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html form Java script help synchronize two SELECT elements

Posted on 2014-10-23
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Last Modified: 2014-10-25
Hello Experts

I have a html form that uses a Java script. line 7 to13

Once a user selects Absent Teacher on line 75 it populates that selection on 8 other Absent Teachers input forms.
 I need the Java Script edited to also duplicate line 74 so the date is also populated on 8 other Date input forms.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Absent Teacher 1 Week.1 Monday</title>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" type="text/css" href="../../styles.css" />
<script type="text/javascript">
function syncSelects(objSel) {
	for(var i=2; i<=9; ++i) {
		objSel.form.elements['sickteacher['+i+']'].selectedIndex = objSel.selectedIndex;
	}
}
</script> 
<link rel="stylesheet" href="//code.jquery.com/ui/1.11.2/themes/smoothness/jquery-ui.css">

  <script src="//code.jquery.com/jquery-1.10.2.js"></script>

  <script src="//code.jquery.com/ui/1.11.2/jquery-ui.js"></script>

  <link rel="stylesheet" href="/resources/demos/style.css">

  <script>

  $(function() {

    $( "#datepicker" ).datepicker();

  });

  </script>


</head>
<?php 

    // First we execute our common code to connection to the database and start the session
     require("../../common.php"); 
     
    // At the top of the page we check to see whether the user is logged in or not
     if(empty($_SESSION['user'])) 
    { 
        // If they are not, we redirect them to the login page. 
        header("Location: ../../login.php"); 
         
        // Remember that this die statement is absolutely critical.  Without it,
         // people can view your members-only content without logging in. 
        die("Redirecting to ../../login.php"); 
    } 
     
    // Everything below this point in the file is secured by the login system 
     
    // We can display the user's username to them by reading it from the session array.  Remember that because
     // a username is user submitted content we must use htmlentities on it before displaying it to the user.  The
     // fact that we retrieved it from a database and not directly from the user does not matter.
 ?>
<body>
<div id="container">
<div id="header"> <img name="Logo" src="../../images/logo.png" width="233" height="76" alt=""></div>
<div id="content">
      <p><caption><h2>Absent Teacher 1 Week.1 Monday</h2></caption>
<form action="absent1.1.php" method="POST"> 
<?php include('../../php.php'); ?>


<?php



for($i=1;$i<=9; ++$i): ?>
<pre> 
<fieldset>
<legend>Absent Teacher 1 </legend>
Period: <input type="text" name="period[<?php echo $i; ?>]" size="1" readonly value="<?php echo $i; ?>" ><br>
Date: <input type="text" id="datepicker" name="datepicker[<?php echo $i ?>]"><br>
Absent Teacher: <select name="sickteacher[<?php echo $i ?>]"<?php echo ($i==1)?' onchange="syncSelects(this);"':''; ?>><?php echo $options ?></select><br>
Subject:  <select name="subject[<?php echo $i ?>]"><?php echo $subject_options ?></select><br>
Class:  <select name="class[<?php echo $i ?>]"><?php echo $class_options ?></select><br>
Room:  <select name="room[<?php echo $i ?>]"><?php echo $room_options ?></select><br>
Cover Teacher: <select name="coverteacher[<?php echo $i ?>]"><?php echo $options ?></select>
</fieldset>
</pre> 
<?php endfor; ?>

<input type="submit" value="Add Teacher 1 Cover"> 
<input type="reset" value="Reset"> 
    <p>&nbsp;</p>
    <p>&nbsp;</p>
</form> 

</body>
</html></p>
      <p>
  </div>
  </div>
<div id="navigation">
    <p><strong>Navigation Here</strong></p>
    <ul>
<li><a href="http://localhost/w1/mon/w1mon.php">Week 1 Monday Picker</a></li>
<hr>
<li><a href="http://localhost/../../administrator.php">Administrator Page </a></li>
<hr>
      <li><a href="http://localhost/../../logout.php">Logout</a></li>
      <hr>
    </ul>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
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    <p>&nbsp;</p>
    </div>

</body> 
  <div id="wrapper"></div>
  <div id="footer">
    <p>Absent Tables </p>
  </div>
</div>
</body>
</html>

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Question by:paddy086
  • 2
  • 2
4 Comments
 
LVL 34

Accepted Solution

by:
Slick812 earned 500 total points
ID: 40400137
from your description, I would guess that this may do what you want, however, I would think you need to place a "DATE" in the first datepicker as a default from the PHP database? ? It is blank (as NO TEXT) the way you have it now.

function syncSelects(objSel) {
// get the text from the first datepicker text element in variable  val1
var val1 = objSel.form.elements['datepicker[1]'].value;

	for(var i=2; i<=9; ++i) {
		objSel.form.elements['sickteacher['+i+']'].selectedIndex = objSel.selectedIndex;
// assign the val1 variable to the 8 other text elements  value
		objSel.form.elements['datepicker['+i+']'].value = val1;
	}
}

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Also you have the datepicker with 9 duplicate ID, as a technical thing, you should never have duplicate ID (NEVER , EVER).
ask questions if you need more info
0
 

Author Comment

by:paddy086
ID: 40400385
Thanks Slick812 that worked....

Just got a question about??? the datepicker with 9 duplicate ID this is on line 74 of my code.
is there any way around this

thanks
0
 
LVL 34

Expert Comment

by:Slick812
ID: 40400989
???
OK, you already do this "numbering" time and time again with this PHP loop read -
     <?php echo $i ?>

so you can just change it to
Date: <input type="text" id="datepicker<?php echo $i ?>" name="datepicker[<?php echo $i ?>]"><br>

HOWEVER, with that change, your initialization of the Jquery "datepicker" widget will be different, currently you have this -

$(function() {
    $( "#datepicker" ).datepicker();
  });

this uses the Jquery ID selector as "#datepicker", but now you have 9 different text box ID's. so you might try a loop like this -
$(function() {
  for(var i=1; i<10; ++i) {
    $( "#datepicker"+i ).datepicker();
    }
  });

just my opinion here, the several many "pop-up" datepickers now available in JS-CSS, can be a time comsuming effort to go through many years and mounts and days to get a certain date, that can be typed easily in seconds. That's why I urge you to have a date already in that text. although you may have configured the datepicker to already have the current date in there?
0
 

Author Closing Comment

by:paddy086
ID: 40404097
Thank you Slick812 sorry it took so log getting back and accepting this question as answered.
Both suggestions worked great  thanks
0

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