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import React from 'react';
import * as R from 'ramda';
import { getNodePath } from '../utils';
//--------------------------------------------------------------------------------------------Select
export const getCurrentIds = (getValue, value, items) =>
R.reduce((acc, item) => {
if (R.equals(getValue(item), value)) {
return [...acc, R.prop('id')(item)];
}
return acc;
}, [])(items);
export const getSelection = ({ items, option, removedValue }) => {
const value = R.isNil(option) ? removedValue : option;
switch (R.prop('type')(value)) {
case 'level':
return getCurrentIds(R.prop('level'), R.prop('level')(value), items);
case 'allCurrent':
return getCurrentIds(R.prop('parentId'), R.prop('parentId')(value), items);
default:
return [];
}
};
export const getOptionsSelect = (items, currentItem, translation = []) => {
const levelIds = R.pipe(R.indexBy(R.prop('level')), R.keys, R.length)(items);
return [
{
label: R.head(translation),
value: 'allCurrent',
type: 'allCurrent',
parentId: R.prop('id')(currentItem),
},
...R.times(id => ({ label: `${id}`, value: `level${id}`, level: id, type: 'level' }))(levelIds),
];
};
//-----------------------------------------------------------------------------------------Spotlight
const getSpotlightedList = ({ spotlight, term = '', items, itemsById, noPath, hasPath }) =>
spotlight.engine({
...spotlight,
term,
items,
itemsById,
noPath,
hasPath,
});
export const getPlaceholder = ({
placeholder = '',
mainPlaceholder,
secondaryPlaceholder,
currentItem,
}) => {
if (R.and(R.isNil(mainPlaceholder), R.isNil(secondaryPlaceholder))) return placeholder;
if (R.isNil(currentItem)) return mainPlaceholder;
return secondaryPlaceholder;
};
//----------------------------------------------------------------------------------------------List
export const withHasChild = itemsByParentId => item =>
R.assoc('hasChild', R.pipe(R.prop(item.id), R.isNil, R.not)(itemsByParentId))(item);
export const getCurrentList = ({ currentItemId, itemsByParentId, items }) =>
R.reduce((acc, item) => {
if (R.equals(currentItemId, item.parentId)) {
return [...acc, withHasChild(itemsByParentId)(item)];
}
return acc;
}, [])(items);
export const getMainList = R.filter(R.pipe(R.prop('parentId'), R.isNil));
export const getList = ({
items,
itemsByParentId,
itemsById,
spotlight,
currentItem,
term,
hasPath,
}) => {
const currentItemId = currentItem ? R.prop('id')(currentItem) : null;
if (R.isEmpty(term)) {
if (R.isNil(currentItemId))
return R.pipe(getMainList, R.map(item => withHasChild(itemsByParentId)(item)))(items);
return getCurrentList({ currentItemId, itemsByParentId, items });
}
if (R.isNil(currentItemId))
return getSpotlightedList({ spotlight, term, items, itemsById, hasPath });
return getSpotlightedList({
spotlight,
term,
items: getCurrentList({ currentItemId, itemsByParentId, items }),
noPath: true,
hasPath,
});
};
//----------------------------------------------------------------------------------------------Node
export const getEnhancedNode = (currentItem, items, itemsById, hasPath) => {
if (R.isNil(currentItem)) return currentItem;
const id = R.prop('id')(currentItem);
const item = R.find(R.propEq('id', id))(items);
return {
...currentItem,
isSelected: R.prop('isSelected')(item),
nodePath: hasPath
? R.join(' > ', R.propOr([], 'path')(item))
: getNodePath(currentItem, itemsById),
};
};
//-----------------------------------------------------------------------------------------------Hoc
export const withScopeList = Component =>
class extends React.Component {
state = {
term: R.propOr('', 'term')(this.props),
};
static getDerivedStateFromProps = (props, state) => ({
...state,
itemsByParentId: R.indexBy(R.prop('parentId'), props.items), // only use for hasChild, same keys are overide
itemsById: R.indexBy(R.prop('id'), props.items),
});
changeList = id => this.setState({ currentItem: R.prop(id)(this.state.itemsById), term: '' });
changeSelection = panelId => id => event => {
event.preventDefault();
Eif (R.is(Function, this.props.changeSelection))
return this.props.changeSelection(panelId, id);
return null;
};
changeSelect = panelId => (selected, { action, option, removedValue }) => {
const valueIds = getSelection({ items: this.props.items, option, removedValue });
switch (action) {
case 'select-option':
return this.props.onSelect(panelId, valueIds);
case 'remove-value':
return this.props.onUnselect(panelId, valueIds);
case 'clear':
return this.props.onUnselect(panelId, []);
default:
return null;
}
};
changeSpotlight = spotlight => this.setState({ term: R.propOr('', 'term')(spotlight) });
render = () => {
// "items", "itemsByParentId", "itemsById" are the same collection,
// but only "items" is updated by the selection (on hold the selection): { isSelected: true/false }
const {
items,
spotlight,
mainPlaceholder,
secondaryPlaceholder,
activePanelId,
id,
translationOptions,
hasPath,
} = this.props;
const { currentItem, term, itemsByParentId, itemsById } = this.state;
const isActivePanel = R.equals(activePanelId, id);
return (
<Component
{...this.props}
items={items}
tagValue={`${R.length(R.keys(R.filter(item => item.isSelected)(items)))}/${R.length(
R.keys(items),
)}`}
list={
isActivePanel
? getList({
items,
itemsByParentId,
itemsById,
spotlight,
currentItem,
term,
hasPath,
})
: []
}
changeList={this.changeList}
changeSelection={this.changeSelection}
currentItem={
isActivePanel ? getEnhancedNode(currentItem, items, itemsById, hasPath) : null
}
changeSpotlight={this.changeSpotlight}
term={term}
placeholder={getPlaceholder({
...spotlight,
mainPlaceholder,
secondaryPlaceholder,
currentItem,
})}
changeSelect={this.changeSelect}
options={getOptionsSelect(items, currentItem, translationOptions)}
/>
);
};
};
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