func init
	this.setfield('loop', 0)
	this.override = new array()
end

func doEvent(data, index)
	dt = data
	type = sys.code_type(data)
	if(this.loop)
		this.make_method(dt, type)
		blk.println(this.codename,'(', sys.if_null(dt), ');')
	else
		this.loop++
		for(i = 1; i <= this.numevents; i++)
			evn = 'onEvent' + i
			if(len(dt))
				event(evn, dt)
			else
				event(evn)
			end
		end
	end
end

func make_method(data, t)
	type = sys.type_name(data, t)
	if(not this.override.contain(type))
		this.override.add(type)
		sys.blocks_store()
		ini = block.reggen().inc().inc()
		if(pos(sys.get_frame_above(), 'UserClass', 0))
			inits.add(ini)
		else
			this.parent.get_parent_sdk().class_events.add(ini)
		end
		for(i = 1; i <= this.numevents; i++)
			evn = 'onEvent' + i
			if(len(data))
				event(evn, sub('data', t))
			else
				event(evn)
			end
		end
		// makes an implementation of the method
		ini.println('private void ',this.codename, '(', type, ' data) {')
			if(not blk_lvars.empty())
				ini.copyhere(blk_lvars)
			end
			ini.copyhere(blk)
		.println('}')
		sys.blocks_restore()
	end
end