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JavaScript/jQuery: Reorder VALUES of input/textarea by value

Posted on 2013-02-05
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337 Views
Last Modified: 2013-02-07
The problem with this code is that the name attribute of the input tag and textarea tag get moved along with everything else in the paragraph so when I save the results the order does not actually save.  

For example, the first textarea should look like this:
<textarea rows="9" cols="99" name="Text_healthcare_Client_List_xb0">Apple</textarea>

Not this:
<textarea rows="9" cols="99" name="Text_healthcare_Client_List_xb1">Apple</textarea>

How can the order of the values be changed but the name attribute be preserved?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Demo</title>

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<script type="text/javascript">

$(document).ready(function() {

 $('#alpha').click(function() {
     $(".item").each(function() {
         sortDem($(this).prevAll(".item:eq(0)"), $(this))
     })
 });


});

function sortDem(prev, curr) {
    if(prev.length>0) {
        var pVal = $("textarea", prev).val().toLowerCase().trim();
        var cVal = $("textarea", curr).val().toLowerCase().trim();
        if(pVal>cVal) {
            curr.insertBefore(prev);
            sortDem(curr.prevAll(".item:eq(0)"), curr); 
        }
    }
}

</script>
</head>
<body>


<div id="fields">
    <p class="item">
        <a class="itemDown"></a>
        <a class="itemUp first"></a>
        <input autocomplete="off" name="Text_healthcare_Client_List_xa0" value="2400195" type="text"><br />
        <textarea rows="9" cols="99" name="Text_healthcare_Client_List_xb0">Zoo</textarea><hr />
    </p>
    <p class="item">
        <a class="itemRemove"></a>
        <a class="itemDown"></a>
        <a class="itemUp"></a>
        <input autocomplete="off" name="Text_healthcare_Client_List_xa1" value="2402014" type="text"><br />
        <textarea rows="9" cols="99" name="Text_healthcare_Client_List_xb1">Apple</textarea><hr />
    </p>
    <p class="item">
        <a class="itemRemove"></a>
        <a class="itemDown"></a>
        <a class="itemUp"></a>
        <input autocomplete="off" name="Text_healthcare_Client_List_xa2" value="2400173" type="text"><br />
        <textarea rows="9" cols="99" name="Text_healthcare_Client_List_xb2">Peach</textarea><hr />
    </p>
</div>

<input type="button" id="alpha" value="Sort" />

</body>
</html>

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Question by:hankknight
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3 Comments
 
LVL 82

Accepted Solution

by:
leakim971 earned 500 total points
ID: 38857065
test page : http://jsfiddle.net/Kp9FD/2/

$(document).ready(function() {

 $('#alpha').click(function() {
     $(".item").each(function() {
         sortDem($(this))
     })
 });

});

function sortDem(curr) {
    var prev = curr.prevAll(".item:eq(0)");
    if(prev.length>0) {
        var pVal = $("textarea", prev).val();
        var cVal = $("textarea", curr).val();
        if(pVal.toLowerCase().trim()>cVal.toLowerCase().trim()) {
            $("textarea", curr).val( pVal );
            $("textarea", prev).val( cVal );
            sortDem(curr); 
        }
    }
}

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Author Comment

by:hankknight
ID: 38861131
The problem with that code is that it does not change the input that is associated with it.

In the example, "Zoo" is associated with "2400195" but after you sort it, it incorrectly becomes associated with "2400173"
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LVL 16

Author Comment

by:hankknight
ID: 38864427
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