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grecia/app/assets/javascripts/map.js.coffee

60 lines
2.1 KiB
CoffeeScript

App.Map =
initialize: ->
maps = $('*[data-map]')
if maps.length > 0
$.each maps, (index, map) ->
App.Map.initializeMap map
initializeMap: (element) ->
latitude = $(element).data('marker-latitude')
longitude = $(element).data('marker-longitude')
zoom = $(element).data('map-zoom')
mapTilesProvider = $(element).data('map-tiles-provider')
mapAttributionSelector = $(element).data('map-tiles-attribution-selector')
latitudeInputSelector = $(element).data('latitude-input-selector')
longitudeInputSelector = $(element).data('longitude-input-selector')
zoomInputSelector = $(element).data('zoom-input-selector')
removeMarkerSelector = $(element).data('marker-remove-selector')
attribution = $(mapAttributionSelector)
editable = $(element).data('marker-editable')
marker_icon = L.divIcon(
iconSize: null
html: '<div class="map-marker"></div>')
placeMarker = (e) ->
marker.setLatLng(e.latlng)
marker.addTo(map)
updateFormfields()
return
updateFormfields = ->
$(latitudeInputSelector).val marker.getLatLng().lat
$(longitudeInputSelector).val marker.getLatLng().lng
$(zoomInputSelector).val map.getZoom()
return
clearFormfields = ->
$(latitudeInputSelector).val ''
$(longitudeInputSelector).val ''
$(zoomInputSelector).val ''
return
removeMarker = (e) ->
e.preventDefault()
map.removeLayer(marker)
clearFormfields()
return
latLng = new (L.LatLng)(latitude, longitude)
map = L.map(element.id).setView(latLng, zoom)
marker = L.marker(latLng, { icon: marker_icon, draggable: editable })
L.tileLayer(mapTilesProvider, attribution: attribution.html()).addTo map
marker.addTo(map)
if editable
$(removeMarkerSelector).on 'click', removeMarker
marker.on 'dragend', updateFormfields
map.on 'zoomend', updateFormfields
map.on 'click', placeMarker