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@dgdavid
dgdavid committed Mar 10, 2020
1 parent e3d5922 commit 23eaa14
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184 changes: 38 additions & 146 deletions src/lib/y2packager/dialogs/addon_selector.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -11,27 +11,26 @@
# ------------------------------------------------------------------------------

require "yast"
require "erb"
require "ui/installation_dialog"
require "cwm/dialog"
require "y2packager/resolvable"
require "y2packager/widgets/addons_selector"

Yast.import "AddOnProduct"
Yast.import "Mode"
Yast.import "ProductFeatures"
Yast.import "Report"
Yast.import "Stage"
Yast.import "UI"
Yast.import "Wizard"

module Y2Packager
module Dialogs
# Dialog which shows the user available products on the medium
class AddonSelector < ::UI::InstallationDialog
class AddonSelector < ::CWM::Dialog
include Yast::Logger
include ERB::Util

# @return [Array<Y2Packager::ProductLocation>] Products on the medium
attr_reader :products

# @return [Array<Y2Packager::ProductLocation>] User selected products
attr_reader :selected_products

Expand All @@ -53,6 +52,37 @@ def initialize(products)
@selected_products = []
end

# The dialog entry point
#
# Display the dialog title on the left side at installation (in the first
# stage) to have the same layout as in the registration addons dialog.
#
# @see {CWM::Dialog#run}
def run
Yast::Wizard.OpenLeftTitleNextBackDialog if Yast::Stage.initial

super
end

# @macro seeDialog
def title
# TODO: does it make sense also for the 3rd party addons?
_("Extension and Module Selection")
end

# @macro seeDialog
def contents
addons_selector_widget
end

private

attr_writer :selected_products

def addons_selector_widget
@addons_selector_widget ||= Widgets::AddonsSelector.new(products, preselected_products)
end

# Handler for the :next action
#
# This action happens when the user clicks the 'Next' button
Expand All @@ -61,15 +91,15 @@ def next_handler

return if selected_products.empty? && !Yast::Popup.ContinueCancel(continue_msg)

finish_dialog(:next)
:next
end

# Handler for the :abort action
# Confirm abort when running in the initial stage (inst-sys)
def abort_handler
return if Yast::Stage.initial && !Yast::Popup.ConfirmAbort(:painless)

finish_dialog(:abort)
:abort
end

# Text to display when the help button is pressed
Expand All @@ -81,117 +111,21 @@ def help_text
"subdirectories. Select which products you want to install.</p>")
end

# Handle changing the current item or changing the selection
def addon_repos_handler
current_product = find_current_product
return unless current_product

refresh_details(current_product)

select_dependent_products
end

# Display the the dialog title on the left side at installation
# (in the first stage) to have the same layout as in the registration
# addons dialog.
def run
Yast::Wizard.OpenLeftTitleNextBackDialog if Yast::Stage.initial
super()
ensure
Yast::Wizard.CloseDialog if Yast::Stage.initial
end

# overwrite dialog creation to always enable back/next by default
def create_dialog
res = super
Yast::Wizard.EnableNextButton
Yast::Wizard.EnableBackButton
Yast::UI.SetFocus(Id(:addon_repos))
res
end

private

attr_writer :selected_products

def selection_content
defaults = preselected_products
products.map { |p| Item(Id(p.dir), p.summary || p.name, defaults.include?(p)) }
end

# Dialog content
#
# @see ::UI::Dialog
def dialog_content
VBox(
# TRANSLATORS: Product selection label (above a multi-selection box)
Left(Heading(_("Available Extensions and Modules"))),
VWeight(60, MinHeight(8,
MultiSelectionBox(
Id(:addon_repos),
Opt(:notify, :immediate),
"",
selection_content
))),
VSpacing(0.4),
details_widget
)
end

# select the dependent products for the active selection
def select_dependent_products
# select the dependent products
new_selection = current_selection

# the selection has not changed, nothing to do
return if new_selection == selected_products

# add the dependent items to the selected list
selected_items = Yast::UI.QueryWidget(Id(:addon_repos), :SelectedItems)
new_items = new_selection - selected_products
new_items.each do |p|
# the dependencies contain also the transitive (indirect) dependencies,
# we do not need to recursively evaluate the list
dependencies = p&.details&.depends_on
selected_items.concat(dependencies) if dependencies
end

selected_items.uniq!

Yast::UI.ChangeWidget(:addon_repos, :SelectedItems, selected_items)
end

# refresh the details of the currently selected add-on
def refresh_details(current_product)
details = product_description(current_product)
Yast::UI.ChangeWidget(Id(:details), :Value, details)
Yast::UI.ChangeWidget(Id(:details), :Enabled, true)
end

def read_user_selection
self.selected_products = current_selection

log.info("Selected products: #{selected_products.inspect}")
end

#
# The currently selected products
#
# @return [Array<Y2Packager::ProductLocation>] list of selected products
#
def current_selection
selected_items = Yast::UI.QueryWidget(Id(:addon_repos), :SelectedItems)
selected_items = addons_selector_widget.selected_items.map(&:id)
products.select { |p| selected_items.include?(p.dir) }
end

# Dialog title
#
# @see ::UI::Dialog
def dialog_title
# TODO: does it make sense also for the 3rd party addons?
_("Extension and Module Selection")
end

# A message for asking the user whether to continue without adding any addon.
#
# @return [String] translated message
Expand All @@ -201,40 +135,6 @@ def continue_msg
"Do you really want to continue without adding any product?")
end

# description widget
# @return [Yast::Term] the addon details widget
def details_widget
VWeight(
40,
RichText(Id(:details), Opt(:disabled), initial_description)
)
end

# extra help text
# @return [String] first product description
def initial_description
return "" if products.empty?

product_description(products.first)
end

def product_description(product)
erb_file = File.join(__dir__, "product_summary.erb")
log.info "Loading ERB template #{erb_file}"
erb = ERB.new(File.read(erb_file))

# compute the dependent products
dependencies = []
product&.details&.depends_on&.each do |p|
# display the human readable product name instead of the product directory
prod = @products.find { |pr| pr.dir == p }
dependencies << (prod.summary || prod.name) if prod
end

# render the ERB template in the context of this object
erb.result(binding)
end

# return a list of the preselected products depending on the installation mode
# @return [Array<Y2Packager::ProductLocation>] the products
def preselected_products
Expand Down Expand Up @@ -278,14 +178,6 @@ def preselected_installation_products
default_modules.include?(p.details&.product)
end
end

# Returns the current product (the one which has the focus in the addons list)
#
# @return [Y2Packager::Product,nil]
def find_current_product
current_item = Yast::UI.QueryWidget(Id(:addon_repos), :CurrentItem)
products.find { |p| p.dir == current_item }
end
end
end
end
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