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     function update_viewbox_field(){
  79         // hidden HTML field
  80         $('input[name=viewbox]').val( $('input#use_viewbox').prop('checked') ? map_viewbox_as_string() : '');
  81     }
  82
  83     map.on('move', function(e) {
  84         display_map_position();
  85         update_viewbox_field();
  86     });
  87
  88     map.on('mousemove', function(e) {
  89         display_map_position(e.latlng);
  90     });
  91
  92     map.on('click', function(e) {
  93         last_click_latlng = e.latlng;
  94         display_map_position();
  95     });
  96
  97     map.on('load', function(e){
  98         display_map_position();
  99     });
 100
 101
 102     $('input#use_viewbox').on('change', function(){
 103         update_viewbox_field();
 104     });
 105
 106
 107
 108     function map_viewbox_as_string() {
 109         // since .toBBoxString() doesn't round numbers
 110         return [
 111             map.getBounds().getSouthWest().lng.toFixed(5), // left
 112             map.getBounds().getNorthEast().lat.toFixed(5), // top
 113             map.getBounds().getNorthEast().lng.toFixed(5), // right
 114             map.getBounds().getSouthWest().lat.toFixed(5)  // bottom
 115         ].join(',');
 116     }
 117     function map_link_to_osm(){
 118         return "http://openstreetmap.org/#map=" + map.getZoom() + "/" + map.getCenter().lat + "/" + map.getCenter().lng;
 119     }
 120
 121     function get_result_element(position){
 122         return $('.result').eq(position);
 123     }
 124     function marker_for_result(result){
 125         return L.marker([result.lat,result.lon], {riseOnHover:true,title:result.name });
 126     }
 127     function circle_for_result(result){
 128         return L.circleMarker([result.lat,result.lon], { radius: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75, clickable: !is_reverse_search});
 129     }
 130
 131     var layerGroup = new L.layerGroup().addTo(map);
 132     function highlight_result(position, bool_focus){
 133         var result = nominatim_results[position];
 134         if (!result){ return }
 135         var result_el = get_result_element(position);
 136
 137         $('.result').removeClass('highlight');
 138         result_el.addClass('highlight');
 139
 140         layerGroup.clearLayers();
 141
 142         if (result.lat){
 143             var circle = circle_for_result(result);
 144             circle.on('click', function(){
 145                 highlight_result(position);
 146             });
 147             layerGroup.addLayer(circle);
 148         }
 149         if (result.aBoundingBox){
 150
 151             var bounds = [[result.aBoundingBox[0]*1,result.aBoundingBox[2]*1], [result.aBoundingBox[1]*1,result.aBoundingBox[3]*1]];
 152             map.fitBounds(bounds);
 153             if (result.astext && result.astext.match(/(POLY)|(LINE)/) ){
 154                 var geojson_layer = L.geoJson(null, {
 155                     // http://leafletjs.com/reference.html#geojson-style
 156                     style: function(feature) { return { clickable: false, color: 'blue' }; }
 157                 });
 158                 omnivore.wkt.parse(result.astext,null,geojson_layer);
 159                 layerGroup.addLayer(geojson_layer);
 160             }
 161             else {
 162                 // var layer = L.rectangle(bounds, {color: "#ff7800", weight: 1} );
 163                 // layerGroup.addLayer(layer);
 164             }
 165         }
 166         else {
 167             if ( is_reverse_search ){
 168                 // make sure the search coordinates are in the map view as well
 169                 map.fitBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {padding: [50,50], maxZoom: map.getZoom()});
 170
 171                 // better, but causes a leaflet warning
 172                 // map.panInsideBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {animate: false});
 173             }
 174             else {
 175                 map.panTo([result.lat,result.lon], result.zoom || nominatim_map_init.zoom);
 176             }
 177         }
 178
 179         // var crosshairIcon = L.icon({
 180         //  iconUrl:     'images/crosshair.png',
 181         //  iconSize:    [12, 12],
 182         //  iconAnchor:  [6, 6],
 183         // });
 184         // var crossMarker = new L.Marker([result.lat,result.lon], { icon: crosshairIcon, clickable: false});
 185         // layerGroup.addLayer(crossMarker);
 186
 187
 188
 189         if (bool_focus){
 190             $('#map').focus();
 191         }
 192     }
 193
 194
 195     $('.result').on('click', function(e){
 196         highlight_result($(this).data('position'), true);
 197     });
 198
 199     if ( is_reverse_search ){
 200         map.on('click', function(e){
 201             $('form input[name=lat]').val( e.latlng.lat);
 202             $('form input[name=lon]').val( e.latlng.lng);
 203             $('form').submit();
 204         });
 205     }
 206
 207     highlight_result(0, false);
 208
 209
 210 });
 211
 212
 213 jQuery(document).on('ready', function(){
 214
 215     if ( !$('#details-page').length ){ return; }
 216
 217
 218         map = new L.map('map', {
 219                     // center: [nominatim_map_init.lat, nominatim_map_init.lon],
 220                     // zoom:   nominatim_map_init.zoom,
 221                     attributionControl: (nominatim_map_init.tile_attribution && nominatim_map_init.tile_attribution.length),
 222                     scrollWheelZoom:    false,
 223                     touchZoom:          false,
 224                 });
 225
 226
 227         L.tileLayer(nominatim_map_init.tile_url, {
 228             // moved to footer
 229             attribution: (nominatim_map_init.tile_attribution || null ) //'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
 230         }).addTo(map);
 231
 232
 233         var layerGroup = new L.layerGroup().addTo(map);
 234
 235         var circle = L.circleMarker([nominatim_result.lat,nominatim_result.lon], { radius: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75});
 236         map.addLayer(circle);
 237
 238         if ( nominatim_result.outlinestring ){
 239
 240             var geojson_layer = L.geoJson(null, {
 241                 // http://leafletjs.com/reference.html#geojson-style
 242                 style: function(feature) { return { clickable: false, color: 'blue' }; }
 243             });
 244             omnivore.wkt.parse(nominatim_result.outlinestring,null,geojson_layer);
 245             layerGroup.addLayer(geojson_layer);
 246             map.fitBounds(geojson_layer.getBounds());
 247         } else {
 248             map.setView([nominatim_result.lat,nominatim_result.lon],10);
 249         }
 250
 251
 252
 253 });
 254