2007-01-22 14:43:50 +01:00
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class ScaffoldingSandbox
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include ActionView::Helpers::ActiveRecordHelper
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attr_accessor :form_action, :singular_name, :suffix, :model_instance
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def sandbox_binding
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binding
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end
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def default_input_block
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Proc.new { |record, column| "<p><label for=\"#{record}_#{column.name}\">#{column.human_name}</label><br/>\n#{input(record, column.name)}</p>\n" }
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end
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end
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class ActionView::Helpers::InstanceTag
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def to_input_field_tag(field_type, options={})
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field_meth = "#{field_type}_field"
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"<%= #{field_meth} '#{@object_name}', '#{@method_name}' #{options.empty? ? '' : ', '+options.inspect} %>"
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end
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def to_text_area_tag(options = {})
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"<%= text_area '#{@object_name}', '#{@method_name}' #{options.empty? ? '' : ', '+ options.inspect} %>"
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end
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def to_date_select_tag(options = {})
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"<%= date_select '#{@object_name}', '#{@method_name}' #{options.empty? ? '' : ', '+ options.inspect} %>"
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end
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def to_datetime_select_tag(options = {})
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"<%= datetime_select '#{@object_name}', '#{@method_name}' #{options.empty? ? '' : ', '+ options.inspect} %>"
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end
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2007-02-09 09:04:31 +01:00
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def to_time_select_tag(options = {})
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"<%= time_select '#{@object_name}', '#{@method_name}' #{options.empty? ? '' : ', '+ options.inspect} %>"
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end
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2007-01-22 14:43:50 +01:00
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end
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class ScaffoldGenerator < Rails::Generator::NamedBase
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attr_reader :controller_name,
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:controller_class_path,
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:controller_file_path,
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:controller_class_nesting,
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:controller_class_nesting_depth,
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:controller_class_name,
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:controller_singular_name,
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:controller_plural_name
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alias_method :controller_file_name, :controller_singular_name
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alias_method :controller_table_name, :controller_plural_name
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def initialize(runtime_args, runtime_options = {})
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super
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# Take controller name from the next argument. Default to the pluralized model name.
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@controller_name = args.shift
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@controller_name ||= ActiveRecord::Base.pluralize_table_names ? @name.pluralize : @name
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base_name, @controller_class_path, @controller_file_path, @controller_class_nesting, @controller_class_nesting_depth = extract_modules(@controller_name)
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@controller_class_name_without_nesting, @controller_singular_name, @controller_plural_name = inflect_names(base_name)
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if @controller_class_nesting.empty?
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@controller_class_name = @controller_class_name_without_nesting
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else
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@controller_class_name = "#{@controller_class_nesting}::#{@controller_class_name_without_nesting}"
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end
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end
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def manifest
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record do |m|
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# Check for class naming collisions.
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m.class_collisions controller_class_path, "#{controller_class_name}Controller", "#{controller_class_name}ControllerTest", "#{controller_class_name}Helper"
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# Controller, helper, views, and test directories.
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m.directory File.join('app/controllers', controller_class_path)
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m.directory File.join('app/helpers', controller_class_path)
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m.directory File.join('app/views', controller_class_path, controller_file_name)
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2007-02-09 09:04:31 +01:00
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m.directory File.join('app/views/layouts', controller_class_path)
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2007-01-22 14:43:50 +01:00
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m.directory File.join('test/functional', controller_class_path)
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# Depend on model generator but skip if the model exists.
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m.dependency 'model', [singular_name], :collision => :skip, :skip_migration => true
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# Scaffolded forms.
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m.complex_template "form.rhtml",
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File.join('app/views',
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controller_class_path,
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controller_file_name,
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"_form.rhtml"),
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:insert => 'form_scaffolding.rhtml',
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:sandbox => lambda { create_sandbox },
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:begin_mark => 'form',
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:end_mark => 'eoform',
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:mark_id => singular_name
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# Scaffolded views.
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scaffold_views.each do |action|
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m.template "view_#{action}.rhtml",
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File.join('app/views',
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controller_class_path,
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controller_file_name,
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"#{action}.rhtml"),
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:assigns => { :action => action }
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end
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# Controller class, functional test, helper, and views.
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m.template 'controller.rb',
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File.join('app/controllers',
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controller_class_path,
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"#{controller_file_name}_controller.rb")
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m.template 'functional_test.rb',
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File.join('test/functional',
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controller_class_path,
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"#{controller_file_name}_controller_test.rb")
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m.template 'helper.rb',
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File.join('app/helpers',
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controller_class_path,
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"#{controller_file_name}_helper.rb")
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# Layout and stylesheet.
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2007-02-09 09:04:31 +01:00
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m.template 'layout.rhtml',
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File.join('app/views/layouts',
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controller_class_path,
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"#{controller_file_name}.rhtml")
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2007-01-22 14:43:50 +01:00
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m.template 'style.css', 'public/stylesheets/scaffold.css'
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# Unscaffolded views.
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unscaffolded_actions.each do |action|
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path = File.join('app/views',
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controller_class_path,
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controller_file_name,
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"#{action}.rhtml")
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m.template "controller:view.rhtml", path,
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:assigns => { :action => action, :path => path}
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end
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end
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end
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protected
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# Override with your own usage banner.
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def banner
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"Usage: #{$0} scaffold ModelName [ControllerName] [action, ...]"
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end
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def scaffold_views
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%w(list show new edit)
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end
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def scaffold_actions
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scaffold_views + %w(index create update destroy)
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end
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def model_name
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class_name.demodulize
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end
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def unscaffolded_actions
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args - scaffold_actions
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end
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def suffix
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"_#{singular_name}" if options[:suffix]
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end
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def create_sandbox
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sandbox = ScaffoldingSandbox.new
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sandbox.singular_name = singular_name
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begin
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sandbox.model_instance = model_instance
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sandbox.instance_variable_set("@#{singular_name}", sandbox.model_instance)
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rescue ActiveRecord::StatementInvalid => e
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2007-10-15 19:16:54 +02:00
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logger.error "Before updating scaffolding from new DB schema, try creating a table for your model (#{class_name}) named #{class_name.tableize}."
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2007-01-22 14:43:50 +01:00
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raise SystemExit
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end
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sandbox.suffix = suffix
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sandbox
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end
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def model_instance
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base = class_nesting.split('::').inject(Object) do |base, nested|
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break base.const_get(nested) if base.const_defined?(nested)
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base.const_set(nested, Module.new)
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end
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unless base.const_defined?(@class_name_without_nesting)
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base.const_set(@class_name_without_nesting, Class.new(ActiveRecord::Base))
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end
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class_name.constantize.new
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end
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end
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