url_ = url('summary_home', repo_name=repo_name)

        return _('Fork name %s') % link_to(action_params, url_)

    def get_user_name():

        user_name = action_params

        return user_name

    def get_users_group():

        group_name = action_params

        return group_name

    def get_pull_request():

        pull_request_id = action_params

        nice_id = PullRequest.make_nice_id(pull_request_id)

        deleted = user_log.repository is None

        if deleted:

            repo_name = user_log.repository_name

        else:

            repo_name = user_log.repository.repo_name

        return link_to(_('Pull request %s') % nice_id,

                    url('pullrequest_show', repo_name=repo_name,

                    pull_request_id=pull_request_id))

    def get_archive_name():

        archive_name = action_params

        return archive_name

    # action : translated str, callback(extractor), icon

    action_map = {

    'user_deleted_repo':           (_('[deleted] repository'),

                                    None, 'icon-trashcan'),

    'user_created_repo':           (_('[created] repository'),

                                    None, 'icon-plus'),

    'user_created_fork':           (_('[created] repository as fork'),

                                    None, 'icon-fork'),

    'user_forked_repo':            (_('[forked] repository'),

                                    get_fork_name, 'icon-fork'),

    'user_updated_repo':           (_('[updated] repository'),

                                    None, 'icon-pencil'),

    'user_downloaded_archive':      (_('[downloaded] archive from repository'),

                                    get_archive_name, 'icon-download-cloud'),

    'admin_deleted_repo':          (_('[delete] repository'),

                                    None, 'icon-trashcan'),

    'admin_created_repo':          (_('[created] repository'),

                                    None, 'icon-plus'),

    'admin_forked_repo':           (_('[forked] repository'),

                                    None, 'icon-fork'),

    'admin_updated_repo':          (_('[updated] repository'),

                                    None, 'icon-pencil'),

    'admin_created_user':          (_('[created] user'),

                                    get_user_name, 'icon-user'),

    'admin_updated_user':          (_('[updated] user'),

                                    get_user_name, 'icon-user'),

    'admin_created_users_group':   (_('[created] user group'),

                                    get_users_group, 'icon-pencil'),

    'admin_updated_users_group':   (_('[updated] user group'),

                                    get_users_group, 'icon-pencil'),

    'user_commented_revision':     (_('[commented] on revision in repository'),

                                    get_cs_links, 'icon-comment'),

    'user_commented_pull_request': (_('[commented] on pull request for'),

                                    get_pull_request, 'icon-comment'),

    'user_closed_pull_request':    (_('[closed] pull request for'),

                                    get_pull_request, 'icon-ok'),

    'push':                        (_('[pushed] into'),

                                    get_cs_links, 'icon-move-up'),

    'push_local':                  (_('[committed via Kallithea] into repository'),

                                    get_cs_links, 'icon-pencil'),

    'push_remote':                 (_('[pulled from remote] into repository'),

                                    get_cs_links, 'icon-move-up'),

    'pull':                        (_('[pulled] from'),

                                    None, 'icon-move-down'),

    'started_following_repo':      (_('[started following] repository'),

                                    None, 'icon-heart'),

    'stopped_following_repo':      (_('[stopped following] repository'),

                                    None, 'icon-heart-empty'),

    }

    action_str = action_map.get(action, action)

    if feed:

        action = action_str[0].replace('[', '').replace(']', '')

    else:

        action = action_str[0] \

            .replace('[', '<span class="journal_highlight">') \

            .replace(']', '</span>')

    action_params_func = lambda: ""

    if callable(action_str[1]):

        action_params_func = action_str[1]

    def action_parser_icon():

        action = user_log.action

        action_params = None

        x = action.split(':')

        if len(x) > 1:

            action, action_params = x

        tmpl = """<i class="%s" alt="%s"></i>"""

        ico = action_map.get(action, ['', '', ''])[2]

        return literal(tmpl % (ico, action))

    # returned callbacks we need to call to get

    return [lambda: literal(action), action_params_func, action_parser_icon]

#==============================================================================

# PERMS

#==============================================================================

from kallithea.lib.auth import HasPermissionAny, HasPermissionAll, \

HasRepoPermissionAny, HasRepoPermissionAll, HasRepoGroupPermissionAll, \

HasRepoGroupPermissionAny

#==============================================================================

# GRAVATAR URL

#==============================================================================

def gravatar_div(email_address, cls='', size=30, **div_attributes):

    """Return an html literal with a div around a gravatar if they are enabled.

    Extra keyword parameters starting with 'div_' will get the prefix removed

    and be used as attributes on the div. The default class is 'gravatar'.

    """

    from pylons import tmpl_context as c

    if not c.visual.use_gravatar:

        return ''

    if 'div_class' not in div_attributes:

        div_attributes['div_class'] = "gravatar"

    attributes = []

    for k, v in sorted(div_attributes.items()):

        assert k.startswith('div_'), k

        attributes.append(' %s="%s"' % (k[4:], escape(v)))

    return literal("""<div%s>%s</div>""" %

                   (''.join(attributes),

                    gravatar(email_address, cls=cls, size=size)))

def gravatar(email_address, cls='', size=30):

    """return html element of the gravatar

    This method will return an <img> with the resolution double the size (for

    retina screens) of the image. If the url returned from gravatar_url is

    empty then we fallback to using an icon.

    """

    from pylons import tmpl_context as c

    if not c.visual.use_gravatar:

        return ''

    src = gravatar_url(email_address, size * 2)

    if src:

        # here it makes sense to use style="width: ..." (instead of, say, a

        # stylesheet) because we using this to generate a high-res (retina) size

        html = ('<img alt="" class="{cls}" style="width: {size}px; height: {size}px" src="{src}"/>'

            .format(cls=cls, size=size, src=src))

    else:

        # if src is empty then there was no gravatar, so we use a font icon

        html = ("""<i class="icon-user {cls}" style="font-size: {size}px;"></i>"""

            .format(cls=cls, size=size, src=src))

    return literal(html)

def gravatar_url(email_address, size=30, default=''):

    # doh, we need to re-import those to mock it later

    from pylons import url

    from pylons import tmpl_context as c

    if not c.visual.use_gravatar:

        return ""

    _def = 'anonymous@kallithea-scm.org'  # default gravatar

    email_address = email_address or _def

    if email_address == _def:

        return default

    parsed_url = urlparse.urlparse(url.current(qualified=True))

    url = (c.visual.gravatar_url or User.DEFAULT_GRAVATAR_URL ) \

               .replace('{email}', email_address) \

               .replace('{md5email}', hashlib.md5(safe_str(email_address).lower()).hexdigest()) \

               .replace('{netloc}', parsed_url.netloc) \

               .replace('{scheme}', parsed_url.scheme) \

               .replace('{size}', safe_str(size))

    return url

class Page(_Page):

    """

    Custom pager to match rendering style with YUI paginator

    """

    def _get_pos(self, cur_page, max_page, items):

        edge = (items / 2) + 1

        if (cur_page <= edge):

            radius = max(items / 2, items - cur_page)

        elif (max_page - cur_page) < edge:

            radius = (items - 1) - (max_page - cur_page)

        else:

            radius = items / 2

        left = max(1, (cur_page - (radius)))

        right = min(max_page, cur_page + (radius))

        return left, cur_page, right

    def _range(self, regexp_match):

        """

        Return range of linked pages (e.g. '1 2 [3] 4 5 6 7 8').

        Arguments:

        regexp_match

            A "re" (regular expressions) match object containing the

            radius of linked pages around the current page in

            regexp_match.group(1) as a string

        This function is supposed to be called as a callable in

        re.sub.

        """

        radius = int(regexp_match.group(1))

        # Compute the first and last page number within the radius

        # e.g. '1 .. 5 6 [7] 8 9 .. 12'

        # -> leftmost_page  = 5

        # -> rightmost_page = 9

        leftmost_page, _cur, rightmost_page = self._get_pos(self.page,

                                                            self.last_page,

                                                            (radius * 2) + 1)

        nav_items = []

        # Create a link to the first page (unless we are on the first page

        # or there would be no need to insert '..' spacers)

        if self.page != self.first_page and self.first_page < leftmost_page:

            nav_items.append(self._pagerlink(self.first_page, self.first_page))

        # Insert dots if there are pages between the first page

        # and the currently displayed page range

        if leftmost_page - self.first_page > 1:

            # Wrap in a SPAN tag if nolink_attr is set

            text_ = '..'

            if self.dotdot_attr:

                text_ = HTML.span(c=text_, **self.dotdot_attr)

            nav_items.append(text_)

        for thispage in xrange(leftmost_page, rightmost_page + 1):

            # Highlight the current page number and do not use a link

            text_ = str(thispage)

            if thispage == self.page:

                # Wrap in a SPAN tag if nolink_attr is set

                if self.curpage_attr:

                    text_ = HTML.span(c=text_, **self.curpage_attr)

                nav_items.append(text_)

            # Otherwise create just a link to that page

            else:

                nav_items.append(self._pagerlink(thispage, text_))

        # Insert dots if there are pages between the displayed

        # page numbers and the end of the page range

        if self.last_page - rightmost_page > 1:

            text_ = '..'

            # Wrap in a SPAN tag if nolink_attr is set

            if self.dotdot_attr:

                text_ = HTML.span(c=text_, **self.dotdot_attr)

            nav_items.append(text_)

        # Create a link to the very last page (unless we are on the last

        # page or there would be no need to insert '..' spacers)

        if self.page != self.last_page and rightmost_page < self.last_page:

            nav_items.append(self._pagerlink(self.last_page, self.last_page))

        #_page_link = url.current()

        #nav_items.append(literal('<link rel="prerender" href="%s?page=%s">' % (_page_link, str(int(self.page)+1))))

        #nav_items.append(literal('<link rel="prefetch" href="%s?page=%s">' % (_page_link, str(int(self.page)+1))))

        return self.separator.join(nav_items)

    def pager(self, format='~2~', page_param='page', partial_param='partial',

        show_if_single_page=False, separator=' ', onclick=None,

        symbol_first='<<', symbol_last='>>',

        symbol_previous='<', symbol_next='>',

        link_attr=None,

        curpage_attr=None,

        dotdot_attr=None, **kwargs):

        self.curpage_attr = curpage_attr or {'class': 'pager_curpage'}

        self.separator = separator

        self.pager_kwargs = kwargs

        self.page_param = page_param

        self.partial_param = partial_param

        self.onclick = onclick

        self.link_attr = link_attr or {'class': 'pager_link', 'rel': 'prerender'}

        self.dotdot_attr = dotdot_attr or {'class': 'pager_dotdot'}

        # Don't show navigator if there is no more than one page

        if self.page_count == 0 or (self.page_count == 1 and not show_if_single_page):

            return ''

        from string import Template

        # Replace ~...~ in token format by range of pages

        result = re.sub(r'~(\d+)~', self._range, format)

        # Interpolate '%' variables

        result = Template(result).safe_substitute({

            'first_page': self.first_page,

            'last_page': self.last_page,

            'page': self.page,

            'page_count': self.page_count,

            'items_per_page': self.items_per_page,

            'first_item': self.first_item,

            'last_item': self.last_item,

            'item_count': self.item_count,

            'link_first': self.page > self.first_page and \

                    self._pagerlink(self.first_page, symbol_first) or '',

            'link_last': self.page < self.last_page and \

                    self._pagerlink(self.last_page, symbol_last) or '',

            'link_previous': self.previous_page and \

                    self._pagerlink(self.previous_page, symbol_previous) \

                    or HTML.span(symbol_previous, class_="yui-pg-previous"),

            'link_next': self.next_page and \

                    self._pagerlink(self.next_page, symbol_next) \

                    or HTML.span(symbol_next, class_="yui-pg-next")

        })

        return literal(result)

#==============================================================================

# REPO PAGER, PAGER FOR REPOSITORY

#==============================================================================

class RepoPage(Page):

    def __init__(self, collection, page=1, items_per_page=20,

        """Create a "RepoPage" instance. special pager for paging

        repository

        """

        # Safe the kwargs class-wide so they can be used in the pager() method

        self.kwargs = kwargs

        # Save a reference to the collection

        self.original_collection = collection

        self.collection = collection

        # The self.page is the number of the current page.

        # The first page has the number 1!

        try:

            self.page = int(page)  # make it int() if we get it as a string

        except (ValueError, TypeError):

            self.page = 1

        self.items_per_page = items_per_page

        # Unless the user tells us how many items the collections has

        # we calculate that ourselves.

        if item_count is not None:

            self.item_count = item_count

        else:

            self.item_count = len(self.collection)

        # Compute the number of the first and last available page

        if self.item_count > 0:

            self.first_page = 1

            self.page_count = int(math.ceil(float(self.item_count) /

                                            self.items_per_page))

            self.last_page = self.first_page + self.page_count - 1

            # Make sure that the requested page number is the range of

            # valid pages

            if self.page > self.last_page:

                self.page = self.last_page

            elif self.page < self.first_page:

                self.page = self.first_page

            # Note: the number of items on this page can be less than

            #       items_per_page if the last page is not full

            self.first_item = max(0, (self.item_count) - (self.page *

                                                          items_per_page))

            self.last_item = ((self.item_count - 1) - items_per_page *

                              (self.page - 1))

            self.items = list(self.collection[self.first_item:self.last_item + 1])

            # Links to previous and next page

            if self.page > self.first_page:

                self.previous_page = self.page - 1

            else:

                self.previous_page = None

            if self.page < self.last_page:

                self.next_page = self.page + 1

            else:

                self.next_page = None

        # No items available

        else:

            self.first_page = None

            self.page_count = 0

            self.last_page = None

            self.first_item = None

            self.last_item = None

            self.previous_page = None

            self.next_page = None

            self.items = []

        # This is a subclass of the 'list' type. Initialise the list now.

        list.__init__(self, reversed(self.items))

def changed_tooltip(nodes):

    """

    Generates a html string for changed nodes in changeset page.

    It limits the output to 30 entries

    :param nodes: LazyNodesGenerator

    """

    if nodes:

        pref = ': <br/> '

        suf = ''

        if len(nodes) > 30:

            suf = '<br/>' + _(' and %s more') % (len(nodes) - 30)

        return literal(pref + '<br/> '.join([safe_unicode(x.path)

                                             for x in nodes[:30]]) + suf)

    else:

        return ': ' + _('No files')

def repo_link(groups_and_repos):

    """

    Makes a breadcrumbs link to repo within a group

    joins » on each group to create a fancy link

    ex::

        group >> subgroup >> repo

    :param groups_and_repos:

    :param last_url:

    """

    groups, just_name, repo_name = groups_and_repos

    last_url = url('summary_home', repo_name=repo_name)

    last_link = link_to(just_name, last_url)

    def make_link(group):

        return link_to(group.name,

                       url('repos_group_home', group_name=group.group_name))

    return literal(' &raquo; '.join(map(make_link, groups) + ['<span>%s</span>' % last_link]))

def fancy_file_stats(stats):

    """

    Displays a fancy two colored bar for number of added/deleted

    lines of code on file

    :param stats: two element list of added/deleted lines of code

    """

    from kallithea.lib.diffs import NEW_FILENODE, DEL_FILENODE, \

        MOD_FILENODE, RENAMED_FILENODE, CHMOD_FILENODE, BIN_FILENODE

    def cgen(l_type, a_v, d_v):

        mapping = {'tr': 'top-right-rounded-corner-mid',

                   'tl': 'top-left-rounded-corner-mid',

                   'br': 'bottom-right-rounded-corner-mid',

                   'bl': 'bottom-left-rounded-corner-mid'}

        map_getter = lambda x: mapping[x]

        if l_type == 'a' and d_v:

            #case when added and deleted are present

            return ' '.join(map(map_getter, ['tl', 'bl']))

        if l_type == 'a' and not d_v:

            return ' '.join(map(map_getter, ['tr', 'br', 'tl', 'bl']))

        if l_type == 'd' and a_v:

            return ' '.join(map(map_getter, ['tr', 'br']))

        if l_type == 'd' and not a_v:

            return ' '.join(map(map_getter, ['tr', 'br', 'tl', 'bl']))

    a, d = stats['added'], stats['deleted']

    width = 100

    if stats['binary']:

        #binary mode

        lbl = ''

        bin_op = 1

        if BIN_FILENODE in stats['ops']:

            lbl = 'bin+'

        if NEW_FILENODE in stats['ops']:

            lbl += _('new file')

            bin_op = NEW_FILENODE

        elif MOD_FILENODE in stats['ops']:

            lbl += _('mod')

            bin_op = MOD_FILENODE

        elif DEL_FILENODE in stats['ops']:

            lbl += _('del')

            bin_op = DEL_FILENODE

        elif RENAMED_FILENODE in stats['ops']:

            lbl += _('rename')

            bin_op = RENAMED_FILENODE

        #chmod can go with other operations

        if CHMOD_FILENODE in stats['ops']:

            _org_lbl = _('chmod')

            lbl += _org_lbl if lbl.endswith('+') else '+%s' % _org_lbl

        #import ipdb;ipdb.set_trace()

        b_d = '<div class="bin bin%s %s" style="width:100%%">%s</div>' % (bin_op, cgen('a', a_v='', d_v=0), lbl)

        b_a = '<div class="bin bin1" style="width:0%"></div>'

        return literal('<div style="width:%spx">%s%s</div>' % (width, b_a, b_d))

    t = stats['added'] + stats['deleted']

    unit = float(width) / (t or 1)

    # needs > 9% of width to be visible or 0 to be hidden

    a_p = max(9, unit * a) if a > 0 else 0

    d_p = max(9, unit * d) if d > 0 else 0

    p_sum = a_p + d_p

    if p_sum > width:

        #adjust the percentage to be == 100% since we adjusted to 9

        if a_p > d_p:

            a_p = a_p - (p_sum - width)

        else:

            d_p = d_p - (p_sum - width)