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              <h1>Shared Realtime Photo Map powered by <a href="https://sanity.io/?utm_source=css-tricks&utm_campaign=csstricks">sanity.io</a></h1>
<div class="wrapper">
    <div id="app">
      <span id="loading">Loading...</span>
    </div>
  </div>
  <footer>
    <p>This is a demo using structured content in <a href="https://sanity.io/?utm_source=css-tricks&utm_campaign=csstricks">sanity.io</a></p>
  </footer>
</div>
            
          
!
            
              :root {
  --primary-color: #aef;
  --background-color: #1d1e22;
  --border-radius: 3px;
}
body {
  padding: 1em;
  line-height: 1.2;
  background: var(--background-color);
  color: #fff;
}

a {
  color: var(--primary-color);
}
.container {
  display: grid;
  grid-gap: 1rem;
  grid-template-columns: 1fr;
  grid-template-areas: 
    "info"
    "dropzone"
    "alert"
    "map";
}
@media only screen and (min-width: 600px) {
  .container {
    grid-template-columns: 5fr 2fr;
  grid-template-areas: 
    "info dropzone"
    "alert alert"
    "map map";
}
}


.leaflet-container {
  grid-area: map;
  position: relative;
  height: 400px;
  width: 100%;
  background: var(--background-color);
}


.info {
  grid-area: info;
}

footer {
  display: block;
}
pre {
  font-size: 11px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}
.preview__image {
 width: 100%;
 margin-bottom: 1rem;
}
.preview__alert {
  padding: 1em;
  background: #ff5f5f;
  margin-bottom: 0.5rem;
  border-radius: var(--border-radius);
}
.dropzone {
  grid-area: dropzone;
  padding: 1em 0;
}

.dropzone__widget {
  margin: 1rem 0;
  padding: 2rem;
  border: 1px #ddd;
  background-color: #aef;
  border-radius: 3px;
  text-align: center;
  fill: rgba(20,50,120,0.5);
  color: #000;
}

.popup__image {
  width: 100%;
  max-width: 500px;
}

button {
  border: 2px solid #aef;
  background: #aef;
  margin-bottom: 0.5rem;
  border-radius: var(--border-radius);
}
.metadata {
  background: #fff;
  color: black;
  width: auto;
  margin: 1em;
  padding: 1em;
  top: 1em;
}
.ReactModal__Overlay--after-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
  max-height: 100vh;
  overflow-y: auto;
  z-index: 9999;
}
            
          
!
            
              // set up React Leaflet
const { Map: LeafletMap, TileLayer, Marker, Popup } = ReactLeaflet

ReactModal.setAppElement('#app')

/**
 * Set up the Sanity client.
 */
const client = SanityClient({
  projectId: 'anokeucs',
  dataset: 'sanitycsstricks',
  useCdn: false
})

/**
 * This is a GROQ query. Learn more at
 * https://docs.sanity.io/
 */
const query = `*[_type == 'sanity.imageAsset' && defined(metadata.location) && !(coalesce(_id in $ids, false))][0..100]|order(_createdAt asc)`

class ImageExample extends React.Component {
  constructor () {
    super()
    this.state = {
      exif: '',
      filesToBeSent: [],
      hasError: false,
      lat: 51.505,
      lng: -0.09,
      preview: null,
      result: [],
      uploaded: false,
      uploading: false,
      zoom: 1
    }

    this.cancelUpload = this.cancelUpload.bind(this)
    this.closeDialog = this.closeDialog.bind(this)
    this.fetchData = this.fetchData.bind(this)
    this.handleDropRejected = this.handleDropRejected.bind(this)
    this.onDrop = this.onDrop.bind(this)
    this.openDialog = this.openDialog.bind(this)
    this.uploadImages = this.uploadImages.bind(this)
  }
  componentDidCatch (error, info) {
    // Display fallback UI
    this.setState({ hasError: true })
    // You can also log the error to an error reporting service
    console.error(error, info)
  }
  componentDidMount () {
    // Do the initial datafetching
    this.fetchData()
    // Set up an listener
    const subscription = client
      .listen(query, { ids: this.state.result.map(({ _id }) => _id) })
      .subscribe(({ result }) => this.fetchData(result))
  }
  cancelUpload () {
    this.setState({ preview: '', filesToBeSent: [], uploaded: false })
  }

  fetchData (newResult) {
    const { result = [] } = this.state
    client
      .fetch(query, { ids: result.map(({ _id }) => _id) })
      .then((result = []) => {
        const renderResults = [...result, ...this.state.result]
        this.setState({
          result: newResult ? [...renderResults, newResult] : renderResults
        })
      })
      .catch(console.error)
  }
  handleDropRejected (...args) {
    console.log('reject', args)
    this.setState({ uploading: false, uploaded: false })
  }
  onDrop (acceptedFiles, rejectedFiles) {
    const [{ preview }] = acceptedFiles
    let filesToBeSent = this.state.filesToBeSent
    filesToBeSent.push(acceptedFiles)
    this.setState({ filesToBeSent, preview })
  }
  openDialog(_id) {
    this.setState({ showModal: _id })
  }
  closeDialog(_id) {
    this.setState({ showModal: '' })
  }

  uploadImages () {
    const { filesToBeSent = [] } = this.state
    this.setState({ uploading: true })
    filesToBeSent.forEach(file => {
      client.assets
        .upload('image', file[0], { extract: ['palette', 'location', 'exif'] })
        .then(document => {
          if (!document.metadata.location) {
            this.setState({ missingLocation: true })
          }
          this.setState({ uploading: false, uploaded: true })
        })
        .catch(error => {
          console.error("¯_(ツ)_/¯ Something didn't work:", error.message)
          this.setState({ uploading: false })
        })
    })
  }

  render () {
    const {
      result = [],
      preview = '',
      uploading = false,
      uploaded = false,
      exif = {},
      lat,
      lng,
      missingLocation
    } = this.state
    const position = [lat, lng]

    return (
      <div className="container">
        <article className="info">      
      <p>
        Upload a photo with geolocation data to see it on the map below.</p><p><em>Be mindful that you'll be sharing the location data!</em> <br />If you want to have your photo deleted, <a href="mailto:knut@sanity.io">tell us</a>!
      </p>
    </article>
        <div className="dropzone">
        {!preview &&
          Dropzone && (
            <Dropzone
              className="dropzone__widget"
              onDrop={this.onDrop}
              accept="image/jpeg,image/jpg,image/tiff,image/gif"
              multiple={false}
              onDropRejected={this.handleDropRejected}
            >
            <svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'>
              <path d='M0 0h24v24H0z' fill='none' />
              <path d='M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96zM14 13v4h-4v-4H7l5-5 5 5h-3z' />
            </svg><br />
              Drag a photo here with location data or click this square to
              activate a file uploader!
            </Dropzone>
          )}
        {preview &&
          !uploaded && (
            <div className="preview">
              <img
                className="preview__image"
                src={preview}
                alt="image preview"
              />
              <button
                className="preview__button"
                onClick={this.uploadImages}
                disabled={uploading}
              >
                {uploading ? 'Uploading…' : 'Upload!'}
              </button>
            </div>
          )}
        {uploaded &&
          missingLocation && (
            <div className="preview__alert">
              <strong>🤪Whooops…</strong><br />This photo didn't have any geolocation location data. Try another one?
            </div>
          )}
        {preview && (
          <button className="preview__button" onClick={this.cancelUpload}>
            Upload another photo
          </button>
        )}
        </div>

        <LeafletMap
          scrollWheelZoom={false}
          center={position}
          zoom={this.state.zoom}
        >
          <TileLayer
            attribution="&copy; <a href=&quot;http://osm.org/copyright&quot;>OpenStreetMap</a> contributors"
            url="http://{s}.tile.osm.org/{z}/{x}/{y}.png"
          />
          {result &&
            result.map(
              ({ _id, url = '', metadata: { exif, location = {} } = {} }) => (
                <div key={_id}>
                  <Marker position={[location.lat, location.lon]}>
                    <Popup>
                      <img className="popup__image" src={`${url}?w=150`} />
                      <button onClick={() => this.openDialog(_id)}>
                        See EXIF details
                      </button>.
                    </Popup>
                  </Marker>{' '}
<ReactModal
              isOpen={this.state.showModal === _id}
              contentLabel="Minimal Modal Example"
              id={_id}
              OnAfterClose={() => document.body.style.overflow = 'hidden' }
OnRequestClose={() => document.body.removeAttribute('style') }
              className="metadata"
            >
                    <button onClick={() => this.closeDialog(_id)}>Close</button>
  <div>
                    <img className="popup__image" src={`${url}?w=500`} />
                    <pre>{JSON.stringify(exif, null, 2)}</pre>
  </div>
                  </ReactModal>
                </div>
              )
            )}
        </LeafletMap>
      </div>
    )
  }
}

ReactDOM.render(<ImageExample />, document.getElementById('app'))

            
          
!
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