Class: Alexandria::UI::ExportDialog

Inherits:
Object
  • Object
show all
Extended by:
GetText
Includes:
GetText
Defined in:
lib/alexandria/ui/export_dialog.rb

Constant Summary collapse

FORMATS = 
Alexandria::ExportFormat.all
THEMES = 
Alexandria::WebTheme.all

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, library, sort_order) ⇒ ExportDialog

Returns a new instance of ExportDialog.



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# File 'lib/alexandria/ui/export_dialog.rb', line 23

def initialize(parent, library, sort_order)
  @dialog = Gtk::FileChooserDialog.new(title: _("Export '%s'") % library.name,
                                       parent: parent,
                                       action: :save,
                                       buttons: [[Gtk::Stock::HELP, :help],
                                                 [Gtk::Stock::CANCEL, :cancel],
                                                 [_("_Export"), :accept]])
  @dialog.current_name = library.name
  @dialog.signal_connect("destroy") { @dialog.hide }

  @parent = parent
  @library = library
  @sort_order = sort_order

  preview_image = Gtk::Image.new

  @theme_combo = Gtk::ComboBoxText.new
  @theme_combo.valign = :center
  @theme_combo.vexpand = false
  THEMES.each do |theme|
    @theme_combo.append_text(theme.name)
  end
  @theme_combo.signal_connect("changed") do
    file = THEMES[@theme_combo.active].preview_file
    preview_image.pixbuf = GdkPixbuf::Pixbuf.new(file: file)
  end
  @theme_combo.active = 0
  theme_label = Gtk::Label.new(_("_Theme:"), use_underline: true)
  theme_label.xalign = 0
  theme_label.mnemonic_widget = @theme_combo

  @types_combo = Gtk::ComboBoxText.new
  @types_combo.vexpand = false
  @types_combo.valign = :center
  FORMATS.each do |format|
    text = format.name + " ("
    text += if format.ext
              "*." + format.ext
            else
              _("directory")
            end
    text += ")"
    @types_combo.append_text(text)
  end
  @types_combo.active = 0
  @types_combo.signal_connect("changed") do
    visible = FORMATS[@types_combo.active].needs_preview?
    theme_label.visible = @theme_combo.visible = preview_image.visible = visible
  end
  @types_combo.show

  types_label = Gtk::Label.new(_("Export for_mat:"), use_underline: true)
  types_label.xalign = 0
  types_label.mnemonic_widget = @types_combo
  types_label.show

  # TODO: Re-design extra widget layout
  grid = Gtk::Grid.new
  grid.column_spacing = 6
  grid.attach types_label, 0, 0, 1, 1
  grid.attach @types_combo, 1, 0, 1, 1
  grid.attach theme_label, 0, 1, 1, 1
  grid.attach @theme_combo, 1, 1, 1, 1
  grid.attach preview_image, 2, 0, 1, 3
  @dialog.set_extra_widget grid
end

Instance Attribute Details

#dialog ⇒ Object (readonly)

Returns the value of attribute dialog.



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# File 'lib/alexandria/ui/export_dialog.rb', line 21

def dialog
  @dialog
end

Instance Method Details

#perform ⇒ Object 



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# File 'lib/alexandria/ui/export_dialog.rb', line 90

def perform
  while ((response = dialog.run) != Gtk::ResponseType::CANCEL) &&
      (response != Gtk::ResponseType::DELETE_EVENT)

    if response == Gtk::ResponseType::HELP
      Alexandria::UI.display_help(self, "exporting")
    else
      begin
        break if on_export(FORMATS[@types_combo.active],
                           THEMES[@theme_combo.active])
      rescue StandardError => ex
        ErrorDialog.new(@dialog, _("Export failed"), ex.message).display
        break
      end
    end
  end
  dialog.destroy
end