|
| 1 | +import React from 'react'; |
| 2 | +import PropTypes from 'prop-types'; |
| 3 | +import { filter, isEmpty } from 'lodash'; |
| 4 | +import { Menu } from 'semantic-ui-react'; |
| 5 | +import { useIntl, FormattedMessage } from 'react-intl'; |
| 6 | +import { Icon } from '@plone/volto/components'; |
| 7 | + |
| 8 | +const emptySlateBlock = () => ({ |
| 9 | + value: [ |
| 10 | + { |
| 11 | + children: [ |
| 12 | + { |
| 13 | + text: '', |
| 14 | + }, |
| 15 | + ], |
| 16 | + type: 'p', |
| 17 | + }, |
| 18 | + ], |
| 19 | + plaintext: '', |
| 20 | +}); |
| 21 | + |
| 22 | +const useIsMounted = () => { |
| 23 | + const ref = React.useRef(); |
| 24 | + React.useEffect(() => { |
| 25 | + ref.current = true; |
| 26 | + return () => (ref.current = false); |
| 27 | + }, []); |
| 28 | + return ref.current; |
| 29 | +}; |
| 30 | + |
| 31 | +const SlashMenu = ({ |
| 32 | + currentBlock, |
| 33 | + onMutateBlock, |
| 34 | + selected, |
| 35 | + availableBlocks, |
| 36 | +}) => { |
| 37 | + const intl = useIntl(); |
| 38 | + |
| 39 | + return ( |
| 40 | + <div className="power-user-menu"> |
| 41 | + <Menu vertical fluid borderless> |
| 42 | + {availableBlocks.map((block, index) => ( |
| 43 | + <Menu.Item |
| 44 | + key={block.id} |
| 45 | + className={block.id} |
| 46 | + active={index === selected} |
| 47 | + onClick={(e) => { |
| 48 | + // onInsertBlock(currentBlock, { '@type': block.id }); |
| 49 | + onMutateBlock(currentBlock, { '@type': block.id }); |
| 50 | + e.stopPropagation(); |
| 51 | + }} |
| 52 | + > |
| 53 | + <Icon name={block.icon} size="24px" /> |
| 54 | + {intl.formatMessage({ |
| 55 | + id: block.title, |
| 56 | + defaultMessage: block.title, |
| 57 | + })} |
| 58 | + </Menu.Item> |
| 59 | + ))} |
| 60 | + {availableBlocks.length === 0 && ( |
| 61 | + <Menu.Item> |
| 62 | + <FormattedMessage |
| 63 | + id="No matching blocks" |
| 64 | + defaultMessage="No matching blocks" |
| 65 | + /> |
| 66 | + </Menu.Item> |
| 67 | + )} |
| 68 | + </Menu> |
| 69 | + </div> |
| 70 | + ); |
| 71 | +}; |
| 72 | + |
| 73 | +SlashMenu.propTypes = { |
| 74 | + currentBlock: PropTypes.string.isRequired, |
| 75 | + onInsertBlock: PropTypes.func, |
| 76 | + selected: PropTypes.number, |
| 77 | + blocksConfig: PropTypes.arrayOf(PropTypes.any), |
| 78 | +}; |
| 79 | + |
| 80 | +/** |
| 81 | + * A SlashMenu wrapper implemented as a volto-slate PersistentHelper. |
| 82 | + */ |
| 83 | +const PersistentSlashMenu = ({ editor }) => { |
| 84 | + const props = editor.getBlockProps(); |
| 85 | + const { |
| 86 | + block, |
| 87 | + blocksConfig, |
| 88 | + data, |
| 89 | + onMutateBlock, |
| 90 | + properties, |
| 91 | + selected, |
| 92 | + allowedBlocks, |
| 93 | + detached, |
| 94 | + } = props; |
| 95 | + const disableNewBlocks = data?.disableNewBlocks || detached; |
| 96 | + |
| 97 | + const [slashMenuSelected, setSlashMenuSelected] = React.useState(0); |
| 98 | + |
| 99 | + const useAllowedBlocks = !isEmpty(allowedBlocks); |
| 100 | + const slashCommand = data.plaintext?.trim().match(/^\/([a-z]*)$/); |
| 101 | + |
| 102 | + const availableBlocks = React.useMemo( |
| 103 | + () => |
| 104 | + filter(blocksConfig, (item) => |
| 105 | + useAllowedBlocks |
| 106 | + ? allowedBlocks.includes(item.id) |
| 107 | + : typeof item.restricted === 'function' |
| 108 | + ? !item.restricted({ properties, block: item }) |
| 109 | + : !item.restricted, |
| 110 | + ) |
| 111 | + .filter( |
| 112 | + // TODO: make it work with intl? |
| 113 | + (block) => slashCommand && block.id.indexOf(slashCommand[1]) === 0, |
| 114 | + ) |
| 115 | + .sort((a, b) => (a.title < b.title ? -1 : 1)), |
| 116 | + [allowedBlocks, blocksConfig, properties, slashCommand, useAllowedBlocks], |
| 117 | + ); |
| 118 | + |
| 119 | + const slashMenuSize = availableBlocks.length; |
| 120 | + const show = selected && slashCommand && !disableNewBlocks; |
| 121 | + |
| 122 | + const isMounted = useIsMounted(); |
| 123 | + |
| 124 | + React.useEffect(() => { |
| 125 | + if (isMounted && show && slashMenuSelected > slashMenuSize - 1) { |
| 126 | + setSlashMenuSelected(slashMenuSize - 1); |
| 127 | + } |
| 128 | + }, [show, slashMenuSelected, isMounted, slashMenuSize]); |
| 129 | + |
| 130 | + editor.showSlashMenu = show; |
| 131 | + |
| 132 | + editor.slashEnter = () => |
| 133 | + slashMenuSize > 0 && |
| 134 | + onMutateBlock( |
| 135 | + block, |
| 136 | + { |
| 137 | + '@type': availableBlocks[slashMenuSelected].id, |
| 138 | + }, |
| 139 | + emptySlateBlock(), |
| 140 | + ); |
| 141 | + |
| 142 | + editor.slashArrowUp = () => |
| 143 | + setSlashMenuSelected( |
| 144 | + slashMenuSelected === 0 ? slashMenuSize - 1 : slashMenuSelected - 1, |
| 145 | + ); |
| 146 | + |
| 147 | + editor.slashArrowDown = () => |
| 148 | + setSlashMenuSelected( |
| 149 | + slashMenuSelected >= slashMenuSize - 1 ? 0 : slashMenuSelected + 1, |
| 150 | + ); |
| 151 | + |
| 152 | + return show ? ( |
| 153 | + <SlashMenu |
| 154 | + currentBlock={block} |
| 155 | + onMutateBlock={onMutateBlock} |
| 156 | + availableBlocks={availableBlocks} |
| 157 | + selected={slashMenuSelected} |
| 158 | + /> |
| 159 | + ) : ( |
| 160 | + '' |
| 161 | + ); |
| 162 | +}; |
| 163 | + |
| 164 | +export default PersistentSlashMenu; |
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