73 lines
1.5 KiB
Vue
73 lines
1.5 KiB
Vue
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<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 '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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