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99 lines
2.9 KiB
Lua
99 lines
2.9 KiB
Lua
local DataStorage = require("datastorage")
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local Font = require("ui/font")
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local InfoMessage = require("ui/widget/infomessage")
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local InputDialog = require("ui/widget/inputdialog")
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local TextViewer = require("ui/widget/textviewer")
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local Trapper = require("ui/trapper")
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local UIManager = require("ui/uimanager")
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local WidgetContainer = require("ui/widget/container/widgetcontainer")
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local logger = require("logger")
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local util = require("ffi/util")
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local _ = require("gettext")
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local Screen = require("device").screen
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local Terminal = WidgetContainer:new{
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name = "terminal",
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dump_file = util.realpath(DataStorage:getDataDir()) .. "/terminal_output.txt",
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command = "",
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}
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function Terminal:init()
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self.ui.menu:registerToMainMenu(self)
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end
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function Terminal:start()
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self.input = InputDialog:new{
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title = _("Enter a command and press \"Execute\""),
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input = self.command,
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para_direction_rtl = false, -- force LTR
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text_height = math.floor(Screen:getHeight() * 0.4),
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input_type = "string",
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buttons = {{{
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text = _("Cancel"),
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callback = function()
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UIManager:close(self.input)
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end,
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}, {
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text = _("Execute"),
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is_enter_default = true,
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callback = function()
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UIManager:close(self.input)
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Trapper:wrap(function()
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self:execute()
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end)
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end,
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}}},
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}
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UIManager:show(self.input)
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self.input:onShowKeyboard()
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end
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function Terminal:execute()
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self.command = self.input:getInputText()
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local wait_msg = InfoMessage:new{
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text = _("Executing…"),
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}
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UIManager:show(wait_msg)
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local entries = { self.command }
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local command = self.command .. " 2>&1 ; echo" -- ensure we get stderr and output something
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local completed, result_str = Trapper:dismissablePopen(command, wait_msg)
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if completed then
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table.insert(entries, result_str)
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self:dump(entries)
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table.insert(entries, _("Output was also written to"))
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table.insert(entries, self.dump_file)
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else
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table.insert(entries, _("Execution canceled."))
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end
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UIManager:close(wait_msg)
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UIManager:show(TextViewer:new{
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title = _("Command output"),
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text = table.concat(entries, "\n"),
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justified = false,
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text_face = Font:getFace("smallinfont"),
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})
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end
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function Terminal:dump(entries)
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local content = table.concat(entries, "\n")
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local file = io.open(self.dump_file, "w")
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if file then
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file:write(content)
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file:close()
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else
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logger.warn("Failed to dump terminal output " .. content .. " to " .. self.dump_file)
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end
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end
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function Terminal:addToMainMenu(menu_items)
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menu_items.terminal = {
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text = _("Terminal emulator"),
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keep_menu_open = true,
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callback = function()
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self:start()
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end,
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}
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end
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return Terminal
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