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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| import { isFunction, wrap } from 'lodash'; | ||
| import React, { useRef, useState } from 'react'; | ||
| import PropTypes from 'prop-types'; | ||
| import cx from 'classnames'; | ||
| import { sortableContainer, sortableElement, sortableHandle } from 'react-sortable-hoc'; | ||
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| import './style.less'; | ||
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| export const DragHandle = sortableHandle(({ className, ...restProps }) => ( | ||
| <div className={cx('drag-handle', className)} {...restProps} /> | ||
| )); | ||
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| export const SortableContainerWrapper = sortableContainer(({ children }) => children); | ||
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| export const SortableElement = sortableElement(({ children }) => children); | ||
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| export function SortableContainer({ disabled, containerProps, children, ...wrapperProps }) { | ||
| const containerRef = useRef(); | ||
| const [isDragging, setIsDragging] = useState(false); | ||
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| wrapperProps = { ...wrapperProps }; | ||
| containerProps = { ...containerProps }; | ||
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| if (disabled) { | ||
| // Disabled state: | ||
| // - forbid drag'n'drop (and therefore no need to hook events | ||
| // - don't override anything on container element | ||
| wrapperProps.shouldCancelStart = () => true; | ||
| } else { | ||
| // Enabled state: | ||
|
|
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| // - use container element as a default helper element | ||
| wrapperProps.helperContainer = wrap(wrapperProps.helperContainer, helperContainer => ( | ||
| isFunction(helperContainer) ? | ||
| helperContainer(containerRef.current) : | ||
| containerRef.current | ||
| )); | ||
|
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| // - hook drag start/end events | ||
| wrapperProps.updateBeforeSortStart = wrap(wrapperProps.updateBeforeSortStart, (updateBeforeSortStart, ...args) => { | ||
| setIsDragging(true); | ||
| if (isFunction(updateBeforeSortStart)) { | ||
| updateBeforeSortStart(...args); | ||
| } | ||
| }); | ||
| wrapperProps.onSortEnd = wrap(wrapperProps.onSortEnd, (onSortEnd, ...args) => { | ||
| setIsDragging(false); | ||
| if (isFunction(onSortEnd)) { | ||
| onSortEnd(...args); | ||
| } | ||
| }); | ||
|
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| // - update container element: add classes and take a ref | ||
| containerProps.className = cx( | ||
| 'sortable-container', | ||
| { 'sortable-container-dragging': isDragging }, | ||
| containerProps.className, | ||
| ); | ||
| containerProps.ref = containerRef; | ||
| } | ||
|
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| // order of props matters - we override some of them | ||
| return ( | ||
| <SortableContainerWrapper {...wrapperProps}> | ||
| <div {...containerProps}>{children}</div> | ||
| </SortableContainerWrapper> | ||
| ); | ||
| } | ||
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| SortableContainer.propTypes = { | ||
| disabled: PropTypes.bool, | ||
| containerProps: PropTypes.object, // eslint-disable-line react/forbid-prop-types | ||
| children: PropTypes.node, | ||
| }; | ||
|
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| SortableContainer.defaultProps = { | ||
| disabled: false, | ||
| containerProps: {}, | ||
| children: null, | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| .drag-handle { | ||
| vertical-align: bottom; | ||
| cursor: move; | ||
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| display: inline-flex; | ||
| align-items: stretch; | ||
| justify-content: center; | ||
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| &:before { | ||
| content: ''; | ||
| display: block; | ||
| width: 6px; | ||
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| background: | ||
| linear-gradient(90deg, transparent 0px, white 1px, white 2px) center, | ||
| linear-gradient(transparent 0px, white 1px, white 2px) center, | ||
| #111111; | ||
| background-size: 2px 2px; | ||
| } | ||
| } | ||
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| .sortable-container { | ||
| transition: background-color 200ms ease-out; | ||
| transition-delay: 300ms; // short pause before returning to original bgcolor | ||
|
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| &.sortable-container-dragging { | ||
| transition-delay: 0s; | ||
| background-color: #f6f8f9; | ||
| } | ||
| } |
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