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* @module ol/has\n */\nvar ua = typeof navigator !== 'undefined' && typeof navigator.userAgent !== 'undefined'\n ? navigator.userAgent.toLowerCase()\n : '';\n/**\n * User agent string says we are dealing with Firefox as browser.\n * @type {boolean}\n */\nexport var FIREFOX = ua.indexOf('firefox') !== -1;\n/**\n * User agent string says we are dealing with Safari as browser.\n * @type {boolean}\n */\nexport var SAFARI = ua.indexOf('safari') !== -1 && ua.indexOf('chrom') == -1;\n/**\n * https://bugs.webkit.org/show_bug.cgi?id=237906\n * @type {boolean}\n */\nexport var SAFARI_BUG_237906 = SAFARI &&\n !!(ua.indexOf('version/15.4') >= 0 ||\n ua.match(/cpu (os|iphone os) 15_4 like mac os x/));\n/**\n * User agent string says we are dealing with a WebKit engine.\n * @type {boolean}\n */\nexport var WEBKIT = ua.indexOf('webkit') !== -1 && ua.indexOf('edge') == -1;\n/**\n * User agent string says we are dealing with a Mac as platform.\n * @type {boolean}\n */\nexport var MAC = ua.indexOf('macintosh') !== -1;\n/**\n * The ratio between physical pixels and device-independent pixels\n * (dips) on the device (`window.devicePixelRatio`).\n * @const\n * @type {number}\n * @api\n */\nexport var DEVICE_PIXEL_RATIO = typeof devicePixelRatio !== 'undefined' ? devicePixelRatio : 1;\n/**\n * The execution context is a worker with OffscreenCanvas available.\n * @const\n * @type {boolean}\n */\nexport var WORKER_OFFSCREEN_CANVAS = typeof WorkerGlobalScope !== 'undefined' &&\n typeof OffscreenCanvas !== 'undefined' &&\n self instanceof WorkerGlobalScope; //eslint-disable-line\n/**\n * Image.prototype.decode() is supported.\n * @type {boolean}\n */\nexport var IMAGE_DECODE = typeof Image !== 'undefined' && Image.prototype.decode;\n/**\n * @type {boolean}\n */\nexport var PASSIVE_EVENT_LISTENERS = (function () {\n var passive = false;\n try {\n var options = Object.defineProperty({}, 'passive', {\n get: function () {\n passive = true;\n },\n });\n window.addEventListener('_', null, options);\n window.removeEventListener('_', null, options);\n }\n catch (error) {\n // passive not supported\n }\n return passive;\n})();\n//# sourceMappingURL=has.js.map","var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\n/**\n * @module ol/interaction/DoubleClickZoom\n */\nimport Interaction, { zoomByDelta } from './Interaction.js';\nimport MapBrowserEventType from '../MapBrowserEventType.js';\n/**\n * @typedef {Object} Options\n * @property {number} [duration=250] Animation duration in milliseconds.\n * @property {number} [delta=1] The zoom delta applied on each double click.\n */\n/**\n * @classdesc\n * Allows the user to zoom by double-clicking on the map.\n * @api\n */\nvar DoubleClickZoom = /** @class */ (function (_super) {\n __extends(DoubleClickZoom, _super);\n /**\n * @param {Options} [opt_options] Options.\n */\n function DoubleClickZoom(opt_options) {\n var _this = _super.call(this) || this;\n var options = opt_options ? opt_options : {};\n /**\n * @private\n * @type {number}\n */\n _this.delta_ = options.delta ? options.delta : 1;\n /**\n * @private\n * @type {number}\n */\n _this.duration_ = options.duration !== undefined ? options.duration : 250;\n return _this;\n }\n /**\n * Handles the {@link module:ol/MapBrowserEvent~MapBrowserEvent map browser event} (if it was a\n * doubleclick) and eventually zooms the map.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Map browser event.\n * @return {boolean} `false` to stop event propagation.\n */\n DoubleClickZoom.prototype.handleEvent = function (mapBrowserEvent) {\n var stopEvent = false;\n if (mapBrowserEvent.type == MapBrowserEventType.DBLCLICK) {\n var browserEvent = /** @type {MouseEvent} */ (mapBrowserEvent.originalEvent);\n var map = mapBrowserEvent.map;\n var anchor = mapBrowserEvent.coordinate;\n var delta = browserEvent.shiftKey ? -this.delta_ : this.delta_;\n var view = map.getView();\n zoomByDelta(view, delta, anchor, this.duration_);\n browserEvent.preventDefault();\n stopEvent = true;\n }\n return !stopEvent;\n };\n return DoubleClickZoom;\n}(Interaction));\nexport default DoubleClickZoom;\n//# sourceMappingURL=DoubleClickZoom.js.map","/**\n * @module ol/interaction/DragAndDrop\n */\n// FIXME should handle all geo-referenced data, not just vector data\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nimport Event from '../events/Event.js';\nimport EventType from '../events/EventType.js';\nimport Interaction from './Interaction.js';\nimport { TRUE } from '../functions.js';\nimport { get as getProjection } from '../proj.js';\nimport { listen, unlistenByKey } from '../events.js';\n/**\n * @typedef {Object} Options\n * @property {Array} [formatConstructors] Format constructors\n * (and/or formats pre-constructed with options).\n * @property {import(\"../source/Vector.js\").default} [source] Optional vector source where features will be added. If a source is provided\n * all existing features will be removed and new features will be added when\n * they are dropped on the target. If you want to add features to a vector\n * source without removing the existing features (append only), instead of\n * providing the source option listen for the \"addfeatures\" event.\n * @property {import(\"../proj.js\").ProjectionLike} [projection] Target projection. By default, the map's view's projection is used.\n * @property {HTMLElement} [target] The element that is used as the drop target, default is the viewport element.\n */\n/**\n * @enum {string}\n */\nvar DragAndDropEventType = {\n /**\n * Triggered when features are added\n * @event DragAndDropEvent#addfeatures\n * @api\n */\n ADD_FEATURES: 'addfeatures',\n};\n/**\n * @classdesc\n * Events emitted by {@link module:ol/interaction/DragAndDrop~DragAndDrop} instances are instances\n * of this type.\n */\nvar DragAndDropEvent = /** @class */ (function (_super) {\n __extends(DragAndDropEvent, _super);\n /**\n * @param {DragAndDropEventType} type Type.\n * @param {File} file File.\n * @param {Array} [opt_features] Features.\n * @param {import(\"../proj/Projection.js\").default} [opt_projection] Projection.\n */\n function DragAndDropEvent(type, file, opt_features, opt_projection) {\n var _this = _super.call(this, type) || this;\n /**\n * The features parsed from dropped data.\n * @type {Array|undefined}\n * @api\n */\n _this.features = opt_features;\n /**\n * The dropped file.\n * @type {File}\n * @api\n */\n _this.file = file;\n /**\n * The feature projection.\n * @type {import(\"../proj/Projection.js\").default|undefined}\n * @api\n */\n _this.projection = opt_projection;\n return _this;\n }\n return DragAndDropEvent;\n}(Event));\nexport { DragAndDropEvent };\n/***\n * @template Return\n * @typedef {import(\"../Observable\").OnSignature &\n * import(\"../Observable\").OnSignature &\n * import(\"../Observable\").OnSignature<'addfeatures', DragAndDropEvent, Return> &\n * import(\"../Observable\").CombinedOnSignature} DragAndDropOnSignature\n */\n/**\n * @classdesc\n * Handles input of vector data by drag and drop.\n *\n * Note that the DragAndDrop interaction uses the TextDecoder() constructor if the supplied\n * combination of formats read both text string and ArrayBuffer sources. Older browsers such\n * as IE which do not support this will need a TextDecoder polyfill to be loaded before use.\n *\n * @api\n *\n * @fires DragAndDropEvent\n */\nvar DragAndDrop = /** @class */ (function (_super) {\n __extends(DragAndDrop, _super);\n /**\n * @param {Options} [opt_options] Options.\n */\n function DragAndDrop(opt_options) {\n var _this = this;\n var options = opt_options ? opt_options : {};\n _this = _super.call(this, {\n handleEvent: TRUE,\n }) || this;\n /***\n * @type {DragAndDropOnSignature}\n */\n _this.on;\n /***\n * @type {DragAndDropOnSignature}\n */\n _this.once;\n /***\n * @type {DragAndDropOnSignature}\n */\n _this.un;\n /**\n * @private\n * @type {boolean}\n */\n _this.readAsBuffer_ = false;\n /**\n * @private\n * @type {Array}\n */\n _this.formats_ = [];\n var formatConstructors = options.formatConstructors\n ? options.formatConstructors\n : [];\n for (var i = 0, ii = formatConstructors.length; i < ii; ++i) {\n var format = formatConstructors[i];\n if (typeof format === 'function') {\n format = new format();\n }\n _this.formats_.push(format);\n _this.readAsBuffer_ =\n _this.readAsBuffer_ || format.getType() === 'arraybuffer';\n }\n /**\n * @private\n * @type {import(\"../proj/Projection.js\").default}\n */\n _this.projection_ = options.projection\n ? getProjection(options.projection)\n : null;\n /**\n * @private\n * @type {?Array}\n */\n _this.dropListenKeys_ = null;\n /**\n * @private\n * @type {import(\"../source/Vector.js\").default}\n */\n _this.source_ = options.source || null;\n /**\n * @private\n * @type {HTMLElement|null}\n */\n _this.target = options.target ? options.target : null;\n return _this;\n }\n /**\n * @param {File} file File.\n * @param {Event} event Load event.\n * @private\n */\n DragAndDrop.prototype.handleResult_ = function (file, event) {\n var result = event.target.result;\n var map = this.getMap();\n var projection = this.projection_;\n if (!projection) {\n var view = map.getView();\n projection = view.getProjection();\n }\n var text;\n var formats = this.formats_;\n for (var i = 0, ii = formats.length; i < ii; ++i) {\n var format = formats[i];\n var input = result;\n if (this.readAsBuffer_ && format.getType() !== 'arraybuffer') {\n if (text === undefined) {\n text = new TextDecoder().decode(result);\n }\n input = text;\n }\n var features = this.tryReadFeatures_(format, input, {\n featureProjection: projection,\n });\n if (features && features.length > 0) {\n if (this.source_) {\n this.source_.clear();\n this.source_.addFeatures(features);\n }\n this.dispatchEvent(new DragAndDropEvent(DragAndDropEventType.ADD_FEATURES, file, features, projection));\n break;\n }\n }\n };\n /**\n * @private\n */\n DragAndDrop.prototype.registerListeners_ = function () {\n var map = this.getMap();\n if (map) {\n var dropArea = this.target ? this.target : map.getViewport();\n this.dropListenKeys_ = [\n listen(dropArea, EventType.DROP, this.handleDrop, this),\n listen(dropArea, EventType.DRAGENTER, this.handleStop, this),\n listen(dropArea, EventType.DRAGOVER, this.handleStop, this),\n listen(dropArea, EventType.DROP, this.handleStop, this),\n ];\n }\n };\n /**\n * Activate or deactivate the interaction.\n * @param {boolean} active Active.\n * @observable\n * @api\n */\n DragAndDrop.prototype.setActive = function (active) {\n if (!this.getActive() && active) {\n this.registerListeners_();\n }\n if (this.getActive() && !active) {\n this.unregisterListeners_();\n }\n _super.prototype.setActive.call(this, active);\n };\n /**\n * Remove the interaction from its current map and attach it to the new map.\n * Subclasses may set up event handlers to get notified about changes to\n * the map here.\n * @param {import(\"../PluggableMap.js\").default} map Map.\n */\n DragAndDrop.prototype.setMap = function (map) {\n this.unregisterListeners_();\n _super.prototype.setMap.call(this, map);\n if (this.getActive()) {\n this.registerListeners_();\n }\n };\n /**\n * @param {import(\"../format/Feature.js\").default} format Format.\n * @param {string} text Text.\n * @param {import(\"../format/Feature.js\").ReadOptions} options Read options.\n * @private\n * @return {Array} Features.\n */\n DragAndDrop.prototype.tryReadFeatures_ = function (format, text, options) {\n try {\n return (\n /** @type {Array} */\n (format.readFeatures(text, options)));\n }\n catch (e) {\n return null;\n }\n };\n /**\n * @private\n */\n DragAndDrop.prototype.unregisterListeners_ = function () {\n if (this.dropListenKeys_) {\n this.dropListenKeys_.forEach(unlistenByKey);\n this.dropListenKeys_ = null;\n }\n };\n /**\n * @param {DragEvent} event Event.\n */\n DragAndDrop.prototype.handleDrop = function (event) {\n var files = event.dataTransfer.files;\n for (var i = 0, ii = files.length; i < ii; ++i) {\n var file = files.item(i);\n var reader = new FileReader();\n reader.addEventListener(EventType.LOAD, this.handleResult_.bind(this, file));\n if (this.readAsBuffer_) {\n reader.readAsArrayBuffer(file);\n }\n else {\n reader.readAsText(file);\n }\n }\n };\n /**\n * @param {DragEvent} event Event.\n */\n DragAndDrop.prototype.handleStop = function (event) {\n event.stopPropagation();\n event.preventDefault();\n event.dataTransfer.dropEffect = 'copy';\n };\n return DragAndDrop;\n}(Interaction));\nexport default DragAndDrop;\n//# sourceMappingURL=DragAndDrop.js.map","var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\n/**\n * @module ol/interaction/DragBox\n */\n// FIXME draw drag box\nimport Event from '../events/Event.js';\nimport PointerInteraction from './Pointer.js';\nimport RenderBox from '../render/Box.js';\nimport { mouseActionButton } from '../events/condition.js';\n/**\n * A function that takes a {@link module:ol/MapBrowserEvent~MapBrowserEvent} and two\n * {@link module:ol/pixel~Pixel}s and returns a `{boolean}`. If the condition is met,\n * true should be returned.\n * @typedef {function(this: ?, import(\"../MapBrowserEvent.js\").default, import(\"../pixel.js\").Pixel, import(\"../pixel.js\").Pixel):boolean} EndCondition\n */\n/**\n * @typedef {Object} Options\n * @property {string} [className='ol-dragbox'] CSS class name for styling the box.\n * @property {import(\"../events/condition.js\").Condition} [condition] A function that takes an {@link module:ol/MapBrowserEvent~MapBrowserEvent} and returns a boolean\n * to indicate whether that event should be handled.\n * Default is {@link ol/events/condition~mouseActionButton}.\n * @property {number} [minArea=64] The minimum area of the box in pixel, this value is used by the default\n * `boxEndCondition` function.\n * @property {EndCondition} [boxEndCondition] A function that takes a {@link module:ol/MapBrowserEvent~MapBrowserEvent} and two\n * {@link module:ol/pixel~Pixel}s to indicate whether a `boxend` event should be fired.\n * Default is `true` if the area of the box is bigger than the `minArea` option.\n * @property {function(this:DragBox, import(\"../MapBrowserEvent.js\").default):void} [onBoxEnd] Code to execute just\n * before `boxend` is fired.\n */\n/**\n * @enum {string}\n */\nvar DragBoxEventType = {\n /**\n * Triggered upon drag box start.\n * @event DragBoxEvent#boxstart\n * @api\n */\n BOXSTART: 'boxstart',\n /**\n * Triggered on drag when box is active.\n * @event DragBoxEvent#boxdrag\n * @api\n */\n BOXDRAG: 'boxdrag',\n /**\n * Triggered upon drag box end.\n * @event DragBoxEvent#boxend\n * @api\n */\n BOXEND: 'boxend',\n /**\n * Triggered upon drag box canceled.\n * @event DragBoxEvent#boxcancel\n * @api\n */\n BOXCANCEL: 'boxcancel',\n};\n/**\n * @classdesc\n * Events emitted by {@link module:ol/interaction/DragBox~DragBox} instances are instances of\n * this type.\n */\nvar DragBoxEvent = /** @class */ (function (_super) {\n __extends(DragBoxEvent, _super);\n /**\n * @param {string} type The event type.\n * @param {import(\"../coordinate.js\").Coordinate} coordinate The event coordinate.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Originating event.\n */\n function DragBoxEvent(type, coordinate, mapBrowserEvent) {\n var _this = _super.call(this, type) || this;\n /**\n * The coordinate of the drag event.\n * @const\n * @type {import(\"../coordinate.js\").Coordinate}\n * @api\n */\n _this.coordinate = coordinate;\n /**\n * @const\n * @type {import(\"../MapBrowserEvent.js\").default}\n * @api\n */\n _this.mapBrowserEvent = mapBrowserEvent;\n return _this;\n }\n return DragBoxEvent;\n}(Event));\nexport { DragBoxEvent };\n/***\n * @template Return\n * @typedef {import(\"../Observable\").OnSignature &\n * import(\"../Observable\").OnSignature &\n * import(\"../Observable\").OnSignature<'boxcancel'|'boxdrag'|'boxend'|'boxstart', DragBoxEvent, Return> &\n * import(\"../Observable\").CombinedOnSignature} DragBoxOnSignature\n */\n/**\n * @classdesc\n * Allows the user to draw a vector box by clicking and dragging on the map,\n * normally combined with an {@link module:ol/events/condition} that limits\n * it to when the shift or other key is held down. This is used, for example,\n * for zooming to a specific area of the map\n * (see {@link module:ol/interaction/DragZoom~DragZoom} and\n * {@link module:ol/interaction/DragRotateAndZoom~DragRotateAndZoom}).\n *\n * @fires DragBoxEvent\n * @api\n */\nvar DragBox = /** @class */ (function (_super) {\n __extends(DragBox, _super);\n /**\n * @param {Options} [opt_options] Options.\n */\n function DragBox(opt_options) {\n var _this = _super.call(this) || this;\n /***\n * @type {DragBoxOnSignature}\n */\n _this.on;\n /***\n * @type {DragBoxOnSignature}\n */\n _this.once;\n /***\n * @type {DragBoxOnSignature}\n */\n _this.un;\n var options = opt_options ? opt_options : {};\n /**\n * @type {import(\"../render/Box.js\").default}\n * @private\n */\n _this.box_ = new RenderBox(options.className || 'ol-dragbox');\n /**\n * @type {number}\n * @private\n */\n _this.minArea_ = options.minArea !== undefined ? options.minArea : 64;\n if (options.onBoxEnd) {\n _this.onBoxEnd = options.onBoxEnd;\n }\n /**\n * @type {import(\"../pixel.js\").Pixel}\n * @private\n */\n _this.startPixel_ = null;\n /**\n * @private\n * @type {import(\"../events/condition.js\").Condition}\n */\n _this.condition_ = options.condition ? options.condition : mouseActionButton;\n /**\n * @private\n * @type {EndCondition}\n */\n _this.boxEndCondition_ = options.boxEndCondition\n ? options.boxEndCondition\n : _this.defaultBoxEndCondition;\n return _this;\n }\n /**\n * The default condition for determining whether the boxend event\n * should fire.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent The originating MapBrowserEvent\n * leading to the box end.\n * @param {import(\"../pixel.js\").Pixel} startPixel The starting pixel of the box.\n * @param {import(\"../pixel.js\").Pixel} endPixel The end pixel of the box.\n * @return {boolean} Whether or not the boxend condition should be fired.\n */\n DragBox.prototype.defaultBoxEndCondition = function (mapBrowserEvent, startPixel, endPixel) {\n var width = endPixel[0] - startPixel[0];\n var height = endPixel[1] - startPixel[1];\n return width * width + height * height >= this.minArea_;\n };\n /**\n * Returns geometry of last drawn box.\n * @return {import(\"../geom/Polygon.js\").default} Geometry.\n * @api\n */\n DragBox.prototype.getGeometry = function () {\n return this.box_.getGeometry();\n };\n /**\n * Handle pointer drag events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n */\n DragBox.prototype.handleDragEvent = function (mapBrowserEvent) {\n this.box_.setPixels(this.startPixel_, mapBrowserEvent.pixel);\n this.dispatchEvent(new DragBoxEvent(DragBoxEventType.BOXDRAG, mapBrowserEvent.coordinate, mapBrowserEvent));\n };\n /**\n * Handle pointer up events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragBox.prototype.handleUpEvent = function (mapBrowserEvent) {\n this.box_.setMap(null);\n var completeBox = this.boxEndCondition_(mapBrowserEvent, this.startPixel_, mapBrowserEvent.pixel);\n if (completeBox) {\n this.onBoxEnd(mapBrowserEvent);\n }\n this.dispatchEvent(new DragBoxEvent(completeBox ? DragBoxEventType.BOXEND : DragBoxEventType.BOXCANCEL, mapBrowserEvent.coordinate, mapBrowserEvent));\n return false;\n };\n /**\n * Handle pointer down events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragBox.prototype.handleDownEvent = function (mapBrowserEvent) {\n if (this.condition_(mapBrowserEvent)) {\n this.startPixel_ = mapBrowserEvent.pixel;\n this.box_.setMap(mapBrowserEvent.map);\n this.box_.setPixels(this.startPixel_, this.startPixel_);\n this.dispatchEvent(new DragBoxEvent(DragBoxEventType.BOXSTART, mapBrowserEvent.coordinate, mapBrowserEvent));\n return true;\n }\n else {\n return false;\n }\n };\n /**\n * Function to execute just before `onboxend` is fired\n * @param {import(\"../MapBrowserEvent.js\").default} event Event.\n */\n DragBox.prototype.onBoxEnd = function (event) { };\n return DragBox;\n}(PointerInteraction));\nexport default DragBox;\n//# sourceMappingURL=DragBox.js.map","var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\n/**\n * @module ol/interaction/DragPan\n */\nimport PointerInteraction, { centroid as centroidFromPointers, } from './Pointer.js';\nimport { FALSE } from '../functions.js';\nimport { all, focusWithTabindex, noModifierKeys, primaryAction, } from '../events/condition.js';\nimport { easeOut } from '../easing.js';\nimport { rotate as rotateCoordinate, scale as scaleCoordinate, } from '../coordinate.js';\n/**\n * @typedef {Object} Options\n * @property {import(\"../events/condition.js\").Condition} [condition] A function that takes an {@link module:ol/MapBrowserEvent~MapBrowserEvent} and returns a boolean\n * to indicate whether that event should be handled.\n * Default is {@link module:ol/events/condition.noModifierKeys} and {@link module:ol/events/condition.primaryAction}.\n * @property {boolean} [onFocusOnly=false] When the map's target has a `tabindex` attribute set,\n * the interaction will only handle events when the map has the focus.\n * @property {import(\"../Kinetic.js\").default} [kinetic] Kinetic inertia to apply to the pan.\n */\n/**\n * @classdesc\n * Allows the user to pan the map by dragging the map.\n * @api\n */\nvar DragPan = /** @class */ (function (_super) {\n __extends(DragPan, _super);\n /**\n * @param {Options} [opt_options] Options.\n */\n function DragPan(opt_options) {\n var _this = _super.call(this, {\n stopDown: FALSE,\n }) || this;\n var options = opt_options ? opt_options : {};\n /**\n * @private\n * @type {import(\"../Kinetic.js\").default|undefined}\n */\n _this.kinetic_ = options.kinetic;\n /**\n * @type {import(\"../pixel.js\").Pixel}\n */\n _this.lastCentroid = null;\n /**\n * @type {number}\n */\n _this.lastPointersCount_;\n /**\n * @type {boolean}\n */\n _this.panning_ = false;\n var condition = options.condition\n ? options.condition\n : all(noModifierKeys, primaryAction);\n /**\n * @private\n * @type {import(\"../events/condition.js\").Condition}\n */\n _this.condition_ = options.onFocusOnly\n ? all(focusWithTabindex, condition)\n : condition;\n /**\n * @private\n * @type {boolean}\n */\n _this.noKinetic_ = false;\n return _this;\n }\n /**\n * Handle pointer drag events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n */\n DragPan.prototype.handleDragEvent = function (mapBrowserEvent) {\n if (!this.panning_) {\n this.panning_ = true;\n this.getMap().getView().beginInteraction();\n }\n var targetPointers = this.targetPointers;\n var centroid = centroidFromPointers(targetPointers);\n if (targetPointers.length == this.lastPointersCount_) {\n if (this.kinetic_) {\n this.kinetic_.update(centroid[0], centroid[1]);\n }\n if (this.lastCentroid) {\n var delta = [\n this.lastCentroid[0] - centroid[0],\n centroid[1] - this.lastCentroid[1],\n ];\n var map = mapBrowserEvent.map;\n var view = map.getView();\n scaleCoordinate(delta, view.getResolution());\n rotateCoordinate(delta, view.getRotation());\n view.adjustCenterInternal(delta);\n }\n }\n else if (this.kinetic_) {\n // reset so we don't overestimate the kinetic energy after\n // after one finger down, tiny drag, second finger down\n this.kinetic_.begin();\n }\n this.lastCentroid = centroid;\n this.lastPointersCount_ = targetPointers.length;\n mapBrowserEvent.originalEvent.preventDefault();\n };\n /**\n * Handle pointer up events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragPan.prototype.handleUpEvent = function (mapBrowserEvent) {\n var map = mapBrowserEvent.map;\n var view = map.getView();\n if (this.targetPointers.length === 0) {\n if (!this.noKinetic_ && this.kinetic_ && this.kinetic_.end()) {\n var distance = this.kinetic_.getDistance();\n var angle = this.kinetic_.getAngle();\n var center = view.getCenterInternal();\n var centerpx = map.getPixelFromCoordinateInternal(center);\n var dest = map.getCoordinateFromPixelInternal([\n centerpx[0] - distance * Math.cos(angle),\n centerpx[1] - distance * Math.sin(angle),\n ]);\n view.animateInternal({\n center: view.getConstrainedCenter(dest),\n duration: 500,\n easing: easeOut,\n });\n }\n if (this.panning_) {\n this.panning_ = false;\n view.endInteraction();\n }\n return false;\n }\n else {\n if (this.kinetic_) {\n // reset so we don't overestimate the kinetic energy after\n // after one finger up, tiny drag, second finger up\n this.kinetic_.begin();\n }\n this.lastCentroid = null;\n return true;\n }\n };\n /**\n * Handle pointer down events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragPan.prototype.handleDownEvent = function (mapBrowserEvent) {\n if (this.targetPointers.length > 0 && this.condition_(mapBrowserEvent)) {\n var map = mapBrowserEvent.map;\n var view = map.getView();\n this.lastCentroid = null;\n // stop any current animation\n if (view.getAnimating()) {\n view.cancelAnimations();\n }\n if (this.kinetic_) {\n this.kinetic_.begin();\n }\n // No kinetic as soon as more than one pointer on the screen is\n // detected. This is to prevent nasty pans after pinch.\n this.noKinetic_ = this.targetPointers.length > 1;\n return true;\n }\n else {\n return false;\n }\n };\n return DragPan;\n}(PointerInteraction));\nexport default DragPan;\n//# sourceMappingURL=DragPan.js.map","var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\n/**\n * @module ol/interaction/DragRotate\n */\nimport PointerInteraction from './Pointer.js';\nimport { FALSE } from '../functions.js';\nimport { altShiftKeysOnly, mouseActionButton, mouseOnly, } from '../events/condition.js';\nimport { disable } from '../rotationconstraint.js';\n/**\n * @typedef {Object} Options\n * @property {import(\"../events/condition.js\").Condition} [condition] A function that takes an\n * {@link module:ol/MapBrowserEvent~MapBrowserEvent} and returns a boolean\n * to indicate whether that event should be handled.\n * Default is {@link module:ol/events/condition.altShiftKeysOnly}.\n * @property {number} [duration=250] Animation duration in milliseconds.\n */\n/**\n * @classdesc\n * Allows the user to rotate the map by clicking and dragging on the map,\n * normally combined with an {@link module:ol/events/condition} that limits\n * it to when the alt and shift keys are held down.\n *\n * This interaction is only supported for mouse devices.\n * @api\n */\nvar DragRotate = /** @class */ (function (_super) {\n __extends(DragRotate, _super);\n /**\n * @param {Options} [opt_options] Options.\n */\n function DragRotate(opt_options) {\n var _this = this;\n var options = opt_options ? opt_options : {};\n _this = _super.call(this, {\n stopDown: FALSE,\n }) || this;\n /**\n * @private\n * @type {import(\"../events/condition.js\").Condition}\n */\n _this.condition_ = options.condition ? options.condition : altShiftKeysOnly;\n /**\n * @private\n * @type {number|undefined}\n */\n _this.lastAngle_ = undefined;\n /**\n * @private\n * @type {number}\n */\n _this.duration_ = options.duration !== undefined ? options.duration : 250;\n return _this;\n }\n /**\n * Handle pointer drag events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n */\n DragRotate.prototype.handleDragEvent = function (mapBrowserEvent) {\n if (!mouseOnly(mapBrowserEvent)) {\n return;\n }\n var map = mapBrowserEvent.map;\n var view = map.getView();\n if (view.getConstraints().rotation === disable) {\n return;\n }\n var size = map.getSize();\n var offset = mapBrowserEvent.pixel;\n var theta = Math.atan2(size[1] / 2 - offset[1], offset[0] - size[0] / 2);\n if (this.lastAngle_ !== undefined) {\n var delta = theta - this.lastAngle_;\n view.adjustRotationInternal(-delta);\n }\n this.lastAngle_ = theta;\n };\n /**\n * Handle pointer up events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragRotate.prototype.handleUpEvent = function (mapBrowserEvent) {\n if (!mouseOnly(mapBrowserEvent)) {\n return true;\n }\n var map = mapBrowserEvent.map;\n var view = map.getView();\n view.endInteraction(this.duration_);\n return false;\n };\n /**\n * Handle pointer down events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragRotate.prototype.handleDownEvent = function (mapBrowserEvent) {\n if (!mouseOnly(mapBrowserEvent)) {\n return false;\n }\n if (mouseActionButton(mapBrowserEvent) &&\n this.condition_(mapBrowserEvent)) {\n var map = mapBrowserEvent.map;\n map.getView().beginInteraction();\n this.lastAngle_ = undefined;\n return true;\n }\n else {\n return false;\n }\n };\n return DragRotate;\n}(PointerInteraction));\nexport default DragRotate;\n//# sourceMappingURL=DragRotate.js.map","var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\n/**\n * @module ol/interaction/DragRotateAndZoom\n */\nimport PointerInteraction from './Pointer.js';\nimport { mouseOnly, shiftKeyOnly } from '../events/condition.js';\n/**\n * @typedef {Object} Options\n * @property {import(\"../events/condition.js\").Condition} [condition] A function that\n * takes an {@link module:ol/MapBrowserEvent~MapBrowserEvent} and returns a\n * boolean to indicate whether that event should be handled.\n * Default is {@link module:ol/events/condition.shiftKeyOnly}.\n * @property {number} [duration=400] Animation duration in milliseconds.\n */\n/**\n * @classdesc\n * Allows the user to zoom and rotate the map by clicking and dragging\n * on the map. By default, this interaction is limited to when the shift\n * key is held down.\n *\n * This interaction is only supported for mouse devices.\n *\n * And this interaction is not included in the default interactions.\n * @api\n */\nvar DragRotateAndZoom = /** @class */ (function (_super) {\n __extends(DragRotateAndZoom, _super);\n /**\n * @param {Options} [opt_options] Options.\n */\n function DragRotateAndZoom(opt_options) {\n var _this = this;\n var options = opt_options ? opt_options : {};\n _this = _super.call(this, /** @type {import(\"./Pointer.js\").Options} */ (options)) || this;\n /**\n * @private\n * @type {import(\"../events/condition.js\").Condition}\n */\n _this.condition_ = options.condition ? options.condition : shiftKeyOnly;\n /**\n * @private\n * @type {number|undefined}\n */\n _this.lastAngle_ = undefined;\n /**\n * @private\n * @type {number|undefined}\n */\n _this.lastMagnitude_ = undefined;\n /**\n * @private\n * @type {number}\n */\n _this.lastScaleDelta_ = 0;\n /**\n * @private\n * @type {number}\n */\n _this.duration_ = options.duration !== undefined ? options.duration : 400;\n return _this;\n }\n /**\n * Handle pointer drag events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n */\n DragRotateAndZoom.prototype.handleDragEvent = function (mapBrowserEvent) {\n if (!mouseOnly(mapBrowserEvent)) {\n return;\n }\n var map = mapBrowserEvent.map;\n var size = map.getSize();\n var offset = mapBrowserEvent.pixel;\n var deltaX = offset[0] - size[0] / 2;\n var deltaY = size[1] / 2 - offset[1];\n var theta = Math.atan2(deltaY, deltaX);\n var magnitude = Math.sqrt(deltaX * deltaX + deltaY * deltaY);\n var view = map.getView();\n if (this.lastAngle_ !== undefined) {\n var angleDelta = this.lastAngle_ - theta;\n view.adjustRotationInternal(angleDelta);\n }\n this.lastAngle_ = theta;\n if (this.lastMagnitude_ !== undefined) {\n view.adjustResolutionInternal(this.lastMagnitude_ / magnitude);\n }\n if (this.lastMagnitude_ !== undefined) {\n this.lastScaleDelta_ = this.lastMagnitude_ / magnitude;\n }\n this.lastMagnitude_ = magnitude;\n };\n /**\n * Handle pointer up events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragRotateAndZoom.prototype.handleUpEvent = function (mapBrowserEvent) {\n if (!mouseOnly(mapBrowserEvent)) {\n return true;\n }\n var map = mapBrowserEvent.map;\n var view = map.getView();\n var direction = this.lastScaleDelta_ > 1 ? 1 : -1;\n view.endInteraction(this.duration_, direction);\n this.lastScaleDelta_ = 0;\n return false;\n };\n /**\n * Handle pointer down events.\n * @param {import(\"../MapBrowserEvent.js\").default} mapBrowserEvent Event.\n * @return {boolean} If the event was consumed.\n */\n DragRotateAndZoom.prototype.handleDownEvent = function (mapBrowserEvent) {\n if (!mouseOnly(mapBrowserEvent)) {\n return false;\n }\n if (this.condition_(mapBrowserEvent)) {\n mapBrowserEvent.map.getView().beginInteraction();\n this.lastAngle_ = undefined;\n this.lastMagnitude_ = undefined;\n return true;\n }\n else {\n return false;\n }\n };\n return DragRotateAndZoom;\n}(PointerInteraction));\nexport default DragRotateAndZoom;\n//# sourceMappingURL=DragRotateAndZoom.js.map","var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\n/**\n * @module ol/interaction/DragZoom\n */\nimport DragBox from './DragBox.js';\nimport { easeOut } from '../easing.js';\nimport { shiftKeyOnly } from '../events/condition.js';\n/**\n * @typedef {Object} Options\n * @property {string} [className='ol-dragzoom'] CSS class name for styling the\n * box.\n * @property {import(\"../events/condition.js\").Condition} [condition] A function that\n * takes an {@link module:ol/MapBrowserEvent~MapBrowserEvent} and returns a\n * boolean to indicate whether that event should be handled.\n * Default is {@link module:ol/events/condition.shiftKeyOnly}.\n * @property {number} [duration=200] Animation duration in milliseconds.\n * @property {boolean} [out=false] Use interaction for zooming out.\n * @property {number} [minArea=64] The minimum area of the box in pixel, this value is used by the parent default\n * `boxEndCondition` function.\n */\n/**\n * @classdesc\n * Allows the user to zoom the map by clicking and dragging on the map,\n * normally combined with an {@link module:ol/events/condition} that limits\n * it to when a key, shift by default, is held down.\n *\n * To change the style of the box, use CSS and the `.ol-dragzoom` selector, or\n * your custom one configured with `className`.\n * @api\n */\nvar DragZoom = /** @class */ (function (_super) {\n __extends(DragZoom, _super);\n /**\n * @param {Options} [opt_options] Options.\n */\n function DragZoom(opt_options) {\n var _this = this;\n var options = opt_options ? opt_options : {};\n var condition = options.condition ? options.condition : shiftKeyOnly;\n _this = _super.call(this, {\n condition: condition,\n className: options.className || 'ol-dragzoom',\n minArea: options.minArea,\n }) || this;\n /**\n * @private\n * @type {number}\n */\n _this.duration_ = options.duration !== undefined ? options.duration : 200;\n /**\n * @private\n * @type {boolean}\n */\n _this.out_ = options.out !== undefined ? options.out : false;\n return _this;\n }\n /**\n * Function to execute just before `onboxend` is fired\n * @param {import(\"../MapBrowserEvent.js\").default} event Event.\n */\n DragZoom.prototype.onBoxEnd = function (event) {\n var map = this.getMap();\n var view = /** @type {!import(\"../View.js\").default} */ (map.getView());\n var geometry = this.getGeometry();\n if (this.out_) {\n var rotatedExtent = view.rotatedExtentForGeometry(geometry);\n var resolution = view.getResolutionForExtentInternal(rotatedExtent);\n var factor = view.getResolution() / resolution;\n geometry = geometry.clone();\n geometry.scale(factor * factor);\n }\n view.fitInternal(geometry, {\n duration: this.duration_,\n easing: easeOut,\n });\n };\n return DragZoom;\n}(DragBox));\nexport default DragZoom;\n//# sourceMappingURL=DragZoom.js.map","var __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n if (typeof b !== \"function\" && b !== null)\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\n/**\n * @module ol/interaction/Draw\n */\nimport Circle from '../geom/Circle.js';\nimport Event from '../events/Event.js';\nimport EventType from '../events/EventType.js';\nimport Feature from '../Feature.js';\nimport GeometryLayout from '../geom/GeometryLayout.js';\nimport InteractionProperty from './Property.js';\nimport LineString from '../geom/LineString.js';\nimport MapBrowserEvent from '../MapBrowserEvent.js';\nimport MapBrowserEventType from '../MapBrowserEventType.js';\nimport MultiLineString from '../geom/MultiLineString.js';\nimport MultiPoint from '../geom/MultiPoint.js';\nimport MultiPolygon from '../geom/MultiPolygon.js';\nimport Point from '../geom/Point.js';\nimport PointerInteraction from './Pointer.js';\nimport Polygon, { fromCircle, makeRegular } from '../geom/Polygon.js';\nimport VectorLayer from '../layer/Vector.js';\nimport VectorSource from '../source/Vector.js';\nimport { FALSE, TRUE } from '../functions.js';\nimport { always, noModifierKeys, shiftKeyOnly } from '../events/condition.js';\nimport { boundingExtent, getBottomLeft, getBottomRight, getTopLeft, getTopRight, } from '../extent.js';\nimport { createEditingStyle } from '../style/Style.js';\nimport { fromUserCoordinate, getUserProjection } from '../proj.js';\nimport { getStrideForLayout } from '../geom/SimpleGeometry.js';\nimport { squaredDistance as squaredCoordinateDistance } from '../coordinate.js';\n/**\n * @typedef {Object} Options\n * @property {import(\"../geom/Geometry.js\").Type} type Geometry type of\n * the geometries being drawn with this instance.\n * @property {number} [clickTolerance=6] The maximum distance in pixels between\n * \"down\" and \"up\" for a \"up\" event to be considered a \"click\" event and\n * actually add a point/vertex to the geometry being drawn. The default of `6`\n * was chosen for the draw interaction to behave correctly on mouse as well as\n * on touch devices.\n * @property {import(\"../Collection.js\").default} [features]\n * Destination collection for the drawn features.\n * @property {VectorSource} [source] Destination source for\n * the drawn features.\n * @property {number} [dragVertexDelay=500] Delay in milliseconds after pointerdown\n * before the current vertex can be dragged to its exact position.\n * @property {number} [snapTolerance=12] Pixel distance for snapping to the\n * drawing finish. Must be greater than `0`.\n * @property {boolean} [stopClick=false] Stop click, singleclick, and\n * doubleclick events from firing during drawing.\n * @property {number} [maxPoints] The number of points that can be drawn before\n * a polygon ring or line string is finished. By default there is no\n * restriction.\n * @property {number} [minPoints] The number of points that must be drawn\n * before a polygon ring or line string can be finished. Default is `3` for\n * polygon rings and `2` for line strings.\n * @property {import(\"../events/condition.js\").Condition} [finishCondition] A function\n * that takes an {@link module:ol/MapBrowserEvent~MapBrowserEvent} and returns a\n * boolean to indicate whether the drawing can be finished. Not used when drawing\n * POINT or MULTI_POINT geometries.\n * @property {import(\"../style/Style.js\").StyleLike} [style]\n * Style for sketch features.\n * @property {GeometryFunction} [geometryFunction]\n * Function that is called when a geometry's coordinates are updated.\n * @property {string} [geometryName] Geometry name to use for features created\n * by the draw interaction.\n * @property {import(\"../events/condition.js\").Condition} [condition] A function that\n * takes an {@link module:ol/MapBrowserEvent~MapBrowserEvent} and returns a\n * boolean to indicate whether that event should be handled.\n * By default {@link module:ol/events/condition.noModifierKeys}, i.e. a click,\n * adds a vertex or deactivates freehand drawing.\n * @property {boolean} [freehand=false] Operate in freehand mode for lines,\n * polygons, and circles. This makes the interaction always operate in freehand\n * mode and takes precedence over any `freehandCondition` option.\n * @property {import(\"../events/condition.js\").Condition} [freehandCondition]\n * Condition that activates freehand drawing for lines and polygons. This\n * function takes an {@link module:ol/MapBrowserEvent~MapBrowserEvent} and\n * returns a boolean to indicate whether that event should be handled. The\n * default is {@link module:ol/events/condition.shiftKeyOnly}, meaning that the\n * Shift key activates freehand drawing.\n * @property {boolean} [wrapX=false] Wrap the world horizontally on the sketch\n * overlay.\n * @property {GeometryLayout} [geometryLayout='XY'] Layout of the\n * feature geometries created by the draw interaction.\n */\n/**\n * Coordinate type when drawing points.\n * @typedef {import(\"../coordinate.js\").Coordinate} PointCoordType\n */\n/**\n * Coordinate type when drawing lines.\n * @typedef {Array} LineCoordType\n */\n/**\n * Coordinate type when drawing polygons.\n * @typedef {Array>} PolyCoordType\n */\n/**\n * Types used for drawing coordinates.\n * @typedef {PointCoordType|LineCoordType|PolyCoordType} SketchCoordType\n */\n/**\n * Function that takes an array of coordinates and an optional existing geometry\n * and a projection as arguments, and returns a geometry. The optional existing\n * geometry is the geometry that is returned when the function is called without\n * a second argument.\n * @typedef {function(!SketchCoordType, import(\"../geom/SimpleGeometry.js\").default,\n * import(\"../proj/Projection.js\").default):\n * import(\"../geom/SimpleGeometry.js\").default} GeometryFunction\n */\n/**\n * Draw mode. This collapses multi-part geometry types with their single-part\n * cousins.\n * @enum {string}\n */\nvar Mode = {\n POINT: 'Point',\n LINE_STRING: 'LineString',\n POLYGON: 'Polygon',\n CIRCLE: 'Circle',\n};\n/**\n * @enum {string}\n */\nvar DrawEventType = {\n /**\n * Triggered upon feature draw start\n * @event DrawEvent#drawstart\n * @api\n */\n DRAWSTART: 'drawstart',\n /**\n * Triggered upon feature draw end\n * @event DrawEvent#drawend\n * @api\n */\n DRAWEND: 'drawend',\n /**\n * Triggered upon feature draw abortion\n * @event DrawEvent#drawabort\n * @api\n */\n DRAWABORT: 'drawabort',\n};\n/**\n * @classdesc\n * Events emitted by {@link module:ol/interaction/Draw~Draw} instances are\n * instances of this type.\n */\nvar DrawEvent = /** @class */ (function (_super) {\n __extends(DrawEvent, _super);\n /**\n * @param {DrawEventType} type Type.\n * @param {Feature} feature The feature drawn.\n */\n function DrawEvent(type, feature) {\n var _this = _super.call(this, type) || this;\n /**\n * The feature being drawn.\n * @type {Feature}\n * @api\n */\n _this.feature = feature;\n return _this;\n }\n return DrawEvent;\n}(Event));\nexport { DrawEvent };\n/***\n * @template Return\n * @typedef {import(\"../Observable\").OnSignature &\n * import(\"../Observable\").OnSignature &\n * import(\"../Observable\").OnSignature<'drawabort'|'drawend'|'drawstart', DrawEvent, Return> &\n * import(\"../Observable\").CombinedOnSignature} DrawOnSignature\n */\n/**\n * @classdesc\n * Interaction for drawing feature geometries.\n *\n * @fires DrawEvent\n * @api\n */\nvar Draw = /** @class */ (function (_super) {\n __extends(Draw, _super);\n /**\n * @param {Options} options Options.\n */\n function Draw(options) {\n var _this = this;\n var pointerOptions = /** @type {import(\"./Pointer.js\").Options} */ (options);\n if (!pointerOptions.stopDown) {\n pointerOptions.stopDown = FALSE;\n }\n _this = _super.call(this, pointerOptions) || this;\n /***\n * @type {DrawOnSignature}\n */\n _this.on;\n /***\n * @type {DrawOnSignature}\n */\n _this.once;\n /***\n * @type {DrawOnSignature}\n */\n _this.un;\n /**\n * @type {boolean}\n * @private\n */\n _this.shouldHandle_ = false;\n /**\n * @type {import(\"../pixel.js\").Pixel}\n * @private\n */\n _this.downPx_ = null;\n /**\n * @type {?}\n * @private\n */\n _this.downTimeout_;\n /**\n * @type {number|undefined}\n * @private\n */\n _this.lastDragTime_;\n /**\n * Pointer type of the last pointermove event\n * @type {string}\n * @private\n */\n _this.pointerType_;\n /**\n * @type {boolean}\n * @private\n */\n _this.freehand_ = false;\n /**\n * Target source for drawn features.\n * @type {VectorSource|null}\n * @private\n */\n _this.source_ = options.source ? options.source : null;\n /**\n * Target collection for drawn features.\n * @type {import(\"../Collection.js\").default|null}\n * @private\n */\n _this.features_ = options.features ? options.features : null;\n /**\n * Pixel distance for snapping.\n * @type {number}\n * @private\n */\n _this.snapTolerance_ = options.snapTolerance ? options.snapTolerance : 12;\n /**\n * Geometry type.\n * @type {import(\"../geom/Geometry.js\").Type}\n * @private\n */\n _this.type_ = /** @type {import(\"../geom/Geometry.js\").Type} */ (options.type);\n /**\n * Drawing mode (derived from geometry type.\n * @type {Mode}\n * @private\n */\n _this.mode_ = getMode(_this.type_);\n /**\n * Stop click, singleclick, and doubleclick events from firing during drawing.\n * Default is `false`.\n * @type {boolean}\n * @private\n */\n _this.stopClick_ = !!options.stopClick;\n /**\n * The number of points that must be drawn before a polygon ring or line\n * string can be finished. The default is 3 for polygon rings and 2 for\n * line strings.\n * @type {number}\n * @private\n */\n _this.minPoints_ = options.minPoints\n ? options.minPoints\n : _this.mode_ === Mode.POLYGON\n ? 3\n : 2;\n /**\n * The number of points that can be drawn before a polygon ring or line string\n * is finished. The default is no restriction.\n * @type {number}\n * @private\n */\n _this.maxPoints_ =\n _this.mode_ === Mode.CIRCLE\n ? 2\n : options.maxPoints\n ? options.maxPoints\n : Infinity;\n /**\n * A function to decide if a potential finish coordinate is permissible\n * @private\n * @type {import(\"../events/condition.js\").Condition}\n */\n _this.finishCondition_ = options.finishCondition\n ? options.finishCondition\n : TRUE;\n /**\n * @private\n * @type {import(\"../geom/GeometryLayout\").default}\n */\n _this.geometryLayout_ = options.geometryLayout\n ? options.geometryLayout\n : GeometryLayout.XY;\n var geometryFunction = options.geometryFunction;\n if (!geometryFunction) {\n var mode_1 = _this.mode_;\n if (mode_1 === Mode.CIRCLE) {\n /**\n * @param {!LineCoordType} coordinates The coordinates.\n * @param {import(\"../geom/SimpleGeometry.js\").default|undefined} geometry Optional geometry.\n * @param {import(\"../proj/Projection.js\").default} projection The view projection.\n * @return {import(\"../geom/SimpleGeometry.js\").default} A geometry.\n */\n geometryFunction = function (coordinates, geometry, projection) {\n var circle = geometry\n ? /** @type {Circle} */ (geometry)\n : new Circle([NaN, NaN]);\n var center = fromUserCoordinate(coordinates[0], projection);\n var squaredLength = squaredCoordinateDistance(center, fromUserCoordinate(coordinates[coordinates.length - 1], projection));\n circle.setCenterAndRadius(center, Math.sqrt(squaredLength), this.geometryLayout_);\n var userProjection = getUserProjection();\n if (userProjection) {\n circle.transform(projection, userProjection);\n }\n return circle;\n };\n }\n else {\n var Constructor_1;\n if (mode_1 === Mode.POINT) {\n Constructor_1 = Point;\n }\n else if (mode_1 === Mode.LINE_STRING) {\n Constructor_1 = LineString;\n }\n else if (mode_1 === Mode.POLYGON) {\n Constructor_1 = Polygon;\n }\n /**\n * @param {!LineCoordType} coordinates The coordinates.\n * @param {import(\"../geom/SimpleGeometry.js\").default|undefined} geometry Optional geometry.\n * @param {import(\"../proj/Projection.js\").default} projection The view projection.\n * @return {import(\"../geom/SimpleGeometry.js\").default} A geometry.\n */\n geometryFunction = function (coordinates, geometry, projection) {\n if (geometry) {\n if (mode_1 === Mode.POLYGON) {\n if (coordinates[0].length) {\n // Add a closing coordinate to match the first\n geometry.setCoordinates([coordinates[0].concat([coordinates[0][0]])], this.geometryLayout_);\n }\n else {\n geometry.setCoordinates([], this.geometryLayout_);\n }\n }\n else {\n geometry.setCoordinates(coordinates, this.geometryLayout_);\n }\n }\n else {\n geometry = new Constructor_1(coordinates, this.geometryLayout_);\n }\n return geometry;\n };\n }\n }\n /**\n * @type {GeometryFunction}\n * @private\n */\n _this.geometryFunction_ = geometryFunction;\n /**\n * @type {number}\n * @private\n */\n _this.dragVertexDelay_ =\n options.dragVertexDelay !== undefined ? options.dragVertexDelay : 500;\n /**\n * Finish coordinate for the feature (first point for polygons, last point for\n * linestrings).\n * @type {import(\"../coordinate.js\").Coordinate}\n * @private\n */\n _this.finishCoordinate_ = null;\n /**\n * Sketch feature.\n * @type {Feature}\n * @private\n */\n _this.sketchFeature_ = null;\n /**\n * Sketch point.\n * @type {Feature}\n * @private\n */\n _this.sketchPoint_ = null;\n /**\n * Sketch coordinates. Used when drawing a line or polygon.\n * @type {SketchCoordType}\n * @private\n */\n _this.sketchCoords_ = null;\n /**\n * Sketch line. Used when drawing polygon.\n * @type {Feature}\n * @private\n */\n _this.sketchLine_ = null;\n /**\n * Sketch line coordinates. Used when drawing a polygon or circle.\n * @type {LineCoordType}\n * @private\n */\n _this.sketchLineCoords_ = null;\n /**\n * Squared tolerance for handling up events. If the squared distance\n * between a down and up event is greater than this tolerance, up events\n * will not be handled.\n * @type {number}\n * @private\n */\n _this.squaredClickTolerance_ = options.clickTolerance\n ? options.clickTolerance * options.clickTolerance\n : 36;\n /**\n * Draw overlay where our sketch features are drawn.\n * @type {VectorLayer}\n * @private\n */\n _this.overlay_ = new VectorLayer({\n source: new VectorSource({\n useSpatialIndex: false,\n wrapX: options.wrapX ? options.wrapX : false,\n }),\n style: options.style ? options.style : getDefaultStyleFunction(),\n updateWhileInteracting: true,\n });\n /**\n * Name of the geometry attribute for newly created features.\n * @type {string|undefined}\n * @private\n */\n _this.geometryName_ = options.geometryName;\n /**\n * @private\n * @type {import(\"../events/condition.js\").Condition}\n */\n _this.condition_ = options.condition ? options.condition : noModifierKeys;\n /**\n * @private\n * @type {import(\"../events/condition.js\").Condition}\n */\n _this.freehandCondition_;\n if (options.freehand) {\n _this.freehandCondition_ = always;\n }\n else {\n _this.freehandCondition_ = options.freehandCondition\n ? options.freehandCondition\n : shiftKeyOnly;\n }\n _this.addChangeListener(InteractionProperty.ACTIVE, _this.updateState_);\n return _this;\n }\n /**\n * Remove the interaction from its current map and attach it to the new map.\n * Subclasses may set up event handlers to get notified about changes to\n * the map here.\n * @param {import(\"../PluggableMap.js\").default} map Map.\n */\n Draw.prototype.setMap = function (map) {\n _super.prototype.setMap.call(this, map);\n this.updateState_();\n };\n /**\n * Get the overlay layer that this interaction renders sketch features to.\n * @return {VectorLayer} Overlay layer.\n * @api\n */\n Draw.prototype.getOverlay = function () {\n return this.overlay_;\n };\n /**\n * Handles the {@link module:ol/MapBrowserEvent~MapBrowserEvent map browser event} and may actually draw or finish the drawing.\n * @param {import(\"../MapBrowserEvent.js\").default} event Map browser event.\n * @return {boolean} `false` to stop event propagation.\n * @api\n */\n Draw.prototype.handleEvent = function (event) {\n if (event.originalEvent.type === EventType.CONTEXTMENU) {\n // Avoid context menu for long taps when drawing on mobile\n event.originalEvent.preventDefault();\n }\n this.freehand_ =\n this.mode_ !== Mode.POINT && this.freehandCondition_(event);\n var move = event.type === MapBrowserEventType.POINTERMOVE;\n var pass = true;\n if (!this.freehand_ &&\n this.lastDragTime_ &&\n event.type === MapBrowserEventType.POINTERDRAG) {\n var now = Date.now();\n if (now - this.lastDragTime_ >= this.dragVertexDelay_) {\n this.downPx_ = event.pixel;\n this.shouldHandle_ = !this.freehand_;\n move = true;\n }\n else {\n this.lastDragTime_ = undefined;\n }\n if (this.shouldHandle_ && this.downTimeout_ !== undefined) {\n clearTimeout(this.downTimeout_);\n this.downTimeout_ = undefined;\n }\n }\n if (this.freehand_ &&\n event.type === MapBrowserEventType.POINTERDRAG &&\n this.sketchFeature_ !== null) {\n this.addToDrawing_(event.coordinate);\n pass = false;\n }\n else if (this.freehand_ &&\n event.type === MapBrowserEventType.POINTERDOWN) {\n pass = false;\n }\n else if (move && this.getPointerCount() < 2) {\n pass = event.type === MapBrowserEventType.POINTERMOVE;\n if (pass && this.freehand_) {\n this.handlePointerMove_(event);\n if (this.shouldHandle_) {\n // Avoid page scrolling when freehand drawing on mobile\n event.originalEvent.preventDefault();\n }\n }\n else if (event.originalEvent.pointerType === 'mouse' ||\n (event.type === MapBrowserEventType.POINTERDRAG &&\n this.downTimeout_ === undefined)) {\n this.handlePointerMove_(event);\n }\n }\n else if (event.type === MapBrowserEventType.DBLCLICK) {\n pass = false;\n }\n return _super.prototype.handleEvent.call(this, event) && pass;\n };\n /**\n * Handle pointer down events.\n * @param {import(\"../MapBrowserEvent.js\").default} event Event.\n * @return {boolean} If the event was consumed.\n */\n Draw.prototype.handleDownEvent = function (event) {\n this.shouldHandle_ = !this.freehand_;\n if (this.freehand_) {\n this.downPx_ = event.pixel;\n if (!this.finishCoordinate_) {\n this.startDrawing_(event.coordinate);\n }\n return true;\n }\n else if (this.condition_(event)) {\n this.lastDragTime_ = Date.now();\n this.downTimeout_ = setTimeout(function () {\n this.handlePointerMove_(new MapBrowserEvent(MapBrowserEventType.POINTERMOVE, event.map, event.originalEvent, false, event.frameState));\n }.bind(this), this.dragVertexDelay_);\n this.downPx_ = event.pixel;\n return true;\n }\n else {\n this.lastDragTime_ = undefined;\n return false;\n }\n };\n /**\n * Handle pointer up events.\n * @param {import(\"../MapBrowserEvent.js\").default} event Event.\n * @return {boolean} If the event was consumed.\n */\n Draw.prototype.handleUpEvent = function (event) {\n var pass = true;\n if (this.getPointerCount() === 0) {\n if (this.downTimeout_) {\n clearTimeout(this.downTimeout_);\n this.downTimeout_ = undefined;\n }\n this.handlePointerMove_(event);\n if (this.shouldHandle_) {\n var startingToDraw = !this.finishCoordinate_;\n if (startingToDraw) {\n this.startDrawing_(event.coordinate);\n }\n if (!startingToDraw && this.freehand_) {\n this.finishDrawing();\n }\n else if (!this.freehand_ &&\n (!startingToDraw || this.mode_ === Mode.POINT)) {\n if (this.atFinish_(event.pixel)) {\n if (this.finishCondition_(event)) {\n this.finishDrawing();\n }\n }\n else {\n this.addToDrawing_(event.coordinate);\n }\n }\n pass = false;\n }\n else if (this.freehand_) {\n this.abortDrawing();\n }\n }\n if (!pass && this.stopClick_) {\n event.preventDefault();\n }\n return pass;\n };\n /**\n * Handle move events.\n * @param {import(\"../MapBrowserEvent.js\").default} event A move event.\n * @private\n */\n Draw.prototype.handlePointerMove_ = function (event) {\n this.pointerType_ = event.originalEvent.pointerType;\n if (this.downPx_ &&\n ((!this.freehand_ && this.shouldHandle_) ||\n (this.freehand_ && !this.shouldHandle_))) {\n var downPx = this.downPx_;\n var clickPx = event.pixel;\n var dx = downPx[0] - clickPx[0];\n var dy = downPx[1] - clickPx[1];\n var squaredDistance = dx * dx + dy * dy;\n this.shouldHandle_ = this.freehand_\n ? squaredDistance > this.squaredClickTolerance_\n : squaredDistance <= this.squaredClickTolerance_;\n if (!this.shouldHandle_) {\n return;\n }\n }\n if (this.finishCoordinate_) {\n this.modifyDrawing_(event.coordinate);\n }\n else {\n this.createOrUpdateSketchPoint_(event.coordinate.slice());\n }\n };\n /**\n * Determine if an event is within the snapping tolerance of the start coord.\n * @param {import(\"../pixel.js\").Pixel} pixel Pixel.\n * @return {boolean} The event is within the snapping tolerance of the start.\n * @private\n */\n Draw.prototype.atFinish_ = function (pixel) {\n var at = false;\n if (this.sketchFeature_) {\n var potentiallyDone = false;\n var potentiallyFinishCoordinates = [this.finishCoordinate_];\n var mode = this.mode_;\n if (mode === Mode.POINT) {\n at = true;\n }\n else if (mode === Mode.CIRCLE) {\n at = this.sketchCoords_.length === 2;\n }\n else if (mode === Mode.LINE_STRING) {\n potentiallyDone = this.sketchCoords_.length > this.minPoints_;\n }\n else if (mode === Mode.POLYGON) {\n var sketchCoords = /** @type {PolyCoordType} */ (this.sketchCoords_);\n potentiallyDone = sketchCoords[0].length > this.minPoints_;\n potentiallyFinishCoordinates = [\n sketchCoords[0][0],\n sketchCoords[0][sketchCoords[0].length - 2],\n ];\n }\n if (potentiallyDone) {\n var map = this.getMap();\n for (var i = 0, ii = potentiallyFinishCoordinates.length; i < ii; i++) {\n var finishCoordinate = potentiallyFinishCoordinates[i];\n var finishPixel = map.getPixelFromCoordinate(finishCoordinate);\n var dx = pixel[0] - finishPixel[0];\n var dy = pixel[1] - finishPixel[1];\n var snapTolerance = this.freehand_ ? 1 : this.snapTolerance_;\n at = Math.sqrt(dx * dx + dy * dy) <= snapTolerance;\n if (at) {\n this.finishCoordinate_ = finishCoordinate;\n break;\n }\n }\n }\n }\n return at;\n };\n /**\n * @param {import(\"../coordinate\").Coordinate} coordinates Coordinate.\n * @private\n */\n Draw.prototype.createOrUpdateSketchPoint_ = function (coordinates) {\n if (!this.sketchPoint_) {\n this.sketchPoint_ = new Feature(new Point(coordinates));\n this.updateSketchFeatures_();\n }\n else {\n var sketchPointGeom = this.sketchPoint_.getGeometry();\n sketchPointGeom.setCoordinates(coordinates);\n }\n };\n /**\n * @param {import(\"../geom/Polygon.js\").default} geometry Polygon geometry.\n * @private\n */\n Draw.prototype.createOrUpdateCustomSketchLine_ = function (geometry) {\n if (!this.sketchLine_) {\n this.sketchLine_ = new Feature();\n }\n var ring = geometry.getLinearRing(0);\n var sketchLineGeom = this.sketchLine_.getGeometry();\n if (!sketchLineGeom) {\n sketchLineGeom = new LineString(ring.getFlatCoordinates(), ring.getLayout());\n this.sketchLine_.setGeometry(sketchLineGeom);\n }\n else {\n sketchLineGeom.setFlatCoordinates(ring.getLayout(), ring.getFlatCoordinates());\n sketchLineGeom.changed();\n }\n };\n /**\n * Start the drawing.\n * @param {import(\"../coordinate.js\").Coordinate} start Start coordinate.\n * @private\n */\n Draw.prototype.startDrawing_ = function (start) {\n var projection = this.getMap().getView().getProjection();\n var stride = getStrideForLayout(this.geometryLayout_);\n while (start.length < stride) {\n start.push(0);\n }\n this.finishCoordinate_ = start;\n if (this.mode_ === Mode.POINT) {\n this.sketchCoords_ = start.slice();\n }\n else if (this.mode_ === Mode.POLYGON) {\n this.sketchCoords_ = [[start.slice(), start.slice()]];\n this.sketchLineCoords_ = this.sketchCoords_[0];\n }\n else {\n this.sketchCoords_ = [start.slice(), start.slice()];\n }\n if (this.sketchLineCoords_) {\n this.sketchLine_ = new Feature(new LineString(this.sketchLineCoords_));\n }\n var geometry = this.geometryFunction_(this.sketchCoords_, undefined, projection);\n this.sketchFeature_ = new Feature();\n if (this.geometryName_) {\n this.sketchFeature_.setGeometryName(this.geometryName_);\n }\n this.sketchFeature_.setGeometry(geometry);\n this.updateSketchFeatures_();\n this.dispatchEvent(new DrawEvent(DrawEventType.DRAWSTART, this.sketchFeature_));\n };\n /**\n * Modify the drawing.\n * @param {import(\"../coordinate.js\").Coordinate} coordinate Coordinate.\n * @private\n */\n Draw.prototype.modifyDrawing_ = function (coordinate) {\n var map = this.getMap();\n var geometry = this.sketchFeature_.getGeometry();\n var projection = map.getView().getProjection();\n var stride = getStrideForLayout(this.geometryLayout_);\n var coordinates, last;\n while (coordinate.length < stride) {\n coordinate.push(0);\n }\n if (this.mode_ === Mode.POINT) {\n last = this.sketchCoords_;\n }\n else if (this.mode_ === Mode.POLYGON) {\n coordinates = /** @type {PolyCoordType} */ (this.sketchCoords_)[0];\n last = coordinates[coordinates.length - 1];\n if (this.atFinish_(map.getPixelFromCoordinate(coordinate))) {\n // snap to finish\n coordinate = this.finishCoordinate_.slice();\n }\n }\n else {\n coordinates = this.sketchCoords_;\n last = coordinates[coordinates.length - 1];\n }\n last[0] = coordinate[0];\n last[1] = coordinate[1];\n this.geometryFunction_(\n /** @type {!LineCoordType} */ (this.sketchCoords_), geometry, projection);\n if (this.sketchPoint_) {\n var sketchPointGeom = this.sketchPoint_.getGeometry();\n sketchPointGeom.setCoordinates(coordinate);\n }\n if (geometry.getType() === 'Polygon' && this.mode_ !== Mode.POLYGON) {\n this.createOrUpdateCustomSketchLine_(/** @type {Polygon} */ (geometry));\n }\n else if (this.sketchLineCoords_) {\n var sketchLineGeom = this.sketchLine_.getGeometry();\n sketchLineGeom.setCoordinates(this.sketchLineCoords_);\n }\n this.updateSketchFeatures_();\n };\n /**\n * Add a new coordinate to the drawing.\n * @param {!PointCoordType} coordinate Coordinate\n * @private\n */\n Draw.prototype.addToDrawing_ = function (coordinate) {\n var geometry = this.sketchFeature_.getGeometry();\n var projection = this.getMap().getView().getProjection();\n var done;\n var coordinates;\n var mode = this.mode_;\n if (mode === Mode.LINE_STRING || mode === Mode.CIRCLE) {\n this.finishCoordinate_ = coordinate.slice();\n coordinates = /** @type {LineCoordType} */ (this.sketchCoords_);\n if (coordinates.length >= this.maxPoints_) {\n if (this.freehand_) {\n coordinates.pop();\n }\n else {\n done = true;\n }\n }\n coordinates.push(coordinate.slice());\n this.geometryFunction_(coordinates, geometry, projection);\n }\n else if (mode === Mode.POLYGON) {\n coordinates = /** @type {PolyCoordType} */ (this.sketchCoords_)[0];\n if (coordinates.length >= this.maxPoints_) {\n if (this.freehand_) {\n coordinates.pop();\n }\n else {\n done = true;\n }\n }\n coordinates.push(coordinate.slice());\n if (done) {\n this.finishCoordinate_ = coordinates[0];\n }\n this.geometryFunction_(this.sketchCoords_, geometry, projection);\n }\n this.createOrUpdateSketchPoint_(coordinate.slice());\n this.updateSketchFeatures_();\n if (done) {\n this.finishDrawing();\n }\n };\n /**\n * Remove last point of the feature currently being drawn. Does not do anything when\n * drawing POINT or MULTI_POINT geometries.\n * @api\n */\n Draw.prototype.removeLastPoint = function () {\n if (!this.sketchFeature_) {\n return;\n }\n var geometry = this.sketchFeature_.getGeometry();\n var projection = this.getMap().getView().getProjection();\n var coordinates;\n var mode = this.mode_;\n if (mode === Mode.LINE_STRING || mode === Mode.CIRCLE) {\n coordinates = /** @type {LineCoordType} */ (this.sketchCoords_);\n coordinates.splice(-2, 1);\n if (coordinates.length >= 2) {\n this.finishCoordinate_ = coordinates[coordinates.length - 2].slice();\n var finishCoordinate = this.finishCoordinate_.slice();\n coordinates[coordinates.length - 1] = finishCoordinate;\n this.createOrUpdateSketchPoint_(finishCoordinate);\n }\n this.geometryFunction_(coordinates, geometry, projection);\n if (geometry.getType() === 'Polygon' && this.sketchLine_) {\n this.createOrUpdateCustomSketchLine_(/** @type {Polygon} */ (geometry));\n }\n }\n else if (mode === Mode.POLYGON) {\n coordinates = /** @type {PolyCoordType} */ (this.sketchCoords_)[0];\n coordinates.splice(-2, 1);\n var sketchLineGeom = this.sketchLine_.getGeometry();\n if (coordinates.length >= 2) {\n var finishCoordinate = coordinates[coordinates.length - 2].slice();\n coordinates[coordinates.length - 1] = finishCoordinate;\n this.createOrUpdateSketchPoint_(finishCoordinate);\n }\n sketchLineGeom.setCoordinates(coordinates);\n this.geometryFunction_(this.sketchCoords_, geometry, projection);\n }\n if (coordinates.length === 1) {\n this.abortDrawing();\n }\n this.updateSketchFeatures_();\n };\n /**\n * Stop drawing and add the sketch feature to the target layer.\n * The {@link module:ol/interaction/Draw~DrawEventType.DRAWEND} event is\n * dispatched before inserting the feature.\n * @api\n */\n Draw.prototype.finishDrawing = function () {\n var sketchFeature = this.abortDrawing_();\n if (!sketchFeature) {\n return;\n }\n var coordinates = this.sketchCoords_;\n var geometry = sketchFeature.getGeometry();\n var projection = this.getMap().getView().getProjection();\n if (this.mode_ === Mode.LINE_STRING) {\n // remove the redundant last point\n coordinates.pop();\n this.geometryFunction_(coordinates, geometry, projection);\n }\n else if (this.mode_ === Mode.POLYGON) {\n // remove the redundant last point in ring\n /** @type {PolyCoordType} */ (coordinates)[0].pop();\n this.geometryFunction_(coordinates, geometry, projection);\n coordinates = geometry.getCoordinates();\n }\n // cast multi-part geometries\n if (this.type_ === 'MultiPoint') {\n sketchFeature.setGeometry(new MultiPoint([/** @type {PointCoordType} */ (coordinates)]));\n }\n else if (this.type_ === 'MultiLineString') {\n sketchFeature.setGeometry(new MultiLineString([/** @type {LineCoordType} */ (coordinates)]));\n }\n else if (this.type_ === 'MultiPolygon') {\n sketchFeature.setGeometry(new MultiPolygon([/** @type {PolyCoordType} */ (coordinates)]));\n }\n // First dispatch event to allow full set up of feature\n this.dispatchEvent(new DrawEvent(DrawEventType.DRAWEND, sketchFeature));\n // Then insert feature\n if (this.features_) {\n this.features_.push(sketchFeature);\n }\n if (this.source_) {\n this.source_.addFeature(sketchFeature);\n }\n };\n /**\n * Stop drawing without adding the sketch feature to the target layer.\n * @return {Feature|null} The sketch feature (or null if none).\n * @private\n */\n Draw.prototype.abortDrawing_ = function () {\n this.finishCoordinate_ = null;\n var sketchFeature = this.sketchFeature_;\n this.sketchFeature_ = null;\n this.sketchPoint_ = null;\n this.sketchLine_ = null;\n this.overlay_.getSource().clear(true);\n return sketchFeature;\n };\n /**\n * Stop drawing without adding the sketch feature to the target layer.\n * @api\n */\n Draw.prototype.abortDrawing = function () {\n var sketchFeature = this.abortDrawing_();\n if (sketchFeature) {\n this.dispatchEvent(new DrawEvent(DrawEventType.DRAWABORT, sketchFeature));\n }\n };\n /**\n * Append coordinates to the end of the geometry that is currently being drawn.\n * This can be used when drawing LineStrings or Polygons. Coordinates will\n * either be appended to the current LineString or the outer ring of the current\n * Polygon. If no geometry is being drawn, a new one will be created.\n * @param {!LineCoordType} coordinates Linear coordinates to be appended to\n * the coordinate array.\n * @api\n */\n Draw.prototype.appendCoordinates = function (coordinates) {\n var mode = this.mode_;\n var newDrawing = !this.sketchFeature_;\n if (newDrawing) {\n this.startDrawing_(coordinates[0]);\n }\n /** @type {LineCoordType} */\n var sketchCoords;\n if (mode === Mode.LINE_STRING || mode === Mode.CIRCLE) {\n sketchCoords = /** @type {LineCoordType} */ (this.sketchCoords_);\n }\n else if (mode === Mode.POLYGON) {\n sketchCoords =\n this.sketchCoords_ && this.sketchCoords_.length\n ? /** @type {PolyCoordType} */ (this.sketchCoords_)[0]\n : [];\n }\n else {\n return;\n }\n if (newDrawing) {\n sketchCoords.shift();\n }\n // Remove last coordinate from sketch drawing (this coordinate follows cursor position)\n sketchCoords.pop();\n // Append coordinate list\n for (var i = 0; i < coordinates.length; i++) {\n this.addToDrawing_(coordinates[i]);\n }\n var ending = coordinates[coordinates.length - 1];\n // Duplicate last coordinate for sketch drawing (cursor position)\n this.addToDrawing_(ending);\n this.modifyDrawing_(ending);\n };\n /**\n * Initiate draw mode by starting from an existing geometry which will\n * receive new additional points. This only works on features with\n * `LineString` geometries, where the interaction will extend lines by adding\n * points to the end of the coordinates array.\n * This will change the original feature, instead of drawing a copy.\n *\n * The function will dispatch a `drawstart` event.\n *\n * @param {!Feature} feature Feature to be extended.\n * @api\n */\n Draw.prototype.extend = function (feature) {\n var geometry = feature.getGeometry();\n var lineString = geometry;\n this.sketchFeature_ = feature;\n this.sketchCoords_ = lineString.getCoordinates();\n var last = this.sketchCoords_[this.sketchCoords_.length - 1];\n this.finishCoordinate_ = last.slice();\n this.sketchCoords_.push(last.slice());\n this.sketchPoint_ = new Feature(new Point(last));\n this.updateSketchFeatures_();\n this.dispatchEvent(new DrawEvent(DrawEventType.DRAWSTART, this.sketchFeature_));\n };\n /**\n * Redraw the sketch features.\n * @private\n */\n Draw.prototype.updateSketchFeatures_ = function () {\n var sketchFeatures = [];\n if (this.sketchFeature_) {\n sketchFeatures.push(this.sketchFeature_);\n }\n if (this.sketchLine_) {\n sketchFeatures.push(this.sketchLine_);\n }\n if (this.sketchPoint_) {\n sketchFeatures.push(this.sketchPoint_);\n }\n var overlaySource = this.overlay_.getSource();\n overlaySource.clear(true);\n overlaySource.addFeatures(sketchFeatures);\n };\n /**\n * @private\n */\n Draw.prototype.updateState_ = function () {\n var map = this.getMap();\n var active = this.getActive();\n if (!map || !active) {\n this.abortDrawing();\n }\n this.overlay_.setMap(active ? map : null);\n };\n return Draw;\n}(PointerInteraction));\n/**\n * @return {import(\"../style/Style.js\").StyleFunction} Styles.\n */\nfunction getDefaultStyleFunction() {\n var styles = createEditingStyle();\n return function (feature, resolution) {\n return styles[feature.getGeometry().getType()];\n };\n}\n/**\n * Create a `geometryFunction` for `type: 'Circle'` that will create a regular\n * polygon with a user specified number of sides and start angle instead of a\n * {@link import(\"../geom/Circle.js\").Circle} geometry.\n * @param {number} [opt_sides] Number of sides of the regular polygon.\n * Default is 32.\n * @param {number} [opt_angle] Angle of the first point in counter-clockwise\n * radians. 0 means East.\n * Default is the angle defined by the heading from the center of the\n * regular polygon to the current pointer position.\n * @return {GeometryFunction} Function that draws a polygon.\n * @api\n */\nexport function createRegularPolygon(opt_sides, opt_angle) {\n return function (coordinates, opt_geometry, projection) {\n var center = fromUserCoordinate(\n /** @type {LineCoordType} */ (coordinates)[0], projection);\n var end = fromUserCoordinate(\n /** @type {LineCoordType} */ (coordinates)[coordinates.length - 1], projection);\n var radius = Math.sqrt(squaredCoordinateDistance(center, end));\n var geometry = opt_geometry\n ? /** @type {Polygon} */ (opt_geometry)\n : fromCircle(new Circle(center), opt_sides);\n var angle = opt_angle;\n if (!opt_angle && opt_angle !== 0) {\n var x = end[0] - center[0];\n var y = end[1] - center[1];\n angle = Math.atan2(y, x);\n }\n makeRegular(geometry, center, radius, angle);\n var userProjection = getUserProjection();\n if (userProjection) {\n geometry.transform(projection, userProjection);\n }\n return geometry;\n };\n}\n/**\n * Create a `geometryFunction` that will create a box-shaped polygon (aligned\n * with the coordinate system axes). Use this with the draw interaction and\n * `type: 'Circle'` to return a box instead of a circle geometry.\n * @return {GeometryFunction} Function that draws a box-shaped polygon.\n * @api\n */\nexport function createBox() {\n return function (coordinates, opt_geometry, projection) {\n var extent = boundingExtent(\n /** @type {LineCoordType} */ ([\n coordinates[0],\n coordinates[coordinates.length - 1],\n ]).map(function (coordinate) {\n return fromUserCoordinate(coordinate, projection);\n }));\n var boxCoordinates = [\n [\n getBottomLeft(extent),\n getBottomRight(extent),\n getTopRight(extent),\n getTopLeft(extent),\n getBottomLeft(extent),\n ],\n ];\n var geometry = opt_geometry;\n if (geometry) {\n geometry.setCoordinates(boxCoordinates);\n }\n else {\n geometry = new Polygon(boxCoordinates);\n }\n var userProjection = getUserProjection();\n if (userProjection) {\n geometry.transform(projection, userProjection);\n }\n return geometry;\n };\n}\n/**\n * Get the drawing mode. The mode for multi-part geometries is the same as for\n * their single-part cousins.\n * @param {import(\"../geom/Geometry.js\").Type} type Geometry type.\n * @return {Mode} Drawing mode.\n */\nfunction getMode(type) {\n switch (type) {\n case 'Point':\n case 'MultiPoint':\n return Mode.POINT;\n case 'LineString':\n case 'MultiLineString':\n return Mode.LINE_STRING;\n case 'Polygon':\n case 'MultiPolygon':\n return Mode.POLYGON;\n case 'Circle':\n return Mode.CIRCLE;\n default:\n throw new Error('Invalid type: ' + type);\n }\n}\nexport default Draw;\n//# sourceMappingURL=Draw.js.map"],"names":[],"sourceRoot":""}