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/**
* Created by gavorhes on 11/2/2015.
*/
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var LayerBaseVector_1 = require("./LayerBaseVector");
var provide_1 = require("../util/provide");
var ol = require("custom-ol");
var $ = require("jquery");
var proj = require("../olHelpers/projections");
var projections_1 = require("../olHelpers/projections");
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/**
* The Vector GeoJson Layer
* @augments LayerBaseVector
*/
var LayerBaseVectorGeoJson = (function (_super) {
__extends(LayerBaseVectorGeoJson, _super);
/**
* @param {string|undefined|null} url - resource url, set to '' to make blank layer
* @param {object} options - config
* @param {string} [options.id] - layer id
* @param {string} [options.name=Unnamed Layer] - layer name
* @param {number} [options.opacity=1] - opacity
* @param {boolean} [options.visible=true] - default visible
* @param {number} [options.minZoom=undefined] - min zoom level, 0 - 28
* @param {number} [options.maxZoom=undefined] - max zoom level, 0 - 28
* @param {object} [options.params={}] the get parameters to include to retrieve the layer
* @param {number} [options.zIndex=0] the z index for the layer
* @param {function} [options.loadCallback] function to call on load, context this is the layer object
* @param {boolean} [options.legendCollapse=false] if the legend item should be initially collapsed
* @param {boolean} [options.legendCheckbox=true] if the legend item should have a checkbox for visibility
* @param {boolean} [options.legendContent] additional content to add to the legend
*
* @param {boolean} [options.autoLoad=false] if the layer should auto load if not visible
* @param {object} [options.style=undefined] the layer style, use openlayers default style if not defined
* @param {boolean} [options.onDemand=false] if the layer should be loaded by extent on map move
* @param {number} [options.onDemandDelay=300] delay before the map move callback should be called
*
* @param {object} [options.transform={}] SR transform, set as false for no transform
* @param {string} options.transform.dataProjection=EPSG:4326 the data CRS
* @param {string} options.transform.featureProjection=EPSG:3857 the feature/map CRS
* @param {mapMoveMakeGetParams} [options.mapMoveMakeGetParams=function(lyr, extent, zoomLevel){}] function to create additional map move params
* @param {MapMoveCls} [options.mapMoveObj=mapMove] alternate map move object for use with multi map pages
*/
function LayerBaseVectorGeoJson(url, options) {
_this = _super.call(this, url, options) || this;
_this._geoJsonFormat = new ol.format.GeoJSON();
_this._transform = options.transform || {};
_this._transform.dataProjection = _this._transform.dataProjection || proj.proj4326;
_this._transform.featureProjection = _this._transform.featureProjection || projections_1.proj3857;
if (_this.autoLoad || _this.visible) {
_this._load();
}
/**
* add feature collection
* @param {object} featureCollection - as geojson object
*/
LayerBaseVectorGeoJson.prototype.addFeatures = function (featureCollection) {
this.source.addFeatures(this._geoJsonFormat.readFeatures(featureCollection));
};
/**
* trigger load features
* @protected
* @returns {boolean} if already loaded
*/
LayerBaseVectorGeoJson.prototype._load = function () {
var _this = this;
if (_super.prototype._load.call(this)) {
return true;
}
$.get(this._url, this._params, function (d) {
_this.addFeatures(d);
_this.loadCallback(_this);
}, 'json').fail(function () {
this._loaded = false;
});
return false;
};
/**
* callback function on map move
* @param {object} d the json response
* @override
*/
LayerBaseVectorGeoJson.prototype.mapMoveCallback = function (d) {
_super.prototype.mapMoveCallback.call(this, d);
this._source.addFeatures(this._geoJsonFormat.readFeatures(d, { featureProjection: this._transform.featureProjection, dataProjection: this._transform.dataProjection }));
};
return LayerBaseVectorGeoJson;
}(LayerBaseVector_1.LayerBaseVector));
exports.LayerBaseVectorGeoJson = LayerBaseVectorGeoJson;
nm.LayerBaseVectorGeoJson = LayerBaseVectorGeoJson;
exports.default = LayerBaseVectorGeoJson;
//# sourceMappingURL=LayerBaseVectorGeoJson.js.map