Class: Alexandria::Preferences

Inherits:
Object
  • Object
show all
Includes:
Logging, Singleton
Defined in:
lib/alexandria/preferences.rb,
lib/alexandria/default_preferences.rb

Constant Summary collapse

APP_DIR = 
"/apps/alexandria"
HTTP_PROXY_DIR = 
"/system/http_proxy"
HTTP_PROXY_MODE = 
"/system/proxy/mode"
URL_HANDLERS_DIR = 
"/desktop/gnome/url-handlers"
GCONFTOOL = 
"gconftool-2"
DEFAULT_VALUES = 
{
  "position" => [0, 0],
  "size" => [640, 480],
  "maximized" => false,
  "sidepane_position" => 140,
  "view_as" => 0,
  "arrange_icons_mode" => 0,
  "reverse_icons" => false,
  "barcode_scanner" => "CueCat",
  "play_scanning_sound" => true,
  "play_scan_sound" => true,
  "toolbar_visible" => true,
  "sidepane_visible" => true,
  "statusbar_visible" => true,
  "col_authors_visible" => true,
  "col_edition_visible" => true,
  "col_isbn_visible" => true,
  "col_publisher_visible" => true,
  "col_publish_date_visible" => true,
  "col_loaned_to_visible" => true,
  "col_rating_visible" => true,
  "col_redd_visible" => true,
  "col_own_visible" => true,
  "col_want_visible" => true,
  "col_tags_visible" => true,
  "cols_width" => "{}",
  "providers_priority" => ["Amazon", "BarnesAndNoble", "AdLibris", "Proxis", "Thalia", "Siciliano", "WorldCat", "LOC", "BL", "SBN"],
  "view_advanced_settings" => false
}

Instance Method Summary collapse

Methods included from Logging

included, #log

Constructor Details

#initialize ⇒ Preferences

Returns a new instance of Preferences.



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/alexandria/preferences.rb', line 23

def initialize
  @alexandria_settings = {}
  @changed_settings = Set.new

  @url_handlers_loaded = false
  @http_command = nil
  @mailto_command = nil

  @http_proxy_loaded = false
  @use_http_proxy = false
  @proxy_host = nil
  @proxy_port = nil
  @proxy_user = nil
  @proxy_password = nil

  load_alexandria_settings
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id, *args) ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
 
# File 'lib/alexandria/preferences.rb', line 60

def method_missing(id, *args)
  method = id.id2name
  if (match = /(.*)=$/.match(method))
    if args.length != 1
      raise "Set method #{method} should be called with " \
        "only one argument (was called with #{args.length})"
    end
    variable_name = match[1]
    new_value = args.first
    generic_setter(variable_name, new_value)
  else
    unless args.empty?
      raise "Get method #{method} should be called " \
        "without argument (was called with #{args.length})"
    end
    generic_getter(method)
  end
end

Instance Method Details

#http_proxy_config ⇒ Object 



41
42
43
44
45
46
 
# File 'lib/alexandria/preferences.rb', line 41

def http_proxy_config
  load_http_proxy_settings unless @http_proxy_loaded
  if @use_http_proxy && @proxy_host && @proxy_port
    [@proxy_host, @proxy_port, @proxy_user, @proxy_password]
  end
end

#remove_preference(variable_name) ⇒ Object 



79
80
81
82
 
# File 'lib/alexandria/preferences.rb', line 79

def remove_preference(variable_name)
  @alexandria_settings.delete(variable_name)
  @changed_settings << variable_name
end

#save! ⇒ Object 



48
49
50
51
52
53
54
55
56
57
58
 
# File 'lib/alexandria/preferences.rb', line 48

def save!
  log.debug { "preferences save!" }
  @changed_settings.each do |variable_name|
    log.debug do
      klass = @alexandria_settings[variable_name].class
      "saving preference #{variable_name} / #{klass}"
    end
    generic_save_setting(variable_name, @alexandria_settings[variable_name])
  end
  @changed_settings.clear
end