[Maps] add text halo color and width style properties

x-pack/legacy/plugins/maps/public/layers/styles/vector/components/get_vector_style_label.js

@@ -42,6 +42,14 @@ export function getVectorStyleLabel(styleName) {
       return i18n.translate('xpack.maps.styles.vector.labelSizeLabel', {
         defaultMessage: 'Label size',
       });
+    case VECTOR_STYLES.LABEL_BORDER_COLOR:
+      return i18n.translate('xpack.maps.styles.vector.labelBorderColorLabel', {
+        defaultMessage: 'Label border color',
+      });
+    case VECTOR_STYLES.LABEL_BORDER_SIZE:
+      return i18n.translate('xpack.maps.styles.vector.labelBorderWidthLabel', {
+        defaultMessage: 'Label border width',
+      });
     default:
       return styleName;
   }

x-pack/legacy/plugins/maps/public/layers/styles/vector/components/label/vector_style_label_border_size_editor.js

@@ -0,0 +1,65 @@
+/*
+ * 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 React from 'react';
+
+import { EuiFormRow, EuiSelect } from '@elastic/eui';
+import { LABEL_BORDER_SIZES, VECTOR_STYLES } from '../../vector_style_defaults';
+import { getVectorStyleLabel } from '../get_vector_style_label';
+import { i18n } from '@kbn/i18n';
+
+const options = [
+  {
+    value: LABEL_BORDER_SIZES.NONE,
+    text: i18n.translate('xpack.maps.styles.labelBorderSize.noneLabel', {
+      defaultMessage: 'None',
+    }),
+  },
+  {
+    value: LABEL_BORDER_SIZES.SMALL,
+    text: i18n.translate('xpack.maps.styles.labelBorderSize.smallLabel', {
+      defaultMessage: 'Small',
+    }),
+  },
+  {
+    value: LABEL_BORDER_SIZES.MEDIUM,
+    text: i18n.translate('xpack.maps.styles.labelBorderSize.mediumLabel', {
+      defaultMessage: 'Medium',
+    }),
+  },
+  {
+    value: LABEL_BORDER_SIZES.LARGE,
+    text: i18n.translate('xpack.maps.styles.labelBorderSize.largeLabel', {
+      defaultMessage: 'Large',
+    }),
+  },
+];
+
+export function VectorStyleLabelBorderSizeEditor({ handlePropertyChange, styleProperty }) {
+  function onChange(e) {
+    const styleDescriptor = {
+      options: { size: e.target.value },
+    };
+    handlePropertyChange(styleProperty.getStyleName(), styleDescriptor);
+  }
+
+  return (
+    <EuiFormRow
+      label={getVectorStyleLabel(VECTOR_STYLES.LABEL_BORDER_SIZE)}
+      display="columnCompressed"
+    >
+      <EuiSelect
+        options={options}
+        value={styleProperty.getOptions().size}
+        onChange={onChange}
+        aria-label={i18n.translate('xpack.maps.styles.labelBorderSizeSelect.ariaLabel', {
+          defaultMessage: 'Select label border size',
+        })}
+        compressed
+      />
+    </EuiFormRow>
+  );
+}

x-pack/legacy/plugins/maps/public/layers/styles/vector/components/vector_style_editor.js

@@ -12,6 +12,7 @@ import { VectorStyleColorEditor } from './color/vector_style_color_editor';
 import { VectorStyleSizeEditor } from './size/vector_style_size_editor';
 import { VectorStyleSymbolEditor } from './vector_style_symbol_editor';
 import { VectorStyleLabelEditor } from './label/vector_style_label_editor';
+import { VectorStyleLabelBorderSizeEditor } from './label/vector_style_label_border_size_editor';
 import { VectorStyle } from '../vector_style';
 import { OrientationEditor } from './orientation/orientation_editor';
 import {
@@ -264,6 +265,27 @@ export class VectorStyleEditor extends Component {
           }
         />
         <EuiSpacer size="m" />
+
+        <VectorStyleColorEditor
+          swatches={DEFAULT_LINE_COLORS}
+          onStaticStyleChange={this._onStaticStyleChange}
+          onDynamicStyleChange={this._onDynamicStyleChange}
+          styleProperty={this.props.styleProperties[VECTOR_STYLES.LABEL_BORDER_COLOR]}
+          fields={this._getOrdinalFields()}
+          defaultStaticStyleOptions={
+            this.state.defaultStaticProperties[VECTOR_STYLES.LABEL_BORDER_COLOR].options
+          }
+          defaultDynamicStyleOptions={
+            this.state.defaultDynamicProperties[VECTOR_STYLES.LABEL_BORDER_COLOR].options
+          }
+        />
+        <EuiSpacer size="m" />
+
+        <VectorStyleLabelBorderSizeEditor
+          handlePropertyChange={this.props.handlePropertyChange}
+          styleProperty={this.props.styleProperties[VECTOR_STYLES.LABEL_BORDER_SIZE]}
+        />
+        <EuiSpacer size="m" />
       </Fragment>
     );
   }

x-pack/legacy/plugins/maps/public/layers/styles/vector/properties/dynamic_color_property.js

@@ -55,6 +55,11 @@ export class DynamicColorProperty extends DynamicStyleProperty {
     mbMap.setPaintProperty(mbLayerId, 'text-opacity', alpha);
   }
 
+  syncLabelBorderColorWithMb(mbLayerId, mbMap) {
+    const color = this._getMbColor();
+    mbMap.setPaintProperty(mbLayerId, 'text-halo-color', color);
+  }
+
   isCustomColorRamp() {
     return this._options.useCustomColorRamp;
   }

x-pack/legacy/plugins/maps/public/layers/styles/vector/properties/dynamic_size_property.js

@@ -5,7 +5,7 @@
  */
 
 import { DynamicStyleProperty } from './dynamic_style_property';
-import { getComputedFieldName } from '../style_util';
+
 import {
   HALF_LARGE_MAKI_ICON_SIZE,
   LARGE_MAKI_ICON_SIZE,
@@ -63,7 +63,7 @@ export class DynamicSizeProperty extends DynamicStyleProperty {
   }
 
   syncHaloWidthWithMb(mbLayerId, mbMap) {
-    const haloWidth = this._getMbSize();
+    const haloWidth = this.getMbSizeExpression();
     mbMap.setPaintProperty(mbLayerId, 'icon-halo-width', haloWidth);
   }
 
@@ -76,7 +76,7 @@ export class DynamicSizeProperty extends DynamicStyleProperty {
       mbMap.setLayoutProperty(symbolLayerId, 'icon-image', `${symbolId}-${iconPixels}`);
 
       const halfIconPixels = iconPixels / 2;
-      const targetName = getComputedFieldName(VECTOR_STYLES.ICON_SIZE, this._options.field.name);
+      const targetName = this.getComputedFieldName();
       // Using property state instead of feature-state because layout properties do not support feature-state
       mbMap.setLayoutProperty(symbolLayerId, 'icon-size', [
         'interpolate',
@@ -94,29 +94,29 @@ export class DynamicSizeProperty extends DynamicStyleProperty {
   }
 
   syncCircleStrokeWidthWithMb(mbLayerId, mbMap) {
-    const lineWidth = this._getMbSize();
+    const lineWidth = this.getMbSizeExpression();
     mbMap.setPaintProperty(mbLayerId, 'circle-stroke-width', lineWidth);
   }
 
   syncCircleRadiusWithMb(mbLayerId, mbMap) {
-    const circleRadius = this._getMbSize();
+    const circleRadius = this.getMbSizeExpression();
     mbMap.setPaintProperty(mbLayerId, 'circle-radius', circleRadius);
   }
 
   syncLineWidthWithMb(mbLayerId, mbMap) {
-    const lineWidth = this._getMbSize();
+    const lineWidth = this.getMbSizeExpression();
     mbMap.setPaintProperty(mbLayerId, 'line-width', lineWidth);
   }
 
   syncLabelSizeWithMb(mbLayerId, mbMap) {
-    const lineWidth = this._getMbSize();
+    const lineWidth = this.getMbSizeExpression();
     mbMap.setLayoutProperty(mbLayerId, 'text-size', lineWidth);
   }
 
-  _getMbSize() {
+  getMbSizeExpression() {
     if (this._isSizeDynamicConfigComplete(this._options)) {
       return this._getMbDataDrivenSize({
-        targetName: getComputedFieldName(this._styleName, this._options.field.name),
+        targetName: this.getComputedFieldName(),
         minSize: this._options.minSize,
         maxSize: this._options.maxSize,
       });

x-pack/legacy/plugins/maps/public/layers/styles/vector/properties/dynamic_style_property.js

@@ -8,7 +8,7 @@ import _ from 'lodash';
 import { AbstractStyleProperty } from './style_property';
 import { DEFAULT_SIGMA } from '../vector_style_defaults';
 import { STYLE_TYPE } from '../../../../../common/constants';
-import { scaleValue } from '../style_util';
+import { scaleValue, getComputedFieldName } from '../style_util';
 import React from 'react';
 import { OrdinalLegend } from './components/ordinal_legend';
 import { CategoricalLegend } from './components/categorical_legend';
@@ -31,6 +31,13 @@ export class DynamicStyleProperty extends AbstractStyleProperty {
     return this._field;
   }
 
+  getComputedFieldName() {
+    if (!this.isComplete()) {
+      return null;
+    }
+    return getComputedFieldName(this._styleName, this.getField().getName());
+  }
+
   isDynamic() {
     return true;
   }

x-pack/legacy/plugins/maps/public/layers/styles/vector/properties/label_border_size_property.js

@@ -0,0 +1,50 @@
+/*
+ * 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 _ from 'lodash';
+import { AbstractStyleProperty } from './style_property';
+import { DEFAULT_LABEL_SIZE, LABEL_BORDER_SIZES } from '../vector_style_defaults';
+
+const SMALL_SIZE = 1 / 16;
+const MEDIUM_SIZE = 1 / 8;
+const LARGE_SIZE = 1 / 5; // halo of 1/4 is just a square. Use smaller ratio to preserve contour on letters
+
+function getWidthRatio(size) {
+  switch (size) {
+    case LABEL_BORDER_SIZES.LARGE:
+      return LARGE_SIZE;
+    case LABEL_BORDER_SIZES.MEDIUM:
+      return MEDIUM_SIZE;
+    default:
+      return SMALL_SIZE;
+  }
+}
+
+export class LabelBorderSizeProperty extends AbstractStyleProperty {
+  constructor(options, styleName, labelSizeProperty) {
+    super(options, styleName);
+    this._labelSizeProperty = labelSizeProperty;
+  }
+
+  syncLabelBorderSizeWithMb(mbLayerId, mbMap) {
+    const widthRatio = getWidthRatio(this.getOptions().size);
+
+    if (this.getOptions().size === LABEL_BORDER_SIZES.NONE) {
+      mbMap.setPaintProperty(mbLayerId, 'text-halo-width', 0);
+    } else if (this._labelSizeProperty.isDynamic() && this._labelSizeProperty.isComplete()) {
+      const labelSizeExpression = this._labelSizeProperty.getMbSizeExpression();
+      mbMap.setPaintProperty(mbLayerId, 'text-halo-width', [
+        'max',
+        ['*', labelSizeExpression, widthRatio],
+        1,
+      ]);
+    } else {
+      const labelSize = _.get(this._labelSizeProperty.getOptions(), 'size', DEFAULT_LABEL_SIZE);
+      const labelBorderSize = Math.max(labelSize * widthRatio, 1);
+      mbMap.setPaintProperty(mbLayerId, 'text-halo-width', labelBorderSize);
+    }
+  }
+}

x-pack/legacy/plugins/maps/public/layers/styles/vector/properties/static_color_property.js

@@ -39,4 +39,8 @@ export class StaticColorProperty extends StaticStyleProperty {
     mbMap.setPaintProperty(mbLayerId, 'text-color', this._options.color);
     mbMap.setPaintProperty(mbLayerId, 'text-opacity', alpha);
   }
+
+  syncLabelBorderColorWithMb(mbLayerId, mbMap) {
+    mbMap.setPaintProperty(mbLayerId, 'text-halo-color', this._options.color);
+  }
 }

x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style.js

@@ -38,6 +38,7 @@ import { StaticOrientationProperty } from './properties/static_orientation_prope
 import { DynamicOrientationProperty } from './properties/dynamic_orientation_property';
 import { StaticTextProperty } from './properties/static_text_property';
 import { DynamicTextProperty } from './properties/dynamic_text_property';
+import { LabelBorderSizeProperty } from './properties/label_border_size_property';
 import { extractColorFromStyleProperty } from './components/legend/extract_color_from_style_property';
 
 const POINTS = [GEO_JSON_TYPE.POINT, GEO_JSON_TYPE.MULTI_POINT];
@@ -100,6 +101,15 @@ export class VectorStyle extends AbstractStyle {
       this._descriptor.properties[VECTOR_STYLES.LABEL_COLOR],
       VECTOR_STYLES.LABEL_COLOR
     );
+    this._labelBorderColorStyleProperty = this._makeColorProperty(
+      this._descriptor.properties[VECTOR_STYLES.LABEL_BORDER_COLOR],
+      VECTOR_STYLES.LABEL_BORDER_COLOR
+    );
+    this._labelBorderSizeStyleProperty = new LabelBorderSizeProperty(
+      this._descriptor.properties[VECTOR_STYLES.LABEL_BORDER_SIZE].options,
+      VECTOR_STYLES.LABEL_BORDER_SIZE,
+      this._labelSizeStyleProperty
+    );
   }
 
   _getAllStyleProperties() {
@@ -112,6 +122,8 @@ export class VectorStyle extends AbstractStyle {
       this._labelStyleProperty,
       this._labelSizeStyleProperty,
       this._labelColorStyleProperty,
+      this._labelBorderColorStyleProperty,
+      this._labelBorderSizeStyleProperty,
     ];
   }
 
@@ -538,6 +550,8 @@ export class VectorStyle extends AbstractStyle {
     this._labelStyleProperty.syncTextFieldWithMb(textLayerId, mbMap);
     this._labelColorStyleProperty.syncLabelColorWithMb(textLayerId, mbMap, alpha);
     this._labelSizeStyleProperty.syncLabelSizeWithMb(textLayerId, mbMap);
+    this._labelBorderSizeStyleProperty.syncLabelBorderSizeWithMb(textLayerId, mbMap);
+    this._labelBorderColorStyleProperty.syncLabelBorderColorWithMb(textLayerId, mbMap);
   }
 
   setMBSymbolPropertiesForPoints({ mbMap, symbolLayerId, alpha }) {

x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style.test.js

@@ -102,6 +102,18 @@ describe('getDescriptorWithMissingStylePropsRemoved', () => {
         },
         type: 'STATIC',
       },
+      labelBorderColor: {
+        options: {
+          color: '#FFFFFF',
+        },
+        type: 'STATIC',
+      },
+      labelBorderWidth: {
+        options: {
+          size: 2,
+        },
+        type: 'STATIC',
+      },
       labelColor: {
         options: {
           color: '#000000',