71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
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import * as React from 'react';
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import useEventCallback from '@mui/utils/useEventCallback';
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import { populateInstance } from '../../useTreeView/useTreeView.utils';
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import { publishTreeViewEvent } from '../../utils/publishTreeViewEvent';
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export var useTreeViewNodes = function useTreeViewNodes(_ref) {
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var instance = _ref.instance,
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params = _ref.params;
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var nodeMap = React.useRef({});
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var getNode = React.useCallback(function (nodeId) {
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return nodeMap.current[nodeId];
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}, []);
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var insertNode = React.useCallback(function (node) {
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nodeMap.current[node.id] = node;
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}, []);
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var removeNode = React.useCallback(function (nodeId) {
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var newMap = _extends({}, nodeMap.current);
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delete newMap[nodeId];
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nodeMap.current = newMap;
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publishTreeViewEvent(instance, 'removeNode', {
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id: nodeId
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});
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}, [instance]);
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var isNodeDisabled = React.useCallback(function (nodeId) {
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if (nodeId == null) {
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return false;
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}
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var node = instance.getNode(nodeId);
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// This can be called before the node has been added to the node map.
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if (!node) {
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return false;
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}
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if (node.disabled) {
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return true;
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}
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while (node.parentId != null) {
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node = instance.getNode(node.parentId);
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if (node.disabled) {
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return true;
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}
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}
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return false;
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}, [instance]);
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var getChildrenIds = useEventCallback(function (nodeId) {
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return Object.values(nodeMap.current).filter(function (node) {
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return node.parentId === nodeId;
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}).sort(function (a, b) {
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return a.index - b.index;
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}).map(function (child) {
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return child.id;
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});
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});
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var getNavigableChildrenIds = function getNavigableChildrenIds(nodeId) {
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var childrenIds = instance.getChildrenIds(nodeId);
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if (!params.disabledItemsFocusable) {
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childrenIds = childrenIds.filter(function (node) {
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return !instance.isNodeDisabled(node);
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});
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}
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return childrenIds;
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};
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populateInstance(instance, {
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getNode: getNode,
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updateNode: insertNode,
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removeNode: removeNode,
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getChildrenIds: getChildrenIds,
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getNavigableChildrenIds: getNavigableChildrenIds,
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isNodeDisabled: isNodeDisabled
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});
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}; |