Class: Nice::Logic

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

Overview

> replace all contents under the “container yield” mentioned in the application layout file

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 33

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

    ref_c = Rails.application.routes.recognize_path(referer)[:controller]
    ref_a = Rails.application.routes.recognize_path(referer)[:action]
	  curr_c = Rails.application.routes.recognize_path(current_path)[:controller]
	  curr_a = Rails.application.routes.recognize_path(current_path)[:action]
	
	  current_state = "#{current_method.downcase}_#{curr_c}_#{curr_a}"
	
	  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
  	
  	controller_same = (ref_c == curr_c)
  	
  	# case 1
  	if !is_js then   

      response = Nice::HtmlParser.add_top_css(cleaned_doc, current_state).to_html

  	# case 2
  	elsif controller_same && is_js then   
  		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
  		
  	# case 4
  	elsif !controller_same && is_js then
  		js_stack = ["// remove elements not present in the following state"]
  		js_stack << Nice::Js::Caller.generate_js_remove(current_state)
  		      	  
      js_stack << ["// remove elements below root"]
  		js_stack << Nice::Js::Caller.clean_root_tree
  		
  		js_stack << "// add new content tree blow root tag"
  		js_stack += Nice::HtmlParser.add_root_content(cleaned_doc).compact
  		
  		js_stack << "// add elements of the current state above root"
  		js_stack += Nice::HtmlParser.add_elements_of_current_state(cleaned_doc,current_state,true).compact      		
  	end
  	
  	# add completing js 
  	if is_js then
  	  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 << "// switch body css class"      		
  		js_stack << Nice::Js::Caller.change_top_css(current_state)
  		
  	  js_stack << "// AJAX RAILS ENGINE (nice.codebility.com)"		      		
  		      		
  		response = js_stack.join("\n")
  	end
  	
  	response
end