realms-wiki/realms/templates/wiki/history.html

{% extends 'layout.html' %}
{% block body %}

    <h2>History for <strong>{{ name }}</strong></h2>
    <p>
        <a class="btn btn-default btn-sm compare-revisions">Compare Revisions</a>
    </p>

    <table class="table table-bordered revision-tbl">
    <thead>
    <tr>
        <th></th>
        <th>Name</th>
        <th>Revision Message</th>
        <th>Date</th>
    </tr>
    </thead>
    {% for h in history %}
        <tr>
            <td class="checkbox-cell text-center">
                <input type="checkbox" name="versions[]" value="{{ h.sha }}" />
            </td>
            <td>{{ h.author }}</td>
            <td><a href="{{ url_for('wiki.commit', name=name, sha=h.sha) }}" class='label label-primary'>View</a> {{ h.message }} </td>
            <td>{{ h.time|datetime }}</td>
        </tr>
    {% endfor %}
    </table>
    <p>
        <a class="btn btn-default btn-sm compare-revisions">Compare Revisions</a>
    </p>

{% endblock %}

{% block js %}
<script>
$(function(){
    $('.revision-tbl :checkbox').change(function () {
        var $cs=$(this).closest('.revision-tbl').find(':checkbox:checked');
        if ($cs.length > 2) {
            this.checked=false;
        }
    });

    $(".compare-revisions").click(function(){
        var $cs = $('.revision-tbl').find(':checkbox:checked');
        console.log($cs.length);
        if ($cs.length != 2) return;
        var revs = [];
        $.each($cs, function(i, v){
            revs.push(v.value);
        });
        revs.reverse();
        revs = revs.join("..");
        location.href = "{{ url_for('wiki.page') }}_compare/{{ name }}/" + revs;
    });
});
</script>
{% endblock %}