Class: Doozer::MailerPartial

Inherits:
Object
  • Object
show all
Includes:
Util::Logger, ViewHelpers, ERB::Util
Defined in:
lib/doozer/mailer_partial.rb

Overview

The MailerPartial is really similar to Doozer::Partial.

Constant Summary collapse

@@partials = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from ViewHelpers

#alink, #app_name, #app_path, #aurl, #authtoken, #base_url, #feed, #h, #hash_to_props, #hash_to_qs, #img, #ip, #javascript, #link, #metatags, #path, #rack_env, #server_name, #session?, #static_url, #stylesheet, #title, #url

Methods included from Util::Logger

#logger

Constructor Details

#initialize(erb, locals) ⇒ MailerPartial

Returns a new instance of MailerPartial.



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# File 'lib/doozer/mailer_partial.rb', line 12

def initialize(erb, locals)
  @erb = erb
  if locals.kind_of? Hash
    locals.each_pair {|key, value| 
      #p "#{key}:#{value}"
      self.instance_variable_set("@#{key}".to_sym, value) # :@a, value
    }
  end
end

Instance Attribute Details

#erb ⇒ Object

Returns the value of attribute erb.



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# File 'lib/doozer/mailer_partial.rb', line 4

def erb
  @erb
end

Class Method Details

.clear_loaded_partials ⇒ Object

Class methods for clearing all cached partials. Mainly a dispatcher for the file watcher to pick up new changes without having to restart the appserver in development mode.



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# File 'lib/doozer/mailer_partial.rb', line 64

def self.clear_loaded_partials
  @@partials = {}
end

.include_view_helper(helper) ⇒ Object

Class method for including a view helper.



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# File 'lib/doozer/mailer_partial.rb', line 69

def self.include_view_helper(helper)
  m = Doozer::Lib.classify(helper) 
  include Object.const_get(m)
end

.load_partial(name) ⇒ Object

Load and cache partial ERB template with the given file_name.



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# File 'lib/doozer/mailer_partial.rb', line 51

def self.load_partial(name)
  
  file = File.join(Doozer::Configs.app_path,"app/views/#{name}.html.erb")
  results = []
  begin
    File.new(file, "r").each { |line| results << line }
    @@partials[name] = ERB.new(results.join(""))
  rescue
    puts "ERROR => sorry couldn't load partial #{name} (#{file})"
  end
end

.partial(file = nil, locals = {}) ⇒ Object

This class method lazy loads and caches the erb templates of the requested partials



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# File 'lib/doozer/mailer_partial.rb', line 27

def self.partial(file=nil, locals={})
  #p "Class method: Doozer::Partial#partial"
  dir = locals[:view_dir]
  if file.index("/").nil?
    name = "#{dir}/_#{file}" 
  else
    name = "#{file.gsub(/\//,'/_')}"
  end
  load_partial(name) if  @@partials[name].nil?
  erb = @@partials[name]
  if erb
      partial = Doozer::MailerPartial.new(erb, locals)
      partial.bind()
  else
    puts "ERROR => no partial exists for #{file}\n"
  end
end

Instance Method Details

#bind ⇒ Object 



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# File 'lib/doozer/mailer_partial.rb', line 22

def bind
  @erb.result(binding)
end

#partial(file = nil, locals = {}) ⇒ Object 



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# File 'lib/doozer/mailer_partial.rb', line 45

def partial(file=nil, locals={})
  locals[:view_dir] = @view_dir if not @view_dir.nil?
  Doozer::MailerPartial.partial(file, locals)
end