Nominatim/website/js/nominatim-ui.js

var map;
var last_click_latlng;

jQuery(document).on('ready', function(){

	if ( !$('#search-page,#reverse-page').length ){ return; }
	
	var is_reverse_search = !!( $('#reverse-page').length );

	$('#q').focus();

	map = new L.map('map', {
				attributionControl: (nominatim_map_init.tile_attribution && nominatim_map_init.tile_attribution.length),
				scrollWheelZoom:    !L.Browser.touch,
				touchZoom:          false
			});

	L.tileLayer(nominatim_map_init.tile_url, {
		noWrap: true, // otherwise we end up with click coordinates like latitude -728
		// moved to footer
		attribution: (nominatim_map_init.tile_attribution || null ) //'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
	}).addTo(map);

	map.setView([nominatim_map_init.lat, nominatim_map_init.lon], nominatim_map_init.zoom);

	if ( is_reverse_search ){
		// We don't need a marker, but an L.circle instance changes radius once you zoom in/out
		var cm = L.circleMarker([nominatim_map_init.lat,nominatim_map_init.lon], { radius: 5, weight: 2, fillColor: '#ff7800', color: 'red', opacity: 0.75, clickable: false});
		cm.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_zoom = "map zoom: " + map.getZoom();

		html_viewbox = "viewbox: " + map_viewbox_as_string();

		$('#map-position').html([html_center,html_zoom,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: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75, clickable: !is_reverse_search});
	}

	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.lat){
			var circle = circle_for_result(result);
			circle.on('click', function(){
				highlight_result(position);
			});
			layerGroup.addLayer(circle);			
		}
		if (result.aBoundingBox){

			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)|(LINE)/) ){
				var geojson_layer = L.geoJson(null, {
					// http://leafletjs.com/reference.html#geojson-style
					style: function(feature) { return { clickable: false, color: 'blue' }; }
				});
				omnivore.wkt.parse(result.astext,null,geojson_layer);
				layerGroup.addLayer(geojson_layer);
			}
			else {
				// var layer = L.rectangle(bounds, {color: "#ff7800", weight: 1} );
				// layerGroup.addLayer(layer);
			}
		}
		else {
			if ( is_reverse_search ){
				// make sure the search coordinates are in the map view as well
				map.fitBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {padding: [50,50], maxZoom: map.getZoom()});

				// better, but causes a leaflet warning
				// map.panInsideBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {animate: false});
			}
			else {
				map.panTo([result.lat,result.lon], result.zoom || nominatim_map_init.zoom);
			}
		}

		// 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);



		if (bool_focus){
			$('#map').focus();
		}
	}


	$('.result').on('click', function(e){
		highlight_result($(this).data('position'), true);
	});

	if ( is_reverse_search ){
		map.on('click', function(e){
			$('form input[name=lat]').val( e.latlng.lat);
			$('form input[name=lon]').val( e.latlng.lng);
			$('form').submit();
		});
	}

	highlight_result(0, false);


});


jQuery(document).on('ready', function(){

	if ( !$('#details-page').length ){ return; }


		map = new L.map('map', {
					// center: [nominatim_map_init.lat, nominatim_map_init.lon],
					// zoom:   nominatim_map_init.zoom,
					attributionControl: (nominatim_map_init.tile_attribution && nominatim_map_init.tile_attribution.length),
					scrollWheelZoom:    false,
					touchZoom:          false,
				});


		L.tileLayer(nominatim_map_init.tile_url, {
			// moved to footer
			attribution: (nominatim_map_init.tile_attribution || null ) //'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
		}).addTo(map);


		var layerGroup = new L.layerGroup().addTo(map);

		var circle = L.circleMarker([nominatim_result.lat,nominatim_result.lon], { radius: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75});
		map.addLayer(circle);

		if ( nominatim_result.outlinestring ){

			var geojson_layer = L.geoJson(null, {
				// http://leafletjs.com/reference.html#geojson-style
				style: function(feature) { return { clickable: false, color: 'blue' }; }
			});
			omnivore.wkt.parse(nominatim_result.outlinestring,null,geojson_layer);
			layerGroup.addLayer(geojson_layer);
			map.fitBounds(geojson_layer.getBounds());
		} else {
			map.setView([nominatim_result.lat,nominatim_result.lon],10);
		}



});