Sha256: c8a6e353896aaaea9a3331b515c6a4159c807ddb555b5698540bf7a37518a20d
Contents?: true
Size: 1.15 KB
Versions: 14
Compression:
Stored size: 1.15 KB
Contents
class DataList
private_class_method :new
attr_accessor :selected_num, :objects
def initialize(*elems)
self.objects = elems
@listeners = []
end
def add_listener(listener)
@listeners << listener
end
def remove_listener(listener)
@listeners.delete(listener)
end
def notify
@listeners.each { |lst| lst.on_datalist_changed(data_table) }
end
def select_element(number)
self.selected_num = number < objects.size ? number : nil
end
def selected_id
objects[selected_num].id
end
def get_names
self.objects.first.instance_variables.map{|v| v.to_s[1..-1]}
end
def table_fields(_obj)
[]
end
def data_table
result = []
counter = 0
objects.each do |obj|
row = []
row << counter
row.push(*table_fields(obj))
result << row
counter += 1
end
DataTable.new(result)
end
def append(new_data)
self.objects.append(new_data)
end
def replace_objects(objects)
self.objects = objects.dup
notify
end
private
def instance_variables_wout_id(object)
object.instance_variables.reject{|v| v.to_sym ==:@id}.map{|v| object.instance_variable_get(v)}
end
end
Version data entries
14 entries across 14 versions & 5 rubygems