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Contents
module Alchemy
class EssencePicture < ActiveRecord::Base
attr_accessible(
:caption,
:title,
:alt_tag,
:link,
:link_class_name,
:link_title,
:css_class,
:link_target,
:crop_from,
:crop_size,
:render_size,
:picture_id
)
acts_as_essence ingredient_column: 'picture'
belongs_to :picture
before_save :fix_crop_values
before_save :replace_newlines
def preview_text(max=30)
return "" if picture.nil?
picture.name.to_s[0..max-1]
end
# Returns a hash suitable for the js image cropper.
#
def cropping_mask
crop_from = self.crop_from.split('x')
crop_size = self.crop_size.split('x')
{
x1: crop_from[0].to_i,
y1: crop_from[1].to_i,
x2: crop_from[0].to_i + crop_size[0].to_i,
y2: crop_from[1].to_i + crop_size[1].to_i
}
end
private
def fix_crop_values
%w(crop_from crop_size).each do |crop_value|
write_attribute crop_value, normalize_crop_value(crop_value)
end
end
def normalize_crop_value(crop_value)
self.send(crop_value).to_s.split('x').map { |n| normalize_number(n) }.join('x')
end
def normalize_number(number)
number = number.to_f.round
number < 0 ? 0 : number
end
def replace_newlines
return nil if caption.nil?
caption.gsub!(/(\r\n|\r|\n)/, "<br/>")
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems