Added offline backups for Gateways

application/src/main/data/json/system/widget_types/gateway_status.json

@@ -0,0 +1,44 @@
+{
+  "fqn": "gateway_widgets.gateway_status",
+  "name": "Gateway status",
+  "deprecated": false,
+  "image": "tb-image;/api/images/system/gateway_status_system_widget_image.png",
+  "description": "Indicator of Gateway connection status.",
+  "descriptor": {
+    "type": "latest",
+    "sizeX": 7.5,
+    "sizeY": 3,
+    "resources": [
+      {
+        "url": "tb-resource;/api/resource/js_module/system/gateway-management-extension.js",
+        "isModule": true
+      }
+    ],
+    "templateHtml": "<tb-gateway-status [deviceId]=\"entityId\" *ngIf=\"entityId\" [ctx]=\"ctx\"></tb-gateway-status>",
+    "templateCss": "",
+    "controllerScript": "self.onInit = function() {\n    if (self.ctx.datasources && self.ctx.datasources.length) {\n        self.ctx.$scope.entityId = self.ctx.datasources[0].entity.id;\n    }\n};\n\nself.onDataUpdated = function() {\n    self.ctx.$scope.gatewayStatus?.onDataUpdated();\n};",
+    "settingsSchema": "",
+    "dataKeySettingsSchema": "",
+    "settingsDirective": "tb-gateway-status",
+    "defaultConfig": "{\"datasources\":[{\"type\":\"static\",\"name\":\"function\",\"dataKeys\":[{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Random\",\"color\":\"#2196f3\",\"settings\":{},\"_hash\":0.15479322438769105,\"funcBody\":\"var value = prevValue + Math.random() * 100 - 50;\\nvar multiplier = Math.pow(10, 2 || 0);\\nvar value = Math.round(value * multiplier) / multiplier;\\nif (value < -1000) {\\n\\tvalue = -1000;\\n} else if (value > 1000) {\\n\\tvalue = 1000;\\n}\\nreturn value;\"}]}],\"timewindow\":{\"realtime\":{\"timewindowMs\":60000}},\"showTitle\":false,\"backgroundColor\":\"rgb(255, 255, 255)\",\"color\":\"rgba(0, 0, 0, 0.87)\",\"padding\":\"8px\",\"settings\":{\"cardHtml\":\"<div class='card'>HTML code here</div>\",\"cardCss\":\".card {\\n    font-weight: bold;\\n    font-size: 32px;\\n    color: #999;\\n    width: 100%;\\n    height: 100%;\\n    display: flex;\\n    align-items: center;\\n    justify-content: center;\\n}\"},\"title\":\"HTML Card\",\"dropShadow\":true}"
+  },
+  "tags": [
+    "router",
+    "bridge",
+    "hub",
+    "access point",
+    "relay",
+    "opc ua",
+    "opc-ua",
+    "modbus",
+    "bacnet",
+    "odbc",
+    "ftp",
+    "snmp",
+    "mqtt",
+    "xmpp",
+    "ocpp",
+    "ble",
+    "bluetooth"
+  ]
+}