Module: SproutCore::PageHelper

Defined in:
lib/sproutcore/deprecated/view_helper.rb

Overview

The PageHelper is a singleton object that can render the Page javascript object.

Constant Summary collapse

@@render_contexts = 
[]
@@outlets = 
[]
@@styles = 
[]
@@defines = 
[]

Class Method Summary collapse

Class Method Details

.add_styles(styles) ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 49

def self.add_styles(styles)
  @@styles << styles
end

.current_render_context ⇒ Object

This is the current helper state used when rendering the HTML. When a view helper is rendered, it may add itself as an outlet to the current helper state instead of to the page helper.



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 21

def self.current_render_context
  @@render_contexts.last
end

.pop_render_context ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 29

def self.pop_render_context
  @@render_contexts.pop
end

.push_render_context(state) ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 25

def self.push_render_context(state)
  @@render_contexts.push(state)
end

.render_css ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 74

def self.render_css
  if @@styles.size > 0
    %(<style type="application/css">\n#{ @@styles * "\n" }\n</style>)
  else
    ''
  end
end

.render_js(prefix = 'SC', bundle = nil) ⇒ Object

renders the page object for the current page. If you include a prefix that will be used to create a separate page object. Otherwise, the object will live in the SC namespace. If you provide a bundle that is configured to minify sources the output will be compressed.

returns the text to insert into the HTML.



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 59

def self.render_js(prefix = 'SC', bundle = nil)
  outlets = []
  @@outlets.each do | key, opts |
    outlet_path = opts[:outlet_path] || "##{opts[:id] || key}"
    outlets << %{  #{key}: #{opts[:class] || 'SC.View'}.extend({\n  #{ opts[:properties].gsub("\n","\n  ") }\n  }).outletFor("#{outlet_path}") }
  end

  # defines let you define classes to include in your UI.
  ret = @@defines.each do | key, opts |
    %{#{key} = #{opts[:class] || 'SC.View'}.extend({\n  #{ opts[:properties] }\n});}
  end
  ret << %{#{prefix}.page = SC.Page.create({\n#{ outlets * ",\n\n" }\n}); }
  bundle ? SproutCore::BuildTools::JavaScriptResourceBuilder.new(nil, nil, bundle, nil).join(ret) : ret*"\n"
end

.reset! ⇒ Object

reset the page helper.



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 34

def self.reset!
  @@render_contexts = []
  @@outlets = []
  @@styles = []
  @@defines = []
end

.set_define(key, opts = {}) ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 41

def self.set_define(key, opts = {})
  @@defines << [key, opts]
end

.set_outlet(key, opts = {}) ⇒ Object 



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# File 'lib/sproutcore/deprecated/view_helper.rb', line 45

def self.set_outlet(key,opts = {})
  @@outlets << [key, opts]
end