# Module:College color/contrast

-- This submodule is used to generate the complete color contrast table in
-- the documentation for Module:College color
local contrast = {}
local all_colors = {}  
local contrast_mod = require("Module:Color contrast")  
local function stripwhitespace(text)
return text:match("^%s*(.-)%s*$")
end  
local function preprocesscitation(text)
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*web%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*date%s*=%s*([^|]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '\"[%1 %2]\". %3. Retrieved %4.')
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*manual%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*date%s*=%s*([^|]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '<i>[%1 %2]</i>. %3. Retrieved %4.')
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*web%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*date%s*=%s*([^|]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '\"[%2 %1]\". %3. Retrieved %4.')
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*manual%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*date%s*=%s*([^|]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '<i>[%2 %1]</i>. %3. Retrieved %4.')
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*web%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '\"[%1 %2]\". Retrieved %3.')
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*manual%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '<i>[%1 %2]</i>. Retrieved %3.')
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*web%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '\"[%2 %1]\". Retrieved %3.')
text = mw.ustring.gsub(text, '%{%{%s*[Cc]ite%s*manual%s*%|%s*title%s*=%s*([^|]-)%s*%|%s*url%s*=%s*([^|%[%]]-)%s*%|%s*access%-?date%s*=%s*([^|]-)%s*%}%}', '<i>[%2 %1]</i>. Retrieved %3.')
return text
end  
local function get_colors(team, unknown)
team = stripwhitespace(team or '')
unknown = unknown or {"DCDCDC", "000000"}  
local use_default = {
[""] = 1,
["retired"] = 1,
["free agent"] = 1,
}  
local colors = nil  
if ( team and use_default[team:lower] ) then
colors = {"DCDCDC", "000000"}
else
colors = all_colors[team]
if ( colors and type(colors) == 'string' ) then
colors = all_colors[colors]
end
end  
return colors or unknown
end  
local function color_contrast_ratio(hex1, hex2)
if( hex1 and hex2) then
local r = contrast_mod._ratio({'#' .. hex1, '#' .. hex2, error = 0})
if( r > 0 ) then
r = (r > 1) and r or (1/r)
r = math.floor(r * 100 + 0.5) / 100
return (r > 1) and r or (1/r)
end
end
return ''
end  
function contrast._testtable(args)
local teamlist = {}
local aliaslist = {}
local style = args['style']
local data_module = args['data'] or "Module:College color/data"
all_colors = mw.loadData(data_module)  
-- helper function
local function table_row(t, c)
local res = mw.html.create('')
if( c[1] ) then
res:tag('td'):wikitext(t)
else
res:tag('td'):wikitext(t .. ' <span class=error>ERROR</span>')
end
for i=1,3 do
res:tag('td')
:css('background', c[i] and ('#' .. c[i]) or 'transparent')
:wikitext(c[i] and '' or 'X')
end
for i=1,3 do
local j = math.fmod(i,3) + 1
res:tag('td'):wikitext(color_contrast_ratio(c[i],c[j]))
end
res:tag('td'):wikitext(color_contrast_ratio(c[1],'FFFFFF'))
res:tag('td'):wikitext(color_contrast_ratio(c[1],'000000'))
local r = ''
for k, v in pairs(c) do
if ( type(k) == 'string' and mw.ustring.match(k, '^cite') ) then
r = r .. ''
end
if( type(k) == 'string' and mw.ustring.match(k, '^ref') ) then
local rt = mw.ustring.gsub(v, '^%s*https?://(.*)', '%1') or ''
rt = mw.ustring.gsub(rt, '^(.-)/.*', '%1')
rt = mw.ustring.gsub(rt, '^www%.(.-)$', '%1') or rt
r = r .. ''
end
end
res:tag('td'):wikitext(r)
return tostring(res)
end  
-- list of teams
if( args and args[1] ) then
for k, team in pairs(args) do
if type(k) == 'number' then
table.insert(teamlist, team)
end
end
else
for team, colors in pairs( all_colors ) do
if type(colors) == 'string' then
aliaslist[colors] = (aliaslist[colors] or '') .. '
aka ' .. team
else
table.insert(teamlist, team)
end
end
table.sort(teamlist)
table.insert(teamlist, 'Free agent')
table.insert(teamlist, 'Retired')
end  
-- build table
local root = mw.html.create('table')
root:addClass('wikitable sortable')
:css('background', 'transparent')
:css('font-size', '90%')
:css('line-height', '100%')
:cssText(style)
local row = root:tag('tr')
row:tag('th')
:attr('rowspan',2)
:wikitext('Team')
for i=1,3 do
row:tag('th')
:addClass('unsortable')
:attr('rowspan',2)
:wikitext(i)
end
row:tag('th')
:attr('colspan', 5)
:wikitext('Contrast')
row:tag('th')
:attr('rowspan',2)
:wikitext('refs')
row = root:tag('tr')
for i=1,3 do
local j = math.fmod(i,3) + 1
row:tag('th'):wikitext(i .. '/' .. j)
end
row:tag('th'):wikitext('1/w')
row:tag('th'):wikitext('1/b')
for k, team in pairs( teamlist ) do
row = root:tag('tr')
row:wikitext(table_row(team .. (aliaslist[team] or ''), get_colors(team)))
end  
return tostring(root) .. ''
end  
function contrast._exampletable(, args, styletemplate)
local teamlist = {}
local style = args['style']
local data_module = args['data'] or "Module:College color/data"
all_colors = mw.loadData(data_module)  
local function stripestyle(, in_args)
return :expandTemplate{ title = styletemplate, args = in_args }
end  
-- list of teams
if( args and args[1] ) then
for k, team in pairs(args) do
if type(k) == 'number' then
table.insert(teamlist, team)
end
end
else
for team, colors in pairs( all_colors ) do
if type(colors) ~= 'string' then
table.insert(teamlist, team)
end
end
table.sort(teamlist)
table.insert(teamlist, 'Free agent')
table.insert(teamlist, 'Retired')
end  
-- build table
local root = mw.html.create('table')
if( args['title'] ) then
root:tag('caption'):wikitext(args['title'])
:cssText('padding: 0.2em;font-size: 125%;font-weight: bold;')
end
root:cssText(': solid #a2a9b1;-spacing: ;')
:cssText('background-color: #f8f9fa;color: black;margin: 0.5em 0 0.5em 1em;')
:cssText('padding: 0.2em;float: ;clear: ;font-size: 88%;line-height: 1.5em;width: 22em;')
:cssText(style)
for k, team in pairs( teamlist ) do
local cell = root:tag('tr'):tag('th')
cell
:cssText('text-align: ;' .. stripestyle(,{team}))
:wikitext(team)
end  
return tostring(root)
end  
function contrast.testtable
return :preprocess(contrast._testtable(.args))
end  
function contrast.stripetable
return contrast._exampletable(,.args, 'College stripe style')
end  
function contrast.header1table
return contrast._exampletable(,.args, 'NCAA color cell')
end  
function contrast.header2table
return contrast._exampletable(,.args, 'NCAA secondary color cell')
end  
return contrast