[Phpcms-plugins-cvs] admin4phpCMS/tools/sajax example_wall.php,NONE,1.1 Sajax.php,NONE,1.1 Readme.tx

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Update of /cvsroot/phpcms-plugins/admin4phpCMS/tools/sajax
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv4823/tools/sajax

Added Files:
	example_wall.php Sajax.php Readme.txt example_multiply.php 
Log Message:
Commit as backup during development

--- NEW FILE: example_multiply.php ---
<?
	require("Sajax.php");

	function multiply($x, $y) {
		return $x * $y;
	}

	sajax_init();
	// $sajax_debug_mode = 1;
	sajax_export("multiply");
	sajax_handle_client_request();

?>
<html>
<head>
	<title>Multiplier</title>
	<script>
	<?
	sajax_show_javascript();
	?>

	function do_multiply_cb(z) {
		document.getElementById("z").value = z;
	}

	function do_multiply() {
		// get the folder name
		var x, y;

		x = document.getElementById("x").value;
		y = document.getElementById("y").value;
		x_multiply(x, y, do_multiply_cb);
	}
	</script>

</head>
<body>
	<input type="text" name="x" id="x" value="2" size="3">
	*
	<input type="text" name="y" id="y" value="3" size="3">
	=
	<input type="text" name="z" id="z" value="" size="3">
	<input type="button" name="check" value="Calculate"
		onclick="do_multiply(); return false;">
</body>
</html>

--- NEW FILE: Sajax.php ---
<?php	
if (!isset($SAJAX_INCLUDED)) {

	/*  
	 * GLOBALS AND DEFAULTS
	 *
	 */ 
	$sajax_debug_mode = 0;
	$sajax_export_list = array();
	$sajax_request_type = "GET";
	$sajax_remote_uri = "";

	/*
	 * CODE
	 *
	 */ 
	function sajax_init() {
	}

	function sajax_get_my_uri() {
		global $REQUEST_URI;

		return $REQUEST_URI;
	}

	$sajax_remote_uri = sajax_get_my_uri();

	function sajax_handle_client_request() {
		global $sajax_export_list;

		$mode = "";

		if (! empty($_GET["rs"])) 
			$mode = "get";

		if (!empty($_POST["rs"]))
			$mode = "post";

		if (empty($mode)) 
			return;

		if ($mode == "get") {
			// Bust cache in the head
			header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");    // Date in the past
			header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
			// always modified
			header ("Cache-Control: no-cache, must-revalidate");  // HTTP/1.1
			header ("Pragma: no-cache");                          // HTTP/1.0
			$func_name = $_GET["rs"];
			if (! empty($_GET["rsargs"])) 
				$args = $_GET["rsargs"];
			else
				$args = array();
		}
		else {
			$func_name = $_POST["rs"];
			if (! empty($_POST["rsargs"])) 
				$args = $_POST["rsargs"];
			else
				$args = array();
		}

		if (! in_array($func_name, $sajax_export_list))
			echo "-:$func_name not callable";
		else {
			echo "+:";
			$result = call_user_func_array($func_name, $args);
			echo $result;
		}
		exit;
	}

	function sajax_get_common_js() {
		global $sajax_debug_mode;
		global $sajax_request_type;
		global $sajax_remote_uri;

		$t = strtoupper($sajax_request_type);
		if ($t != "GET" && $t != "POST") 
			return "// Invalid type: $t.. \n\n";

		ob_start();
		?>

		// remote scripting library
		// (c) copyright 2005 modernmethod, inc
		var sajax_debug_mode = <?php echo $sajax_debug_mode ? "true" : "false"; ?>;
		var sajax_request_type = "<?php echo $t; ?>";

		function sajax_debug(text) {
			if (sajax_debug_mode)
				alert("RSD: " + text)
		}
 		function sajax_init_object() {
 			sajax_debug("sajax_init_object() called..")

 			var A;
			try {
				A=new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					A=new ActiveXObject("Microsoft.XMLHTTP");
				} catch (oc) {
					A=null;
				}
			}
			if(!A && typeof XMLHttpRequest != "undefined")
				A = new XMLHttpRequest();
			if (!A)
				sajax_debug("Could not create connection object.");
			return A;
		}
		function sajax_do_call(func_name, args) {
			var i, x, n;
			var uri;
			var post_data;

			uri = "<?php echo $sajax_remote_uri; ?>";
			if (sajax_request_type == "GET") {
				if (uri.indexOf("?") == -1) 
					uri = uri + "?rs=" + escape(func_name);
				else
					uri = uri + "&rs=" + escape(func_name);
				for (i = 0; i < args.length-1; i++) 
					uri = uri + "&rsargs[]=" + escape(args[i]);
				uri = uri + "&rsrnd=" + new Date().getTime();
				post_data = null;
			} else {
				post_data = "rs=" + escape(func_name);
				for (i = 0; i < args.length-1; i++) 
					post_data = post_data + "&rsargs[]=" + escape(args[i]);
			}

			x = sajax_init_object();
			x.open(sajax_request_type, uri, true);
			if (sajax_request_type == "POST") {
				x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
				x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			}
			x.onreadystatechange = function() {
				if (x.readyState != 4) 
					return;
				sajax_debug("received " + x.responseText);

				var status;
				var data;
				status = x.responseText.charAt(0);
				data = x.responseText.substring(2);
				if (status == "-") 
					alert("Error: " + data);
				else  
					args[args.length-1](data);
			}
			x.send(post_data);
			sajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
			sajax_debug(func_name + " waiting..");
			delete x;
		}

		<?php
		$html = ob_get_contents();
		ob_end_clean();
		return $html;
	}

	function sajax_show_common_js() {
		echo sajax_get_common_js();
	}

	// javascript escape a value
	function sajax_esc($val)
	{
		return str_replace('"', '\\\\"', $val);
	}

	function sajax_get_one_stub($func_name) {
		ob_start();	
		?>

		// wrapper for <?php echo $func_name; ?>

		function x_<?php echo $func_name; ?>() {
			sajax_do_call("<?php echo $func_name; ?>",
				x_<?php echo $func_name; ?>.arguments);
		}

		<?php
		$html = ob_get_contents();
		ob_end_clean();
		return $html;
	}

	function sajax_show_one_stub($func_name) {
		echo sajax_get_one_stub($func_name);
	}

	function sajax_export() {
		global $sajax_export_list;

		$n = func_num_args();
		for ($i = 0; $i < $n; $i++) {
			$sajax_export_list[] = func_get_arg($i);
		}
	}

	$sajax_js_has_been_shown = 0;
	function sajax_get_javascript()
	{
		global $sajax_js_has_been_shown;
		global $sajax_export_list;

		$html = "";
		if (! $sajax_js_has_been_shown) {
			$html .= sajax_get_common_js();
			$sajax_js_has_been_shown = 1;
		}
		foreach ($sajax_export_list as $func) {
			$html .= sajax_get_one_stub($func);
		}
		return $html;
	}

	function sajax_show_javascript()
	{
		echo sajax_get_javascript();
	}

	$SAJAX_INCLUDED = 1;
}
?>

--- NEW FILE: example_wall.php ---
<?
	require("Sajax.php");

	//
	// The world's least efficient wall implementation
	//

	function colorify_ip($ip)
	{
		$parts = explode(".", $ip);
		$color = sprintf("%02s", dechex($parts[1])) .
				 sprintf("%02s", dechex($parts[2])) .
				 sprintf("%02s", dechex($parts[3]));
		return $color;
	}

	function add_line($msg) {
		$f = fopen("/tmp/wall.html", "a");
		$dt = date("Y-m-d h:i:s");
		$msg = strip_tags(stripslashes($msg));
		$remote = $_SERVER["REMOTE_ADDR"];
		// generate unique-ish color for IP
		$color = colorify_ip($remote);
		fwrite($f, "<span style=\"color:#$color\">$dt</span> $msg<br>\n");
		fclose($f);
	}

	function refresh() {
		$lines = file("/tmp/wall.html");
		// return the last 25 lines
		return join("\n", array_slice($lines, -25));
	}

	$sajax_request_type = "GET";
	sajax_init();
	sajax_export("add_line", "refresh");
	sajax_handle_client_request();

?>
<html>
<head>
	<title>Wall</title>
	<style>
	.date { 
		color: blue;
	}
	</style>
	<script>
	<?
	sajax_show_javascript();
	?>

	var check_n = 0;

	function refresh_cb(new_data) {
		document.getElementById("wall").innerHTML = new_data;
		document.getElementById("status").innerHTML = "Checked #" + check_n++;
		setTimeout("refresh()", 1000);
	}

	function refresh() {
		document.getElementById("status").innerHTML = "Checking..";
		x_refresh(refresh_cb);
	}

	function add_cb() {
		// we don't care..
	}

	function add() {
		var line;
		var handle;
		handle = document.getElementById("handle").value;
		line = document.getElementById("line").value;
		if (line == "") 
			return;
		x_add_line("[" + handle + "] " + line, add_cb);
		document.getElementById("line").value = "";
	}
	</script>

</head>
<body onload="refresh();">

<form name="f" action="#" onsubmit="add();return false;">
	<a href="http://www.modernmethod.com/sajax">Sajax</a>
	- 
	This example illustrates the simplest possible graffiti wall.
	It isn't meant to be perfect, featureful, or even useful.<br/>

	<input type="text" name="handle" id="handle" value="(name)"
		onfocus="this.select()" style="width:130px;">
	<input type="text" name="line" id="line" value="(enter your message here)"
		onfocus="this.select()"
		style="width:300px;">
	<input type="button" name="check" value="Post message"
		onclick="add(); return false;">
	<div id="wall"></div>
	<div id="status"><em>Loading..</em></div>
</form>

</body>
</html>

--- NEW FILE: Readme.txt ---
SAJAX PHP BACKEND
-----------------

Contributed and copyighted by Thomas Lackner and ModernMethod
(http://www.modernmethod.com/).

[Phpcms-plugins-cvs] admin4phpCMS/tools/sajax example_wall.php,NONE,1.1 Sajax.php,NONE,1.1 Readme.tx

[Phpcms-plugins-cvs] admin4phpCMS/tools/sajax example_wall.php,NONE,1.1 Sajax.php,NONE,1.1 Readme.txt,NONE,1.1 example_multiply.php,NONE,1.1