wut-web-dev cruft input tests wtf

notebooks/wut-web-dev.ipynb

@@ -33,23 +33,42 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# cell 1\n",
+    "from ipywidgets import *\n",
+    "import time\n",
+    "\n",
+    "slider = IntSlider(\n",
+    "    value=7,\n",
+    "    min=1,\n",
+    "    max=10.0,\n",
+    "    step=1,\n",
+    "    description=\"Input:\",\n",
+    ")\n",
+    "\n",
+    "display(slider)\n",
+    "time.sleep(10) # move slider to 5"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "print(\"done \" + str(slider.value))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "### cell #1\n",
     "#import ipywidgets as widgets\n",
-    "#import ipython_blocking\n",
+    "#import ipython_blocking # enables %block and %blockrun magic\n",
+    "\n",
     "#text = widgets.Text()\n",
-    "#dd = widgets.Dropdown(options=['', 'foo', 'bar', 'baz'])\n",
-    "#button = widgets.Button(description='Run', disabled=True)\n",
-    "\n",
-    "#def validation(ev):\n",
-    "#    \"make button clickable if user has put in more than 5 characters and chosen a dropdown option\"\n",
-    "#    if len(text.value) > 5 and dd.value:\n",
-    "#        button.disabled = False\n",
-    "#    else:\n",
-    "#        button.disabled = True\n",
-    "#text.observe(validation)\n",
-    "#dd.observe(validation)\n",
-    "\n",
-    "#box = widgets.VBox(children=[text, dd, button])\n",
+    "#box = widgets.VBox(children=[text])\n",
     "#box"
    ]
   },
@@ -59,22 +78,28 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# cell 1\n",
+    "### cell #1\n",
+    "textsize=False\n",
     "import ipywidgets as widgets\n",
-    "import ipython_blocking\n",
-    "text = widgets.Text()\n",
-    "#dd = widgets.Dropdown(options=['', 'foo', 'bar', 'baz'])\n",
-    "button = widgets.Button(description='Run', disabled=True)\n",
+    "import ipython_blocking # enables %block and %blockrun magic\n",
     "\n",
-    "def validation(ev):\n",
-    "    \"make button clickable if user has put in more than 5\"\n",
+    "text = widgets.Text()\n",
+    "\n",
+    "button = widgets.Button(description='Run', disabled=False)\n",
+    "\n",
+    "#def validation(ev):\n",
+    "def validation():\n",
     "    if len(text.value) > 5:\n",
-    "        button.disabled = False\n",
+    "        return False\n",
     "    else:\n",
-    "        button.disabled = True\n",
+    "        return \n",
+    "\n",
+    "#box = widgets.VBox(children=[text, button])\n",
+    "#box = widgets.VBox(children=[button])\n",
+    "\n",
     "text.observe(validation)\n",
     "\n",
-    "box = widgets.VBox(children=[text, button])\n",
+    "box = widgets.VBox(children=[text])\n",
     "box"
    ]
   },
@@ -84,8 +109,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# cell 2\n",
-    "%blockrun button"
+    "### cell #2\n",
+    "%block validation\n",
+    "#%blockrun button\n",
+    "#%blockrun button"
    ]
   },
   {
@@ -94,19 +121,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# cell 3\n",
-    "print(text.value)\n",
-    "print(dd.value)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "blueline = widgets.Output(layout={'border': '5px solid lightblue'})\n",
-    "blueline"
+    "### cell #3 -- doesn't execute until the 'Run' button is pressed\n",
+    "### This gives the user a chance to interact with the Text and Dropdown widgets\n",
+    "print(text.value)"
    ]
   },
   {