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dialogs.rb
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dialogs.rb
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# encoding: utf-8
# ------------------------------------------------------------------------------
# Copyright (c) 2006-2015 Novell, Inc. All Rights Reserved.
#
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of version 2 of the GNU General Public License as published by the
# Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, contact Novell, Inc.
#
# To contact Novell about this file by physical or electronic mail, you may find
# current contact information at www.novell.com.
# ------------------------------------------------------------------------------
# File: include/snapper/dialogs.ycp
# Package: Configuration of snapper
# Summary: Dialogs definitions
# Authors: Jiri Suchomel <jsuchome@suse.cz>
module Yast
module SnapperDialogsInclude
include Yast::Logger
def initialize_snapper_dialogs(include_target)
Yast.import "UI"
textdomain "snapper"
Yast.import "Confirm"
Yast.import "FileUtils"
Yast.import "Label"
Yast.import "Popup"
Yast.import "Wizard"
Yast.import "Snapper"
Yast.import "String"
Yast.include include_target, "snapper/helps.rb"
end
def timestring(t)
return t.strftime("%F %T")
end
def ReallyAbort
Popup.ReallyAbort(true)
end
# Read settings dialog
# @return `abort if aborted and `next otherwise
def ReadDialog
return :abort if !Confirm.MustBeRoot
Wizard.RestoreHelp(Ops.get_string(@HELPS, "read", ""))
ret = Snapper.Init()
ret ? :next : :abort
end
# transform userdata from widget to map
def get_userdata(id)
return Snapper.string_to_userdata(UI.QueryWidget(Id(id), :Value))
end
# generate list of items for Cleanup combo box
def cleanup_items(current)
Builtins.maplist(["timeline", "number", ""]) do |cleanup|
Item(Id(cleanup), cleanup, cleanup == current)
end
end
# compare editable parts of snapshot maps
def snapshot_modified(orig, new)
orig = deep_copy(orig)
new = deep_copy(new)
ret = false
Builtins.foreach(
Convert.convert(new, :from => "map", :to => "map <string, any>")
) { |key, value| ret = ret || Ops.get(orig, key) != value }
ret
end
# grouped enable condition based on snapshot presence for modification widgets
def enable_snapshot_buttons(condition)
UI.ChangeWidget(Id(:show), :Enabled, condition)
UI.ChangeWidget(Id(:modify), :Enabled, condition)
UI.ChangeWidget(Id(:delete), :Enabled, condition)
end
# Popup for modification of existing snapshot
# @return true if new snapshot was created
def ModifySnapshotPopup(snapshot)
snapshot = deep_copy(snapshot)
modified = false
num = Ops.get_integer(snapshot, "num", 0)
pre_num = Ops.get_integer(snapshot, "pre_num", num)
type = Ops.get_symbol(snapshot, "type", :none)
pre_index = Ops.get(Snapper.id2index, pre_num, 0)
pre_snapshot = Ops.get(Snapper.snapshots, pre_index, {})
snapshot_term = lambda do |prefix, data|
data = deep_copy(data)
HBox(
HSpacing(),
Frame(
"",
HBox(
HSpacing(0.4),
VBox(
# text entry label
InputField(
Id(Ops.add(prefix, "description")),
Opt(:hstretch),
_("Description"),
Ops.get_string(data, "description", "")
),
# text entry label
InputField(
Id(Ops.add(prefix, "userdata")),
Opt(:hstretch),
_("User data"),
Snapper.userdata_to_string(data["userdata"])
),
Left(
ComboBox(
Id(Ops.add(prefix, "cleanup")),
Opt(:editable, :hstretch),
# combo box label
_("Cleanup algorithm"),
cleanup_items(Ops.get_string(data, "cleanup", ""))
)
)
),
HSpacing(0.4)
)
),
HSpacing()
)
end
if type != :POST
cont = VBox(
# popup label, %{num} is number
Heading(_("Modify Snapshot %{num}") % { :num => num }),
snapshot_term.call("", snapshot)
)
else
cont = VBox(
# popup label, %{pre} and %{post} are numbers
Heading(_("Modify Snapshot %{pre} and %{post}") % { :pre => pre_num, :post => num }),
# label
Left(Label(_("Pre (%{pre})") % { :pre => pre_num })),
snapshot_term.call("pre_", pre_snapshot),
VSpacing(),
# label
Left(Label(_("Post (%{post})") % { :post => num })),
snapshot_term.call("", snapshot)
)
end
UI.OpenDialog(
Opt(:decorated),
HBox(
HSpacing(1),
VBox(
VSpacing(0.5),
HSpacing(65),
cont,
VSpacing(0.5),
ButtonBox(
PushButton(Id(:ok), Label.OKButton),
PushButton(Id(:cancel), Label.CancelButton)
),
VSpacing(0.5)
),
HSpacing(1)
)
)
ret = nil
args = {}
pre_args = {}
while true
ret = UI.UserInput
args = {
"num" => num,
"description" => UI.QueryWidget(Id("description"), :Value),
"cleanup" => UI.QueryWidget(Id("cleanup"), :Value),
"userdata" => get_userdata("userdata")
}
if type == :POST
pre_args = {
"num" => pre_num,
"description" => UI.QueryWidget(Id("pre_description"), :Value),
"cleanup" => UI.QueryWidget(Id("pre_cleanup"), :Value),
"userdata" => get_userdata("pre_userdata")
}
end
break if ret == :ok || ret == :cancel
end
UI.CloseDialog
if ret == :ok
if snapshot_modified(snapshot, args)
modified = Snapper.ModifySnapshot(args)
end
if type == :POST && snapshot_modified(pre_snapshot, pre_args)
modified = Snapper.ModifySnapshot(pre_args) || modified
end
end
modified
end
# Popup for creating new snapshot
# @return true if new snapshot was created
def CreateSnapshotPopup(pre_snapshots)
pre_snapshots = deep_copy(pre_snapshots)
created = false
pre_items = Builtins.maplist(pre_snapshots) do |s|
Item(Id(s), Builtins.tostring(s))
end
UI.OpenDialog(
Opt(:decorated),
HBox(
HSpacing(1),
VBox(
VSpacing(0.5),
HSpacing(65),
# popup label
Heading(_("Create New Snapshot")),
# text entry label
InputField(Id("description"), Opt(:hstretch), _("Description"), ""),
RadioButtonGroup(
Id(:rb_type),
Left(
HVSquash(
VBox(
Left(
RadioButton(
Id("single"),
Opt(:notify),
# radio button label
_("Single snapshot"),
true
)
),
Left(
RadioButton(
Id("pre"),
Opt(:notify),
# radio button label
_("Pre"),
false
)
),
VBox(
Left(
RadioButton(
Id("post"),
Opt(:notify),
# radio button label, snapshot selection will follow
_("Post, paired with:"),
false
)
),
HBox(
HSpacing(2),
Left(
ComboBox(Id(:pre_list), Opt(:notify), "", pre_items)
)
)
)
)
)
)
),
# text entry label
InputField(Id("userdata"), Opt(:hstretch), _("User data"), ""),
# text entry label
ComboBox(
Id("cleanup"),
Opt(:editable, :hstretch),
_("Cleanup algorithm"),
cleanup_items("")
),
VSpacing(0.5),
ButtonBox(
PushButton(Id(:ok), Label.OKButton),
PushButton(Id(:cancel), Label.CancelButton)
),
VSpacing(0.5)
),
HSpacing(1)
)
)
UI.ChangeWidget(
Id("post"),
:Enabled,
!pre_items.empty?
)
UI.ChangeWidget(
Id(:pre_list),
:Enabled,
!pre_items.empty?
)
ret = nil
args = {}
while true
ret = UI.UserInput
args = {
"type" => UI.QueryWidget(Id(:rb_type), :Value),
"description" => UI.QueryWidget(Id("description"), :Value),
"pre" => UI.QueryWidget(Id(:pre_list), :Value),
"cleanup" => UI.QueryWidget(Id("cleanup"), :Value),
"userdata" => get_userdata("userdata")
}
break if ret == :ok || ret == :cancel
end
UI.CloseDialog
created = Snapper.CreateSnapshot(args) if ret == :ok
created
end
# Popup for deleting existing snapshot
# @return true if snapshot was deleted
def DeleteSnapshotPopup(snapshot)
snapshot = deep_copy(snapshot)
num = Ops.get_integer(snapshot, "num", 0)
pre_num = Ops.get_integer(snapshot, "pre_num", num)
type = Ops.get_symbol(snapshot, "type", :none)
if type != :POST
# yes/no popup question
if Popup.YesNo(_("Really delete snapshot %{num}?") % { :num => num })
return Snapper.DeleteSnapshot([num])
end
else
# yes/no popup question
if Popup.YesNo(_("Really delete snapshots %{pre} and %{post}?") %
{ :pre => pre_num, :post => num })
return Snapper.DeleteSnapshot([pre_num, num])
end
end
false
end
# Summary dialog
# @return dialog result
def SummaryDialog
# summary dialog caption
caption = _("Snapshots")
snapshots = deep_copy(Snapper.snapshots)
configs = deep_copy(Snapper.configs)
snapshot_items = []
# lonely pre snapshots
pre_snapshots = []
# generate list of snapshot table items
get_snapshot_items = lambda do
i = -1
snapshot_items = []
pre_snapshots = []
Builtins.foreach(snapshots) do |s|
i = Ops.add(i, 1)
num = Ops.get_integer(s, "num", 0)
date = ""
if num != 0
date = timestring(s["date"])
end
userdata = Snapper.userdata_to_string(s["userdata"])
if Ops.get_symbol(s, "type", :none) == :SINGLE
snapshot_items = Builtins.add(
snapshot_items,
Item(
Id(i),
num,
_("Single"),
date,
"",
Ops.get_string(s, "description", ""),
userdata
)
)
elsif Ops.get_symbol(s, "type", :none) == :POST
pre = Ops.get_integer(s, "pre_num", 0) # pre canot be 0
index = Ops.get(Snapper.id2index, pre, -1)
if pre == 0 || index == -1
Builtins.y2warning(
"something wrong - pre:%1, index:%2",
pre,
index
)
next
end
desc = Ops.get_string(Snapper.snapshots, [index, "description"], "")
pre_date = timestring(Snapper.snapshots[index]["date"])
snapshot_items = Builtins.add(
snapshot_items,
Item(
Id(i),
"%{pre} & %{post}" % { :pre => pre, :post => num },
_("Pre & Post"),
pre_date,
date,
desc,
userdata
)
)
else
post = Ops.get_integer(s, "post_num", 0) # 0 means there's no post
if post == 0
Builtins.y2milestone("pre snappshot %1 does not have post", num)
snapshot_items = Builtins.add(
snapshot_items,
Item(
Id(i),
num,
_("Pre"),
date,
"",
Ops.get_string(s, "description", ""),
userdata
)
)
pre_snapshots = Builtins.add(pre_snapshots, num)
else
Builtins.y2milestone("skipping pre snapshot: %1", num)
end
end
end
deep_copy(snapshot_items)
end
# update list of snapshots
update_snapshots = lambda do
# busy popup message
Popup.ShowFeedback("", _("Reading list of snapshots..."))
Snapper.ReadSnapshots()
snapshots = deep_copy(Snapper.snapshots)
Popup.ClearFeedback
UI.ChangeWidget(Id(:snapshots_table), :Items, get_snapshot_items.call)
enable_snapshot_buttons(!snapshot_items.empty?)
nil
end
contents = VBox(
HBox(
# combo box label
Label(_("Current Configuration")),
ComboBox(Id(:configs), Opt(:notify), "", Builtins.maplist(configs) do |config|
Item(Id(config), config, config == Snapper.current_config)
end),
HStretch()
),
Table(
Id(:snapshots_table),
Opt(:notify, :keepSorting),
Header(
# table header
_("ID"),
_("Type"),
_("Start Date"),
_("End Date"),
_("Description"),
_("User Data")
),
get_snapshot_items.call
),
HBox(
# button label
PushButton(Id(:show), Opt(:default), _("Show Changes")),
PushButton(Id(:create), Label.CreateButton),
PushButton(Id(:modify), Label.ModifyButton),
PushButton(Id(:delete), Label.DeleteButton),
PushButton(Id(:refresh), Label.RefreshButton),
HStretch()
)
)
Wizard.SetContentsButtons(
caption,
contents,
Ops.get_string(@HELPS, "summary", ""),
Label.BackButton,
Label.CloseButton
)
Wizard.HideBackButton
Wizard.HideAbortButton
UI.SetFocus(Id(:snapshots_table))
enable_snapshot_buttons(!snapshot_items.empty?)
UI.ChangeWidget(
Id(:configs),
:Enabled,
configs.size > 1
)
ret = nil
while true
ret = UI.UserInput
selected = Convert.to_integer(
UI.QueryWidget(Id(:snapshots_table), :CurrentItem)
)
if ret == :abort || ret == :cancel || ret == :back
if ReallyAbort()
break
else
next
end
elsif ret == :show
if Ops.get(snapshots, [selected, "type"]) == :PRE
# popup message
Popup.Message(
_(
"This 'Pre' snapshot is not paired with any 'Post' one yet.\nShowing differences is not possible."
)
)
next
end
# `POST snapshot is selected from the pair
Snapper.selected_snapshot = Ops.get(snapshots, selected, {})
break
elsif ret == :configs
config = Convert.to_string(UI.QueryWidget(Id(ret), :Value))
if config != Snapper.current_config
Snapper.current_config = config
update_snapshots.call
next
end
elsif ret == :create
if CreateSnapshotPopup(pre_snapshots)
update_snapshots.call
next
end
elsif ret == :modify
if ModifySnapshotPopup(Ops.get(snapshots, selected, {}))
update_snapshots.call
next
end
elsif ret == :delete
if DeleteSnapshotPopup(Ops.get(snapshots, selected, {}))
update_snapshots.call
next
end
elsif ret == :refresh
update_snapshots.call
next
elsif ret == :next
break
else
Builtins.y2error("unexpected retcode: %1", ret)
next
end
end
deep_copy(ret)
end
def generate_ui_file_tree(subtree)
return subtree.children.map do |file|
Item(Id(file.fullname), term(:icon, file.icon), file.name, false,
generate_ui_file_tree(file))
end
end
def format_diff(diff, textmode)
lines = Builtins.splitstring(String.EscapeTags(diff), "\n")
if !textmode
# colorize diff output
lines.map! do |line|
case line[0]
when "+"
line = "<font color=blue>#{line}</font>"
when "-"
line = "<font color=red>#{line}</font>"
end
line
end
end
ret = lines.join("<br>")
if !textmode
# show fixed font in diff
ret = "<pre>" + ret + "</pre>"
end
return ret
end
# @return dialog result
def ShowDialog
# dialog caption
caption = _("Selected Snapshot Overview")
display_info = UI.GetDisplayInfo
textmode = Ops.get_boolean(display_info, "TextMode", false)
previous_filename = ""
current_filename = ""
current_file = nil
snapshot = deep_copy(Snapper.selected_snapshot)
snapshot_num = Ops.get_integer(snapshot, "num", 0)
pre_num = Ops.get_integer(snapshot, "pre_num", snapshot_num)
pre_index = Ops.get(Snapper.id2index, pre_num, 0)
description = Ops.get_string(
Snapper.snapshots,
[pre_index, "description"],
""
)
pre_date = timestring(Snapper.snapshots[pre_index]["date"])
date = timestring(snapshot["date"])
type = Ops.get_symbol(snapshot, "type", :NONE)
combo_items = []
Builtins.foreach(Snapper.snapshots) do |s|
id = Ops.get_integer(s, "num", 0)
if id != snapshot_num
# '%1: %2' means 'ID: description', adapt the order if necessary
combo_items = Builtins.add(
combo_items,
Item(
Id(id),
# "%1: %2" must not to be translated (bnc#1086633)
# because "description" is already a translated string
# and it seems that for some translations this could be a
# problem regarding UTF-8 encoding. E.g. zh_CN.UTF-8 in our case
# here.
Builtins.sformat(
"%1: %2",
id,
Ops.get_string(s, "description", "")
)
)
)
end
end
from = snapshot_num
to = 0 # current system
if Ops.get_symbol(snapshot, "type", :NONE) == :POST
from = Ops.get_integer(snapshot, "pre_num", 0)
to = snapshot_num
elsif Ops.get_symbol(snapshot, "type", :NONE) == :PRE
to = Ops.get_integer(snapshot, "post_num", 0)
end
# busy popup message
Popup.ShowFeedback("", _("Calculating changed files..."))
files_tree = Snapper.ReadModifiedFilesTree(from, to)
Popup.ClearFeedback()
snapshot_name = Builtins.tostring(snapshot_num)
# helper function: show the specific modification between snapshots
show_file_modification = lambda do |file, from2, to2|
content = VBox()
# busy popup message
Popup.ShowFeedback("", _("Calculating file modifications..."))
modification = Snapper.GetFileModification(file.fullname, from2, to2)
Popup.ClearFeedback
status = Ops.get_list(modification, "status", [])
if Builtins.contains(status, "created")
# label
content = Builtins.add(
content,
Left(Label(_("New file was created.")))
)
elsif Builtins.contains(status, "removed")
# label
content = Builtins.add(content, Left(Label(_("File was removed."))))
elsif Builtins.contains(status, "no_change")
# label
content = Builtins.add(
content,
Left(Label(_("File content was not changed.")))
)
elsif Builtins.contains(status, "none")
# label
content = Builtins.add(
content,
Left(Label(_("File does not exist in either snapshot.")))
)
elsif Builtins.contains(status, "diff")
# label
content = Builtins.add(
content,
Left(Label(_("File content was modified.")))
)
end
if Builtins.contains(status, "mode")
content = Builtins.add(
content,
Left(
Label(
# text label, %1, %2 are file modes (like '-rw-r--r--')
Builtins.sformat(
_("File mode was changed from '%1' to '%2'."),
Ops.get_string(modification, "mode1", ""),
Ops.get_string(modification, "mode2", "")
)
)
)
)
end
if Builtins.contains(status, "user")
content = Builtins.add(
content,
Left(
Label(
# text label, %1, %2 are user names
Builtins.sformat(
_("File user ownership was changed from '%1' to '%2'."),
Ops.get_string(modification, "user1", ""),
Ops.get_string(modification, "user2", "")
)
)
)
)
end
if Builtins.contains(status, "group")
# label
content = Builtins.add(
content,
Left(
Label(
# text label, %1, %2 are group names
Builtins.sformat(
_("File group ownership was changed from '%1' to '%2'."),
Ops.get_string(modification, "group1", ""),
Ops.get_string(modification, "group2", "")
)
)
)
)
end
if Builtins.haskey(modification, "diff")
content = Builtins.add(content, RichText(Id(:diff),
format_diff(Ops.get_string(modification, "diff", ""), textmode)))
else
content = Builtins.add(content, VStretch())
end
# button label
restore_label = _("R&estore from First")
# button label
restore_label_single = _("Restore")
if file.created?
restore_label = Label.RemoveButton
restore_label_single = Label.RemoveButton
end
UI.ReplaceWidget(
Id(:diff_content),
HBox(
HSpacing(0.5),
VBox(
content,
VSquash(
HBox(
HStretch(),
type == :SINGLE ?
Empty() :
PushButton(Id(:restore_pre), restore_label),
PushButton(
Id(:restore),
type == :SINGLE ?
restore_label_single :
_("Res&tore from Second")
)
)
)
),
HSpacing(0.5)
)
)
if type != :SINGLE && file.deleted?
# file removed in 2nd snapshot cannot be restored from that snapshot
UI.ChangeWidget(Id(:restore), :Enabled, false)
end
nil
end
# create the term for selected file
set_entry_term = lambda do
if current_file && current_file.status != 0
if type == :SINGLE
UI.ReplaceWidget(
Id(:diff_chooser),
HBox(
HSpacing(0.5),
VBox(
VSpacing(0.2),
RadioButtonGroup(
Id(:rd),
Left(
HVSquash(
VBox(
Left(
RadioButton(
Id(:diff_snapshot),
Opt(:notify),
# radio button label
_(
"Show the difference between snapshot and current system"
),
true
)
),
VBox(
Left(
RadioButton(
Id(:diff_arbitrary),
Opt(:notify),
# radio button label, snapshot selection will follow
_(
"Show the difference between current and selected snapshot:"
),
false
)
),
HBox(
HSpacing(2),
# FIXME: without label, there's no shortcut!
Left(
ComboBox(
Id(:selection_snapshots),
Opt(:notify),
"",
combo_items
)
)
)
)
)
)
)
),
VSpacing()
),
HSpacing(0.5)
)
)
show_file_modification.call(current_file, snapshot_num, 0)
UI.ChangeWidget(Id(:selection_snapshots), :Enabled, false)
else
UI.ReplaceWidget(
Id(:diff_chooser),
HBox(
HSpacing(0.5),
VBox(
VSpacing(0.2),
RadioButtonGroup(
Id(:rd),
Left(
HVSquash(
VBox(
Left(
RadioButton(
Id(:diff_snapshot),
Opt(:notify),
# radio button label
_(
"Show the difference between first and second snapshot"
),
true
)
),
Left(
RadioButton(
Id(:diff_pre_current),
Opt(:notify),
# radio button label
_(
"Show the difference between first snapshot and current system"
),
false
)
),
Left(
RadioButton(
Id(:diff_post_current),
Opt(:notify),
# radio button label
_(
"Show the difference between second snapshot and current system"
),
false
)
)
)
)
)
),
VSpacing()
),
HSpacing(0.5)
)
)
show_file_modification.call(current_file, from, to)
end
else
UI.ReplaceWidget(Id(:diff_chooser), VBox(VStretch()))
UI.ReplaceWidget(Id(:diff_content), HBox(HStretch()))
end
nil
end
if type == :SINGLE
tree_label = "%{num}" % { :num => snapshot_num }
date_widget = HBox(
# label, date string will follow at the end of line
Label(Id(:date), _("Time of taking the snapshot:")),
Right(Label(date))
)
else
tree_label = "%{pre} && %{post}" % { :pre => from, :post => to }
date_widget = VBox(
HBox(
# label, date string will follow at the end of line
Label(Id(:pre_date), _("Time of taking the first snapshot:")),
Right(Label(pre_date))
),
HBox(
# label, date string will follow at the end of line
Label(Id(:post_date), _("Time of taking the second snapshot:")),
Right(Label(date))
)
)
end
contents = HBox(
HWeight(
1,
VBox(
HBox(
HSpacing(),
ReplacePoint(
Id(:reptree),
VBox(Left(Label(Snapper.current_subvolume)), Tree(Id(:tree), tree_label, []))
),
HSpacing()
),
HBox(
HSpacing(1.5),
HStretch(),
textmode ?
# button label
PushButton(Id(:open), Opt(:key_F6), _("&Open")) :
Empty(),
HSpacing(1.5)
)
)
),
HWeight(
2,
VBox(
Left(Label(Id(:desc), description)),
VSquash(VWeight(1, VSquash(date_widget))),
VWeight(
2,
Frame(
"",
HBox(
HSpacing(0.5),