From 0789a176454f123c00fe3491284e1da6ceb2bcc0 Mon Sep 17 00:00:00 2001
From: lazarljubenovic <lazar.ljubenovic.1995@gmail.com>
Date: Thu, 24 Nov 2016 20:19:17 +0100
Subject: [PATCH] feat(SebmGoogleMap): support maxZoom and minZoom

---
 src/core/directives/google-map.ts      | 25 ++++++++++++++++++++-----
 src/core/services/google-maps-types.ts |  2 ++
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/src/core/directives/google-map.ts b/src/core/directives/google-map.ts
index 981fb53ac..a0101fb1d 100644
--- a/src/core/directives/google-map.ts
+++ b/src/core/directives/google-map.ts
@@ -45,10 +45,10 @@ import {KmlLayerManager} from './../services/managers/kml-layer-manager';
     PolygonManager, KmlLayerManager
   ],
   inputs: [
-    'longitude', 'latitude', 'zoom', 'draggable: mapDraggable', 'disableDoubleClickZoom',
-    'disableDefaultUI', 'scrollwheel', 'backgroundColor', 'draggableCursor', 'draggingCursor',
-    'keyboardShortcuts', 'zoomControl', 'styles', 'usePanning', 'streetViewControl', 'fitBounds',
-    'scaleControl', 'mapTypeControl'
+    'longitude', 'latitude', 'zoom', 'minZoom', 'maxZoom', 'draggable: mapDraggable',
+    'disableDoubleClickZoom', 'disableDefaultUI', 'scrollwheel', 'backgroundColor', 'draggableCursor',
+    'draggingCursor', 'keyboardShortcuts', 'zoomControl', 'styles', 'usePanning', 'streetViewControl',
+    'fitBounds', 'scaleControl', 'mapTypeControl'
   ],
   outputs: [
     'mapClick', 'mapRightClick', 'mapDblClick', 'centerChange', 'idle', 'boundsChange', 'zoomChange'
@@ -86,6 +86,18 @@ export class SebmGoogleMap implements OnChanges, OnInit, OnDestroy {
    */
   zoom: number = 8;
 
+  /**
+   * The minimal zoom level of the map allowed. When not provided, no restrictions to the zoom level
+   * are enforced.
+   */
+  minZoom: number;
+
+  /**
+   * The maximal zoom level of the map allowed. When not provided, no restrictions to the zoom level
+   * are enforced.
+   */
+  maxZoom: number;
+
   /**
    * Enables/disables if map is draggable.
    */
@@ -180,7 +192,8 @@ export class SebmGoogleMap implements OnChanges, OnInit, OnDestroy {
    */
   private static _mapOptionsAttributes: string[] = [
     'disableDoubleClickZoom', 'scrollwheel', 'draggable', 'draggableCursor', 'draggingCursor',
-    'keyboardShortcuts', 'zoomControl', 'styles', 'streetViewControl', 'zoom', 'mapTypeControl'
+    'keyboardShortcuts', 'zoomControl', 'styles', 'streetViewControl', 'zoom', 'mapTypeControl',
+    'minZoom', 'maxZoom'
   ];
 
   private _observableSubscriptions: Subscription[] = [];
@@ -236,6 +249,8 @@ export class SebmGoogleMap implements OnChanges, OnInit, OnDestroy {
     this._mapsWrapper.createMap(el, {
       center: {lat: this.latitude || 0, lng: this.longitude || 0},
       zoom: this.zoom,
+      minZoom: this.minZoom,
+      maxZoom: this.maxZoom,
       disableDefaultUI: this.disableDefaultUI,
       backgroundColor: this.backgroundColor,
       draggable: this.draggable,
diff --git a/src/core/services/google-maps-types.ts b/src/core/services/google-maps-types.ts
index a90537679..0fe6dc936 100644
--- a/src/core/services/google-maps-types.ts
+++ b/src/core/services/google-maps-types.ts
@@ -120,6 +120,8 @@ export interface MouseEvent { latLng: LatLng; }
 export interface MapOptions {
   center?: LatLng|LatLngLiteral;
   zoom?: number;
+  minZoom?: number;
+  maxZoom?: number;
   disableDoubleClickZoom?: boolean;
   disableDefaultUI?: boolean;
   backgroundColor?: string;