Module: ProMotion::DataTable

Includes:
Styling, Table, Table::Indexable, Table::Longpressable, Table::Refreshable, Table::Searchable, Table::Utils, TableBuilder, TableDataBuilder, TableClassMethods
Included in:
DataTableScreen
Defined in:
lib/project/pro_motion/data_table.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Table::Searchable

#dt_searchDisplayController, #dt_searchDisplayControllerWillBeginSearch, #dt_searchDisplayControllerWillEndSearch, #make_data_table_searchable, #new_frc_with_search, #reset_search_frc, #search_delegate, #search_fetch_controller

Methods included from Table

#set_up_searchable

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 134

def self.included(base)
  base.extend(TableClassMethods)
end

Instance Method Details

#cell_at(args = {}) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 104

def cell_at(args = {})
  index_path = args.is_a?(Hash) ? args[:index_path] : args
  c = object_at_index(index_path).cell
  set_data_cell_defaults(c)
end

#controller(controller, didChangeObject: task, atIndexPath: index_path, forChangeType: change_type, newIndexPath: new_index_path) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 179

def controller(controller, didChangeObject: task, atIndexPath: index_path, forChangeType: change_type, newIndexPath: new_index_path)
  unless searching?
    case change_type
    when NSFetchedResultsChangeInsert
      table_view.insertRowsAtIndexPaths([new_index_path], withRowAnimation: UITableViewRowAnimationAutomatic)
    when NSFetchedResultsChangeDelete
      table_view.deleteRowsAtIndexPaths([index_path], withRowAnimation: UITableViewRowAnimationAutomatic)
    when NSFetchedResultsChangeUpdate
      table_view.reloadRowsAtIndexPaths([index_path], withRowAnimation: UITableViewRowAnimationAutomatic)
    end
  end
end

#controllerDidChangeContent(controller) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 192

def controllerDidChangeContent(controller)
  table_view.endUpdates unless searching?
end

#controllerWillChangeContent(controller) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 171

def controllerWillChangeContent(controller)
  # TODO - we should update the search results table when a new record is added
  # or deleted or changed. For now, when the data changes, the search doesn't
  # update. Closing the search will update the data and then searching again
  # will show the new or changed content.
  table_view.beginUpdates unless searching?
end

#data_model ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 114

def data_model
  self.class.data_model
end

#data_scope ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 118

def data_scope
  self.class.data_scope
end

#fetch_controller ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 86

def fetch_controller
  if searching?
    search_fetch_controller
  else
    @fetch_controller ||= NSFetchedResultsController.alloc.initWithFetchRequest(
      fetch_scope.fetch_request,
      managedObjectContext: fetch_scope.context,
      sectionNameKeyPath: nil,
      cacheName: nil
    )
  end
end

#fetch_scope ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 54

def fetch_scope
  @_fetch_scope ||= begin
    if respond_to?(:model_query)
      data_with_scope = model_query
    else
      data_with_scope = data_model.send(data_scope)
    end

    if data_with_scope.sort_descriptors.blank?
      # Try to be smart about how we sort things if a sort descriptor doesn't exist
      attributes = data_model.send(:attribute_names)
      sort_attribute = nil
      [:updated_at, :created_at, :id].each do |att|
        sort_attribute ||= att if attributes.include?(att.to_s)
      end

      if sort_attribute

        unless data_scope == :all
          mp "The `#{data_model}` model scope `#{data_scope}` needs a sort descriptor. Add sort_by(:property) to your scope. Currently sorting by :#{sort_attribute}.", force_color: :yellow
        end
        data_model.send(data_scope).sort_by(sort_attribute)
      else
        # This is where the application says goodbye and dies in a fiery crash.
        mp "The `#{data_model}` model scope `#{data_scope}` needs a sort descriptor. Add sort_by(:property) to your scope.", force_color: :yellow
      end
    else
      data_with_scope
    end
  end
end

#numberOfSectionsInTableView(_) ⇒ Object

UITableViewDelegate methods



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# File 'lib/project/pro_motion/data_table.rb', line 139

def numberOfSectionsInTableView(_)
  fetch_controller.sections.count
end

#object_at_index(i) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 110

def object_at_index(i)
  fetch_controller.objectAtIndexPath(i)
end

#on_cell_created(cell, data) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 99

def on_cell_created(cell, data)
  # Do not call super here
  self.rmq.build(cell)
end

#original_search_string ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 130

def original_search_string
  search_string
end

#screen_setup ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 25

def screen_setup
  set_up_fetch_controller

  set_up_header_footer_views
  set_up_searchable
  set_up_refreshable
  set_up_longpressable
  set_up_row_height
end

#search_string ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 126

def search_string
  @_data_table_search_string
end

#searching? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/project/pro_motion/data_table.rb', line 122

def searching?
  @_data_table_searching || false
end

#set_up_fetch_controller ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 35

def set_up_fetch_controller
  error_ptr = Pointer.new(:object)
  fetch_controller.delegate = self

  unless fetch_controller.performFetch(error_ptr)
    raise "Error performing fetch: #{error_ptr[2].description}"
  end
end

#table_data ⇒ Object

This has to be defined in order to inherit everything from TableScreen



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# File 'lib/project/pro_motion/data_table.rb', line 21

def table_data
  [{cells:[]}]
end

#table_view ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 16

def table_view
  self.view
end

#tableView(table_view, heightForRowAtIndexPath: index_path) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 143

def tableView(table_view, numberOfRowsInSection: section)
  fetch_controller.sections[section].numberOfObjects
end

#update_table_data(notification = nil) ⇒ Object 



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# File 'lib/project/pro_motion/data_table.rb', line 44

def update_table_data(notification = nil)
  if notification.nil?
    table_view.reloadData
  else
    Dispatch::Queue.main.async do
      fetch_controller.managedObjectContext.mergeChangesFromContextDidSaveNotification(notification)
    end
  end
end