From b93d36f154d6e5b16769ddec07bb8936512f8bb1 Mon Sep 17 00:00:00 2001
From: Abyss777 <abyss@fox5.ru>
Date: Wed, 15 Mar 2017 09:38:12 +0500
Subject: Zoom to all devices on launch

---
 web/app/controller/Root.js    | 17 +++++++++++++++++
 web/app/view/MapController.js | 28 +++++++++++++++++++++++++++-
 2 files changed, 44 insertions(+), 1 deletion(-)

(limited to 'web/app')

diff --git a/web/app/controller/Root.js b/web/app/controller/Root.js
index 404fb7cc..94f0705f 100644
--- a/web/app/controller/Root.js
+++ b/web/app/controller/Root.js
@@ -167,6 +167,9 @@ Ext.define('Traccar.controller.Root', {
                 self.updateEvents(data.events);
             }
         };
+        if (first) {
+            this.first = true;
+        }
     },
 
     updateDevices: function (array) {
@@ -196,6 +199,10 @@ Ext.define('Traccar.controller.Root', {
                 store.add(Ext.create('Traccar.model.Position', array[i]));
             }
         }
+        if (this.first) {
+            this.zoomToAllDevices();
+            this.first = false;
+        }
     },
 
     updateEvents: function (array) {
@@ -225,5 +232,15 @@ Ext.define('Traccar.controller.Root', {
                 Ext.toast(text, device.get('name'), 'br');
             }
         }
+    },
+
+    zoomToAllDevices: function () {
+        var lat, lon, zoom;
+        lat = Traccar.app.getPreference('latitude', 0);
+        lon = Traccar.app.getPreference('longitude', 0);
+        zoom = Traccar.app.getPreference('zoom', 0);
+        if (lat === 0 && lon === 0 && zoom === 0) {
+            this.fireEvent('zoomtoalldevices');
+        }
     }
 });
diff --git a/web/app/view/MapController.js b/web/app/view/MapController.js
index 95296f14..1a2a9c13 100644
--- a/web/app/view/MapController.js
+++ b/web/app/view/MapController.js
@@ -28,7 +28,8 @@ Ext.define('Traccar.view.MapController', {
             controller: {
                 '*': {
                     mapstaterequest: 'getMapState',
-                    togglestaterequest: 'getToggleState'
+                    togglestaterequest: 'getToggleState',
+                    zoomtoalldevices: 'zoomToAllDevices'
                 }
             },
             store: {
@@ -98,5 +99,30 @@ Ext.define('Traccar.view.MapController', {
                 return true;
             }, this);
         }
+    },
+
+    zoomToAllDevices: function () {
+        var data, i, point, minx, miny, maxx, maxy;
+        data = Ext.getStore('LatestPositions').getData();
+        for (i = 0; i < data.items.length; i++) {
+            point = ol.proj.fromLonLat([
+                data.items[i].get('longitude'),
+                data.items[i].get('latitude')
+            ]);
+            if (i === 0) {
+                minx = maxx = point[0];
+                miny = maxy = point[1];
+            } else {
+                minx = Math.min(point[0], minx);
+                miny = Math.min(point[1], miny);
+                maxx = Math.max(point[0], maxx);
+                maxy = Math.max(point[1], maxy);
+            }
+        }
+        if (minx !== maxx || miny !== maxy) {
+            this.getView().getMapView().fit([minx, miny, maxx, maxy]);
+        } else if (point) {
+            this.getView().getMapView().fit(new ol.geom.Point(point));
+        }
     }
 });
-- 
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