website/js/nominatim-ui.js

   1 var map;
   2 var last_click_latlng;
   3
   4 jQuery(document).on('ready', function(){
   5
   6     if ( !$('#search-page,#reverse-page').length ){ return; }
   7
   8     var is_reverse_search = !!( $('#reverse-page').length );
   9
  10     $('#q').focus();
  11
  12     map = new L.map('map', {
  13                 attributionControl: (nominatim_map_init.tile_attribution && nominatim_map_init.tile_attribution.length),
  14                 scrollWheelZoom:    !L.Browser.touch,
  15                 touchZoom:          false
  16             });
  17
  18     L.tileLayer(nominatim_map_init.tile_url, {
  19         noWrap: true, // otherwise we end up with click coordinates like latitude -728
  20         // moved to footer
  21         attribution: (nominatim_map_init.tile_attribution || null ) //'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
  22     }).addTo(map);
  23
  24     map.setView([nominatim_map_init.lat, nominatim_map_init.lon], nominatim_map_init.zoom);
  25
  26     if ( is_reverse_search ){
  27         // We don't need a marker, but an L.circle instance changes radius once you zoom in/out
  28         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});
  29         cm.addTo(map);
  30     }
  31
  32     var MapPositionControl = L.Control.extend({
  33             options: {
  34                     position: 'topright'
  35             },
  36
  37             onAdd: function (map) {
  38                     var container = L.DomUtil.create('div', 'my-custom-control');
  39
  40                     $(container).text('show map bounds').addClass('leaflet-bar btn btn-sm btn-default').on('click', function(e){
  41                         e.preventDefault();
  42                         e.stopPropagation();
  43                         $('#map-position').show();
  44                         $(container).hide();
  45                     });
  46                     $('#map-position-close a').on('click', function(e){
  47                         e.preventDefault();
  48                         e.stopPropagation();
  49                         $('#map-position').hide();
  50                         $(container).show();
  51                     });
  52
  53                     return container;
  54             }
  55     });
  56
  57     map.addControl(new MapPositionControl());
  58
  59
  60     function display_map_position(mouse_lat_lng){
  61
  62         html_mouse = "mouse position " + (mouse_lat_lng ? [mouse_lat_lng.lat.toFixed(5), mouse_lat_lng.lng.toFixed(5)].join(',') : '-');
  63         html_click = "last click: " + (last_click_latlng ? [last_click_latlng.lat.toFixed(5),last_click_latlng.lng.toFixed(5)].join(',') : '-');
  64
  65         html_center =
  66             "map center: " +
  67             map.getCenter().lat.toFixed(5) + ',' + map.getCenter().lng.toFixed(5) +
  68             " <a target='_blank' href='" + map_link_to_osm() + "'>view on osm.org</a>";
  69
  70         html_zoom = "map zoom: " + map.getZoom();
  71
  72         html_viewbox = "viewbox: " + map_viewbox_as_string();
  73
  74         $('#map-position-inner').html([html_center,html_zoom,html_viewbox,html_click,html_mouse].join('<br/>'));
  75         $('input#use_viewbox').trigger('change');
  76     }
  77
  78     map.on('move', function(e) {
  79         display_map_position();
  80     });
  81
  82     map.on('mousemove', function(e) {
  83         display_map_position(e.latlng);
  84     });
  85
  86     map.on('click', function(e) {
  87         last_click_latlng = e.latlng;
  88         display_map_position();
  89     });
  90
  91     map.on('load', function(e){
  92         display_map_position();
  93     });
  94
  95
  96     $('input#use_viewbox').on('change', function(){
  97         $('input[name=viewbox]').val( $(this).prop('checked') ? map_viewbox_as_string() : '');
  98     });
  99
 100
 101
 102     function map_viewbox_as_string() {
 103         // since .toBBoxString() doesn't round numbers
 104         return [
 105             map.getBounds().getSouthWest().lat.toFixed(5),
 106             map.getBounds().getSouthWest().lng.toFixed(5),
 107             map.getBounds().getNorthEast().lat.toFixed(5),
 108             map.getBounds().getNorthEast().lng.toFixed(5) ].join(',');
 109     }
 110     function map_link_to_osm(){
 111         return "http://openstreetmap.org/#map=" + map.getZoom() + "/" + map.getCenter().lat + "/" + map.getCenter().lng;
 112     }
 113
 114     function get_result_element(position){
 115         return $('.result').eq(position);
 116     }
 117     function marker_for_result(result){
 118         return L.marker([result.lat,result.lon], {riseOnHover:true,title:result.name });
 119     }
 120     function circle_for_result(result){
 121         return L.circleMarker([result.lat,result.lon], { radius: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75, clickable: !is_reverse_search});
 122     }
 123
 124     var layerGroup = new L.layerGroup().addTo(map);
 125     function highlight_result(position, bool_focus){
 126         var result = nominatim_results[position];
 127         if (!result){ return }
 128         var result_el = get_result_element(position);
 129
 130         $('.result').removeClass('highlight');
 131         result_el.addClass('highlight');
 132
 133         layerGroup.clearLayers();
 134
 135         if (result.lat){
 136             var circle = circle_for_result(result);
 137             circle.on('click', function(){
 138                 highlight_result(position);
 139             });
 140             layerGroup.addLayer(circle);
 141         }
 142         if (result.aBoundingBox){
 143
 144             var bounds = [[result.aBoundingBox[0]*1,result.aBoundingBox[2]*1], [result.aBoundingBox[1]*1,result.aBoundingBox[3]*1]];
 145             map.fitBounds(bounds);
 146             if (result.astext && result.astext.match(/(POLY)|(LINE)/) ){
 147                 var geojson_layer = L.geoJson(null, {
 148                     // http://leafletjs.com/reference.html#geojson-style
 149                     style: function(feature) { return { clickable: false, color: 'blue' }; }
 150                 });
 151                 omnivore.wkt.parse(result.astext,null,geojson_layer);
 152                 layerGroup.addLayer(geojson_layer);
 153             }
 154             else {
 155                 // var layer = L.rectangle(bounds, {color: "#ff7800", weight: 1} );
 156                 // layerGroup.addLayer(layer);
 157             }
 158         }
 159         else {
 160             if ( is_reverse_search ){
 161                 // make sure the search coordinates are in the map view as well
 162                 map.fitBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {padding: [50,50], maxZoom: map.getZoom()});
 163
 164                 // better, but causes a leaflet warning
 165                 // map.panInsideBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {animate: false});
 166             }
 167             else {
 168                 map.panTo([result.lat,result.lon], result.zoom || nominatim_map_init.zoom);
 169             }
 170         }
 171
 172         // var crosshairIcon = L.icon({
 173         //  iconUrl:     'images/crosshair.png',
 174         //  iconSize:    [12, 12],
 175         //  iconAnchor:  [6, 6],
 176         // });
 177         // var crossMarker = new L.Marker([result.lat,result.lon], { icon: crosshairIcon, clickable: false});
 178         // layerGroup.addLayer(crossMarker);
 179
 180
 181
 182         if (bool_focus){
 183             $('#map').focus();
 184         }
 185     }
 186
 187
 188     $('.result').on('click', function(e){
 189         highlight_result($(this).data('position'), true);
 190     });
 191
 192     if ( is_reverse_search ){
 193         map.on('click', function(e){
 194             $('form input[name=lat]').val( e.latlng.lat);
 195             $('form input[name=lon]').val( e.latlng.lng);
 196             $('form').submit();
 197         });
 198     }
 199
 200     highlight_result(0, false);
 201
 202
 203 });
 204
 205
 206 jQuery(document).on('ready', function(){
 207
 208     if ( !$('#details-page').length ){ return; }
 209
 210
 211         map = new L.map('map', {
 212                     // center: [nominatim_map_init.lat, nominatim_map_init.lon],
 213                     // zoom:   nominatim_map_init.zoom,
 214                     attributionControl: (nominatim_map_init.tile_attribution && nominatim_map_init.tile_attribution.length),
 215                     scrollWheelZoom:    false,
 216                     touchZoom:          false,
 217                 });
 218
 219
 220         L.tileLayer(nominatim_map_init.tile_url, {
 221             // moved to footer
 222             attribution: (nominatim_map_init.tile_attribution || null ) //'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
 223         }).addTo(map);
 224
 225
 226         var layerGroup = new L.layerGroup().addTo(map);
 227
 228         var circle = L.circleMarker([nominatim_result.lat,nominatim_result.lon], { radius: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75});
 229         map.addLayer(circle);
 230
 231         if ( nominatim_result.outlinestring ){
 232
 233             var geojson_layer = L.geoJson(null, {
 234                 // http://leafletjs.com/reference.html#geojson-style
 235                 style: function(feature) { return { clickable: false, color: 'blue' }; }
 236             });
 237             omnivore.wkt.parse(nominatim_result.outlinestring,null,geojson_layer);
 238             layerGroup.addLayer(geojson_layer);
 239             map.fitBounds(geojson_layer.getBounds());
 240         } else {
 241             map.setView([nominatim_result.lat,nominatim_result.lon],10);
 242         }
 243
 244
 245
 246 });
 247