Bootstrap nested accordion with inner div is not a panel

I am trying to implement a nested accordion using bootstrap. Until now I could have nested panels that act like accordions as shown in this jsfiddle and duplicated below. (Sorry for bloating the code.)

<div class="panel-group" id="accordion1">

    <div class="panel panel-default">
        <div class="panel-heading">
             <h4 class="panel-title">
                 <a data-toggle="collapse" data-parent="#accordion1" href="#collapseOne">
                 Collapsible Group Item #1
                 </a>
             </h4>
        </div>
        <div id="collapseOne" class="panel-collapse collapse in">
            <div class="panel-body">Panel 1</div>
        </div>
    </div>

    <!-- I'd like the content of this group to behave as the panels do. -->
    <div class="panel panel-default">
        <div class="panel-heading">
             <h4 class="panel-title">
                <a data-toggle="collapse" data-parent="#accordion1" href="#collapseTwo">
                    Collapsible Group Item #2
                </a>
            </h4>
        </div>
        <div id="collapseTwo" class="panel-collapse collapse">
            <div class="panel-body">

                <div class="collapse-group" id="#accordion2">
                    <h2>Heading</h2>
                    <p><a data-toggle="collapse" data-parent="#accordion2" data-target="#collapseTwoOne">View details 2.1 &raquo;</a></p>
                    <p class="collapse" id="collapseTwoOne">Details 1</p>
                    <p><a data-toggle="collapse" data-parent="#accordion2" data-target="#collapseTwoTwo">View details 2.2 &raquo;</a></p>
                    <p class="collapse" id="collapseTwoTwo">Details 2</p>              
                </div>

            </div>

        </div>
    </div>

    <!-- This group shows how panels may be nested. But what about a plain div inside a panel? -->
    <div class="panel panel-default">
        <div class="panel-heading">
             <h4 class="panel-title">
                 <a data-toggle="collapse" data-parent="#accordion3" href="#collapseThree">
                 Collapsible Group Item #3
                 </a>
             </h4>
        </div>
        <div id="collapseThree" class="panel-collapse collapse in">
            <div class="panel-body">

                <div class="panel-group" id="accordion2">
                    <div class="panel panel-default">
                        <div class="panel-heading">
                             <h4 class="panel-title">
                                <a data-toggle="collapse" data-parent="#accordion2" href="#collapseThreeOne">
                                    Collapsible Group Item #3.1
                                </a>
                              </h4>
                        </div>
                        <div id="collapseThreeOne" class="panel-collapse collapse in">
                            <div class="panel-body">Panel 3.1</div>
                        </div>
                    </div>
                    <div class="panel panel-default">
                        <div class="panel-heading">
                            <h4 class="panel-title">
                                <a data-toggle="collapse" data-parent="#accordion2" href="#collapseThreeTwo">            
                                    Collapsible Group Item #3.2
                                </a>
                            </h4>
                        </div>
                        <div id="collapseThreeTwo" class="panel-collapse collapse">
                            <div class="panel-body">Panel 3.2</div>
                        </div>
                    </div>
                </div>

            </div>
        </div>
    </div>

</div>

      

However, what I would like to get is that the items from "Collapsible Group Item # 2" from the above code are also displayed in a mutually exclusive way, that is, if one div is visible then the other will be hidden (if not already ).

What do I need to do to get the desired effect?

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1 answer


Try the following:

DEMO



 <div class="panel-group" id="accordion1">
            <div class="panel panel-default">
                <div class="panel-heading">
                    <h4 class="panel-title">
                        <a data-toggle="collapse" data-parent="#accordion1" href="#collapseOne">Collapsible Group Item #1
                        </a>
                    </h4>
                </div>
                <div id="collapseOne" class="panel-collapse collapse in">
                    <div class="panel-body">Panel 1</div>
                </div>
            </div>

            <div class="panel panel-default">
                <div class="panel-heading">
                    <h4 class="panel-title">
                        <a data-toggle="collapse" data-parent="#accordion1" href="#collapseTwo">Collapsible Group Item #2
                        </a>
                    </h4>
                </div>
                <div id="collapseTwo" class="panel-collapse collapse">
                    <div class="panel-body">
                        <div class="panel-body">
                            <h2>Heading</h2>
                            <div class="panel-group" id="accordion21">
                                <div class="panel">
                                    <a data-toggle="collapse" data-parent="#accordion21" href="#collapseTwoOne">View details 2.1 &raquo;
                                    </a>
                                    <div id="collapseTwoOne" class="panel-collapse collapse">
                                        <div class="panel-body">Details 1</div>
                                    </div>
                                </div>
                                <div class="panel ">
                                    <a data-toggle="collapse" data-parent="#accordion21" href="#collapseTwoTwo">View details 2.2 &raquo;
                                    </a>
                                    <div id="collapseTwoTwo" class="panel-collapse collapse">
                                        <div class="panel-body">Details 2</div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="panel panel-default">
                <div class="panel-heading">
                    <h4 class="panel-title">
                        <a data-toggle="collapse" data-parent="#accordion1" href="#collapseThree">Collapsible Group Item #3
                        </a>
                    </h4>
                </div>
                <div id="collapseThree" class="panel-collapse collapse">
                    <div class="panel-body">

                        <div class="panel-group" id="accordion2">
                            <div class="panel panel-default">
                                <div class="panel-heading">
                                    <h4 class="panel-title">
                                        <a data-toggle="collapse" data-parent="#accordion2" href="#collapseThreeOne">Collapsible Group Item #3.1
                                        </a>
                                    </h4>
                                </div>
                                <div id="collapseThreeOne" class="panel-collapse collapse in">
                                    <div class="panel-body">Panel 3.1</div>
                                </div>
                            </div>
                            <div class="panel panel-default">
                                <div class="panel-heading">
                                    <h4 class="panel-title">
                                        <a data-toggle="collapse" data-parent="#accordion2" href="#collapseThreeTwo">Collapsible Group Item #3.2
                                        </a>
                                    </h4>
                                </div>
                                <div id="collapseThreeTwo" class="panel-collapse collapse">
                                    <div class="panel-body">Panel 3.2</div>
                                </div>
                            </div>
                        </div>

                    </div>
                </div>
            </div>

        </div>

      

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