.wikiselect.options[document.otherwikis.wikiselect.selectedIndex].value';
 273         choose_from_menu($wiki_list, "wikiselect", $selected, "choose", $script);
 274         echo '</td>';
 275         echo '</tr></table>';
 276         echo '</form>';
 277
 278         echo '</td>';
 279         echo '</tr>';
 280     }
 281
 282     if ($wiki_entry) {
 283         $specialpages=array("WikiExport", "SiteMap", "SearchPages", "PageIndex","NewestPages","MostVisitedPages","MostOftenChangedPages","UpdatedPages","FileDownload","FileUpload","OrphanedPages","WantedPages");
 284     /// Page Actions
 285         echo '<table border="0" width="100%">';
 286         echo '<tr>';
 287
 288         /// Searchform
 289         echo '<td align="center">';
 290         wiki_print_search_form($cm->id, $q, $userid, $groupid, false);
 291         echo '</td>';
 292
 293         /// Internal Wikilinks
 294         echo '<td align="center">';
 295         wiki_print_wikilinks_block($cm->id,  $wiki->ewikiacceptbinary);
 296         echo '</td>';
 297
 298         /// Administrative Links
 299         if($canedit) {
 300           echo '<td align="center">';
 301           wiki_print_administration_actions($wiki, $cm->id, $userid, $groupid, $ewiki_title, $wiki->htmlmode!=2, $course);
 302           echo '</td>';
 303         }
 304
 305         /// Formatting Rules
 306         echo '<td align="right">';
 307         helpbutton('howtowiki', get_string('howtowiki', 'wiki'), 'wiki');
 308         echo '</td>';
 309
 310         echo '</tr></table>';
 311     }
 312
 313     echo '</div>
 314     <div id="wiki-view" class="mwiki">
 315     ';
 316
 317     if($ewiki_title==$wiki_entry->pagename && !empty($wiki->summary)) {
 318       if (trim(strip_tags($wiki->summary))) {
 319           print_simple_box(format_text($wiki->summary, FORMAT_MOODLE), 'center', '70%', '', 5, 'generalbox', 'intro');
 320       }
 321     }
 322
 323     // The wiki Contents
 324
 325     if (!empty($canedit)) {   /// Print tabs with commands for this page
 326         $tabs = array('view', 'edit','links','info');
 327         if ($wiki->ewikiacceptbinary) {
 328             $tabs[] = 'attachments';
 329         }
 330
 331         $tabrows = array();
 332         $row  = array();
 333         $currenttab = '';
 334         foreach ($tabs as $tab) {
 335             $tabname = get_string("tab$tab", 'wiki');
 336             $row[] = new tabobject($tabname, $ewbase.'&amp;page='.$tab.'/'.$ewiki_id, $tabname);
 337             if ($ewiki_action == "$tab" or in_array($page, $specialpages)) {
 338                 $currenttab = $tabname;
 339             }
 340         }
 341         $tabrows[] = $row;
 342
 343         print_tabs($tabrows, $currenttab);
 344     }
 345
 346
 347     print_simple_box_start('center', '100%', '', '20');
 348
 349     /// Don't filter any pages containing wiki actions (except view). A wiki page containing
 350     /// actions will have the form [action]/[pagename]. If the '/' isn't there, or the action
 351     /// is 'view', filter it. Also, if the page doesn't exist, it will default to 'edit'.
 352     $actions = explode('/', $page);
 353     if ($ewiki_action == "edit" || ($actions !== false && count($actions) > 1 && $actions[0] != 'view') ||
 354         (count($actions) == 1 && !record_exists('wiki_pages', 'pagename', addslashes($page), 'wiki', $wiki_entry->id))) {
 355         print $content;
 356     }
 357     else {
 358         print(format_text($content, $moodle_format));    /// DISABLED UNTIL IT CAN BE FIXED
 359     }
 360     print $content2;
 361     print_simple_box_end();
 362     echo "<br clear=\"all\" />";
 363
 364 /// Finish the page
 365     echo '
 366     </div>
 367     ';
 368
 369     print_footer($course);
 370 ?>