status after hackweekend London

website/js/nominatim-ui.js

@@ -0,0 +1,151 @@
+var map;
+var last_click_latlng;
+
+jQuery(document).on('ready', function(){
+	$('#q').focus();
+
+	map = new L.map('map', {
+				center: [nominatim_map_init.lat, nominatim_map_init.lon],
+				zoom:   nominatim_map_init.zoom,
+				attributionControl: false,
+				scrollWheelZoom:    false,
+				touchZoom:          false,
+			});
+
+	L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
+//		attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
+	}).addTo(map);
+
+
+
+	function display_map_position(mouse_lat_lng){
+
+		html_mouse = "mouse position " + (mouse_lat_lng ? [mouse_lat_lng.lat.toFixed(5), mouse_lat_lng.lng.toFixed(5)].join(',') : '-');
+		html_click = "last click: " + (last_click_latlng ? [last_click_latlng.lat.toFixed(5),last_click_latlng.lng.toFixed(5)].join(',') : '-');
+
+		html_center = 
+			"map center: " + 
+			map.getCenter().lat.toFixed(5) + ',' + map.getCenter().lng.toFixed(5) +
+			" <a target='_blank' href='" + map_link_to_osm() + "'>view on osm.org</a>";
+
+		html_viewbox = "viewbox: " + map_viewbox_as_string();
+
+		$('#map-position').html([html_center,html_viewbox,html_click,html_mouse].join('<br/>'));
+		$('input#use_viewbox').trigger('change');
+	}
+
+	map.on('move', function(e) {
+		display_map_position();
+	});
+
+	map.on('mousemove', function(e) {
+		display_map_position(e.latlng);
+	});
+
+	map.on('click', function(e) {
+		last_click_latlng = e.latlng;
+		display_map_position();
+	});
+
+	map.on('load', function(e){
+		display_map_position();
+	});
+
+
+	$('input#use_viewbox').on('change', function(){
+		$('input[name=viewbox]').val( $(this).prop('checked') ? map_viewbox_as_string() : '');
+	});
+
+
+
+	function map_viewbox_as_string() {
+		// since .toBBoxString() doesn't round numbers
+		return [
+			map.getBounds().getSouthWest().lat.toFixed(5),
+			map.getBounds().getSouthWest().lng.toFixed(5),
+			map.getBounds().getNorthEast().lat.toFixed(5),
+			map.getBounds().getNorthEast().lng.toFixed(5) ].join(',');
+	}
+	function map_link_to_osm(){
+		return "http://openstreetmap.org/#map=" + map.getZoom() + "/" + map.getCenter().lat + "/" + map.getCenter().lng;
+	}
+
+	function get_result_element(position){
+		return $('.result').eq(position);
+	}
+	function marker_for_result(result){
+		return L.marker([result.lat,result.lon], {riseOnHover:true,title:result.name });
+	}
+	function circle_for_result(result){
+		return L.circleMarker([result.lat,result.lon], { radius: 50, weight: 1, fillColor: '#F0F7FF', color: 'red', opacity: 0.75});
+	}
+
+	var layerGroup = new L.layerGroup().addTo(map);
+	function highlight_result(position, bool_focus){
+		var result = nominatim_results[position];
+		if (!result){ return }
+		var result_el = get_result_element(position);
+
+		$('.result').removeClass('highlight');
+		result_el.addClass('highlight');
+
+		layerGroup.clearLayers();
+
+		if (result.aBoundingBox){
+
+			console.log('bounding box, maybe polygon', result);
+			var bounds = [[result.aBoundingBox[0]*1,result.aBoundingBox[2]*1], [result.aBoundingBox[1]*1,result.aBoundingBox[3]*1]];
+			map.fitBounds(bounds);
+			if (result.astext && result.astext.match(/POLY/) ){
+				var layer = omnivore.wkt.parse(result.astext);
+				layerGroup.addLayer(layer);
+				// layer.addTo(map);
+				// addedLayers.push(layer);
+			}
+			else {
+				var layer = L.rectangle(bounds, {color: "#ff7800", weight: 1} );
+				layerGroup.addLayer(layer);
+			}
+		}
+		else {
+			// console.log('lat,lon,zoom');
+			map.panTo([result.lat,result.lon], result.zoom || nominatim_map_init.zoom);
+			var circle = circle_for_result(result);
+			circle.on('click', function(){
+				highlight_result(i);
+			});
+			layerGroup.addLayer(layer);
+
+			// circle.addTo(map);
+		}
+
+		var crosshairIcon = L.icon({
+			iconUrl:     'images/crosshair.png',
+			iconSize:    [12, 12],
+			iconAnchor:  [6, 6],
+		});
+		var crossMarker = new L.Marker([result.lat,result.lon], { icon: crosshairIcon, clickable: false});
+		layerGroup.addLayer(crossMarker);
+
+		// crossMarker.addTo(map);
+		// addedLayers.push(crossMarker);
+
+
+		if (bool_focus){
+			$('#map').focus();
+		}
+	}
+
+	$.each(nominatim_results, function(i, result){
+
+	});
+
+
+	$('.result').on('click', function(e){
+		highlight_result($(this).data('position'), true);
+	});
+
+	highlight_result(0, false);
+
+
+});