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dashboard: fix CSS, escape special HTML chars, clean up code (#17167)

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* dashboard: fix CSS, escape special HTML chars, clean up code

* dashboard: change 0 to 1

* dashboard: add escape-html npm package
This commit is contained in:
Kurkó Mihály 2018-07-16 10:43:58 +03:00 committed by Péter Szilágyi
parent db5e403afe
commit eb7f901289
6 changed files with 427 additions and 350 deletions
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644
dashboard/assets.go
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File diff suppressed because it is too large Load Diff

2
dashboard/assets/components/Body.jsx
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@ -27,7 +27,7 @@ const styles = {
body: {
display: 'flex',
width: '100%',
height: '100%',
height: '92%',
},
};

14
dashboard/assets/components/Header.jsx
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@ -26,6 +26,16 @@ import Icon from 'material-ui/Icon';
import MenuIcon from 'material-ui-icons/Menu';
import Typography from 'material-ui/Typography';
// styles contains the constant styles of the component.
const styles = {
header: {
height: '8%',
},
toolbar: {
height: '100%',
},
};
// themeStyles returns the styles generated from the theme for the component.
const themeStyles = (theme: Object) => ({
header: {
@ -54,8 +64,8 @@ class Header extends Component<Props> {
const {classes} = this.props;
return (
<AppBar position='static' className={classes.header}>
<Toolbar className={classes.toolbar}>
<AppBar position='static' className={classes.header} style={styles.header}>
<Toolbar className={classes.toolbar} style={styles.toolbar}>
<IconButton onClick={this.props.switchSideBar}>
<Icon>
<MenuIcon />

110
dashboard/assets/components/Logs.jsx
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@ -19,6 +19,7 @@
import React, {Component} from 'react';
import List, {ListItem} from 'material-ui/List';
import escapeHtml from 'escape-html';
import type {Record, Content, LogsMessage, Logs as LogsType} from '../types/content';
// requestBand says how wide is the top/bottom zone, eg. 0.1 means 10% of the container height.
@ -83,8 +84,8 @@ const createChunk = (records: Array<Record>) => {
content += `<span style="color:${color}">${lvl}</span>[${month}-${date}|${hours}:${minutes}:${seconds}] ${msg}`;
for (let i = 0; i < ctx.length; i += 2) {
const key = ctx[i];
const val = ctx[i + 1];
const key = escapeHtml(ctx[i]);
const val = escapeHtml(ctx[i + 1]);
let padding = fieldPadding.get(key);
if (typeof padding !== 'number' || padding < val.length) {
padding = val.length;
@ -101,11 +102,17 @@ const createChunk = (records: Array<Record>) => {
return content;
};
// ADDED, SAME and REMOVED are used to track the change of the log chunk array.
// The scroll position is set using these values.
const ADDED = 1;
const SAME = 0;
const REMOVED = -1;
// inserter is a state updater function for the main component, which inserts the new log chunk into the chunk array.
// limit is the maximum length of the chunk array, used in order to prevent the browser from OOM.
export const inserter = (limit: number) => (update: LogsMessage, prev: LogsType) => {
prev.topChanged = 0;
prev.bottomChanged = 0;
prev.topChanged = SAME;
prev.bottomChanged = SAME;
if (!Array.isArray(update.chunk) || update.chunk.length < 1) {
return prev;
}
@ -123,7 +130,7 @@ export const inserter = (limit: number) => (update: LogsMessage, prev: LogsType)
return [{content, name: '00000000000000.log'}];
}
prev.chunks[prev.chunks.length - 1].content += content;
prev.bottomChanged = 1;
prev.bottomChanged = ADDED;
return prev;
}
const chunk = {
@ -137,10 +144,10 @@ export const inserter = (limit: number) => (update: LogsMessage, prev: LogsType)
if (prev.chunks.length >= limit) {
prev.endBottom = false;
prev.chunks.splice(limit - 1, prev.chunks.length - limit + 1);
prev.bottomChanged = -1;
prev.bottomChanged = REMOVED;
}
prev.chunks = [chunk, ...prev.chunks];
prev.topChanged = 1;
prev.topChanged = ADDED;
return prev;
}
if (update.source.last) {
@ -149,10 +156,10 @@ export const inserter = (limit: number) => (update: LogsMessage, prev: LogsType)
if (prev.chunks.length >= limit) {
prev.endTop = false;
prev.chunks.splice(0, prev.chunks.length - limit + 1);
prev.topChanged = -1;
prev.topChanged = REMOVED;
}
prev.chunks = [...prev.chunks, chunk];
prev.bottomChanged = 1;
prev.bottomChanged = ADDED;
return prev;
};
@ -160,6 +167,7 @@ export const inserter = (limit: number) => (update: LogsMessage, prev: LogsType)
const styles = {
logListItem: {
padding: 0,
lineHeight: 1.231,
},
logChunk: {
color: 'white',
@ -167,6 +175,11 @@ const styles = {
whiteSpace: 'nowrap',
width: 0,
},
waitMsg: {
textAlign: 'center',
color: 'white',
fontFamily: 'monospace',
},
};
export type Props = {
@ -192,7 +205,17 @@ class Logs extends Component<Props, State> {
componentDidMount() {
const {container} = this.props;
if (typeof container === 'undefined') {
return;
}
container.scrollTop = container.scrollHeight - container.clientHeight;
const {logs} = this.props.content;
if (typeof this.content === 'undefined' || logs.chunks.length < 1) {
return;
}
if (this.content.clientHeight < container.clientHeight && !logs.endTop) {
this.sendRequest(logs.chunks[0].name, true);
}
}
// onScroll is triggered by the parent component's scroll event, and sends requests if the scroll position is
@ -205,29 +228,23 @@ class Logs extends Component<Props, State> {
if (logs.chunks.length < 1) {
return;
}
if (this.atTop()) {
if (!logs.endTop) {
this.setState({requestAllowed: false});
this.props.send(JSON.stringify({
Logs: {
Name: logs.chunks[0].name,
Past: true,
},
}));
}
} else if (this.atBottom()) {
if (!logs.endBottom) {
this.setState({requestAllowed: false});
this.props.send(JSON.stringify({
Logs: {
Name: logs.chunks[logs.chunks.length - 1].name,
Past: false,
},
}));
}
if (this.atTop() && !logs.endTop) {
this.sendRequest(logs.chunks[0].name, true);
} else if (this.atBottom() && !logs.endBottom) {
this.sendRequest(logs.chunks[logs.chunks.length - 1].name, false);
}
};
sendRequest = (name: string, past: boolean) => {
this.setState({requestAllowed: false});
this.props.send(JSON.stringify({
Logs: {
Name: name,
Past: past,
},
}));
};
// atTop checks if the scroll position it at the top of the container.
atTop = () => this.props.container.scrollTop <= this.props.container.scrollHeight * requestBand;
@ -242,8 +259,9 @@ class Logs extends Component<Props, State> {
// and the height of the first log chunk, which can be deleted during the insertion.
beforeUpdate = () => {
let firstHeight = 0;
if (this.content && this.content.children[0] && this.content.children[0].children[0]) {
firstHeight = this.content.children[0].children[0].clientHeight;
let chunkList = this.content.children[1];
if (chunkList && chunkList.children[0]) {
firstHeight = chunkList.children[0].clientHeight;
}
return {
scrollTop: this.props.container.scrollTop,
@ -252,8 +270,8 @@ class Logs extends Component<Props, State> {
};
// didUpdate is called by the parent component, which provides the container. Sends the first request if the
// visible part of the container isn't full, and resets the scroll position in order to avoid jumping when new
// chunk is inserted.
// visible part of the container isn't full, and resets the scroll position in order to avoid jumping when a
// chunk is inserted or removed.
didUpdate = (prevProps, prevState, snapshot) => {
if (typeof this.props.shouldUpdate.logs === 'undefined' || typeof this.content === 'undefined' || snapshot === null) {
return;
@ -264,27 +282,21 @@ class Logs extends Component<Props, State> {
return;
}
if (this.content.clientHeight < container.clientHeight) {
// Only enters here at the beginning, when there isn't enough log to fill the container
// Only enters here at the beginning, when there aren't enough logs to fill the container
// and the scroll bar doesn't appear.
if (!logs.endTop) {
this.setState({requestAllowed: false});
this.props.send(JSON.stringify({
Logs: {
Name: logs.chunks[0].name,
Past: true,
},
}));
this.sendRequest(logs.chunks[0].name, true);
}
return;
}
const chunks = this.content.children[0].children;
let {scrollTop} = snapshot;
if (logs.topChanged > 0) {
scrollTop += chunks[0].clientHeight;
} else if (logs.bottomChanged > 0) {
if (logs.topChanged < 0) {
if (logs.topChanged === ADDED) {
// It would be safer to use a ref to the list, but ref doesn't work well with HOCs.
scrollTop += this.content.children[1].children[0].clientHeight;
} else if (logs.bottomChanged === ADDED) {
if (logs.topChanged === REMOVED) {
scrollTop -= snapshot.firstHeight;
} else if (logs.endBottom && this.atBottom()) {
} else if (this.atBottom() && logs.endBottom) {
scrollTop = container.scrollHeight - container.clientHeight;
}
}
@ -295,6 +307,9 @@ class Logs extends Component<Props, State> {
render() {
return (
<div ref={(ref) => { this.content = ref; }}>
<div style={styles.waitMsg}>
{this.props.content.logs.endTop ? 'No more logs.' : 'Waiting for server...'}
</div>
<List>
{this.props.content.logs.chunks.map((c, index) => (
<ListItem style={styles.logListItem} key={index}>
@ -302,6 +317,7 @@ class Logs extends Component<Props, State> {
</ListItem>
))}
</List>
{this.props.content.logs.endBottom || <div style={styles.waitMsg}>Waiting for server...</div>}
</div>
);
}

5
dashboard/assets/package.json
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@ -13,6 +13,7 @@
"babel-runtime": "^6.26.0",
"classnames": "^2.2.5",
"css-loader": "^0.28.9",
"escape-html": "^1.0.3",
"eslint": "^4.16.0",
"eslint-config-airbnb": "^16.1.0",
"eslint-loader": "^2.0.0",
@ -41,7 +42,7 @@
"scripts": {
"build": "NODE_ENV=production webpack",
"stats": "webpack --profile --json > stats.json",
"dev": "webpack-dev-server --port 8081",
"flow": "flow-typed install"
"dev": "webpack-dev-server --port 8081",
"flow": "flow-typed install"
}
}

2
dashboard/assets/yarn.lock
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@ -2248,7 +2248,7 @@ es6-weak-map@^2.0.1:
es6-iterator "^2.0.1"
es6-symbol "^3.1.1"
escape-html@~1.0.3:
escape-html@^1.0.3, escape-html@~1.0.3:
version "1.0.3"
resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"