lite/data/core/logview.lua

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local core = require "core"
local style = require "core.style"
local View = require "core.view"
local LogView = View:extend()
function LogView:new()
LogView.super.new(self)
self.last_item = core.log_items[#core.log_items]
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self.scrollable = true
self.yoffset = 0
end
function LogView:get_name()
return "Log"
end
function LogView:update()
local item = core.log_items[#core.log_items]
if self.last_item ~= item then
self.last_item = item
self.scroll.to.y = 0
self.yoffset = -(style.font:get_height() + style.padding.y)
end
self:move_towards("yoffset", 0)
LogView.super.update(self)
end
local function draw_text_multiline(font, text, x, y, color)
local th = font:get_height()
local resx, resy = x, y
for line in text:gmatch("[^\n]+") do
resy = y
resx = renderer.draw_text(style.font, line, x, y, color)
y = y + th
end
return resx, resy
end
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function LogView:draw()
self:draw_background(style.background)
local ox, oy = self:get_content_offset()
local th = style.font:get_height()
local y = oy + style.padding.y + self.yoffset
for i = #core.log_items, 1, -1 do
local x = ox + style.padding.x
local item = core.log_items[i]
local time = os.date(nil, item.time)
x = renderer.draw_text(style.font, time, x, y, style.dim)
x = x + style.padding.x
local subx = x
x, y = draw_text_multiline(style.font, item.text, x, y, style.text)
renderer.draw_text(style.font, " at " .. item.at, x, y, style.dim)
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y = y + th
if item.info then
subx, y = draw_text_multiline(style.font, item.info, subx, y, style.dim)
y = y + th
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end
y = y + style.padding.y
end
end
return LogView