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import { DndContext, PointerSensor, useSensor, useSensors } from "@dnd-kit/core"; |
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import { restrictToVerticalAxis } from "@dnd-kit/modifiers"; |
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import { arrayMove, SortableContext, verticalListSortingStrategy, useSortable } from "@dnd-kit/sortable"; |
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import { memo, useEffect, useMemo, useRef, useState } from "@wordpress/element"; |
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import { CSS } from "@dnd-kit/utilities"; |
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import "./dnd-select.scss"; |
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|
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const SortableItem = memo((props) => { |
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const { attributes, listeners, setNodeRef, transform, transition } = useSortable({ id: props.id }); |
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|
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const style = { |
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transform: CSS.Transform.toString(transform), |
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transition: transition, |
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}; |
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const { item, onChange } = props; |
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|
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// Delete Icon |
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const DeleteIcon = () => { |
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return ( |
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<svg xmlns="http://www.w3.org/2000/svg" width={8} height={8} fill="none"> |
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<path |
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fill="#2F2F2F" |
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d="M4 4.778 6.722 7.5l.778-.778L4.778 4 7.5 1.278 6.722.5 4 3.222 1.278.5.5 1.278 3.222 4 .5 6.722l.778.778L4 4.778Z" |
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/> |
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</svg> |
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); |
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}; |
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|
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return ( |
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<> |
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<div ref={setNodeRef} style={style} {...attributes} {...listeners}> |
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<div className="sp-selected-option"> |
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{/* Display the label of the item */} |
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<span className="sp-select-label">{item?.label}</span> |
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|
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{/* Delete button */} |
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<span |
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className="sp-select-remove-button" |
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role="button" |
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aria-label={`Remove ${item?.label}`} |
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onClick={() => onChange(item.id)} |
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> |
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<DeleteIcon /> |
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</span> |
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</div> |
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</div> |
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</> |
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); |
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}); |
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|
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const MultiSelectDndKit = ({ label = "", items, values, onChange, onInputChange = false, searchable = false }) => { |
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const [allOptions, setAllOptions] = useState([]); |
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const [toggleSelectField, setToggleSelectField] = useState(false); |
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const [optionOpen, setOptionOpen] = useState(true); |
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const [searchFieldData, setSearchFieldData] = useState(""); |
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const dndRef = useRef(null); |
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const containerRef = useRef(null); |
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const allValues = useMemo(() => { |
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if (!Array.isArray(values) || values.some(item => !item.value) ) {return []}; // prevents the crash |
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return values.map(item => item.value); |
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} |
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, [values]); |
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|
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const sensors = useSensors( |
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useSensor(PointerSensor, { |
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activationConstraint: { distance: 5 }, |
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}) |
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); |
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|
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// icons |
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const ArrowIconOne = () => ( |
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<svg xmlns="http://www.w3.org/2000/svg" width={24} height={24} aria-hidden="true" className=""> |
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<path d="M17.5 11.6 12 16l-5.5-4.4.9-1.2L12 14l4.5-3.6 1 1.2z" /> |
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</svg> |
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); |
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const ArrowIconTwo = () => ( |
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<svg xmlns="http://www.w3.org/2000/svg" width={24} height={24} aria-hidden="true"> |
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<path d="M6.5 12.4 12 8l5.5 4.4-.9 1.2L12 10l-4.5 3.6-1-1.2z" /> |
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</svg> |
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); |
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|
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const containerHeight = values?.length * 34 + 2 + "px"; |
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|
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const handleDragEnd = (event) => { |
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setToggleSelectField(false); |
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const { active, over } = event; |
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if (active.id !== over.id) { |
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const oldIndex = values.findIndex((i) => `${i.id}` === `${active.id}`); |
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const newIndex = values.findIndex((i) => `${i.id}` === `${over.id}`); |
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const updateValues = arrayMove(values, oldIndex, newIndex); |
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onChange(updateValues); |
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setOptionOpen(true); |
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} |
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}; |
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|
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const onDragStart = () => { |
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setOptionOpen(false); |
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setToggleSelectField(false); |
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}; |
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|
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const handleRemoveItems = (id) => { |
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const updatedValues = values?.filter((val) => val.id !== id); |
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onChange(updatedValues); |
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}; |
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|
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const toggleSelectFieldVal = () => { |
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if (optionOpen) { |
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setToggleSelectField((prev) => !prev); |
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} |
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}; |
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|
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const filterNotSelectedItems = (selectFieldItems) => { |
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const result = selectFieldItems?.filter((item) => !allValues.includes(item.value)); |
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return result; |
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}; |
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|
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const handleSelectField = (data) => { |
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// const { id, value, label, slug, order } = data; |
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// const newValue = [ ...values, { id, value, label, slug, order } ]; |
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const newValue = [...values, { ...data }]; |
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setSearchFieldData(""); |
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onChange(newValue); |
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}; |
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|
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const handleSearchField = (event) => { |
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const value = event.target.value.toLowerCase(); |
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setSearchFieldData(value); |
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const searchableArray = filterNotSelectedItems(items); |
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const matchedOption = searchableArray?.filter((i) => i.label.toLowerCase().includes(value)); |
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onInputChange ? onInputChange(value) : setAllOptions(matchedOption); |
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}; |
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|
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useEffect(() => { |
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let options = []; |
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if (toggleSelectField) { |
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options = filterNotSelectedItems(items); |
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} else { |
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options = [items]; |
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} |
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setAllOptions(options); |
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}, [items, values, toggleSelectField]); |
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|
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useEffect(() => { |
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const handleClickOutside = (event) => { |
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if (containerRef.current && !containerRef.current.contains(event.target)) { |
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setToggleSelectField(false); |
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} |
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}; |
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|
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if (toggleSelectField) { |
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document.addEventListener("click", handleClickOutside); |
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} |
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|
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return () => { |
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document.removeEventListener("click", handleClickOutside); |
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}; |
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}, [toggleSelectField]); |
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|
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return ( |
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<div className="shaped-plugin-multiple-select sp-smart-post-component-mb" ref={dndRef}> |
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<div className="sp-multiple-select-dnd-label"> |
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<p> {label}</p> |
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</div> |
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<div className="sp-multiple-select-dnd-container" ref={containerRef}> |
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<div onClick={toggleSelectFieldVal} className="sp-select-header"> |
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<div className="sp-selected-options" style={{ height: containerHeight }}> |
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<DndContext |
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sensors={sensors} |
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onDragEnd={handleDragEnd} |
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onDragStart={onDragStart} |
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modifiers={[restrictToVerticalAxis]} |
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> |
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<SortableContext |
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items={values?.map((item) => `${item.id}`)} |
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strategy={verticalListSortingStrategy} |
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> |
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{values?.map((item, index) => ( |
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<SortableItem |
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key={item.id} |
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id={`${item.id}`} |
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index={index} |
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item={item} |
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onChange={handleRemoveItems} |
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/> |
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))} |
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</SortableContext> |
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</DndContext> |
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</div> |
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<span className="custom-select-arrow"> |
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{toggleSelectField ? <ArrowIconTwo /> : <ArrowIconOne />} |
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</span> |
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</div> |
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{toggleSelectField && ( |
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<div className="sp-select-options"> |
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{searchable && ( |
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<input |
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placeholder="Search here for more..." |
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value={searchFieldData} |
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onChange={(e) => handleSearchField(e)} |
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className="sp-select-search-field" |
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/> |
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)} |
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{allOptions?.length > 0 && |
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allOptions?.map((option, i) => { |
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return ( |
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<div key={i} className={option?.disabled ? "disabled" : ""}> |
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{option?.label && option?.value && ( |
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<p |
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onClick={() => handleSelectField(option)} |
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className={`sp-select-option ${ |
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values === option.value ? "selected" : "" |
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}`} |
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> |
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{option.label} |
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</p> |
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)} |
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</div> |
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); |
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})} |
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</div> |
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)} |
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</div> |
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</div> |
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); |
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}; |
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|
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export default memo(MultiSelectDndKit); |
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|