Module: HasTemplates

Included in:
GeoEngineer::Environment, GeoEngineer::Project
Defined in:
lib/geoengineer/utils/has_templates.rb

Overview

HasTemplates provides methods for a class to contain and query a set of templates

Instance Method Summary collapse

Instance Method Details

#all_template_resources ⇒ Object 



28
29
30
 
# File 'lib/geoengineer/utils/has_templates.rb', line 28

def all_template_resources
  templates.values.map(&:all_resources).flatten
end

#find_template(type) ⇒ Object

Templating Methods



10
11
12
13
14
15
16
17
18
 
# File 'lib/geoengineer/utils/has_templates.rb', line 10

def find_template(type)
  clazz_name = type.split('_').collect(&:capitalize).join
  return Object.const_get(clazz_name) if Object.const_defined? clazz_name

  module_clazz = "GeoEngineer::Templates::#{clazz_name}"
  return Object.const_get(module_clazz) if Object.const_defined? module_clazz

  throw "undefined template '#{type}' for '#{clazz_name}' or '#{module_clazz}'"
end

#from_template(type, name, parameters = {}, &block) ⇒ Object 



20
21
22
23
24
25
26
 
# File 'lib/geoengineer/utils/has_templates.rb', line 20

def from_template(type, name, parameters = {}, &block)
  throw "Template '#{name}' already defined" if templates[name]
  clazz = find_template(type)
  template = clazz.new(name, self, parameters)
  template.instance_exec(*template.template_resources, &block) if block_given?
  templates[name] = template
end

#templates ⇒ Object 



5
6
7
 
# File 'lib/geoengineer/utils/has_templates.rb', line 5

def templates
  @_templates ||= {}
end