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Support rendering layers of measurable SVG nodes in plexus (jaegertra…
…cing#422) Support rendering layers of measurable SVG nodes in plexus Signed-off-by: vvvprabhakar <vvvprabhakar@gmail.com>
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| Original file line number | Diff line number | Diff line change |
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| // Copyright (c) 2019 Uber Technologies, 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. | ||
|
|
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| import * as React from 'react'; | ||
|
|
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| import { TMeasurableNodeRenderer, TLayerType, TRendererUtils, ELayerType } from './types'; | ||
| import { assignMergeCss, getProps } from './utils'; | ||
| import { TLayoutVertex, TVertex } from '../types'; | ||
|
|
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| type TProps<T = {}> = Omit<TMeasurableNodeRenderer<T>, 'measurable'> & { | ||
| getClassName: (name: string) => string; | ||
| hidden: boolean; | ||
| layerType: TLayerType; | ||
| layoutVertex: TLayoutVertex<T> | null; | ||
| renderUtils: TRendererUtils; | ||
| vertex: TVertex<T>; | ||
| }; | ||
|
|
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| const SVG_HIDDEN_STYLE = { visibility: 'hidden' }; | ||
|
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| export default class MeasurableHtmlNode<T = {}> extends React.PureComponent<TProps<T>> { | ||
| htmlRef: React.RefObject<HTMLDivElement> = React.createRef(); | ||
| svgRef: React.RefObject<SVGGElement> = React.createRef(); | ||
|
|
||
| private measureHtml() { | ||
| const { current } = this.htmlRef; | ||
| if (!current) { | ||
| return { height: 0, width: 0 }; | ||
| } | ||
| return { | ||
| height: current.offsetHeight, | ||
| width: current.offsetWidth, | ||
| }; | ||
| } | ||
|
|
||
| private measureSvg() { | ||
| const { current } = this.svgRef; | ||
| if (!current) { | ||
| return { height: 0, width: 0 }; | ||
| } | ||
| const { height, width } = current.getBBox(); | ||
| return { height, width }; | ||
| } | ||
|
|
||
| private renderHtml() { | ||
| const { getClassName, hidden, renderNode, renderUtils, setOnNode, vertex, layoutVertex } = this.props; | ||
| const { height = null, left = null, top = null, width = null } = layoutVertex || {}; | ||
| const props = assignMergeCss(getProps(setOnNode, vertex, renderUtils, layoutVertex), { | ||
| className: getClassName('MeasurableHtmlNode'), | ||
| style: { | ||
| height, | ||
| width, | ||
| boxSizing: 'border-box', | ||
| position: 'absolute', | ||
| transform: | ||
| left == null || top == null ? undefined : `translate(${left.toFixed()}px,${top.toFixed()}px)`, | ||
| visibility: hidden ? 'hidden' : undefined, | ||
| }, | ||
| }); | ||
| return ( | ||
| <div ref={this.htmlRef} {...props}> | ||
| {renderNode(vertex, renderUtils, layoutVertex)} | ||
| </div> | ||
| ); | ||
| } | ||
|
|
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| private renderSvg() { | ||
| const { getClassName, hidden, renderNode, renderUtils, setOnNode, vertex, layoutVertex } = this.props; | ||
| const { left = null, top = null } = layoutVertex || {}; | ||
| const props = assignMergeCss(getProps(setOnNode, vertex, renderUtils, layoutVertex), { | ||
| className: getClassName('MeasurableSvgNode'), | ||
| transform: left == null || top == null ? undefined : `translate(${left.toFixed()}, ${top.toFixed()})`, | ||
| style: hidden ? SVG_HIDDEN_STYLE : null, | ||
| }); | ||
| return ( | ||
| <g ref={this.svgRef} {...props}> | ||
| {renderNode(vertex, renderUtils, layoutVertex)} | ||
| </g> | ||
| ); | ||
| } | ||
|
|
||
| getRef() { | ||
| if (this.props.layerType === ELayerType.Html) { | ||
| return { htmlWrapper: this.htmlRef.current, svgWrapper: undefined }; | ||
| } | ||
| return { svgWrapper: this.svgRef.current, htmlWrapper: undefined }; | ||
| } | ||
|
|
||
| measure() { | ||
| return this.props.layerType === ELayerType.Html ? this.measureHtml() : this.measureSvg(); | ||
| } | ||
|
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| render() { | ||
| const { layerType } = this.props; | ||
| if (layerType === ELayerType.Html) { | ||
| return this.renderHtml(); | ||
| } | ||
| return this.renderSvg(); | ||
| } | ||
| } |
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