diff options
Diffstat (limited to 'activemodel')
| -rw-r--r-- | activemodel/CHANGELOG | 4 | ||||
| -rw-r--r-- | activemodel/lib/active_model/dirty.rb | 2 | ||||
| -rw-r--r-- | activemodel/lib/active_model/naming.rb | 2 | ||||
| -rw-r--r-- | activemodel/lib/active_model/observer_array.rb | 45 | ||||
| -rw-r--r-- | activemodel/lib/active_model/observing.rb | 15 | ||||
| -rw-r--r-- | activemodel/lib/active_model/translation.rb | 4 | ||||
| -rw-r--r-- | activemodel/lib/active_model/version.rb | 2 |
7 files changed, 64 insertions, 10 deletions
diff --git a/activemodel/CHANGELOG b/activemodel/CHANGELOG index 03287fac7a..c26924cf09 100644 --- a/activemodel/CHANGELOG +++ b/activemodel/CHANGELOG @@ -1,5 +1,7 @@ *Rails 3.1.0 (unreleased)* +* attr_accessible and friends now accepts :as as option to specify a role [Josh Kalderimis] + * Add support for proc or lambda as an option for InclusionValidator, ExclusionValidator, and FormatValidator [Prem Sichanugrist] @@ -13,6 +15,8 @@ * ActiveModel::AttributeMethods allows attributes to be defined on demand [Alexander Uvarov] +* Add support for selectively enabling/disabling observers [Myron Marston] + *Rails 3.0.2 (unreleased)* diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index 5ede78617a..3b412d3dd7 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -93,7 +93,7 @@ module ActiveModel attribute_method_affix :prefix => 'reset_', :suffix => '!' end - # Do any attributes have unsaved changes? + # Returns true if any attribute have unsaved changes, false otherwise. # person.changed? # => false # person.name = 'bob' # person.changed? # => true diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb index 315ccd40e9..74708692af 100644 --- a/activemodel/lib/active_model/naming.rb +++ b/activemodel/lib/active_model/naming.rb @@ -68,7 +68,7 @@ module ActiveModel # BookModule::BookCover.model_name.i18n_key # => "book_module.book_cover" # # Providing the functionality that ActiveModel::Naming provides in your object - # is required to pass the Active Model Lint test. So either extending the provided + # is required to pass the Active Model Lint test. So either extending the provided # method below, or rolling your own is required. module Naming # Returns an ActiveModel::Name object for module. It can be diff --git a/activemodel/lib/active_model/observer_array.rb b/activemodel/lib/active_model/observer_array.rb index ab7f86007f..5fb73f1c78 100644 --- a/activemodel/lib/active_model/observer_array.rb +++ b/activemodel/lib/active_model/observer_array.rb @@ -2,7 +2,7 @@ require 'set' module ActiveModel # Stores the enabled/disabled state of individual observers for - # a particular model classes. + # a particular model class. class ObserverArray < Array attr_reader :model_class def initialize(model_class, *args) @@ -10,14 +10,57 @@ module ActiveModel super(*args) end + # Returns true if the given observer is disabled for the model class. def disabled_for?(observer) disabled_observers.include?(observer.class) end + # Disables one or more observers. This supports multiple forms: + # + # ORM.observers.disable :user_observer + # # => disables the UserObserver + # + # User.observers.disable AuditTrail + # # => disables the AuditTrail observer for User notifications. + # # Other models will still notify the AuditTrail observer. + # + # ORM.observers.disable :observer_1, :observer_2 + # # => disables Observer1 and Observer2 for all models. + # + # ORM.observers.disable :all + # # => disables all observers for all models. + # + # User.observers.disable :all do + # # all user observers are disabled for + # # just the duration of the block + # end def disable(*observers, &block) set_enablement(false, observers, &block) end + # Enables one or more observers. This supports multiple forms: + # + # ORM.observers.enable :user_observer + # # => enables the UserObserver + # + # User.observers.enable AuditTrail + # # => enables the AuditTrail observer for User notifications. + # # Other models will not be affected (i.e. they will not + # # trigger notifications to AuditTrail if previously disabled) + # + # ORM.observers.enable :observer_1, :observer_2 + # # => enables Observer1 and Observer2 for all models. + # + # ORM.observers.enable :all + # # => enables all observers for all models. + # + # User.observers.enable :all do + # # all user observers are enabled for + # # just the duration of the block + # end + # + # Note: all observers are enabled by default. This method is only + # useful when you have previously disabled one or more observers. def enable(*observers, &block) set_enablement(true, observers, &block) end diff --git a/activemodel/lib/active_model/observing.rb b/activemodel/lib/active_model/observing.rb index c1ac4eb4af..4682ae07ef 100644 --- a/activemodel/lib/active_model/observing.rb +++ b/activemodel/lib/active_model/observing.rb @@ -40,7 +40,11 @@ module ActiveModel observers.replace(values.flatten) end - # Gets the current observers. + # Gets an array of observers observing this model. + # The array also provides +enable+ and +disable+ methods + # that allow you to selectively enable and disable observers. + # (see <tt>ActiveModel::ObserverArray.enable</tt> and + # <tt>ActiveModel::ObserverArray.disable</tt> for more on this) def observers @observers ||= ObserverArray.new(self) end @@ -56,6 +60,8 @@ module ActiveModel end # Add a new observer to the pool. + # The new observer needs to respond to 'update', otherwise it + # raises an +ArgumentError+ exception. def add_observer(observer) unless observer.respond_to? :update raise ArgumentError, "observer needs to respond to `update'" @@ -144,8 +150,8 @@ module ActiveModel # Observers will by default be mapped to the class with which they share a # name. So CommentObserver will be tied to observing Comment, ProductManagerObserver # to ProductManager, and so on. If you want to name your observer differently than - # the class you're interested in observing, you can use the Observer.observe class - # method which takes either the concrete class (Product) or a symbol for that + # the class you're interested in observing, you can use the <tt>Observer.observe</tt> + # class method which takes either the concrete class (Product) or a symbol for that # class (:product): # # class AuditObserver < ActiveModel::Observer @@ -220,7 +226,8 @@ module ActiveModel self.class.observed_classes end - # Send observed_method(object) if the method exists. + # Send observed_method(object) if the method exists and + # the observer is enabled for the given object's class. def update(observed_method, object) #:nodoc: return unless respond_to?(observed_method) return if disabled_for?(object) diff --git a/activemodel/lib/active_model/translation.rb b/activemodel/lib/active_model/translation.rb index 920a133159..6d64c81b5f 100644 --- a/activemodel/lib/active_model/translation.rb +++ b/activemodel/lib/active_model/translation.rb @@ -18,12 +18,12 @@ module ActiveModel # # This also provides the required class methods for hooking into the # Rails internationalization API, including being able to define a - # class based i18n_scope and lookup_ancestors to find translations in + # class based +i18n_scope+ and +lookup_ancestors+ to find translations in # parent classes. module Translation include ActiveModel::Naming - # Returns the i18n_scope for the class. Overwrite if you want custom lookup. + # Returns the +i18n_scope+ for the class. Overwrite if you want custom lookup. def i18n_scope :activemodel end diff --git a/activemodel/lib/active_model/version.rb b/activemodel/lib/active_model/version.rb index 23ba42bf35..68c138da84 100644 --- a/activemodel/lib/active_model/version.rb +++ b/activemodel/lib/active_model/version.rb @@ -3,7 +3,7 @@ module ActiveModel MAJOR = 3 MINOR = 1 TINY = 0 - PRE = "beta" + PRE = "beta1" STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.') end |