install/cookbook/chat.php

   1 <?php
   2
   3 $ROSPatterns['/\\(:chat(\\s+(.*))?:\\)/e'] = "CreateChat('$2')";
   4 $HandleActions['chat'] = 'HandleChat';
   5
   6 Markup('chatBegin','inline','/\\(:chatBegin (\\w+):\\)/','');
   7 Markup('chatEnd','inline','/\\(:chatEnd (\\w+):\\)/','<br/>');
   8 Markup('chatNext','inline','/\\(:chatNext:\\)/','<br/>');
   9 Markup('chatTalk','inline','/\\(:chatTalk (\\w+) (\\w+):\\)/e',"ChatTalk('$1', '$2')");
  10
  11 function CreateChat($size = 10) {
  12   $idchat = substr(md5(rand()),0,4);
  13   if (!$size) { $size = 10; }
  14   return
  15     '(:chatBegin '.$idchat.':)'."\n".
  16     '(:chatEnd '.$idchat.':)'."\n\n".
  17     '(:if auth edit:)(:chatTalk '.$idchat.' '.$size.':)(:if:)';
  18 }
  19
  20 function ChatTalk($idchat, $size = 10) {
  21   return Keep(
  22   '<form method="post" id="chat-'.$idchat.'">
  23     <input type="text" name="postchat" size="50"/>
  24     <input type="hidden" name="chatId" value="'.$idchat.'"/>
  25     <input type="hidden" name="size" value="'.$size.'"/>
  26     <input type="hidden" name="action" value="chat"/>
  27   </form>
  28   <script type="text/javascript">
  29     document.getElementById("chat-'.$idchat.'").postchat.focus();
  30   </script>');
  31 }
  32
  33 function HandleChat() {
  34   global $pagename, $CurrentTime, $Author;
  35   Lock(2);
  36   if (isset($_REQUEST['postchat']) && $_REQUEST['postchat'] &&
  37     ($page = RetrieveAuthPage($pagename, 'edit', true))) {
  38     $postchat = stripmagic($_REQUEST['postchat']);
  39     $idchat = stripmagic($_REQUEST['chatId']);
  40     $size = stripmagic($_REQUEST['size']);
  41
  42     $origine = array('(:chatNext:)');
  43     $destination = array('');
  44     $chatsyntax = RetrieveAuthPage('Site.ChatSyntax', 'read', false);
  45     if ($chatsyntax) {
  46       $chatsyntax = explode("\n",$chatsyntax['text']);
  47       foreach($chatsyntax as $s) if (preg_match('/^(.*) => (.*)$/', trim($s), $matches)) {
  48         $origine[] = $matches[1];
  49         $destination[] = $matches[2];
  50       }
  51     }
  52
  53     $newchat = $CurrentTime.' [[~'.$Author.']] : '.str_replace($origine, $destination, $postchat);
  54
  55     $talkpos = strpos($page['text'], '(:chatTalk '.$idchat.' ');
  56     $beginpos = strpos($page['text'], '(:chatBegin '.$idchat.':)');
  57     $endpos = strpos($page['text'], '(:chatEnd '.$idchat.':)');
  58
  59     $beginpos += strlen('(:chatBegin '.$idchat.':)');
  60     $lignes = explode('(:chatNext:)',substr($page['text'], $beginpos, $endpos - $beginpos));
  61
  62     if ($talkpos > $beginpos) {
  63       $afac = count($lignes) - $size - 1;
  64       $lignes[] = $newchat;
  65       for ($i = 0; $i < $afac; $i++) {
  66         unset($lignes[$i]);
  67       }
  68     } else {
  69       $nouvelleslignes = array($newchat);
  70       for ($i = 0; $i < count($lignes) && $i < $size - 1; $i++) {
  71         $nouvelleslignes[] = $lignes[$i];
  72       }
  73       $lignes = $nouvelleslignes;
  74     }
  75     $chatcontent = implode('(:chatNext:)', $lignes);
  76     $page['text'] = substr($page['text'],0,$beginpos).$chatcontent.substr($page['text'],$endpos);
  77     WritePage($pagename,$page);
  78     Lock(0);
  79     Redirect($pagename);
  80   }
  81   Lock(0);
  82   return "";
  83 }
  84 function afac() {
  85   global $pagename, $Author, $CurrentTime;
  86   if (isset($_REQUEST['postchat']) && $_REQUEST['postchat']) {
  87     Lock(2);
  88     $page = RetrieveAuthPage($pagename, 'edit', false);
  89     if (!$page) {
  90       Lock(0);
  91       return "";
  92     }
  93
  94
  95
  96
  97     $poschat = strpos($page['text'],'(:beginchat:)');
  98     $finchat = strpos($page['text'],'(:chat');
  99     if ($poschat === false) {
 100       $poschat = $finchat;
 101       $page['text'] = substr($page['text'],0,$poschat).'(:beginchat:)'.substr($page['text'],$poschat);
 102       $finchat += strlen('(:beginchat:)');
 103     }
 104     $poschat += strlen('(:beginchat:)');
 105
 106     $avantchat = substr($page['text'],0,$poschat);
 107     $chatcontent = substr($page['text'], $poschat, $finchat - $poschat);
 108     $aprechat = substr($page['text'],$finchat);
 109
 110     $lignes = explode("\n\n",$chatcontent);
 111     $page['text'] = $avantchat.implode("\n\n", $lignes)."\n\n".$CurrentTime.' [[~'.$Author.']] : '.$newchat.$aprechat;
 112     WritePage($pagename,$page);
 113     Lock(0);
 114     Redirect($pagename);
 115     return "";
 116   }
 117   $page = RetrieveAuthPage($pagename, 'edit', false);
 118   if (!$page) {
 119     return '';
 120   }
 121   return '<form method="post"><input type="text" name="postchat" size="50"/></form><script type="text/javascript">document.getElementsByName("postchat")[0].focus();</script>';
 122 }
 123
 124 ?>