@asymmetrik/ngx-leaflet
Version:
Angular.io components for Leaflet
330 lines • 40.8 kB
JavaScript
import { Directive, EventEmitter, HostListener, Input, Output } from '@angular/core';
import { latLng, map } from 'leaflet';
import { LeafletUtil } from './leaflet.util';
import * as i0 from "@angular/core";
export class LeafletDirective {
constructor(element, zone) {
this.element = element;
this.zone = zone;
this.DEFAULT_ZOOM = 1;
this.DEFAULT_CENTER = latLng(38.907192, -77.036871);
this.DEFAULT_FPZ_OPTIONS = {};
this.fitBoundsOptions = this.DEFAULT_FPZ_OPTIONS;
this.panOptions = this.DEFAULT_FPZ_OPTIONS;
this.zoomOptions = this.DEFAULT_FPZ_OPTIONS;
this.zoomPanOptions = this.DEFAULT_FPZ_OPTIONS;
// Default configuration
this.options = {};
// Configure callback function for the map
this.mapReady = new EventEmitter();
this.zoomChange = new EventEmitter();
this.centerChange = new EventEmitter();
// Mouse Map Events
this.onClick = new EventEmitter();
this.onDoubleClick = new EventEmitter();
this.onMouseDown = new EventEmitter();
this.onMouseUp = new EventEmitter();
this.onMouseMove = new EventEmitter();
this.onMouseOver = new EventEmitter();
this.onMouseOut = new EventEmitter();
// Map Move Events
this.onMapMove = new EventEmitter();
this.onMapMoveStart = new EventEmitter();
this.onMapMoveEnd = new EventEmitter();
// Map Zoom Events
this.onMapZoom = new EventEmitter();
this.onMapZoomStart = new EventEmitter();
this.onMapZoomEnd = new EventEmitter();
// Nothing here
}
ngOnInit() {
// Create the map outside of angular so the various map events don't trigger change detection
this.zone.runOutsideAngular(() => {
// Create the map with some reasonable defaults
this.map = map(this.element.nativeElement, this.options);
this.addMapEventListeners();
});
// Only setView if there is a center/zoom
if (null != this.center && null != this.zoom) {
this.setView(this.center, this.zoom);
}
// Set up all the initial settings
if (null != this.fitBounds) {
this.setFitBounds(this.fitBounds);
}
if (null != this.maxBounds) {
this.setMaxBounds(this.maxBounds);
}
if (null != this.minZoom) {
this.setMinZoom(this.minZoom);
}
if (null != this.maxZoom) {
this.setMaxZoom(this.maxZoom);
}
this.doResize();
// Fire map ready event
this.mapReady.emit(this.map);
}
ngOnChanges(changes) {
/*
* The following code is to address an issue with our (basic) implementation of
* zooming and panning. From our testing, it seems that a pan operation followed
* by a zoom operation in the same thread will interfere with eachother. The zoom
* operation interrupts/cancels the pan, resulting in a final center point that is
* inaccurate. The solution seems to be to either separate them with a timeout or
* to collapse them into a setView call.
*/
// Zooming and Panning
if (changes['zoom'] && changes['center'] && null != this.zoom && null != this.center) {
this.setView(changes['center'].currentValue, changes['zoom'].currentValue);
}
// Set the zoom level
else if (changes['zoom']) {
this.setZoom(changes['zoom'].currentValue);
}
// Set the map center
else if (changes['center']) {
this.setCenter(changes['center'].currentValue);
}
// Other options
if (changes['fitBounds']) {
this.setFitBounds(changes['fitBounds'].currentValue);
}
if (changes['maxBounds']) {
this.setMaxBounds(changes['maxBounds'].currentValue);
}
if (changes['minZoom']) {
this.setMinZoom(changes['minZoom'].currentValue);
}
if (changes['maxZoom']) {
this.setMaxZoom(changes['maxZoom'].currentValue);
}
}
ngOnDestroy() {
// If this directive is destroyed, the map is too
if (null != this.map) {
this.map.remove();
}
}
getMap() {
return this.map;
}
onResize() {
this.delayResize();
}
addMapEventListeners() {
const registerEventHandler = (eventName, handler) => {
this.map.on(eventName, handler);
};
// Add all the pass-through mouse event handlers
registerEventHandler('click', (e) => LeafletUtil.handleEvent(this.zone, this.onClick, e));
registerEventHandler('dblclick', (e) => LeafletUtil.handleEvent(this.zone, this.onDoubleClick, e));
registerEventHandler('mousedown', (e) => LeafletUtil.handleEvent(this.zone, this.onMouseDown, e));
registerEventHandler('mouseup', (e) => LeafletUtil.handleEvent(this.zone, this.onMouseUp, e));
registerEventHandler('mouseover', (e) => LeafletUtil.handleEvent(this.zone, this.onMouseOver, e));
registerEventHandler('mouseout', (e) => LeafletUtil.handleEvent(this.zone, this.onMouseOut, e));
registerEventHandler('mousemove', (e) => LeafletUtil.handleEvent(this.zone, this.onMouseMove, e));
registerEventHandler('zoomstart', (e) => LeafletUtil.handleEvent(this.zone, this.onMapZoomStart, e));
registerEventHandler('zoom', (e) => LeafletUtil.handleEvent(this.zone, this.onMapZoom, e));
registerEventHandler('zoomend', (e) => LeafletUtil.handleEvent(this.zone, this.onMapZoomEnd, e));
registerEventHandler('movestart', (e) => LeafletUtil.handleEvent(this.zone, this.onMapMoveStart, e));
registerEventHandler('move', (e) => LeafletUtil.handleEvent(this.zone, this.onMapMove, e));
registerEventHandler('moveend', (e) => LeafletUtil.handleEvent(this.zone, this.onMapMoveEnd, e));
// Update any things for which we provide output bindings
const outputUpdateHandler = () => {
const zoom = this.map.getZoom();
if (zoom !== this.zoom) {
this.zoom = zoom;
LeafletUtil.handleEvent(this.zone, this.zoomChange, zoom);
}
const center = this.map.getCenter();
if (null != center || null != this.center) {
if (((null == center || null == this.center) && center !== this.center)
|| (center.lat !== this.center.lat || center.lng !== this.center.lng)) {
this.center = center;
LeafletUtil.handleEvent(this.zone, this.centerChange, center);
}
}
};
registerEventHandler('moveend', outputUpdateHandler);
registerEventHandler('zoomend', outputUpdateHandler);
}
/**
* Resize the map to fit it's parent container
*/
doResize() {
// Run this outside of angular so the map events stay outside of angular
this.zone.runOutsideAngular(() => {
// Invalidate the map size to trigger it to update itself
if (null != this.map) {
this.map.invalidateSize({});
}
});
}
/**
* Manage a delayed resize of the component
*/
delayResize() {
if (null != this.resizeTimer) {
clearTimeout(this.resizeTimer);
}
this.resizeTimer = setTimeout(this.doResize.bind(this), 200);
}
/**
* Set the view (center/zoom) all at once
* @param center The new center
* @param zoom The new zoom level
*/
setView(center, zoom) {
if (null != this.map && null != center && null != zoom) {
this.map.setView(center, zoom, this.zoomPanOptions);
}
}
/**
* Set the map zoom level
* @param zoom the new zoom level for the map
*/
setZoom(zoom) {
if (null != this.map && null != zoom) {
this.map.setZoom(zoom, this.zoomOptions);
}
}
/**
* Set the center of the map
* @param center the center point
*/
setCenter(center) {
if (null != this.map && null != center) {
this.map.panTo(center, this.panOptions);
}
}
/**
* Fit the map to the bounds
* @param latLngBounds the boundary to set
*/
setFitBounds(latLngBounds) {
if (null != this.map && null != latLngBounds) {
this.map.fitBounds(latLngBounds, this.fitBoundsOptions);
}
}
/**
* Set the map's max bounds
* @param latLngBounds the boundary to set
*/
setMaxBounds(latLngBounds) {
if (null != this.map && null != latLngBounds) {
this.map.setMaxBounds(latLngBounds);
}
}
/**
* Set the map's min zoom
* @param number the new min zoom
*/
setMinZoom(zoom) {
if (null != this.map && null != zoom) {
this.map.setMinZoom(zoom);
}
}
/**
* Set the map's min zoom
* @param number the new min zoom
*/
setMaxZoom(zoom) {
if (null != this.map && null != zoom) {
this.map.setMaxZoom(zoom);
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.0.1", ngImport: i0, type: LeafletDirective, deps: [{ token: i0.ElementRef }, { token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "18.0.1", type: LeafletDirective, selector: "[leaflet]", inputs: { fitBoundsOptions: ["leafletFitBoundsOptions", "fitBoundsOptions"], panOptions: ["leafletPanOptions", "panOptions"], zoomOptions: ["leafletZoomOptions", "zoomOptions"], zoomPanOptions: ["leafletZoomPanOptions", "zoomPanOptions"], options: ["leafletOptions", "options"], zoom: ["leafletZoom", "zoom"], center: ["leafletCenter", "center"], fitBounds: ["leafletFitBounds", "fitBounds"], maxBounds: ["leafletMaxBounds", "maxBounds"], minZoom: ["leafletMinZoom", "minZoom"], maxZoom: ["leafletMaxZoom", "maxZoom"] }, outputs: { mapReady: "leafletMapReady", zoomChange: "leafletZoomChange", centerChange: "leafletCenterChange", onClick: "leafletClick", onDoubleClick: "leafletDoubleClick", onMouseDown: "leafletMouseDown", onMouseUp: "leafletMouseUp", onMouseMove: "leafletMouseMove", onMouseOver: "leafletMouseOver", onMouseOut: "leafletMouseOut", onMapMove: "leafletMapMove", onMapMoveStart: "leafletMapMoveStart", onMapMoveEnd: "leafletMapMoveEnd", onMapZoom: "leafletMapZoom", onMapZoomStart: "leafletMapZoomStart", onMapZoomEnd: "leafletMapZoomEnd" }, host: { listeners: { "window:resize": "onResize()" } }, usesOnChanges: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.0.1", ngImport: i0, type: LeafletDirective, decorators: [{
type: Directive,
args: [{
selector: '[leaflet]'
}]
}], ctorParameters: () => [{ type: i0.ElementRef }, { type: i0.NgZone }], propDecorators: { fitBoundsOptions: [{
type: Input,
args: ['leafletFitBoundsOptions']
}], panOptions: [{
type: Input,
args: ['leafletPanOptions']
}], zoomOptions: [{
type: Input,
args: ['leafletZoomOptions']
}], zoomPanOptions: [{
type: Input,
args: ['leafletZoomPanOptions']
}], options: [{
type: Input,
args: ['leafletOptions']
}], mapReady: [{
type: Output,
args: ['leafletMapReady']
}], zoom: [{
type: Input,
args: ['leafletZoom']
}], zoomChange: [{
type: Output,
args: ['leafletZoomChange']
}], center: [{
type: Input,
args: ['leafletCenter']
}], centerChange: [{
type: Output,
args: ['leafletCenterChange']
}], fitBounds: [{
type: Input,
args: ['leafletFitBounds']
}], maxBounds: [{
type: Input,
args: ['leafletMaxBounds']
}], minZoom: [{
type: Input,
args: ['leafletMinZoom']
}], maxZoom: [{
type: Input,
args: ['leafletMaxZoom']
}], onClick: [{
type: Output,
args: ['leafletClick']
}], onDoubleClick: [{
type: Output,
args: ['leafletDoubleClick']
}], onMouseDown: [{
type: Output,
args: ['leafletMouseDown']
}], onMouseUp: [{
type: Output,
args: ['leafletMouseUp']
}], onMouseMove: [{
type: Output,
args: ['leafletMouseMove']
}], onMouseOver: [{
type: Output,
args: ['leafletMouseOver']
}], onMouseOut: [{
type: Output,
args: ['leafletMouseOut']
}], onMapMove: [{
type: Output,
args: ['leafletMapMove']
}], onMapMoveStart: [{
type: Output,
args: ['leafletMapMoveStart']
}], onMapMoveEnd: [{
type: Output,
args: ['leafletMapMoveEnd']
}], onMapZoom: [{
type: Output,
args: ['leafletMapZoom']
}], onMapZoomStart: [{
type: Output,
args: ['leafletMapZoomStart']
}], onMapZoomEnd: [{
type: Output,
args: ['leafletMapZoomEnd']
}], onResize: [{
type: HostListener,
args: ['window:resize', []]
}] } });
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{\n\tDirective, ElementRef, EventEmitter, HostListener, Input, NgZone, OnChanges, OnDestroy, OnInit, Output,\n\tSimpleChange\n} from '@angular/core';\n\nimport { latLng, LatLng, LatLngBounds, LeafletEvent, LeafletMouseEvent, map, Map, MapOptions } from 'leaflet';\n\nimport { LeafletUtil } from './leaflet.util';\n\n@Directive({\n\tselector: '[leaflet]'\n})\nexport class LeafletDirective\n\timplements OnChanges, OnDestroy, OnInit {\n\n\treadonly DEFAULT_ZOOM = 1;\n\treadonly DEFAULT_CENTER = latLng(38.907192, -77.036871);\n\treadonly DEFAULT_FPZ_OPTIONS = {};\n\n\tresizeTimer: any;\n\n\t// Reference to the primary map object\n\tmap: Map;\n\n\t@Input('leafletFitBoundsOptions') fitBoundsOptions = this.DEFAULT_FPZ_OPTIONS;\n\t@Input('leafletPanOptions') panOptions = this.DEFAULT_FPZ_OPTIONS;\n\t@Input('leafletZoomOptions') zoomOptions = this.DEFAULT_FPZ_OPTIONS;\n\t@Input('leafletZoomPanOptions') zoomPanOptions = this.DEFAULT_FPZ_OPTIONS;\n\n\n\t// Default configuration\n\t@Input('leafletOptions') options: MapOptions = {};\n\n\t// Configure callback function for the map\n\t@Output('leafletMapReady') mapReady = new EventEmitter<Map>();\n\n\t// Zoom level for the map\n\t@Input('leafletZoom') zoom: number;\n\t@Output('leafletZoomChange') zoomChange = new EventEmitter<number>();\n\n\t// Center of the map\n\t@Input('leafletCenter') center: LatLng;\n\t@Output('leafletCenterChange') centerChange = new EventEmitter<LatLng>();\n\n\t// Set fit bounds for map\n\t@Input('leafletFitBounds') fitBounds: LatLngBounds;\n\n\t// Set the max bounds for the map\n\t@Input('leafletMaxBounds') maxBounds: LatLngBounds;\n\n\t// Set the min zoom for the map\n\t@Input('leafletMinZoom') minZoom: number;\n\n\t// Set the max zoom for the map\n\t@Input('leafletMaxZoom') maxZoom: number;\n\n\n\t// Mouse Map Events\n\t@Output('leafletClick') onClick = new EventEmitter<LeafletMouseEvent>();\n\t@Output('leafletDoubleClick') onDoubleClick = new EventEmitter<LeafletMouseEvent>();\n\t@Output('leafletMouseDown') onMouseDown = new EventEmitter<LeafletMouseEvent>();\n\t@Output('leafletMouseUp') onMouseUp = new EventEmitter<LeafletMouseEvent>();\n\t@Output('leafletMouseMove') onMouseMove = new EventEmitter<LeafletMouseEvent>();\n\t@Output('leafletMouseOver') onMouseOver = new EventEmitter<LeafletMouseEvent>();\n\t@Output('leafletMouseOut') onMouseOut = new EventEmitter<LeafletMouseEvent>();\n\n\t// Map Move Events\n\t@Output('leafletMapMove') onMapMove = new EventEmitter<LeafletEvent>();\n\t@Output('leafletMapMoveStart') onMapMoveStart = new EventEmitter<LeafletEvent>();\n\t@Output('leafletMapMoveEnd') onMapMoveEnd = new EventEmitter<LeafletEvent>();\n\n\t// Map Zoom Events\n\t@Output('leafletMapZoom') onMapZoom = new EventEmitter<LeafletEvent>();\n\t@Output('leafletMapZoomStart') onMapZoomStart = new EventEmitter<LeafletEvent>();\n\t@Output('leafletMapZoomEnd') onMapZoomEnd = new EventEmitter<LeafletEvent>();\n\n\tconstructor(private element: ElementRef, private zone: NgZone) {\n\t\t// Nothing here\n\t}\n\n\tngOnInit() {\n\n\t\t// Create the map outside of angular so the various map events don't trigger change detection\n\t\tthis.zone.runOutsideAngular(() => {\n\n\t\t\t// Create the map with some reasonable defaults\n\t\t\tthis.map = map(this.element.nativeElement, this.options);\n\t\t\tthis.addMapEventListeners();\n\n\t\t});\n\n\t\t// Only setView if there is a center/zoom\n\t\tif (null != this.center && null != this.zoom) {\n\t\t\tthis.setView(this.center, this.zoom);\n\t\t}\n\n\t\t// Set up all the initial settings\n\t\tif (null != this.fitBounds) {\n\t\t\tthis.setFitBounds(this.fitBounds);\n\t\t}\n\n\t\tif (null != this.maxBounds) {\n\t\t\tthis.setMaxBounds(this.maxBounds);\n\t\t}\n\n\t\tif (null != this.minZoom) {\n\t\t\tthis.setMinZoom(this.minZoom);\n\t\t}\n\n\t\tif (null != this.maxZoom) {\n\t\t\tthis.setMaxZoom(this.maxZoom);\n\t\t}\n\n\t\tthis.doResize();\n\n\t\t// Fire map ready event\n\t\tthis.mapReady.emit(this.map);\n\n\t}\n\n\tngOnChanges(changes: { [key: string]: SimpleChange }) {\n\n\t\t/*\n\t\t * The following code is to address an issue with our (basic) implementation of\n\t\t * zooming and panning. From our testing, it seems that a pan operation followed\n\t\t * by a zoom operation in the same thread will interfere with eachother. The zoom\n\t\t * operation interrupts/cancels the pan, resulting in a final center point that is\n\t\t * inaccurate. The solution seems to be to either separate them with a timeout or\n\t\t  * to collapse them into a setView call.\n\t\t */\n\n\t\t// Zooming and Panning\n\t\tif (changes['zoom'] && changes['center'] && null != this.zoom && null != this.center) {\n\t\t\tthis.setView(changes['center'].currentValue, changes['zoom'].currentValue);\n\t\t}\n\t\t// Set the zoom level\n\t\telse if (changes['zoom']) {\n\t\t\tthis.setZoom(changes['zoom'].currentValue);\n\t\t}\n\t\t// Set the map center\n\t\telse if (changes['center']) {\n\t\t\tthis.setCenter(changes['center'].currentValue);\n\t\t}\n\n\t\t// Other options\n\t\tif (changes['fitBounds']) {\n\t\t\tthis.setFitBounds(changes['fitBounds'].currentValue);\n\t\t}\n\n\t\tif (changes['maxBounds']) {\n\t\t\tthis.setMaxBounds(changes['maxBounds'].currentValue);\n\t\t}\n\n\t\tif (changes['minZoom']) {\n\t\t\tthis.setMinZoom(changes['minZoom'].currentValue);\n\t\t}\n\n\t\tif (changes['maxZoom']) {\n\t\t\tthis.setMaxZoom(changes['maxZoom'].currentValue);\n\t\t}\n\n\t}\n\n\tngOnDestroy() {\n\t\t// If this directive is destroyed, the map is too\n\t\tif (null != this.map) {\n\t\t\tthis.map.remove();\n\t\t}\n\t}\n\n\tpublic getMap() {\n\t\treturn this.map;\n\t}\n\n\n\t@HostListener('window:resize', [])\n\tonResize() {\n\t\tthis.delayResize();\n\t}\n\n\tprivate addMapEventListeners() {\n\n\t\tconst registerEventHandler = (eventName: string, handler: (e: LeafletEvent) => any) => {\n\t\t\tthis.map.on(eventName, handler);\n\t\t};\n\n\n\t\t// Add all the pass-through mouse event handlers\n\t\tregisterEventHandler('click', (e: LeafletMouseEvent) => LeafletUtil.handleEvent(this.zone, this.onClick, e));\n\t\tregisterEventHandler('dblclick', (e: LeafletMouseEvent) => LeafletUtil.handleEvent(this.zone, this.onDoubleClick, e));\n\t\tregisterEventHandler('mousedown', (e: LeafletMouseEvent) => LeafletUtil.handleEvent(this.zone, this.onMouseDown, e));\n\t\tregisterEventHandler('mouseup', (e: LeafletMouseEvent) => LeafletUtil.handleEvent(this.zone, this.onMouseUp, e));\n\t\tregisterEventHandler('mouseover', (e: LeafletMouseEvent) => LeafletUtil.handleEvent(this.zone, this.onMouseOver, e));\n\t\tregisterEventHandler('mouseout', (e: LeafletMouseEvent) => LeafletUtil.handleEvent(this.zone, this.onMouseOut, e));\n\t\tregisterEventHandler('mousemove', (e: LeafletMouseEvent) => LeafletUtil.handleEvent(this.zone, this.onMouseMove, e));\n\n\t\tregisterEventHandler('zoomstart', (e: LeafletEvent) => LeafletUtil.handleEvent(this.zone, this.onMapZoomStart, e));\n\t\tregisterEventHandler('zoom', (e: LeafletEvent) => LeafletUtil.handleEvent(this.zone, this.onMapZoom, e));\n\t\tregisterEventHandler('zoomend', (e: LeafletEvent) => LeafletUtil.handleEvent(this.zone, this.onMapZoomEnd, e));\n\t\tregisterEventHandler('movestart', (e: LeafletEvent) => LeafletUtil.handleEvent(this.zone, this.onMapMoveStart, e));\n\t\tregisterEventHandler('move', (e: LeafletEvent) => LeafletUtil.handleEvent(this.zone, this.onMapMove, e));\n\t\tregisterEventHandler('moveend', (e: LeafletEvent) => LeafletUtil.handleEvent(this.zone, this.onMapMoveEnd, e));\n\n\n\t\t// Update any things for which we provide output bindings\n\t\tconst outputUpdateHandler = () => {\n\t\t\tconst zoom = this.map.getZoom();\n\t\t\tif (zoom !== this.zoom) {\n\t\t\t\tthis.zoom = zoom;\n\t\t\t\tLeafletUtil.handleEvent(this.zone, this.zoomChange, zoom);\n\t\t\t}\n\n\t\t\tconst center = this.map.getCenter();\n\t\t\tif (null != center || null != this.center) {\n\n\t\t\t\tif (((null == center || null == this.center) && center !== this.center)\n\t\t\t\t\t|| (center.lat !== this.center.lat || center.lng !== this.center.lng)) {\n\n\t\t\t\t\tthis.center = center;\n\t\t\t\t\tLeafletUtil.handleEvent(this.zone, this.centerChange, center);\n\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\n\t\tregisterEventHandler('moveend', outputUpdateHandler);\n\t\tregisterEventHandler('zoomend', outputUpdateHandler);\n\t}\n\n\t/**\n\t * Resize the map to fit it's parent container\n\t */\n\tprivate doResize() {\n\n\t\t// Run this outside of angular so the map events stay outside of angular\n\t\tthis.zone.runOutsideAngular(() => {\n\n\t\t\t// Invalidate the map size to trigger it to update itself\n\t\t\tif (null != this.map) {\n\t\t\t\tthis.map.invalidateSize({});\n\t\t\t}\n\n\t\t});\n\n\t}\n\n\t/**\n\t * Manage a delayed resize of the component\n\t */\n\tprivate delayResize() {\n\t\tif (null != this.resizeTimer) {\n\t\t\tclearTimeout(this.resizeTimer);\n\t\t}\n\t\tthis.resizeTimer = setTimeout(this.doResize.bind(this), 200);\n\t}\n\n\n\t/**\n\t * Set the view (center/zoom) all at once\n\t * @param center The new center\n\t * @param zoom The new zoom level\n\t */\n\tprivate setView(center: LatLng, zoom: number) {\n\n\t\tif (null != this.map && null != center && null != zoom) {\n\t\t\tthis.map.setView(center, zoom, this.zoomPanOptions);\n\t\t}\n\n\t}\n\n\t/**\n\t * Set the map zoom level\n\t * @param zoom the new zoom level for the map\n\t */\n\tprivate setZoom(zoom: number) {\n\n\t\tif (null != this.map && null != zoom) {\n\t\t\tthis.map.setZoom(zoom, this.zoomOptions);\n\t\t}\n\n\t}\n\n\t/**\n\t * Set the center of the map\n\t * @param center the center point\n\t */\n\tprivate setCenter(center: LatLng) {\n\n\t\tif (null != this.map && null != center) {\n\t\t\tthis.map.panTo(center, this.panOptions);\n\t\t}\n\n\t}\n\n\t/**\n\t * Fit the map to the bounds\n\t * @param latLngBounds the boundary to set\n\t */\n\tprivate setFitBounds(latLngBounds: LatLngBounds) {\n\n\t\tif (null != this.map && null != latLngBounds) {\n\t\t\tthis.map.fitBounds(latLngBounds, this.fitBoundsOptions);\n\t\t}\n\n\t}\n\n\t/**\n\t * Set the map's max bounds\n\t * @param latLngBounds the boundary to set\n\t */\n\tprivate setMaxBounds(latLngBounds: LatLngBounds) {\n\n\t\tif (null != this.map && null != latLngBounds) {\n\t\t\tthis.map.setMaxBounds(latLngBounds);\n\t\t}\n\n\t}\n\n\t/**\n\t * Set the map's min zoom\n\t * @param number the new min zoom\n\t */\n\tprivate setMinZoom(zoom: number) {\n\n\t\tif (null != this.map && null != zoom) {\n\t\t\tthis.map.setMinZoom(zoom);\n\t\t}\n\n\t}\n\n\t/**\n\t * Set the map's min zoom\n\t * @param number the new min zoom\n\t */\n\tprivate setMaxZoom(zoom: number) {\n\n\t\tif (null != this.map && null != zoom) {\n\t\t\tthis.map.setMaxZoom(zoom);\n\t\t}\n\n\t}\n\n}\n"]}