63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
|
|
import * as React from 'react';
|
|
import useEventCallback from '@mui/utils/useEventCallback';
|
|
import { populateInstance } from '../../useTreeView/useTreeView.utils';
|
|
export const useTreeViewExpansion = ({
|
|
instance,
|
|
params,
|
|
models
|
|
}) => {
|
|
const isNodeExpanded = React.useCallback(nodeId => {
|
|
return Array.isArray(models.expanded.value) ? models.expanded.value.indexOf(nodeId) !== -1 : false;
|
|
}, [models.expanded.value]);
|
|
const isNodeExpandable = React.useCallback(nodeId => {
|
|
var _instance$getNode;
|
|
return !!((_instance$getNode = instance.getNode(nodeId)) != null && _instance$getNode.expandable);
|
|
}, [instance]);
|
|
const toggleNodeExpansion = useEventCallback((event, nodeId) => {
|
|
if (nodeId == null) {
|
|
return;
|
|
}
|
|
let newExpanded;
|
|
if (models.expanded.value.indexOf(nodeId) !== -1) {
|
|
newExpanded = models.expanded.value.filter(id => id !== nodeId);
|
|
} else {
|
|
newExpanded = [nodeId].concat(models.expanded.value);
|
|
}
|
|
if (params.onNodeToggle) {
|
|
params.onNodeToggle(event, newExpanded);
|
|
}
|
|
models.expanded.setValue(newExpanded);
|
|
});
|
|
const expandAllSiblings = (event, nodeId) => {
|
|
const node = instance.getNode(nodeId);
|
|
const siblings = instance.getChildrenIds(node.parentId);
|
|
const diff = siblings.filter(child => instance.isNodeExpandable(child) && !instance.isNodeExpanded(child));
|
|
const newExpanded = models.expanded.value.concat(diff);
|
|
if (diff.length > 0) {
|
|
models.expanded.setValue(newExpanded);
|
|
if (params.onNodeToggle) {
|
|
params.onNodeToggle(event, newExpanded);
|
|
}
|
|
}
|
|
};
|
|
populateInstance(instance, {
|
|
isNodeExpanded,
|
|
isNodeExpandable,
|
|
toggleNodeExpansion,
|
|
expandAllSiblings
|
|
});
|
|
};
|
|
useTreeViewExpansion.models = {
|
|
expanded: {
|
|
controlledProp: 'expanded',
|
|
defaultProp: 'defaultExpanded'
|
|
}
|
|
};
|
|
const DEFAULT_EXPANDED = [];
|
|
useTreeViewExpansion.getDefaultizedParams = params => {
|
|
var _params$defaultExpand;
|
|
return _extends({}, params, {
|
|
defaultExpanded: (_params$defaultExpand = params.defaultExpanded) != null ? _params$defaultExpand : DEFAULT_EXPANDED
|
|
});
|
|
}; |