fancy names with icons and links

    :param user_log: user log instance

    :param feed: use output for feeds (no html and fancy icons)

    :param parse_cs: parse Changesets into VCS instances

    """

    action = user_log.action

    action_params = ' '

    x = action.split(':')

    if len(x) > 1:

        action, action_params = x

    def get_cs_links():

        revs_limit = 3  # display this amount always

        revs_top_limit = 50  # show upto this amount of changesets hidden

        revs_ids = action_params.split(',')

        deleted = user_log.repository is None

        if deleted:

            return ','.join(revs_ids)

        repo_name = user_log.repository.repo_name

        def lnk(rev, repo_name):

            lazy_cs = False

            title_ = None

            url_ = '#'

            if isinstance(rev, BaseChangeset) or isinstance(rev, AttributeDict):

                if rev.op and rev.ref_name:

                    if rev.op == 'delete_branch':

                        lbl = _('Deleted branch: %s') % rev.ref_name

                    elif rev.op == 'tag':

                        lbl = _('Created tag: %s') % rev.ref_name

                    else:

                        lbl = 'Unknown operation %s' % rev.op

                else:

                    lazy_cs = True

                    lbl = rev.short_id[:8]

                    url_ = url('changeset_home', repo_name=repo_name,

                               revision=rev.raw_id)

            else:

                # changeset cannot be found - it might have been stripped or removed

                lbl = rev[:12]

                title_ = _('Changeset %s not found') % lbl

            if parse_cs:

                return link_to(lbl, url_, title=title_, class_='tooltip')

        def _get_op(rev_txt):

            _op = None

            _name = rev_txt

            if len(rev_txt.split('=>')) == 2:

                _op, _name = rev_txt.split('=>')

            return _op, _name

        revs = []

        if len(filter(lambda v: v != '', revs_ids)) > 0:

            repo = None

            for rev in revs_ids[:revs_top_limit]:

                _op, _name = _get_op(rev)

                # we want parsed changesets, or new log store format is bad

                if parse_cs:

                    try:

                        if repo is None:

                            repo = user_log.repository.scm_instance

                        _rev = repo.get_changeset(rev)

                        revs.append(_rev)

                    except ChangesetDoesNotExistError:

                        log.error('cannot find revision %s in this repo', rev)

                        revs.append(rev)

                else:

                    _rev = AttributeDict({

                        'short_id': rev[:12],

                        'raw_id': rev,

                        'message': '',

                        'op': _op,

                        'ref_name': _name

                    })

                    revs.append(_rev)

        cs_links = [" " + ', '.join(

            [lnk(rev, repo_name) for rev in revs[:revs_limit]]

        )]

        _op1, _name1 = _get_op(revs_ids[0])

        _op2, _name2 = _get_op(revs_ids[-1])

        _rev = '%s...%s' % (_name1, _name2)

        compare_view = (

            ' <div class="compare_view" data-toggle="tooltip" title="%s">'

            '<a href="%s">%s</a> </div>' % (

                _('Show all combined changesets %s->%s') % (

                    revs_ids[0][:12], revs_ids[-1][:12]

                ),

                url('changeset_home', repo_name=repo_name,

};

var ajaxGET = function(url, success, failure) {

    if(failure === undefined) {

        failure = function(jqXHR, textStatus, errorThrown) {

                if (textStatus != "abort")

                    alert("Ajax GET error: " + textStatus);

            };

    }

    return $.ajax({url: url, headers: {'X-PARTIAL-XHR': '1'}, cache: false})

        .done(success)

        .fail(failure);

};

var ajaxPOST = function(url, postData, success, failure) {

    postData['_authentication_token'] = _authentication_token;

    var postData = _toQueryString(postData);

    if(failure === undefined) {

        failure = function(jqXHR, textStatus, errorThrown) {

                if (textStatus != "abort")

                    alert("Error posting to server: " + textStatus);

            };

    }

    return $.ajax({url: url, data: postData, type: 'POST', headers: {'X-PARTIAL-XHR': '1'}, cache: false})

        .done(success)

        .fail(failure);

};

/**

 * activate .show_more links

 * the .show_more must have an id that is the the id of an element to hide prefixed with _

 * the parentnode will be displayed

 */

var show_more_event = function(){

    $('.show_more').click(function(e){

        var el = e.currentTarget;

        $('#' + el.id.substring(1)).hide();

        $(el.parentNode).show();

    });

};

/**

 * activate .lazy-cs mouseover for showing changeset tooltip

 */

var show_changeset_tooltip = function(){

    $('.lazy-cs').mouseover(function(e){

        var $target = $(e.currentTarget);

        if(rid && !$target.hasClass('tooltip')){

            _show_tooltip(e, _TM['loading ...']);

            var url = pyroutes.url('changeset_info', {"repo_name": repo_name, "revision": rid});

            ajaxGET(url, function(json){

                    $target.addClass('tooltip');

                    _show_tooltip(e, json['message']);

                    _activate_tooltip($target);

                });

        }

    });

};

var _onSuccessFollow = function(target){

    var $target = $(target);

    var $f_cnt = $('#current_followers_count');

    if ($target.hasClass('follow')) {

        $target.removeClass('follow').addClass('following');

        $target.prop('title', _TM['Stop following this repository']);

        if ($f_cnt.html()) {

            var cnt = Number($f_cnt.html())+1;

            $f_cnt.html(cnt);

        }

    } else {

        $target.removeClass('following').addClass('follow');

        $target.prop('title', _TM['Start following this repository']);

        if ($f_cnt.html()) {

            var cnt = Number($f_cnt.html())-1;

            $f_cnt.html(cnt);

        }

    }

}

var toggleFollowingRepo = function(target, follows_repository_id){

    var args = 'follows_repository_id=' + follows_repository_id;

    args += '&_authentication_token=' + _authentication_token;

    $.post(TOGGLE_FOLLOW_URL, args, function(data){

            _onSuccessFollow(target);

        });

    return false;

};

var showRepoSize = function(target, repo_name){

    var args = '_authentication_token=' + _authentication_token;

    if(!$("#" + target).hasClass('loaded')){

        $("#" + target).html(_TM['Loading ...']);

        var url = pyroutes.url('repo_size', {"repo_name":repo_name});

        $.post(url, args, function(data) {