Files
grafana-zabbix/src/panel-triggers/components/Problems/ProblemTimeline.tsx
2019-02-12 22:47:57 +03:00

692 lines
20 KiB
TypeScript

import React, { PureComponent } from 'react';
import _ from 'lodash';
import moment from 'moment';
import { GFTimeRange, ZBXEvent, ZBXAcknowledge } from '../../types';
const DEFAULT_OK_COLOR = 'rgb(56, 189, 113)';
const DEFAULT_PROBLEM_COLOR = 'rgb(215, 0, 0)';
const EVENT_POINT_SIZE = 16;
const INNER_POINT_SIZE = 0.6;
const HIGHLIGHTED_POINT_SIZE = 1.1;
const EVENT_REGION_HEIGHT = Math.round(EVENT_POINT_SIZE * 0.6);
export interface ProblemTimelineProps {
events: ZBXEvent[];
timeRange: GFTimeRange;
okColor?: string;
problemColor?: string;
eventRegionHeight?: number;
eventPointSize?: number;
}
interface ProblemTimelineState {
width: number;
highlightedEvent?: ZBXEvent | null;
highlightedRegion?: number | null;
showEventInfo?: boolean;
eventInfo?: EventInfo;
}
interface EventInfo {
timestamp?: number;
duration?: number;
message?: string;
}
export default class ProblemTimeline extends PureComponent<ProblemTimelineProps, ProblemTimelineState> {
rootRef: any;
sortedEvents: ZBXEvent[];
static defaultProps = {
okColor: DEFAULT_OK_COLOR,
problemColor: DEFAULT_PROBLEM_COLOR,
eventRegionHeight: EVENT_REGION_HEIGHT,
eventPointSize: EVENT_POINT_SIZE,
};
constructor(props) {
super(props);
this.state = {
width: 0,
highlightedEvent: null,
highlightedRegion: null,
showEventInfo: false,
eventInfo: {}
};
}
componentDidUpdate(prevProps, prevState) {
if (this.rootRef && prevState.width !== this.rootRef.clientWidth) {
const width = this.rootRef.clientWidth;
this.setState({ width });
}
}
setRootRef = ref => {
this.rootRef = ref;
const width = ref && ref.clientWidth || 0;
this.setState({ width });
}
handlePointHighlight = (index: number, secondIndex?: number) => {
const event: ZBXEvent = this.sortedEvents[index];
const regionToHighlight = this.getRegionToHighlight(index);
let duration: number;
if (secondIndex !== undefined) {
duration = this.getEventDuration(index, secondIndex);
}
this.setState({
highlightedEvent: event,
showEventInfo: true,
highlightedRegion: regionToHighlight,
eventInfo: {
duration
}
});
// this.showEventInfo(event);
}
handlePointUnHighlight = () => {
this.setState({ showEventInfo: false, highlightedRegion: null });
}
handleAckHighlight = (ack: ZBXAcknowledge, index: number) => {
this.setState({
showEventInfo: true,
eventInfo: {
timestamp: Number(ack.clock),
message: ack.message,
}
});
}
handleAckUnHighlight = () => {
this.setState({ showEventInfo: false });
}
showEventInfo = (event: ZBXEvent) => {
this.setState({ highlightedEvent: event, showEventInfo: true });
}
hideEventInfo = () => {
this.setState({ showEventInfo: false });
}
getRegionToHighlight = (index: number): number => {
const event = this.sortedEvents[index];
const regionToHighlight = event.value === '1' ? index + 1 : index;
return regionToHighlight;
}
getEventDuration(firstIndex: number, secondIndex: number): number {
return Math.abs(Number(this.sortedEvents[firstIndex].clock) - Number(this.sortedEvents[secondIndex].clock)) * 1000;
}
sortEvents() {
const events = _.sortBy(this.props.events, e => Number(e.clock));
this.sortedEvents = events;
return events;
}
getEventAcks(events: ZBXEvent[]): ZBXAcknowledge[] {
const acks: ZBXAcknowledge[] = [];
for (const event of events) {
if (event.acknowledges) {
for (const ack of event.acknowledges) {
acks.push(ack);
}
}
}
return _.sortBy(acks, ack => Number(ack.clock));
}
render() {
if (!this.rootRef) {
return <div className="event-timeline" ref={this.setRootRef} />;
}
const { timeRange, eventPointSize, eventRegionHeight } = this.props;
const events = this.sortEvents();
const acknowledges = this.getEventAcks(events);
const boxWidth = this.state.width + eventPointSize;
const boxHeight = Math.round(eventPointSize * 2.5);
const width = boxWidth - eventPointSize;
const padding = Math.round(eventPointSize / 2);
const pointsYpos = eventRegionHeight / 2;
const timelineYpos = Math.round(boxHeight / 2 - eventPointSize / 2);
return (
<div className="event-timeline" ref={this.setRootRef} style={{ transform: `translate(${-padding}px, 0)`}}>
<TimelineInfoContainer className="timeline-info-container"
event={this.state.highlightedEvent}
eventInfo={this.state.eventInfo}
show={this.state.showEventInfo}
left={padding}
/>
<svg className="event-timeline-canvas" viewBox={`0 0 ${boxWidth} ${boxHeight}`}>
<defs>
<TimelineSVGFilters />
</defs>
<g className="event-timeline-group" transform={`translate(${padding}, ${timelineYpos})`}>
<g className="event-timeline-regions" filter="url(#boxShadow)">
<TimelineRegions
events={events}
timeRange={timeRange}
width={width}
height={eventRegionHeight}
highlightedRegion={this.state.highlightedRegion}
/>
</g>
<g className="timeline-acknowledges" transform={`translate(0, ${pointsYpos})`}>
<TimelineAcks
acknowledges={acknowledges}
timeRange={timeRange}
width={width}
size={eventPointSize}
onHighlight={this.handleAckHighlight}
onUnHighlight={this.handleAckUnHighlight}
/>
</g>
<g className="timeline-points" transform={`translate(0, ${pointsYpos})`}>
<TimelinePoints
events={events}
timeRange={timeRange}
width={width}
pointSize={eventPointSize}
onPointHighlight={this.handlePointHighlight}
onPointUnHighlight={this.handlePointUnHighlight}
/>
</g>
</g>
</svg>
</div>
);
}
}
function TimelineSVGFilters() {
return (
<React.Fragment>
<filter id="dropShadow" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur in="SourceAlpha" stdDeviation="2" />
<feOffset dx="1" dy="1" />
<feMerge>
<feMergeNode />
<feMergeNode in="SourceGraphic" />
</feMerge>
</filter>
<filter id="boxShadow" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur in="SourceAlpha" stdDeviation="1" />
<feComponentTransfer>
<feFuncA type="linear" slope="0.7" />
</feComponentTransfer>
<feOffset dx="1" dy="1" />
<feMerge>
<feMergeNode />
<feMergeNode in="SourceGraphic" />
</feMerge>
</filter>
<filter id="glowShadow" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur in="SourceGraphic" stdDeviation="2" />
<feMerge>
<feMergeNode />
<feMergeNode in="SourceGraphic" />
</feMerge>
</filter>
<filter id="timelinePointBlur" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur in="SourceGraphic" stdDeviation="2" result="blurOut" />
</filter>
</React.Fragment>
);
}
interface TimelineInfoContainerProps {
event?: ZBXEvent | null;
eventInfo?: EventInfo | null;
show?: boolean;
left?: number;
className?: string;
}
class TimelineInfoContainer extends PureComponent<TimelineInfoContainerProps> {
static defaultProps = {
left: 0,
className: '',
show: false,
};
render() {
const { event, eventInfo, show, className, left } = this.props;
let infoItems, durationItem;
if (event) {
const ts = moment(Number(event.clock) * 1000);
const tsFormatted = ts.format('HH:mm:ss');
infoItems = [
<span key="ts" className="event-timestamp">
<span className="event-timestamp-label">Time:&nbsp;</span>
<span className="event-timestamp-value">{tsFormatted}</span>
</span>
];
}
if (eventInfo && eventInfo.duration) {
const duration = eventInfo.duration;
const durationFormatted = moment.utc(duration).format('HH:mm:ss');
durationItem = (
<span key="duration" className="event-timestamp">
<span className="event-timestamp-label">Duration:&nbsp;</span>
<span className="event-timestamp-value">{durationFormatted}</span>
</span>
);
}
if (eventInfo && eventInfo.timestamp) {
const ts = moment(eventInfo.timestamp * 1000);
const tsFormatted = ts.format('HH:mm:ss');
infoItems = [
<span key="ts" className="event-timestamp">
<span className="event-timestamp-label">Time:&nbsp;</span>
<span className="event-timestamp-value">{tsFormatted}</span>
</span>
];
}
const containerStyle: React.CSSProperties = { left };
if (!show) {
containerStyle.opacity = 0;
}
return (
<div className={className} style={containerStyle}>
<div>
{infoItems}
</div>
<div>
{durationItem}
</div>
{eventInfo && eventInfo.message &&
<div>
<span key="duration" className="event-timestamp">
<span className="event-timestamp-label">Message:&nbsp;</span>
<span className="event-timestamp-value">{eventInfo.message}</span>
</span>
</div>
}
</div>
);
}
}
interface TimelineRegionsProps {
events: ZBXEvent[];
timeRange: GFTimeRange;
width: number;
height: number;
okColor?: string;
problemColor?: string;
highlightedRegion?: number | null;
}
class TimelineRegions extends PureComponent<TimelineRegionsProps> {
static defaultProps = {
highlightedRegion: null,
};
render() {
const { events, timeRange, width, height, highlightedRegion } = this.props;
const { timeFrom, timeTo } = timeRange;
const range = timeTo - timeFrom;
let firstItem: React.ReactNode;
if (events.length) {
const firstTs = events.length ? Number(events[0].clock) : timeTo;
const duration = (firstTs - timeFrom) / range;
const regionWidth = Math.round(duration * width);
const highlighted = highlightedRegion === 0;
const valueClass = `problem-event--${events[0].value !== '1' ? 'problem' : 'ok'}`;
const className = `problem-event-region ${valueClass} ${highlighted ? 'highlighted' : ''}`;
const firstEventAttributes = {
x: 0,
y: 0,
width: regionWidth,
height: height,
};
firstItem = (
<rect key='0' className={className} {...firstEventAttributes}></rect>
);
}
const eventsIntervalItems = events.map((event, index) => {
const ts = Number(event.clock);
const nextTs = index < events.length - 1 ? Number(events[index + 1].clock) : timeTo;
const duration = (nextTs - ts) / range;
const regionWidth = Math.round(duration * width);
const posLeft = Math.round((ts - timeFrom) / range * width);
const highlighted = highlightedRegion && highlightedRegion - 1 === index;
const valueClass = `problem-event--${event.value === '1' ? 'problem' : 'ok'}`;
const className = `problem-event-region ${valueClass} ${highlighted ? 'highlighted' : ''}`;
const attributes = {
x: posLeft,
y: 0,
width: regionWidth,
height: height,
};
return (
<rect key={event.eventid} className={className} {...attributes} />
);
});
return [
firstItem,
eventsIntervalItems
];
}
}
interface TimelinePointsProps {
events: ZBXEvent[];
timeRange: GFTimeRange;
width: number;
pointSize: number;
okColor?: string;
problemColor?: string;
highlightRegion?: boolean;
onPointHighlight?: (index: number, secondIndex?: number) => void;
onPointUnHighlight?: () => void;
}
interface TimelinePointsState {
order: number[];
highlighted: number[];
}
class TimelinePoints extends PureComponent<TimelinePointsProps, TimelinePointsState> {
static defaultProps = {
highlightRegion: true,
};
constructor(props) {
super(props);
this.state = { order: [], highlighted: [] };
}
bringToFront = (indexes: number[], highlight = false) => {
const { events } = this.props;
let order = events.map((v, i) => i);
order = moveToEnd(order, indexes);
const highlighted = highlight ? indexes : null;
this.setState({ order, highlighted });
}
highlightPoint = (index: number) => () => {
let pointsToHighlight = [index];
if (this.props.onPointHighlight) {
if (this.props.highlightRegion) {
pointsToHighlight = this.getRegionEvents(index);
const secondIndex = pointsToHighlight.length === 2 ? pointsToHighlight[1] : undefined;
this.props.onPointHighlight(index, secondIndex);
} else {
this.props.onPointHighlight(index);
}
}
this.bringToFront(pointsToHighlight, true);
}
getRegionEvents(index: number) {
const events = this.props.events;
const event = events[index];
if (event.value === '1' && index < events.length ) {
// Problem event
for (let i = index; i < events.length; i++) {
if (events[i].value === '0') {
const okEventIndex = i;
return [index, okEventIndex];
}
}
} else if (event.value === '0' && index > 0) {
// OK event
let lastProblemIndex = null;
for (let i = index - 1; i >= 0; i--) {
if (events[i].value === '1') {
lastProblemIndex = i;
} else {
break;
}
}
if (lastProblemIndex !== null) {
return [index, lastProblemIndex];
}
}
return [index];
}
unHighlightPoint = index => () => {
if (this.props.onPointUnHighlight) {
this.props.onPointUnHighlight();
}
const order = this.props.events.map((v, i) => i);
this.setState({ order, highlighted: [] });
}
render() {
const { events, timeRange, width, pointSize } = this.props;
const { timeFrom, timeTo } = timeRange;
const range = timeTo - timeFrom;
const pointR = pointSize / 2;
const eventsItems = events.map((event, i) => {
const ts = Number(event.clock);
const posLeft = Math.round((ts - timeFrom) / range * width - pointR);
const className = `problem-event-item problem-event--${event.value === '1' ? 'problem' : 'ok'}`;
const highlighted = this.state.highlighted.indexOf(i) !== -1;
return (
<TimelinePoint
key={event.eventid}
className={className}
x={posLeft}
r={pointR}
highlighted={highlighted}
onPointHighlight={this.highlightPoint(i)}
onPointUnHighlight={this.unHighlightPoint(i)}
/>
);
});
if (this.state.order.length) {
return this.state.order.map(i => eventsItems[i]);
}
return eventsItems;
}
}
interface TimelinePointProps {
x: number;
r: number;
color?: string;
highlighted?: boolean;
className?: string;
onPointHighlight?: () => void;
onPointUnHighlight?: () => void;
}
interface TimelinePointState {
highlighted?: boolean;
}
class TimelinePoint extends PureComponent<TimelinePointProps, TimelinePointState> {
constructor(props) {
super(props);
this.state = { highlighted: false };
}
componentDidUpdate(prevProps: TimelinePointProps) {
// Update component after reordering to make animation working
if (prevProps.highlighted !== this.props.highlighted) {
this.setState({ highlighted: this.props.highlighted });
}
}
handleMouseOver = () => {
if (this.props.onPointHighlight) {
this.props.onPointHighlight();
}
}
handleMouseLeave = () => {
if (this.props.onPointUnHighlight) {
this.props.onPointUnHighlight();
}
}
render() {
const { x } = this.props;
const r = this.state.highlighted ? Math.round(this.props.r * HIGHLIGHTED_POINT_SIZE) : this.props.r;
const cx = x + this.props.r;
const rInner = Math.round(r * INNER_POINT_SIZE);
const className = `${this.props.className || ''} ${this.state.highlighted ? 'highlighted' : ''}`;
return (
<g className={className}
transform={`translate(${cx}, 0)`}
filter="url(#dropShadow)"
onMouseOver={this.handleMouseOver}
onMouseLeave={this.handleMouseLeave}>
<circle cx={0} cy={0} r={r} className="point-border" />
<circle cx={0} cy={0} r={rInner} className="point-core" />
</g>
);
}
}
interface TimelineAcksProps {
acknowledges: ZBXAcknowledge[];
timeRange: GFTimeRange;
width: number;
size: number;
onHighlight?: (ack: ZBXAcknowledge, index: number) => void;
onUnHighlight?: () => void;
}
interface TimelineAcksState {
order: number[];
highlighted: number;
}
class TimelineAcks extends PureComponent<TimelineAcksProps, TimelineAcksState> {
constructor(props) {
super(props);
this.state = { order: [], highlighted: null };
}
handleHighlight = (index: number) => () => {
if (this.props.onHighlight) {
const ack = this.props.acknowledges[index];
this.props.onHighlight(ack, index);
}
this.bringToFront(index, true);
}
handleUnHighlight = () => {
if (this.props.onUnHighlight) {
this.props.onUnHighlight();
}
const order = this.props.acknowledges.map((v, i) => i);
this.setState({ order, highlighted: null });
}
bringToFront = (index: number, highlight = false) => {
const { acknowledges } = this.props;
let order = acknowledges.map((v, i) => i);
order = moveToEnd(order, [index]);
const highlighted = highlight ? index : null;
this.setState({ order, highlighted });
}
render() {
const { acknowledges, timeRange, width, size } = this.props;
const { timeFrom, timeTo } = timeRange;
const range = timeTo - timeFrom;
const pointR = size / 2;
const eventsItems = acknowledges.map((ack, i) => {
const ts = Number(ack.clock);
const posLeft = Math.round((ts - timeFrom) / range * width - pointR);
const highlighted = this.state.highlighted === i;
return (
<TimelineAck
key={ack.eventid}
x={posLeft}
r={pointR}
highlighted={highlighted}
onHighlight={this.handleHighlight(i)}
onUnHighlight={this.handleUnHighlight}
/>
);
});
if (this.state.order.length) {
return this.state.order.map(i => eventsItems[i]);
}
return eventsItems;
}
}
interface TimelineAckProps {
x: number;
r: number;
highlighted?: boolean;
onHighlight?: () => void;
onUnHighlight?: () => void;
}
interface TimelineAckState {
highlighted?: boolean;
}
class TimelineAck extends PureComponent<TimelineAckProps, TimelineAckState> {
constructor(props) {
super(props);
this.state = { highlighted: false };
}
componentDidUpdate(prevProps: TimelineAckProps) {
// Update component after reordering to make animation working
if (prevProps.highlighted !== this.props.highlighted) {
this.setState({ highlighted: this.props.highlighted });
}
}
handleHighlight = () => {
if (this.props.onHighlight) {
this.props.onHighlight();
}
}
handleUnHighlight = () => {
if (this.props.onUnHighlight) {
this.props.onUnHighlight();
}
}
render() {
const { x } = this.props;
const r = this.state.highlighted ? Math.round(this.props.r * HIGHLIGHTED_POINT_SIZE) : this.props.r;
const cx = x + this.props.r;
const rInner = Math.round(r * INNER_POINT_SIZE);
const className = `problem-event-ack ${this.state.highlighted ? 'highlighted' : ''}`;
return (
<g className={className}
transform={`translate(${cx}, 0)`}
filter="url(#dropShadow)"
onMouseOver={this.handleHighlight}
onMouseLeave={this.handleUnHighlight}>
<circle cx={0} cy={0} r={r} className="point-border" />
<circle cx={0} cy={0} r={rInner} className="point-core" />
</g>
);
}
}
function moveToEnd<T>(array: T[], itemsToMove: number[]): T[] {
const removed = _.pullAt(array, itemsToMove);
removed.reverse();
array.push(...removed);
return array;
}