diff options
Diffstat (limited to 'forum/templatetags/extra_tags.py')
| -rw-r--r-- | forum/templatetags/extra_tags.py | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/forum/templatetags/extra_tags.py b/forum/templatetags/extra_tags.py new file mode 100644 index 00000000..7c53c2cb --- /dev/null +++ b/forum/templatetags/extra_tags.py @@ -0,0 +1,232 @@ +import time
+import datetime
+import math
+import re
+import logging
+from django import template
+from django.utils.encoding import smart_unicode
+from django.utils.safestring import mark_safe
+from django.utils.timesince import timesince
+from forum.const import *
+
+register = template.Library()
+
+GRAVATAR_TEMPLATE = ('<img width="%(size)s" height="%(size)s" '
+ 'src="http://www.gravatar.com/avatar/%(gravatar_hash)s'
+ '?s=%(size)s&d=identicon&r=PG">')
+
+@register.simple_tag
+def gravatar(user, size):
+ """
+ Creates an ``<img>`` for a user's Gravatar with a given size.
+
+ This tag can accept a User object, or a dict containing the
+ appropriate values.
+ """
+ try:
+ gravatar = user['gravatar']
+ except (TypeError, AttributeError, KeyError):
+ gravatar = user.gravatar
+ return mark_safe(GRAVATAR_TEMPLATE % {
+ 'size': size,
+ 'gravatar_hash': gravatar,
+ })
+
+MAX_FONTSIZE = 18
+MIN_FONTSIZE = 12
+@register.simple_tag
+def tag_font_size(max_size, min_size, current_size):
+ """
+ do a logarithmic mapping calcuation for a proper size for tagging cloud
+ Algorithm from http://blogs.dekoh.com/dev/2007/10/29/choosing-a-good-font-size-variation-algorithm-for-your-tag-cloud/
+ """
+ #avoid invalid calculation
+ if current_size == 0:
+ current_size = 1
+ try:
+ weight = (math.log10(current_size) - math.log10(min_size)) / (math.log10(max_size) - math.log10(min_size))
+ except:
+ weight = 0
+ return MIN_FONTSIZE + round((MAX_FONTSIZE - MIN_FONTSIZE) * weight)
+
+
+LEADING_PAGE_RANGE_DISPLAYED = TRAILING_PAGE_RANGE_DISPLAYED = 5
+LEADING_PAGE_RANGE = TRAILING_PAGE_RANGE = 4
+NUM_PAGES_OUTSIDE_RANGE = 1
+ADJACENT_PAGES = 2
+@register.inclusion_tag("paginator.html")
+def cnprog_paginator(context):
+ """
+ custom paginator tag
+ Inspired from http://blog.localkinegrinds.com/2007/09/06/digg-style-pagination-in-django/
+ """
+ if (context["is_paginated"]):
+ " Initialize variables "
+ in_leading_range = in_trailing_range = False
+ pages_outside_leading_range = pages_outside_trailing_range = range(0)
+
+ if (context["pages"] <= LEADING_PAGE_RANGE_DISPLAYED):
+ in_leading_range = in_trailing_range = True
+ page_numbers = [n for n in range(1, context["pages"] + 1) if n > 0 and n <= context["pages"]]
+ elif (context["page"] <= LEADING_PAGE_RANGE):
+ in_leading_range = True
+ page_numbers = [n for n in range(1, LEADING_PAGE_RANGE_DISPLAYED + 1) if n > 0 and n <= context["pages"]]
+ pages_outside_leading_range = [n + context["pages"] for n in range(0, -NUM_PAGES_OUTSIDE_RANGE, -1)]
+ elif (context["page"] > context["pages"] - TRAILING_PAGE_RANGE):
+ in_trailing_range = True
+ page_numbers = [n for n in range(context["pages"] - TRAILING_PAGE_RANGE_DISPLAYED + 1, context["pages"] + 1) if n > 0 and n <= context["pages"]]
+ pages_outside_trailing_range = [n + 1 for n in range(0, NUM_PAGES_OUTSIDE_RANGE)]
+ else:
+ page_numbers = [n for n in range(context["page"] - ADJACENT_PAGES, context["page"] + ADJACENT_PAGES + 1) if n > 0 and n <= context["pages"]]
+ pages_outside_leading_range = [n + context["pages"] for n in range(0, -NUM_PAGES_OUTSIDE_RANGE, -1)]
+ pages_outside_trailing_range = [n + 1 for n in range(0, NUM_PAGES_OUTSIDE_RANGE)]
+
+ extend_url = context.get('extend_url', '')
+ return {
+ "base_url": context["base_url"],
+ "is_paginated": context["is_paginated"],
+ "previous": context["previous"],
+ "has_previous": context["has_previous"],
+ "next": context["next"],
+ "has_next": context["has_next"],
+ "page": context["page"],
+ "pages": context["pages"],
+ "page_numbers": page_numbers,
+ "in_leading_range" : in_leading_range,
+ "in_trailing_range" : in_trailing_range,
+ "pages_outside_leading_range": pages_outside_leading_range,
+ "pages_outside_trailing_range": pages_outside_trailing_range,
+ "extend_url" : extend_url
+ }
+
+@register.inclusion_tag("pagesize.html")
+def cnprog_pagesize(context):
+ """
+ display the pagesize selection boxes for paginator
+ """
+ if (context["is_paginated"]):
+ return {
+ "base_url": context["base_url"],
+ "pagesize" : context["pagesize"],
+ "is_paginated": context["is_paginated"]
+ }
+
+@register.simple_tag
+def get_score_badge(user):
+ BADGE_TEMPLATE = '<span class="score" title="%(reputation)s用户积分">%(reputation)s</span>'
+ if user.gold > 0 :
+ BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ' <span title="%(gold)s枚金牌">'
+ '<span class="badge1">●</span>'
+ '<span class="badgecount">%(gold)s</span>'
+ '</span>')
+ if user.silver > 0:
+ BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ' <span title="%(silver)s枚银牌">'
+ '<span class="silver">●</span>'
+ '<span class="badgecount">%(silver)s</span>'
+ '</span>')
+ if user.bronze > 0:
+ BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ' <span title="%(bronze)s枚铜牌">'
+ '<span class="bronze">●</span>'
+ '<span class="badgecount">%(bronze)s</span>'
+ '</span>')
+ BADGE_TEMPLATE = smart_unicode(BADGE_TEMPLATE, encoding='utf-8', strings_only=False, errors='strict')
+ return mark_safe(BADGE_TEMPLATE % {
+ 'reputation' : user.reputation,
+ 'gold' : user.gold,
+ 'silver' : user.silver,
+ 'bronze' : user.bronze,
+ })
+
+@register.simple_tag
+def get_score_badge_by_details(rep, gold, silver, bronze):
+ BADGE_TEMPLATE = '<span class="reputation-score" title="%(reputation)s用户积分">%(reputation)s</span>'
+ if gold > 0 :
+ BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, '<span title="%(gold)s枚金牌">'
+ '<span class="badge1">●</span>'
+ '<span class="badgecount">%(gold)s</span>'
+ '</span>')
+ if silver > 0:
+ BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, '<span title="%(silver)s枚银牌">'
+ '<span class="badge2">●</span>'
+ '<span class="badgecount">%(silver)s</span>'
+ '</span>')
+ if bronze > 0:
+ BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, '<span title="%(bronze)s枚铜牌">'
+ '<span class="badge3">●</span>'
+ '<span class="badgecount">%(bronze)s</span>'
+ '</span>')
+ BADGE_TEMPLATE = smart_unicode(BADGE_TEMPLATE, encoding='utf-8', strings_only=False, errors='strict')
+ return mark_safe(BADGE_TEMPLATE % {
+ 'reputation' : rep,
+ 'gold' : gold,
+ 'silver' : silver,
+ 'bronze' : bronze,
+ })
+
+@register.simple_tag
+def get_user_vote_image(dic, key, arrow):
+ if dic.has_key(key):
+ if int(dic[key]) == int(arrow):
+ return '-on'
+ return ''
+
+@register.simple_tag
+def get_age(birthday):
+ current_time = datetime.datetime(*time.localtime()[0:6])
+ diff = current_time - birthday
+ return diff.days / 365
+
+@register.simple_tag
+def get_total_count(up_count, down_count):
+ return up_count + down_count
+
+@register.simple_tag
+def format_number(value):
+ strValue = str(value)
+ if len(strValue) <= 3:
+ return strValue
+ result = ''
+ first = ''
+ pattern = re.compile('(-?\d+)(\d{3})')
+ m = re.match(pattern, strValue)
+ while m != None:
+ first = m.group(1)
+ second = m.group(2)
+ result = ',' + second + result
+ strValue = first + ',' + second
+ m = re.match(pattern, strValue)
+ return first + result
+
+@register.simple_tag
+def convert2tagname_list(question):
+ question['tagnames'] = [name for name in question['tagnames'].split(u' ')]
+ return ''
+
+@register.simple_tag
+def diff_date(date, limen=2):
+ current_time = datetime.datetime(*time.localtime()[0:6])
+ diff = current_time - date
+ diff_days = diff.days
+ if diff_days > limen:
+ return date
+ else:
+ return timesince(date) + u'前'
+
+@register.simple_tag
+def get_latest_changed_timestamp():
+ try:
+ from time import localtime, strftime
+ from os import path
+ from django.conf import settings
+ root = settings.SITE_SRC_ROOT
+ dir = (
+ root,
+ '%s/forum' % root,
+ '%s/templates' % root,
+ )
+ stamp = (path.getmtime(d) for d in dir)
+ latest = max(stamp)
+ timestr = strftime("%H:%M %b-%d-%Y %Z", localtime(latest))
+ except:
+ timestr = ''
+ return timestr
\ No newline at end of file |