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Contents
module RestFtpDaemon
class Paginate
include CommonHelpers
# Class options
attr_writer :filter
attr_accessor :all
def initialize data
# Defaults
@pages = 0
@total = 0
@data = []
@filter = ''
@page = 1
@pages = 1
@all = false
# Ensure data set is countable
return unless data.is_a? Enumerable
@data = data
# Count elements
@total = @data.count
# Count pages
@pages = (@total.to_f / DEFAULT_PAGE_SIZE).ceil
@pages = 1 if @pages < 1
end
def page= raw_page
@page = [1, raw_page.to_i, @pages].sort[1]
end
def browser
return if @all
out = []
1.upto(@pages) do |p|
out << link(p)
end
out.join()
end
def subset
return @data if @all
size = DEFAULT_PAGE_SIZE.to_i
offset = (@page-1) * size
@data[offset, size]
end
private
def link p
klass = (p == @page)? "primary" : "default"
url = dashboard_url(@filter)
"<a class='btn btn-%s' href='%s?page=%d'>%p</a>" % [
klass,
@filter,
p,
p
]
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems