This commit is contained in:
576
node_modules/ol/control/OverviewMap.js
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576
node_modules/ol/control/OverviewMap.js
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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/**
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* @module ol/control/OverviewMap
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*/
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import CompositeMapRenderer from '../renderer/Composite.js';
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import Control from './Control.js';
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import EventType from '../events/EventType.js';
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import MapEventType from '../MapEventType.js';
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import MapProperty from '../MapProperty.js';
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import ObjectEventType from '../ObjectEventType.js';
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import Overlay from '../Overlay.js';
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import PluggableMap from '../PluggableMap.js';
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import View from '../View.js';
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import ViewProperty from '../ViewProperty.js';
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import { CLASS_COLLAPSED, CLASS_CONTROL, CLASS_UNSELECTABLE } from '../css.js';
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import { containsExtent, equals as equalsExtent, getBottomRight, getTopLeft, scaleFromCenter, } from '../extent.js';
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import { listen, listenOnce } from '../events.js';
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import { fromExtent as polygonFromExtent } from '../geom/Polygon.js';
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import { replaceNode } from '../dom.js';
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/**
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* Maximum width and/or height extent ratio that determines when the overview
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* map should be zoomed out.
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* @type {number}
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*/
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var MAX_RATIO = 0.75;
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/**
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* Minimum width and/or height extent ratio that determines when the overview
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* map should be zoomed in.
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* @type {number}
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*/
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var MIN_RATIO = 0.1;
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var ControlledMap = /** @class */ (function (_super) {
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__extends(ControlledMap, _super);
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function ControlledMap() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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ControlledMap.prototype.createRenderer = function () {
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return new CompositeMapRenderer(this);
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};
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return ControlledMap;
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}(PluggableMap));
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/**
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* @typedef {Object} Options
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* @property {string} [className='ol-overviewmap'] CSS class name.
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* @property {boolean} [collapsed=true] Whether the control should start collapsed or not (expanded).
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* @property {string|HTMLElement} [collapseLabel='‹'] Text label to use for the
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* expanded overviewmap button. Instead of text, also an element (e.g. a `span` element) can be used.
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* @property {boolean} [collapsible=true] Whether the control can be collapsed or not.
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* @property {string|HTMLElement} [label='›'] Text label to use for the collapsed
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* overviewmap button. Instead of text, also an element (e.g. a `span` element) can be used.
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* @property {Array<import("../layer/Base.js").default>|import("../Collection.js").default<import("../layer/Base.js").default>} [layers]
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* Layers for the overview map.
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* @property {function(import("../MapEvent.js").default):void} [render] Function called when the control
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* should be re-rendered. This is called in a `requestAnimationFrame` callback.
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* @property {boolean} [rotateWithView=false] Whether the control view should rotate with the main map view.
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* @property {HTMLElement|string} [target] Specify a target if you want the control
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* to be rendered outside of the map's viewport.
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* @property {string} [tipLabel='Overview map'] Text label to use for the button tip.
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* @property {View} [view] Custom view for the overview map (should use same projection as main map). If not provided,
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* a default view with the same projection as the main map will be used.
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*/
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/**
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* Create a new control with a map acting as an overview map for another
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* defined map.
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*
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* @api
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*/
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var OverviewMap = /** @class */ (function (_super) {
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__extends(OverviewMap, _super);
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/**
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* @param {Options} [opt_options] OverviewMap options.
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*/
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function OverviewMap(opt_options) {
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var _this = this;
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var options = opt_options ? opt_options : {};
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_this = _super.call(this, {
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element: document.createElement('div'),
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render: options.render,
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target: options.target,
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}) || this;
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/**
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* @private
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*/
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_this.boundHandleRotationChanged_ = _this.handleRotationChanged_.bind(_this);
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/**
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* @type {boolean}
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* @private
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*/
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_this.collapsed_ =
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options.collapsed !== undefined ? options.collapsed : true;
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/**
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* @private
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* @type {boolean}
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*/
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_this.collapsible_ =
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options.collapsible !== undefined ? options.collapsible : true;
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if (!_this.collapsible_) {
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_this.collapsed_ = false;
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}
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/**
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* @private
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* @type {boolean}
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*/
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_this.rotateWithView_ =
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options.rotateWithView !== undefined ? options.rotateWithView : false;
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/**
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* @private
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* @type {import("../extent.js").Extent|undefined}
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*/
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_this.viewExtent_ = undefined;
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var className = options.className !== undefined ? options.className : 'ol-overviewmap';
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var tipLabel = options.tipLabel !== undefined ? options.tipLabel : 'Overview map';
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var collapseLabel = options.collapseLabel !== undefined ? options.collapseLabel : '\u2039';
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if (typeof collapseLabel === 'string') {
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/**
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* @private
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* @type {HTMLElement}
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*/
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_this.collapseLabel_ = document.createElement('span');
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_this.collapseLabel_.textContent = collapseLabel;
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}
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else {
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_this.collapseLabel_ = collapseLabel;
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}
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var label = options.label !== undefined ? options.label : '\u203A';
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if (typeof label === 'string') {
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/**
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* @private
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* @type {HTMLElement}
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*/
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_this.label_ = document.createElement('span');
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_this.label_.textContent = label;
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}
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else {
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_this.label_ = label;
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}
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var activeLabel = _this.collapsible_ && !_this.collapsed_ ? _this.collapseLabel_ : _this.label_;
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var button = document.createElement('button');
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button.setAttribute('type', 'button');
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button.title = tipLabel;
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button.appendChild(activeLabel);
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button.addEventListener(EventType.CLICK, _this.handleClick_.bind(_this), false);
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/**
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* @type {HTMLElement}
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* @private
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*/
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_this.ovmapDiv_ = document.createElement('div');
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_this.ovmapDiv_.className = 'ol-overviewmap-map';
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/**
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* Explicitly given view to be used instead of a view derived from the main map.
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* @type {View}
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* @private
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*/
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_this.view_ = options.view;
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/**
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* @type {ControlledMap}
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* @private
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*/
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_this.ovmap_ = new ControlledMap({
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view: options.view,
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});
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var ovmap = _this.ovmap_;
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if (options.layers) {
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options.layers.forEach(function (layer) {
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ovmap.addLayer(layer);
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});
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}
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var box = document.createElement('div');
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box.className = 'ol-overviewmap-box';
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box.style.boxSizing = 'border-box';
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/**
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* @type {import("../Overlay.js").default}
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* @private
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*/
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_this.boxOverlay_ = new Overlay({
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position: [0, 0],
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positioning: 'center-center',
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element: box,
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});
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_this.ovmap_.addOverlay(_this.boxOverlay_);
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var cssClasses = className +
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' ' +
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CLASS_UNSELECTABLE +
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' ' +
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CLASS_CONTROL +
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(_this.collapsed_ && _this.collapsible_ ? ' ' + CLASS_COLLAPSED : '') +
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(_this.collapsible_ ? '' : ' ol-uncollapsible');
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var element = _this.element;
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element.className = cssClasses;
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element.appendChild(_this.ovmapDiv_);
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element.appendChild(button);
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/* Interactive map */
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var scope = _this;
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var overlay = _this.boxOverlay_;
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var overlayBox = _this.boxOverlay_.getElement();
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/* Functions definition */
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var computeDesiredMousePosition = function (mousePosition) {
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return {
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clientX: mousePosition.clientX,
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clientY: mousePosition.clientY,
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};
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};
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var move = function (event) {
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var position = /** @type {?} */ (computeDesiredMousePosition(event));
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var coordinates = ovmap.getEventCoordinateInternal(
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/** @type {MouseEvent} */ (position));
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overlay.setPosition(coordinates);
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};
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var endMoving = function (event) {
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var coordinates = ovmap.getEventCoordinateInternal(event);
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scope.getMap().getView().setCenterInternal(coordinates);
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window.removeEventListener('mousemove', move);
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window.removeEventListener('mouseup', endMoving);
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};
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/* Binding */
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overlayBox.addEventListener('mousedown', function () {
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window.addEventListener('mousemove', move);
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window.addEventListener('mouseup', endMoving);
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});
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return _this;
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}
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/**
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* Remove the control from its current map and attach it to the new map.
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* Pass `null` to just remove the control from the current map.
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* Subclasses may set up event handlers to get notified about changes to
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* the map here.
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* @param {import("../PluggableMap.js").default|null} map Map.
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* @api
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*/
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OverviewMap.prototype.setMap = function (map) {
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var oldMap = this.getMap();
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if (map === oldMap) {
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return;
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}
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if (oldMap) {
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var oldView = oldMap.getView();
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if (oldView) {
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this.unbindView_(oldView);
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}
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this.ovmap_.setTarget(null);
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}
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_super.prototype.setMap.call(this, map);
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if (map) {
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this.ovmap_.setTarget(this.ovmapDiv_);
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this.listenerKeys.push(listen(map, ObjectEventType.PROPERTYCHANGE, this.handleMapPropertyChange_, this));
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var view = map.getView();
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if (view) {
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this.bindView_(view);
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if (view.isDef()) {
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this.ovmap_.updateSize();
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this.resetExtent_();
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}
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}
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if (!this.ovmap_.isRendered()) {
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this.updateBoxAfterOvmapIsRendered_();
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}
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}
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};
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/**
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* Handle map property changes. This only deals with changes to the map's view.
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* @param {import("../Object.js").ObjectEvent} event The propertychange event.
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* @private
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*/
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OverviewMap.prototype.handleMapPropertyChange_ = function (event) {
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if (event.key === MapProperty.VIEW) {
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var oldView = /** @type {import("../View.js").default} */ (event.oldValue);
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if (oldView) {
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this.unbindView_(oldView);
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}
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var newView = this.getMap().getView();
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this.bindView_(newView);
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}
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else if (!this.ovmap_.isRendered() &&
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(event.key === MapProperty.TARGET || event.key === MapProperty.SIZE)) {
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this.ovmap_.updateSize();
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}
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};
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/**
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* Register listeners for view property changes.
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* @param {import("../View.js").default} view The view.
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* @private
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*/
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OverviewMap.prototype.bindView_ = function (view) {
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if (!this.view_) {
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// Unless an explicit view definition was given, derive default from whatever main map uses.
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var newView = new View({
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projection: view.getProjection(),
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});
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this.ovmap_.setView(newView);
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}
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view.addChangeListener(ViewProperty.ROTATION, this.boundHandleRotationChanged_);
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// Sync once with the new view
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this.handleRotationChanged_();
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};
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/**
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* Unregister listeners for view property changes.
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* @param {import("../View.js").default} view The view.
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* @private
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*/
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OverviewMap.prototype.unbindView_ = function (view) {
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view.removeChangeListener(ViewProperty.ROTATION, this.boundHandleRotationChanged_);
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};
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/**
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* Handle rotation changes to the main map.
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* @private
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*/
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OverviewMap.prototype.handleRotationChanged_ = function () {
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if (this.rotateWithView_) {
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this.ovmap_.getView().setRotation(this.getMap().getView().getRotation());
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}
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};
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/**
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* Reset the overview map extent if the box size (width or
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* height) is less than the size of the overview map size times minRatio
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* or is greater than the size of the overview size times maxRatio.
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*
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* If the map extent was not reset, the box size can fits in the defined
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* ratio sizes. This method then checks if is contained inside the overview
|
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* map current extent. If not, recenter the overview map to the current
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* main map center location.
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* @private
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*/
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OverviewMap.prototype.validateExtent_ = function () {
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var map = this.getMap();
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var ovmap = this.ovmap_;
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if (!map.isRendered() || !ovmap.isRendered()) {
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||||
return;
|
||||
}
|
||||
var mapSize = /** @type {import("../size.js").Size} */ (map.getSize());
|
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var view = map.getView();
|
||||
var extent = view.calculateExtentInternal(mapSize);
|
||||
if (this.viewExtent_ && equalsExtent(extent, this.viewExtent_)) {
|
||||
// repeats of the same extent may indicate constraint conflicts leading to an endless cycle
|
||||
return;
|
||||
}
|
||||
this.viewExtent_ = extent;
|
||||
var ovmapSize = /** @type {import("../size.js").Size} */ (ovmap.getSize());
|
||||
var ovview = ovmap.getView();
|
||||
var ovextent = ovview.calculateExtentInternal(ovmapSize);
|
||||
var topLeftPixel = ovmap.getPixelFromCoordinateInternal(getTopLeft(extent));
|
||||
var bottomRightPixel = ovmap.getPixelFromCoordinateInternal(getBottomRight(extent));
|
||||
var boxWidth = Math.abs(topLeftPixel[0] - bottomRightPixel[0]);
|
||||
var boxHeight = Math.abs(topLeftPixel[1] - bottomRightPixel[1]);
|
||||
var ovmapWidth = ovmapSize[0];
|
||||
var ovmapHeight = ovmapSize[1];
|
||||
if (boxWidth < ovmapWidth * MIN_RATIO ||
|
||||
boxHeight < ovmapHeight * MIN_RATIO ||
|
||||
boxWidth > ovmapWidth * MAX_RATIO ||
|
||||
boxHeight > ovmapHeight * MAX_RATIO) {
|
||||
this.resetExtent_();
|
||||
}
|
||||
else if (!containsExtent(ovextent, extent)) {
|
||||
this.recenter_();
|
||||
}
|
||||
};
|
||||
/**
|
||||
* Reset the overview map extent to half calculated min and max ratio times
|
||||
* the extent of the main map.
|
||||
* @private
|
||||
*/
|
||||
OverviewMap.prototype.resetExtent_ = function () {
|
||||
if (MAX_RATIO === 0 || MIN_RATIO === 0) {
|
||||
return;
|
||||
}
|
||||
var map = this.getMap();
|
||||
var ovmap = this.ovmap_;
|
||||
var mapSize = /** @type {import("../size.js").Size} */ (map.getSize());
|
||||
var view = map.getView();
|
||||
var extent = view.calculateExtentInternal(mapSize);
|
||||
var ovview = ovmap.getView();
|
||||
// get how many times the current map overview could hold different
|
||||
// box sizes using the min and max ratio, pick the step in the middle used
|
||||
// to calculate the extent from the main map to set it to the overview map,
|
||||
var steps = Math.log(MAX_RATIO / MIN_RATIO) / Math.LN2;
|
||||
var ratio = 1 / (Math.pow(2, steps / 2) * MIN_RATIO);
|
||||
scaleFromCenter(extent, ratio);
|
||||
ovview.fitInternal(polygonFromExtent(extent));
|
||||
};
|
||||
/**
|
||||
* Set the center of the overview map to the map center without changing its
|
||||
* resolution.
|
||||
* @private
|
||||
*/
|
||||
OverviewMap.prototype.recenter_ = function () {
|
||||
var map = this.getMap();
|
||||
var ovmap = this.ovmap_;
|
||||
var view = map.getView();
|
||||
var ovview = ovmap.getView();
|
||||
ovview.setCenterInternal(view.getCenterInternal());
|
||||
};
|
||||
/**
|
||||
* Update the box using the main map extent
|
||||
* @private
|
||||
*/
|
||||
OverviewMap.prototype.updateBox_ = function () {
|
||||
var map = this.getMap();
|
||||
var ovmap = this.ovmap_;
|
||||
if (!map.isRendered() || !ovmap.isRendered()) {
|
||||
return;
|
||||
}
|
||||
var mapSize = /** @type {import("../size.js").Size} */ (map.getSize());
|
||||
var view = map.getView();
|
||||
var ovview = ovmap.getView();
|
||||
var rotation = this.rotateWithView_ ? 0 : -view.getRotation();
|
||||
var overlay = this.boxOverlay_;
|
||||
var box = this.boxOverlay_.getElement();
|
||||
var center = view.getCenterInternal();
|
||||
var resolution = view.getResolution();
|
||||
var ovresolution = ovview.getResolution();
|
||||
var width = (mapSize[0] * resolution) / ovresolution;
|
||||
var height = (mapSize[1] * resolution) / ovresolution;
|
||||
// set position using center coordinates
|
||||
overlay.setPosition(center);
|
||||
// set box size calculated from map extent size and overview map resolution
|
||||
if (box) {
|
||||
box.style.width = width + 'px';
|
||||
box.style.height = height + 'px';
|
||||
var transform = 'rotate(' + rotation + 'rad)';
|
||||
box.style.transform = transform;
|
||||
}
|
||||
};
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
OverviewMap.prototype.updateBoxAfterOvmapIsRendered_ = function () {
|
||||
if (this.ovmapPostrenderKey_) {
|
||||
return;
|
||||
}
|
||||
this.ovmapPostrenderKey_ = listenOnce(this.ovmap_, MapEventType.POSTRENDER, function (event) {
|
||||
delete this.ovmapPostrenderKey_;
|
||||
this.updateBox_();
|
||||
}, this);
|
||||
};
|
||||
/**
|
||||
* @param {MouseEvent} event The event to handle
|
||||
* @private
|
||||
*/
|
||||
OverviewMap.prototype.handleClick_ = function (event) {
|
||||
event.preventDefault();
|
||||
this.handleToggle_();
|
||||
};
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
OverviewMap.prototype.handleToggle_ = function () {
|
||||
this.element.classList.toggle(CLASS_COLLAPSED);
|
||||
if (this.collapsed_) {
|
||||
replaceNode(this.collapseLabel_, this.label_);
|
||||
}
|
||||
else {
|
||||
replaceNode(this.label_, this.collapseLabel_);
|
||||
}
|
||||
this.collapsed_ = !this.collapsed_;
|
||||
// manage overview map if it had not been rendered before and control
|
||||
// is expanded
|
||||
var ovmap = this.ovmap_;
|
||||
if (!this.collapsed_) {
|
||||
if (ovmap.isRendered()) {
|
||||
this.viewExtent_ = undefined;
|
||||
ovmap.render();
|
||||
return;
|
||||
}
|
||||
ovmap.updateSize();
|
||||
this.resetExtent_();
|
||||
this.updateBoxAfterOvmapIsRendered_();
|
||||
}
|
||||
};
|
||||
/**
|
||||
* Return `true` if the overview map is collapsible, `false` otherwise.
|
||||
* @return {boolean} True if the widget is collapsible.
|
||||
* @api
|
||||
*/
|
||||
OverviewMap.prototype.getCollapsible = function () {
|
||||
return this.collapsible_;
|
||||
};
|
||||
/**
|
||||
* Set whether the overview map should be collapsible.
|
||||
* @param {boolean} collapsible True if the widget is collapsible.
|
||||
* @api
|
||||
*/
|
||||
OverviewMap.prototype.setCollapsible = function (collapsible) {
|
||||
if (this.collapsible_ === collapsible) {
|
||||
return;
|
||||
}
|
||||
this.collapsible_ = collapsible;
|
||||
this.element.classList.toggle('ol-uncollapsible');
|
||||
if (!collapsible && this.collapsed_) {
|
||||
this.handleToggle_();
|
||||
}
|
||||
};
|
||||
/**
|
||||
* Collapse or expand the overview map according to the passed parameter. Will
|
||||
* not do anything if the overview map isn't collapsible or if the current
|
||||
* collapsed state is already the one requested.
|
||||
* @param {boolean} collapsed True if the widget is collapsed.
|
||||
* @api
|
||||
*/
|
||||
OverviewMap.prototype.setCollapsed = function (collapsed) {
|
||||
if (!this.collapsible_ || this.collapsed_ === collapsed) {
|
||||
return;
|
||||
}
|
||||
this.handleToggle_();
|
||||
};
|
||||
/**
|
||||
* Determine if the overview map is collapsed.
|
||||
* @return {boolean} The overview map is collapsed.
|
||||
* @api
|
||||
*/
|
||||
OverviewMap.prototype.getCollapsed = function () {
|
||||
return this.collapsed_;
|
||||
};
|
||||
/**
|
||||
* Return `true` if the overview map view can rotate, `false` otherwise.
|
||||
* @return {boolean} True if the control view can rotate.
|
||||
* @api
|
||||
*/
|
||||
OverviewMap.prototype.getRotateWithView = function () {
|
||||
return this.rotateWithView_;
|
||||
};
|
||||
/**
|
||||
* Set whether the overview map view should rotate with the main map view.
|
||||
* @param {boolean} rotateWithView True if the control view should rotate.
|
||||
* @api
|
||||
*/
|
||||
OverviewMap.prototype.setRotateWithView = function (rotateWithView) {
|
||||
if (this.rotateWithView_ === rotateWithView) {
|
||||
return;
|
||||
}
|
||||
this.rotateWithView_ = rotateWithView;
|
||||
if (this.getMap().getView().getRotation() !== 0) {
|
||||
if (this.rotateWithView_) {
|
||||
this.handleRotationChanged_();
|
||||
}
|
||||
else {
|
||||
this.ovmap_.getView().setRotation(0);
|
||||
}
|
||||
this.viewExtent_ = undefined;
|
||||
this.validateExtent_();
|
||||
this.updateBox_();
|
||||
}
|
||||
};
|
||||
/**
|
||||
* Return the overview map.
|
||||
* @return {import("../PluggableMap.js").default} Overview map.
|
||||
* @api
|
||||
*/
|
||||
OverviewMap.prototype.getOverviewMap = function () {
|
||||
return this.ovmap_;
|
||||
};
|
||||
/**
|
||||
* Update the overview map element.
|
||||
* @param {import("../MapEvent.js").default} mapEvent Map event.
|
||||
* @override
|
||||
*/
|
||||
OverviewMap.prototype.render = function (mapEvent) {
|
||||
this.validateExtent_();
|
||||
this.updateBox_();
|
||||
};
|
||||
return OverviewMap;
|
||||
}(Control));
|
||||
export default OverviewMap;
|
||||
//# sourceMappingURL=OverviewMap.js.map
|
||||
Reference in New Issue
Block a user