72 lines
1.6 KiB
Vue
72 lines
1.6 KiB
Vue
<script>
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/* eslint no-console:0 */
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import Tree, { TreeNode } from '../index';
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import '../assets/index.less';
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import cssAnimation from '../../_util/css-animation';
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function animate(node, show, done) {
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let height = node.offsetHeight;
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return cssAnimation(node, 'collapse', {
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start() {
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if (!show) {
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node.style.height = `${node.offsetHeight}px`;
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} else {
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height = node.offsetHeight;
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node.style.height = 0;
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}
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},
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active() {
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node.style.height = `${show ? height : 0}px`;
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},
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end() {
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node.style.height = '';
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done();
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},
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});
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}
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const animation = {
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enter(node, done) {
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return animate(node, true, done);
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},
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leave(node, done) {
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return animate(node, false, done);
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},
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};
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export default {
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render() {
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return (
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<div>
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<h2>expanded</h2>
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<Tree
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defaultExpandAll={false}
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defaultExpandedKeys={['p1']}
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openAnimation={{ on: animation, props: { appear: true } }}
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>
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<TreeNode title="parent 1" key="p1">
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<TreeNode key="p10" title="leaf" />
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<TreeNode title="parent 1-1" key="p11">
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<TreeNode title="parent 2-1" key="p21">
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<TreeNode title="leaf" />
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<TreeNode title="leaf" />
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</TreeNode>
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<TreeNode key="p22" title="leaf" />
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</TreeNode>
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</TreeNode>
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</Tree>
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</div>
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);
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},
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};
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</script>
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<style>
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.collapse {
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overflow: hidden;
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display: block;
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}
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.collapse-active {
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transition: height 0.3s ease-out;
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}
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</style>
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