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module Alchemy
module Page::Cells
extend ActiveSupport::Concern
included do
has_many :cells, :dependent => :destroy
after_create :create_cells, :if => :can_have_cells?, :unless => :systempage?
end
module ClassMethods
# Copy page cells
#
# @param source [Alchemy::Page]
# @param target [Alchemy::Page]
# @return [Array]
#
def copy_cells(source, target)
new_cells = []
source.cells.each do |cell|
new_cells << Cell.create(:name => cell.name, :page_id => target.id)
end
new_cells
end
end
# Returns true, if the page's page_layout defines cells.
def can_have_cells?
definition['cells'].present?
end
# Returns true, if the page has cells.
def has_cells?
cells.any?
end
# Returns the cell definitions from page's page_layout defintion.
def cell_definitions
cell_names = self.layout_description['cells']
return [] if cell_names.blank?
Cell.all_definitions_for(cell_names)
end
# Returns elements grouped by cell.
def elements_grouped_by_cells
elements.not_trashed.in_cell.group_by(&:cell)
end
# Returns element names from cell definition.
def element_names_from_cells
cell_definitions.collect { |c| c['elements'] }.flatten.uniq
end
# Returns element names that are not defined in a cell.
def element_names_not_in_cell
layout_description['elements'].uniq - element_names_from_cells
end
private
# Creates cells that are defined in page's page_layout definition.
def create_cells
definition['cells'].each do |cellname|
cells.create!(:name => cellname)
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems