Hover cursor tooltip

by Leespiker

HTML

<script src="https://unpkg.com/[email protected]/dist/vue.js"></script>
<script src="https://unpkg.com/[email protected]/dist/ol.js"></script>
<script src="https://unpkg.com/[email protected]/lib/index.umd.js"></script>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/lib/style.min.css">
<script src="https://rawgit.com/icebob/fakerator/master/dist/fakerator.js"></script>
<div id="app">
  <button @click="toggle">
    Toggle
  </button>
  <vl-map ref="map" data-projection="EPSG:4326" @pointermove="onMapPointerMove" :style="{cursor: mapCursor}" v-if="showMap">
    <vl-view :zoom.sync="zoom" :center.sync="center"></vl-view>
  
    <vl-layer-tile>
      <vl-source-osm></vl-source-osm>
    </vl-layer-tile>
    
    <vl-layer-vector ref="featuresLayer">
      <vl-source-vector :features="features"></vl-source-vector>
    </vl-layer-vector>
    
    <vl-overlay v-if="currentPosition" :position="currentPosition">
      <template>
      <div style="background: #fff; box-shadow: 2px 2px 10px rgba(2,2,2,0.1); padding: 2px">
      {{ currentName }}
      </div>
      </template>
    </vl-overlay>
  </vl-map>
</div>

CSS

html, body, #app {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

JavaScript

Vue.use(VueLayers)

let fakerator = Fakerator()

// external loaded features
let features = [
	{
      "type": "Feature",
      "id": 1,
      "properties": {
        "special": true,
        name: 'one'
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -30.761718749999996,
          58.90464570302001
        ]
      }
    },
    {
      "type": "Feature",
      "id": 2,
      "properties": {
      	"special": true,
        name: 'two'
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          36.73828124999999,
          44.59046718130883
        ]
      }
    },
    {
      "type": "Feature",
      "id": 3,
      "properties": {
        "special": false,
        name: 'three'
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -23.37890625,
          32.10118973232094
        ]
      }
    }
]

new Vue({
	el: '#app',
  methods: {
    onMapPointerMove ({ pixel }) {
      let hitFeature = this.$refs.map.forEachFeatureAtPixel(pixel, feature => feature)

			if (hitFeature) {
      	this.mapCursor = 'pointer'
        this.currentPosition = ol.proj.transform(hitFeature.getGeometry().getCoordinates(), 'EPSG:3857', 'EPSG:4326')
        this.currentName = hitFeature.get('name')
      } else {
      	this.mapCursor = 'default'
        this.currentPosition = this.currentName = undefined
      }
    },
    toggle () {
    	this.showMap = !this.showMap
    }
  },
  data () {
  	return {
    	zoom: 3,
      center: [-10, 35],
      features: features,
      currentPosition: undefined,
      currentName: undefined,
      mapCursor: 'default',
      showMap: true
    }
  },
})