Get rid of the enabled/disabled in favor of has_*? syntax.

lib/simple_form/components/disabled.rb

@@ -12,14 +12,6 @@ module SimpleForm
       def has_disabled?
         options[:disabled] == true
       end
-
-      private
-
-      alias :enabled_disabled :disabled
-
-      def disabled_disabled
-        nil
-      end
     end
   end
 end

lib/simple_form/components/errors.rb

@@ -11,12 +11,6 @@ module SimpleForm
 
     protected
 
-      alias :enabled_error :error
-
-      def disabled_error
-        nil
-      end
-
       def error_text
         if options[:error_prefix]
           options[:error_prefix] + " " + errors.send(error_method)

lib/simple_form/components/hints.rb

@@ -2,15 +2,13 @@ module SimpleForm
   module Components
     module Hints
       def hint
-        (options.delete(:hint) || translate(:hints)).presence
+        (options.delete(:hint) || translate(:hints)).presence if has_hint?
       end
 
       private
 
-      alias :enabled_hint :hint
-
-      def disabled_hint
-        nil
+      def has_hint?
+        true
       end
     end
   end

lib/simple_form/components/labels.rb

@@ -22,6 +22,7 @@ module SimpleForm
       end
 
       def label
+        return "" unless has_label?
         if input_type_should_generate_for_attribute?
           @builder.label(label_target, label_text, label_html_options)
         else
@@ -45,10 +46,8 @@ module SimpleForm
 
     protected
 
-      alias :enabled_label :label
-
-      def disabled_label
-        ""
+      def has_label?
+        true
       end
 
       def raw_label_text #:nodoc:

lib/simple_form/components/placeholders.rb

@@ -2,21 +2,15 @@ module SimpleForm
   module Components
     module Placeholders
       def placeholder
-        nil # This component is disabled by default.
-      end
-
-      def has_placeholder?
-        options[:placeholder] != false && placeholder_text.present?
-      end
-
-      private
-
-      def enabled_placeholder
         input_html_options[:placeholder] ||= placeholder_text if has_placeholder?
         nil
       end
 
-      alias :disabled_placeholder :placeholder
+      def has_placeholder?
+        placeholder_text.present?
+      end
+
+      private
 
       def placeholder_text
         @placeholder_text ||= options[:placeholder] || translate(:placeholders)

lib/simple_form/inputs/base.rb

@@ -15,15 +15,6 @@ module SimpleForm
       include SimpleForm::Components::LabelInput
       include SimpleForm::Components::Placeholders
 
-      # Enables certain components support to the given input.
-      def self.enable(*args)
-        args.each { |m| alias_method m, :"enabled_#{m}" }
-      end
-
-      def self.disable(*args)
-        args.each { |m| alias_method m, :"disabled_#{m}" }
-      end
-
       attr_reader :attribute_name, :column, :input_type, :reflection,
                   :options, :input_html_options, :input_html_classes
 

lib/simple_form/inputs/block_input.rb

@@ -9,6 +9,10 @@ module SimpleForm
       def input
         template.capture(&@block)
       end
+
+      def has_placeholder?
+        false
+      end
     end
   end
 end

lib/simple_form/inputs/boolean_input.rb

@@ -9,6 +9,10 @@ module SimpleForm
         input + (options[:label] == false ? "" : label)
       end
 
+      def has_placeholder?
+        false
+      end
+
       private
 
       # Booleans are not required by default because in most of the cases

lib/simple_form/inputs/collection_input.rb

@@ -24,6 +24,10 @@ module SimpleForm
         options
       end
 
+      def has_placeholder?
+        false
+      end
+
       private
 
       def collection

lib/simple_form/inputs/date_time_input.rb

@@ -5,12 +5,16 @@ module SimpleForm
         @builder.send(:"#{input_type}_select", attribute_name, input_options, input_html_options)
       end
 
-      private
+      def has_placeholder?
+        false
+      end
 
       def has_required?
         false
       end
 
+      private
+
       def label_target
         case input_type
         when :date, :datetime

lib/simple_form/inputs/file_input.rb

@@ -4,6 +4,10 @@ module SimpleForm
       def input
         @builder.file_field(attribute_name, input_html_options)
       end
+
+      def has_placeholder?
+        false
+      end
     end
   end
 end

lib/simple_form/inputs/hidden_input.rb

@@ -1,12 +1,15 @@
 module SimpleForm
   module Inputs
     class HiddenInput < Base
-      disable :label, :error, :hint
-
       def input
         @builder.hidden_field(attribute_name, input_html_options)
       end
 
+      def has_label?() false end
+      def has_errors?() false end
+      def has_hint?() false end
+      def has_placeholder?() false end
+
       private
 
       def attribute_required?

lib/simple_form/inputs/numeric_input.rb

@@ -1,8 +1,6 @@
 module SimpleForm
   module Inputs
     class NumericInput < Base
-      enable :placeholder
-
       def input
         add_size!
         if SimpleForm.html5

lib/simple_form/inputs/password_input.rb

@@ -1,8 +1,6 @@
 module SimpleForm
   module Inputs
     class PasswordInput < Base
-      enable :placeholder
-
       def input
         add_size!
         add_maxlength!

lib/simple_form/inputs/priority_input.rb

@@ -10,12 +10,12 @@ module SimpleForm
         options[:priority] || SimpleForm.send(:"#{input_type}_priority")
       end
 
-    protected
-
       def has_required?
         false
       end
 
+    protected
+
       def skip_include_blank?
         super || input_priority.present?
       end

lib/simple_form/inputs/range_input.rb

@@ -1,8 +1,6 @@
 module SimpleForm
   module Inputs
     class RangeInput < NumericInput
-      disable :placeholder
-
       def input
         if SimpleForm.html5
           input_html_options[:type] ||= "range"
@@ -11,6 +9,10 @@ module SimpleForm
 
         super
       end
+
+      def has_placeholder?
+        false
+      end
     end
   end
 end

lib/simple_form/inputs/string_input.rb

@@ -1,8 +1,6 @@
 module SimpleForm
   module Inputs
     class StringInput < Base
-      enable :placeholder
-
       def input
         input_html_options[:type] ||= input_type if SimpleForm.html5 && !string?
         add_maxlength!

lib/simple_form/inputs/text_input.rb

@@ -1,8 +1,6 @@
 module SimpleForm
   module Inputs
     class TextInput < Base
-      enable :placeholder
-
       def input
         add_maxlength!
         @builder.text_area(attribute_name, input_html_options)