[pettanr/pettanr.git] / lib / manifest / filer.rb

module Pettanr
  class FilerManager
    class Symbol 
      def initialize symbol_conf
        @symbol_conf = symbol_conf || {}
        @link_conf = @symbol_conf['link'] || {'type' => 'action', 'name' => 'show'}
        @type_conf = @symbol_conf['type'] || 'image'
        @link_method_name = self.link_method_name
        @tag_method_name = self.tag_method_name
      end
      
      def link_method_name
        case @link_conf['type']
        when 'action'
          case @link_conf['name']
          when 'show'
            :link_action_show
          else
            :link_action_else
          end
        when 'none'
          :link_none
        when 'url_column'
          :link_url_column
        else
          :link_else
        end
      end
      
      def tag_method_name
        tag = case @type_conf
        when 'image'
          :tag_image
        when 'picture'
          :tag_picture
        when 'template'
          :tag_template
        else
          :tag_else
        end
      end
      
      def link_action_show view, item, operators
        view.polymorphic_path(item)
      end
      
      def link_action_else view, item, operators
        view.polymorphic_path(item, :action => @link_conf['name'])
      end
      
      def link_none view, item, operators
        ''
      end
      
      def link_url_column view, item, operators
        item.__send__(@link_conf['name']).to_s
      end
      
      def link_else view, item, operators
        ''
      end
      
      def tag_image view, item, operators
        view.tag(:img, :src => @symbol_conf['name'], :width => 64, :height => 64)
      end
      
      def tag_picture view, item, operators
        view.tag(:img, item.__send__(@symbol_conf['name']))
      end
      
      def tag_template view, item, operators
        view.render item.path_name + '/' + @symbol_conf['name'], :item => item
        nil
      end
      
      def tag_else view, item, operators
        'no.png'
      end
      
      def render view, item, operators
        link = self.__send__(@link_method_name, view, item, operators)
        tag = self.__send__(@tag_method_name, view, item, operators)
        unless tag.blank?
          link_to_unless link.blank?, tag, link
        end
      end
      
      
    end
    
    class Caption
      def initialize caption_conf
        @caption_conf = caption_conf || {}
        @link_conf = @caption_conf['link'] || {'type' => 'action', 'name' => 'show'}
        @type_conf = @caption_conf['type'] || 'column'
        @link_method_name = self.link_method_name
        @tag_method_name = self.tag_method_name
      end
      
      def link_method_name
        case @link_conf['type']
        when 'action'
          case @link_conf['name']
          when 'show'
            :link_action_show
          else
            :link_action_else
          end
        when 'none'
          :link_none
        when 'url_column'
          :link_url_column
        else
          :link_else
        end
      end
      
      def tag_method_name
        tag = case @type_conf
        when 'column'
          :tag_column
        when 'method'
          :tag_method
        else
          :tag_else
        end
      end
      
      def link_action_show view, item, operators
        view.polymorphic_path(item)
      end
      
      def link_action_else view, item, operators
        view.polymorphic_path(item, :action => @link_conf['name'])
      end
      
      def link_none view, item, operators
        ''
      end
      
      def link_url_column view, item, operators
        item.__send__(@link_conf['name']).to_s
      end
      
      def link_else view, item, operators
        ''
      end
      
      def tag_column view, item, operators
        item.attributes[caption['name']]
      end
      
      def tag_method view, item, operators
        item.__send__(caption['name']).to_s
      end
      
      def tag_else view, item, operators
        'no caption'
      end
      
      def render view, item, operators
        unless caption_type == 'none'
          link = self.__send__(@link_method_name, view, item, operators)
          tag = self.__send__(@tag_method_name, view, item, operators)
          tag = 'no caption' if tag.blank? 
          unless tag.blank?
            link_to_unless link.blank?, tag, link
          end
        end
      end
      
    end
    
    class Summary
      def initialize summary_conf
        @summary_conf = summary_conf || {}
        @type_conf = @summary_conf['type'] || 'none'
        @type_method = self.type_method
      end
      
      def type_method
        case @type_conf
        when 'none'
          :type_none
        when 'template'
          :type_template
        else
          :type_none
        end
      end
      
      def type_none view, item, operators
        ''
      end
      
      def type_template view, item, operators
        view.render item.path_name + '/' + @summary_conf['name'], :item => item
      end
      
      def render view, item, operators
        self.__send__(@type_method, view, item)
      end
      
    end
    
    class Icon
      def initialize icon_conf
        @icon_conf = icon_conf || {}
      end
      
      def render view, item, operators
        view.link_to view.icon_tag(item.class.to_s, :object => item, :size => 64), 
          view.polymorphic_path(item, :format => :prof)
      end
      
    end
    
    class Date
      def initialize date_conf
        @date_conf = date_conf || {}
      end
      
      def render view, item, operators
        view.distance_of_time_in_words_to_now item.updated_at
      end
      
    end
    
    class Edit
      def initialize edit_conf
        @edit_conf = edit_conf || {}
        @type_conf = @edit_conf['type'] || 'default'
        @type_method = self.type_method
      end
      
      def type_method
        case @type_conf
        when 'default'
          :type_default
        when 'account'
          :type_account
        when 'template'
          :type_template
        when 'none'
          :type_none
        else
          :type_none
        end
      end
      
      def type_default view, item, operators
        if item.own? operators
          view.link_to tag(:img, :src => view.asset_path('edit.png'), :width => 32, :height => 32), 
            view.polymorphic_path(item, :action => :edit)
          view.link_to tag(:img, :src => view.asset_path('remove.png'), :width => 32, :height => 32), 
            item, confirm: 'Are you sure?', :method => :delete
        end
      end
      
      def type_account view, item, operators
        if item.own? operators
          view.link_to tag(:img, :src => view.asset_path('edit.png'), :width => 32, :height => 32), 
            '/home/configure'
        end
      end
      
      def type_template view, item, operators
        view.render item.path_name + '/' + @edit_conf['name'], :item => item
      end
      
      def type_none view, item, operators
        ''
      end
      
      def render view, item, operators
        self.__send__(@type_method, view, item, operators)
      end
      
    end
    
    class Filer
      class FileItem
        attr :item, :operators
        def initialize item, operators, symbol, caption, summary, icon, date, edit, manifest
          @item = item
          @manifest = manifest
          @operators = operators
          @symbol = symbol
          @caption = caption
          @summary = summary
          @icon = icon
          @date = date
          @edit = edit
        end
        
        def symbol view
          @symbol.render view, @item, @operators
        end
        
        def caption view
          @caption.render view, @item, @operators
        end
        
        def summary view
          @summary.render view, @item, @operators
        end
        
        def icon view
          @icon.render view, @item, @operators
        end
        
        def date view
          @date.render view, @item, @operators
        end
        
        def edit view
          @edit.render view, @item, @operators
        end
      
      end
      
      attr :items, :file_items, :operators
      def initialize items, operators, symbol, caption, summary, icon, date, edit, manifest
        @items = items
        @manifest = manifest
        @file_items = @items.map {|item| 
          FileItem.new item, operators, symbol, caption, summary, icon, date, edit, manifest
        }
      end
    end
    
    def initialize filer_manifest
      @filer_manifest = filer_manifest
      @item_name = @filer_manifest.item_name
      @manifest = @filer_manifest.manifest
      @filer_conf = @filer_manifest.conf
      @symbol = Symbol.new @filer_manifest.symbol
      @caption = Caption.new @filer_manifest.caption
      @summary = Summary.new @filer_manifest.summary
      @icon = Icon.new @filer_manifest.icon
      @date = Date.new @filer_manifest.date
      @edit = Edit.new @filer_manifest.edit
    end
    
    def open items, operators
      Filer.new items, operators, @symbol, @caption, @summary, @icon, @date, @edit, @manifest
    end
    
  end
end