104 lines
2.8 KiB
TypeScript
104 lines
2.8 KiB
TypeScript
import * as q from '../../../../../backend/src/Model'
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import React from 'react'
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import { Base64Message } from '../../../../../backend/src/Model/Base64Message'
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import { Theme, withStyles } from '@material-ui/core'
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import { TopicViewModel } from '../../../model/TopicViewModel'
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export interface TreeNodeProps extends React.HTMLAttributes<HTMLElement> {
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treeNode: q.TreeNode<TopicViewModel>
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lastUpdate: number
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name?: string | undefined
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collapsed?: boolean | undefined
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didSelectNode: any
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toggleCollapsed: any
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classes: any
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}
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class TreeNodeTitle extends React.PureComponent<TreeNodeProps, {}> {
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private renderSourceEdge() {
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const name = this.props.name || (this.props.treeNode.sourceEdge && this.props.treeNode.sourceEdge.name)
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return (
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<span key="edge" className={this.props.classes.sourceEdge}>
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{name}
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</span>
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)
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}
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private truncatedMessage() {
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const limit = 350
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if (!this.props.treeNode.message || !this.props.treeNode.message.value) {
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return ''
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}
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const str = Base64Message.toUnicodeString(this.props.treeNode.message.value)
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return str.length > limit ? `${str.slice(0, limit)}…` : str
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}
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private renderValue() {
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return this.props.treeNode.message &&
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this.props.treeNode.message.value &&
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this.props.treeNode.message.length > 0 ? (
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<span key="value" className={this.props.classes.value}>
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{' '}
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= {this.truncatedMessage()}
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</span>
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) : null
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}
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private renderExpander() {
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if (this.props.treeNode.edgeCount() === 0) {
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return null
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}
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return (
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<span key="expander" className={this.props.classes.expander} onClick={this.props.toggleCollapsed}>
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{this.props.collapsed ? '▶' : '▼'}
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</span>
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)
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}
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private renderMetadata() {
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if (this.props.treeNode.edgeCount() === 0 || !this.props.collapsed) {
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return null
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}
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const messages = this.props.treeNode.leafMessageCount()
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return (
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<span
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key="metadata"
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className={this.props.classes.collapsedSubnodes}
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>{`(${this.props.treeNode.childTopicCount()} topics, ${messages} messages)`}</span>
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)
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}
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public render() {
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return [this.renderExpander(), this.renderSourceEdge(), this.renderMetadata(), this.renderValue()]
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}
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}
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const styles = (theme: Theme) => ({
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value: {
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whiteSpace: 'nowrap' as 'nowrap',
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overflow: 'hidden' as 'hidden',
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textOverflow: 'ellipsis' as 'ellipsis',
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padding: '0',
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},
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sourceEdge: {
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fontWeight: 'bold' as 'bold',
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overflow: 'hidden' as 'hidden',
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},
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expander: {
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color: theme.palette.type === 'light' ? '#222' : '#eee',
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cursor: 'pointer' as 'pointer',
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paddingRight: theme.spacing(0.25),
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userSelect: 'none' as 'none',
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},
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collapsedSubnodes: {
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color: theme.palette.text.secondary,
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userSelect: 'none' as 'none',
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},
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})
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export default withStyles(styles)(TreeNodeTitle)
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