Module: SproutCore::ViewHelperSupport

Extended by:
Helpers::CaptureHelper, Helpers::TextHelper
Defined in:
lib/sproutcore/deprecated/view_helper.rb

Defined Under Namespace

Classes: HelperState, RenderContext

Constant Summary collapse

@@helpers = 
{}

Class Method Summary collapse

Class Method Details

.find_helper(helper_name) ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 87

def self.find_helper(helper_name)
  @@helpers[helper_name.to_sym] || @@helpers[:view]
end

.render_view(view_helper_id, item_id, opts = {}, client_builder = nil, render_source = nil, &block) ⇒ Object

:outlet => define if you want this to be used as an outlet. :prototype => define if you want this to be used as a prototype.



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 538

def self.render_view(view_helper_id, item_id, opts={}, client_builder=nil, render_source=nil, &block)

  # item_id is optional.  If it is not a symbol or string, then generate
  # an item_id
  if item_id.instance_of?(Hash)
    opts = item_id; item_id = nil
  end
  item_id = render_source.dom_id! if item_id.nil?

  # create the new render context and set it.
  client_builder = opts[:client] if opts[:client]
  rc = RenderContext.new(view_helper_id, item_id, opts, client_builder, render_source)
  hs = find_helper(view_helper_id)

  # render the inner_html using the block, if one is given.
  SproutCore::PageHelper.push_render_context(rc)
  rc.options[:inner_html] = render_source.capture(&block) if block_given?

  # now, use the helper state to prepare the render context.  This will
  # extract the properties from the options and setup the render procs.
  hs.prepare_context(rc) unless hs.nil?

  # now have the render context render the HTML content.  This may also
  # make changes to the other items to render.
  ret = rc.render_content

  SproutCore::PageHelper.pop_render_context

  # get the JS.  Save as an outlet or in the page.
  cur_rc = opts[:current_context] || SproutCore::PageHelper.current_render_context
  view_class = opts[:view] || rc.view_class

  unless view_class.nil?
    view_settings = { :id => item_id, :class => view_class, :properties => rc.render_view, :lazy => opts[:lazy], :outlet_path => opts[:outlet_path] }

    # if an outlet item is passed, then register this as an outlet.
    outlet = opts[:outlet]
    if outlet.nil?
      outlet = opts[:field].nil? ? !cur_rc.nil? : [opts[:field].to_s, 'field'].join('_').to_sym
    end
    define = opts[:define]
    if outlet && cur_rc
      outlet = item_id if outlet == true
      cur_rc.set_outlet(outlet, view_settings)

    elsif define
      define = define.to_s.camelize.gsub('::','.')
      SproutCore::PageHelper.set_define(define, view_settings)

    # otherwise, add it to the page-wide setting.
    else
      prop = item_id.to_s.camelize(:lower)
      SproutCore::PageHelper.set_outlet(prop, view_settings)
    end
  end

  # get the styles, if any
  styles = rc.render_styles
  SproutCore::PageHelper.add_styles(styles) if styles && styles.size > 0

  # done. return the generated HTML
  render_source.concat(ret,block) if block_given?
  return ret
end

.set_helper(helper_name, obj) ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 91

def self.set_helper(helper_name,obj)
  @@helpers[helper_name.to_sym] = obj
end