drilldown.ipynb

{
 "metadata": {
  "name": "",
  "signature": "sha256:94b9967203eda1889600d6f747bf64693e9b744ad9cf4e80a942765578fccac2"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from IPython.html import widgets\n",
      "from IPython.display import display"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "box = widgets.ContainerWidget()\n",
      "step1 = widgets.DropdownWidget(values=[a for a in 'abc.'])\n",
      "step2 = widgets.DropdownWidget(values=[a for a in 'abc.'], visible=False)\n",
      "step3 = widgets.DropdownWidget(values=[a for a in 'abc.'], visible=False)\n",
      "box.children = [step1, step2, step3]\n",
      "display(box)\n",
      "box.remove_class('vbox')\n",
      "box.add_class('hbox')\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 10
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def step1_change(name, old, new):\n",
      "    step2.visible = new != '.'\n",
      "step1.on_trait_change(step1_change, 'value')"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 11
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}