{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from ipyleaflet import Map, GeoData, basemaps, LayersControl\n",
    "import geopandas\n",
    "import json\n",
    "\n",
    "countries = geopandas.read_file(geopandas.datasets.get_path('naturalearth_lowres'))\n",
    "rivers = geopandas.read_file(\"https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/physical/ne_10m_rivers_lake_centerlines.zip\")\n",
    "\n",
    "m = Map(center=(28.6019917,70.9121356), zoom = 3, basemap= basemaps.Esri.WorldTopoMap)\n",
    "\n",
    "geo_data = GeoData(geo_dataframe = countries,\n",
    "                   style={'color': 'black', 'fillColor': '#366370', 'opacity':0.05, 'weight':1.9, 'dashArray':'2', 'fillOpacity':0.6},\n",
    "                   hover_style={'fillColor': '#b08a3e' , 'fillOpacity': 0.9},\n",
    "                   name = 'Countries')\n",
    "\n",
    "\n",
    "m.add_layer(geo_data)\n",
    "m"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from ipywidgets import Text, HTML\n",
    "from ipyleaflet import WidgetControl, GeoJSON \n",
    "\n",
    "\n",
    "html = HTML('''Hover over a state''')\n",
    "html.layout.margin = '0px 20px 20px 20px'\n",
    "control = WidgetControl(widget=html, position='topright')\n",
    "m.add_control(control)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def update_html(feature,  **kwargs):\n",
    "    html.value = '''\n",
    "        <h3><b>{}</b></h3>\n",
    "        <h4>Population: {:.2e} people</h4> \n",
    "        <h4>Continent: {}</h4>\n",
    "    '''.format(feature['properties']['name'],\n",
    "               feature['properties']['pop_est'],\n",
    "               feature['properties']['continent'])\n",
    "\n",
    "geo_data.on_hover(update_html)"
   ]
  }
 ],
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