Class: ActionController::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/smklib/somekool_scaffold.rb

Class Method Summary collapse

Class Method Details

.somekool_scaffold(model, options = {}) ⇒ Object

def self.metaclass; class << self; self; end; end



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# File 'lib/smklib/somekool_scaffold.rb', line 60

def self.somekool_scaffold(model, options = {})
#raise Object.const_get(model.to_s.singularize.capitalize).inspect

  instance_eval do
    # required for in_place_editor_field

    include ActionView::Helpers::TagHelper
    include ActionView::Helpers::JavaScriptHelper
    include ActionView::Helpers::JavaScriptMacrosHelper

    # get model object

    model_sym = model.to_s.singularize
    object_model = Object.const_get(model_sym.capitalize)
    model_sym = model_sym.downcase.to_sym

    # call in_plate_edit_for all columns

    columns = object_model.content_columns.collect do |c|
      if options[:ignore_columns].include? c.name.to_sym
        nil
      else
        in_place_edit_for model_sym, c.name.to_sym
        c
      end
    end.compact
    options[:foreign_keys].each do |fk|
      in_place_edit_for model_sym, fk[:key].to_sym

      define_method("set_#{model_sym}_#{fk[:key]}".to_sym) do
        a = object_model.find(params[:id])
        a[fk[:key].to_sym] = params[:value]
        a.save
        render :text => (a[fk[:key].to_sym].nil? ? _('NULL') : "#{a[fk[:key].to_sym]} - #{fk[:model].find(a[fk[:key].to_sym]).to_s}".nbsp)
      end
    end

    # simple action index

    define_method(:index) do
      redirect_to :action => 'list'
    end

    # main action

    define_method(:list) do
      xml = Builder::XmlMarkup.new(:indent=>2)
      xml.a(:class => "#{model_sym}_add_link", :href => "/#{model_sym.to_s.pluralize}/add") do
        xml.img(:title => 'add_button', :alt => 'add_button', :border => 0, :src => '/smklib/images/add.png')
        xml << _('Add new %s') % model_sym.to_s
      end
      xml.table(:cellpadding => 0, :cellspacing => 0, :border => 0, :class => "somekool_scaffold list #{model} #{options[:css_class]}") do
        xml.tr do
          xml.th _('ID') unless options[:no_id]
          columns.each do |c|
            xml.th { xml << c.human_name.to_s.nbsp}
          end
          options[:foreign_keys].each do |fk|
            fk[:collection] = ([[nil, _('NULL')]] + fk[:model].find_all.collect { |item| [item.id, item.to_s] }).inspect.gsub(/nil/, 'null')
            xml.th fk[:title]
          end if options[:foreign_keys]
          xml.th { xml << _('Delete') } unless options[:no_delete]
        end
        object_model.find_all.each_with_index do |row, row_index|
          instance_variable_set("@#{model_sym}", row)
          xml.tr(:class => row_index % 2 == 0 ? 'even' : 'odd') do
            xml.td do
              xml << instance_variable_get("@#{model_sym}")[:id].to_s
            end unless options[:no_id]
            columns.each do |c|
              xml.td do
                #xml << row.send(c.name)

                instance_variable_get("@#{model_sym}")[c.name.to_sym] = " " if instance_variable_get("@#{model_sym}")[c.name.to_sym].to_s.empty?
                xml << in_place_editor_field(model_sym, c.name)
              end
            end
            options[:foreign_keys].each do |fk|
              begin
                front_val = "#{row[fk[:key]]} - #{fk[:model].find(row[fk[:key]]).to_s}".nbsp
              rescue
                front_val = _('NULL')
              end
              xml.td do
                xml << in_place_editor_dropdown(model_sym, fk[:key], {:front_val => front_val}, {:value => row[fk[:key]], :collection => fk[:collection]})
              end
              #xml.td fk[:model].find(:first, :conditions => ["#{fk[:key]} = ?", row[fk[:key]]]).inspect ## same

            end if options[:foreign_keys]
            xml.td do
              xml.a(:class => "#{model_sym}_delete_link", :href => "/#{model_sym.to_s.pluralize}/destroy/#{row.id}") do
                xml.img(:title => 'delete_button', :alt => 'delete_button', :border => 0, :src => '/smklib/images/trashcan_empty.png')
              end
            end unless options[:no_delete]
          end
        end
      end
      render :text => xml.target!, :layout => 'main'
    end
    define_method(:add) do
      xml = Builder::XmlMarkup.new(:indent=>2)
      xml.form(:action => "/#{model_sym.to_s.pluralize}/create") do
        xml.table(:cellpadding => 0, :cellspacing => 0, :border => 0, :class => "somekool_scaffold add #{model} #{options[:css_class]}") do
          columns.each do |c|
            xml.tr do
              xml.th { xml << c.human_name.to_s.nbsp}
              xml.td { xml.input(:type => 'text', :name => "#{model_sym}[#{c.name}]") }
            end
          end
          options[:foreign_keys].each do |fk|
            fk[:collection] = ([[nil, _('NULL')]] + fk[:model].find_all.collect { |item| [item.id, item.to_s] })
            xml.tr do
              xml.th fk[:title]
              xml.td do
                xml.select(:name => "#{model_sym}[#{fk[:key]}]") do
                  fk[:collection].each do |opt|
                    xml.option(:value => opt[0]) { xml << opt[1] }
                  end
                end
              end
            end
          end if options[:foreign_keys]
          xml.tr do
            xml.td(:colspan => 2) { xml.input(:type => 'submit', :value => _('Add'))}
          end
        end
      end
      render :text => xml.target!, :layout => 'main'
    end
    define_method(:create) do
      object_model.create(params[model_sym])
      flash[:notice] = _('New %s created') % model_sym.to_s
      redirect_to_path "/#{model_sym.to_s.pluralize}/list"
    end
    #define_method(:edit) do

    #end

    #define_method(:update) do

    #end

    define_method(:destroy) do
      object_model.find(params[:id]).destroy
      flash[:notice] = _('%s %s has been destroyed') % [model_sym.to_s, params[:id].to_s]
      redirect_to_path "/#{model_sym.to_s.pluralize}/list"
    end
  end
end