//
// label
//
// Neil Gershenfeld
// (c) Massachusetts Institute of Technology 2018
//
// This work may be reproduced, modified, distributed, performed, and
// displayed for any purpose, but must acknowledge the mods
// project. Copyright is retained and must be preserved. The work is
// provided as is; no warranty is provided, and users accept all
// liability.
//
// closure
//
(function(){
//
// module globals
//
var mod = {}
//
// name
//
var name = 'label'
//
// initialization
//
var init = function() {
   mod.size.value = 300
   mod.text.value = 'hello world'
   update_text()
   }
//
// inputs
//
var inputs = {
   text:{type:'',
      event:function(evt){
         mod.text.value = evt.detail
         update_text()
         }}}
//
// outputs
//
var outputs = {
   text:{type:'',
      event:function(){
         mods.output(mod,'text',mod.text.value)}}}
//
//
// interface
//
var interface = function(div){
   mod.div = div
   div.appendChild(document.createTextNode('font size: '))
   input = document.createElement('input')
      input.type = 'text'
      input.size = 3
      input.addEventListener('input',function(evt){
         update_text()
         })
      div.appendChild(input)
      mod.size = input
   div.appendChild(document.createTextNode(' (%)'))
   div.appendChild(document.createElement('br'))
   div.appendChild(document.createTextNode('text: '))
   input = document.createElement('input')
      input.type = 'text'
      input.size = 6
      input.addEventListener('input',function(evt){
         update_text()
         })
      div.appendChild(input)
      mod.text = input
   div.appendChild(document.createElement('br'))
   var span = document.createElement('span')
      var text = document.createTextNode('')
         span.appendChild(text)
         mod.label = text
      div.appendChild(span)
      mod.span = span
   }
//
// local functions
//
function update_text() {
   mod.label.nodeValue = mod.text.value
   mod.span.style.fontSize = mod.size.value+'%'
   mods.fit(mod.div)
   outputs.text.event()
   }
//
// return values
//
return ({
   mod:mod,
   name:name,
   init:init,
   inputs:inputs,
   outputs:outputs,
   interface:interface
   })
}())