#!/usr/bin/env python
# coding: utf-8

# # Subsetting data by cookie cutting down to a geofabric catchment

# In[ ]:


import ipyleaflet as ipyl
import ipywidgets as ipyw
import json


# In[ ]:


# geojson layer with hover handler
with open('../../silvereye/app/public/data/geofabric_ahgf_catchments_level2.json.geojson') as f:
    data = json.load(f)
    


# In[ ]:


for feature in data['features']:
    feature['properties']['style'] = {
        'color': 'grey',
        'weight': 1,
        'fillColor': 'grey',
        'fillOpacity': 0.4
    }
    


# In[ ]:


layer = ipyl.GeoJSON(data=data, hover_style={'fillColor': 'yellow'})


# In[ ]:


# Map and label widgets
map = ipyl.Map(center=[-30, 130], zoom=5)
map.layout.height = '800px'
label = ipyw.Label(layout=ipyw.Layout(width='100%'))


# In[ ]:


def hover_handler(event=None, id=None, properties=None):
    label.value = properties['level2name']
    
def click_handler(event=None, id=None, properties=None):
    label.value = properties['level2name']


# In[ ]:


layer.on_hover(hover_handler)


# In[ ]:


#layer.on_click(click_handler)


# In[ ]:


map.add_layer(layer)


# In[ ]:


ipyw.VBox([label, map])


# In[ ]: