iceye-angular-cesium-fork
Version:
Angular library for working with Cesium.
99 lines (98 loc) • 11.5 kB
JavaScript
import { ChangeDetectionStrategy, Component, ElementRef, Input, Output, EventEmitter } from '@angular/core';
import { fromEvent as observableFromEvent } from 'rxjs';
import { switchMap, takeUntil, tap } from 'rxjs/operators';
import { CesiumService } from '../../../../angular-cesium/services/cesium/cesium.service';
/**
* Toolbar widget, act as a container for ac-toolbar-button components
* allowing drag configuration and passing `toolbarClass` as attributes
*
* Usage:
* ```
* <ac-toolbar [allowDrag]="true" (onDrag)="handleDrag($event)">
<ac-toolbar-button [iconUrl]="'assets/home-icon.svg'" (onClick)="goHome()">
</ac-toolbar-button>
<ac-toolbar-button [iconUrl]="'assets/explore-icon.svg'" (onClick)="rangeAndBearing()">
</ac-toolbar-button>
</ac-toolbar>
* ```
*
*/
export class AcToolbarComponent {
constructor(element, cesiumService) {
this.element = element;
this.cesiumService = cesiumService;
this.allowDrag = true;
this.onDrag = new EventEmitter();
this.dragStyle = {
'height.px': 20,
'width.px': 20,
};
}
ngOnInit() {
this.cesiumService.getMap().getMapContainer().appendChild(this.element.nativeElement);
if (this.allowDrag) {
this.listenForDragging();
}
}
ngOnChanges(changes) {
if (changes.allowDrag && changes.allowDrag.currentValue && !changes.allowDrag.previousValue) {
this.listenForDragging();
}
if (changes.allowDrag && !changes.allowDrag.currentValue && changes.allowDrag.previousValue) {
this.dragSubscription.unsubscribe();
}
}
ngOnDestroy() {
if (this.dragSubscription) {
this.dragSubscription.unsubscribe();
}
}
listenForDragging() {
this.mouseDown$ = this.mouseDown$ || observableFromEvent(this.element.nativeElement, 'mousedown');
this.mouseMove$ = this.mouseMove$ || observableFromEvent(document, 'mousemove');
this.mouseUp$ = this.mouseUp$ || observableFromEvent(document, 'mouseup');
this.drag$ = this.drag$ ||
this.mouseDown$.pipe(switchMap(() => this.mouseMove$.pipe(tap(this.onDrag.emit), takeUntil(this.mouseUp$))));
this.dragSubscription = this.drag$.subscribe((event) => {
this.element.nativeElement.style.left = `${event.x}px`;
this.element.nativeElement.style.top = `${event.y}px`;
});
}
}
AcToolbarComponent.decorators = [
{ type: Component, args: [{
selector: 'ac-toolbar',
template: `
<div class="{{toolbarClass}}">
<div *ngIf="allowDrag">
<ac-toolbar-button>
<ac-drag-icon></ac-drag-icon>
</ac-toolbar-button>
</div>
<ng-content></ng-content>
</div>
`,
changeDetection: ChangeDetectionStrategy.OnPush,
styles: [`
:host {
position: absolute;
top: 20px;
left: 20px;
width: 20px;
height: 20px;
z-index: 999;
-webkit-user-drag: none;
}
`]
},] }
];
AcToolbarComponent.ctorParameters = () => [
{ type: ElementRef },
{ type: CesiumService }
];
AcToolbarComponent.propDecorators = {
toolbarClass: [{ type: Input }],
allowDrag: [{ type: Input }],
onDrag: [{ type: Output }]
};
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{\n  ChangeDetectionStrategy,\n  Component,\n  ElementRef,\n  Input,\n  OnDestroy,\n  OnInit,\n  OnChanges,\n  SimpleChanges,\n  Output,\n  EventEmitter\n} from '@angular/core';\nimport { fromEvent as observableFromEvent, Subscription, Observable } from 'rxjs';\nimport { switchMap, takeUntil, tap } from 'rxjs/operators';\nimport { CesiumService } from '../../../../angular-cesium/services/cesium/cesium.service';\n\n\n/**\n * Toolbar widget, act as a container for ac-toolbar-button components\n * allowing drag configuration and passing `toolbarClass` as attributes\n *\n * Usage:\n * ```\n * <ac-toolbar [allowDrag]=\"true\" (onDrag)=\"handleDrag($event)\">\n <ac-toolbar-button [iconUrl]=\"'assets/home-icon.svg'\" (onClick)=\"goHome()\">\n </ac-toolbar-button>\n <ac-toolbar-button [iconUrl]=\"'assets/explore-icon.svg'\" (onClick)=\"rangeAndBearing()\">\n </ac-toolbar-button>\n </ac-toolbar>\n * ```\n *\n */\n@Component(\n  {\n    selector: 'ac-toolbar',\n    template: `\n        <div class=\"{{toolbarClass}}\">\n            <div *ngIf=\"allowDrag\">\n                <ac-toolbar-button>\n                    <ac-drag-icon></ac-drag-icon>\n                </ac-toolbar-button>\n            </div>\n\n            <ng-content></ng-content>\n        </div>\n    `,\n    styles: [`\n        :host {\n            position: absolute;\n            top: 20px;\n            left: 20px;\n            width: 20px;\n            height: 20px;\n            z-index: 999;\n            -webkit-user-drag: none;\n        }\n    `],\n    changeDetection: ChangeDetectionStrategy.OnPush,\n  }\n)\nexport class AcToolbarComponent implements OnInit, OnChanges, OnDestroy {\n  @Input()\n  toolbarClass: string;\n  @Input()\n  allowDrag = true;\n  @Output()\n  onDrag = new EventEmitter<MouseEvent>();\n\n  dragStyle = {\n    'height.px': 20,\n    'width.px': 20,\n  };\n\n  private mouseDown$: Observable<MouseEvent>;\n  private mouseMove$: Observable<MouseEvent>;\n  private mouseUp$: Observable<MouseEvent>;\n  private drag$: Observable<MouseEvent>;\n  private dragSubscription: Subscription;\n\n  constructor(private element: ElementRef, private cesiumService: CesiumService) {}\n\n  ngOnInit() {\n    this.cesiumService.getMap().getMapContainer().appendChild(this.element.nativeElement);\n    if (this.allowDrag) {\n      this.listenForDragging();\n    }\n  }\n\n\n  ngOnChanges(changes: SimpleChanges) {\n    if (changes.allowDrag && changes.allowDrag.currentValue && !changes.allowDrag.previousValue) {\n      this.listenForDragging();\n    }\n\n    if (changes.allowDrag && !changes.allowDrag.currentValue && changes.allowDrag.previousValue) {\n      this.dragSubscription.unsubscribe();\n    }\n  }\n\n  ngOnDestroy(): void {\n    if (this.dragSubscription) {\n      this.dragSubscription.unsubscribe();\n    }\n  }\n\n  private listenForDragging() {\n    this.mouseDown$ = this.mouseDown$ || observableFromEvent(this.element.nativeElement, 'mousedown');\n    this.mouseMove$ = this.mouseMove$ || observableFromEvent(document, 'mousemove') as Observable<MouseEvent>;\n    this.mouseUp$ = this.mouseUp$ || observableFromEvent(document, 'mouseup') as Observable<MouseEvent>;\n\n    this.drag$ = this.drag$ ||\n                 this.mouseDown$.pipe(\n                    switchMap(() => this.mouseMove$.pipe(\n                      tap(this.onDrag.emit),\n                      takeUntil(this.mouseUp$)\n                    ))\n                 );\n\n    this.dragSubscription = this.drag$.subscribe((event: MouseEvent) => {\n      this.element.nativeElement.style.left = `${event.x}px`;\n      this.element.nativeElement.style.top = `${event.y}px`;\n    });\n  }\n}\n"]}