<div style="clear:both;padding: 0 0 30px 0;"></div>

        <h4>${_('Changesets')}</h4>

        <div style="float:left;padding:0px 30px 30px 30px">

           ## overview pulled by ajax

           <div style="float:left" id="pull_request_overview"></div>

        </div>

        <div style="clear:both;"></div>

    </div>

    ${h.end_form()}

</div>

<script type="text/javascript" src="${h.url('/js/graph.js', ver=c.kallithea_version)}"></script>

<script type="text/javascript">

  pyroutes.register('pullrequest_repo_info', "${url('pullrequest_repo_info',repo_name='%(repo_name)s')}", ['repo_name']);

  var pendingajax = undefined;

  var otherrepoChanged = function(){

      var $other_ref = $('#other_ref');

      $other_ref.prop('disabled', true);

      var repo_name = $('#other_repo').val();

      if (pendingajax) {

          pendingajax.abort();

          pendingajax = undefined;

      }

      pendingajax = ajaxGET(pyroutes.url('pullrequest_repo_info', {"repo_name": repo_name}),

          function(data){

              pendingajax = undefined;

              $('#other_repo_desc').html(data.description);

              // replace options of other_ref with the ones for the current other_repo

              $other_ref.empty();

              for(var i = 0; i < data.refs.length; i++)

              {

                var $optgroup = $('<optgroup/>').prop('label', data.refs[i][1]);

                var options = data.refs[i][0];

                var length = options.length;

                for(var j = 0; j < length; j++)

                {

                  $optgroup.append($('<option/>').text(options[j][1]).val(options[j][0]));

                }

                $other_ref.append($optgroup);

              }

              $other_ref.val(data.selected_ref);

              // re-populate the select2 thingy

              $("#other_ref").select2({

                  dropdownAutoWidth: true

              });

              $other_ref.prop('disabled', false);

              loadPreview();

          });

  };

  var loadPreview = function(){

      //url template

      var url = "${h.url('compare_url',

                         repo_name='__other_repo__',

                         org_ref_type='rev',

                         org_ref_name='__other_ref_name__',

                         other_repo='__org_repo__',

                         other_ref_type='rev',

                         other_ref_name='__org_ref_name__',

                         as_form=True,

                         merge=True,

                         )}";

      var org_repo = $('#pull_request_form #org_repo').val();

      var org_ref = $('#pull_request_form #org_ref').val().split(':');

      ## TODO: make nice link like link_to_ref() do

      $('#org_rev_span').html(org_ref[2].substr(0,12));

      var other_repo = $('#pull_request_form #other_repo').val();

      var other_ref = $('#pull_request_form #other_ref').val().split(':');

      $('#other_rev_span').html(other_ref[2].substr(0,12));

      var rev_data = {

          '__org_repo__': org_repo,

          '__org_ref_name__': org_ref[2],

          '__other_repo__': other_repo,

          '__other_ref_name__': other_ref[2]

      }; // gather the org/other ref and repo here

      for (k in rev_data){

          url = url.replace(k,rev_data[k]);

      }

      if (pendingajax) {

          pendingajax.abort();

          pendingajax = undefined;

      }

      pendingajax = asynchtml(url, $('#pull_request_overview'), function(o){

          pendingajax = undefined;

          var r = new BranchRenderer('graph_canvas', 'graph_content_pr', 'chg_');

          r.render(jsdata,100);

      });

  }

  $(document).ready(function(){

      $("#org_repo").select2({

          dropdownAutoWidth: true

      });

      ## (org_repo can't change)

      $("#org_ref").select2({

          dropdownAutoWidth: true,

          sortResults: branchSort

      });

      $("#org_ref").on("change", function(e){

          loadPreview();

      });

      $("#other_repo").select2({

          dropdownAutoWidth: true

      });

      $("#other_repo").on("change", function(e){

          otherrepoChanged();

      });

      $("#other_ref").select2({

          dropdownAutoWidth: true,

          sortResults: branchSort

      });

      $("#other_ref").on("change", function(e){

          loadPreview();

      });

      //lazy load overview after 0.5s

      setTimeout(loadPreview, 500);

  });

</script>

</%def>