@agm/core
Version:
Angular components for Google Maps
126 lines • 15.2 kB
JavaScript
import { Component, ElementRef, EventEmitter, Input, Output } from '@angular/core';
import { InfoWindowManager } from '../services/managers/info-window-manager';
let infoWindowId = 0;
/**
* AgmInfoWindow renders a info window inside a {@link AgmMarker} or standalone.
*
* ### Example
* ```typescript
* import { Component } from '@angular/core';
*
* @Component({
* selector: 'my-map-cmp',
* styles: [`
* .agm-map-container {
* height: 300px;
* }
* `],
* template: `
* <agm-map [latitude]="lat" [longitude]="lng" [zoom]="zoom">
* <agm-marker [latitude]="lat" [longitude]="lng" [label]="'M'">
* <agm-info-window [disableAutoPan]="true">
* Hi, this is the content of the <strong>info window</strong>
* </agm-info-window>
* </agm-marker>
* </agm-map>
* `
* })
* ```
*/
export class AgmInfoWindow {
constructor(_infoWindowManager, _el) {
this._infoWindowManager = _infoWindowManager;
this._el = _el;
/**
* Sets the open state for the InfoWindow. You can also call the open() and close() methods.
*/
this.isOpen = false;
/**
* Emits an event when the info window is closed.
*/
this.infoWindowClose = new EventEmitter();
this._infoWindowAddedToManager = false;
this._id = (infoWindowId++).toString();
}
ngOnInit() {
this.content = this._el.nativeElement.querySelector('.agm-info-window-content');
this._infoWindowManager.addInfoWindow(this);
this._infoWindowAddedToManager = true;
this._updateOpenState();
this._registerEventListeners();
}
/** @internal */
ngOnChanges(changes) {
if (!this._infoWindowAddedToManager) {
return;
}
// tslint:disable: no-string-literal
if ((changes['latitude'] || changes['longitude']) && typeof this.latitude === 'number' &&
typeof this.longitude === 'number') {
this._infoWindowManager.setPosition(this);
}
if (changes['zIndex']) {
this._infoWindowManager.setZIndex(this);
}
if (changes['isOpen']) {
this._updateOpenState();
}
this._setInfoWindowOptions(changes);
}
// tslint:enable: no-string-literal
_registerEventListeners() {
this._infoWindowManager.createEventObservable('closeclick', this).subscribe(() => {
this.isOpen = false;
this.infoWindowClose.emit();
});
}
_updateOpenState() {
this.isOpen ? this.open() : this.close();
}
_setInfoWindowOptions(changes) {
const options = {};
const optionKeys = Object.keys(changes).filter(k => AgmInfoWindow._infoWindowOptionsInputs.indexOf(k) !== -1);
optionKeys.forEach((k) => { options[k] = changes[k].currentValue; });
this._infoWindowManager.setOptions(this, options);
}
/**
* Opens the info window.
*/
open() { return this._infoWindowManager.open(this); }
/**
* Closes the info window.
*/
close() {
return this._infoWindowManager.close(this).then(() => { this.infoWindowClose.emit(); });
}
/** @internal */
id() { return this._id; }
/** @internal */
toString() { return 'AgmInfoWindow-' + this._id.toString(); }
/** @internal */
ngOnDestroy() { this._infoWindowManager.deleteInfoWindow(this); }
}
AgmInfoWindow._infoWindowOptionsInputs = ['disableAutoPan', 'maxWidth'];
AgmInfoWindow.decorators = [
{ type: Component, args: [{
selector: 'agm-info-window',
template: `<div class='agm-info-window-content'>
<ng-content></ng-content>
</div>
`
},] }
];
AgmInfoWindow.ctorParameters = () => [
{ type: InfoWindowManager },
{ type: ElementRef }
];
AgmInfoWindow.propDecorators = {
latitude: [{ type: Input }],
longitude: [{ type: Input }],
disableAutoPan: [{ type: Input }],
zIndex: [{ type: Input }],
maxWidth: [{ type: Input }],
isOpen: [{ type: Input }],
infoWindowClose: [{ type: Output }]
};
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By default, the info window will pan the map so that it is fully\n   * visible when it opens.\n   */\n  @Input() disableAutoPan: boolean;\n\n  /**\n   * All InfoWindows are displayed on the map in order of their zIndex, with higher values\n   * displaying in front of InfoWindows with lower values. By default, InfoWindows are displayed\n   * according to their latitude, with InfoWindows of lower latitudes appearing in front of\n   * InfoWindows at higher latitudes. InfoWindows are always displayed in front of markers.\n   */\n  @Input() zIndex: number;\n\n  /**\n   * Maximum width of the infowindow, regardless of content's width. This value is only considered\n   * if it is set before a call to open. To change the maximum width when changing content, call\n   * close, update maxWidth, and then open.\n   */\n  @Input() maxWidth: number;\n\n  /**\n   * Holds the marker that is the host of the info window (if available)\n   */\n  hostMarker: AgmMarker;\n\n  /**\n   * Holds the native element that is used for the info window content.\n   */\n  content: Node;\n\n  /**\n   * Sets the open state for the InfoWindow. You can also call the open() and close() methods.\n   */\n  @Input() isOpen = false;\n\n  /**\n   * Emits an event when the info window is closed.\n   */\n  @Output() infoWindowClose: EventEmitter<void> = new EventEmitter<void>();\n\n  private static _infoWindowOptionsInputs: string[] = ['disableAutoPan', 'maxWidth'];\n  private _infoWindowAddedToManager = false;\n  private _id: string = (infoWindowId++).toString();\n\n  constructor(private _infoWindowManager: InfoWindowManager, private _el: ElementRef) {}\n\n  ngOnInit() {\n    this.content = this._el.nativeElement.querySelector('.agm-info-window-content');\n    this._infoWindowManager.addInfoWindow(this);\n    this._infoWindowAddedToManager = true;\n    this._updateOpenState();\n    this._registerEventListeners();\n  }\n\n  /** @internal */\n  ngOnChanges(changes: {[key: string]: SimpleChange}) {\n    if (!this._infoWindowAddedToManager) {\n      return;\n    }\n    // tslint:disable: no-string-literal\n    if ((changes['latitude'] || changes['longitude']) && typeof this.latitude === 'number' &&\n        typeof this.longitude === 'number') {\n      this._infoWindowManager.setPosition(this);\n    }\n    if (changes['zIndex']) {\n      this._infoWindowManager.setZIndex(this);\n    }\n    if (changes['isOpen']) {\n      this._updateOpenState();\n    }\n    this._setInfoWindowOptions(changes);\n  }\n  // tslint:enable: no-string-literal\n\n  private _registerEventListeners() {\n    this._infoWindowManager.createEventObservable('closeclick', this).subscribe(() => {\n      this.isOpen = false;\n      this.infoWindowClose.emit();\n    });\n  }\n\n  private _updateOpenState() {\n    this.isOpen ? this.open() : this.close();\n  }\n\n  private _setInfoWindowOptions(changes: {[key: string]: SimpleChange}) {\n    const options: {[propName: string]: any} = {};\n    const optionKeys = Object.keys(changes).filter(\n        k => AgmInfoWindow._infoWindowOptionsInputs.indexOf(k) !== -1);\n    optionKeys.forEach((k) => { options[k] = changes[k].currentValue; });\n    this._infoWindowManager.setOptions(this, options);\n  }\n\n  /**\n   * Opens the info window.\n   */\n  open(): Promise<void> { return this._infoWindowManager.open(this); }\n\n  /**\n   * Closes the info window.\n   */\n  close(): Promise<void> {\n    return this._infoWindowManager.close(this).then(() => { this.infoWindowClose.emit(); });\n  }\n\n  /** @internal */\n  id(): string { return this._id; }\n\n  /** @internal */\n  toString(): string { return 'AgmInfoWindow-' + this._id.toString(); }\n\n  /** @internal */\n  ngOnDestroy() { this._infoWindowManager.deleteInfoWindow(this); }\n}\n"]}