283 lines
10 KiB
JavaScript
283 lines
10 KiB
JavaScript
import _objectDestructuringEmpty from "@babel/runtime/helpers/esm/objectDestructuringEmpty";
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import _extends from "@babel/runtime/helpers/esm/extends";
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import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
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import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
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var _excluded = ["prefixCls", "data", "selectable", "checkable", "expandedKeys", "selectedKeys", "checkedKeys", "loadedKeys", "loadingKeys", "halfCheckedKeys", "keyEntities", "disabled", "dragging", "dragOverNodeKey", "dropPosition", "motion", "height", "itemHeight", "virtual", "focusable", "activeItem", "focused", "tabIndex", "onKeyDown", "onFocus", "onBlur", "onActiveChange", "onListChangeStart", "onListChangeEnd"];
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/**
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* Handle virtual list of the TreeNodes.
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*/
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import useLayoutEffect from "rc-util/es/hooks/useLayoutEffect";
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import VirtualList from 'rc-virtual-list';
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import * as React from 'react';
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import MotionTreeNode from './MotionTreeNode';
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import { findExpandedKeys, getExpandRange } from './utils/diffUtil';
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import { getKey, getTreeNodeProps } from './utils/treeUtil';
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var HIDDEN_STYLE = {
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width: 0,
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height: 0,
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display: 'flex',
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overflow: 'hidden',
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opacity: 0,
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border: 0,
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padding: 0,
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margin: 0
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};
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var noop = function noop() {};
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export var MOTION_KEY = "RC_TREE_MOTION_".concat(Math.random());
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var MotionNode = {
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key: MOTION_KEY
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};
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export var MotionEntity = {
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key: MOTION_KEY,
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level: 0,
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index: 0,
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pos: '0',
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node: MotionNode,
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nodes: [MotionNode]
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};
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var MotionFlattenData = {
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parent: null,
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children: [],
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pos: MotionEntity.pos,
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data: MotionNode,
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title: null,
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key: MOTION_KEY,
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/** Hold empty list here since we do not use it */
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isStart: [],
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isEnd: []
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};
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/**
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* We only need get visible content items to play the animation.
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*/
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export function getMinimumRangeTransitionRange(list, virtual, height, itemHeight) {
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if (virtual === false || !height) {
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return list;
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}
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return list.slice(0, Math.ceil(height / itemHeight) + 1);
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}
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function itemKey(item) {
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var key = item.key,
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pos = item.pos;
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return getKey(key, pos);
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}
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function getAccessibilityPath(item) {
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var path = String(item.data.key);
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var current = item;
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while (current.parent) {
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current = current.parent;
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path = "".concat(current.data.key, " > ").concat(path);
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}
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return path;
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}
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var NodeList = /*#__PURE__*/React.forwardRef(function (props, ref) {
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var prefixCls = props.prefixCls,
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data = props.data,
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selectable = props.selectable,
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checkable = props.checkable,
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expandedKeys = props.expandedKeys,
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selectedKeys = props.selectedKeys,
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checkedKeys = props.checkedKeys,
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loadedKeys = props.loadedKeys,
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loadingKeys = props.loadingKeys,
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halfCheckedKeys = props.halfCheckedKeys,
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keyEntities = props.keyEntities,
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disabled = props.disabled,
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dragging = props.dragging,
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dragOverNodeKey = props.dragOverNodeKey,
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dropPosition = props.dropPosition,
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motion = props.motion,
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height = props.height,
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itemHeight = props.itemHeight,
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virtual = props.virtual,
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focusable = props.focusable,
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activeItem = props.activeItem,
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focused = props.focused,
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tabIndex = props.tabIndex,
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onKeyDown = props.onKeyDown,
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onFocus = props.onFocus,
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onBlur = props.onBlur,
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onActiveChange = props.onActiveChange,
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onListChangeStart = props.onListChangeStart,
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onListChangeEnd = props.onListChangeEnd,
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domProps = _objectWithoutProperties(props, _excluded);
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// =============================== Ref ================================
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var listRef = React.useRef(null);
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var indentMeasurerRef = React.useRef(null);
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React.useImperativeHandle(ref, function () {
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return {
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scrollTo: function scrollTo(scroll) {
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listRef.current.scrollTo(scroll);
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},
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getIndentWidth: function getIndentWidth() {
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return indentMeasurerRef.current.offsetWidth;
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}
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};
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});
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// ============================== Motion ==============================
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var _React$useState = React.useState(expandedKeys),
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_React$useState2 = _slicedToArray(_React$useState, 2),
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prevExpandedKeys = _React$useState2[0],
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setPrevExpandedKeys = _React$useState2[1];
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var _React$useState3 = React.useState(data),
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_React$useState4 = _slicedToArray(_React$useState3, 2),
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prevData = _React$useState4[0],
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setPrevData = _React$useState4[1];
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var _React$useState5 = React.useState(data),
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_React$useState6 = _slicedToArray(_React$useState5, 2),
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transitionData = _React$useState6[0],
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setTransitionData = _React$useState6[1];
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var _React$useState7 = React.useState([]),
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_React$useState8 = _slicedToArray(_React$useState7, 2),
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transitionRange = _React$useState8[0],
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setTransitionRange = _React$useState8[1];
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var _React$useState9 = React.useState(null),
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_React$useState10 = _slicedToArray(_React$useState9, 2),
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motionType = _React$useState10[0],
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setMotionType = _React$useState10[1];
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// When motion end but data change, this will makes data back to previous one
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var dataRef = React.useRef(data);
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dataRef.current = data;
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function onMotionEnd() {
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var latestData = dataRef.current;
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setPrevData(latestData);
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setTransitionData(latestData);
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setTransitionRange([]);
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setMotionType(null);
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onListChangeEnd();
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}
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// Do animation if expanded keys changed
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// layoutEffect here to avoid blink of node removing
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useLayoutEffect(function () {
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setPrevExpandedKeys(expandedKeys);
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var diffExpanded = findExpandedKeys(prevExpandedKeys, expandedKeys);
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if (diffExpanded.key !== null) {
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if (diffExpanded.add) {
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var keyIndex = prevData.findIndex(function (_ref) {
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var key = _ref.key;
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return key === diffExpanded.key;
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});
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var rangeNodes = getMinimumRangeTransitionRange(getExpandRange(prevData, data, diffExpanded.key), virtual, height, itemHeight);
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var newTransitionData = prevData.slice();
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newTransitionData.splice(keyIndex + 1, 0, MotionFlattenData);
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setTransitionData(newTransitionData);
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setTransitionRange(rangeNodes);
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setMotionType('show');
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} else {
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var _keyIndex = data.findIndex(function (_ref2) {
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var key = _ref2.key;
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return key === diffExpanded.key;
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});
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var _rangeNodes = getMinimumRangeTransitionRange(getExpandRange(data, prevData, diffExpanded.key), virtual, height, itemHeight);
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var _newTransitionData = data.slice();
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_newTransitionData.splice(_keyIndex + 1, 0, MotionFlattenData);
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setTransitionData(_newTransitionData);
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setTransitionRange(_rangeNodes);
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setMotionType('hide');
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}
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} else if (prevData !== data) {
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// If whole data changed, we just refresh the list
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setPrevData(data);
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setTransitionData(data);
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}
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}, [expandedKeys, data]);
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// We should clean up motion if is changed by dragging
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React.useEffect(function () {
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if (!dragging) {
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onMotionEnd();
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}
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}, [dragging]);
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var mergedData = motion ? transitionData : data;
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var treeNodeRequiredProps = {
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expandedKeys: expandedKeys,
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selectedKeys: selectedKeys,
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loadedKeys: loadedKeys,
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loadingKeys: loadingKeys,
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checkedKeys: checkedKeys,
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halfCheckedKeys: halfCheckedKeys,
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dragOverNodeKey: dragOverNodeKey,
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dropPosition: dropPosition,
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keyEntities: keyEntities
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};
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return /*#__PURE__*/React.createElement(React.Fragment, null, focused && activeItem && /*#__PURE__*/React.createElement("span", {
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style: HIDDEN_STYLE,
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"aria-live": "assertive"
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}, getAccessibilityPath(activeItem)), /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement("input", {
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style: HIDDEN_STYLE,
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disabled: focusable === false || disabled,
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tabIndex: focusable !== false ? tabIndex : null,
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onKeyDown: onKeyDown,
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onFocus: onFocus,
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onBlur: onBlur,
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value: "",
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onChange: noop,
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"aria-label": "for screen reader"
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})), /*#__PURE__*/React.createElement("div", {
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className: "".concat(prefixCls, "-treenode"),
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"aria-hidden": true,
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style: {
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position: 'absolute',
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pointerEvents: 'none',
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visibility: 'hidden',
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height: 0,
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overflow: 'hidden',
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border: 0,
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padding: 0
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}
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}, /*#__PURE__*/React.createElement("div", {
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className: "".concat(prefixCls, "-indent")
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}, /*#__PURE__*/React.createElement("div", {
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ref: indentMeasurerRef,
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className: "".concat(prefixCls, "-indent-unit")
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}))), /*#__PURE__*/React.createElement(VirtualList, _extends({}, domProps, {
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data: mergedData,
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itemKey: itemKey,
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height: height,
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fullHeight: false,
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virtual: virtual,
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itemHeight: itemHeight,
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prefixCls: "".concat(prefixCls, "-list"),
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ref: listRef,
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onVisibleChange: function onVisibleChange(originList, fullList) {
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var originSet = new Set(originList);
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var restList = fullList.filter(function (item) {
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return !originSet.has(item);
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});
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// Motion node is not render. Skip motion
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if (restList.some(function (item) {
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return itemKey(item) === MOTION_KEY;
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})) {
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onMotionEnd();
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}
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}
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}), function (treeNode) {
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var pos = treeNode.pos,
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restProps = _extends({}, (_objectDestructuringEmpty(treeNode.data), treeNode.data)),
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title = treeNode.title,
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key = treeNode.key,
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isStart = treeNode.isStart,
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isEnd = treeNode.isEnd;
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var mergedKey = getKey(key, pos);
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delete restProps.key;
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delete restProps.children;
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var treeNodeProps = getTreeNodeProps(mergedKey, treeNodeRequiredProps);
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return /*#__PURE__*/React.createElement(MotionTreeNode, _extends({}, restProps, treeNodeProps, {
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title: title,
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active: !!activeItem && key === activeItem.key,
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pos: pos,
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data: treeNode.data,
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isStart: isStart,
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isEnd: isEnd,
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motion: motion,
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motionNodes: key === MOTION_KEY ? transitionRange : null,
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motionType: motionType,
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onMotionStart: onListChangeStart,
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onMotionEnd: onMotionEnd,
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treeNodeRequiredProps: treeNodeRequiredProps,
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onMouseMove: function onMouseMove() {
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onActiveChange(null);
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}
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}));
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}));
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});
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NodeList.displayName = 'NodeList';
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export default NodeList; |