@greenmice/ngx-cesium
Version:
Angular library for working with Cesium.
85 lines • 10.7 kB
JavaScript
export class HtmlPrimitive {
constructor(options, collection = null) {
if (typeof options !== 'object') {
throw new Error('HtmlPrimitive ERROR: invalid html options!');
}
this.scene = options.scene;
this._mapContainer = options.mapContainer;
this.show = options.show || true;
this.position = options.position;
this.pixelOffset = options.pixelOffset;
this.element = options.element;
this.collection = collection;
}
set scene(scene) {
this._scene = scene;
}
set show(show) {
this._show = show;
if (Cesium.defined(this.element)) {
if (show) {
this._element.style.display = 'block';
}
else {
this._element.style.display = 'none';
}
}
}
get show() {
return this._show;
}
set position(position) {
this._position = position;
}
get position() {
return this._position;
}
set pixelOffset(pixelOffset) {
this._pixelOffset = pixelOffset;
}
get pixelOffset() {
return this._pixelOffset;
}
set element(element) {
this._element = element;
if (Cesium.defined(element)) {
this._mapContainer.appendChild(element);
this._element.style.position = 'absolute';
this._element.style.zIndex = Number.MAX_VALUE.toString();
}
}
get element() {
return this._element;
}
set collection(collection) {
this._collection = collection;
}
get collection() {
return this._collection;
}
update() {
if (!Cesium.defined(this._show) || !Cesium.defined(this._element)) {
return;
}
let screenPosition = Cesium.SceneTransforms.wgs84ToWindowCoordinates(this._scene, this._position);
if (!Cesium.defined(screenPosition)) {
screenPosition = new Cesium.Cartesian2((-1000), (-1000));
}
else if (Cesium.defined(this._pixelOffset) && Cesium.defined(this._pixelOffset.x) && Cesium.defined(this._pixelOffset.y)) {
screenPosition.y += this._pixelOffset.y;
screenPosition.x += this._pixelOffset.x;
}
if (this._lastPosition && this._lastPosition.equals(screenPosition)) {
return;
}
this._element.style.top = `${screenPosition.y}px`;
this._element.style.left = `${screenPosition.x}px`;
this._lastPosition = screenPosition;
}
remove() {
if (this._element) {
this._element.remove();
}
}
}
//# 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{ HtmlCollection } from '../collections';\nimport { Cartesian2 } from '../../angular-cesium/models/cartesian2';\nimport { Cartesian3 } from '../../angular-cesium/models/cartesian3';\n\nexport class HtmlPrimitive {\n\n  private _scene: any;\n  private _show: boolean;\n  private _position: Cartesian3;\n  private _lastPosition: Cartesian2;\n  private _pixelOffset: Cartesian2;\n  private _element: HTMLElement;\n  private _collection: HtmlCollection;\n  private _mapContainer;\n\n  constructor(options: any, collection: HtmlCollection = null) {\n    if (typeof options !== 'object') {\n      throw new Error('HtmlPrimitive ERROR: invalid html options!');\n    }\n\n    this.scene = options.scene;\n    this._mapContainer = options.mapContainer;\n    this.show = options.show || true;\n    this.position = options.position;\n    this.pixelOffset = options.pixelOffset;\n    this.element = options.element;\n    this.collection = collection;\n  }\n\n  set scene(scene: any) {\n    this._scene = scene;\n  }\n\n  set show(show: boolean) {\n    this._show = show;\n\n    if (Cesium.defined(this.element)) {\n      if (show) {\n        this._element.style.display = 'block';\n      } else {\n        this._element.style.display = 'none';\n      }\n    }\n  }\n\n  get show(): boolean {\n    return this._show;\n  }\n\n  set position(position: Cartesian3) {\n    this._position = position;\n  }\n\n  get position(): Cartesian3 {\n    return this._position;\n  }\n\n  set pixelOffset(pixelOffset: Cartesian2) {\n    this._pixelOffset = pixelOffset;\n  }\n\n  get pixelOffset(): Cartesian2 {\n    return this._pixelOffset;\n  }\n\n  set element(element: HTMLElement) {\n    this._element = element;\n\n    if (Cesium.defined(element)) {\n      this._mapContainer.appendChild(element);\n      this._element.style.position = 'absolute';\n      this._element.style.zIndex = Number.MAX_VALUE.toString();\n    }\n  }\n\n  get element(): HTMLElement {\n    return this._element;\n  }\n\n  set collection(collection: HtmlCollection) {\n    this._collection = collection;\n  }\n\n  get collection() {\n    return this._collection;\n  }\n\n  update() {\n    if (!Cesium.defined(this._show) || !Cesium.defined(this._element)) {\n      return;\n    }\n\n    let screenPosition = Cesium.SceneTransforms.wgs84ToWindowCoordinates(this._scene, this._position);\n\n    if (!Cesium.defined(screenPosition)) {\n      screenPosition = new Cesium.Cartesian2((-1000), (-1000));\n    } else if (Cesium.defined(this._pixelOffset) && Cesium.defined(this._pixelOffset.x) && Cesium.defined(this._pixelOffset.y)) {\n      screenPosition.y += this._pixelOffset.y;\n      screenPosition.x += this._pixelOffset.x;\n    }\n\n    if (this._lastPosition && this._lastPosition.equals(screenPosition)) {\n      return;\n    }\n\n    this._element.style.top = `${screenPosition.y}px`;\n    this._element.style.left = `${screenPosition.x}px`;\n    this._lastPosition = screenPosition;\n  }\n\n  remove() {\n    if (this._element) {\n      this._element.remove();\n    }\n  }\n}\n"]}