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fix: loadData using key navigation #602

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fix: loadData using key navigation #602

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3 changes: 3 additions & 0 deletions docs/examples/dynamic.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,9 @@ import Tree from 'rc-tree';
function generateTreeNodes(treeNode) {
const arr = [];
const key = treeNode.props.eventKey;
if (key === '0-1-0') {
return [];
}
for (let i = 0; i < 3; i += 1) {
arr.push({ title: `leaf ${key}-${i}`, key: `${key}-${i}` });
}
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7 changes: 5 additions & 2 deletions src/Tree.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -1217,7 +1217,7 @@ class Tree<TreeDataType extends DataNode | BasicDataNode = DataNode> extends Rea

onKeyDown: React.KeyboardEventHandler<HTMLDivElement> = event => {
const { activeKey, expandedKeys, checkedKeys, fieldNames } = this.state;
const { onKeyDown, checkable, selectable } = this.props;
const { onKeyDown, checkable, selectable, loadData } = this.props;

// >>>>>>>>>> Direction
switch (event.which) {
Expand All @@ -1239,7 +1239,10 @@ class Tree<TreeDataType extends DataNode | BasicDataNode = DataNode> extends Rea
const treeNodeRequiredProps = this.getTreeNodeRequiredProps();

const expandable =
activeItem.data.isLeaf === false || !!(activeItem.data[fieldNames.children] || []).length;
activeItem.data.isLeaf !== true &&
((!!loadData && !activeItem.data[fieldNames.children]) || // load data on expand
!!(activeItem.data[fieldNames.children] || []).length);

const eventNode = convertNodePropsToEventData<TreeDataType>({
...getTreeNodeProps(activeKey, treeNodeRequiredProps),
data: activeItem.data,
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