From f306cfa8b6445dd04c5f7188d1a5022bcb747a62 Mon Sep 17 00:00:00 2001 From: Jason Date: Thu, 9 Jun 2016 17:46:14 +0800 Subject: [web] separate flowtable to multiple files --- web/src/js/components/FlowTable.jsx | 120 ++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 web/src/js/components/FlowTable.jsx (limited to 'web/src/js/components/FlowTable.jsx') diff --git a/web/src/js/components/FlowTable.jsx b/web/src/js/components/FlowTable.jsx new file mode 100644 index 00000000..eddeed62 --- /dev/null +++ b/web/src/js/components/FlowTable.jsx @@ -0,0 +1,120 @@ +import React, { PropTypes } from 'react' +import ReactDOM from 'react-dom' +import shallowEqual from 'shallowequal' +import AutoScroll from './helpers/AutoScroll' +import { calcVScroll } from './helpers/VirtualScroll' +import FlowTableHead from './FlowTable/FlowTableHead' +import FlowRow from './FlowTable/FlowRow' +import Filt from "../filt/filt" + +class FlowTable extends React.Component { + + static propTypes = { + onSelect: PropTypes.func.isRequired, + flows: PropTypes.array.isRequired, + rowHeight: PropTypes.number, + highlight: PropTypes.string, + selected: PropTypes.object, + } + + static defaultProps = { + rowHeight: 32, + } + + constructor(props, context) { + super(props, context) + + this.state = { vScroll: calcVScroll() } + this.onViewportUpdate = this.onViewportUpdate.bind(this) + } + + componentWillMount() { + window.addEventListener('resize', this.onViewportUpdate) + } + + componentWillUnmount() { + window.removeEventListener('resize', this.onViewportUpdate) + } + + componentDidUpdate() { + this.onViewportUpdate() + + if (!this.shouldScrollIntoView) { + return + } + + this.shouldScrollIntoView = false + + const { rowHeight, flows, selected } = this.props + const viewport = ReactDOM.findDOMNode(this) + const head = ReactDOM.findDOMNode(this.refs.head) + + const headHeight = head ? head.offsetHeight : 0 + + const rowTop = (flows.indexOf(selected) * rowHeight) + headHeight + const rowBottom = rowTop + rowHeight + + const viewportTop = viewport.scrollTop + const viewportHeight = viewport.offsetHeight + + // Account for pinned thead + if (rowTop - headHeight < viewportTop) { + viewport.scrollTop = rowTop - headHeight + } else if (rowBottom > viewportTop + viewportHeight) { + viewport.scrollTop = rowBottom - viewportHeight + } + } + + componentWillReceiveProps(nextProps) { + if (nextProps.selected && nextProps.selected !== this.props.selected) { + this.shouldScrollIntoView = true + } + } + + onViewportUpdate() { + const viewport = ReactDOM.findDOMNode(this) + const viewportTop = viewport.scrollTop + + const vScroll = calcVScroll({ + viewportTop, + viewportHeight: viewport.offsetHeight, + itemCount: this.props.flows.length, + rowHeight: this.props.rowHeight, + }) + + if (this.state.viewportTop !== viewportTop || !shallowEqual(this.state.vScroll, vScroll)) { + this.setState({ vScroll, viewportTop }) + } + } + + render() { + const { vScroll, viewportTop } = this.state + const { flows, selected, highlight } = this.props + const isHighlighted = highlight ? Filt.parse(highlight) : () => false + + return ( +
+ + + + + + + {flows.slice(vScroll.start, vScroll.end).map(flow => ( + + ))} + + +
+
+ ) + } +} + +export default AutoScroll(FlowTable) -- cgit v1.2.3