kallithea: rhodecode/lib/helpers.py comparison

comparison rhodecode/lib/helpers.py @ 1098:91ddd4db4614 beta

Added dedicated repo pager to support reversed new way slicing method of vcs and get_changesets method

author	Marcin Kuzminski <marcin@python-works.com>
date	Sun, 27 Feb 2011 01:57:17 +0100
parents	51076a2a2b64
children	e7d7f05217c1

comparison

equal deleted inserted replaced

-:ecf255351311
+:91ddd4db4614
 from webhelpers.pylonslib.secure_form import secure_form
 from webhelpers.text import chop_at, collapse, convert_accented_entities, \
 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.html.tags import _set_input_attrs, _set_id_attr, \
 convert_boolean_attrs, NotGiven
 def _reset(name, value=None, id=NotGiven, type="reset", **attrs):
 """Reset button
 gravatar_url = baseurl + hashlib.md5(email_address.lower()).hexdigest() + "?"
 gravatar_url += urllib.urlencode({'d':default, 's':str(size)})
 return gravatar_url
+#==============================================================================
+# REPO PAGER
+#==============================================================================
+class RepoPage(Page):
+def __init__(self, collection, page=1, items_per_page=20,
+item_count=None, url=None, **kwargs):
+"""Create a "RepoPage" instance. special pager for paging
+repository
+"""
+self._url_generator = url
+# 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 = ((self.item_count - 1) / self.items_per_page) + 1
+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)) + 1
+iterator = self.collection.get_changesets(start=self.first_item,
+end=self.last_item,
+reverse=True)
+self.items = list(iterator)
+# 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, self.items)
 def safe_unicode(str):
 """safe unicode function. In case of UnicodeDecode error we try to return
 unicode with errors replace, if this failes we return unicode with
 string_escape decoding """

Mercurial > kallithea

comparison rhodecode/lib/helpers.py @ 1098:91ddd4db4614 beta