luci-app-statistics: add options for graph series sorting and color

[oweals/luci.git] / applications / luci-app-statistics / luasrc / statistics / rrdtool / colors.lua

diff --git a/applications/luci-app-statistics/luasrc/statistics/rrdtool/colors.lua b/applications/luci-app-statistics/luasrc/statistics/rrdtool/colors.lua
index 0d3af712fd8a197c7a74d6cead7d32b2992e6fd5..88b3bbcfeb715d17bf51c4253ff13330d3012bb0 100644 (file)
--- a/applications/luci-app-statistics/luasrc/statistics/rrdtool/colors.lua
+++ b/applications/luci-app-statistics/luasrc/statistics/rrdtool/colors.lua
@@ -25,6 +25,22 @@ function Instance.to_string( self, c )
        )
 end
 
+function Instance.defined( self, i )
+       local t = {
+               {230, 25, 75},
+               {245, 130, 48},
+               {255, 225, 25},
+               {60, 180, 75},
+               {70, 240, 240},
+               {0, 130, 200},
+               {0, 0, 128},
+               {170, 110, 40}
+       }
+       return string.format(
+               "%02x%02x%02x",
+               t[(i-1) % #t + 1][1], t[(i-1) % #t +1][2], t[(i-1) % #t + 1][3] )
+end
+
 function Instance.random( self )
        local r   = math.random(255)
        local g   = math.random(255)