99 lines
2.5 KiB
Ruby
99 lines
2.5 KiB
Ruby
module Merged
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# base class for viewable elements: ie page, section and casrd
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# they share the template idea, options , change tracking,
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# and the fact that they persist in ActiveYaml
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class ViewBase < ActiveBase
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set_root_path Rails.root.join(Merged.data_dir)
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include ActiveHash::Associations
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belongs_to :image , class_name: "Merged::Image"
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fields :options
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def last_update_for(elements)
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last = Time.now
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last_section = nil
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elements.each do |section|
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if( section.updated_at < last )
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last = section.updated_at
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last_section = section
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end
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end
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last_section
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end
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def has_option?(option)
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options.has_key?(option) and !options[option].blank?
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end
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def option_definitions
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template_style.options_definitions
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end
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def option(name)
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options[name]
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end
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def options
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return attributes[:options] unless attributes[:options].blank?
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attributes[:options] = {}
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end
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def set_option( option , value)
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if( option.ends_with?"_date" )
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puts "date is #{value}"
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year = value[:year] || Time.new.year
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value = Time.new( year.to_i , value[:month] , value[:day]).to_date
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end
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options[option] = value
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end
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def add_default_options( definitions = nil )
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definitions = option_definitions if definitions.nil?
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definitions.each do |option|
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next unless option.default
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set_option( option.name , option.default)
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end
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end
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def update(hash)
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return unless hash
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hash.each do |key , value|
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value = value.to_i if key.to_s.include?("_id")
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key = key.to_sym
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raise "unsuported field #{key} for #{template}:#{allowed_fields}" unless allowed_fields.include?(key)
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if(! attributes[key].nil? ) # first setting ok, types not (yet?) specified
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if( @attributes[key].class != value.class )
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raise "Type mismatch #{key} #{@attributes[key].class}!=#{value.class}"
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end
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end
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attributes[key] = value
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end
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end
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def update_options( options )
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return unless options
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option_definitions.each do |option|
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set_option(option.name, options[option.name])
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end
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end
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#other may be nil
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def swap_index_with(other)
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return unless other
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old_index = self.index
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self.index = other.index
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other.index = old_index
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end
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def allowed_fields
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template_style.fields.collect{|f| f.to_sym}
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end
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def image_old
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Image.find_by_name(self.image_name)
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end
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end
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end
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