Class: SWS::RadioButtonList

Inherits:
ListElement show all
Defined in:
lib/sws/Core/components/RadioButtonList/RadioButtonList.rb

Overview

Represents a list of radiobuttons with the same name. Bindings:

  • list (required) - array of object to be displayed in the form of

radiobuttons

  • item (required,settable) - an object to use as list iterator

  • selection (required,settable) - object selected from radiobutton list

  • display_string - string to display (if not set, the item itself will be

used)

  • prefix - HTML code to add before each radiobutton

  • suffix - HTML code to add after each radiobutton

  • disabled - if true, the radiobuttons will be inactive

  • other_tag_string - generic string to add to each <INPUT type=radiobutton

tag

Instance Attribute Summary

Attributes inherited from Component

#action_components, #definition_component, #encoding, #html_attrs, #method_to_call, #name, #parameters, #parent, #request, #request_number, #slots, #subcomponents, #tokens

Instance Method Summary collapse

Methods inherited from ListElement

#append_to_response, #item, #list

Methods inherited from FormElement

#container?, #element_name

Methods inherited from Component

#api_filename, #app, #append_to_response, #awake, #container?, #content?, create, #create_component_tree, #definition_filename, #initialize, #page, #perform_action, #process_parameters, #process_request, #remove_subcomponents, #session, #set_request_subcomponents, #sleep, #slot_bound?, #subcomponent_for_name, synchronize_slot, #synchronize_slot?, #synchronize_slots, #template_filename, #tokenize_binding, #update_binding, #url_string

Constructor Details

This class inherits a constructor from SWS::Component

Instance Method Details

#generate_html ⇒ Object 



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# File 'lib/sws/Core/components/RadioButtonList/RadioButtonList.rb', line 42

def generate_html ()

	string = ""
	generic_string = generic_attr_string()
	list().each_index do |index|
		item = list[index]
		@slots["item"].value = item
		if ( slot_bound?( "display_string" ) )
			display_string = @slots["display_string"].value()
		else
			display_string = item
		end
		if ( slot_bound?( "prefix" ) )
			string << @slots["prefix"].value()
		end
		string << "<INPUT type=\"radio\" name=\"#{element_name()}.selection\" value=#{index}"
		if ( slot_bound?( "disabled" ) && @slots["disabled"].value() == true )
			string << " disabled"
		end
		if ( selection == item )
			string << " checked"
		end
		string << generic_string << ">\n"
		string << display_string
		if ( slot_bound?("suffix") )
			string << @slots["suffix"].value()
		end
	end
	return string

end

#process_bindings ⇒ Object 



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# File 'lib/sws/Core/components/RadioButtonList/RadioButtonList.rb', line 37

def process_bindings ()
	self.selection = @parameters["selection"]
end

#selection ⇒ Object

Returns value of “selection” slot



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# File 'lib/sws/Core/components/RadioButtonList/RadioButtonList.rb', line 20

def selection ()
	return @slots["selection"].value()
end

#selection=(selection) ⇒ Object

Sets the value of “selection” slot



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# File 'lib/sws/Core/components/RadioButtonList/RadioButtonList.rb', line 26

def selection= ( selection )

	if ( selection == nil )
		@slots["selection"].value = nil
	else
		@slots["selection"].value = list[selection.to_i]
	end

end