store the current file data in files.currentFile

glsl/files.js

files.open = function(name) {
  files.current = name;
  if (name in files.builtin) {
    return {"name": name, "content": files.builtin[name], "readonly": true};
    files.currentFile = {"name": name, "content": files.builtin[name], "readonly": true};
  } else {
    return {"name": name, "content": localStorage[files.prefix + name], "readonly": false};
    files.currentFile = {"name": name, "content": localStorage[files.prefix + name], "readonly": false};
  }
  return files.currentFile;
}
files.create = function(name, content) {
  
  files.current = name;
  
  var file = { "name": name, "content": content, readonly: false };
  files.currentFile = { "name": name, "content": content, readonly: false };
  localStorage[files.prefix + name] = content;
  return file;
  return files.currentFile;
}
files.save = function(name, content) {
  files.currentFile.content = content;
  localStorage[files.prefix + name] = content;
}