#24 load saved view config from data views on data table change

Author: RandomFractals

data/Demographics-Demographics.config

@@ -0,0 +1,14 @@
+{
+  "config": {
+    "aggregates": "{\"Education\":\"count\",\"Gender\":\"count\",\"Marital Status\":\"count\",\"Occupation\":\"count\",\"Yearly Income\":\"count\",\"Birth Date\":\"count\",\"Date First Purchase\":\"count\",\"Number Cars Owned\":\"sum\",\"Number Children At Home\":\"sum\",\"Total Children\":\"sum\",\"Total Purchase YTD\":\"sum\",\"Home Owner Flag\":\"count\"}",
+    "column-pivots": "[]",
+    "columns": "[\"Birth Date\",\"Date First Purchase\",\"Education\",\"Gender\",\"Home Owner Flag\",\"Marital Status\",\"Number Cars Owned\",\"Number Children At Home\",\"Occupation\",\"Total Children\",\"Total Purchase YTD\",\"Yearly Income\"]",
+    "filters": "[]",
+    "row-pivots": "[]",
+    "settings": "true",
+    "sort": "[[\"Education\",\"asc\"]]",
+    "view": "grid"
+  },
+  "dataFileName": "Demographics.xlsx",
+  "dataTable": "Demographics"
+}

src/data.preview.ts

@@ -252,8 +252,14 @@ export class DataPreview {
    * Saves updated data viewer config for restore on vscode reload.
    */
   private updateConfig(viewConfig: any, dataTable: string) {
-    if (viewConfig.hasOwnProperty('view') && // not a blank view config
+    if (this._dataTable !== dataTable && this._dataViews.hasOwnProperty(dataTable)) {
+      // load saved data view for the requested data table
+      this._viewConfig = this._dataViews[dataTable];
+      this._logger.debug(`updateConfig(${dataTable}): new view config:`, this._viewConfig);
+    }
+    else if (viewConfig.hasOwnProperty('view') && // not a blank view config
       JSON.stringify(this._viewConfig) !== JSON.stringify(viewConfig)) {
+      // update view config for the loaded data table
       this._viewConfig = viewConfig;
       this._logger.debug(`updateConfig(${this._dataTable}): config:`, this._viewConfig);
       if (this._dataTable.length > 0) {