Using ActiveRecord with SQLite DB in a JRuby Desktop App

gem install glimmer-dsl-swt -v4.23.1.4 

% gem install glimmer-dsl-swt -v4.23.1.4 Fetching text-table-1.2.4.gem Fetching rouge-3.28.0.gem Fetching super_module-1.4.1.gem Fetching wisper-2.0.1.gem Fetching method_source-1.0.0.gem Fetching tty-screen-0.8.1.gem Fetching tty-cursor-0.7.1.gem Fetching tty-reader-0.9.0.gem Fetching tty-color-0.6.0.gem Fetching pastel-0.8.0.gem Fetching tty-prompt-0.23.1.gem Fetching rake-tui-0.2.3.gem Fetching awesome_print-1.9.2.gem Fetching os-1.1.4.gem Fetching nested_inherited_jruby_include_package-0.3.0.gem Fetching jruby-win32ole-0.8.5.gem Fetching facets-3.1.0.gem Fetching array_include_methods-1.4.0.gem Fetching glimmer-2.7.3.gem Fetching puts_debuggerer-0.13.5.gem Fetching glimmer-dsl-swt-4.23.1.4.gem Fetching concurrent-ruby-1.1.10.gem Successfully installed text-table-1.2.4 Successfully installed method_source-1.0.0 Successfully installed super_module-1.4.1 Successfully installed rouge-3.28.0 Successfully installed wisper-2.0.1 Successfully installed tty-screen-0.8.1 Successfully installed tty-cursor-0.7.1 Successfully installed tty-reader-0.9.0 Successfully installed tty-color-0.6.0 Successfully installed pastel-0.8.0 Successfully installed tty-prompt-0.23.1 Successfully installed rake-tui-0.2.3 Successfully installed awesome_print-1.9.2 Successfully installed puts_debuggerer-0.13.5 Successfully installed os-1.1.4 Successfully installed nested_inherited_jruby_include_package-0.3.0 Successfully installed jruby-win32ole-0.8.5 Successfully installed facets-3.1.0 Successfully installed array_include_methods-1.4.0 Successfully installed glimmer-2.7.3 Successfully installed concurrent-ruby-1.1.10 You are ready to use `glimmer` and `girb` commands on Windows and Linux. On the Mac, run `glimmer-setup` command to complete setup of Glimmer DSL for SWT (it will configure a Mac required jruby option globally `-J-XstartOnFirstThread` so that you do not have to add manually), making `glimmer` and `girb` commands ready for use: glimmer-setup Successfully installed glimmer-dsl-swt-4.23.1.4 22 gems installed 

glimmer-setup 

glimmer "scaffold[contact_manager]" 

% glimmer "scaffold[contact_manager]" Fetching highline-2.0.3.gem Fetching rack-2.2.3.gem Fetching semver2-3.4.2.gem Fetching kamelcase-0.0.2.gem Fetching nokogiri-1.13.4-java.gem Fetching multi_xml-0.6.0.gem Fetching multi_json-1.15.0.gem Fetching jwt-2.3.0.gem Fetching ruby2_keywords-0.0.5.gem Fetching faraday-retry-1.0.3.gem Fetching faraday-rack-1.0.0.gem Fetching faraday-patron-1.0.0.gem Fetching faraday-net_http-1.0.1.gem Fetching faraday-net_http_persistent-1.2.0.gem Fetching multipart-post-2.1.1.gem Fetching faraday-multipart-1.0.3.gem Fetching faraday-httpclient-1.0.1.gem Fetching faraday-excon-1.1.0.gem Fetching faraday-em_synchrony-1.0.0.gem Fetching faraday-em_http-1.0.0.gem Fetching hashie-3.6.0.gem Fetching thread_safe-0.3.6-java.gem Fetching descendants_tracker-0.0.4.gem Fetching public_suffix-4.0.6.gem Fetching addressable-2.8.0.gem Fetching github_api-0.19.0.gem Fetching faraday-1.10.0.gem Fetching oauth2-1.4.9.gem Fetching rchardet-1.8.0.gem Fetching git-1.10.2.gem Fetching builder-3.2.4.gem Fetching juwelier-2.4.9.gem Successfully installed semver2-3.4.2 Successfully installed nokogiri-1.13.4-java Successfully installed kamelcase-0.0.2 Successfully installed highline-2.0.3 Successfully installed rack-2.2.3 Successfully installed multi_xml-0.6.0 Successfully installed multi_json-1.15.0 Successfully installed jwt-2.3.0 Successfully installed ruby2_keywords-0.0.5 Successfully installed faraday-retry-1.0.3 Successfully installed faraday-rack-1.0.0 Successfully installed faraday-patron-1.0.0 Successfully installed faraday-net_http_persistent-1.2.0 Successfully installed faraday-net_http-1.0.1 Successfully installed multipart-post-2.1.1 Successfully installed faraday-multipart-1.0.3 Successfully installed faraday-httpclient-1.0.1 Successfully installed faraday-excon-1.1.0 Successfully installed faraday-em_synchrony-1.0.0 Successfully installed faraday-em_http-1.0.0 Successfully installed faraday-1.10.0 Successfully installed oauth2-1.4.9 Successfully installed hashie-3.6.0 Successfully installed thread_safe-0.3.6-java Successfully installed descendants_tracker-0.0.4 Successfully installed public_suffix-4.0.6 Successfully installed addressable-2.8.0 Successfully installed github_api-0.19.0 Successfully installed rchardet-1.8.0 Successfully installed git-1.10.2 Successfully installed builder-3.2.4 Successfully installed juwelier-2.4.9 32 gems installed irb_chwscreate.gitignore irb_chwscreateRakefile irb_chwscreateGemfile irb_chwscreateLICENSE.txt irb_chwscreateREADME.markdown irb_chwscreate.document irb_chwscreatelib irb_chwscreatelib/contact_manager.rb irb_chwscreate.rspec Juwelier has prepared your gem in ./contact_manager Created contact_manager/.gitignore Created contact_manager/.ruby-version Created contact_manager/.ruby-gemset Created contact_manager/VERSION Created contact_manager/LICENSE.txt Created contact_manager/Gemfile Created contact_manager/Rakefile Created contact_manager/app/contact_manager.rb Created contact_manager/app/contact_manager/view/app_view.rb Created contact_manager/icons/windows/Contact Manager.ico Created contact_manager/icons/macosx/Contact Manager.icns Created contact_manager/icons/linux/Contact Manager.png Created contact_manager/app/contact_manager/launch.rb Created contact_manager/bin/contact_manager jruby-9.3.4.0 - #gemset created /Users/andymaleh/.rvm/gems/jruby-9.3.4.0@contact_manager jruby-9.3.4.0 - #generating contact_manager wrappers.............. Fetching gem metadata from https://rubygems.org/......... Resolving dependencies................... Using rake 13.0.6 Fetching public_suffix 4.0.6 Fetching array_include_methods 1.4.0 Fetching awesome_print 1.9.2 Fetching builder 3.2.4 Installing builder 3.2.4 Installing array_include_methods 1.4.0 Installing awesome_print 1.9.2 Installing public_suffix 4.0.6 Using bundler 2.3.9 Fetching concurrent-ruby 1.1.10 Fetching thread_safe 0.3.6 (java) Installing concurrent-ruby 1.1.10 Fetching diff-lcs 1.5.0 Installing thread_safe 0.3.6 (java) Installing diff-lcs 1.5.0 Fetching docile 1.4.0 Installing docile 1.4.0 Fetching facets 3.1.0 Fetching faraday-em_http 1.0.0 Fetching faraday-em_synchrony 1.0.0 Installing faraday-em_http 1.0.0 Installing facets 3.1.0 Installing faraday-em_synchrony 1.0.0 Fetching faraday-excon 1.1.0 Fetching faraday-httpclient 1.0.1 Installing faraday-excon 1.1.0 Installing faraday-httpclient 1.0.1 Fetching multipart-post 2.1.1 Fetching faraday-net_http 1.0.1 Installing multipart-post 2.1.1 Installing faraday-net_http 1.0.1 Fetching faraday-net_http_persistent 1.2.0 Fetching faraday-patron 1.0.0 Fetching faraday-rack 1.0.0 Installing faraday-net_http_persistent 1.2.0 Installing faraday-rack 1.0.0 Installing faraday-patron 1.0.0 Fetching faraday-retry 1.0.3 Installing faraday-retry 1.0.3 Fetching ruby2_keywords 0.0.5 Fetching rchardet 1.8.0 Installing ruby2_keywords 0.0.5 Installing rchardet 1.8.0 Fetching hashie 3.6.0 Fetching jwt 2.3.0 Installing hashie 3.6.0 Installing jwt 2.3.0 Fetching multi_json 1.15.0 Installing multi_json 1.15.0 Fetching multi_xml 0.6.0 Fetching rack 2.2.3 Installing multi_xml 0.6.0 Installing rack 2.2.3 Fetching jruby-win32ole 0.8.5 Fetching nested_inherited_jruby_include_package 0.3.0 Installing nested_inherited_jruby_include_package 0.3.0 Installing jruby-win32ole 0.8.5 Fetching os 1.1.4 Installing os 1.1.4 Fetching tty-color 0.6.0 Fetching tty-cursor 0.7.1 Fetching tty-screen 0.8.1 Installing tty-color 0.6.0 Installing tty-cursor 0.7.1 Installing tty-screen 0.8.1 Fetching wisper 2.0.1 Fetching rouge 3.28.0 Fetching method_source 1.0.0 Installing wisper 2.0.1 Installing method_source 1.0.0 Installing rouge 3.28.0 Fetching text-table 1.2.4 Installing text-table 1.2.4 Fetching highline 2.0.3 Installing highline 2.0.3 Using jar-dependencies 0.4.1 Fetching jruby-jars 9.3.4.0 Fetching jruby-rack 1.1.21 Installing jruby-rack 1.1.21 Fetching semver2 3.4.2 Installing semver2 3.4.2 Fetching racc 1.6.0 (java) Installing racc 1.6.0 (java) Fetching rspec-support 3.5.0 Installing rspec-support 3.5.0 Fetching rubyzip 1.3.0 Fetching simplecov-html 0.12.3 Installing rubyzip 1.3.0 Installing simplecov-html 0.12.3 Fetching simplecov_json_formatter 0.1.4 Installing simplecov_json_formatter 0.1.4 Fetching addressable 2.8.0 Fetching puts_debuggerer 0.13.5 Installing puts_debuggerer 0.13.5 Installing addressable 2.8.0 Fetching descendants_tracker 0.0.4 Installing descendants_tracker 0.0.4 Fetching faraday-multipart 1.0.3 Installing faraday-multipart 1.0.3 Fetching git 1.10.2 Fetching pastel 0.8.0 Fetching super_module 1.4.1 Installing git 1.10.2 Installing pastel 0.8.0 Installing super_module 1.4.1 Fetching tty-reader 0.9.0 Fetching psych 4.0.3 (java) Installing tty-reader 0.9.0 Fetching kamelcase 0.0.2 Installing kamelcase 0.0.2 Installing jruby-jars 9.3.4.0 Installing psych 4.0.3 (java) Fetching nokogiri 1.13.4 (java) Fetching rspec-core 3.5.4 Installing rspec-core 3.5.4 jar dependencies for psych-4.0.3-java.gemspec . . . Installing gem 'ruby-maven' . . . Fetching rspec-expectations 3.5.0 Installing rspec-expectations 3.5.0 Installing nokogiri 1.13.4 (java) Fetching rspec-mocks 3.5.0 Installing rspec-mocks 3.5.0 Fetching simplecov 0.21.2 Installing simplecov 0.21.2 Fetching faraday 1.10.0 Installing faraday 1.10.0 Fetching glimmer 2.7.3 Installing glimmer 2.7.3 Fetching tty-prompt 0.23.1 Installing tty-prompt 0.23.1 Fetching rspec 3.5.0 Fetching warbler 2.0.5 Installing rspec 3.5.0 Installing warbler 2.0.5 Fetching oauth2 1.4.9 Fetching rake-tui 0.2.3 Installing rake-tui 0.2.3 Installing oauth2 1.4.9 Fetching glimmer-dsl-swt 4.23.1.4 Fetching github_api 0.19.0 using maven for the first time results in maven downloading all its default plugin and can take time. as those plugins get cached on disk and further execution of maven is much faster then the first time. Installing github_api 0.19.0 Installing glimmer-dsl-swt 4.23.1.4 2022-04-11T20:47:17.877-04:00 [main] WARN FilenoUtil : Native subprocess control requires open access to the JDK IO subsystem Pass '--add-opens java.base/sun.nio.ch=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED' to enable. org.yaml:snakeyaml:1.28:compile Fetching rdoc 6.4.0 Installing rdoc 6.4.0 Fetching juwelier 2.4.9 Installing juwelier 2.4.9 Bundle complete! 5 Gemfile dependencies, 74 gems now installed. Use `bundle info [gemname]` to see where a bundled gem is installed. Post-install message from glimmer-dsl-swt: [" You are ready to use `glimmer` and `girb` commands on Windows and Linux. On the Mac, run `glimmer-setup` command to complete setup of Glimmer DSL for SWT (it will configure a Mac required jruby option globally `-J-XstartOnFirstThread` so that you do not have to add manually), making `glimmer` and `girb` commands ready for use: glimmer-setup "] exist .rspec create spec/spec_helper.rb Created contact_manager/spec/spec_helper.rb Generated: contact_manager.gemspec Locking gem jar-dependencies by downloading and storing in vendor/jars... lock_jars --vendor-dir vendor/jars Installing gem 'ruby-maven' . . . Installing gem 'ruby-maven-libs' . . . using maven for the first time results in maven downloading all its default plugin and can take time. as those plugins get cached on disk and further execution of maven is much faster then the first time. -- jar root dependencies -- 2022-04-11T20:48:09.018-04:00 [main] WARN FilenoUtil : Native subprocess control requires open access to the JDK IO subsystem Pass '--add-opens java.base/sun.nio.ch=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED' to enable. org.yaml:snakeyaml:1.28:compile vendor jars: irb_chws- create vendor/jars/org/yaml/snakeyaml/1.28/snakeyaml-1.28.jar Jars.lock created Generating JAR configuration (config/warble.rb) to use with Warbler... /Users/andymaleh/.rvm/gems/jruby-9.3.4.0@contact_manager/bin/warble cp /Users/andymaleh/.rvm/gems/jruby-9.3.4.0@contact_manager/gems/warbler-2.0.5/warble.rb config/warble.rb Generating JAR with Warbler... /Users/andymaleh/.rvm/gems/jruby-9.3.4.0@contact_manager/bin/warble application directory `db' does not exist or is not a directory; skipping application directory `docs' does not exist or is not a directory; skipping application directory `fonts' does not exist or is not a directory; skipping application directory `images' does not exist or is not a directory; skipping application directory `lib' does not exist or is not a directory; skipping application directory `package' does not exist or is not a directory; skipping application directory `script' does not exist or is not a directory; skipping application directory `sounds' does not exist or is not a directory; skipping application directory `videos' does not exist or is not a directory; skipping rm -f dist/contact_manager.jar Creating dist/contact_manager.jar Generating native executable with jpackage... Java Version 18 Detected! jpackage --type app-image --dest 'packages/bundles' --input 'dist' --main-class JarMain --main-jar 'contact_manager.jar' --name 'Contact Manager' --vendor 'Contact Manager' --icon 'icons/macosx/Contact Manager.icns' --java-options '-XstartOnFirstThread' --mac-package-name 'Contact Manager' --mac-package-identifier 'org.contact_manager.application.contact_manager' --app-version "1.0.0" --copyright "Copyright (c) 2022 contact_manager" --name 'Contact Manager' --description 'Contact Manager' Launching Glimmer Application: ./bin/contact_manager Launching Glimmer Application: /Users/andymaleh/code/contact_manager/app/contact_manager/launch.rb 

gem 'activerecord', '~> 6.1.5' gem 'activerecord-jdbcsqlite3-adapter', '~> 61.1', :platform => :jruby 

bundle install 

Fetching gem metadata from https://rubygems.org/....... Resolving dependencies.......................... Using rake 13.0.6 Using concurrent-ruby 1.1.10 Fetching zeitwerk 2.5.4 Fetching minitest 5.15.0 Using public_suffix 4.0.6 Fetching jdbc-sqlite3 3.28.0 Using array_include_methods 1.4.0 Using awesome_print 1.9.2 Using builder 3.2.4 Using bundler 2.3.9 Using thread_safe 0.3.6 (java) Using diff-lcs 1.5.0 Using docile 1.4.0 Using facets 3.1.0 Using faraday-em_http 1.0.0 Using faraday-em_synchrony 1.0.0 Using faraday-excon 1.1.0 Using faraday-httpclient 1.0.1 Using multipart-post 2.1.1 Using faraday-net_http 1.0.1 Using faraday-net_http_persistent 1.2.0 Using faraday-patron 1.0.0 Using faraday-rack 1.0.0 Using faraday-retry 1.0.3 Using ruby2_keywords 0.0.5 Using rchardet 1.8.0 Using hashie 3.6.0 Using jwt 2.3.0 Using multi_json 1.15.0 Using multi_xml 0.6.0 Using rack 2.2.3 Using jruby-win32ole 0.8.5 Using nested_inherited_jruby_include_package 0.3.0 Using os 1.1.4 Using tty-color 0.6.0 Using tty-cursor 0.7.1 Using tty-screen 0.8.1 Using wisper 2.0.1 Using rouge 3.28.0 Using method_source 1.0.0 Using text-table 1.2.4 Using highline 2.0.3 Using jar-dependencies 0.4.1 Using jruby-jars 9.3.4.0 Using jruby-rack 1.1.21 Using semver2 3.4.2 Using racc 1.6.0 (java) Using rspec-support 3.5.0 Using rubyzip 1.3.0 Using simplecov-html 0.12.3 Using simplecov_json_formatter 0.1.4 Fetching i18n 1.10.0 Installing zeitwerk 2.5.4 Installing minitest 5.15.0 Installing i18n 1.10.0 Fetching tzinfo 2.0.4 Using addressable 2.8.0 Using puts_debuggerer 0.13.5 Using descendants_tracker 0.0.4 Using glimmer 2.7.3 Using faraday-multipart 1.0.3 Using git 1.10.2 Using pastel 0.8.0 Using tty-reader 0.9.0 Using super_module 1.4.1 Using psych 4.0.3 (java) Using kamelcase 0.0.2 Using nokogiri 1.13.4 (java) Using rspec-core 3.5.4 Using rspec-expectations 3.5.0 Using rspec-mocks 3.5.0 Using warbler 2.0.5 Using simplecov 0.21.2 Using faraday 1.10.0 Using tty-prompt 0.23.1 Using rdoc 6.4.0 Using rspec 3.5.0 Using oauth2 1.4.9 Using rake-tui 0.2.3 Using github_api 0.19.0 Using glimmer-dsl-swt 4.23.1.4 Using juwelier 2.4.9 Installing tzinfo 2.0.4 Fetching activesupport 6.1.5 Installing activesupport 6.1.5 Fetching activemodel 6.1.5 Installing activemodel 6.1.5 Fetching activerecord 6.1.5 Installing activerecord 6.1.5 Fetching activerecord-jdbc-adapter 61.1 (java) Installing jdbc-sqlite3 3.28.0 Installing activerecord-jdbc-adapter 61.1 (java) Fetching activerecord-jdbcsqlite3-adapter 61.1 (java) Installing activerecord-jdbcsqlite3-adapter 61.1 (java) Bundle complete! 7 Gemfile dependencies, 84 gems now installed. Use `bundle info [gemname]` to see where a bundled gem is installed. 

migrate_dir = File.expand_path('../migrate', __FILE__) Dir.glob(File.join(migrate_dir, '**', '*.rb')).each {|migration| require migration} ActiveRecord::Migration[6.1].descendants.each do |migration| begin migration.migrate(:up) rescue => e raise e unless e.full_message.match(/table "[^"]+" already exists/) end end 

require 'active_record' class CreateContacts < ActiveRecord::Migration[6.1] def change create_table :contacts do |t| t.string :first_name t.string :last_name t.string :email t.string :phone t.string :street t.string :city t.string :state_or_province t.string :zip_or_postal_code t.string :country end end end 

require 'active_record' require 'jdbc/sqlite3' Jdbc::SQLite3.load_driver require 'activerecord-jdbcsqlite3-adapter' if defined? JRUBY_VERSION @connection = ActiveRecord::Base.establish_connection( adapter: 'sqlite3', database: File.join(Dir.home, 'db/contact_manager.sqlite3') ) require 'db/migrate' 

require 'db/db' class Contact < ActiveRecord::Base STATES = [ 'AK', 'AL', 'AR', 'AZ', 'CA', 'CO', 'CT', 'DC', 'DE', 'FL', 'GA', 'HI', 'IA', 'ID', 'IL', 'IN', 'KS', 'KY', 'LA', 'MA', 'MD', 'ME', 'MI', 'MN', 'MO', 'MS', 'MT', 'NC', 'ND', 'NE', 'NH', 'NJ', 'NM', 'NV', 'NY', 'OH', 'OK', 'OR', 'PA', 'RI', 'SC', 'SD', 'TN', 'TX', 'UT', 'VA', 'VT', 'WA', 'WI', 'WV', 'WY'] PROVINCES = ['NL', 'PE', 'NS', 'NB', 'QC', 'ON', 'MB', 'SK', 'AB', 'BC', 'YT', 'NT', 'NU'] validates :first_name, presence: true validates :last_name, presence: true validates :email, format: {with: /\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b/i, message: 'must be a valid email address'}, allow_blank: true validates :phone, format: {with: /\A[(]?[0-9]{3}[)]?[ -\.\/0-9]{7,9}\z/, message: 'must be a valid phone number'}, allow_blank: true validates :zip_or_postal_code, format: {with: /\A[a-z0-9][0-9][a-z0-9][ 0-9][a-z0-9][a-z0-9]?[0-9]?\z/i, message: 'must be a valid phone number'}, allow_blank: true validate :email_or_phone_is_present def address address_fields = [street, city, state_or_province, zip_or_postal_code, country] address_fields.map { |field| field.blank? ? nil : field }.compact.join(', ') end def country_options ['', 'Canada', 'USA'] end def state_or_province_options (PROVINCES + [''] + STATES) end private def email_or_phone_is_present if email.blank? && phone.blank? errors.add(:email, 'must be present unless phone is present') errors.add(:phone, 'must be present unless email is present') end end end 

require 'singleton' require 'contact_manager/model/contact' class ContactRepository include Singleton def all Contact.all end def search(query_value) if query_value.present? attribute_names = Contact.new.attributes.keys conditions = attribute_names.reduce('') do |conditions, attribute| if conditions.blank? conditions += "lower(#{attribute}) like ?" else conditions += " OR lower(#{attribute}) like ?" end end Contact.where(conditions, *(["%#{query_value.downcase}%"]*attribute_names.count)) else all end end def destroy_all_contacts Contact.destroy_all end end 

require 'contact_manager/model/contact' require 'contact_manager/model/contact_repository' # ContactPresenter is an enhanced Controller that also # enables bidirectional data-binding of contact attributes class ContactPresenter attr_accessor :contacts, :query, :current_contact def initialize renew_current_contact self.contacts = ContactRepository.instance.all # Monitor Contact collection changes # the after_commit hook executes the block under a different object # binding, so we must use `this` to access self this = self Contact.after_commit(on: [:create, :update, :destroy]) do this.contacts = ContactRepository.instance.all end end def query=(query_value) @query = query_value self.contacts = ContactRepository.instance.search(query_value) end def renew_current_contact self.current_contact = Contact.new end def save_current_contact current_contact.save.tap do |saved| renew_current_contact if saved end end def destroy_current_contact if current_contact&.persisted? current_contact.destroy renew_current_contact end end def destroy_all_contacts ContactRepository.instance.destroy_all_contacts end end 

class ContactManager module View class ContactForm include Glimmer::UI::CustomWidget options :contact_presenter body { composite { grid_layout { num_columns 2 make_columns_equal_width true margin_width 0 margin_height 0 vertical_spacing 0 } form_column { form_field(:first_name) form_field(:last_name) form_field(:email) form_field(:phone) } form_column { form_field(:street) form_field(:city) form_field(:state_or_province, editor: :combo, editor_args: :read_only, property: :selection) form_field(:zip_or_postal_code) form_field(:country, editor: :combo, editor_args: :read_only, property: :selection) } composite { # having a composite ensures padding around button layout_data { horizontal_span 2 horizontal_alignment :fill grab_excess_horizontal_space true } grid_layout { margin_height 0 } button { layout_data { horizontal_alignment :fill grab_excess_horizontal_space true } text 'Save Contact' on_widget_selected do save_contact end } } } } def form_column(&content) composite { |the_composite| layout_data { horizontal_alignment :fill vertical_alignment :fill grab_excess_horizontal_space true grab_excess_vertical_space true } grid_layout { num_columns 2 make_columns_equal_width false } content.call(the_composite) } end def form_field(field, editor: :text, editor_args: [], property: :text) @form_field_labels ||= {} @form_field_labels[field] = label { layout_data { width_hint 120 } text field.to_s.gsub('_', ' ').titlecase } @form_field_texts ||= {} @form_field_texts[field] = send(editor, *editor_args) { layout_data { width_hint 150 horizontal_alignment :fill grab_excess_horizontal_space true } # use nested data-binding to monitor change of contact # in addition to contact field send(property) <=> [contact_presenter, "current_contact.#{field}"] on_key_pressed do |event| save_contact if event.keyCode == swt(:cr) end } end def save_contact if contact_presenter.save_current_contact reset_validations else show_validations end end def reset_validations contact_presenter.current_contact.attributes.keys.each do |attribute_name| @form_field_labels[attribute_name.to_sym]&.foreground = :black @form_field_labels[attribute_name.to_sym]&.tool_tip_text = nil end focus_first_field end def show_validations contact_presenter.current_contact.errors.errors.each do |error| @form_field_labels[error.attribute].foreground = :red @form_field_labels[error.attribute].tool_tip_text = error.full_message end end def focus_first_field @form_field_texts[:first_name].set_focus end end end end 

class ContactManager module View class ContactTable include Glimmer::UI::CustomWidget options :contact_presenter, :reset_validations_action body { composite { grid_layout { margin_height 0 } text(:search) { layout_data { horizontal_alignment :fill grab_excess_horizontal_space true } text <=> [contact_presenter, :query] } table { layout_data { height_hint 250 horizontal_alignment :fill grab_excess_horizontal_space true vertical_alignment :fill grab_excess_vertical_space true } table_column { text 'First Name' width 120 } table_column { text 'Last Name' width 120 } table_column { text 'Email' width 180 } table_column { text 'Phone' width 120 } table_column { text 'Address' width 320 } # Ensure converting to Array on read because contacts is an ActiveRecord collection, # but an Array object is required by Glimmer DSL for SWT table data-binding logic items <=> [contact_presenter, :contacts, on_read: :to_a, column_properties: [:first_name, :last_name, :email, :phone, :address]] selection <=> [contact_presenter, :current_contact, after_write: reset_validations_action] menu { menu_item { text '&Delete...' on_widget_selected do result = message_box(:yes, :no) { text 'Delete' message 'Are you sure you want to delete the selected contact?' }.open contact_presenter.destroy_current_contact if result == swt(:yes) end } } } } } end end end 

class ContactManager module View class ContactManagerMenuBar include Glimmer::UI::CustomWidget ACCELERATOR_KEY = OS.mac? ? :command : :ctrl options :contact_presenter, :about_action, :save_contact_action, :reset_validations_action body { menu_bar { menu { text '&Contact' menu_item { text '&New' accelerator ACCELERATOR_KEY, :n on_widget_selected do contact_presenter.renew_current_contact reset_validations_action.call end } menu_item { text '&Save' accelerator ACCELERATOR_KEY, :s on_widget_selected do save_contact_action.call end } menu_item { text '&Delete...' accelerator ACCELERATOR_KEY, :d on_widget_selected do result = message_box(:yes, :no) { text 'Delete' message 'Are you sure you want to delete the selected contact?' }.open contact_presenter.destroy_current_contact if result == swt(:yes) end } menu_item { text 'Dele&te All...' on_widget_selected do result = message_box(:yes, :no) { text 'Delete All' message 'Are you sure you want to delete all your contacts?' }.open contact_presenter.destroy_all_contacts if result == swt(:yes) end } } menu { text '&Help' menu_item { text '&About...' on_widget_selected do about_action.call end } } } } end end end 

require 'contact_manager/model/contact_presenter' require 'contact_manager/view/contact_manager_menu_bar' require 'contact_manager/view/contact_form' require 'contact_manager/view/contact_table' class ContactManager module View class AppView include Glimmer::UI::Application before_body do @contact_presenter = ContactPresenter.new @display = display { on_about do display_about_dialog end on_preferences do display_about_dialog end } end body { shell { grid_layout image File.join(APP_ROOT, 'icons', 'windows', "Contact Manager.ico") if OS.windows? image File.join(APP_ROOT, 'icons', 'linux', "Contact Manager.png") unless OS.windows? text "Contact Manager" @contact_form = contact_form(contact_presenter: @contact_presenter) { layout_data { horizontal_alignment :fill grab_excess_horizontal_space true } } contact_table( contact_presenter: @contact_presenter, reset_validations_action: @contact_form.method(:reset_validations), ) { layout_data { horizontal_alignment :fill grab_excess_horizontal_space true vertical_alignment :fill grab_excess_vertical_space true } } contact_manager_menu_bar( contact_presenter: @contact_presenter, about_action: method(:display_about_dialog), save_contact_action: @contact_form.method(:save_contact), reset_validations_action: @contact_form.method(:reset_validations), ) } } def display_about_dialog message_box(body_root) { text 'About' message "Contact Manager #{VERSION}\n\n#{LICENSE}" }.open end end end end 

$LOAD_PATH.unshift(File.expand_path('..', __FILE__)) $LOAD_PATH.unshift(File.expand_path('../..', __FILE__)) begin require 'bundler/setup' Bundler.require(:default) rescue # this runs when packaged as a gem (no bundler) require 'glimmer-dsl-swt' # add more gems if needed require 'active_record' require 'activerecord-jdbcsqlite3-adapter' end class ContactManager include Glimmer APP_ROOT = File.expand_path('../..', __FILE__) VERSION = File.read(File.join(APP_ROOT, 'VERSION')) LICENSE = File.read(File.join(APP_ROOT, 'LICENSE.txt')) Display.app_name = 'Contact Manager' Display.app_version = ContactManager::VERSION end require 'contact_manager/view/app_view' 

glimmer run 

./bin/contact_manager 

glimmer "package[dmg]" 

glimmer "package[msi]" 

glimmer "package[deb]" 

glimmer "package[rpm]"