Initial commit

.gitignore

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+*.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp

Gemfile

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+source 'http://rubygems.org'
+
+# Specify your gem's dependencies in acts_as_virtual_field.gemspec
+gemspec

MIT-LICENSE

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+Copyright (c) 2011 Alexander Simonov
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Rakefile

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+#!/usr/bin/env rake
+require "bundler/gem_tasks"

acts_as_virtual_field.gemspec

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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require 'acts_as_virtual_field/version'
+
+Gem::Specification.new do |gem|
+  gem.authors       = ["Alexander Simonov"]
+  gem.email         = ["alex@simonov.me"]
+  gem.platform      = Gem::Platform::RUBY
+  gem.description   = %q{Rails3 plugin to define virtual field types on any column of model}
+  gem.summary       = %q{Rails3 plugin to define virtual field types on any column of model}
+  gem.homepage      = ""
+  gem.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  gem.files         = `git ls-files`.split("\n")
+  gem.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  gem.name          = %q{acts_as_virtual_field}
+  gem.require_paths = ["lib"]
+  gem.licenses      = ["MIT"]
+  gem.version       = ::ActsAsVirtualField::VERSION
+  gem.add_dependency 'rails', '~> 3.1'
+  gem.add_dependency 'formtastic', '~> 2.0'
+  gem.add_development_dependency 'rspec', "~> 2.6"
+end

lib/acts_as_virtual_field.rb

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+require "acts_as_virtual_field/version"
+
+module ActsAsVirtualField
+  require 'acts_as_virtual_field/virtual_field'
+end

lib/acts_as_virtual_field/active_record/acts/virtual_field.rb

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+module ActiveRecord
+  module Acts #:nodoc:
+    module VirtualField #:nodoc:
+      def acts_as_virtual_field(*args)
+        options = args.extract_options!
+        cattr_accessor :virtual_field_column, :virtual_field_association
+        self.virtual_field_association      = options[:class]   || 'VirtualField'
+        self.virtual_field_column           = options[:column]  || :value
+
+        belongs_to :virtual_field, 
+          :class_name => self.virtual_field_association.to_s,
+          :foreign_key => 'virtual_field_id'
+          :dependent => :delete_all
+
+        include InstanceMethods
+      end
+
+      module InstanceMethods
+        def formtastic_options
+          field_type = self.virtual_field.field_type
+          klass = "::ActsAsVirtualField::VirtualField::#{field_type}".constantize
+          opts = {
+            :label => self.virtual_field.label,
+            :requried => self.virtual_field.required?,
+            :as => klass.view_as
+          }
+          opts[:collection] = self.virtual_field.field_meta.split(/\r?\n/) if klass.collection?
+          opts[:input_html] = klass.html_options if klass.has_html_options?
+        end
+      end
+
+    end
+  end
+end

lib/acts_as_virtual_field/fields/base.rb

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+module ActsAsVirtualField
+  module VirtualField
+    class Base
+      class << self
+        def view_as
+          self.class.VIEW_AS || :string
+        end
+
+        def has_html_options?
+          self.class.HTML_OPTIONS || false
+        end
+
+        def html_options
+          self.class.HTML_OPTIONS
+        end
+      end
+    end
+  end
+end

lib/acts_as_virtual_field/fields/date.rb

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+module ActsAsVirtualField
+  class Date < Base
+
+    VIEW_AS = :string
+    HTML_OPTIONS = {
+      :class => 'date-picker'
+    }
+
+  end
+end

lib/acts_as_virtual_field/fields/datetime.rb

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+module ActsAsVirtualField
+  class Datetime < Base
+    REGEXP = /^(?<hours>\d{1,2}):(?<minutes>\d{1,2}) (?<day>\d{1,2}).(?<month>\d{1,2}).(?<year>\d{4})$/
+    FORMAT = '%H:%M %d.%m.%Y'
+
+    def set_value
+      @value = ::DateTime.strptime(@original_value, FORMAT)
+    end
+
+    def to_s
+      @value.strftime FORMAT
+    end
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :datetime)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/decimal.rb

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+module ActsAsVirtualField
+  class Decimal < Base
+
+    DIGITS = 2
+    REGEXP = /^\d+(\,\d{1,2})?$/
+
+    def set_value
+      @value = ::BigDecimal.new(@original_value.gsub(/,/,'.'),DIGITS)
+    end
+
+    def to_s
+      @value.to_s.gsub(/\./,',')
+    end
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :numeric)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/gender.rb

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+module ActsAsVirtualField
+  class Gender < Base
+    GENDERS = {
+      "male"    => I18n.t("genders.male", :default => "Male"), 
+      "female"  => I18n.t("genders.female", :default => "Female"),
+      "unknown" => I18n.t("genders.unknown", :default => "Unknown")
+    }
+
+    def check_value
+      raise unless GENDERS.keys.include?(@original_value)
+    end
+
+    def self.for_select
+      @genders ||= GENDERS.to_a.map(&:reverse)
+    end
+
+    def to_s
+      GENDERS[@value]
+    end
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :select, :collection => for_select)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/image.rb

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+module ActsAsVirtualField
+  class Image < Base
+
+  end
+end

lib/acts_as_virtual_field/fields/images.rb

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+module ActsAsVirtualField
+  class Images < Base
+  end
+end

lib/acts_as_virtual_field/fields/integer.rb

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+module Fields
+  class Integer < Base
+    REGEXP = /^[+-]?\d+$/
+
+    def set_value
+      @value = @match[0].to_i
+    end
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :numeric)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/list.rb

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+module ActsAsVirtualField
+  class List < Base
+
+    def self.collection?
+      true
+    end
+
+    def initialize(meta, value)
+      raise unless meta.is_a?(::String)
+      raise unless value.is_a?(::String)
+      @original_value = Yajl::Parser.parse(value)
+      @meta = Yajl::Parser.parse(meta)
+      raise unless @meta.is_a?(::Hash)
+      raise unless value_valid?
+      set_value
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/mail.rb

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+module ActsAsVirtualField
+  require 'mail'
+  class Mail < Base
+
+    def check_value
+      m = ::Mail::Address.new(@original_value)
+      r = m.domain && m.address == @original_value
+      t = m.__send__(:tree)
+      r &&= (t.domain.dot_atom_text.elements.size > 1)
+      raise unless r
+    end
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :email)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/multiple_list.rb

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+module ActsAsVirtualField
+  class MultipleList < List
+
+    def value_valid?
+      return false unless @original_value.is_a?(::Array)
+      return false unless @original_value.present?
+      intersection = @meta.keys & @original_value
+      return false unless intersection.present?
+      return false unless intersection.eql? @original_value
+      true
+    end
+
+    def set_value
+      @value = @original_value.inject({}) do |memo, key| 
+        memo[key] = @meta[key]
+        memo
+      end
+    end
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :check_boxes)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/phone.rb

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+module ActsAsVirtualField
+  class Phone < Base
+    REGEXP = /^[+\-\/0-9]+$/
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :phone)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/postal_code.rb

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+module ActsAsVirtualField
+  class PostalCode < Base
+    REGEXP = /^\d{5}$/
+  end
+end

lib/acts_as_virtual_field/fields/single_list.rb

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+module ActsAsVirtualField
+  class SingleList < List
+
+    def value_valid?
+      return false unless @original_value.is_a?(::String)
+      return false unless @meta.has_key? @original_value
+      true
+    end
+
+    def set_value
+      @value = {@original_value => @meta[@original_value]}
+    end
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge!(:as => :select)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/fields/string.rb

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+module ActsAsVirtualField
+  class String < Base; end
+end

lib/acts_as_virtual_field/fields/text.rb

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+module ActsAsVirtualField
+  class Text < String
+
+    def self.to_formtastic(*args)
+      options = args.extract_options!
+      options.merge(:as => :text)
+      options
+    end
+
+  end
+end

lib/acts_as_virtual_field/version.rb

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+module ActsAsVirtualField
+  VERSION = "0.0.1"
+end