Create vis_type_xy plugin to replace histogram, area and line charts

docs/developer/plugin-list.asciidoc

@@ -260,7 +260,7 @@ heatmap charts.
 
 |{kib-repo}blob/{branch}/src/plugins/vis_type_xy/README.md[visTypeXy]
 |Contains the new xy-axis chart using the elastic-charts library, which will eventually
-replace the vislib xy-axis (bar, area, line) charts.
+replace the vislib xy-axis charts including bar, area and line.
 
 
 |{kib-repo}blob/{branch}/src/plugins/visualizations/README.md[visualizations]

packages/kbn-optimizer/limits.yml

@@ -6,7 +6,7 @@ pageLoadAssetSize:
   beatsManagement: 188135
   bfetch: 41874
   canvas: 1066647
-  charts: 159211
+  charts: 178009
   cloud: 21076
   console: 46091
   core: 692106
@@ -96,7 +96,7 @@ pageLoadAssetSize:
   visTypeTimeseries: 155203
   visTypeVega: 153573
   visTypeVislib: 242838
-  visTypeXy: 20255
+  visTypeXy: 73929
   visualizations: 295025
   visualize: 57431
   watcher: 43598

src/plugins/charts/public/services/legacy_colors/colors.test.ts

@@ -62,14 +62,17 @@ describe('Vislib Color Service', () => {
 
   it('should throw an error if input is not an array', () => {
     expect(() => {
+      // @ts-expect-error
       colors.createColorLookupFunction(200);
     }).toThrowError();
 
     expect(() => {
+      // @ts-expect-error
       colors.createColorLookupFunction('help');
     }).toThrowError();
 
     expect(() => {
+      // @ts-expect-error
       colors.createColorLookupFunction(true);
     }).toThrowError();
 
@@ -78,25 +81,30 @@ describe('Vislib Color Service', () => {
     }).toThrowError();
 
     expect(() => {
+      // @ts-expect-error
       colors.createColorLookupFunction(nullValue);
     }).toThrowError();
 
     expect(() => {
+      // @ts-expect-error
       colors.createColorLookupFunction(emptyObject);
     }).toThrowError();
   });
 
   describe('when array is not composed of numbers, strings, or undefined values', () => {
     it('should throw an error', () => {
       expect(() => {
+        // @ts-expect-error
         colors.createColorLookupFunction(arrayOfObjects);
       }).toThrowError();
 
       expect(() => {
+        // @ts-expect-error
         colors.createColorLookupFunction(arrayOfBooleans);
       }).toThrowError();
 
       expect(() => {
+        // @ts-expect-error
         colors.createColorLookupFunction(arrayOfNullValues);
       }).toThrowError();
     });
@@ -113,6 +121,7 @@ describe('Vislib Color Service', () => {
       }).not.toThrowError();
 
       expect(() => {
+        // @ts-expect-error
         colors.createColorLookupFunction(arrayOfUndefinedValues);
       }).not.toThrowError();
     });

src/plugins/charts/public/services/legacy_colors/colors.ts

@@ -48,7 +48,7 @@ export class LegacyColorsService {
   }
 
   createColorLookupFunction(
-    arrayOfStringsOrNumbers?: any,
+    arrayOfStringsOrNumbers?: Array<string | number>,
     colorMapping: Partial<Record<string, string>> = {}
   ) {
     if (!Array.isArray(arrayOfStringsOrNumbers)) {
@@ -67,7 +67,7 @@ export class LegacyColorsService {
 
     this.mappedColors.mapKeys(arrayOfStringsOrNumbers);
 
-    return (value: string) => {
+    return (value: string | number) => {
       return colorMapping[value] || this.mappedColors.get(value);
     };
   }

src/plugins/charts/public/static/components/basic_options.tsx

@@ -18,9 +18,11 @@
  */
 
 import React from 'react';
+
 import { i18n } from '@kbn/i18n';
 
-import { VisOptionsProps } from 'src/plugins/vis_default_editor/public';
+import { VisOptionsProps } from '../../../../vis_default_editor/public';
+
 import { SwitchOption } from './switch';
 import { SelectOption } from './select';
 

src/plugins/charts/public/static/components/collections.ts

@@ -18,17 +18,22 @@
  */
 
 import { $Values } from '@kbn/utility-types';
+import { i18n } from '@kbn/i18n';
 
-export const ColorModes = Object.freeze({
-  BACKGROUND: 'Background' as 'Background',
-  LABELS: 'Labels' as 'Labels',
-  NONE: 'None' as 'None',
+export const ColorMode = Object.freeze({
+  Background: 'Background' as 'Background',
+  Labels: 'Labels' as 'Labels',
+  None: 'None' as 'None',
 });
-export type ColorModes = $Values<typeof ColorModes>;
+export type ColorMode = $Values<typeof ColorMode>;
 
-export const Rotates = Object.freeze({
-  HORIZONTAL: 0,
-  VERTICAL: 90,
-  ANGLED: 75,
+export const LabelRotation = Object.freeze({
+  Horizontal: 0,
+  Vertical: 90,
+  Angled: 75,
+});
+export type LabelRotation = $Values<typeof LabelRotation>;
+
+export const defaultCountLabel = i18n.translate('charts.countText', {
+  defaultMessage: 'Count',
 });
-export type Rotates = $Values<typeof Rotates>;

src/plugins/charts/public/static/components/color_picker.scss

@@ -0,0 +1,18 @@
+$visColorPickerWidth: $euiSizeL * 8; // 8 columns
+
+.visColorPicker__value {
+  width: $visColorPickerWidth;
+}
+
+.visColorPicker__valueDot {
+  cursor: pointer;
+
+  &:hover {
+    transform: scale(1.4);
+  }
+
+  &-isSelected {
+    border: $euiSizeXS solid;
+    border-radius: 100%;
+  }
+}

src/plugins/charts/public/static/components/color_picker.tsx

@@ -0,0 +1,138 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import classNames from 'classnames';
+import React, { BaseSyntheticEvent } from 'react';
+
+import { EuiButtonEmpty, EuiFlexItem, EuiIcon } from '@elastic/eui';
+import { FormattedMessage } from '@kbn/i18n/react';
+
+import './color_picker.scss';
+
+export const legendColors: string[] = [
+  '#3F6833',
+  '#967302',
+  '#2F575E',
+  '#99440A',
+  '#58140C',
+  '#052B51',
+  '#511749',
+  '#3F2B5B',
+  '#508642',
+  '#CCA300',
+  '#447EBC',
+  '#C15C17',
+  '#890F02',
+  '#0A437C',
+  '#6D1F62',
+  '#584477',
+  '#629E51',
+  '#E5AC0E',
+  '#64B0C8',
+  '#E0752D',
+  '#BF1B00',
+  '#0A50A1',
+  '#962D82',
+  '#614D93',
+  '#7EB26D',
+  '#EAB839',
+  '#6ED0E0',
+  '#EF843C',
+  '#E24D42',
+  '#1F78C1',
+  '#BA43A9',
+  '#705DA0',
+  '#9AC48A',
+  '#F2C96D',
+  '#65C5DB',
+  '#F9934E',
+  '#EA6460',
+  '#5195CE',
+  '#D683CE',
+  '#806EB7',
+  '#B7DBAB',
+  '#F4D598',
+  '#70DBED',
+  '#F9BA8F',
+  '#F29191',
+  '#82B5D8',
+  '#E5A8E2',
+  '#AEA2E0',
+  '#E0F9D7',
+  '#FCEACA',
+  '#CFFAFF',
+  '#F9E2D2',
+  '#FCE2DE',
+  '#BADFF4',
+  '#F9D9F9',
+  '#DEDAF7',
+];
+
+interface ColorPickerProps {
+  id?: string;
+  label: string | number | null;
+  onChange: (color: string | null, event: BaseSyntheticEvent) => void;
+  color: string;
+}
+
+export const ColorPicker = ({ onChange, color: selectedColor, id, label }: ColorPickerProps) => (
+  <div className="visColorPicker">
+    <span id={`${id}ColorPickerDesc`} className="euiScreenReaderOnly">
+      <FormattedMessage
+        id="charts.colorPicker.setColor.screenReaderDescription"
+        defaultMessage="Set color for value {legendDataLabel}"
+        values={{ legendDataLabel: label }}
+      />
+    </span>
+    <div className="visColorPicker__value" role="listbox">
+      {legendColors.map((color) => (
+        <EuiIcon
+          role="option"
+          tabIndex={0}
+          type="dot"
+          size="l"
+          color={selectedColor}
+          key={color}
+          aria-label={color}
+          aria-describedby={`${id}ColorPickerDesc`}
+          aria-selected={color === selectedColor}
+          onClick={(e) => onChange(color, e)}
+          onKeyPress={(e) => onChange(color, e)}
+          className={classNames('visColorPicker__valueDot', {
+            // eslint-disable-next-line @typescript-eslint/naming-convention
+            'visColorPicker__valueDot-isSelected': color === selectedColor,
+          })}
+          style={{ color }}
+          data-test-subj={`visColorPickerColor-${color}`}
+        />
+      ))}
+    </div>
+    {legendColors.some((c) => c === selectedColor) && (
+      <EuiFlexItem grow={false}>
+        <EuiButtonEmpty
+          size="s"
+          onClick={(e: any) => onChange(null, e)}
+          onKeyPress={(e: any) => onChange(null, e)}
+        >
+          <FormattedMessage id="charts.colorPicker.clearColor" defaultMessage="Clear color" />
+        </EuiButtonEmpty>
+      </EuiFlexItem>
+    )}
+  </div>
+);

src/plugins/charts/public/static/components/current_time.tsx

@@ -0,0 +1,64 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import moment, { Moment } from 'moment';
+import React, { FC } from 'react';
+
+import { LineAnnotation, AnnotationDomainTypes, LineAnnotationStyle } from '@elastic/charts';
+import lightEuiTheme from '@elastic/eui/dist/eui_theme_light.json';
+import darkEuiTheme from '@elastic/eui/dist/eui_theme_dark.json';
+
+interface CurrentTimeProps {
+  isDarkMode: boolean;
+  domainEnd?: number | Moment;
+}
+
+/**
+ * Render current time line annotation on @elastic/charts `Chart`
+ */
+export const CurrentTime: FC<CurrentTimeProps> = ({ isDarkMode, domainEnd }) => {
+  const lineAnnotationStyle: Partial<LineAnnotationStyle> = {
+    line: {
+      strokeWidth: 2,
+      stroke: isDarkMode ? darkEuiTheme.euiColorDanger : lightEuiTheme.euiColorDanger,
+      opacity: 0.7,
+    },
+  };
+
+  // Domain end of 'now' will be milliseconds behind current time, so we extend time by 1 minute and check if
+  // the annotation is within this range; if so, the line annotation uses the domainEnd as its value
+  const now = moment();
+  const isAnnotationAtEdge = domainEnd
+    ? moment(domainEnd).add(1, 'm').isAfter(now) && now.isAfter(domainEnd)
+    : false;
+  const lineAnnotationData = [
+    {
+      dataValue: isAnnotationAtEdge ? domainEnd : now.valueOf(),
+    },
+  ];
+
+  return (
+    <LineAnnotation
+      id="__current-time__"
+      hideTooltips
+      domainType={AnnotationDomainTypes.XDomain}
+      dataValues={lineAnnotationData}
+      style={lineAnnotationStyle}
+    />
+  );
+};