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update tree draggable demo

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zombiej 2018-10-25 11:19:17 +08:00
parent bd0ba8ce92
commit bc35582643
1 changed files with 23 additions and 8 deletions
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31
components/tree/demo/draggable.md
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@ -66,7 +66,7 @@ class Demo extends React.Component {
const dragKey = info.dragNode.props.eventKey;
const dropPos = info.node.props.pos.split('-');
const dropPosition = info.dropPosition - Number(dropPos[dropPos.length - 1]);
// const dragNodesKeys = info.dragNodesKeys;
const loop = (data, key, callback) => {
data.forEach((item, index, arr) => {
if (item.key === key) {
@ -78,12 +78,32 @@ class Demo extends React.Component {
});
};
const data = [...this.state.gData];
// Find dragObject
let dragObj;
loop(data, dragKey, (item, index, arr) => {
arr.splice(index, 1);
dragObj = item;
});
if (info.dropToGap) {
if (!info.dropToGap) {
// Drop on the content
loop(data, dropKey, (item) => {
item.children = item.children || [];
// where to insert 示例添加到尾部，可以是随意位置
item.children.push(dragObj);
});
} else if (
(info.node.props.children || []).length > 0 // Has children
&& info.node.props.expanded // Is expanded
&& dropPosition === 1 // On the bottom gap
) {
loop(data, dropKey, (item) => {
item.children = item.children || [];
// where to insert 示例添加到尾部，可以是随意位置
item.children.unshift(dragObj);
});
} else {
let ar;
let i;
loop(data, dropKey, (item, index, arr) => {
@ -95,13 +115,8 @@ class Demo extends React.Component {
} else {
ar.splice(i + 1, 0, dragObj);
}
} else {
loop(data, dropKey, (item) => {
item.children = item.children || [];
// where to insert 示例添加到尾部，可以是随意位置
item.children.push(dragObj);
});
}
this.setState({
gData: data,
});