Implement editing of domain bounds

src/h5web/toolbar/Toolbar.module.css

@@ -29,12 +29,6 @@
   padding: 0 0.25rem;
 }
 
-.btn:disabled,
-.btn[aria-disabled='true'] {
-  opacity: 0.5;
-  pointer-events: none;
-}
-
 .btn[data-small] {
   padding: 0 0.125rem;
 }
@@ -88,6 +82,10 @@
   box-shadow: var(--btn-shadow-idle) var(--btn-shadow-color);
 }
 
+.btn:active > .btnLike {
+  box-shadow: var(--btn-shadow-pressed) var(--btn-shadow-color);
+}
+
 .btn[data-raised]:hover > .btnLike {
   box-shadow: var(--btn-shadow-raised) var(--btn-shadow-color),
     var(--btn-shadow-idle) var(--btn-shadow-color);

src/h5web/toolbar/controls/DomainSlider/BoundEditor.module.css

@@ -0,0 +1,78 @@
+.boundEditor {
+  display: flex;
+  align-items: center;
+  margin-bottom: 0.75rem;
+  font-weight: bold;
+}
+
+.label {
+  width: 2.5em;
+  margin: 0 1rem 0 0;
+  text-transform: uppercase;
+  font-size: inherit;
+  color: var(--near-black);
+}
+
+.value {
+  flex: 1 1 0%;
+  width: 0; /* ensures this input shrinks before filling the available space */
+  height: 1.875rem; /* maintain height regardless of font size */
+  margin-right: 0.375rem;
+  padding: 0.25rem 0.375rem;
+  background-color: rgba(255, 255, 255, 0.5);
+  border: 1px solid transparent;
+  border-radius: 0.125rem;
+  box-shadow: 0 0 2px var(--dark-slate-gray);
+  text-align: right;
+  color: var(--near-black);
+  font-weight: inherit;
+  line-height: inherit;
+  transition: background-color 0.05s ease-in-out, box-shadow 0.05s ease-in-out;
+  cursor: text;
+}
+
+.value:hover {
+  box-shadow: 1px 1px 2px 1px var(--dark-gray);
+}
+
+.value:focus {
+  box-shadow: 1px 1px 2px 1px var(--secondary-dark);
+  outline: none;
+}
+
+.boundEditor[data-error] .label,
+.boundEditor[data-error] .value {
+  color: var(--warn);
+}
+
+.boundEditor[data-editing='true'] .value {
+  background-color: var(--white);
+  border-color: var(--secondary-dark);
+  outline: none;
+  font-weight: 600;
+  font-size: 0.9375em;
+  line-height: calc(1.2 / 0.9375);
+}
+
+.boundEditor[data-editing='true'] .value:hover {
+  box-shadow: 1px 1px 2px 1px var(--secondary-dark);
+}
+
+.action {
+  composes: btn-clean from global;
+  display: flex;
+  align-items: center;
+  padding: 0.25rem;
+  font-size: 1.125em;
+  border-radius: 0.5rem;
+  transition: background-color 0.05s ease-in-out, box-shadow 0.05s ease-in-out;
+}
+
+.action:hover {
+  background-color: var(--secondary-light);
+  box-shadow: var(--btn-shadow-idle) var(--btn-shadow-color);
+}
+
+.action:active {
+  box-shadow: var(--btn-shadow-pressed) var(--btn-shadow-color);
+}

src/h5web/toolbar/controls/DomainSlider/BoundEditor.tsx

@@ -0,0 +1,85 @@
+import { ReactElement, useEffect, useRef, useState } from 'react';
+import { FiCheck, FiSlash } from 'react-icons/fi';
+import { formatValue } from '../../../utils';
+import styles from './BoundEditor.module.css';
+
+interface Props {
+  label: string;
+  value: number;
+  isEditing: boolean;
+  hasError: boolean;
+  onEditToggle: (force: boolean) => void;
+  onChange: (val: number) => void;
+}
+
+function BoundEditor(props: Props): ReactElement {
+  const { label, value, isEditing, hasError, onEditToggle, onChange } = props;
+
+  const id = `${label}-bound`;
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  const [inputValue, setInputValue] = useState(formatValue(value));
+
+  useEffect(() => {
+    setInputValue(isEditing ? value.toString() : formatValue(value));
+  }, [isEditing, value, setInputValue]);
+
+  useEffect(() => {
+    if (!isEditing) {
+      // Remove focus from min field when editing is turned off
+      inputRef.current?.blur();
+    }
+
+    if (isEditing && label === 'Min') {
+      // Give focus to min field when opening tooltip in edit mode
+      inputRef.current?.focus();
+    }
+  }, [isEditing, label]);
+
+  return (
+    <form
+      className={styles.boundEditor}
+      data-error={hasError || undefined}
+      data-editing={isEditing}
+      onSubmit={(evt) => {
+        evt.preventDefault();
+        onChange(Number.parseFloat(inputValue));
+        onEditToggle(false);
+      }}
+    >
+      <label id={`${id}-label`} className={styles.label} htmlFor={id}>
+        <abbr title={value.toString()}>{label}</abbr>
+      </label>
+
+      <input
+        id={id}
+        ref={inputRef}
+        className={styles.value}
+        type="text"
+        name="bound"
+        value={inputValue}
+        aria-labelledby={`${id}-label`} // https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/issues/718
+        onChange={(evt) => setInputValue(evt.target.value)}
+        onFocus={() => {
+          if (!isEditing) {
+            onEditToggle(true);
+          }
+        }}
+      />
+
+      <button className={styles.action} type="submit" disabled={!isEditing}>
+        <FiCheck>Apply</FiCheck>
+      </button>
+      <button
+        className={styles.action}
+        type="button"
+        disabled={!isEditing}
+        onClick={() => onEditToggle(false)}
+      >
+        <FiSlash>Cancel</FiSlash>
+      </button>
+    </form>
+  );
+}
+
+export default BoundEditor;

src/h5web/toolbar/controls/DomainSlider/BoundErrorMessage.tsx

@@ -1,7 +1,7 @@
 import type { ReactElement } from 'react';
 import { FiCornerDownRight } from 'react-icons/fi';
 import { Bound, BoundError } from '../../../vis-packs/core/models';
-import styles from './DomainSlider.module.css';
+import styles from './DomainTooltip.module.css';
 
 interface Props {
   bound: Bound;

src/h5web/toolbar/controls/DomainSlider/DomainSlider.module.css

@@ -11,7 +11,7 @@
 .slider {
   display: flex;
   width: 8rem;
-  margin-right: 0.25rem;
+  margin-right: -0.25rem;
   font-size: 0.75rem;
   cursor: pointer;
 }

src/h5web/toolbar/controls/DomainSlider/DomainSlider.tsx

@@ -1,31 +1,22 @@
-import { ReactElement, useEffect, useState } from 'react';
+import { ReactElement, useEffect, useRef, useState } from 'react';
 import styles from './DomainSlider.module.css';
 import type {
   CustomDomain,
   Domain,
   ScaleType,
 } from '../../../vis-packs/core/models';
 import ToggleBtn from '../ToggleBtn';
-import { FiZap } from 'react-icons/fi';
-import { useKey, useToggle } from 'react-use';
+import { MdTune } from 'react-icons/md';
+import { useClickAway, useKey, useToggle } from 'react-use';
 import DomainTooltip from './DomainTooltip';
 import ScaledSlider from './ScaledSlider';
-import { useVisDomain } from '../../../vis-packs/core/heatmap/hooks';
+import {
+  useSafeDomain,
+  useVisDomain,
+} from '../../../vis-packs/core/heatmap/hooks';
 
 const TOOLTIP_ID = 'domain-tooltip';
 
-function getAutoscaleLabel(isAutoMin: boolean, isAutoMax: boolean): string {
-  if (isAutoMin && !isAutoMax) {
-    return 'Min';
-  }
-
-  if (isAutoMax && !isAutoMin) {
-    return 'Max';
-  }
-
-  return 'Auto';
-}
-
 interface Props {
   dataDomain: Domain;
   customDomain: CustomDomain;
@@ -38,38 +29,55 @@ function DomainSlider(props: Props): ReactElement {
   const { dataDomain, customDomain, scaleType, disabled } = props;
   const { onCustomDomainChange } = props;
 
-  const [visDomain, errors] = useVisDomain(dataDomain, customDomain, scaleType);
-  const [sliderDomain, setSliderDomain] = useState(visDomain);
+  const visDomain = useVisDomain(customDomain, dataDomain);
+  const [safeDomain, errors] = useSafeDomain(visDomain, dataDomain, scaleType);
 
+  const [sliderDomain, setSliderDomain] = useState(visDomain);
   useEffect(() => {
     setSliderDomain(visDomain);
   }, [visDomain, setSliderDomain]);
 
   const isAutoMin = customDomain[0] === undefined;
   const isAutoMax = customDomain[1] === undefined;
-  const isAutoscaling = isAutoMin || isAutoMax;
 
-  const [tooltipOpen, toggleTooltip] = useToggle(false);
-  useKey('Escape', () => toggleTooltip(false));
+  const [hovered, toggleHovered] = useToggle(false);
+  const [isEditingMin, toggleEditingMin] = useToggle(false);
+  const [isEditingMax, toggleEditingMax] = useToggle(false);
+  const isEditing = isEditingMin || isEditingMax;
+
+  function toggleAll(force: boolean) {
+    toggleEditingMin(force);
+    toggleEditingMax(force);
+    toggleHovered(force);
+  }
+
+  const rootRef = useRef(null);
+  useClickAway(rootRef, () => toggleAll(false));
+  useKey('Escape', () => toggleAll(false));
 
   return (
     <div
+      ref={rootRef}
       className={styles.root}
-      aria-expanded={tooltipOpen}
+      aria-expanded={hovered}
       aria-describedby={TOOLTIP_ID}
-      onPointerEnter={() => toggleTooltip(true)}
-      onPointerLeave={() => toggleTooltip(false)}
+      onPointerEnter={() => toggleHovered(true)}
+      onPointerLeave={() => toggleHovered(false)}
     >
       <ScaledSlider
         value={sliderDomain}
+        safeVisDomain={safeDomain}
         dataDomain={dataDomain}
-        visDomain={visDomain}
         scaleType={scaleType}
         errors={errors}
         disabled={disabled}
         isAutoMin={isAutoMin}
         isAutoMax={isAutoMax}
-        onChange={setSliderDomain}
+        onChange={(newValue) => {
+          setSliderDomain(newValue);
+          toggleEditingMin(false);
+          toggleEditingMax(false);
+        }}
         onAfterChange={(hasMinChanged, hasMaxChanged) => {
           onCustomDomainChange([
             hasMinChanged ? sliderDomain[0] : customDomain[0],
@@ -79,34 +87,38 @@ function DomainSlider(props: Props): ReactElement {
       />
 
       <ToggleBtn
-        small
-        label={getAutoscaleLabel(isAutoMin, isAutoMax)}
-        icon={FiZap}
-        value={isAutoscaling}
+        iconOnly
+        label="Edit domain"
+        icon={MdTune}
+        value={isEditing}
         disabled={disabled}
-        onChange={() => {
-          onCustomDomainChange(
-            isAutoscaling ? dataDomain : [undefined, undefined]
-          );
-        }}
+        onChange={() => toggleAll(!isEditing)}
       />
 
       <DomainTooltip
         id={TOOLTIP_ID}
-        open={tooltipOpen}
-        domain={sliderDomain}
+        open={hovered || isEditing}
+        sliderDomain={sliderDomain}
         dataDomain={dataDomain}
         errors={errors}
         isAutoMin={isAutoMin}
         isAutoMax={isAutoMax}
         onAutoMinToggle={() => {
           const newMin = isAutoMin ? dataDomain[0] : undefined;
           onCustomDomainChange([newMin, customDomain[1]]);
+          toggleEditingMin(isAutoMin);
         }}
         onAutoMaxToggle={() => {
           const newMax = isAutoMax ? dataDomain[1] : undefined;
           onCustomDomainChange([customDomain[0], newMax]);
+          toggleEditingMax(isAutoMax);
         }}
+        isEditingMin={isEditingMin}
+        isEditingMax={isEditingMax}
+        onEditMin={toggleEditingMin}
+        onEditMax={toggleEditingMax}
+        onChangeMin={(val) => onCustomDomainChange([val, customDomain[1]])}
+        onChangeMax={(val) => onCustomDomainChange([customDomain[0], val])}
       />
     </div>
   );