Etemplate: Fix nextmatch controller destroy() left some references

AJAX responses would then try to use them after the etemplate was destroyed, and fail.

api/js/etemplate/et2_dataview_controller.js

@@ -87,6 +87,7 @@ var et2_dataview_controller = /** @class */ (function () {
                 this._parentController = null;
             }
         }
+        this._grid = null;
     };
     /**
      * @param value is an object implementing the et2_IDataProvider
@@ -124,6 +125,10 @@ var et2_dataview_controller = /** @class */ (function () {
      *		Completely clears the grid and selection.
      */
     et2_dataview_controller.prototype.update = function (clear) {
+        // Avoid update after destroy
+        // Happens sometimes if AJAX response comes after etemplate unload
+        if (!this._grid)
+            return;
         // ---------
         // TODO: Actually stuff here should be done if the server responds that
         // there at all were some changes (needs implementation of "refresh")

api/js/etemplate/et2_dataview_controller.ts

@@ -131,6 +131,8 @@ export class et2_dataview_controller
 				this._parentController = null;
 			}
 		}
+
+		this._grid = null;
 	}
 
 	/**
@@ -186,6 +188,9 @@ export class et2_dataview_controller
 	 */
 	update( clear? : boolean)
 	{
+		// Avoid update after destroy
+		// Happens sometimes if AJAX response comes after etemplate unload
+		if(!this._grid) return;
 
 		// ---------
 

api/js/etemplate/et2_extension_nextmatch_controller.js

@@ -40,6 +40,8 @@ var __extends = (this && this.__extends) || (function () {
 Object.defineProperty(exports, "__esModule", { value: true });
 var et2_dataview_view_row_1 = require("./et2_dataview_view_row");
 var et2_dataview_view_tile_1 = require("./et2_dataview_view_tile");
+var et2_dataview_controller_1 = require("./et2_dataview_controller");
+var et2_dataview_model_columns_1 = require("./et2_dataview_model_columns");
 /**
  * @augments et2_dataview_controller
  */
@@ -123,6 +125,7 @@ var et2_nextmatch_controller = /** @class */ (function (_super) {
             this._objectManager.remove();
             this._actionManager.remove();
         }
+        this._widget = null;
         _super.prototype.destroy.call(this);
     };
     /**
@@ -535,7 +538,7 @@ var et2_nextmatch_controller = /** @class */ (function (_super) {
                 col_refresh = true;
                 nm.dataview.columnMgr.getColumnById('col_' + column_index)
                     .set_visibility(nm.getArrayMgr('content').parseBoolExpression(nm.columns[column_index].disabled) ?
-                    et2_dataview_column.ET2_COL_VISIBILITY_DISABLED :
+                    et2_dataview_model_columns_1.et2_dataview_column.ET2_COL_VISIBILITY_DISABLED :
                     nm.columns[column_index].visible);
             }
         }
@@ -621,6 +624,6 @@ var et2_nextmatch_controller = /** @class */ (function (_super) {
     et2_nextmatch_controller.VIEW_ROW = 'row';
     et2_nextmatch_controller.VIEW_TILE = 'tile';
     return et2_nextmatch_controller;
-}(et2_dataview_controller));
+}(et2_dataview_controller_1.et2_dataview_controller));
 exports.et2_nextmatch_controller = et2_nextmatch_controller;
 //# sourceMappingURL=et2_extension_nextmatch_controller.js.map

api/js/etemplate/et2_extension_nextmatch_controller.ts

@@ -27,6 +27,9 @@
 import {et2_IDataProvider} from "./et2_dataview_interfaces";
 import {et2_dataview_row} from "./et2_dataview_view_row";
 import {et2_dataview_tile} from "./et2_dataview_view_tile";
+import {et2_nextmatch} from "./et2_extension_nextmatch";
+import {et2_dataview_controller} from "./et2_dataview_controller";
+import {et2_dataview_column} from "./et2_dataview_model_columns";
 
 /**
  * @augments et2_dataview_controller
@@ -37,6 +40,8 @@ export class et2_nextmatch_controller extends et2_dataview_controller implements
 	public static readonly VIEW_ROW : string = 'row';
 	public static readonly VIEW_TILE: string = 'tile';
 
+	private _widget: et2_nextmatch;
+
 	/**
 	 * Initializes the nextmatch controller.
 	 *
@@ -139,6 +144,8 @@ export class et2_nextmatch_controller extends et2_dataview_controller implements
 			this._actionManager.remove();
 		}
 
+		this._widget = null;
+
 		super.destroy();
 	}