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bpo-30095: Make CSS classes used by calendar.HTMLCalendar customizable (GH-1439)

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Several class attributes have been added to calendar.HTMLCalendar that allow customization of the CSS classes used in the resulting HTML. This can be done by subclasses HTMLCalendar and overwriting those class attributes (Patch by Oz Tiram).
This commit is contained in:
Oz N Tiram 2017-06-06 11:35:59 +02:00 • committed by Walter Dörwald
parent 167e0fc211
commit 8b7a4cc40e
5 changed files with 205 additions and 44 deletions
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36
Lib/calendar.py
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@ -382,12 +382,31 @@ class HTMLCalendar(Calendar):
# CSS classes for the day <td>s
cssclasses = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"]
# CSS classes for the day <th>s
cssclasses_weekday_head = cssclasses
# CSS class for the days before and after current month
cssclass_noday = "noday"
# CSS class for the month's head
cssclass_month_head = "month"
# CSS class for the month
cssclass_month = "month"
# CSS class for the year's table head
cssclass_year_head = "year"
# CSS class for the whole year table
cssclass_year = "year"
def formatday(self, day, weekday):
"""
Return a day as a table cell.
"""
if day == 0:
return '<td class="noday">&nbsp;</td>' # day outside month
# day outside month
return '<td class="%s">&nbsp;</td>' % self.cssclass_noday
else:
return '<td class="%s">%d</td>' % (self.cssclasses[weekday], day)
@ -402,7 +421,8 @@ class HTMLCalendar(Calendar):
"""
Return a weekday name as a table header.
"""
return '<th class="%s">%s</th>' % (self.cssclasses[day], day_abbr[day])
return '<th class="%s">%s</th>' % (
self.cssclasses_weekday_head[day], day_abbr[day])
def formatweekheader(self):
"""
@ -419,7 +439,8 @@ class HTMLCalendar(Calendar):
s = '%s %s' % (month_name[themonth], theyear)
else:
s = '%s' % month_name[themonth]
return '<tr><th colspan="7" class="month">%s</th></tr>' % s
return '<tr><th colspan="7" class="%s">%s</th></tr>' % (
self.cssclass_month_head, s)
def formatmonth(self, theyear, themonth, withyear=True):
"""
@ -427,7 +448,8 @@ class HTMLCalendar(Calendar):
"""
v = []
a = v.append
a('<table border="0" cellpadding="0" cellspacing="0" class="month">')
a('<table border="0" cellpadding="0" cellspacing="0" class="%s">' % (
self.cssclass_month))
a('\n')
a(self.formatmonthname(theyear, themonth, withyear=withyear))
a('\n')
@ -447,9 +469,11 @@ class HTMLCalendar(Calendar):
v = []
a = v.append
width = max(width, 1)
a('<table border="0" cellpadding="0" cellspacing="0" class="year">')
a('<table border="0" cellpadding="0" cellspacing="0" class="%s">' %
self.cssclass_year)
a('\n')
a('<tr><th colspan="%d" class="year">%s</th></tr>' % (width, theyear))
a('<tr><th colspan="%d" class="%s">%s</th></tr>' % (
width, self.cssclass_year_head, theyear))
for i in range(January, January+12, width):
# months in this row
months = range(i, min(i+width, 13))