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Versions: 24
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Stored size: 1.83 KB
Contents
//= require geoblacklight/viewers/viewer
GeoBlacklight.Viewer.Map = GeoBlacklight.Viewer.extend({
options: {
/**
* Initial bounds of map
* @type {L.LatLngBounds}
*/
bbox: [[-82, -144], [77, 161]],
opacity: 0.75
},
overlay: L.layerGroup(),
load: function() {
if (this.data.mapGeom) {
this.options.bbox = L.geoJSONToBounds(this.data.mapGeom);
}
this.map = L.map(this.element).fitBounds(this.options.bbox);
// Add initial bbox to map element for easier testing
if (this.map.getBounds().isValid()) {
this.element.setAttribute('data-js-map-render-bbox', this.map.getBounds().toBBoxString());
}
this.map.addLayer(this.selectBasemap());
this.map.addLayer(this.overlay);
if (this.data.map !== 'index') {
this.addBoundsOverlay(this.options.bbox);
}
},
/**
* Add a bounding box overlay to map.
* @param {L.LatLngBounds} bounds Leaflet LatLngBounds
*/
addBoundsOverlay: function(bounds) {
if (bounds instanceof L.LatLngBounds) {
this.overlay.addLayer(L.polygon([
bounds.getSouthWest(),
bounds.getSouthEast(),
bounds.getNorthEast(),
bounds.getNorthWest()
]));
}
},
/**
* Remove bounding box overlay from map.
*/
removeBoundsOverlay: function() {
this.overlay.clearLayers();
},
/**
* Add a GeoJSON overlay to map.
* @param {string} geojson GeoJSON string
*/
addGeoJsonOverlay: function(geojson) {
var layer = L.geoJSON();
layer.addData(geojson);
this.overlay.addLayer(layer);
},
/**
* Selects basemap if specified in data options, if not return positron.
*/
selectBasemap: function() {
var _this = this;
if (_this.data.basemap) {
return GeoBlacklight.Basemaps[_this.data.basemap];
} else {
return GeoBlacklight.Basemaps.positron;
}
}
});
Version data entries
24 entries across 24 versions & 1 rubygems