minio/browser/app/js/buckets/BucketList.js
Kanagaraj M cb3818be27
adding local pagination to bucket list (#5684)
* adding local pagination to bucket list

When there are more than 5000 buckets, browser ui
becomes unresponsive since react needs to create
5000 elements which takes browser resources.
So we show only 100 buckets for the first time,
and load more buckets when the user is scrolling down.

* move inline styles to less file
2018-03-22 23:28:48 +05:30

100 lines
2.8 KiB
JavaScript

/*
* Minio Cloud Storage (C) 2018 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import React from "react"
import { connect } from "react-redux"
import { Scrollbars } from "react-custom-scrollbars"
import InfiniteScroll from "react-infinite-scroller"
import * as actionsBuckets from "./actions"
import { getFilteredBuckets } from "./selectors"
import BucketContainer from "./BucketContainer"
import web from "../web"
import history from "../history"
import { pathSlice } from "../utils"
export class BucketList extends React.Component {
constructor(props) {
super(props)
this.state = {
page: 1
}
}
componentWillReceiveProps(nexProps) {
if (this.props.filter != nexProps.filter) {
this.setState({
page: 1
})
}
}
componentWillMount() {
const { fetchBuckets, setBucketList, selectBucket } = this.props
if (web.LoggedIn()) {
fetchBuckets()
} else {
const { bucket, prefix } = pathSlice(history.location.pathname)
if (bucket) {
setBucketList([bucket])
selectBucket(bucket, prefix)
} else {
history.replace("/login")
}
}
}
loadNextPage() {
this.setState({
page: this.state.page + 1
})
}
render() {
const { filteredBuckets } = this.props
const visibleBuckets = filteredBuckets.slice(0, this.state.page * 100)
return (
<div className="buckets__list">
<InfiniteScroll
pageStart={0}
loadMore={this.loadNextPage.bind(this)}
hasMore={filteredBuckets.length > visibleBuckets.length}
useWindow={false}
element="div"
initialLoad={false}
className="buckets__scroll"
>
{visibleBuckets.map(bucket => (
<BucketContainer key={bucket} bucket={bucket} />
))}
</InfiniteScroll>
</div>
)
}
}
const mapStateToProps = state => {
return {
filteredBuckets: getFilteredBuckets(state),
filter: state.buckets.filter
}
}
const mapDispatchToProps = dispatch => {
return {
fetchBuckets: () => dispatch(actionsBuckets.fetchBuckets()),
setBucketList: buckets => dispatch(actionsBuckets.setList(buckets)),
selectBucket: bucket => dispatch(actionsBuckets.selectBucket(bucket))
}
}
export default connect(mapStateToProps, mapDispatchToProps)(BucketList)