101 lines
2.7 KiB
TypeScript
101 lines
2.7 KiB
TypeScript
import * as React from 'react'
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import * as q from '../../../../backend/src/Model'
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import CustomIconButton from '../helper/CustomIconButton'
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import Pause from '@material-ui/icons/PauseCircleFilled'
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import Resume from '@material-ui/icons/PlayCircleFilled'
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import { AppState } from '../../reducers'
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import { bindActionCreators } from 'redux'
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import { connect } from 'react-redux'
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import { treeActions } from '../../actions'
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import { StyleRulesCallback, withStyles } from '@material-ui/core/styles'
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import { Tooltip } from '@material-ui/core'
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const styles: StyleRulesCallback = theme => ({
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icon: {
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color: theme.palette.primary.contrastText,
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verticalAlign: 'middle' as 'middle',
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},
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})
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interface Props {
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classes: any
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actions: {
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tree: typeof treeActions,
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}
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paused: boolean
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tree?: q.Tree<any>
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}
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class PauseButton extends React.Component<Props, {changes: number}> {
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private timer?: any
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constructor(props: Props) {
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super(props)
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this.state = { changes: 0 }
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}
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private renderBufferStats() {
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if (!this.props.tree) {
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return
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}
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return (
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<span>
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{this.state.changes} changes<br />
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buffer at {Math.round(this.props.tree.unmergedChanges().fillState() * 10000) / 100}%
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</span>
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)
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}
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public componentDidMount() {
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this.timer = setInterval(() => {
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if (!this.props.paused || !this.props.tree) {
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return
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}
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const changes = this.props.tree.unmergedChanges()
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if (this.state.changes !== changes.length) {
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this.setState({ changes: changes.length })
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}
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}, 300)
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}
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public componentWillUnmount() {
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this.timer && clearInterval(this.timer)
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}
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public render() {
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const message = this.props.paused ? 'Resumes updating the tree, after applying all recorded changes' : 'Stops all updates, records changes until the buffer is full.'
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return (
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<div style={{ display: 'inline-flex' }}>
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<span>
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<CustomIconButton onClick={this.props.actions.tree.togglePause} >
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<Tooltip title={message}>
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<div /* Required so tooltip does not loose the anchor when the icon changes */>
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{this.props.paused ? <Resume className={this.props.classes.icon} /> : <Pause className={this.props.classes.icon} />}
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</div>
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</Tooltip>
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</CustomIconButton>
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</span>
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{this.props.paused ? this.renderBufferStats() : null}
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</div>
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)
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}
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}
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const mapStateToProps = (state: AppState) => {
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return {
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paused: state.tree.paused,
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tree: state.tree.tree,
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}
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}
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const mapDispatchToProps = (dispatch: any) => {
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return {
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actions: {
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tree: bindActionCreators(treeActions, dispatch),
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},
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}
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}
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export default connect(mapStateToProps, mapDispatchToProps)(withStyles(styles)(PauseButton))
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