yast/yast-storage-ng

# Copyright (c) [2017-2021] SUSE LLC
#
# 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 SUSE LLC.
#
# To contact SUSE LLC about this file by physical or electronic mail, you may
# find current contact information at www.suse.com.

require "y2storage"
require "y2storage/dialogs/guided_setup/base"
require "y2storage/dialogs/guided_setup/widgets/volume"

module Y2Storage
  module Dialogs
    class GuidedSetup
      # Dialog to select which filesystems to create and its corresponding settings
      class SelectFilesystem < Base
        def initialize(*params)
          textdomain "storage"
          super
        end

        def dialog_title
          _("Filesystem Options")
        end

        def help_text
          _("Select the filesystem type for each LVM Volume Group, " \
            "LVM Logical Volume, and/or partition.")
        end

        def handle_event(event)
          volume_widgets.each { |w| w.handle(event) }
        end

        # This dialog is skipped when there is nothing to edit
        #
        # @return [Boolean]
        def skip?
          settings.volumes.none?(&:configurable?)
        end

        protected

        # Set of widgets to display, one for every volume in the settings that
        # is configurable by the user
        def volume_widgets
          @volume_widgets ||=
            settings.volumes.to_enum.with_index.map do |vol, idx|
              next unless vol.configurable?

              Widgets::Volume.new(settings, idx)
            end.compact
        end

        # Return a widget term for the dialog content, i.e. all the volumes
        # and possibly some more interactive widgets.
        #
        # @return [WidgetTerm]
        #
        def dialog_content
          content = volume_widgets.each_with_object(VBox()) do |widget, vbox|
            vbox << VSpacing(1.4) unless vbox.empty?
            vbox << widget.content
          end

          HVCenter(
            HSquash(
              content
            )
          )
        end

        def initialize_widgets
          volume_widgets.each(&:init)
        end

        # Update the settings: Fetch the current widget values and store them
        # in the settings.
        #
        def update_settings!
          volume_widgets.each(&:store)
        end
      end
    end
  end
end