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Fix string shortening

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This commit is contained in:
emanuele-f 2018-04-11 16:14:59 +02:00
parent dcdaece325
commit c5bf5072f5
1 changed files with 9 additions and 2 deletions
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11
scripts/lua/modules/lua_utils.lua
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@ -2318,15 +2318,22 @@ end
-- "Some Very Long String" -> "Some Ver...g String"
function shortenCollapse(s, max_len)
local replacement = "..."
local r_len = string.len(replacement)
if max_len == nil then
max_len = ntop.getPref("ntopng.prefs.max_ui_strlen")
max_len = tonumber(max_len)
if(max_len == nil) then max_len = 24 end
end
if max_len <= r_len then
return replacement
end
if string.len(s) > max_len then
local half = math.floor(max_len / 2)
return string.sub(s, 1, half) .. "..." .. string.sub(s, half+1)
local half = math.floor((max_len-r_len) / 2)
return string.sub(s, 1, half) .. "..." .. string.sub(s, string.len(s)-half+1)
end
return s