[ML] Transforms: Single Column Wizard.

x-pack/plugins/ml/public/application/components/data_grid/data_grid.tsx

@@ -4,7 +4,8 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import React, { useEffect, FC } from 'react';
+import { isEqual } from 'lodash';
+import React, { memo, useEffect, FC } from 'react';
 
 import { i18n } from '@kbn/i18n';
 
@@ -50,132 +51,154 @@ function isWithHeader(arg: any): arg is PropsWithHeader {
 
 type Props = PropsWithHeader | PropsWithoutHeader;
 
-export const DataGrid: FC<Props> = props => {
-  const {
-    columns,
-    dataTestSubj,
-    errorMessage,
-    invalidSortingColumnns,
-    noDataMessage,
-    onChangeItemsPerPage,
-    onChangePage,
-    onSort,
-    pagination,
-    setVisibleColumns,
-    renderCellValue,
-    rowCount,
-    sortingColumns,
-    status,
-    tableItems: data,
-    toastNotifications,
-    visibleColumns,
-  } = props;
-
-  useEffect(() => {
-    if (invalidSortingColumnns.length > 0) {
-      invalidSortingColumnns.forEach(columnId => {
-        toastNotifications.addDanger(
-          i18n.translate('xpack.ml.dataGrid.invalidSortingColumnError', {
-            defaultMessage: `The column '{columnId}' cannot be used for sorting.`,
-            values: { columnId },
-          })
-        );
-      });
-    }
-  }, [invalidSortingColumnns, toastNotifications]);
-
-  if (status === INDEX_STATUS.LOADED && data.length === 0) {
-    return (
-      <div data-test-subj={`${dataTestSubj} empty`}>
-        {isWithHeader(props) && <DataGridTitle title={props.title} />}
-        <EuiCallOut
-          title={i18n.translate('xpack.ml.dataGrid.IndexNoDataCalloutTitle', {
-            defaultMessage: 'Empty index query result.',
-          })}
-          color="primary"
-        >
-          <p>
-            {i18n.translate('xpack.ml.dataGrid.IndexNoDataCalloutBody', {
-              defaultMessage:
-                'The query for the index returned no results. Please make sure you have sufficient permissions, the index contains documents and your query is not too restrictive.',
+export const DataGrid: FC<Props> = memo(
+  props => {
+    const {
+      columns,
+      dataTestSubj,
+      errorMessage,
+      invalidSortingColumnns,
+      noDataMessage,
+      onChangeItemsPerPage,
+      onChangePage,
+      onSort,
+      pagination,
+      setVisibleColumns,
+      renderCellValue,
+      rowCount,
+      sortingColumns,
+      status,
+      tableItems: data,
+      toastNotifications,
+      visibleColumns,
+    } = props;
+
+    useEffect(() => {
+      if (invalidSortingColumnns.length > 0) {
+        invalidSortingColumnns.forEach(columnId => {
+          toastNotifications.addDanger(
+            i18n.translate('xpack.ml.dataGrid.invalidSortingColumnError', {
+              defaultMessage: `The column '{columnId}' cannot be used for sorting.`,
+              values: { columnId },
+            })
+          );
+        });
+      }
+    }, [invalidSortingColumnns, toastNotifications]);
+
+    if (status === INDEX_STATUS.LOADED && data.length === 0) {
+      return (
+        <div data-test-subj={`${dataTestSubj} empty`}>
+          {isWithHeader(props) && <DataGridTitle title={props.title} />}
+          <EuiCallOut
+            title={i18n.translate('xpack.ml.dataGrid.IndexNoDataCalloutTitle', {
+              defaultMessage: 'Empty index query result.',
             })}
-          </p>
-        </EuiCallOut>
-      </div>
-    );
-  }
+            color="primary"
+          >
+            <p>
+              {i18n.translate('xpack.ml.dataGrid.IndexNoDataCalloutBody', {
+                defaultMessage:
+                  'The query for the index returned no results. Please make sure you have sufficient permissions, the index contains documents and your query is not too restrictive.',
+              })}
+            </p>
+          </EuiCallOut>
+        </div>
+      );
+    }
 
-  if (noDataMessage !== '') {
-    return (
-      <div data-test-subj={`${dataTestSubj} empty`}>
-        {isWithHeader(props) && <DataGridTitle title={props.title} />}
-        <EuiCallOut
-          title={i18n.translate('xpack.ml.dataGrid.dataGridNoDataCalloutTitle', {
-            defaultMessage: 'Index preview not available',
-          })}
-          color="primary"
-        >
-          <p>{noDataMessage}</p>
-        </EuiCallOut>
-      </div>
-    );
-  }
-
-  return (
-    <div data-test-subj={`${dataTestSubj} ${status === INDEX_STATUS.ERROR ? 'error' : 'loaded'}`}>
-      {isWithHeader(props) && (
-        <EuiFlexGroup alignItems="center" justifyContent="spaceBetween">
-          <EuiFlexItem>
-            <DataGridTitle title={props.title} />
-          </EuiFlexItem>
-          <EuiFlexItem grow={false}>
-            <EuiCopy
-              beforeMessage={props.copyToClipboardDescription}
-              textToCopy={props.copyToClipboard}
-            >
-              {(copy: () => void) => (
-                <EuiButtonIcon
-                  onClick={copy}
-                  iconType="copyClipboard"
-                  aria-label={props.copyToClipboardDescription}
-                />
-              )}
-            </EuiCopy>
-          </EuiFlexItem>
-        </EuiFlexGroup>
-      )}
-      {status === INDEX_STATUS.ERROR && (
-        <div data-test-subj={`${dataTestSubj} error`}>
+    if (noDataMessage !== '') {
+      return (
+        <div data-test-subj={`${dataTestSubj} empty`}>
+          {isWithHeader(props) && <DataGridTitle title={props.title} />}
           <EuiCallOut
-            title={i18n.translate('xpack.ml.dataGrid.indexDataError', {
-              defaultMessage: 'An error occurred loading the index data.',
+            title={i18n.translate('xpack.ml.dataGrid.dataGridNoDataCalloutTitle', {
+              defaultMessage: 'Index preview not available',
             })}
-            color="danger"
-            iconType="cross"
+            color="primary"
           >
-            <EuiCodeBlock language="json" fontSize="s" paddingSize="s" isCopyable>
-              {errorMessage}
-            </EuiCodeBlock>
+            <p>{noDataMessage}</p>
           </EuiCallOut>
-          <EuiSpacer size="m" />
         </div>
-      )}
-      <EuiDataGrid
-        aria-label={isWithHeader(props) ? props.title : ''}
-        columns={columns}
-        columnVisibility={{ visibleColumns, setVisibleColumns }}
-        gridStyle={euiDataGridStyle}
-        rowCount={rowCount}
-        renderCellValue={renderCellValue}
-        sorting={{ columns: sortingColumns, onSort }}
-        toolbarVisibility={euiDataGridToolbarSettings}
-        pagination={{
-          ...pagination,
-          pageSizeOptions: [5, 10, 25],
-          onChangeItemsPerPage,
-          onChangePage,
-        }}
-      />
-    </div>
-  );
-};
+      );
+    }
+
+    return (
+      <div data-test-subj={`${dataTestSubj} ${status === INDEX_STATUS.ERROR ? 'error' : 'loaded'}`}>
+        {isWithHeader(props) && (
+          <EuiFlexGroup alignItems="center" justifyContent="spaceBetween">
+            <EuiFlexItem>
+              <DataGridTitle title={props.title} />
+            </EuiFlexItem>
+            <EuiFlexItem grow={false}>
+              <EuiCopy
+                beforeMessage={props.copyToClipboardDescription}
+                textToCopy={props.copyToClipboard}
+              >
+                {(copy: () => void) => (
+                  <EuiButtonIcon
+                    onClick={copy}
+                    iconType="copyClipboard"
+                    aria-label={props.copyToClipboardDescription}
+                  />
+                )}
+              </EuiCopy>
+            </EuiFlexItem>
+          </EuiFlexGroup>
+        )}
+        {status === INDEX_STATUS.ERROR && (
+          <div data-test-subj={`${dataTestSubj} error`}>
+            <EuiCallOut
+              title={i18n.translate('xpack.ml.dataGrid.indexDataError', {
+                defaultMessage: 'An error occurred loading the index data.',
+              })}
+              color="danger"
+              iconType="cross"
+            >
+              <EuiCodeBlock language="json" fontSize="s" paddingSize="s" isCopyable>
+                {errorMessage}
+              </EuiCodeBlock>
+            </EuiCallOut>
+            <EuiSpacer size="m" />
+          </div>
+        )}
+        <EuiDataGrid
+          aria-label={isWithHeader(props) ? props.title : ''}
+          columns={columns}
+          columnVisibility={{ visibleColumns, setVisibleColumns }}
+          gridStyle={euiDataGridStyle}
+          rowCount={rowCount}
+          renderCellValue={renderCellValue}
+          sorting={{ columns: sortingColumns, onSort }}
+          toolbarVisibility={euiDataGridToolbarSettings}
+          pagination={{
+            ...pagination,
+            pageSizeOptions: [5, 10, 25],
+            onChangeItemsPerPage,
+            onChangePage,
+          }}
+        />
+      </div>
+    );
+  },
+  (prevProps, nextProps) => isEqual(pickProps(prevProps), pickProps(nextProps))
+);
+
+function pickProps(props: Props) {
+  return [
+    props.columns,
+    props.dataTestSubj,
+    props.errorMessage,
+    props.invalidSortingColumnns,
+    props.noDataMessage,
+    props.pagination,
+    props.rowCount,
+    props.sortingColumns,
+    props.status,
+    props.tableItems,
+    props.visibleColumns,
+    ...(isWithHeader(props)
+      ? [props.copyToClipboard, props.copyToClipboardDescription, props.title]
+      : []),
+  ];
+}

x-pack/plugins/transform/public/app/common/request.test.ts

@@ -6,7 +6,7 @@
 
 import { PivotGroupByConfig } from '../common';
 
-import { StepDefineExposedState } from '../sections/create_transform/components/step_define/step_define_form';
+import { StepDefineExposedState } from '../sections/create_transform/components/step_define';
 import { StepDetailsExposedState } from '../sections/create_transform/components/step_details/step_details_form';
 
 import { PIVOT_SUPPORTED_GROUP_BY_AGGS } from './pivot_group_by';

x-pack/plugins/transform/public/app/common/request.ts

@@ -9,7 +9,7 @@ import { DefaultOperator } from 'elasticsearch';
 import { dictionaryToArray } from '../../../common/types/common';
 import { SavedSearchQuery } from '../hooks/use_search_items';
 
-import { StepDefineExposedState } from '../sections/create_transform/components/step_define/step_define_form';
+import { StepDefineExposedState } from '../sections/create_transform/components/step_define';
 import { StepDetailsExposedState } from '../sections/create_transform/components/step_details/step_details_form';
 
 import { IndexPattern } from '../../../../../../src/plugins/data/public';

x-pack/plugins/transform/public/app/hooks/use_pivot_data.ts

@@ -123,8 +123,6 @@ export const usePivotData = (
     tableItems,
   } = dataGrid;
 
-  const previewRequest = getPreviewRequestBody(indexPatternTitle, query, groupByArr, aggsArr);
-
   const getPreviewData = async () => {
     if (aggsArr.length === 0 || groupByArr.length === 0) {
       setTableItems([]);
@@ -142,6 +140,7 @@ export const usePivotData = (
     setStatus(INDEX_STATUS.LOADING);
 
     try {
+      const previewRequest = getPreviewRequestBody(indexPatternTitle, query, groupByArr, aggsArr);
       const resp = await api.getTransformsPreview(previewRequest);
       setTableItems(resp.preview);
       setRowCount(resp.preview.length);

x-pack/plugins/transform/public/app/sections/create_transform/components/advanced_pivot_editor/advanced_pivot_editor.tsx

@@ -0,0 +1,69 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { isEqual } from 'lodash';
+import React, { memo, FC } from 'react';
+
+import { EuiCodeEditor, EuiFormRow } from '@elastic/eui';
+
+import { i18n } from '@kbn/i18n';
+
+import { StepDefineFormHook } from '../step_define';
+
+export const AdvancedPivotEditor: FC<StepDefineFormHook['advancedPivotEditor']> = memo(
+  ({
+    actions: { convertToJson, setAdvancedEditorConfig, setAdvancedPivotEditorApplyButtonEnabled },
+    state: { advancedEditorConfigLastApplied, advancedEditorConfig, xJsonMode },
+  }) => {
+    return (
+      <EuiFormRow
+        fullWidth
+        label={i18n.translate('xpack.transform.stepDefineForm.advancedEditorLabel', {
+          defaultMessage: 'Pivot configuration object',
+        })}
+      >
+        <EuiCodeEditor
+          data-test-subj="transformAdvancedPivotEditor"
+          style={{ border: '1px solid #e3e6ef' }}
+          height="250px"
+          width="100%"
+          mode={xJsonMode}
+          value={advancedEditorConfig}
+          onChange={(d: string) => {
+            setAdvancedEditorConfig(d);
+
+            // Disable the "Apply"-Button if the config hasn't changed.
+            if (advancedEditorConfigLastApplied === d) {
+              setAdvancedPivotEditorApplyButtonEnabled(false);
+              return;
+            }
+
+            // Try to parse the string passed on from the editor.
+            // If parsing fails, the "Apply"-Button will be disabled
+            try {
+              JSON.parse(convertToJson(d));
+              setAdvancedPivotEditorApplyButtonEnabled(true);
+            } catch (e) {
+              setAdvancedPivotEditorApplyButtonEnabled(false);
+            }
+          }}
+          setOptions={{
+            fontSize: '12px',
+          }}
+          theme="textmate"
+          aria-label={i18n.translate('xpack.transform.stepDefineForm.advancedEditorAriaLabel', {
+            defaultMessage: 'Advanced pivot editor',
+          })}
+        />
+      </EuiFormRow>
+    );
+  },
+  (prevProps, nextProps) => isEqual(pickProps(prevProps), pickProps(nextProps))
+);
+
+function pickProps(props: StepDefineFormHook['advancedPivotEditor']) {
+  return [props.state.advancedEditorConfigLastApplied, props.state.advancedEditorConfig];
+}

x-pack/plugins/transform/public/app/sections/create_transform/components/advanced_pivot_editor/index.ts

@@ -0,0 +1,7 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+export { AdvancedPivotEditor } from './advanced_pivot_editor';