Class: Alexandria::BookProviders::AbstractProvider

Inherits:
Object
  • Object
show all
Includes:
GetText
Defined in:
lib/alexandria/book_providers.rb,
lib/alexandria/ui/init.rb

Direct Known Subclasses

GenericProvider, Z3950Provider

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, fullname = nil) ⇒ AbstractProvider

Returns a new instance of AbstractProvider.



204
205
206
207
208
209
 
# File 'lib/alexandria/book_providers.rb', line 204

def initialize(name, fullname = nil)
  @name = name
  @fullname = fullname || name
  @prefs = Preferences.new(self)
  @prefs.add("enabled", _("Enabled"), true, [true, false])
end

Instance Attribute Details

#fullname ⇒ Object

Returns the value of attribute fullname.



202
203
204
 
# File 'lib/alexandria/book_providers.rb', line 202

def fullname
  @fullname
end

#name ⇒ Object

Returns the value of attribute name.



202
203
204
 
# File 'lib/alexandria/book_providers.rb', line 202

def name
  @name
end

#prefs ⇒ Object (readonly)

Returns the value of attribute prefs.



201
202
203
 
# File 'lib/alexandria/book_providers.rb', line 201

def prefs
  @prefs
end

Class Method Details

.abstract? ⇒ Boolean

Returns:

  • (Boolean) 


272
273
274
 
# File 'lib/alexandria/book_providers.rb', line 272

def self.abstract?
  !included_modules.include?(Singleton)
end

.unabstract ⇒ Object

FIXME: Clean up this complex abstract/concrete class system



281
282
283
284
285
286
287
288
 
# File 'lib/alexandria/book_providers.rb', line 281

def self.unabstract
  include Singleton

  undef_method :reinitialize
  undef_method :name=
  undef_method :fullname=
  undef_method :remove
end

Instance Method Details

#<=>(other) ⇒ Object 



276
277
278
 
# File 'lib/alexandria/book_providers.rb', line 276

def <=>(other)
  fullname <=> other.fullname
end

#abstract? ⇒ Boolean

Returns:

  • (Boolean) 


268
269
270
 
# File 'lib/alexandria/book_providers.rb', line 268

def abstract?
  self.class.abstract?
end

#action_name ⇒ Object 



63
64
65
 
# File 'lib/alexandria/ui/init.rb', line 63

def action_name
  "At" + name
end

#enabled ⇒ Object 



211
212
213
 
# File 'lib/alexandria/book_providers.rb', line 211

def enabled
  @prefs["enabled"]
end

#reinitialize(fullname) ⇒ Object 



220
221
222
223
224
225
226
227
228
229
230
 
# File 'lib/alexandria/book_providers.rb', line 220

def reinitialize(fullname)
  @name = "#{name}_#{fullname.hash}"
  @fullname = fullname
  prefs = Alexandria::Preferences.instance
  ary = prefs.get_variable :abstract_providers
  ary ||= []
  ary << @name
  prefs.set_variable :abstract_providers, ary
  message = variable_name("name")
  prefs.set_variable(message, @fullname)
end

#remove ⇒ Object 



232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
 
# File 'lib/alexandria/book_providers.rb', line 232

def remove
  prefs = Alexandria::Preferences.instance
  if (ary = prefs.get_variable :abstract_providers)
    ary.delete(@name)
    prefs.set_variable :abstract_providers, ary
  end
  if (ary = prefs.providers_priority) && ary.include?(@name)
    ary.delete(@name)
    prefs.providers_priority = ary
  end
  self.prefs.each do |variable|
    name = variable_name(variable)
    prefs.remove_preference(name)
  end
  name = variable_name("name")
  prefs.remove_preference(name)
  prefs.save!
end

#toggle_enabled ⇒ Object 



215
216
217
218
 
# File 'lib/alexandria/book_providers.rb', line 215

def toggle_enabled
  old_value = enabled
  @prefs.variable_named("enabled").new_value = !old_value
end

#transport ⇒ Object 



263
264
265
266
 
# File 'lib/alexandria/book_providers.rb', line 263

def transport
  config = Alexandria::Preferences.instance.http_proxy_config
  config ? Net::HTTP.Proxy(*config) : Net::HTTP
end

#variable_name(object) ⇒ Object 



251
252
253
254
255
256
257
258
259
260
261
 
# File 'lib/alexandria/book_providers.rb', line 251

def variable_name(object)
  s = case object
      when String
        object
      when Preferences::Variable
        object.name
      else
        raise
      end
  @name.downcase + "_" + s
end