<?php
/*
***************************************************************************
* Copyright (C) 2007-2008 by Sixdegrees *
* cesar@sixdegrees.com.br *
* "Working with freedom" *
* http://www.sixdegrees.com.br *
* *
* Permission is hereby granted, free of charge, to any person obtaining *
* a copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to *
* the following conditions: *
* *
* The above copyright notice and this permission notice shall be *
* included in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, *
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR *
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
* OTHER DEALINGS IN THE SOFTWARE. *
***************************************************************************
*/
error_reporting(E_ALL);
require("../phpajax/phpajax.php");
require("showsource.php");
/**
* Example 2
* This is a chat example.
*
* @author Cesar D. Rodas
* @package PHP-Ajax-Examples
*/
class chat_put extends phpajax {
var $hotkeys=array("ctrl-m","alt-y");
var $inputs=array("text","usr_id");
function loading() {
aprint('loading', 'Sending...');
ashow('loading');
ahide('send');
}
function main() {
global $mysql;
$a = & $this->text;
# Add what I've chat to the chat-text.
# the third paramete is false, because we don't
# want to loose all the previous content.
aprint('chat-text',"me> $a\n",false);
mysql_query("insert into chat values('','".$this->usr_id."','".$_SERVER['REMOTE_ADDR']."','".addslashes($a)."')",$mysql);
#set the input box empty
aprint('text','');
ashow('send');
js("getObject('chat-text').scrollTop = getObject('chat-text').scrollHeight;");
}
}
class chatupdater extends phpajax {
var $inputs=array("last","usr_id");
function main() {
global $mysql;
$last = $this->last;
$sql="select * from chat where userid != '".$this->usr_id."' && postid > $last order by postid desc limit 10";
$r = mysql_query($sql,$mysql);
$i=0;
while ($row = mysql_fetch_array($r)){
if ( $i++ == 0) {
#last id
$last = $row[0];
#add a javascript code
js("getObject('chat-text').scrollTop = getObject('chat-text').scrollHeight;") ;
}
aprint('chat-text',$row[2]."> ".$row[3]."\n",false);
}
mysql_free_result($r);
mysql_close($mysql);
aprint('last',$last);
}
}
$mysql = mysql_connect("localhost","root","");
mysql_select_db("chat",$mysql);
/* Initiliaze php ajax*/
phpajax::init();
?>
<html>
<head>
<title>Example of how to implement PHP Ajax</title>
<?php phpajax_js("../phpajax/");?>
<script>
setInterval('chatupdater()',3000);
</script>
</head>
<body>
<textarea id="chat-text" readonly=1 cols=50 rows=10></textarea><br/>
<input type="text" id="text"><input type="button" id ="send" value="Send" onclick="chat_put()"><span id='loading' style="visibility:hidden;">
Cargando...
</span>
<input type=hidden name="last" id = "last" value=0>
<input type=hidden name="usr_id" id = "usr_id" value="<?=md5(time())?>">
<hr>
<input type="submit" value="show source" onclick="showsource('example3.php')"><br />
<div id="source"></div>
</body>
</html>
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