diff --git a/rhodecode/lib/helpers.py b/rhodecode/lib/helpers.py --- a/rhodecode/lib/helpers.py +++ b/rhodecode/lib/helpers.py @@ -36,7 +36,7 @@ from webhelpers.text import chop_at, col convert_misc_entities, lchop, plural, rchop, remove_formatting, \ replace_whitespace, urlify, truncate, wrap_paragraphs from webhelpers.date import time_ago_in_words -from webhelpers.paginate import Page +from webhelpers.paginate import Page as _Page from webhelpers.html.tags import _set_input_attrs, _set_id_attr, \ convert_boolean_attrs, NotGiven, _make_safe_id_component @@ -809,6 +809,143 @@ def gravatar_url(email_address, size=30) return gravatar_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): + # Hilight the current page number and do not use a link + if thispage == self.page: + text = '%s' % (thispage,) + # 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: + text = '%s' % (thispage,) + 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)) + + 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={'class': 'pager_link'}, + curpage_attr={'class': 'pager_curpage'}, + dotdot_attr={'class': 'pager_dotdot'}, **kwargs): + + self.curpage_attr = curpage_attr + 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 + self.dotdot_attr = dotdot_attr + + # 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 #==============================================================================