Module: Cms::Behaviors::InstanceMethods

Defined in:
lib/cms/behaviors/rendering.rb

Instance Method Summary collapse

Instance Method Details

#perform_render(controller) ⇒ Object 



99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
 
# File 'lib/cms/behaviors/rendering.rb', line 99

def perform_render(controller)
  return "Exception: #{@render_exception}" if @render_exception


  unless @controller
    # We haven't prepared to render. This should only happen when logged in, as we don't want
    # errors to bubble up and prevent the page being edited in that case.
    prepare_to_render(controller)
  end

  if self.respond_to?(:deleted) && self.deleted
    logger.error "Attempting to render deleted object: #{self.inspect}"
    msg = (@mode == 'edit' ?  %Q[<div class="error">#{I18n.t("behaviors.rendering.deleted", :class_name => self.class.name)}</div>] : '')
    return msg
  end

  # Create, Instantiate and Initialize the view
  view_class  = Class.new(ActionView::Base)      
  action_view = view_class.new(@controller.view_paths, {}, @controller)
    
  # Make helpers and instance vars available
  view_class.send(:include, @controller.class.master_helper_module)
  if $:.detect{|d| File.exists?(File.join(d, self.class.helper_path))}
    view_class.send(:include, self.class.helper_class)
  end
  
  # We want content_for to be called on the controller's view, not this inner view
  def action_view.content_for(name, content=nil, &block)
    @controller.instance_variable_get("@template").content_for(name, content, &block)
  end
  
  # Copy instance variables from this renderable object to it's view
  action_view.assigns = assigns_for_view
    
  if respond_to?(:inline_options) && self.inline_options && self.inline_options.has_key?(:inline)
    options = {:locals => {}}.merge(self.inline_options)
    ActionView::InlineTemplate.new(options[:inline], options[:type]).render(action_view, options[:locals])
  else
    action_view.render(:file => self.class.template_path)
  end
end

#prepare_to_render(controller) ⇒ Object 



84
85
86
87
88
89
90
91
92
93
94
95
96
97
 
# File 'lib/cms/behaviors/rendering.rb', line 84

def prepare_to_render(controller)
  # Give this renderable a reference to the controller
  @controller = controller

  copy_instance_variables_from_controller!

  # This gives the view a reference to this object
  instance_variable_set(self.class.instance_variable_name_for_view, self)
    
  # This is like a controller action
  # We will call it if you have defined a render method
  # but if you haven't we won't
  render if respond_to?(:render)
end

#render_exception=(exception) ⇒ Object 



141
142
143
 
# File 'lib/cms/behaviors/rendering.rb', line 141

def render_exception=(exception)
  @render_exception = exception
end