Multi-line kql bar (#70140) (#71127)

* Multiline kql bar

* fix id

* use visibility rather than display to hide stuff, cross fingers for tests

* another vis trick for tests

* quasi fix tests, still some failures

* caroline feedback

* fun!

* fix for mouse

* fix test

* check api

* fix unit test on query_string_input

* Fix cypress test

* handle the resize of the height of the textarea when the window have been resize

Co-authored-by: Xavier Mouligneau <189600+XavierM@users.noreply.github.com>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
Co-authored-by: Liza K <liza.katz@elastic.co>

Co-authored-by: Dave Snider <dave.snider@gmail.com>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
Co-authored-by: Liza K <liza.katz@elastic.co>

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.querystringinput.md

@@ -7,5 +7,5 @@
 <b>Signature:</b>
 
 ```typescript
-QueryStringInput: React.FC<Pick<Props, "query" | "prepend" | "placeholder" | "onChange" | "onBlur" | "onSubmit" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition">>
+QueryStringInput: React.FC<Pick<Props, "query" | "prepend" | "placeholder" | "onChange" | "onBlur" | "onSubmit" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition" | "onChangeQueryInputFocus">>
 ```

src/plugins/data/public/public.api.md

@@ -51,7 +51,6 @@ import { ErrorToastOptions } from 'src/core/public/notifications';
 import { EuiButtonEmptyProps } from '@elastic/eui';
 import { EuiComboBoxProps } from '@elastic/eui';
 import { EuiConfirmModalProps } from '@elastic/eui';
-import { EuiFieldText } from '@elastic/eui';
 import { EuiGlobalToastListToast } from '@elastic/eui';
 import { ExclusiveUnion } from '@elastic/eui';
 import { ExistsParams } from 'elasticsearch';
@@ -1492,7 +1491,7 @@ export interface QueryState {
 // Warning: (ae-missing-release-tag) "QueryStringInput" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
 //
 // @public (undocumented)
-export const QueryStringInput: React.FC<Pick<Props_3, "query" | "prepend" | "placeholder" | "onChange" | "onBlur" | "onSubmit" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition">>;
+export const QueryStringInput: React.FC<Pick<Props_3, "query" | "prepend" | "placeholder" | "onChange" | "onBlur" | "onSubmit" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition" | "onChangeQueryInputFocus">>;
 
 // @public (undocumented)
 export type QuerySuggestion = QuerySuggestionBasic | QuerySuggestionField;

src/plugins/data/public/ui/query_string_input/_query_bar.scss

@@ -1,3 +1,41 @@
+.kbnQueryBar__wrap {
+  max-width: 100%;
+  z-index: $euiZContentMenu;
+}
+
+// Uses the append style, but no bordering
+.kqlQueryBar__languageSwitcherButton {
+  border-right: none !important;
+}
+
+.kbnQueryBar__textarea {
+  z-index: $euiZContentMenu;
+  resize: none !important; // When in the group, it will autosize
+  height: $euiSizeXXL;
+  // Unlike most inputs within layout control groups, the text area still needs a border.
+  // These adjusts help it sit above the control groups shadow to line up correctly.
+  padding-top: $euiSizeS + 3px !important;
+  transform: translateY(-2px);
+  padding: $euiSizeS - 1px;
+
+  &:not(:focus) {
+    @include euiYScrollWithShadows;
+    white-space: nowrap;
+    overflow-y: hidden;
+    overflow-x: hidden;
+    border: none;
+    box-shadow: none;
+  }
+
+  // When focused, let it scroll
+  &:focus {
+    overflow-x: auto;
+    overflow-y: auto;
+    width: calc(100% + 1px); // To overtake the group's fake border
+    white-space: normal;
+  }
+}
+
 @include euiBreakpoint('xs', 's') {
   .kbnQueryBar--withDatePicker {
     > :first-child {
@@ -16,5 +54,11 @@
     // sass-lint:disable-block no-important
     flex-grow: 0 !important;
     flex-basis: auto !important;
+    margin-right: -$euiSizeXS !important;
+
+    &.kbnQueryBar__datePickerWrapper-isHidden {
+      width: 0;
+      overflow: hidden;
+    }
   }
 }

src/plugins/data/public/ui/query_string_input/language_switcher.tsx

@@ -60,7 +60,7 @@ export function QueryLanguageSwitcher(props: Props) {
     <EuiButtonEmpty
       size="xs"
       onClick={() => setIsPopoverOpen(!isPopoverOpen)}
-      className="euiFormControlLayout__append"
+      className="euiFormControlLayout__append kqlQueryBar__languageSwitcherButton"
       data-test-subj={'switchQueryLanguageButton'}
     >
       {props.language === 'lucene' ? luceneLabel : kqlLabel}

src/plugins/data/public/ui/query_string_input/query_bar_top_row.tsx

@@ -69,6 +69,7 @@ interface Props {
 
 export function QueryBarTopRow(props: Props) {
   const [isDateRangeInvalid, setIsDateRangeInvalid] = useState(false);
+  const [isQueryInputFocused, setIsQueryInputFocused] = useState(false);
 
   const kibana = useKibana<IDataPluginServices>();
   const { uiSettings, notifications, storage, appName, docLinks } = kibana.services;
@@ -107,6 +108,10 @@ export function QueryBarTopRow(props: Props) {
     });
   }
 
+  function onChangeQueryInputFocus(isFocused: boolean) {
+    setIsQueryInputFocused(isFocused);
+  }
+
   function onTimeChange({
     start,
     end,
@@ -182,6 +187,7 @@ export function QueryBarTopRow(props: Props) {
           query={props.query!}
           screenTitle={props.screenTitle}
           onChange={onQueryChange}
+          onChangeQueryInputFocus={onChangeQueryInputFocus}
           onSubmit={onInputSubmit}
           persistedLog={persistedLog}
           dataTestSubj={props.dataTestSubj}
@@ -268,8 +274,12 @@ export function QueryBarTopRow(props: Props) {
         };
       });
 
+    const wrapperClasses = classNames('kbnQueryBar__datePickerWrapper', {
+      'kbnQueryBar__datePickerWrapper-isHidden': isQueryInputFocused,
+    });
+
     return (
-      <EuiFlexItem className="kbnQueryBar__datePickerWrapper">
+      <EuiFlexItem className={wrapperClasses}>
         <EuiSuperDatePicker
           start={props.dateRangeFrom}
           end={props.dateRangeTo}
@@ -283,6 +293,7 @@ export function QueryBarTopRow(props: Props) {
           commonlyUsedRanges={commonlyUsedRanges}
           dateFormat={uiSettings!.get('dateFormat')}
           isAutoRefreshOnly={props.showAutoRefreshOnly}
+          className="kbnQueryBar__datePicker"
         />
       </EuiFlexItem>
     );

src/plugins/data/public/ui/query_string_input/query_string_input.test.tsx

@@ -23,7 +23,7 @@ import {
   mockPersistedLogFactory,
 } from './query_string_input.test.mocks';
 
-import { EuiFieldText } from '@elastic/eui';
+import { EuiTextArea } from '@elastic/eui';
 import React from 'react';
 import { QueryLanguageSwitcher } from './language_switcher';
 import { QueryStringInput, QueryStringInputUI } from './query_string_input';
@@ -102,7 +102,7 @@ describe('QueryStringInput', () => {
         indexPatterns: [stubIndexPatternWithFields],
       })
     );
-    expect(component.find(EuiFieldText).props().value).toBe(kqlQuery.query);
+    expect(component.find(EuiTextArea).props().value).toBe(kqlQuery.query);
     expect(component.find(QueryLanguageSwitcher).prop('language')).toBe(kqlQuery.language);
   });
 
@@ -117,7 +117,7 @@ describe('QueryStringInput', () => {
     expect(component.find(QueryLanguageSwitcher).prop('language')).toBe(luceneQuery.language);
   });
 
-  it('Should disable autoFocus on EuiFieldText when disableAutoFocus prop is true', () => {
+  it('Should disable autoFocus on EuiTextArea when disableAutoFocus prop is true', () => {
     const component = mount(
       wrapQueryStringInputInContext({
         query: kqlQuery,
@@ -126,7 +126,7 @@ describe('QueryStringInput', () => {
         disableAutoFocus: true,
       })
     );
-    expect(component.find(EuiFieldText).prop('autoFocus')).toBeFalsy();
+    expect(component.find(EuiTextArea).prop('autoFocus')).toBeFalsy();
   });
 
   it('Should create a unique PersistedLog based on the appName and query language', () => {
@@ -179,7 +179,7 @@ describe('QueryStringInput', () => {
 
     const instance = component.find('QueryStringInputUI').instance() as QueryStringInputUI;
     const input = instance.inputRef;
-    const inputWrapper = component.find(EuiFieldText).find('input');
+    const inputWrapper = component.find(EuiTextArea).find('textarea');
     inputWrapper.simulate('keyDown', { target: input, keyCode: 13, key: 'Enter', metaKey: true });
 
     expect(mockCallback).toHaveBeenCalledTimes(1);
@@ -199,7 +199,7 @@ describe('QueryStringInput', () => {
 
     const instance = component.find('QueryStringInputUI').instance() as QueryStringInputUI;
     const input = instance.inputRef;
-    const inputWrapper = component.find(EuiFieldText).find('input');
+    const inputWrapper = component.find(EuiTextArea).find('textarea');
     inputWrapper.simulate('keyDown', { target: input, keyCode: 13, key: 'Enter', metaKey: true });
 
     expect(mockPersistedLog.add).toHaveBeenCalledWith('response:200');