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################################
# Author: Benjamin Kellermann #
# License: CC-by-sa 3.0 #
# see License #
################################
class TimePollHead
def initialize
@data = {}
end
def col_size
@data.size
end
def get_id(columntitle)
return columntitle.to_s if @data.include?(columntitle)
raise("no such column found: #{columntitle}")
end
def get_title(columnid)
return columnid if @data.include?(Date.parse(columnid))
raise("no such id found: #{columnid}")
end
def each_columntitle
@data.sort.each{|k,v|
yield(k)
}
end
def each_columnid
@data.sort.each{|k,v|
yield(get_id(k))
}
end
def each_column
@data.sort.each{|k,v|
yield(get_id(k),k)
}
end
# returns internal representation of cgi-string
def cgi_to_id(field)
Date.parse(field)
end
# returns true if deletion sucessfull
def delete_column(columnid)
@data.delete(cgi_to_id(columnid)) != nil
end
# columnid should be never used as changing title is not usefull here
# returns parsed title
def edit_column(columnid, newtitle, cgi)
parsed_date = Date.parse(newtitle)
if @data.include?(parsed_date)
@data.delete(parsed_date)
else
@data[parsed_date] = ""
end
parsed_date.to_s
end
def to_html(config = false,activecolumn = nil)
# returns a sorted array, containing the big units and how often each small is in the big one
# small and big must be formated for strftime
# ex: head_count("%Y-%m", "-%d") returns an array like [["2009-03",2],["2009-04",3]]
def head_count(big,small)
ret = Hash.new(0)
@data.keys.collect{|curdate|
Time.parse(curdate.strftime(big + small))
}.uniq.each{|day|
ret[day.strftime(big)] += 1
}
ret.sort
end
ret = "<tr><td></td>"
head_count("%Y-%m","-%d %H:%M%Z").each{|title,count|
year, month = title.split("-").collect{|e| e.to_i}
ret += "<th colspan='#{count}'>#{Date::ABBR_MONTHNAMES[month]} #{year}</th>\n"
}
ret += "</tr><tr><th><a href='?sort=name'>Name</a></th>"
@data.keys.sort.each{|curdate|
ret += "<th><a title='#{curdate}' href='?sort=#{curdate.to_s}'>#{curdate.strftime("%a, %d")}</a></th>\n"
}
ret += "<th><a href='.'>Last Edit</a></th>\n</tr>\n"
ret
end
def edit_column_htmlform(activecolumn)
if $cgi.include?("add_remove_column_month")
if $cgi.params["add_remove_column_month"].size == 1
startdate = Date.parse("#{$cgi["add_remove_column_month"]}-1")
else
olddate = $cgi.params["add_remove_column_month"][1]
case $cgi["add_remove_column_month"]
when CGI.unescapeHTML(YEARBACK)
startdate = Date.parse("#{olddate}-1")-365
when CGI.unescapeHTML(MONTHBACK)
startdate = Date.parse("#{olddate}-1")-1
when CGI.unescapeHTML(MONTHFORWARD)
startdate = Date.parse("#{olddate}-1")+31
when CGI.unescapeHTML(YEARFORWARD)
startdate = Date.parse("#{olddate}-1")+366
else
exit
end
startdate = Date.parse("#{startdate.year}-#{startdate.month}-1")
end
else
startdate = Date.parse("#{Date.today.year}-#{Date.today.month}-1")
end
ret = <<END
<fieldset><legend>Add/Remove Column</legend>
<div style="float: left; margin-right: 20px">
<table><tr>
END
def navi val,curmonth
return <<END
<th style='padding:0px'>
<form method='post' action=''>
<div>
<input class='navigation' type='submit' name='add_remove_column_month' value='#{val}' />
<input type='hidden' name='add_remove_column_month' value='#{curmonth.strftime("%Y-%m")}' />
</div>
</form>
</th>
END
end
[YEARBACK,MONTHBACK].each{|val| ret += navi(val,startdate)}
ret += "<th colspan='3'>#{startdate.strftime("%b %Y")}</th>"
[MONTHFORWARD, YEARFORWARD].each{|val| ret += navi(val,startdate)}
ret += "</tr><tr>\n"
7.times{|i| ret += "<th class='weekday'>#{Date::ABBR_DAYNAMES[(i+1)%7]}</th>" }
ret += "</tr><tr>\n"
((startdate.wday+7-1)%7).times{
ret += "<td></td>"
}
d = startdate
while (d.month == startdate.month) do
klasse = "notchoosen"
varname = "new_columnname"
klasse = "disabled" if d < Date.today
if @data.include?(d)
klasse = "choosen"
varname = "deletecolumn"
end
ret += <<TD
<td class='calendarday'>
<form method='post' action=''>
<div>
<input class='#{klasse}' type='submit' value='#{d.day}' />
<input type='hidden' name='#{varname}' value='#{startdate.strftime("%Y-%m")}-#{d.day}' />
</div>
</form>
</td>
TD
ret += "</tr><tr>\n" if d.wday == 0
d = d.next
end
ret += <<END
</tr></table>
</div>
</fieldset>
END
ret
end
end
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