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Synchronize upper and lower tabs on a form

Posted on 2016-07-22
5
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Last Modified: 2016-07-25
I have a tall form in which a user has access to three tabs on top and three corresponding tabs on the bottom.

I'm trying to write javascript\jquery to keep the tabs in sync(active) depending upon which is selected.

So here are my upper tabs:

<ul id="Tabs" class="nav nav-tabs">
        <li class="active"><a href="#pm" data-toggle="tab" id="pmTab">PM</a></li>
        <li><a href="#engineer" data-toggle="tab" id="engineerTab">Engineer</a></li>
        <li><a href="#contractor" data-toggle="tab" id="contractingTab">Contracting</a></li>
    </ul>

<div class="tab-content well"> .....

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Here are my lower tabs
...</div>
 <div id="BottomTabs" class="tabbable tabs-below">
            <ul id="TabsBelow" class="nav nav-tabs">
                <li class="active"><a href="#pm" data-toggle="tab" id="pmTabBottom">PM</a></li>
                <li><a href="#engineer" data-toggle="tab" id="engineerTabBottom">Engineer</a></li>
                <li><a href="#contractor" data-toggle="tab" id="contractingTabBottom">Contracting</a></li>
            </ul>
        </div>

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Now here are my click events
 function BindTabClickEvents() {
            $('#Tabs a, #TabsBelow a').click(function (e) {
                e.preventDefault();
                
                $(".nav-tabs li").each(function(element) {
                    $(this).removeClass("active");
                });

                $(this).addClass("active");
               

                switch ($(this).html()) {
                    case "PM":
                       
                        if (e.target.id === "pmTab") {
                            $('#pmTabBottom').addClass("active");
                        } else {
                            $('#pmTab').addClass("active");
                        }
                        break;
                    case "Engineer":
                       if (e.target.id === "engineerTab") {
                            $('#engineerTabBottom').addClass("active");
                        } else {
                            $('#engineerTab').addClass("active");
                        }
                        break;
                    case "Contracting":
                        $('#programNameContracting').html($("#ProgramName").val());
                        if (e.target.id === "contractingTab") {
                            $('#contractingTabBottom').addClass("active");
                        } else {
                           $('#contractingTab').addClass("active");
                        }
                        break;
                }

                $(this).tab('show');
            });
        }

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The case statement is assigning the "Active" class but the corresponding tab does not look "active". Also, the other tabs seem to be retaining the active class even after I iterate through them and remove it.
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Comment
Question by:Focker513
  • 2
  • 2
5 Comments
 
LVL 52

Expert Comment

by:Scott Fell, EE MVE
ID: 41725110
Can you create a working sample?  Either a minimal sample page on your own site or recreate on jsbin, jsfiddle or codepen.  

Just as a quick suggestion, on the click event the first thing you can do is make all inactive, then only make the clicked tab active.
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Author Comment

by:Focker513
ID: 41725238
Sorry been pulled into another issue. I will try to update with jsfiddle later. If you look I am iterating through and removing active so you are saying also add inactive? That actually may be what I need to try.

Regardless can't test at the moment but will get back to you. I apologize, thanks for your time.
0
 
LVL 52

Expert Comment

by:Scott Fell, EE MVE
ID: 41725300
Here is a simple example where I remove the class on click, then add to the specific item.
http://jsbin.com/cuzoruceve/edit?html,output
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-2.0.3.js"></script>
  <script>
    $(function(){
       $('ul#top li').on('click',function(){
          $('ul#top li').removeClass('red');
          $(this).addClass('red');
 
          });
  
    });
  </script>
  <style>
    .red{color:Red;}
    .blue{color:Blue;}
  </style>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
   <ul id="top">
     <li>one</li>
     <li>two</li>
     <li>three</li>
   </ul>
   <ul id="bottom">
     <li>one</li>
     <li class="blue">two</li>
     <li>three</li>
   </ul>
</body>
</html>

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0
 
LVL 49

Accepted Solution

by:
Roonaan earned 500 total points
ID: 41725606
I would go for a setup like this. Instead of matching tabs by "id" I use the "href" to figure out if two tabs have the same target and thus need to be highlighted with the same state.
This will make sure you code does not expands with the number of your tabs, introducing costly maintenance.

 function BindTabClickEvents() {
    var links = $('#Tabs a, #TabsBelow a');
    links.click(function(e) {
        e.preventDefault();
        var linkClicked = $(this).closest('a');
        var target = linkClicked.attr('href');
        links.each(function() {
           if ($(this).attr('href') === target) {
                $(this).addClass('active');
                $(this).closest('li').addClass('active');
           } else {
               $(this).removeClass('active');
               $(this).closest('li').removeClass('active');
           }
        });
        $(this).tab('show');
    });
}

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The above code does toggle "active" class on both the <a> as the surrounding <li>. From your code it was unclear which one is needed in the end.

Best

-r-
0
 

Author Closing Comment

by:Focker513
ID: 41727806
awesome worked without issue
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