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