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Merge pull request #1485 from weaveworks/loading-indicator
Loading indicator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| import React from 'react'; | ||
| import _ from 'lodash'; | ||
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| import { findTopologyById } from '../utils/topology-utils'; | ||
| import NodesError from '../charts/nodes-error'; | ||
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| const LOADING_TEMPLATES = [ | ||
| 'Loading THINGS', | ||
| 'Verifying THINGS', | ||
| 'Fetching THINGS', | ||
| 'Processing THINGS', | ||
| 'Reticulating THINGS', | ||
| 'Locating THINGS', | ||
| 'Optimizing THINGS', | ||
| 'Transporting THINGS', | ||
| ]; | ||
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| export function getNodeType(topology, topologies) { | ||
| if (!topology || topologies.size === 0) { | ||
| return ''; | ||
| } | ||
| let name = topology.get('name'); | ||
| if (topology.get('parentId')) { | ||
| const parentTopology = findTopologyById(topologies, topology.get('parentId')); | ||
| name = parentTopology.get('name'); | ||
| } | ||
| return name.toLowerCase(); | ||
| } | ||
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| function renderTemplate(nodeType, template) { | ||
| return template.replace('THINGS', nodeType); | ||
| } | ||
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| export class Loading extends React.Component { | ||
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| constructor(props, context) { | ||
| super(props, context); | ||
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| this.state = { | ||
| template: _.sample(LOADING_TEMPLATES) | ||
| }; | ||
| } | ||
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| render() { | ||
| const { itemType, show } = this.props; | ||
| const message = renderTemplate(itemType, this.state.template); | ||
| return ( | ||
| <NodesError mainClassName="nodes-chart-loading" faIconClass="fa-circle-thin" hidden={!show}> | ||
| <div className="heading">{message}</div> | ||
| </NodesError> | ||
| ); | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| import React from 'react'; | ||
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| export class DelayedShow extends React.Component { | ||
| constructor(props, context) { | ||
| super(props, context); | ||
| this.state = { | ||
| show: false | ||
| }; | ||
| } | ||
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| componentWillMount() { | ||
| if (this.props.show) { | ||
| this.scheduleShow(); | ||
| } | ||
| } | ||
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| componentWillUnmount() { | ||
| this.cancelShow(); | ||
| } | ||
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| componentWillReceiveProps(nextProps) { | ||
| if (nextProps.show === this.props.show) { | ||
| return; | ||
| } | ||
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| if (nextProps.show) { | ||
| this.scheduleShow(); | ||
| } else { | ||
| this.cancelShow(); | ||
| this.setState({ show: false }); | ||
| } | ||
| } | ||
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| scheduleShow() { | ||
| this.showTimeout = setTimeout(() => this.setState({ show: true }), this.props.delay); | ||
| } | ||
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| cancelShow() { | ||
| clearTimeout(this.showTimeout); | ||
| } | ||
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| render() { | ||
| const { children } = this.props; | ||
| const { show } = this.state; | ||
| const style = { | ||
| opacity: show ? 1 : 0, | ||
| transition: 'opacity 0.5s ease-in-out', | ||
| }; | ||
| return ( | ||
| <div style={style}> | ||
| {children} | ||
| </div> | ||
| ); | ||
| } | ||
| } | ||
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| DelayedShow.defaultProps = { | ||
| delay: 1000 | ||
| }; |
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