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module ActionController
class Base
protected
# Works like render, but instead of requiring a full template name, you can get by with specifying the action name. So calling
# <tt>render_action "show_many"</tt> in WeblogController#display will render "#{template_root}/weblog/show_many.rhtml" or
# "#{template_root}/weblog/show_many.rxml".
def render_action(action_name, status = nil)
render :action => action_name, :status => status
end
# Works like render, but disregards the template_root and requires a full path to the template that needs to be rendered. Can be
# used like <tt>render_file "/Users/david/Code/Ruby/template"</tt> to render "/Users/david/Code/Ruby/template.rhtml" or
# "/Users/david/Code/Ruby/template.rxml".
def render_file(template_path, status = nil, use_full_path = false)
render :file => template_path, :status => status, :use_full_path => use_full_path
end
# Renders the +template+ string, which is useful for rendering short templates you don't want to bother having a file for. So
# you'd call <tt>render_template "Hello, <%= @user.name %>"</tt> to greet the current user. Or if you want to render as Builder
# template, you could do <tt>render_template "xml.h1 @user.name", nil, "rxml"</tt>.
def render_template(template, status = nil, type = "rhtml")
render :inline => template, :status => status, :type => type
end
# Renders the +text+ string without parsing it through any template engine. Useful for rendering static information as it's
# considerably faster than rendering through the template engine.
# Use block for response body if provided (useful for deferred rendering or streaming output).
def render_text(text = nil, status = nil)
render :text => text, :status => status
end
# Renders an empty response that can be used when the request is only interested in triggering an effect. Do note that good
# HTTP manners mandate that you don't use GET requests to trigger data changes.
def render_nothing(status = nil)
render :nothing => true, :status => status
end
# Renders the partial specified by <tt>partial_path</tt>, which by default is the name of the action itself. Example:
#
# class WeblogController < ActionController::Base
# def show
# render_partial # renders "weblog/_show.r(xml|html)"
# end
# end
def render_partial(partial_path = default_template_name, object = nil, local_assigns = {})
render :partial => partial_path, :object => object, :locals => local_assigns
end
# Renders a collection of partials using <tt>partial_name</tt> to iterate over the +collection+.
def render_partial_collection(partial_name, collection, partial_spacer_template = nil, local_assigns = {})
render :partial => partial_name, :collection => collection, :spacer_template => partial_spacer_template, :locals => local_assigns
end
def render_with_layout(template_name = default_template_name, status = nil, layout = nil)
render :template => template_name, :status => status, :layout => layout
end
def render_without_layout(template_name = default_template_name, status = nil)
render :template => template_name, :status => status, :layout => false
end
# Deprecated in favor of calling redirect_to directly with the path.
def redirect_to_path(path)
redirect_to(path)
end
# Deprecated in favor of calling redirect_to directly with the url. If the resource has moved permanently, it's possible to pass
# true as the second parameter and the browser will get "301 Moved Permanently" instead of "302 Found". This can also be done through
# just setting the headers["Status"] to "301 Moved Permanently" before using the redirect_to.
def redirect_to_url(url, permanently = false)
headers["Status"] = "301 Moved Permanently" if permanently
redirect_to(url)
end
end
end
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