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opus/sys/apis/ui/components/Notification.lua
kepler155c@gmail.com 687fc05445 Event cleanup
2019-02-24 06:58:26 -05:00

72 lines
1.5 KiB
Lua

local class = require('class')
local Event = require('event')
local Sound = require('sound')
local UI = require('ui')
local Util = require('util')
local colors = _G.colors
UI.Notification = class(UI.Window)
UI.Notification.defaults = {
UIElement = 'Notification',
backgroundColor = colors.gray,
height = 3,
}
function UI.Notification:draw()
end
function UI.Notification:enable()
end
function UI.Notification:error(value, timeout)
self.backgroundColor = colors.red
Sound.play('entity.villager.no', .5)
self:display(value, timeout)
end
function UI.Notification:info(value, timeout)
self.backgroundColor = colors.gray
self:display(value, timeout)
end
function UI.Notification:success(value, timeout)
self.backgroundColor = colors.green
self:display(value, timeout)
end
function UI.Notification:cancel()
if self.timer then
Event.off(self.timer)
self.timer = nil
end
if self.canvas then
self.enabled = false
self.canvas:removeLayer()
self.canvas = nil
end
end
function UI.Notification:display(value, timeout)
self.enabled = true
local lines = Util.wordWrap(value, self.width - 2)
self.height = #lines + 1
self.y = self.parent.height - self.height + 1
if self.canvas then
self.canvas:removeLayer()
end
self.canvas = self:addLayer(self.backgroundColor, self.textColor)
self:addTransition('expandUp', { ticks = self.height })
self.canvas:setVisible(true)
self:clear()
for k,v in pairs(lines) do
self:write(2, k, v)
end
self.timer = Event.onTimeout(timeout or 3, function()
self:cancel()
self:sync()
end)
end