liquid_feedback_frontend
annotate env/ui/bargraph.lua @ 167:1fdf1e607494
fix vote count display in corner cases
if number of voters are 0 or votes are 0 don't show percentes they are useless or -nan :-)
if number of voters are 0 or votes are 0 don't show percentes they are useless or -nan :-)
| author | Daniel Poelzleithner <poelzi@poelzi.org> |
|---|---|
| date | Sat Oct 09 21:34:25 2010 +0200 (2010-10-09) |
| parents | 5d797c6706d5 |
| children | 03c205fc17f0 |
| rev | line source |
|---|---|
| bsw/jbe@0 | 1 function ui.bargraph(args) |
| bsw/jbe@19 | 2 local text = "" |
| bsw/jbe@19 | 3 for i, bar in ipairs(args.bars) do |
| bsw/jbe@19 | 4 if #text > 0 then |
| bsw/jbe@19 | 5 text = text .. " / " |
| bsw/jbe@19 | 6 end |
| bsw/jbe@19 | 7 text = text .. tostring(bar.value) |
| bsw/jbe@19 | 8 end |
| bsw/jbe@0 | 9 ui.container{ |
| bsw/jbe@0 | 10 attr = { |
| bsw/jbe@19 | 11 class = args.class or "bargraph", |
| bsw/jbe@19 | 12 title = tostring(text) |
| bsw/jbe@0 | 13 }, |
| bsw/jbe@0 | 14 content = function() |
| bsw/jbe@19 | 15 local at_least_one_bar = false |
| poelzi@159 | 16 local quorum = args.quorum and args.quorum * args.width / args.max_value or nil |
| poelzi@159 | 17 local length = 0 |
| bsw/jbe@0 | 18 for i, bar in ipairs(args.bars) do |
| bsw@2 | 19 if bar.value > 0 then |
| bsw/jbe@19 | 20 at_least_one_bar = true |
| bsw/jbe@4 | 21 local value = bar.value * args.width / args.max_value |
| poelzi@159 | 22 if quorum and quorum < length + value then |
| poelzi@159 | 23 local dlength = math.max(quorum - length - 1, 0) |
| poelzi@159 | 24 if dlength > 0 then |
| poelzi@159 | 25 ui.container{ |
| poelzi@159 | 26 attr = { |
| poelzi@159 | 27 style = "width: " .. tostring(dlength) .. "px; background-color: " .. bar.color .. ";", |
| poelzi@159 | 28 }, |
| poelzi@159 | 29 content = function() slot.put(" ") end |
| poelzi@159 | 30 } |
| poelzi@159 | 31 end |
| poelzi@159 | 32 ui.container{ |
| poelzi@159 | 33 attr = { |
| poelzi@159 | 34 style = "width: 1px; background-color: " .. (args.quorum_color or "blue") ..";", |
| poelzi@159 | 35 }, |
| poelzi@159 | 36 content = function() slot.put(" ") end |
| poelzi@159 | 37 } |
| poelzi@159 | 38 length = dlength + 1 |
| poelzi@159 | 39 value = value - dlength |
| poelzi@159 | 40 quorum = nil |
| poelzi@159 | 41 end |
| poelzi@159 | 42 length = length + value |
| bsw@2 | 43 ui.container{ |
| bsw@2 | 44 attr = { |
| bsw@2 | 45 style = "width: " .. tostring(value) .. "px; background-color: " .. bar.color .. ";", |
| bsw@2 | 46 }, |
| bsw@2 | 47 content = function() slot.put(" ") end |
| bsw@2 | 48 } |
| bsw@2 | 49 end |
| bsw/jbe@0 | 50 end |
| bsw/jbe@19 | 51 if not at_least_one_bar then |
| bsw/jbe@19 | 52 slot.put(" ") |
| bsw/jbe@19 | 53 end |
| bsw/jbe@0 | 54 end |
| bsw/jbe@0 | 55 } |
| bsw/jbe@0 | 56 end |