From b67b34928a415522253f9625e455df329aa70e8e Mon Sep 17 00:00:00 2001
From: Dean <deanhannigan@gmail.com>
Date: Tue, 8 Mar 2022 16:41:21 +0000
Subject: [PATCH] Initial Commit for Issue/3819. World map component added and
 a small change to the Component draggable behaviour to accomodate it.

---
 .eslintrc.json                                |   3 +
 .../design/AppPreview/componentStructure.json |   3 +-
 packages/client/manifest.json                 |  76 +++++
 packages/client/package.json                  |   2 +
 .../client/src/components/Component.svelte    |   7 +-
 .../src/components/app/EmbeddedMap.svelte     | 266 ++++++++++++++++++
 .../src/components/app/EmbeddedMapControls.js | 192 +++++++++++++
 packages/client/src/components/app/index.js   |   1 +
 8 files changed, 548 insertions(+), 2 deletions(-)
 create mode 100644 packages/client/src/components/app/EmbeddedMap.svelte
 create mode 100644 packages/client/src/components/app/EmbeddedMapControls.js

diff --git a/.eslintrc.json b/.eslintrc.json
index 4dc11c0d65..8f4f68036b 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -28,5 +28,8 @@
   ],
   "rules": {
     "no-self-assign": "off"
+  },
+  "globals": {
+    "GeolocationPositionError": true
   }
 }
diff --git a/packages/builder/src/components/design/AppPreview/componentStructure.json b/packages/builder/src/components/design/AppPreview/componentStructure.json
index cacd70a89b..6873ae547d 100644
--- a/packages/builder/src/components/design/AppPreview/componentStructure.json
+++ b/packages/builder/src/components/design/AppPreview/componentStructure.json
@@ -82,7 +82,8 @@
       "link",
       "icon",
       "embed",
-      "markdownviewer"
+      "markdownviewer",
+      "embeddedmap"
     ]
   }
 ]
diff --git a/packages/client/manifest.json b/packages/client/manifest.json
index d8e589588f..11c927700e 100644
--- a/packages/client/manifest.json
+++ b/packages/client/manifest.json
@@ -2474,6 +2474,82 @@
       }
     ]
   },
+  "embeddedmap": {
+    "name": "Embedded Map",
+    "icon": "Location",
+    "styles": ["size"],
+    "editable": true,
+    "draggable": false,
+    "illegalChildren": [
+      "section"
+    ],
+    "settings": [
+      {
+        "type": "dataProvider",
+        "label": "Provider",
+        "key": "dataProvider"
+      },
+      {
+        "type": "select",
+        "label": "Map Type",
+        "key": "mapType",
+        "options": [
+          "Roadmap",
+          "Terrain",
+          "Satellite",
+          "Hybrid"
+        ],
+        "defaultValue": "Roadmap"
+      },
+      {
+        "type": "boolean",
+        "label": "Enable Fullscreen",
+        "key": "fullScreenEnabled",
+        "defaultValue": true
+      },
+      {
+        "type": "boolean",
+        "label": "Enabled Location",
+        "key": "locationEnabled",
+        "defaultValue": false
+      },
+      {
+        "type": "boolean",
+        "label": "Enable Zoom",
+        "key": "zoomEnabled",
+        "defaultValue": true
+      },
+      {
+        "type": "number",
+        "label": "Zoom Level (0-100)",
+        "key": "zoomLevel",
+        "defaultValue": 72,
+        "max" : 100,
+        "min" : 0
+      },
+      {
+        "type": "field",
+        "label": "Latitude Key",
+        "key": "latitudeKey"
+      },
+      {
+        "type": "field",
+        "label": "Longitude Key",
+        "key": "longitudeKey"
+      },
+      {
+        "type": "field",
+        "label": "Title Key",
+        "key": "titleKey"
+      },
+      {
+        "type": "text",
+        "label": "Tile URL",
+        "key": "tileURL",
+        "defaultValue": "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
+      }
+    ]
+  },
   "attachmentfield": {
     "name": "Attachment",
     "icon": "Attach",
diff --git a/packages/client/package.json b/packages/client/package.json
index 8772b9135f..16a2f34c8e 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -32,8 +32,10 @@
     "@spectrum-css/vars": "^3.0.1",
     "apexcharts": "^3.22.1",
     "dayjs": "^1.10.5",
+    "leaflet": "^1.7.1",
     "regexparam": "^1.3.0",
     "rollup-plugin-polyfill-node": "^0.8.0",
+    "screenfull": "^6.0.1",
     "shortid": "^2.2.15",
     "svelte": "^3.38.2",
     "svelte-apexcharts": "^1.0.2",
diff --git a/packages/client/src/components/Component.svelte b/packages/client/src/components/Component.svelte
index 78fff52426..e4176587ee 100644
--- a/packages/client/src/components/Component.svelte
+++ b/packages/client/src/components/Component.svelte
@@ -103,7 +103,12 @@
     ($builderStore.previewType === "layout" || insideScreenslot) &&
     !isBlock
   $: editing = editable && selected && $builderStore.editMode
-  $: draggable = !inDragPath && interactive && !isLayout && !isScreen
+  $: draggable =
+    !inDragPath &&
+    interactive &&
+    !isLayout &&
+    !isScreen &&
+    definition?.draggable !== false
   $: droppable = interactive && !isLayout && !isScreen
 
   // Empty components are those which accept children but do not have any.
diff --git a/packages/client/src/components/app/EmbeddedMap.svelte b/packages/client/src/components/app/EmbeddedMap.svelte
new file mode 100644
index 0000000000..63b98ba651
--- /dev/null
+++ b/packages/client/src/components/app/EmbeddedMap.svelte
@@ -0,0 +1,266 @@
+<script>
+  import L from "leaflet"
+  import "leaflet/dist/leaflet.css"
+  import { Helpers } from "@budibase/bbui"
+  import { getContext } from "svelte"
+  import {
+    FullScreenControl,
+    LocationControl,
+    initMapControls,
+  } from "./EmbeddedMapControls"
+
+  initMapControls()
+
+  export let dataProvider
+  export let error
+  export let zoomLevel
+  export let zoomEnabled = true
+  export let latitudeKey = null
+  export let longitudeKey = null
+  export let titleKey = null
+  export let fullScreenEnabled = true
+  export let locationEnabled = true
+  export let tileURL = "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
+
+  const { styleable, notificationStore } = getContext("sdk")
+  const component = getContext("component")
+  const embeddedMapId = `${Helpers.uuid()}-wrapper`
+
+  let cachedDeviceCoordinates
+
+  let mapInstance
+  let mapMarkerGroup = new L.FeatureGroup()
+  let mapMarkers = []
+
+  let minZoomLevel = 0
+  let maxZoomLevel = 18
+  let adjustedZoomLevel = !Number.isInteger(zoomLevel)
+    ? 72
+    : Math.round(zoomLevel * (maxZoomLevel / 100))
+
+  $: addMapMarkers(
+    mapInstance,
+    dataProvider?.rows,
+    latitudeKey,
+    longitudeKey,
+    titleKey
+  )
+  $: if (typeof mapInstance === "object" && mapMarkers.length > 0) {
+    mapInstance.setZoom(0)
+    mapInstance.fitBounds(mapMarkerGroup.getBounds())
+  }
+  $: zoomControlUpdated(mapInstance, zoomEnabled)
+  $: locationControlUpdated(mapInstance, locationEnabled)
+  $: fullScreenControlUpdated(mapInstance, fullScreenEnabled)
+  $: updateMapDimensions(
+    mapInstance,
+    $component.styles.normal.width,
+    $component.styles.normal.height
+  )
+
+  const updateMapDimensions = mapInstance => {
+    if (typeof mapInstance !== "object") {
+      return
+    }
+    mapInstance.invalidateSize()
+  }
+
+  // Map Button Controls
+  let locationControl = new LocationControl({
+    position: "bottomright",
+    onLocationFail: err => {
+      if (err.code === GeolocationPositionError.PERMISSION_DENIED) {
+        notificationStore.actions.error(
+          "Location requests not permitted. Ensure location is enabled"
+        )
+      } else if (err.code === GeolocationPositionError.POSITION_UNAVAILABLE) {
+        notificationStore.actions.warning(
+          "Location could not be retrieved. Try again"
+        )
+      } else if (err.code === GeolocationPositionError.TIMEOUT) {
+        notificationStore.actions.warning(
+          "Location request timed out. Try again"
+        )
+      } else {
+        notificationStore.actions.error("Unknown location error")
+      }
+    },
+    onLocationSuccess: pos => {
+      cachedDeviceCoordinates = pos
+      if (typeof mapInstance === "object") {
+        mapInstance.setView(cachedDeviceCoordinates, 15)
+      }
+    },
+  })
+  let fullScreenControl = new FullScreenControl({
+    position: "topright",
+  })
+  let zoomControl = L.control.zoom({
+    position: "bottomright",
+  })
+
+  const locationControlUpdated = (mapInstance, locationEnabled) => {
+    if (typeof mapInstance !== "object") {
+      return
+    }
+    if (locationEnabled) {
+      locationControl.addTo(mapInstance)
+    } else {
+      mapInstance.removeControl(locationControl)
+    }
+  }
+
+  const fullScreenControlUpdated = (mapInstance, fullScreenEnabled) => {
+    if (typeof mapInstance !== "object") {
+      return
+    }
+    if (fullScreenEnabled) {
+      fullScreenControl.addTo(mapInstance)
+    } else {
+      mapInstance.removeControl(fullScreenControl)
+    }
+  }
+
+  const zoomControlUpdated = (mapInstance, zoomEnabled) => {
+    if (typeof mapInstance !== "object") {
+      return
+    }
+    if (zoomEnabled) {
+      zoomControl.addTo(mapInstance)
+      mapInstance.scrollWheelZoom.enable()
+    } else {
+      mapInstance.removeControl(zoomControl)
+      mapInstance.scrollWheelZoom.disable()
+    }
+  }
+
+  //Map icon and marker configuration
+  const mapIconMarkup =
+    '<div><svg width="26px" height="26px" class="spectrum-Icon" focusable="false" stroke="#b12b27" stroke-width="1%">' +
+    '<use xlink:href="#spectrum-icon-18-Location" /></svg></div>'
+  const mapIcon = L.divIcon({
+    html: mapIconMarkup,
+    className: "embedded-map-marker",
+    iconSize: [26, 26],
+    iconAnchor: [13, 26],
+    popupAnchor: [0, -13],
+  })
+  const mapMarkerOptions = {
+    icon: mapIcon,
+    draggable: false,
+    alt: "Location Marker",
+  }
+  let mapOptions = {
+    fullScreen: false,
+    zoomControl: false,
+    scrollWheelZoom: zoomEnabled,
+    minZoomLevel,
+    maxZoomLevel,
+  }
+
+  const addMapMarkers = (mapInstance, rows, latKey, lngKey, titleKey) => {
+    if (typeof mapInstance !== "object" || !rows || !latKey || !lngKey) {
+      return
+    }
+
+    mapMarkerGroup.clearLayers()
+
+    let isValidLatitude = value => {
+      return !isNaN(value) && value > -90 && value < 90
+    }
+
+    let isValidLongitude = value => {
+      return !isNaN(value) && value > -180 && value < 180
+    }
+
+    const validRows = rows.filter(row => {
+      return isValidLatitude(row[latKey]) && isValidLongitude(row[lngKey])
+    })
+
+    validRows.forEach(row => {
+      let markerCoords = [row[latKey], row[lngKey]]
+
+      let marker = L.marker(markerCoords, mapMarkerOptions).addTo(mapInstance)
+      let markerContent = generateMarkerPopupContent(
+        row[latKey],
+        row[lngKey],
+        row[titleKey]
+      )
+
+      marker.bindPopup(markerContent).addTo(mapMarkerGroup)
+
+      //https://github.com/Leaflet/Leaflet/issues/7331
+      marker.on("click", function () {
+        this.openPopup()
+      })
+
+      mapMarkers = [...mapMarkers, marker]
+    })
+  }
+
+  const generateMarkerPopupContent = (latitude, longitude, text) => {
+    return text || latitude + "," + longitude
+  }
+
+  const initMap = () => {
+    const initCoords = [51.5072, -0.1276]
+
+    mapInstance = L.map(embeddedMapId, mapOptions)
+    mapMarkerGroup.addTo(mapInstance)
+
+    L.tileLayer(tileURL, {
+      attribution:
+        '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
+      zoom: adjustedZoomLevel,
+    }).addTo(mapInstance)
+
+    //Initialise the map
+    mapInstance.setView(initCoords, adjustedZoomLevel)
+  }
+
+  const mapAction = () => {
+    initMap()
+    return {
+      destroy() {
+        mapInstance.remove()
+        mapInstance = undefined
+      },
+    }
+  }
+</script>
+
+<div class="embedded-map-wrapper map-default" use:styleable={$component.styles}>
+  {#if error}
+    <div>{error}</div>
+  {/if}
+
+  <div id={embeddedMapId} class="embedded embedded-map" use:mapAction />
+</div>
+
+<style>
+  .embedded-map-wrapper {
+    background-color: #f1f1f1;
+  }
+  .map-default {
+    min-height: 180px;
+    min-width: 200px;
+  }
+  .embedded-map :global(.leaflet-top),
+  .embedded-map :global(.leaflet-bottom) {
+    z-index: 998;
+  }
+  .embedded-map :global(.embedded-map-marker) {
+    color: #ee3b35;
+  }
+  .embedded-map :global(.embedded-map-control) {
+    font-size: 22px;
+  }
+  .embedded-map {
+    height: 100%;
+    width: 100%;
+  }
+  :global(.leaflet-tile) {
+    width: 258px !important;
+    height: 258px !important;
+  }
+</style>
diff --git a/packages/client/src/components/app/EmbeddedMapControls.js b/packages/client/src/components/app/EmbeddedMapControls.js
new file mode 100644
index 0000000000..ca1b1ed22a
--- /dev/null
+++ b/packages/client/src/components/app/EmbeddedMapControls.js
@@ -0,0 +1,192 @@
+import L from "leaflet"
+import screenfull from "screenfull"
+
+const createButton = function (html, title, className, container, fn) {
+  let link = L.DomUtil.create("a", className, container)
+  link.innerHTML = html
+  link.href = "#"
+  link.title = title
+
+  link.setAttribute("role", "button")
+  link.setAttribute("aria-label", title)
+
+  L.DomEvent.disableClickPropagation(link)
+  L.DomEvent.on(link, "click", L.DomEvent.stop)
+  L.DomEvent.on(link, "click", fn, this)
+  L.DomEvent.on(link, "click", this._refocusOnMap, this)
+
+  return link
+}
+
+// Full Screen Control
+
+const FullScreenControl = L.Control.extend({
+  options: {
+    position: "topright",
+    fullScreenContent:
+      '<span class="embedded-map-control embedded-map-location-icon">' +
+      '<svg width="16px" height="16px" class="spectrum-Icon" focusable="false">' +
+      '<use xlink:href="#spectrum-icon-18-FullScreen" /></svg><span>',
+    fullScreenTitle: "Enter Fullscreen",
+  },
+  onAdd: function () {
+    var fullScreenClassName = "leaflet-control-fullscreen",
+      container = L.DomUtil.create("div", fullScreenClassName + " leaflet-bar"),
+      options = this.options
+
+    this._fullScreenButton = this._createButton(
+      options.fullScreenContent,
+      options.fullScreenTitle,
+      "map-fullscreen",
+      container,
+      this._fullScreen
+    )
+
+    return container
+  },
+  _fullScreen: function () {
+    var map = this._map
+    if (screenfull.isEnabled) {
+      screenfull.toggle(map.getContainer())
+    }
+  },
+  _createButton: createButton,
+})
+
+const initFullScreenControl = () => {
+  L.Map.mergeOptions({
+    fullScreen: false,
+  })
+
+  L.Map.addInitHook(function () {
+    if (this.options.fullScreen) {
+      this.fullScreenControl = new FullScreenControl()
+      this.addControl(this.fullScreenControl)
+    } else {
+      this.fullScreenControl = null
+    }
+  })
+}
+
+// Location Control
+
+const LocationControl = L.Control.extend({
+  options: {
+    position: "topright",
+    locationContent:
+      '<span class="embedded-map-control embedded-map-location-icon">' +
+      '<svg width="16px" height="16px" class="spectrum-Icon" focusable="false">' +
+      '<use xlink:href="#spectrum-icon-18-Campaign" /></svg><span>',
+    locationTitle: "Show Your Location",
+  },
+  onAdd: function () {
+    var locationClassName = "leaflet-control-location",
+      container = L.DomUtil.create("div", locationClassName + " leaflet-bar"),
+      options = this.options
+
+    this._locationButton = this._createButton(
+      options.locationContent,
+      options.locationTitle,
+      "map-location",
+      container,
+      this._location
+    )
+
+    this._updateDisabled()
+
+    return container
+  },
+  disable: function () {
+    this._disabled = true
+    this._updateDisabled()
+    return this
+  },
+  enable: function () {
+    this._disabled = false
+    this._updateDisabled()
+    return this
+  },
+  _location: function () {
+    if (this._disabled == true) {
+      return
+    }
+    this.disable()
+
+    const success = pos => {
+      this._map.closePopup()
+      if (typeof this.options.onLocationSuccess === "function") {
+        this.options.onLocationSuccess({
+          lat: pos.coords.latitude,
+          lng: pos.coords.longitude,
+        })
+      }
+    }
+
+    const error = err => {
+      if (typeof this.options.onLocationFail === "function") {
+        this.options.onLocationFail(err)
+      }
+    }
+
+    this._getPosition()
+      .then(success)
+      .catch(error)
+      .finally(() => {
+        this.enable()
+      })
+  },
+  _getPosition: function () {
+    var options = {
+      enableHighAccuracy: false,
+      timeout: 5000,
+      maximumAge: 30000,
+    }
+
+    return new Promise((resolve, reject) => {
+      navigator.geolocation.getCurrentPosition(resolve, reject, options)
+    })
+  },
+
+  _createButton: createButton,
+
+  _updateDisabled: function () {
+    let disabledClassName = "leaflet-disabled"
+    L.DomUtil.removeClass(this._locationButton, disabledClassName)
+    this._locationButton.setAttribute("aria-disabled", "false")
+
+    if (this._disabled) {
+      L.DomUtil.addClass(this._locationButton, disabledClassName)
+      this._locationButton.setAttribute("aria-disabled", "true")
+    }
+  },
+})
+
+const initLocationControl = () => {
+  L.Map.mergeOptions({
+    location: false,
+    onLocationFail: null,
+    onLocationSuccess: null,
+  })
+
+  L.Map.addInitHook(function () {
+    if (this.options.location) {
+      this.localControl = new LocationControl()
+      this.addControl(this.LocationControl)
+    } else {
+      this.localControl = null
+    }
+  })
+}
+
+const initMapControls = () => {
+  initFullScreenControl()
+  initLocationControl()
+}
+
+export {
+  initFullScreenControl,
+  initLocationControl,
+  initMapControls,
+  FullScreenControl,
+  LocationControl,
+}
diff --git a/packages/client/src/components/app/index.js b/packages/client/src/components/app/index.js
index 5af62201e5..e23659620b 100644
--- a/packages/client/src/components/app/index.js
+++ b/packages/client/src/components/app/index.js
@@ -31,6 +31,7 @@ export { default as cardstat } from "./CardStat.svelte"
 export { default as spectrumcard } from "./SpectrumCard.svelte"
 export { default as tag } from "./Tag.svelte"
 export { default as markdownviewer } from "./MarkdownViewer.svelte"
+export { default as embeddedmap } from "./EmbeddedMap.svelte"
 export * from "./charts"
 export * from "./forms"
 export * from "./table"