partition manager + tab/wizard rework
This commit is contained in:
kepler155c@gmail.com
238
sys/apps/Partition.lua
Normal file
238
sys/apps/Partition.lua
Normal file
@@ -0,0 +1,238 @@
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local Ansi = require('opus.ansi')
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local Event = require('opus.event')
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local UI = require('opus.ui')
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local Util = require('opus.util')
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local fs = _G.fs
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local peripheral = _G.peripheral
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local source, target
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local function getDriveInfo(tgt)
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local total = 0
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local throttle = Util.throttle()
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tgt = fs.combine(tgt, '')
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local src = fs.getNode(tgt).source or tgt
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local function recurse(path)
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throttle()
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if fs.isDir(path) then
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if path ~= src then
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total = total + 500
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end
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for _, v in pairs(fs.native.list(path)) do
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recurse(fs.combine(path, v))
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end
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else
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local sz = fs.getSize(path)
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total = total + math.max(500, sz)
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end
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end
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recurse(src)
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local drive = fs.getDrive(src)
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return {
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path = tgt,
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drive = drive,
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type = peripheral.getType(drive) or drive,
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used = total,
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free = fs.getFreeSpace(src),
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mountPoint = src,
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}
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end
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local function getDrives(exclude)
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local drives = { }
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for _, path in pairs(fs.native.list('/')) do
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local side = fs.getDrive(path)
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if side and not drives[side] and not fs.isReadOnly(path) and side ~= exclude then
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if side == 'hdd' then
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path = ''
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end
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drives[side] = getDriveInfo(path)
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end
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end
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return drives
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end
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local page = UI.Page {
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wizard = UI.Wizard {
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ey = -2,
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partitions = UI.WizardPage {
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index = 1,
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info = UI.TextArea {
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x = 3, y = 2, ex = -3, ey = 5,
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value = [[Move the contents of a directory to another disk. A link will be created to point to that location.]]
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},
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grid = UI.Grid {
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x = 2, y = 7, ex = -2, ey = -2,
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columns = {
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{ heading = 'Path', key = 'path', textColor = 'yellow', width = 10 },
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{ heading = 'Mount Point', key = 'mountPoint' },
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{ heading = 'Used', key = 'used', width = 6 },
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},
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sortColumn = 'path',
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getDisplayValues = function (_, row)
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row = Util.shallowCopy(row)
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row.used = Util.toBytes(row.used)
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return row
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end,
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enable = function(self)
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Event.onTimeout(0, function()
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local mounts = {
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usr = getDriveInfo('usr/config'),
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packages = getDriveInfo('packages'),
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}
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self:setValues(mounts)
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self:draw()
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self:sync()
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end)
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self:setValues({ })
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UI.Grid.enable(self)
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end,
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},
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validate = function(self)
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target = self.grid:getSelected()
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return not not target
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end,
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},
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mounts = UI.WizardPage {
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index = 2,
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info = UI.TextArea {
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x = 3, y = 2, ex = -3, ey = 5,
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value = [[Select the target disk. Labeled computers can be inserted into disk drives for larger volumes.]]
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},
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grid = UI.Grid {
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x = 2, y = 7, ex = -2, ey = -2,
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columns = {
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{ heading = 'Path', key = 'path', textColor = 'yellow', width = 10 },
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{ heading = 'Type', key = 'type' },
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{ heading = 'Side', key = 'drive' },
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{ heading = 'Free', key = 'free', width = 6 },
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},
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sortColumn = 'path',
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getDisplayValues = function (_, row)
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row = Util.shallowCopy(row)
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row.free = Util.toBytes(row.free)
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return row
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end,
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getRowTextColor = function(self, row)
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if row.free < target.used then
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return 'lightGray'
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end
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return UI.Grid.getRowTextColor(self, row)
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end,
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enable = function(self)
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Event.on({ 'disk', 'disk_eject', 'partition_update' }, function()
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self:setValues(getDrives(target.drive))
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self:draw()
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self:sync()
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end)
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os.queueEvent('partition_update')
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self:setValues({ })
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UI.Grid.enable(self)
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end,
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},
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validate = function(self)
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source = self.grid:getSelected()
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if not source then
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self:emit({ type = 'notify', message = 'No drive selected' })
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elseif source.free < target.used then
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self:emit({ type = 'notify', message = 'Insufficient disk space' })
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else
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return true
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end
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end,
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},
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confirm = UI.WizardPage {
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index = 3,
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info = UI.TextArea {
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x = 2, y = 2, ex = -2, ey = -2,
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marginTop = 1, marginLeft = 1,
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backgroundColor = 'black',
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},
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enable = function(self)
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local fstab = Util.readFile('usr/etc/fstab')
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local lines = { }
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table.insert(lines, string.format('%sReview changes%s\n', Ansi.yellow, Ansi.reset))
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if fstab then
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for _,l in ipairs(Util.split(fstab)) do
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l = Util.trim(l)
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if #l > 0 and l:sub(1, 1) ~= '#' then
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local m = Util.matches(l)
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if m and m[1] and m[1] == target.path then
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table.insert(lines, string.format('Removed from usr/etc/fstab:\n%s%s%s\n', Ansi.red, l, Ansi.reset))
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end
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end
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end
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end
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local t = target.path
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local s = fs.combine(source.path .. '/' .. target.path, '')
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if t ~= s then
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table.insert(lines, string.format('Added to usr/etc/fstab:\n%s%s linkfs %s%s\n', Ansi.green, t, s, Ansi.reset))
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end
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table.insert(lines, string.format('Move directory:\n%s/%s -> /%s', Ansi.green, target.mountPoint, s))
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self.info:setText(table.concat(lines, '\n'))
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UI.WizardPage.enable(self)
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end,
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validate = function(self)
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if self.changesApplied then
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return true
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end
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local fstab = Util.readFile('usr/etc/fstab')
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local lines = { }
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if fstab then
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for _,l in ipairs(Util.split(fstab)) do
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table.insert(lines, l)
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l = Util.trim(l)
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if #l > 0 and l:sub(1, 1) ~= '#' then
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local m = Util.matches(l)
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if m and m[1] and m[1] == target.path then
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fs.unmount(m[1])
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table.remove(lines)
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end
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end
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end
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end
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local t = target.path
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local s = fs.combine(source.path .. '/' .. target.path, '')
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fs.move('/' .. target.mountPoint, '/' .. s)
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if t ~= s then
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table.insert(lines, string.format('%s linkfs %s', t, s))
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fs.mount(t, 'linkfs', s)
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end
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Util.writeFile('usr/etc/fstab', table.concat(lines, '\n'))
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self.parent.nextButton.text = 'Exit'
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self.parent.cancelButton:disable()
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self.parent.previousButton:disable()
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self.changesApplied = true
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self.info:setValue('Changes have been applied')
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self.parent:draw()
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end,
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},
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},
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notification = UI.Notification { },
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eventHandler = function(self, event)
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if event.type == 'notify' then
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self.notification:error(event.message)
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elseif event.type == 'accept' or event.type == 'cancel' then
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UI:quit()
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end
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return UI.Page.eventHandler(self, event)
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end,
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}
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UI:disableEffects()
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UI:setPage(page)
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UI:start()
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