<?php
checkadmin($role);
$tbl = 'menus';
$TMNO = 14;

$userfile = basename($_FILES['userfile']['name']);
$id = $_REQUEST['id'];
$referer = $_REQUEST['referer'];
if (!$referer) $referer = 0;
$menutitle = $_POST['menutitle'];
$href = $_POST['href'];
$submit = $_POST['submit'];

if ($submit == 'DELETE') {
	//delete if submenu exasts
        if (mysql_num_rows(mysql_query("select * from $tbl where referer=$id"))) {
		echo "<u>Sorry! Submenu exists under this menu, delete submenu first</u>";
	} else {
		mysql_query("delete from $tbl where id=$id");
	}
	
} else if ($submit == 'SAVE') {
	if ($menutitle) {
		if (mysql_num_rows(mysql_query("select * from $tbl where id=$id"))) {
			$href1 = strtolower(str_replace(" ", "", $menutitle)) . $referer;
			$href1 = str_replace(",", "", $href1);
			$href1 = str_replace(".", "", $href1);
			mysql_query("update $tbl set title='$menutitle',href='$href1',dated=now() where id=$id");
		} else {
			$no = mysql_num_rows(mysql_query("select * from $tbl where referer=$referer"));
			if ($no < $TMNO) {
                                mysql_query("insert into $tbl (title,zindex,href,referer,dated)
                                values('$menutitle',$no+1,'$href',$referer,now())");//$pageid
                        } else {
                                echo "<u>Sorry! Total $TMNO menus can be added at present.</u>";
			}
		}
	}

} else if ($submit == 'UP') {
        $rs = mysql_query("select * from $tbl where id=$id");
	if (mysql_num_rows($rs)) {
		$o = mysql_fetch_object($rs);
                $zindex = $o->zindex;
                $referer = $o->referer;
                if ($zindex > 1) {
			mysql_query("update $tbl set zindex=$zindex where referer=$referer and zindex=$zindex-1");
                	mysql_query("update $tbl set zindex=$zindex-1 where id=$id");
        		menu();
        	}
	}       

} else if ($submit == 'DOWN') {
        $rs = mysql_query("select * from $tbl where id=$id");
        if (mysql_num_rows($rs)) {
                $o = mysql_fetch_object($rs);
                $zindex = $o->zindex;
                $referer = $o->referer;
		$no = mysql_num_rows(mysql_query("select * from $tbl where referer=$referer"));
                if ($zindex < $no) {
			mysql_query("update $tbl set zindex=$zindex where referer=$referer and zindex=$zindex+1");
                	mysql_query("update $tbl set zindex=$zindex+1 where id=$id");
        		menu();
        	}
	}
}

echo "<br><input type='hidden' name='id' value='$id'>
Menu <input type='text' name='menutitle' value='' size='20'>
<input type='submit' name='submit' value='SAVE' style='width:80px'> 
<input type='submit' name='submit' value='UP' style='width:80px'>
<input type='submit' name='submit' value='DOWN' style='width:80px'> 
<input type='submit' name='submit' value='DELETE' style='width:80px'>
<br>
<b><u>Page to open on CLICK of this MENU</u></b> &nbsp;";

echo "<select name='pagetitle'>
<option value'submenu'>Submenu</option>";
if ($referer > 0) {
	$rs = mysql_query("select * from webpages order by title");
	while ($q = mysql_fetch_object($rs)) {
		echo "<option value='$q->title'>$q->title</option>";
	}
}
?>
</select>
<br>
<b>Note:</b><br>
Please remember that deleting Menu will not delete SUBMENU under it.<br>
Page will be opened on click of submenu only.<br>