src/components/SearchBar.svelte

   1 <script>
   2
   3   import { zoomLevels } from '../lib/helpers.js';
   4   import { map_store } from '../lib/stores.js';
   5   import { get } from 'svelte/store';
   6
   7   export let bStructuredSearch = false;
   8   export let reverse_search = false;
   9   export let api_request_params = {};
  10   let sViewBox;
  11
  12   function map_viewbox_as_string(map) {
  13     var bounds = map.getBounds();
  14     var west = bounds.getWest();
  15     var east = bounds.getEast();
  16
  17     if ((east - west) >= 360) { // covers more than whole planet
  18       west = map.getCenter().lng - 179.999;
  19       east = map.getCenter().lng + 179.999;
  20     }
  21     east = L.latLng(77, east).wrap().lng;
  22     west = L.latLng(77, west).wrap().lng;
  23
  24     return [
  25       west.toFixed(5), // left
  26       bounds.getNorth().toFixed(5), // top
  27       east.toFixed(5), // right
  28       bounds.getSouth().toFixed(5) // bottom
  29     ].join(',');
  30   }
  31
  32   function set_viewbox(map) {
  33     let set_viewbox = document.getElementById('use_viewbox');
  34     if (set_viewbox && set_viewbox.checked) {
  35       sViewBox = map_viewbox_as_string(map);
  36     } else {
  37       sViewBox = '';
  38     }
  39   }
  40
  41   function update_reverse_link(map) {
  42     let link = document.getElementById('switch-to-reverse');
  43     if (link) {
  44       let center_lat_lng = map.wrapLatLng(map.getCenter());
  45       link.href = 'reverse.html?lat=' + center_lat_lng.lat.toFixed(5) + '&lon=' + center_lat_lng.lng.toFixed(5);
  46     }
  47   }
  48
  49   map_store.subscribe(map => {
  50     if(!map) { return; }
  51
  52     map.on('move', function () {
  53       set_viewbox(map);
  54       update_reverse_link(map)
  55     });
  56
  57     map.on('load', function () {
  58       set_viewbox(map);
  59       update_reverse_link(map)
  60     });
  61
  62     map.on('click', function (e) {
  63       if (reverse_search) {
  64         document.querySelector('input[name=lat]').value = e.latlng.lat.toFixed(5);
  65         document.querySelector('input[name=lon]').value = e.latlng.wrap().lng.toFixed(5);
  66         document.querySelector('form').submit();
  67       }
  68     });
  69   });
  70
  71   function reset_viewbox() {
  72     let map = get(map_store);
  73     if (map) { set_viewbox(map) };
  74   }
  75
  76   function set_bounded(e) {
  77     console.log('setting', e.target);
  78     document.querySelector('input[name=bounded]').value = e.target.checked ? 1 : '';
  79   }
  80
  81   function set_dedupe(e) {
  82     document.querySelector('input[name=dedupe]').value = e.target.checked ? 1 : '';
  83   }
  84
  85   function set_api_param(e){
  86     document.querySelector('input[name=' + e.target.dataset['apiParam'] + ']').value = e.target.value;
  87   }
  88
  89   function handleSwitchCoords() {
  90     let lat = document.querySelector('input[name=lat]').value;
  91     let lon = document.querySelector('input[name=lon]').value;
  92     document.querySelector('input[name=lat]').value = lon;
  93     document.querySelector('input[name=lon]').value = lat;
  94     document.querySelector('form').submit();
  95   }
  96 </script>
  97
  98 {#if reverse_search}
  99   <div class="top-bar">
 100     <form class="form-inline" role="search" accept-charset="UTF-8" action="">
 101       <div class="form-group">
 102         <input name="format" type="hidden" value="html">
 103         <label for="reverse-lat">lat</label>
 104         <input id="reverse-lat"
 105                name="lat"
 106                type="text"
 107                class="form-control form-control-sm"
 108                placeholder="latitude"
 109                value="{api_request_params.lat || ''}" />
 110         <a id="switch-coords"
 111            on:click|preventDefault|stopPropagation={handleSwitchCoords}
 112            class="btn btn-outline-secondary btn-sm"
 113            title="switch lat and lon">&lt;&gt;</a>
 114         <label for="reverse-lon">lon</label>
 115         <input id="reverse-lon"
 116                name="lon"
 117                type="text"
 118                class="form-control form-control-sm"
 119                placeholder="longitude"
 120                value="{api_request_params.lon || ''}" />
 121         <label for="reverse-zoom">max zoom</label>
 122         <select id="reverse-zoom" name="zoom" class="form-control form-control-sm" value="{api_request_params.zoom}">
 123           <option value="" selected={!api_request_params.zoom}>---</option>
 124           {#each zoomLevels() as zoomTitle, i}
 125             <option value="{i}" selected={i === api_request_params.zoom}>{i} - {zoomTitle}</option>
 126           {/each}
 127         </select>
 128         <button type="submit" class="btn btn-primary btn-sm mx-1">
 129           Search
 130         </button>
 131       </div>
 132       <div class="search-type-link">
 133         <a href="details.html" class="mr-2">search by id</a>
 134         <a href="search.html">forward search</a>
 135       </div>
 136     </form>
 137   </div>
 138
 139 {:else}
 140
 141   <div class="top-bar">
 142     <ul class="nav nav-tabs">
 143       <li class="nav-item">
 144         <a class="nav-link" class:active={!bStructuredSearch} data-toggle="tab" href="#simple">simple</a>
 145       </li>
 146       <li class="nav-item">
 147         <a class="nav-link" class:active={bStructuredSearch} data-toggle="tab" href="#structured">structured</a>
 148       </li>
 149       <div class="search-type-link">
 150         <a href="details.html" class="mr-2">search by id</a>
 151         <a id="switch-to-reverse" href="reverse.html">reverse search</a>
 152       </div>
 153     </ul>
 154     <div class="tab-content p-2">
 155       <div class="tab-pane" class:active={!bStructuredSearch} id="simple" role="tabpanel">
 156         <form class="form-inline" role="search" accept-charset="UTF-8" action="">
 157           <input id="q"
 158                  name="q"
 159                  type="text"
 160                  class="form-control form-control-sm"
 161                  placeholder="Search"
 162                  value="{api_request_params.q || ''}" />
 163
 164           <div class="form-group search-button-group">
 165             <button type="submit" class="btn btn-primary btn-sm mx-1">Search</button>
 166             <input type="hidden" name="viewbox" value="{sViewBox || ''}" />
 167             <input type="hidden" name="dedupe" value="{!api_request_params.dedupe ? '' : 1}" />
 168             <input type="hidden" name="bounded" value="{api_request_params.bounded ? 1 : ''}" />
 169             <input type="hidden" name="accept-language" value="{api_request_params['accept-language'] || ''}" />
 170             <input type="hidden" name="countrycodes" value="{api_request_params.countrycodes || ''}" />
 171             <input type="hidden" name="limit" value="{api_request_params.limit || ''}" />
 172             <input type="hidden" name="polygon_threshold" value="{api_request_params.polygon_threshold || ''}" />
 173           </div>
 174         </form>
 175       </div>
 176       <div class="tab-pane" class:active={bStructuredSearch} id="structured" role="tabpanel">
 177         <form class="form-inline" role="search" accept-charset="UTF-8" action="">
 178           <input name="street" type="text" class="form-control form-control-sm mr-1"
 179                  placeholder="House number/Street"
 180                  value="{api_request_params.street || ''}" />
 181           <input name="city" type="text" class="form-control form-control-sm mr-1"
 182                  placeholder="City"
 183                  value="{api_request_params.city || ''}" />
 184           <input id="county" name="county" type="text" class="form-control form-control-sm mr-1"
 185                  placeholder="County"
 186                  value="{api_request_params.county || ''}" />
 187           <input name="state" type="text" class="form-control form-control-sm mr-1"
 188                  placeholder="State"
 189                  value="{api_request_params.state || ''}" />
 190           <input name="country" type="text" class="form-control form-control-sm mr-1"
 191                  placeholder="Country"
 192                  value="{api_request_params.country || ''}" />
 193           <input name="postalcode" type="text" class="form-control form-control-sm mr-1"
 194                  placeholder="Postal Code"
 195                  value="{api_request_params.postalcode || ''}" />
 196
 197           <div class="form-group search-button-group">
 198             <button type="submit" class="btn btn-primary btn-sm mx-1">Search</button>
 199             <input type="hidden" name="viewbox" value="{sViewBox || ''}" />
 200             <input type="hidden" name="dedupe" value="{!api_request_params.dedupe ? '' : 1}" />
 201             <input type="hidden" name="bounded" value="{api_request_params.bounded ? 1 : ''}" />
 202             <input type="hidden" name="accept-language" value="{api_request_params['accept-language'] || ''}" />
 203             <input type="hidden" name="countrycodes" value="{api_request_params.countrycodes || ''}" />
 204             <input type="hidden" name="limit" value="{api_request_params.limit || ''}" />
 205             <input type="hidden" name="polygon_threshold" value="{api_request_params.polygon_threshold || ''}" />
 206           </div>
 207         </form>
 208       </div>
 209       <!-- Additional options -->
 210       <a href="#advanced" class="btn btn-outline-secondary btn-sm" data-toggle="collapse" data-target="#searchAdvancedOptions" role="button" aria-expanded="false" aria-controls="collapseAdvancedOptions">
 211         Advanced options
 212       </a>
 213       <div class="collapse" id="searchAdvancedOptions">
 214         <div id="searchAdvancedOptionsContent">
 215             <div class="form-check form-check-inline">
 216               <span><input type="checkbox" class="form-check-input api-param-setting"
 217                      id="use_viewbox" checked={api_request_params.viewbox} on:change={reset_viewbox}>
 218               <label class="form-check-label" for="use_viewbox">apply viewbox</label></span>
 219               <span><input type="checkbox" class="form-check-input api-param-setting"
 220                      id="option_bounded" checked={!!api_request_params.bounded} on:change={set_bounded}>
 221               <label class="form-check-label" for="option_bounded">bounded to viewbox</label></span>
 222               <span><input type="checkbox" class="form-check-input api-param-setting"
 223                      id="option_dedupe" checked={!!api_request_params.dedupe} on:change={set_dedupe}>
 224               <label class="form-check-label" for="option_dedupe">deduplicate results</label></span>
 225             </div>
 226             <div class="form-check form-check-inline">
 227               <span><label class="form-check-label" for="option_limit">Maximum number of results: </label>
 228               <input type="number" class="form-check-input api-param-setting" data-api-param="limit" id="option_limit" size="5" min="1" max="50" value="{api_request_params.limit || ''}" on:change={set_api_param}></span>
 229               <span><label class="form-check-label" for="option_polygon_threashold">Polygon simplification: </label>
 230               <input type="number" class="form-check-input api-param-setting" data-api-param="polygon_threshold" id="option_polygon_threshold" size="5" min="0.0" step="0.01" value="{api_request_params.polygon_threshold || ''}" on:change={set_api_param}></span>
 231             </div>
 232             <div class="form-check form-check-inline">
 233               <span><label class="form-check-label" for="accept_lang">Languages: </label>
 234               <input type="text" placeholder="e.g. en,zh-Hant" class="form-check-input api-param-setting" data-api-param="accept-language" id="accept_lang" size="15" value="{api_request_params['accept-language'] || ''}" on:change={set_api_param}></span>
 235               <span><label class="form-check-label" for="option_ccode">Countries: </label>
 236               <input type="text" placeholder="e.g. de,gb" class="form-check-input api-param-setting" data-api-param="countrycodes" id="option_ccode" size="15" value="{api_request_params.countrycodes || ''}" on:change={set_api_param}></span>
 237             </div>
 238          </div>
 239       </div>
 240     </div> <!-- /tab-content -->
 241   </div> <!-- /top-bar -->
 242 {/if}
 243
 244 <style>
 245   .top-bar {
 246     width: 100%;
 247     padding: 1em 15px;
 248   }
 249
 250   .top-bar #q {
 251     max-width: 500px;
 252   }
 253
 254   .tab-content {
 255     border: 1px solid #ddd;
 256     border-top: none;
 257     display: flex;
 258     align-items: baseline
 259   }
 260
 261   form #q {
 262     min-width: 500px;
 263   }
 264   @media (max-width: 850px) {
 265     form #q {
 266       min-width: 400px;
 267     }
 268   }
 269
 270   label {
 271     font-weight: normal;
 272   }
 273
 274   #searchAdvancedOptionsContent {
 275     display: flex;
 276     flex-direction: column;
 277     padding: 0 10px
 278   }
 279
 280   #searchAdvancedOptionsContent label {
 281     padding: 0 3px;
 282   }
 283
 284   #searchAdvancedOptionsContent span {
 285     padding: 4px 10px;
 286   }
 287
 288   form label {
 289     margin-left: 0.4rem;
 290     margin-right: 0.4rem;
 291   }
 292
 293
 294   .search-type-link {
 295     display: inline;
 296     margin-right: 2em;
 297     position: absolute;
 298     right: 0
 299   }
 300
 301   #switch-coords {
 302     font-size: 0.6rem;
 303     font-weight: bold;
 304     cursor: pointer;
 305     padding: 2px;
 306     margin: 5px;
 307   }
 308
 309
 310
 311
 312   @media (max-width: 768px) {
 313     .search-button-group {
 314       display: inline;
 315     }
 316   }
 317 </style>