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feat: support google maps drawing library (#1749)
Add Drawing library to support DrawingManager
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| date = "2017-08-31T13:51:15-05:00" | ||
| draft = false | ||
| title = "google.maps.drawing.DrawingManager in AGM" | ||
| +++ | ||
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| Angular Google Maps provides a package that allows users to draw new shapes on the map, integrating google.maps.drawing.DrawingManager | ||
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| ## Install the needed packages | ||
| First make sure that you install the following NPM packages: | ||
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| ```bash | ||
| npm install @agm/core @agm/drawing | ||
| ``` | ||
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| ## Loading the modules | ||
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| Update your root component (e.g. src/app/app.module.ts) and import the following modules: | ||
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| ```typescript | ||
| import { AgmCoreModule } from '@agm/core'; | ||
| import { AgmDrawingModule } from '@agm/drawing'; | ||
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| @NgModule({ | ||
| declarations: [ | ||
| AppComponent | ||
| ], | ||
| imports: [ | ||
| BrowserModule, | ||
| AgmCoreModule.forRoot({ | ||
| apiKey: ['YOUR_API_KEY_HERE'] | ||
| }), | ||
| AgmDrawingModule | ||
| ], | ||
| providers: [], | ||
| bootstrap: [AppComponent] | ||
| }) | ||
| export class AppModule { } | ||
| ``` | ||
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| ## Using the directive | ||
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| When you import the `AgmDrawingManager`, you can use the `agm-drawing-manager` directive in your | ||
| template. Agm-drawing-manager takes form of an html elements outside the `agm-map` component, where | ||
| it is configured with properties. It is connected to the map via `agmDrawingManager` trigger | ||
| directive, similar to MatAutocomplete from angular/components library. | ||
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| ```html | ||
| <agm-map style="height: 300px" [latitude]="51.673858" [longitude]="7.815982" [agmDrawingManager]="drawing"> | ||
| </agm-map> | ||
| <agm-drawing-manager #drawing="agmDrawingManager" (circleComplete)="circleAdded($event)" [drawingMode]="'circle'" [circleOptions]="{fillColor:'red', radius: 150}"></agm-drawing-manager> | ||
| ``` | ||
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| ### Customizing drawn figures | ||
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| If you want to control how the figures the user draws will look like, specifically colors, | ||
| line thickness, opacity, et cetera, you can provide CircleOptions or PolylineOptions | ||
| to the drawing manager, similar how you would do in vanilla javascript with Google Maps javascript. | ||
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| ### Ignored properties | ||
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| These \*Options interfaces are originally made for the developer displaying the shapes, so they have | ||
| properties useless to us such as `map` and `center`. These properties are ignored. |
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| @@ -0,0 +1 @@ | ||
| ../../LICENSE |
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| # Map Drawing for AGM | ||
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| ----- | ||
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| this package adds drawing support to [AGM][agm]. | ||
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| ## Installation | ||
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| ```sh | ||
| npm install @agm/drawing | ||
| # or | ||
| yarn add @agm/drawing | ||
| ``` | ||
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| ## Usage | ||
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| 1. Import the module | ||
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| ```typescript | ||
| import { BrowserModule } from '@angular/platform-browser'; | ||
| import { NgModule } from '@angular/core'; | ||
| import { AppComponent } from './app.component | ||
| // add these imports | ||
| import { AgmCoreModule } from '@agm/core'; | ||
| import { AgmDrawingModule } from '@agm/drawing | ||
| @NgModule({ | ||
| declarations: [ | ||
| AppComponent | ||
| ], | ||
| imports: [ | ||
| BrowserModule, | ||
| AgmCoreModule.forRoot({ | ||
| apiKey: ['YOUR_API_KEY_HERE'] | ||
| }), | ||
| AgmDrawingModule | ||
| ], | ||
| providers: [], | ||
| bootstrap: [AppComponent] | ||
| }) | ||
| export class AppModule { } | ||
| ``` | ||
| 2. use it in your template | ||
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| ```html | ||
| <agm-map style="height: 300px" [latitude]="51.673858" [longitude]="7.815982" [agmDrawingManager]="drawing"> | ||
| </agm-map> | ||
| <agm-drawing-manager #drawing="agmDrawingManager" [drawingMode]="'circle'" [circleOptions]="{fillColor:'red', radius: 150}"></agm-drawing-manager> | ||
| ``` | ||
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| [drawing-manager]: https://developers.google.com/maps/documentation/javascript/reference/#drawing | ||
| [agm]: https://angular-maps.com/ |
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| import { AgmMap } from '@agm/core'; | ||
| import { AfterViewInit, Directive, Host, Input, OnDestroy } from '@angular/core'; | ||
| import { first } from 'rxjs/operators'; | ||
| import { AgmDrawingManager } from './drawing-manager'; | ||
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| @Directive({ | ||
| selector: 'agm-map[agmDrawingManager]', | ||
| exportAs: 'matDrawingManagerTrigger', | ||
| }) | ||
| export class AgmDrawingManagerTrigger implements AfterViewInit, OnDestroy{ | ||
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| /** The drawing manager to be attached to this trigger. */ | ||
| // tslint:disable-next-line: no-input-rename | ||
| @Input('agmDrawingManager') drawingManager: AgmDrawingManager; | ||
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| constructor(@Host() private _agmMap: AgmMap) { | ||
| } | ||
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| ngAfterViewInit(): void { | ||
| this._agmMap.mapReady.pipe(first()).subscribe(map => this.drawingManager.setMap(map)); | ||
| } | ||
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| ngOnDestroy() { | ||
| this._agmMap.mapReady.pipe(first()).subscribe(() => this.drawingManager.setMap(null)); | ||
| } | ||
| } |
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