Class: Nice::Logic

Inherits:
Object
  • Object
show all
Defined in:
lib/nice/logic.rb

Overview

> respond with JS which either first removes all elements of the current state and

later inserts new content OR directly replaces elements

Class Method Summary collapse

Class Method Details

.run(current_method, current_path, referer, doc, is_js) ⇒ Object 



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# File 'lib/nice/logic.rb', line 30

def self.run current_method, current_path, referer, doc, is_js

	current_state = current_method.downcase + current_path.gsub("/", "_")
	prev_state = referer.gsub("/","_") unless referer.nil?

  	referenced_doc = Nice::HtmlParser.annotate_referencing_nodes doc	

  	cleaned_doc = Nice::HtmlParser.remove_elements_not_of_state current_state, referenced_doc
  	
  	# case 1
  	if !is_js then   

  		cleaned_doc.to_html

  	# case 2
  	else   
  		js_stack = ["// remove elements not present in the following state"]
  		js_stack << Nice::Js::Caller.generate_js_remove(current_state)

  		js_stack << "// add new elements"
  		js_stack += Nice::HtmlParser.add_elements_of_current_state(cleaned_doc,current_state).compact

  		js_stack << "// add browser history scripts"		
  		js_stack << Nice::Js::Caller.move_to_url(current_path,"title")
  		js_stack << Nice::Js::Caller.insert_or_update_back_listener(referer)

  		js_stack << "// inform ui on state change"
  		js_stack << Nice::Js::Caller.state_did_change(prev_state,current_state)

  		js_stack.join("\n")
  	end
end