First commit

- basic gem files
- helper for dynamic fields
- js for dynamic fields

.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 'https://rubygems.org'
+
+# Specify your gem's dependencies in dynamic_fields_for_rails.gemspec
+gemspec

LICENSE.txt

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+Copyright (c) 2013 Marten Klitzke
+
+MIT License
+
+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.

README.md

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+# DynamicFieldsForRails
+
+Dynamic fields helper for Rails.
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'dynamic_fields_for_rails'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install dynamic_fields_for_rails
+
+## Contributing
+
+1. Fork it
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request
+
+## TODOs
+
+
+- Write usage instructions here
+- Write Tests

Rakefile

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+require "bundler/gem_tasks"

app/assets/javascripts/dynamic_form_for.coffee

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+$ ->
+  $(document).off 'click', 'form .remove_fields'
+  $(document).off 'click', 'form .add_fields'
+
+  $(document).on 'click', 'form .remove_fields', (event) ->
+    $(this).prev('input[type=hidden]').val('1')
+    $(this).closest('.fields').hide()
+    event.preventDefault()
+
+  $(document).on 'click', 'form .add_fields', (event) ->
+    console.log "test"
+    time = new Date().getTime()
+    regexp = new RegExp($(this).data('id'), 'g')
+    $(this).before($(this).data('fields').replace(regexp, time))
+    event.preventDefault()

app/helpers/dynamic_form_for_helper.rb

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+# encoding: utf-8
+module DynamicFormForHelper
+
+  def link_to_add_fields(form, association, name=nil, &block)
+    new_object = form.object.send(association).klass.new
+    id = new_object.object_id
+    fields = form.fields_for(association, new_object, child_index: id) do |builder|
+      render(association.to_s.singularize + "_fields", fields: builder)
+    end
+    style_class = "button small radius right"
+    if block_given?
+    	link_to('#', class: "add_fields #{style_class}", data: {id: id, fields: fields.gsub("\n", "")}, &block)
+    else
+    	link_to(name, '#', class: "add_fields #{style_class}", data: {id: id, fields: fields.gsub("\n", "")})
+  	end
+  end
+
+  def link_to_delete_fields(fields, name=nil, style_class=nil, &block)
+    if style_class.blank?
+      style_class = "button alert radius postfix"
+    end
+    link = []
+    link << fields.hidden_field(:_destroy)
+    if block_given?
+      link << link_to('#', class: "remove_fields #{style_class}", title: name, &block)
+    else
+      link << link_to(name, '#', class: "remove_fields #{style_class}")
+    end
+    return link.join('').html_safe
+  end
+end

dynamic_fields_for_rails.gemspec

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+# coding: utf-8
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'dynamic_fields_for_rails/version'
+
+Gem::Specification.new do |spec|
+  spec.name          = "dynamic_fields_for_rails"
+  spec.version       = DynamicFieldsForRails::VERSION
+  spec.authors       = ["Marten Klitzke"]
+  spec.email         = ["[email protected]"]
+  spec.description   = %q{Dynamic fields helper for Rails.}
+  spec.summary       = %q{Helper for nested forms with dynamic fields.}
+  spec.homepage      = "https://github.com/mortik/dynamic_fields_for_rails"
+  spec.license       = "MIT"
+
+  spec.files         = `git ls-files`.split($/)
+  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "bundler", "~> 1.3"
+  spec.add_development_dependency "rake"
+
+  spec.add_dependency "rails", ">= 3.2.13"
+end

lib/dynamic_fields_for_rails.rb

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+require "dynamic_fields_for_rails/version"
+
+module DynamicFieldsForRails
+end

lib/dynamic_fields_for_rails/version.rb

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+module DynamicFieldsForRails
+  VERSION = "0.0.1"
+end