Added parameter select setting for autopopulating first selector value (#746)

* Added setting for autoselecting first parameter select value

* Sorting returned auto selector values

* Selecting the first value of the suggestions correctly

Author: nielsdejong

src/chart/parameter/component/NodePropertyParameterSelect.tsx

@@ -43,6 +43,8 @@ const NodePropertyParameterSelectComponent = (props: ParameterSelectProps) => {
   const helperText = props.settings && props.settings.helperText ? props.settings.helperText : '';
   const clearParameterOnFieldClear =
     props.settings && props.settings.clearParameterOnFieldClear ? props.settings.clearParameterOnFieldClear : false;
+  const autoSelectFirstValue =
+    props.settings && props.settings.autoSelectFirstValue ? props.settings.autoSelectFirstValue : false;
 
   // index of the display value in the resulting extra records retrieved by the component when the user types. equals '1' for NeoDash 2.2.2 and later.
   const displayValueRowIndex = props.compatibilityMode
@@ -190,6 +192,19 @@ const NodePropertyParameterSelectComponent = (props: ParameterSelectProps) => {
             debouncedQueryCallback(props.query, { input: `${inputDisplayText}`, ...allParameters }, setExtraRecords);
           }
         }}
+        onBlur={() => {
+          // If the user loses focus of the selector, and nothing is selected
+          // We may want to auto-select the first value produced by the selector query (`autoSelectFirstValue == true`)
+          if (autoSelectFirstValue && paramValueDisplayLocal == '') {
+            debouncedQueryCallback(props.query, { input: '', ...allParameters }, (records) => {
+              if (records && records.length > 0 && records[0] && records[0]._fields) {
+                const values = records?.map((r) => r?._fields?.[displayValueRowIndex] || '(no data)').sort();
+                setExtraRecords(records);
+                propagateSelection(undefined, values[0]);
+              }
+            });
+          }
+        }}
         value={inputValue || ''}
         onChange={propagateSelection}
         renderInput={(params) => (

src/config/ReportConfig.tsx

@@ -1070,6 +1070,12 @@ const _REPORT_TYPES = {
         values: [true, false],
         default: false,
       },
+      autoSelectFirstValue: {
+        label: 'Auto-select first value on no selection',
+        type: SELECTION_TYPES.LIST,
+        values: [true, false],
+        default: false,
+      },
       manualPropertyNameSpecification: {
         label: 'Manual Label/Property Name Specification',
         type: SELECTION_TYPES.LIST,