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<?php
/**
* Ajax chat plugin
*
* Enables/disables Ajax driven chat
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Pavel Vitis <pavel [dot] vitis [at] seznam [dot] cz>
*/
if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'syntax.php');
require_once('chat.php');
global $ajax_chat_included;
/**
* All DokuWiki plugins to extend the parser/rendering mechanism
* need to inherit from this class
*/
class syntax_plugin_chat extends DokuWiki_Syntax_Plugin {
/**
* return some info
*/
function getInfo(){
return array(
'author' => 'Pavel Vitis',
'email' => 'pavel [dot] vitis [at] seznam [dot] cz',
'date' => '2006-02-30',
'name' => 'Chat Plugin',
'desc' => 'Enables/disables Ajax-driven chat.',
'url' => 'http://wiki.splitbrain.org/plugin:chat',
);
}
/**
* What kind of syntax are we?
*/
function getType(){
return 'substition';
}
/**
* What about paragraphs?
*/
function getPType(){
return 'block';
}
/**
* Where to sort in?
*/
function getSort(){
return 230;
}
/**
* Connect pattern to lexer
*/
function connectTo($mode) {
if ($mode == 'base') {
$this->Lexer->addSpecialPattern('~~CHAT~~', $mode, 'plugin_chat');
$this->Lexer->addSpecialPattern('~~NOCHAT~~', $mode, 'plugin_chat');
}
}
/**
* Handle the match
*/
function handle($match, $state, $pos, &$handler) {
global $conf;
global $lang;
global $ID;
$dID = chat_plugin::addChatNS($ID);
$dFN = wikiFN($dID);
if ($match == '~~CHAT~~' && !chat_plugin::isChatID($ID)) {
if (!file_exists($dFN)) {
// Current discussion page doesn't exist.
$revs = getRevisions($dID);
if (count($revs)) {
// Restore previously delete discussion page.
$rev = array_shift($revs);
$txt = rawWiki($dID, $rev);
$sum = $lang['chat_restored'] . $rev;
}
else {
// Create new discussion page.
$txt = ' ';
$sum = $lang['chat_created'];
}
saveWikiText($dID, $txt, $sum);
}
else {
}
}
else if ($match == '~~NOCHAT~~') {
if (file_exists($dFN)) {
saveWikiText($dID, '', $lang['chat_deleted']);
}
}
return array($dID);
}
/**
* Create output
*/
function render($mode, &$renderer, $data) {
global $ajax_chat_included;
if ($mode == 'xhtml') {
if (isset($data[0]) && !$ajax_chat_included) {
$renderer->info['cache'] = FALSE;//TODO: solve this. It remembers wrong username
// $renderer->doc .= "D:".$data[0];
$renderer->doc .= chat_plugin::chatHtml($data[0]);
$ajax_chat_included = true;
return true;
}
}
return true;
}
}
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