UNPKG

@wordpress/components

Version:
249 lines (248 loc) 8.71 kB
// packages/components/src/combobox-control/index.tsx import clsx from "clsx"; import { __, _n, sprintf } from "@wordpress/i18n"; import { Component, useState, useMemo, useRef, useEffect } from "@wordpress/element"; import { useInstanceId } from "@wordpress/compose"; import { speak } from "@wordpress/a11y"; import { closeSmall } from "@wordpress/icons"; import { InputWrapperFlex } from "./styles"; import TokenInput from "../form-token-field/token-input"; import SuggestionsList from "../form-token-field/suggestions-list"; import BaseControl from "../base-control"; import Button from "../button"; import { FlexBlock } from "../flex"; import withFocusOutside from "../higher-order/with-focus-outside"; import { useControlledValue } from "../utils/hooks"; import { normalizeTextString } from "../utils/strings"; import { useDeprecated36pxDefaultSizeProp } from "../utils/use-deprecated-props"; import { withIgnoreIMEEvents } from "../utils/with-ignore-ime-events"; import { maybeWarnDeprecated36pxSize } from "../utils/deprecated-36px-size"; import Spinner from "../spinner"; import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime"; var noop = () => { }; var DetectOutside = withFocusOutside(class extends Component { handleFocusOutside(event) { this.props.onFocusOutside(event); } render() { return this.props.children; } }); var getIndexOfMatchingSuggestion = (selectedSuggestion, matchingSuggestions) => selectedSuggestion === null ? -1 : matchingSuggestions.indexOf(selectedSuggestion); function ComboboxControl(props) { var _currentOption$label; const { __nextHasNoMarginBottom = false, __next40pxDefaultSize = false, value: valueProp, label, options, onChange: onChangeProp, onFilterValueChange = noop, hideLabelFromVision, help, allowReset = true, className, isLoading = false, messages = { selected: __("Item selected.") }, __experimentalRenderItem, expandOnFocus = true, placeholder } = useDeprecated36pxDefaultSizeProp(props); const [value, setValue] = useControlledValue({ value: valueProp, onChange: onChangeProp }); const currentOption = options.find((option) => option.value === value); const currentLabel = (_currentOption$label = currentOption?.label) !== null && _currentOption$label !== void 0 ? _currentOption$label : ""; const instanceId = useInstanceId(ComboboxControl, "combobox-control"); const [selectedSuggestion, setSelectedSuggestion] = useState(currentOption || null); const [isExpanded, setIsExpanded] = useState(false); const [inputHasFocus, setInputHasFocus] = useState(false); const [inputValue, setInputValue] = useState(""); const inputContainer = useRef(null); const matchingSuggestions = useMemo(() => { const startsWithMatch = []; const containsMatch = []; const match = normalizeTextString(inputValue); options.forEach((option) => { const index = normalizeTextString(option.label).indexOf(match); if (index === 0) { startsWithMatch.push(option); } else if (index > 0) { containsMatch.push(option); } }); return startsWithMatch.concat(containsMatch); }, [inputValue, options]); const onSuggestionSelected = (newSelectedSuggestion) => { if (newSelectedSuggestion.disabled) { return; } setValue(newSelectedSuggestion.value); speak(messages.selected, "assertive"); setSelectedSuggestion(newSelectedSuggestion); setInputValue(""); setIsExpanded(false); }; const handleArrowNavigation = (offset = 1) => { const index = getIndexOfMatchingSuggestion(selectedSuggestion, matchingSuggestions); let nextIndex = index + offset; if (nextIndex < 0) { nextIndex = matchingSuggestions.length - 1; } else if (nextIndex >= matchingSuggestions.length) { nextIndex = 0; } setSelectedSuggestion(matchingSuggestions[nextIndex]); setIsExpanded(true); }; const onKeyDown = withIgnoreIMEEvents((event) => { let preventDefault = false; if (event.defaultPrevented) { return; } switch (event.code) { case "Enter": if (selectedSuggestion) { onSuggestionSelected(selectedSuggestion); preventDefault = true; } break; case "ArrowUp": handleArrowNavigation(-1); preventDefault = true; break; case "ArrowDown": handleArrowNavigation(1); preventDefault = true; break; case "Escape": setIsExpanded(false); setSelectedSuggestion(null); preventDefault = true; break; default: break; } if (preventDefault) { event.preventDefault(); } }); const onBlur = () => { setInputHasFocus(false); }; const onFocus = () => { setInputHasFocus(true); if (expandOnFocus) { setIsExpanded(true); } onFilterValueChange(""); setInputValue(""); }; const onClick = () => { setIsExpanded(true); }; const onFocusOutside = () => { setIsExpanded(false); }; const onInputChange = (event) => { const text = event.value; setInputValue(text); onFilterValueChange(text); if (inputHasFocus) { setIsExpanded(true); } }; const handleOnReset = () => { setValue(null); inputContainer.current?.focus(); }; const handleResetStopPropagation = (event) => { event.stopPropagation(); }; useEffect(() => { const hasMatchingSuggestions = matchingSuggestions.length > 0; const hasSelectedMatchingSuggestions = getIndexOfMatchingSuggestion(selectedSuggestion, matchingSuggestions) > 0; if (hasMatchingSuggestions && !hasSelectedMatchingSuggestions) { setSelectedSuggestion(matchingSuggestions[0]); } }, [matchingSuggestions, selectedSuggestion]); useEffect(() => { const hasMatchingSuggestions = matchingSuggestions.length > 0; if (isExpanded) { const message = hasMatchingSuggestions ? sprintf( /* translators: %d: number of results. */ _n("%d result found, use up and down arrow keys to navigate.", "%d results found, use up and down arrow keys to navigate.", matchingSuggestions.length), matchingSuggestions.length ) : __("No results."); speak(message, "polite"); } }, [matchingSuggestions, isExpanded]); maybeWarnDeprecated36pxSize({ componentName: "ComboboxControl", __next40pxDefaultSize, size: void 0 }); return /* @__PURE__ */ _jsx(DetectOutside, { onFocusOutside, children: /* @__PURE__ */ _jsx(BaseControl, { __nextHasNoMarginBottom, __associatedWPComponentName: "ComboboxControl", className: clsx(className, "components-combobox-control"), label, id: `components-form-token-input-${instanceId}`, hideLabelFromVision, help, children: /* @__PURE__ */ _jsxs("div", { className: "components-combobox-control__suggestions-container", tabIndex: -1, onKeyDown, children: [/* @__PURE__ */ _jsxs(InputWrapperFlex, { __next40pxDefaultSize, children: [/* @__PURE__ */ _jsx(FlexBlock, { children: /* @__PURE__ */ _jsx(TokenInput, { className: "components-combobox-control__input", instanceId, ref: inputContainer, placeholder, value: isExpanded ? inputValue : currentLabel, onFocus, onBlur, onClick, isExpanded, selectedSuggestionIndex: getIndexOfMatchingSuggestion(selectedSuggestion, matchingSuggestions), onChange: onInputChange }) }), isLoading && /* @__PURE__ */ _jsx(Spinner, {}), allowReset && Boolean(value) && !isExpanded && /* @__PURE__ */ _jsx(Button, { size: "small", icon: closeSmall, onClick: handleOnReset, onKeyDown: handleResetStopPropagation, label: __("Reset") })] }), isExpanded && !isLoading && /* @__PURE__ */ _jsx(SuggestionsList, { instanceId, match: { label: inputValue, value: "" }, displayTransform: (suggestion) => suggestion.label, suggestions: matchingSuggestions, selectedIndex: getIndexOfMatchingSuggestion(selectedSuggestion, matchingSuggestions), onHover: setSelectedSuggestion, onSelect: onSuggestionSelected, scrollIntoView: true, __experimentalRenderItem })] }) }) }); } var combobox_control_default = ComboboxControl; export { combobox_control_default as default }; //# sourceMappingURL=index.js.map