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moodle/mod/wiki/view.php

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PHP
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<?php // $Id$
/// Extended by Michael Schneider
/// This page prints a particular instance of wiki
global $CFG,$USER;
require_once("../../config.php");
require_once("lib.php");
#require_once("$CFG->dirroot/course/lib.php"); // For side-blocks
require_once($CFG->libdir . '/ajax/ajaxlib.php');
require_js(array('yui_yahoo', 'yui_event', 'yui_connection'));
$ewiki_action = optional_param('ewiki_action', '', PARAM_ALPHA); // Action on Wiki-Page
$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
$wid = optional_param('wid', 0, PARAM_INT); // Wiki ID
$page = optional_param('page', false); // Wiki Page Name
$q = optional_param('q',"", PARAM_PATH); // Search Context
$userid = optional_param('userid', 0, PARAM_INT); // User wiki.
$groupid = optional_param('groupid', 0, PARAM_INT); // Group wiki.
$canceledit = optional_param('canceledit','', PARAM_ALPHA); // Editing has been cancelled
$cacheme = optional_param('allowcache', 1, PARAM_INT); // Set this to 0 to try and disable page caching.
// Only want to add edit log entries if we have made some changes ie submitted a form
$editsave = optional_param('thankyou', '');
if($page) {
// Split page command into action and page
$actions = explode('/', $page,2);
if(count($actions)==2) {
$pagename=$actions[1];
} else {
$pagename=$actions[0];
}
} else {
$actions=array('');
$pagename='';
}
if ($id) {
if (! $cm = get_coursemodule_from_id('wiki', $id)) {
print_error('invalidcoursemodule');
}
if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
print_error('coursemisconf');
}
if (! $wiki = $DB->get_record("wiki", array("id"=>$cm->instance))) {
print_error('invalidcoursemodule');
}
} else {
if (! $wiki = $DB->get_record("wiki", array("id"=>$wid))) {
print_error('invalidcoursemodule');
}
if (! $course = $DB->get_record("course", array("id"=>$wiki->course))) {
print_error('coursemisconf');
}
if (! $cm = get_coursemodule_from_instance("wiki", $wiki->id, $course->id)) {
print_error('invalidcoursemodule');
}
}
require_course_login($course, true, $cm);
/// Add the course module info to the wiki object, for easy access.
$wiki->groupmode = $cm->groupmode;
$wiki->groupingid = $cm->groupingid;
$wiki->groupmembersonly = $cm->groupmembersonly;
$wiki->cmid = $cm->id;
/// Default format:
$moodle_format=FORMAT_MOODLE;
/// Globally disable CamelCase, if the option is selected for this wiki.
$moodle_disable_camel_case = ($wiki->disablecamelcase == 1);
if (($wiki_entry = wiki_get_default_entry($wiki, $course, $userid, $groupid))) {
// OK, now we know the entry ID, we can do lock etc.
// If true, we are 'really' on an editing page, not just on edit/something
$reallyedit=$actions[0]=='edit' && !$canceledit && !$editsave;
// Remove lock when we go to another wiki page (such as the cancel page)
if(!$reallyedit) {
wiki_release_lock($wiki_entry->id,$pagename);
} else if(array_key_exists('content',$_POST)) {
// Do not allow blank content because it causes problems (the wiki decides
// the page should automatically go into edit mode, but Moodle doesn't realise
// this and filters out the JS)
if($_POST['content']=='') {
$_POST['content']="\n";
$_REQUEST['content']="\n";
}
// We must have the edit lock in order to be permitted to save
list($ok,$lock)=wiki_obtain_lock($wiki_entry->id,$pagename);
if(!$ok) {
print_error('savenolock', 'wiki', $CFG->wwwroot.'/mod/wiki/view.php?id='.$cm->id.'&page=view/'.urlencode($pagename));
}
}
/// ################# EWIKI Part ###########################
/// The wiki_entry->pagename is set to the specified value of the wiki,
/// or the default value in the 'lang' file if the specified value was empty.
define("EWIKI_PAGE_INDEX",$wiki_entry->pagename);
/// If the page has a ' in it, it may have slashes added to it. Remove them if it does.
$page = ($page === false) ? EWIKI_PAGE_INDEX : $page;
/// # Prevent ewiki getting id as PageID...
unset($_REQUEST["id"]);
unset($_GET["id"]);
unset($_POST["id"]);
unset($_POST["id"]);
unset($_SERVER["QUERY_STRING"]);
if (isset($HTTP_GET_VARS)) {
unset($HTTP_GET_VARS["id"]);
}
if (isset($HTTP_POST_VARS)) {
unset($HTTP_POST_VARS["id"]);
}
global $ewiki_title;
/// #-- predefine some of the configuration constants
/// EWIKI_NAME is defined in ewikimoodlelibs, so that also admin.php can use this
#define("EWIKI_NAME", $wiki_entry->pagename);
/// Search Hilighting
if($ewiki_title=="SearchPages") {
$qArgument="&amp;q=".urlencode($q);
}
/// Build the ewsiki script constant
/// ewbase will also be needed by EWIKI_SCRIPT_BINARY
$ewbase = 'view.php?id='.$cm->id;
if (isset($userid) && $userid!=0) $ewbase .= '&amp;userid='.$userid;
if (isset($groupid) && $groupid!=0) $ewbase .= '&amp;groupid='.$groupid;
$ewscript = $ewbase.'&amp;page=';
define("EWIKI_SCRIPT", $ewscript);
define("EWIKI_SCRIPT_URL", $ewscript);
/// # Settings for this specific Wiki
define("EWIKI_PRINT_TITLE", $wiki->ewikiprinttitle);
define("EWIKI_INIT_PAGES", wiki_content_dir($wiki));
# Database Handler
include_once($CFG->dirroot."/mod/wiki/ewikimoodlelib.php");
# Plugins
//include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/email_protect.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/patchsaving.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/notify.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/feature/imgresize_gd.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_highlight.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/f_fixhtml.php");
#include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/wikinews.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/sitemap.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_wikidump.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/aview/backlinks.php");
#include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/markup/css.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/markup/footnotes.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/diff.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/page/pageindex.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/page/orphanedpages.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/wantedpages.php");
# Binary Handling
if($wiki->ewikiacceptbinary) {
define("EWIKI_UPLOAD_MAXSIZE", get_max_upload_file_size());
define("EWIKI_SCRIPT_BINARY", $ewbase."&binary=");
define("EWIKI_ALLOW_BINARY",1);
define("EWIKI_IMAGE_CACHING",1);
#define("EWIKI_AUTOVIEW",1);
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/lib/mime_magic.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/aview/downloads.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/downloads.php");
#include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/db/binary_store.php");
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_binary_store.php");
} else {
define("EWIKI_SCRIPT_BINARY", 0);
define("EWIKI_ALLOW_BINARY",0);
}
# The mighty Wiki itself
include_once($CFG->dirroot."/mod/wiki/ewiki/ewiki.php");
if($canceledit) {
if ($delim = strpos($page, EWIKI_ACTION_SEP_CHAR)) {
@$page = substr($page, $delim + 1);
} else {
@$page="";
}
}
# Language-stuff: eWiki gets language from Browser. Lets correct it. Empty arrayelements do no harm
$ewiki_t["languages"]=array(current_language(), $course->lang, $CFG->lang,"en","c");
# Check Access Rights
$canedit = wiki_can_edit_entry($wiki_entry, $wiki, $USER, $course);
if (!$canedit) {
# Protected Mode
unset($ewiki_plugins["action"]["edit"]);
unset($ewiki_plugins["action"]["info"]);
}
# HTML Handling
$ewiki_use_editor=0;
if($wiki->htmlmode == 0) {
# No HTML
$ewiki_config["htmlentities"]=array(); // HTML is managed by moodle
$moodle_format=FORMAT_TEXT;
}
if($wiki->htmlmode == 1) {
# Safe HTML
include_once($CFG->dirroot."/mod/wiki/ewiki/plugins/moodle/moodle_rescue_html.php");
$moodle_format=FORMAT_HTML;
}
if($wiki->htmlmode == 2) {
# HTML Only
$moodle_format=FORMAT_HTML;
$ewiki_use_editor=1;
$ewiki_config["htmlentities"]=array(); // HTML is allowed
$ewiki_config["wiki_link_regex"] = "\007 [!~]?(
\#?\[[^<>\[\]\n]+\] |
\^[-".EWIKI_CHARS_U.EWIKI_CHARS_L."]{3,} |
\b([\w]{3,}:)*([".EWIKI_CHARS_U."]+[".EWIKI_CHARS_L."]+){2,}\#?[\w\d]* |
\w[-_.+\w]+@(\w[-_\w]+[.])+\w{2,} ) \007x";
}
global $ewiki_author, $USER;
$ewiki_author=fullname($USER);
$content=ewiki_page($page);
$content2='';
/// ################# EWIKI Part ###########################
}
else {
$content = '';
$content2 = '<div class="boxaligncenter">'.get_string('nowikicreated', 'wiki').'</div>';
}
# Group wiki, ...: No page and no ewiki_title
if(!isset($ewiki_title)) {
$ewiki_title="";
}
/// Moodle Log
if ($editsave != NULL) { /// We've submitted an edit and have been redirected back here
add_to_log($course->id, "wiki", 'edit',
"view.php?id=$cm->id&amp;groupid=$groupid&amp;userid=$userid&amp;page=$ewiki_title",
format_string($wiki->name,true).": ".$ewiki_title, $cm->id, $userid);
} else if ($ewiki_action != 'edit') {
add_to_log($course->id, "wiki", $ewiki_action,
"view.php?id=$cm->id&amp;groupid=$groupid&amp;userid=$userid&amp;page=$ewiki_title",
format_string($wiki->name,true).": ".$ewiki_title, $cm->id, $userid);
}
/// Print the page header
$strwikis = get_string("modulenameplural", "wiki");
$strwiki = get_string("modulename", "wiki");
$navigation = build_navigation('', $cm);
print_header_simple($ewiki_title?$ewiki_title:format_string($wiki->name), "", $navigation,
"", "", $cacheme, update_module_button($cm->id, $course->id, $strwiki),
navmenu($course, $cm));
/// Print Page
echo ' <div id="wikiPageActions">
';
/// The top row contains links to other wikis, if applicable.
if ($wiki_entry && $wiki_list = wiki_get_other_wikis($wiki, $USER, $course, $wiki_entry->id)) {
//echo "wiki list ";print_r($wiki_list);
$selected="";
if (isset($wiki_list['selected'])) {
$selected = $wiki_list['selected'];
unset($wiki_list['selected']);
}
echo '<tr><td colspan="2">';
echo '<form id="otherwikis" action="'.$CFG->wwwroot.'/mod/wiki/view.php">';
echo '<table border="0" cellpadding="0" cellspacing="0" width="100%"><tr>';
echo '<td class="sideblockheading">&nbsp;'
.$WIKI_TYPES[$wiki->wtype].' '
.get_string('modulename', 'wiki')." ".get_string('for',"wiki")." "
.wiki_get_owner($wiki_entry).':</td>';
echo '<td class="sideblockheading">'
.get_string('otherwikis', 'wiki').':&nbsp;&nbsp;';
$script = 'self.location=getElementById(\'otherwikis\').wikiselect.options[getElementById(\'otherwikis\').wikiselect.selectedIndex].value';
choose_from_menu($wiki_list, "wikiselect", $selected, "choose", $script);
echo '</td>';
echo '</tr></table>';
echo '</form>';
echo '</td>';
echo '</tr>';
}
if ($wiki_entry) {
$specialpages=array("WikiExport", "SiteMap", "SearchPages", "PageIndex","NewestPages","MostVisitedPages","MostOftenChangedPages","UpdatedPages","FileDownload","FileUpload","OrphanedPages","WantedPages");
/// Page Actions
echo '<table border="0" width="100%">';
echo '<tr>';
/// Searchform
echo '<td class="wikisearchform">';
wiki_print_search_form($cm->id, $q, $userid, $groupid, false);
echo '</td>';
/// Internal Wikilinks
echo '<td class="wikilinksblock">';
wiki_print_wikilinks_block($cm->id, $wiki->ewikiacceptbinary);
echo '</td>';
/// Administrative Links
if($canedit) {
echo '<td class="wikiadminactions">';
wiki_print_administration_actions($wiki, $cm->id, $userid, $groupid, $ewiki_title, $wiki->htmlmode!=2, $course);
echo '</td>';
}
/// Formatting Rules
echo '<td class="howtowiki">';
helpbutton('howtowiki', get_string('howtowiki', 'wiki'), 'wiki');
echo '</td>';
echo '</tr></table>';
}
echo '</div>
<div id="wiki-view" class="mwiki">
';
if($wiki_entry && $ewiki_title==$wiki_entry->pagename && !empty($wiki->summary)) {
if (trim(strip_tags($wiki->summary))) {
print_box(format_text($wiki->summary, FORMAT_MOODLE), 'generalbox', 'intro');
}
}
// The wiki Contents
if (!empty($canedit)) { /// Print tabs with commands for this page
$tabs = array('view', 'edit','links','info');
if ($wiki->ewikiacceptbinary) {
$tabs[] = 'attachments';
}
$tabrows = array();
$row = array();
$currenttab = '';
foreach ($tabs as $tab) {
$tabname = get_string("tab$tab", 'wiki');
$row[] = new tabobject($tabname, $ewbase.'&amp;page='.$tab.'/'.s($ewiki_id), $tabname);
if ($ewiki_action == "$tab" or in_array($page, $specialpages)) {
$currenttab = $tabname;
}
}
$tabrows[] = $row;
print_tabs($tabrows, $currenttab);
}
/// Insert a link to force page refresh if new content isn't showing.
// build new URL + query string
$queries = preg_split('/[?&]/', me());
$nqueries = count($queries);
$me = $queries[0] . '?';
for($i=1; $i < $nqueries; $i++)
{
if( !strstr($queries[$i], 'allowcache') )
$me .= $queries[$i] . '&amp;';
}
$me .= 'allowcache=0';
// Insert the link
$linkdesc = get_string('reloadlinkdescription', 'wiki');
$linktext = get_string('reloadlinktext', 'wiki');
echo "<div class='wikilinkright'><a href='$me' title='$linkdesc'><input type='button' value='$linktext' /></a></div>";
print_simple_box_start('center', '100%', '', '20');
/// Don't filter any pages containing wiki actions (except view). A wiki page containing
/// actions will have the form [action]/[pagename]. If the action is 'view' or the '/'
/// isn't there (so the action defaults to 'view'), filter it.
/// If the page does not yet exist, the display will default to 'edit'.
if((count($actions) < 2 || $actions[0] == "view") && $wiki_entry &&
$DB->record_exists('wiki_pages', array('pagename'=>$page, 'wiki'=>$wiki_entry->id))) {
print(format_text($content, $moodle_format));
} else if($actions[0]=='edit' && $reallyedit) {
// Check the page isn't locked before printing out standard wiki content. (Locking
// is implemented as a wrapper over the existing wiki.)
list($gotlock,$lock)=wiki_obtain_lock($wiki_entry->id,$pagename);
if(!$gotlock) {
$modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
$canoverridelock = has_capability('mod/wiki:overridelock', $modcontext);
$a=new stdClass;
$a->since=userdate($lock->lockedsince);
$a->seen=userdate($lock->lockedseen);
$user=$DB->get_record('user', array('id'=>$lock->lockedby));
$a->name=fullname($user,
has_capability('moodle/site:viewfullnames', $modcontext));
print_string('pagelocked','wiki',$a);
if($canoverridelock) {
$pageesc=htmlspecialchars($page);
$stroverrideinfo=get_string('overrideinfo','wiki');
$stroverridebutton=get_string('overridebutton','wiki');
$sesskey=sesskey();
print "
<form id='overridelock' method='post' action='overridelock.php'>
<div>
<input type='hidden' name='sesskey' value='$sesskey' />
<input type='hidden' name='id' value='$cm->id' />
<input type='hidden' name='page' value='$pageesc' />
$stroverrideinfo
<input type='submit' value='$stroverridebutton' />
</div>
</form>
";
}
} else {
if (ajaxenabled()) {
// OK, the page is now locked to us. Put in the AJAX for keeping the lock
$strlockcancelled=addslashes_js(get_string('lockcancelled','wiki'));
$strnojslockwarning=get_string('nojslockwarning','wiki');
$intervalms=WIKI_LOCK_RECONFIRM*1000;
print "
<script type='text/javascript'>
var intervalID;
function handleResponse(o) {
if(o.responseText=='cancel') {
document.forms['ewiki'].elements['preview'].disabled=true;
document.forms['ewiki'].elements['save'].disabled=true;
clearInterval(intervalID);
alert('$strlockcancelled');
}
}
function handleFailure(o) {
// Ignore for now
}
intervalID=setInterval(function() {
YAHOO.util.Connect.asyncRequest('POST','confirmlock.php',
{success:handleResponse,failure:handleFailure},'lockid={$lock->id}');
},$intervalms);
</script>
<noscript><p>
$strnojslockwarning
</p></noscript>
";
}
// Print editor etc
print $content;
}
} else {
print $content;
}
print $content2;
print_simple_box_end();
echo "<br />";
/// Finish the page
echo '
</div>
';
print_footer($course);
?>
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