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docs: delete useless logic (#46833)

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Shunze Chen 2024-01-05 22:59:06 +08:00 committed by GitHub
parent a72ea642b2
commit 54e75516c0
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1 changed files with 3 additions and 13 deletions
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16
components/tree/demo/draggable.tsx
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@ -45,7 +45,7 @@ const App: React.FC = () => {
const dropKey = info.node.key;
const dragKey = info.dragNode.key;
const dropPos = info.node.pos.split('-');
const dropPosition = info.dropPosition - Number(dropPos[dropPos.length - 1]);
const dropPosition = info.dropPosition - Number(dropPos[dropPos.length - 1]); // the drop position relative to the drop node, inside 0, top -1, bottom 1
const loop = (
data: DataNode[],
@ -77,18 +77,6 @@ const App: React.FC = () => {
// where to insert. New item was inserted to the start of the array in this example, but can be anywhere
item.children.unshift(dragObj);
});
} else if (
((info.node as any).props.children || []).length > 0 && // Has children
(info.node as any).props.expanded && // Is expanded
dropPosition === 1 // On the bottom gap
) {
loop(data, dropKey, (item) => {
item.children = item.children || [];
// where to insert. New item was inserted to the start of the array in this example, but can be anywhere
item.children.unshift(dragObj);
// in previous version, we use item.children.push(dragObj) to insert the
// item to the tail of the children
});
} else {
let ar: DataNode[] = [];
let i: number;
@ -97,8 +85,10 @@ const App: React.FC = () => {
i = index;
});
if (dropPosition === -1) {
// Drop on the top of the drop node
ar.splice(i!, 0, dragObj!);
} else {
// Drop on the bottom of the drop node
ar.splice(i! + 1, 0, dragObj!);
}
}