inst_casp_overview.rb

# encoding: utf-8

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

require "users/widgets"
require "y2country/widgets"
require "ui/widgets"
require "tune/widgets"

require "installation/widgets/overview"
require "installation/widgets/system_role"
# FIXME: prototype only
require "installation/widgets/mocked"

module Installation
  # This library provides a simple dialog for setting
  # - the password for the system administrator (root)
  # - the keyboard layout
  # This dialog does not write the password to the system,
  # only stores it in UsersSimple module,
  # to be written during inst_finish.
  class InstCaspOverview
    include Yast::Logger
    include Yast::I18n
    include Yast::UIShortcuts

    def run
      Yast.import "UI"
      Yast.import "Language"
      Yast.import "Mode"
      Yast.import "CWM"
      Yast.import "Popup"
      Yast.import "Pkg"

      textdomain "installation"

      # Simplified work-flow do not contain language proposal, but have software one.
      # So avoid false positive detection of language change
      Yast::Pkg.SetPackageLocale(Yast::Language.language)

      # We do not need to create a wizard dialog in installation, but it's
      # helpful when testing all manually on a running system
      Yast::Wizard.CreateDialog if separate_wizard_needed?

      ret = nil
      loop do
        content, blocking_widgets = content_and_blocking_widgets
        ret = Yast::CWM.show(
          content,
          # Title for installation overview dialog
          caption:        _("Installation Overview"),
          # Button label: start the installation
          next_button:    _("Install"),
          # do not show abort and back button
          abort_button:   "",
          back_button:    "",
          # do not store stuff when just redrawing
          skip_store_for: [:redraw]
        )
        blocker = blocking_widgets.find(&:blocking?)
        if blocker
          # %s is a heading of a problematic section, like "Partitioning" or "Network"
          Yast::Popup.Error(
            _("%s blocks the installation. Please solve the problem there before proceeding.") %
            blocker.label.delete("&")
          )
          next
        end
        break if ret != :redraw
      end

      Yast::Wizard.CloseDialog if separate_wizard_needed?

      ret
    end

  private

    def quadrant_layout(upper_left:, lower_left:, upper_right:, lower_right:)
      HBox(
        HWeight(
          6,
          VBox(
            VWeight(5, upper_left),
            VStretch(),
            VWeight(5, lower_left)
          )
        ),
        HSpacing(3),
        HWeight(
          4,
          VBox(
            VWeight(5, upper_right),
            VStretch(),
            VWeight(5, lower_right)
          )
        )
      )
    end

    # Returns a pair with UI widget-set for the dialog and widgets that can
    # block installation
    def content_and_blocking_widgets
      dashboard = Installation::Widgets::DashboardPlace.new
      partitions = Installation::Widgets::Overview.new(client: "partitions_proposal")
      bootloader = Installation::Widgets::Overview.new(client: "bootloader_proposal")
      network = Installation::Widgets::Overview.new(client: "network_proposal")
      kdump = Installation::Widgets::Overview.new(client: "kdump_proposal")
      blocking = [partitions, bootloader, network, kdump]
      content = quadrant_layout(
        upper_left:  VBox(
          ::Widgets::RegistrationCode.new,
          ::Users::PasswordWidget.new(little_space: true),
          # use english us as default keyboard layout
          ::Y2Country::Widgets::KeyboardSelectionCombo.new("english-us")
        ),
        lower_left:  VBox(
          Installation::Widgets::SystemRole.new(dashboard),
          dashboard,
          Tune::Widgets::SystemInformation.new
        ),
        upper_right: VBox(
          partitions,
          bootloader
        ),
        lower_right: VBox(
          network,
          kdump,
          Installation::Widgets::InvisibleSoftwareOverview.new
        )
      )

      [content, blocking]
    end

    # Returns whether we need/ed to create new UI Wizard
    def separate_wizard_needed?
      Yast::Mode.normal
    end
  end
end