Open main menu
Home
Random
Donate
Recent changes
Special pages
Community portal
Preferences
About Stockhub
Disclaimers
Search
User menu
Talk
Contributions
Create account
Log in
Editing
Module:Sandbox/Ita140188/chartsvg
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
--<source lang=lua> --[[ keywords are used for languages: they are the names of the actual parameters of the template ]] local keywords = { barChart = 'bar chart', width = 'width', height = 'height', stack = 'stack', colors = 'colors', group = 'group', xlegend = 'x legends', tooltip = 'tooltip', accumulateTooltip = 'tooltip value accumulation', links = 'links', defcolor = 'default color', scalePerGroup = 'scale per group', unitsPrefix = 'units prefix', unitsSuffix = 'units suffix', groupNames = 'group names', hideGroupLegends = 'hide group legends', slices = 'slices', slice = 'slice', radius = 'radius', percent = 'percent', } -- here is what you want to translate function barChart( frame ) local res = {} local args = frame.args -- can be changed to frame:getParent().args local values, xlegends, colors, tooltips, yscales = {}, {}, {}, {} ,{}, {}, {} local groupNames, unitsSuffix, unitsPrefix, links = {}, {}, {}, {} local width, height, stack, delimiter = 500, 350, false, args.delimiter or ':' local chartWidth, chartHeight, defcolor, scalePerGroup, accumulateTooltip local numGroups, numValues local scaleWidth local defColors = require "Module:Plotter/DefaultColors" local hideGroupLegends local function nulOrWhitespace( s ) return not s or mw.text.trim( s ) == '' end table.insert( res, frame:extensionTag{ name = 'templatestyles', args = { src = 'TemplateStyles sandbox/Ita140188/styles.css'} }) function createGroupList( tab, legends, cols ) if #legends > 1 and not hideGroupLegends then table.insert( tab, mw.text.tag( 'div', { style = string.format( "width:%spx;", chartWidth ) } ) ) local list = {} local spanStyle = "padding:0 1em;background-color:%s;border:1px solid %s;margin-right:1em;-webkit-print-color-adjust:exact;" for gi = 1, #legends do local span = mw.text.tag( 'span', { style = string.format( spanStyle, cols[gi], cols[gi] ) }, ' ' ) .. ' '.. legends[gi] table.insert( list, mw.text.tag( 'li', {}, span ) ) end table.insert( tab, mw.text.tag( 'ul', {style="width:100%;list-style:none;-webkit-column-width:12em;-moz-column-width:12em;column-width:12em;"}, table.concat( list, '\n' ) ) ) table.insert( tab, '</div>' ) end end function validate() function asGroups( name, tab, toDuplicate, emptyOK ) if #tab == 0 and not emptyOK then error( "must supply values for " .. keywords[name] ) end if #tab == 1 and toDuplicate then for i = 2, numGroups do tab[i] = tab[1] end end if #tab > 0 and #tab ~= numGroups then error ( keywords[name] .. ' must contain the same number of items as the number of groups, but it contains ' .. #tab .. ' items and there are ' .. numGroups .. ' groups') end end -- do all sorts of validation here, so we can assume all params are good from now on. -- among other things, replace numerical values with mw.language:parseFormattedNumber() result chartHeight = height - 80 numGroups = #values numValues = #values[1] defcolor = defcolor or 'blue' colors[1] = colors[1] or defcolor scaleWidth = scalePerGroup and 80 * numGroups or 30 chartWidth = width -scaleWidth asGroups( 'unitsPrefix', unitsPrefix, true, true ) asGroups( 'unitsSuffix', unitsSuffix, true, true ) asGroups( 'colors', colors, true, true ) asGroups( 'groupNames', groupNames, false, false ) if stack and scalePerGroup then error( string.format( 'Illegal settings: %s and %s are incompatible.', keyword.stack, keyword.scalePerGroup ) ) end for gi = 2, numGroups do if #values[gi] ~= numValues then error( keywords.group .. " " .. gi .. " does not have same number of values as " .. keywords.group .. " 1" ) end end if #xlegends ~= numValues then error( 'Illegal number of ' .. keywords.xlegend .. '. Should be exactly ' .. numValues ) end end function extractParams() function testone( keyword, key, val, tab ) i = keyword == key and 0 or key:match( keyword .. "%s+(%d+)" ) if not i then return end i = tonumber( i ) or error("Expect numerical index for key " .. keyword .. " instead of '" .. key .. "'") if i > 0 then tab[i] = {} end for s in mw.text.gsplit( val, '%s*' .. delimiter .. '%s*' ) do table.insert( i == 0 and tab or tab[i], s ) end return true end for k, v in pairs( args ) do if k == keywords.width then width = tonumber( v ) if not width or width < 200 then error( 'Illegal width value (must be a number, and at least 200): ' .. v ) end elseif k == keywords.height then height = tonumber( v ) if not height or height < 200 then error( 'Illegal height value (must be a number, and at least 200): ' .. v ) end elseif k == keywords.stack then stack = true elseif k == keywords.scalePerGroup then scalePerGroup = true elseif k == keywords.defcolor then defcolor = v elseif k == keywords.accumulateTooltip then accumulateTooltip = not nulOrWhitespace( v ) elseif k == keywords.hideGroupLegends then hideGroupLegends = not nulOrWhitespace( v ) else for keyword, tab in pairs( { group = values, xlegend = xlegends, colors = colors, tooltip = tooltips, unitsPrefix = unitsPrefix, unitsSuffix = unitsSuffix, groupNames = groupNames, links = links, } ) do if testone( keywords[keyword], k, v, tab ) then break end end end end end function roundup( x ) -- returns the next round number: eg., for 30 to 39.999 will return 40, for 3000 to 3999.99 wil return 4000. for 10 - 14.999 will return 15. local ordermag = 10 ^ math.floor( math.log10( x ) ) local normalized = x / ordermag local top = normalized >= 1.5 and ( math.floor( normalized + 1 ) ) or 1.5 return ordermag * top, top, ordermag end function calcHeightLimits() -- if limits were passed by user, use them, otherwise calculate. for "stack" there's only one limet. if stack then local sums = {} for _, group in pairs( values ) do for i, val in ipairs( group ) do sums[i] = ( sums[i] or 0 ) + val end end local sum = math.max( unpack( sums ) ) for i = 1, #values do yscales[i] = sum end else for i, group in ipairs( values ) do yscales[i] = math.max( unpack( group ) ) end end for i, scale in ipairs( yscales ) do yscales[i] = roundup( scale * 0.9999 ) end if not scalePerGroup then for i = 1, #values do yscales[i] = math.max( unpack( yscales ) ) end end end function tooltip( gi, i, val ) if tooltips and tooltips[gi] and not nulOrWhitespace( tooltips[gi][i] ) then return tooltips[gi][i], true end local groupName = not nulOrWhitespace( groupNames[gi] ) and groupNames[gi] .. ': ' or '' local prefix = unitsPrefix[gi] or unitsPrefix[1] or '' local suffix = unitsSuffix[gi] or unitsSuffix[1] or '' return mw.ustring.gsub(groupName .. prefix .. mw.getContentLanguage():formatNum( tonumber( val ) or 0 ) .. suffix, '_', ' '), false end function calcHeights( gi, i, val ) local barHeight = math.floor( val / yscales[gi] * chartHeight + 0.5 ) -- add half to make it "round" instead of "trunc" local top, base = chartHeight - barHeight, 0 if stack then local rawbase = 0 for j = 1, gi - 1 do rawbase = rawbase + values[j][i] end -- sum the "i" value of all the groups below our group, gi. base = math.floor( chartHeight * rawbase / yscales[gi] ) -- normally, and especially if it's "stack", all the yscales must be equal. end return barHeight, top - base end function groupBounds( i ) local setWidth = math.floor( chartWidth / numValues ) -- local setOffset = ( i - 1 ) * setWidth local setOffset = ( i - 1 ) * setWidth return setOffset, setWidth end function calcx( gi, i ) local setOffset, setWidth = groupBounds( i ) if stack or numGroups == 1 then local barWidth = math.min( 38, math.floor( 0.8 * setWidth ) ) return setOffset + (setWidth - barWidth) / 2, barWidth end setWidth = 0.85 * setWidth local barWidth = math.floor( 0.75 * setWidth / numGroups ) local left = setOffset + math.floor( ( gi - 1 ) / numGroups * setWidth ) return left, barWidth end function drawbar( gi, i, val, ttval ) if val == '0' then return end -- do not show single line (borders....) if value is 0, or rather, '0'. see talkpage local color, tooltip, custom = colors[gi] or defcolor or 'blue', tooltip( gi, i, ttval or val ) local left, barWidth = calcx( gi, i ) local barHeight, top = calcHeights( gi, i, val ) -- borders so it shows up when printing local style = string.format("x:%spx;y:%spx;height:%spx;width:%spx;fill:%s;", left, top, barHeight-1, barWidth-2, color) local link = links[gi] and links[gi][i] or '' -- local img = not nulOrWhitespace( link ) and mw.ustring.format( '[[File:Transparent.png|1000px|link=%s|%s]]', link, custom and tooltip or '' ) or '' local img = string.format("<title>%s</title>",tooltip); table.insert( res, mw.text.tag( 'rect', { style = style, class = "chart2-bar" }, img ) ) end function drawYScale() function drawSingle( gi, color, single ) local yscale = yscales[gi] local _, top, ordermag = roundup( yscale * 0.999 ) local numnotches = top <= 1.5 and top * 4 or top < 4 and top * 2 or top local valStyleStrCntnr = 'display:block;position:relative;height:%spx;text-align:right;margin:0px;' -- SINGLE ELEMENT OF Y AXIS local valStyleStrValue = 'display:block;position:relative;float:right;height:%spx;text-align:right;margin:%spx 0px 0px 0px;vertical-align:middle;line-height:%spx;' -- value local valStyleStrNotch = 'display:block;position:relative;float:right;height:%spx;text-align:right;width:5px; border-top:1px solid black' -- notch -- or 'position:relative;height=20px;text-align:right;vertical-align:middle;max-width:%spx;top:%spx;left:3px;background-color:%s;color:white;font-weight:bold;text-shadow:-1px -1px 0 #000,1px -1px 0 #000,-1px 1px 0 #000,1px 1px 0 #000;padding:0 2px' -- local notchStyleStr = 'position:absolute;height=1px;min-width:5px;top:%spx;left:%spx;border:1px solid %s;' for i = 1, numnotches do local val = (numnotches - i + 1) / numnotches * yscale -- value of this notch local y = ( 1 / numnotches * chartHeight ) --chartHeight - calcHeights( gi, 1, val ) -- height of a single notch local divCntnr = mw.text.tag( 'div', { style = string.format( valStyleStrCntnr, y, color ) } ) local divValue = mw.text.tag( 'div', { style = string.format( valStyleStrValue, y, -y/2, y, color ) }, mw.getContentLanguage():formatNum( tonumber( val ) or 0 ) ) local divNotch = mw.text.tag( 'div', { style = string.format( valStyleStrNotch, y, color ) }, ' ' ) table.insert( res, divCntnr ) table.insert( res, divNotch ) table.insert( res, divValue ) table.insert( res, '</div>' ) table.insert( res, '<div style="clear:right;display:block"></div>' ) -- div = mw.text.tag( 'div', { style = string.format( notchStyleStr, y, width - 4, color ) }, '' ) -- table.insert( res, div ) end end if scalePerGroup then -- local colWidth = 80 -- local colStyle = "position:absolute;height:%spx;min-width:%spx;left:%spx;border-right:1px solid %s;color:%s" -- local colStyle = "height:%spx;border-right:1px solid %s;color:%s;display:inline-block;text-align:right" -- for gi = 1, numGroups do -- -- local left = ( gi - 1 ) * colWidth -- local color = colors[gi] or defcolor -- -- table.insert( res, mw.text.tag( 'div', { style = string.format( colStyle, chartHeight, colWidth, left, color, color ) } ) ) -- table.insert( res, mw.text.tag( 'div', { style = string.format( colStyle, chartHeight, color, color ) } ) ) -- drawSingle( gi, color ) -- table.insert( res, '</div>' ) -- end else drawSingle( 1, 'black', true ) -- gi is the id of y axis when more than 1 end end function drawXlegends() local setOffset, setWidth local legendDivStyleFormat = "display:block;float:left;position:relative;vertical-align:top;width:%spx;text-align:center;margin:0px 0px 0px %spx;" -- local tickDivstyleFormat = "position:absolute;left:%spx;height:10px;width:1px;border-left:1px solid black;" local offsetleft = 0; setOffset, setWidth = groupBounds( 1 ) for i = 1, numValues do if not nulOrWhitespace( xlegends[i] ) then table.insert( res, mw.text.tag( 'div', { style = string.format( legendDivStyleFormat, setWidth, offsetleft ) }, xlegends[i] or '' ) ) offsetleft=0; else offsetleft=offsetleft+setWidth; end -- setOffset, setWidth = groupBounds( i ) -- table.insert( res, mw.text.tag( 'div', { style = string.format( legendDivStyleFormat, setWidth ) }, xlegends[i] or '' ) ) end end function drawChart() table.insert( res, mw.text.tag( 'div', { style = string.format("position:relative;padding:1em 0em 1em 0em;") } ) ) -- container div table.insert( res, mw.text.tag( 'div', { style = string.format("position:relative;" ) } ) ) -- container div table.insert( res, mw.text.tag( 'div', { style = string.format("position:relative;height:%spx;display:inline-block;text-align:right;vertical-align:top;", chartHeight ) } ) ) drawYScale() table.insert( res, '</div><div style="position:relative;display:inline-block">' ) -- table.insert( res, mw.text.tag( 'div', { style = string.format("height:%spx;width:%spx;border-left:1px black solid;border-bottom:1px black solid;display:block;margin:0px;padding:0px;", chartHeight, chartWidth ) } ) ) -- the actual chart table.insert( res, mw.text.tag( 'svg', { style = string.format("height:%spx;width:%spx;border-left:1px black solid;border-bottom:1px black solid;", chartHeight, chartWidth ) } ) ) -- the actual chart local acum = stack and accumulateTooltip and {} for gi, group in pairs( values ) do for i, val in ipairs( group ) do if acum then acum[i] = ( acum[i] or 0 ) + val end drawbar( gi, i, val, acum and acum[i] ) end end -- table.insert( res, '</div>' ) table.insert( res, '</svg>' ) table.insert( res, mw.text.tag( 'div', { style = string.format( "position:relative;width:%spx;", chartWidth ) } ) ) -- X legends drawXlegends() table.insert( res, '</div>' ) table.insert( res, '</div>' ) table.insert( res, '</div>' ) createGroupList( res, groupNames, colors ) table.insert( res, '</div>' ) end extractParams() validate() calcHeightLimits() drawChart() return table.concat( res, "\n" ) end return { ['bar-chart'] = barChart, [keywords.barChart] = barChart, } --</source>
Summary:
Please note that all contributions to Stockhub may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here.
You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see
Stockhub:Copyrights
for details).
Do not submit copyrighted work without permission!
Cancel
Editing help
(opens in new window)
Templates used on this page:
Template:Clear
(
edit
)
Template:Column
(
edit
)
Template:Columns-end
(
edit
)
Template:Columns-start
(
edit
)
Template:Image frame
(
edit
)
Template:Rbox
(
edit
)
Module:Chart
(
edit
)
Module:Chart/Default colors
(
edit
)
Module:Plotter/DefaultColors
(
edit
)
Module:Sandbox/Ita140188/chartsvg
(
edit
)
Module:Sandbox/Ita140188/chartsvg/doc
(
edit
)