///////////////////////////////////////////////////////////////////////////
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// Copyright © 2014 - 2018 Esri. All Rights Reserved.
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//
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// Licensed under the Apache License Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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///////////////////////////////////////////////////////////////////////////
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define(['dojo/_base/declare',
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'dojo/_base/lang',
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'dojo/_base/html',
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'dojo/on',
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'dojo/Deferred',
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'dijit/_WidgetBase',
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'dojo/Evented',
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'esri/geometry/Extent',
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'jimu/portalUrlUtils',
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"esri/dijit/Search",
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'jimu/dijit/LoadingShelter',
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'jimu/utils'
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],
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function(declare, lang, html, on, Deferred, _WidgetBase,
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Evented, Extent, portalUrlUtils, Search,
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LoadingShelter, jimuUtils) {
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/* global esriConfig */
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return declare([_WidgetBase, Evented], {
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baseClass: 'jimu-extent-chooser',
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declaredClass: 'jimu.dijit.ExtentChooser',
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//portalUrl: String
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// the portalUrl of webmap. Such as 'http://www.arcgis.com'.
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portalUrl: null,
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//itemId: String
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// the webmap item id. For now, we only support webmap
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itemId: null,
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initExtent: null,
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//bingMapsKey: String
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// required if working with Microsoft Bing Maps
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bingMapsKey: '',
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geometryServiceURL: null,
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shelter: null,
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postCreate:function(){
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this.inherited(arguments);
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if(!this.geometryServiceURL){
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if(esriConfig.defaults.geometryService){
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this.geometryServiceURL = esriConfig.defaults.geometryService.url;
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}
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}
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if(!this.geometryServiceURL){
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var servicesObj = jimuUtils.getServices();
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this.geometryServiceURL = servicesObj.geometryService;
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}
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this.shelter = new LoadingShelter({
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hidden: true
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});
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this.shelter.placeAt(this.domNode);
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this.shelter.startup();
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this.shelter.show();
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var mapNode = html.create('div', {
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style: {
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width: '100%',
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height: '100%'
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}
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}, this.domNode);
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this.search = html.create('div', {
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style: {
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position: "absolute",
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right: 0,
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top: 0
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}
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}, mapNode);
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if(!this.portalUrl || !this.itemId){
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return;
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}
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this.portalUrl = portalUrlUtils.getStandardPortalUrl(this.portalUrl);
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var args = {
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geometryServiceURL: this.geometryServiceURL,
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bingMapsKey: this.bingMapsKey
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};
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if(this.initExtent){
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if(this.initExtent.declaredClass !== "esri.geometry.Extent"){
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this.initExtent = new Extent(this.initExtent);
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}
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args.mapOptions = {
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extent:this.initExtent
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};
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}
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if(this.lods){
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if(typeof args.mapOptions === 'object'){
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args.mapOptions.lods = this.lods;
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}else{
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args.mapOptions = {
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lods: this.lods
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};
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}
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}
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var mapDeferred = jimuUtils.createWebMap(this.portalUrl, this.itemId, mapNode, args);
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mapDeferred.then(lang.hitch(this, function(response) {
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this.map = response.map;
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this.map.webMapResponse = response;
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this.own(on(this.map, 'extent-change', lang.hitch(this, function(evt){
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this.onExtentChange(evt.extent);
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})));
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var search = new Search({
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map: this.map,
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enableLabel: false
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}, this.search);
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search.startup();
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this.own(on(search, 'search-results', lang.hitch(this, function (evt) {
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if (evt && evt.results && evt.results[0] &&
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evt.results[0][0] && evt.results[0][0].extent) {
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this.onExtentChange(evt.results[0][0].extent);
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}
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})));
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if(!this.initExtent){
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this.onExtentChange(this.map.extent); // send map default extent
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}else {
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this.onExtentChange(this.initExtent);
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}
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this.shelter.hide();
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this.emit('map-load', this.map);
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}), lang.hitch(this, function(err){
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console.error(err);
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}));
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},
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getExtent: function(){
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return this.map && this.map.extent;
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},
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setExtent: function(extent){
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if(this.map){
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return this.map.setExtent(extent);
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}
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else{
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var def = new Deferred();
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setTimeout(lang.hitch(this, function(){
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def.reject('map is null.');
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}), 0);
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return def;
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}
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},
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restoreToDefaultWebMapExtent:function(){
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jimuUtils.restoreToDefaultWebMapExtent(this.map,
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this.map.webMapResponse,
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this.geometryServiceURL);
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},
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onExtentChange: function(extent){
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this.emit('extent-change', extent);
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}
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});
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});
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