diff --git a/index.html b/index.html index 388d5ff..e50bd7a 100644 --- a/index.html +++ b/index.html @@ -17,6 +17,20 @@ bottom: 0; width: 100%; } + + .info { + padding: 6px 8px; + font: 14px/16px Arial, Helvetica, sans-serif; + background: white; + background: rgba(255, 255, 255, 0.8); + box-shadow: 0 0 15px rgba(0, 0, 0, 0.2); + border-radius: 5px; + } + + .info h4 { + margin: 0 0 5px; + color: #777; + } diff --git a/resources/script/app.js b/resources/script/app.js index 4f0efb9..0f2962e 100644 --- a/resources/script/app.js +++ b/resources/script/app.js @@ -4,7 +4,78 @@ L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { attribution: '© OpenStreetMap', subdomains: ['a', 'b', 'c'] }).addTo(map) -$.getJSON("resources/data/bbmp-wards.json", function(data) { - L.geoJson(data).addTo(map) - +var data +$.getJSON('resources/data/bbmp-wards.json', function (data) { + geojson = L.geoJson(data, { + style: style, + onEachFeature: onEachFeature + }).addTo(map) + +function style (feature) { + return { + weight: 2, + opacity: 1, + color: 'blue', + dashArray: '3', + fillOpacity: 0.1 + } +} + + L.geoJson(data, {style: style}).addTo(map) + +function highlightFeature (e) { + var layer = e.target + + layer.setStyle({ + weight: 5, + color: '#666', + dashArray: '', + fillOpacity: 0.7 + }) + + if (!L.Browser.ie && !L.Browser.opera && !L.Browser.edge) { + layer.bringToFront() + } + info.update(layer.feature.properties) +} + + function resetHighlight (e) { + geojson.resetStyle(e.target) + info.update() +} + + function zoomToFeature (e) { + map.fitBounds(e.target.getBounds()) +} + + function onEachFeature (feature, layer) { + layer.on({ + mouseover: highlightFeature, + mouseout: resetHighlight, + click: zoomToFeature + }) +} + + geojson = L.geoJson(data, { + style: style, + onEachFeature: onEachFeature + }).addTo(map) + +var info = L.control() + +info.onAdd = function (map) { + this._div = L.DomUtil.create('div', 'info') // create a div with a class "info" + this.update() + return this._div +}; + + // method that we will use to update the control based on feature properties passed + info.update = function (props) { + this._div.innerHTML = '

Bangalore BBMP wards

' + (props + ? '' + props.Name + '
' + : 'Hover over a ward') +}; + + info.addTo(map) + })