<?php

require("../../../config.php");
require("../lib.php");

require_variable($chat_sid);
optional_variable($groupid);

if (!$chatuser = get_record("chat_users", "sid", $chat_sid)) {
    echo "Not logged in!";
    die;
}

if (!$chat = get_record("chat", "id", $chatuser->chatid)) {
    error("No chat found");
}

require_login($chat->course);
optional_variable($chat_pretext, '');

?>

<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/REC-html40/loose.dtd\">
<html>
<head>
<title>Message Input</title>

<?php include("$CFG->javascript"); ?>

<script type="text/javascript">
<!--

scroll_active = true;
function empty_field_and_submit() {
    var cf   = document.getElementById('sendform');
    var inpf = document.getElementById('inputform');
    cf.chat_msgidnr.value = parseInt(cf.chat_msgidnr.value) + 1;
    cf.chat_message.value = inpf.chat_message.value;
    cf.submit();
    inpf.chat_message.value='';
    inpf.chat_message.focus();
    return false;
}
function prepareusers() {
    var frm = window.parent.frames;
    for(i = 0; i < frm.length; ++i) {
        if(frm(i).name == "users") {
            window.userFrame = frm(i);
            window.userHREF  = frm(i).location.href;
            window.setTimeout("reloadusers();", <?php echo $CFG->chat_refresh_userlist; ?> * 1000);
        }
    }
}
function reloadusers() {
    if(window.userFrame) {
        window.userFrame.location.href = window.userFrame.location.href;
        window.setTimeout("reloadusers();", <?php echo $CFG->chat_refresh_userlist; ?> * 1000);
    }
}
// -->
</script>
</head>

<body bgcolor="<?php echo $THEME->body ?>" onload="document.getElementById('inputform').chat_message.focus();document.getElementById('inputform').chat_message.select(); prepareusers();">

<!--
<form action="<?php echo "http://$CFG->chat_serverhost:$CFG->chat_serverport"; ?>" method="GET" target="empty" name="f" onsubmit="return empty_field_and_submit()">
-->
<form action="../insert.php" method="get" target="empty" id="inputform" onsubmit="return empty_field_and_submit();">
&gt;&gt; <input type="text" name="chat_message" size="60" value="<?php echo $chat_pretext; ?>">
<?php helpbutton("chatting", get_string("helpchatting", "chat"), "chat", true, false); ?>
</form>

<form action="<?php echo "http://$CFG->chat_serverhost:$CFG->chat_serverport/"; ?>" method="get" target="empty" id="sendform">
    <input type="hidden" name="win" value="message" />
    <input type="hidden" name="chat_version" value="sockets" />
    <input type="hidden" name="chat_message" value="" />
    <input type="hidden" name="chat_msgidnr" value="0" />
    <input type="hidden" name="chat_sid" value="<?php echo $chat_sid ?>" />
    <input type="hidden" name="groupid" value="<?php echo $groupid ?>" />
</form>
</body>

</html>

