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
  76         var reverse_params = {
  77             lat: map.getCenter().lat.toFixed(5),
  78             lon: map.getCenter().lng.toFixed(5),
  79             zoom: map.getZoom(),
  80             format: 'html'
  81         }
  82         $('#switch-to-reverse').attr('href', 'reverse.php?' + $.param(reverse_params));
  83
  84         $('input#use_viewbox').trigger('change');
  85     }
  86
  87     function update_viewbox_field(){
  88         // hidden HTML field
  89         $('input[name=viewbox]').val( $('input#use_viewbox').prop('checked') ? map_viewbox_as_string() : '');
  90     }
  91
  92     map.on('move', function(e) {
  93         display_map_position();
  94         update_viewbox_field();
  95     });
  96
  97     map.on('mousemove', function(e) {
  98         display_map_position(e.latlng);
  99     });
 100
 101     map.on('click', function(e) {
 102         last_click_latlng = e.latlng;
 103         display_map_position();
 104     });
 105
 106     map.on('load', function(e){
 107         display_map_position();
 108     });
 109
 110
 111     $('input#use_viewbox').on('change', function(){
 112         update_viewbox_field();
 113     });
 114
 115
 116
 117     function map_viewbox_as_string() {
 118         // since .toBBoxString() doesn't round numbers
 119         return [
 120             map.getBounds().getSouthWest().lng.toFixed(5), // left
 121             map.getBounds().getNorthEast().lat.toFixed(5), // top
 122             map.getBounds().getNorthEast().lng.toFixed(5), // right
 123             map.getBounds().getSouthWest().lat.toFixed(5)  // bottom
 124         ].join(',');
 125     }
 126     function map_link_to_osm(){
 127         return "http://openstreetmap.org/#map=" + map.getZoom() + "/" + map.getCenter().lat + "/" + map.getCenter().lng;
 128     }
 129
 130     function get_result_element(position){
 131         return $('.result').eq(position);
 132     }
 133     function marker_for_result(result){
 134         return L.marker([result.lat,result.lon], {riseOnHover:true,title:result.name });
 135     }
 136     function circle_for_result(result){
 137         return L.circleMarker([result.lat,result.lon], { radius: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75, clickable: !is_reverse_search});
 138     }
 139
 140     var layerGroup = new L.layerGroup().addTo(map);
 141     function highlight_result(position, bool_focus){
 142         var result = nominatim_results[position];
 143         if (!result){ return }
 144         var result_el = get_result_element(position);
 145
 146         $('.result').removeClass('highlight');
 147         result_el.addClass('highlight');
 148
 149         layerGroup.clearLayers();
 150
 151         if (result.lat){
 152             var circle = circle_for_result(result);
 153             circle.on('click', function(){
 154                 highlight_result(position);
 155             });
 156             layerGroup.addLayer(circle);
 157         }
 158         if (result.aBoundingBox){
 159
 160             var bounds = [[result.aBoundingBox[0]*1,result.aBoundingBox[2]*1], [result.aBoundingBox[1]*1,result.aBoundingBox[3]*1]];
 161             map.fitBounds(bounds);
 162             if (result.astext && result.astext.match(/(POLY)|(LINE)/) ){
 163                 var geojson_layer = L.geoJson(null, {
 164                     // http://leafletjs.com/reference.html#geojson-style
 165                     style: function(feature) { return { clickable: false, color: 'blue' }; }
 166                 });
 167                 omnivore.wkt.parse(result.astext,null,geojson_layer);
 168                 layerGroup.addLayer(geojson_layer);
 169             }
 170             else {
 171                 // var layer = L.rectangle(bounds, {color: "#ff7800", weight: 1} );
 172                 // layerGroup.addLayer(layer);
 173             }
 174         }
 175         else {
 176             if ( is_reverse_search ){
 177                 // make sure the search coordinates are in the map view as well
 178                 map.fitBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {padding: [50,50], maxZoom: map.getZoom()});
 179
 180                 // better, but causes a leaflet warning
 181                 // map.panInsideBounds([[result.lat,result.lon], [nominatim_map_init.lat,nominatim_map_init.lon]], {animate: false});
 182             }
 183             else {
 184                 map.panTo([result.lat,result.lon], result.zoom || nominatim_map_init.zoom);
 185             }
 186         }
 187
 188         // var crosshairIcon = L.icon({
 189         //  iconUrl:     'images/crosshair.png',
 190         //  iconSize:    [12, 12],
 191         //  iconAnchor:  [6, 6],
 192         // });
 193         // var crossMarker = new L.Marker([result.lat,result.lon], { icon: crosshairIcon, clickable: false});
 194         // layerGroup.addLayer(crossMarker);
 195
 196
 197
 198         if (bool_focus){
 199             $('#map').focus();
 200         }
 201     }
 202
 203
 204     $('.result').on('click', function(e){
 205         highlight_result($(this).data('position'), true);
 206     });
 207
 208     if ( is_reverse_search ){
 209         map.on('click', function(e){
 210             $('form input[name=lat]').val( e.latlng.lat);
 211             $('form input[name=lon]').val( e.latlng.lng);
 212             $('form').submit();
 213         });
 214
 215         $('#switch-coords').on('click', function(e){
 216             var lat = $('form input[name=lat]').val();
 217             var lon = $('form input[name=lon]').val();
 218             $('form input[name=lat]').val(lon);
 219             $('form input[name=lon]').val(lat);
 220             $('form').submit();
 221         });
 222     }
 223
 224     highlight_result(0, false);
 225
 226
 227 });
 228
 229
 230 jQuery(document).on('ready', function(){
 231
 232     if ( !$('#details-page').length ){ return; }
 233
 234
 235         map = new L.map('map', {
 236                     // center: [nominatim_map_init.lat, nominatim_map_init.lon],
 237                     // zoom:   nominatim_map_init.zoom,
 238                     attributionControl: (nominatim_map_init.tile_attribution && nominatim_map_init.tile_attribution.length),
 239                     scrollWheelZoom:    false,
 240                     touchZoom:          false,
 241                 });
 242
 243
 244         L.tileLayer(nominatim_map_init.tile_url, {
 245             // moved to footer
 246             attribution: (nominatim_map_init.tile_attribution || null ) //'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
 247         }).addTo(map);
 248
 249
 250         var layerGroup = new L.layerGroup().addTo(map);
 251
 252         var circle = L.circleMarker([nominatim_result.lat,nominatim_result.lon], { radius: 10, weight: 2, fillColor: '#ff7800', color: 'blue', opacity: 0.75});
 253         map.addLayer(circle);
 254
 255         if ( nominatim_result.outlinestring ){
 256
 257             var geojson_layer = L.geoJson(null, {
 258                 // http://leafletjs.com/reference.html#geojson-style
 259                 style: function(feature) { return { clickable: false, color: 'blue' }; }
 260             });
 261             omnivore.wkt.parse(nominatim_result.outlinestring,null,geojson_layer);
 262             layerGroup.addLayer(geojson_layer);
 263             map.fitBounds(geojson_layer.getBounds());
 264         } else {
 265             map.setView([nominatim_result.lat,nominatim_result.lon],10);
 266         }
 267
 268
 269
 270 });
 271