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84 lines
3.1 KiB
Plaintext
84 lines
3.1 KiB
Plaintext
/*
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* Copyright 2020 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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import {CollectionBuilderContext} from './useTableState';
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import {ColumnProps} from '@react-types/table';
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import {GridNode} from '@react-types/grid';
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import {PartialNode} from '@react-stately/collections';
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import React, {JSX, ReactElement} from 'react';
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function Column<T>(props: ColumnProps<T>): ReactElement | null { // eslint-disable-line @typescript-eslint/no-unused-vars
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return null;
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}
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Column.getCollectionNode = function* getCollectionNode<T>(props: ColumnProps<T>, context: CollectionBuilderContext<T>): Generator<PartialNode<T>, void, GridNode<T>[]> {
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let {title, children, childColumns} = props;
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let rendered = title || children;
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let textValue = props.textValue || (typeof rendered === 'string' ? rendered : '') || props['aria-label'];
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let fullNodes = yield {
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type: 'column',
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hasChildNodes: !!childColumns || (!!title && React.Children.count(children) > 0),
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rendered,
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textValue,
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props,
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*childNodes() {
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if (childColumns) {
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for (let child of childColumns) {
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yield {
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type: 'column',
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value: child
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};
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}
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} else if (title) {
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let childColumns: PartialNode<T>[] = [];
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React.Children.forEach(children, child => {
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childColumns.push({
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type: 'column',
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element: child as ReactElement<ColumnProps<T>>
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});
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});
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yield* childColumns;
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}
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},
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shouldInvalidate(newContext: CollectionBuilderContext<T>) {
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// This is a bit of a hack, but it works.
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// If this method is called, then there's a cached version of this node available.
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// But, we need to keep the list of columns in the new context up to date.
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updateContext(newContext);
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return false;
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}
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};
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let updateContext = (context: CollectionBuilderContext<T>) => {
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// register leaf columns on the context so that <Row> can access them
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for (let node of fullNodes) {
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if (!node.hasChildNodes) {
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context.columns.push(node);
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}
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}
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};
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updateContext(context);
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};
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/**
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* A Column represents a field of each item within a Table. Columns may also contain nested
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* Column elements to represent column groups. Nested columns can be statically defined as
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* children, or dynamically generated using a function based on the `childColumns` prop.
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*/
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// We don't want getCollectionNode to show up in the type definition
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let _Column = Column as <T>(props: ColumnProps<T>) => JSX.Element;
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export {_Column as Column};
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