Nominatim/website/js/nominatim-ui.js

316 lines
11 KiB
JavaScript

var map;
var last_click_latlng;
function parse_and_normalize_geojson_string(raw_string){
// normalize places the geometry into a featurecollection, similar to
// https://github.com/mapbox/geojson-normalize
var parsed_geojson = {
type: "FeatureCollection",
features: [
{
type: "Feature",
geometry: JSON.parse(raw_string),
properties: {}
}
]
};
return parsed_geojson;
}
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: true, // !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);
var osm2 = new L.TileLayer(nominatim_map_init.tile_url, {minZoom: 0, maxZoom: 13, attribution: (nominatim_map_init.tile_attribution || null )});
var miniMap = new L.Control.MiniMap(osm2, {toggleDisplay: true}).addTo(map);
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);
}
var MapPositionControl = L.Control.extend({
options: {
position: 'topright'
},
onAdd: function (map) {
var container = L.DomUtil.create('div', 'my-custom-control');
$(container).text('show map bounds').addClass('leaflet-bar btn btn-sm btn-default').on('click', function(e){
e.preventDefault();
e.stopPropagation();
$('#map-position').show();
$(container).hide();
});
$('#map-position-close a').on('click', function(e){
e.preventDefault();
e.stopPropagation();
$('#map-position').hide();
$(container).show();
});
return container;
}
});
map.addControl(new MapPositionControl());
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-inner').html([html_center,html_zoom,html_viewbox,html_click,html_mouse].join('<br/>'));
var reverse_params = {
// lat: map.getCenter().lat.toFixed(5),
// lon: map.getCenter().lng.toFixed(5),
// zoom: 2,
format: 'html'
}
$('#switch-to-reverse').attr('href', 'reverse.php?' + $.param(reverse_params));
$('input#use_viewbox').trigger('change');
}
function update_viewbox_field(){
// hidden HTML field
$('input[name=viewbox]').val( $('input#use_viewbox').prop('checked') ? map_viewbox_as_string() : '');
}
map.on('move', function(e) {
display_map_position();
update_viewbox_field();
});
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(){
update_viewbox_field();
});
function map_viewbox_as_string() {
// since .toBBoxString() doesn't round numbers
return [
map.getBounds().getSouthWest().lng.toFixed(5), // left
map.getBounds().getNorthEast().lat.toFixed(5), // top
map.getBounds().getNorthEast().lng.toFixed(5), // right
map.getBounds().getSouthWest().lat.toFixed(5) // bottom
].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.asgeojson && result.asgeojson.match(/(Polygon)|(Line)/) ){
var geojson_layer = L.geoJson(
parse_and_normalize_geojson_string(result.asgeojson),
{
// http://leafletjs.com/reference-1.0.3.html#path-option
style: function(feature) {
return { interactive: false, color: 'blue' };
}
}
);
layerGroup.addLayer(geojson_layer);
}
else {
// var layer = L.rectangle(bounds, {color: "#ff7800", weight: 1} );
// layerGroup.addLayer(layer);
}
}
else {
var result_coord = L.latLng(result.lat, result.lon);
if ( result_coord ){
if ( is_reverse_search ){
// make sure the search coordinates are in the map view as well
map.fitBounds([result_coord, [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_coord, 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();
});
$('#switch-coords').on('click', function(e){
e.preventDefault();
e.stopPropagation();
var lat = $('form input[name=lat]').val();
var lon = $('form input[name=lon]').val();
$('form input[name=lat]').val(lon);
$('form input[name=lon]').val(lat);
$('form').submit();
});
}
highlight_result(0, false);
// common mistake is to copy&paste latitude and longitude into the 'lat' search box
$('form input[name=lat]').on('change', function(){
var coords = $(this).val().split(',');
if (coords.length == 2) {
$(this).val(L.Util.trim(coords[0]));
$(this).siblings('input[name=lon]').val(L.Util.trim(coords[1]));
}
});
});
jQuery(document).on('ready', function(){
if ( !$('#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: true, // !L.Browser.touch,
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 osm2 = new L.TileLayer(nominatim_map_init.tile_url, {minZoom: 0, maxZoom: 13, attribution: (nominatim_map_init.tile_attribution || null )});
var miniMap = new L.Control.MiniMap(osm2, {toggleDisplay: true}).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.asgeojson ){
var geojson_layer = L.geoJson(
parse_and_normalize_geojson_string(nominatim_result.asgeojson),
{
// http://leafletjs.com/reference-1.0.3.html#path-option
style: function(feature) {
return { interactive: false, color: 'blue' };
}
}
);
map.addLayer(geojson_layer);
map.fitBounds(geojson_layer.getBounds());
} else {
map.setView([nominatim_result.lat,nominatim_result.lon],10);
}
});