初始化 antd-pro

admin-web/src/components/Ellipsis/demo/line.md

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+---
+order: 1
+title: 
+  zh-CN: 按照行数省略
+  en-US: Truncate according to the number of rows
+---
+
+## zh-CN
+
+通过设置 `lines` 属性指定最大行数，如果超过这个行数的文本会自动截取。但是在这种模式下所有 `children` 将会被转换成纯文本。
+
+并且注意在这种模式下，外容器需要有指定的宽度（或设置自身宽度）。
+
+## en-US
+
+`lines` attribute specifies the maximum number of rows where the text will automatically be truncated when exceeded. In this mode, all children will be converted to plain text.
+
+Also note that, in this mode, the outer container needs to have a specified width (or set its own width).
+
+
+````jsx
+import Ellipsis from 'ant-design-pro/lib/Ellipsis';
+
+const article = <p>There were injuries alleged in three <a href="#cover">cases in 2015</a>, and a fourth incident in September, according to the safety recall report. After meeting with US regulators in October, the firm decided to issue a voluntary recall.</p>;
+
+ReactDOM.render(
+  <div style={{ width: 200 }}>
+    <Ellipsis tooltip lines={3}>{article}</Ellipsis>
+  </div>
+, mountNode);
+````

admin-web/src/components/Ellipsis/demo/number.md

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+---
+order: 0
+title: 
+  zh-CN: 按照字符数省略
+  en-US: Truncate according to the number of character
+---
+
+## zh-CN
+
+通过设置 `length` 属性指定文本最长长度，如果超过这个长度会自动截取。
+
+## en-US
+
+`length` attribute specifies the maximum length where the text will automatically be truncated when exceeded.
+
+````jsx
+import Ellipsis from 'ant-design-pro/lib/Ellipsis';
+
+const article = 'There were injuries alleged in three cases in 2015, and a fourth incident in September, according to the safety recall report. After meeting with US regulators in October, the firm decided to issue a voluntary recall.';
+
+ReactDOM.render(
+  <div>
+    <Ellipsis length={100}>{article}</Ellipsis>
+    <h4 style={{ marginTop: 24 }}>Show Tooltip</h4>
+    <Ellipsis length={100} tooltip>{article}</Ellipsis>
+  </div>
+, mountNode);
+````

admin-web/src/components/Ellipsis/index.d.ts

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+import * as React from 'react';
+import { TooltipProps } from 'antd/lib/tooltip';
+
+export interface IEllipsisTooltipProps extends TooltipProps {
+  title?: undefined;
+  overlayStyle?: undefined;
+}
+
+export interface IEllipsisProps {
+  tooltip?: boolean | IEllipsisTooltipProps;
+  length?: number;
+  lines?: number;
+  style?: React.CSSProperties;
+  className?: string;
+  fullWidthRecognition?: boolean;
+}
+
+export function getStrFullLength(str: string): number;
+export function cutStrByFullLength(str: string, maxLength: number): string;
+
+export default class Ellipsis extends React.Component<IEllipsisProps, any> {}

admin-web/src/components/Ellipsis/index.en-US.md

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+---
+title: Ellipsis 
+cols: 1
+order: 10
+---
+
+When the text is too long, the Ellipsis automatically shortens it according to its length or the maximum number of lines.
+
+## API
+
+Property | Description | Type | Default
+----|------|-----|------
+tooltip | tooltip for showing the full text content when hovering over | boolean | -
+length | 	maximum number of characters in the text before being truncated | number | -
+lines | maximum number of rows in the text before being truncated | number | `1`
+fullWidthRecognition | whether consider full-width character length as 2 when calculate string length | boolean | -

admin-web/src/components/Ellipsis/index.js

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+import React, { Component } from 'react';
+import { Tooltip } from 'antd';
+import classNames from 'classnames';
+import styles from './index.less';
+
+/* eslint react/no-did-mount-set-state: 0 */
+/* eslint no-param-reassign: 0 */
+
+const isSupportLineClamp = document.body.style.webkitLineClamp !== undefined;
+
+const TooltipOverlayStyle = {
+  overflowWrap: 'break-word',
+  wordWrap: 'break-word',
+};
+
+export const getStrFullLength = (str = '') =>
+  str.split('').reduce((pre, cur) => {
+    const charCode = cur.charCodeAt(0);
+    if (charCode >= 0 && charCode <= 128) {
+      return pre + 1;
+    }
+    return pre + 2;
+  }, 0);
+
+export const cutStrByFullLength = (str = '', maxLength) => {
+  let showLength = 0;
+  return str.split('').reduce((pre, cur) => {
+    const charCode = cur.charCodeAt(0);
+    if (charCode >= 0 && charCode <= 128) {
+      showLength += 1;
+    } else {
+      showLength += 2;
+    }
+    if (showLength <= maxLength) {
+      return pre + cur;
+    }
+    return pre;
+  }, '');
+};
+
+const getTooltip = ({ tooltip, overlayStyle, title, children }) => {
+  if (tooltip) {
+    const props = tooltip === true ? { overlayStyle, title } : { ...tooltip, overlayStyle, title };
+    return <Tooltip {...props}>{children}</Tooltip>;
+  }
+  return children;
+};
+
+const EllipsisText = ({ text, length, tooltip, fullWidthRecognition, ...other }) => {
+  if (typeof text !== 'string') {
+    throw new Error('Ellipsis children must be string.');
+  }
+  const textLength = fullWidthRecognition ? getStrFullLength(text) : text.length;
+  if (textLength <= length || length < 0) {
+    return <span {...other}>{text}</span>;
+  }
+  const tail = '...';
+  let displayText;
+  if (length - tail.length <= 0) {
+    displayText = '';
+  } else {
+    displayText = fullWidthRecognition ? cutStrByFullLength(text, length) : text.slice(0, length);
+  }
+
+  const spanAttrs = tooltip ? {} : { ...other };
+  return getTooltip({
+    tooltip,
+    overlayStyle: TooltipOverlayStyle,
+    title: text,
+    children: (
+      <span {...spanAttrs}>
+        {displayText}
+        {tail}
+      </span>
+    ),
+  });
+};
+
+export default class Ellipsis extends Component {
+  state = {
+    text: '',
+    targetCount: 0,
+  };
+
+  componentDidMount() {
+    if (this.node) {
+      this.computeLine();
+    }
+  }
+
+  componentDidUpdate(perProps) {
+    const { lines } = this.props;
+    if (lines !== perProps.lines) {
+      this.computeLine();
+    }
+  }
+
+  computeLine = () => {
+    const { lines } = this.props;
+    if (lines && !isSupportLineClamp) {
+      const text = this.shadowChildren.innerText || this.shadowChildren.textContent;
+      const lineHeight = parseInt(getComputedStyle(this.root).lineHeight, 10);
+      const targetHeight = lines * lineHeight;
+      this.content.style.height = `${targetHeight}px`;
+      const totalHeight = this.shadowChildren.offsetHeight;
+      const shadowNode = this.shadow.firstChild;
+
+      if (totalHeight <= targetHeight) {
+        this.setState({
+          text,
+          targetCount: text.length,
+        });
+        return;
+      }
+
+      // bisection
+      const len = text.length;
+      const mid = Math.ceil(len / 2);
+
+      const count = this.bisection(targetHeight, mid, 0, len, text, shadowNode);
+
+      this.setState({
+        text,
+        targetCount: count,
+      });
+    }
+  };
+
+  bisection = (th, m, b, e, text, shadowNode) => {
+    const suffix = '...';
+    let mid = m;
+    let end = e;
+    let begin = b;
+    shadowNode.innerHTML = text.substring(0, mid) + suffix;
+    let sh = shadowNode.offsetHeight;
+
+    if (sh <= th) {
+      shadowNode.innerHTML = text.substring(0, mid + 1) + suffix;
+      sh = shadowNode.offsetHeight;
+      if (sh > th || mid === begin) {
+        return mid;
+      }
+      begin = mid;
+      if (end - begin === 1) {
+        mid = 1 + begin;
+      } else {
+        mid = Math.floor((end - begin) / 2) + begin;
+      }
+      return this.bisection(th, mid, begin, end, text, shadowNode);
+    }
+    if (mid - 1 < 0) {
+      return mid;
+    }
+    shadowNode.innerHTML = text.substring(0, mid - 1) + suffix;
+    sh = shadowNode.offsetHeight;
+    if (sh <= th) {
+      return mid - 1;
+    }
+    end = mid;
+    mid = Math.floor((end - begin) / 2) + begin;
+    return this.bisection(th, mid, begin, end, text, shadowNode);
+  };
+
+  handleRoot = n => {
+    this.root = n;
+  };
+
+  handleContent = n => {
+    this.content = n;
+  };
+
+  handleNode = n => {
+    this.node = n;
+  };
+
+  handleShadow = n => {
+    this.shadow = n;
+  };
+
+  handleShadowChildren = n => {
+    this.shadowChildren = n;
+  };
+
+  render() {
+    const { text, targetCount } = this.state;
+    const {
+      children,
+      lines,
+      length,
+      className,
+      tooltip,
+      fullWidthRecognition,
+      ...restProps
+    } = this.props;
+
+    const cls = classNames(styles.ellipsis, className, {
+      [styles.lines]: lines && !isSupportLineClamp,
+      [styles.lineClamp]: lines && isSupportLineClamp,
+    });
+
+    if (!lines && !length) {
+      return (
+        <span className={cls} {...restProps}>
+          {children}
+        </span>
+      );
+    }
+
+    // length
+    if (!lines) {
+      return (
+        <EllipsisText
+          className={cls}
+          length={length}
+          text={children || ''}
+          tooltip={tooltip}
+          fullWidthRecognition={fullWidthRecognition}
+          {...restProps}
+        />
+      );
+    }
+
+    const id = `antd-pro-ellipsis-${`${new Date().getTime()}${Math.floor(Math.random() * 100)}`}`;
+
+    // support document.body.style.webkitLineClamp
+    if (isSupportLineClamp) {
+      const style = `#${id}{-webkit-line-clamp:${lines};-webkit-box-orient: vertical;}`;
+
+      const node = (
+        <div id={id} className={cls} {...restProps}>
+          <style>{style}</style>
+          {children}
+        </div>
+      );
+
+      return getTooltip({
+        tooltip,
+        overlayStyle: TooltipOverlayStyle,
+        title: children,
+        children: node,
+      });
+    }
+
+    const childNode = (
+      <span ref={this.handleNode}>
+        {targetCount > 0 && text.substring(0, targetCount)}
+        {targetCount > 0 && targetCount < text.length && '...'}
+      </span>
+    );
+
+    return (
+      <div {...restProps} ref={this.handleRoot} className={cls}>
+        <div ref={this.handleContent}>
+          {getTooltip({
+            tooltip,
+            overlayStyle: TooltipOverlayStyle,
+            title: text,
+            children: childNode,
+          })}
+          <div className={styles.shadow} ref={this.handleShadowChildren}>
+            {children}
+          </div>
+          <div className={styles.shadow} ref={this.handleShadow}>
+            <span>{text}</span>
+          </div>
+        </div>
+      </div>
+    );
+  }
+}

admin-web/src/components/Ellipsis/index.less

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+.ellipsis {
+  display: inline-block;
+  width: 100%;
+  overflow: hidden;
+  word-break: break-all;
+}
+
+.lines {
+  position: relative;
+  .shadow {
+    position: absolute;
+    z-index: -999;
+    display: block;
+    color: transparent;
+    opacity: 0;
+  }
+}
+
+.lineClamp {
+  position: relative;
+  display: -webkit-box;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}

admin-web/src/components/Ellipsis/index.test.js

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+import { getStrFullLength, cutStrByFullLength } from './index';
+
+describe('test calculateShowLength', () => {
+  it('get full length', () => {
+    expect(getStrFullLength('一二，a,')).toEqual(8);
+  });
+  it('cut str by full length', () => {
+    expect(cutStrByFullLength('一二，a,', 7)).toEqual('一二，a');
+  });
+  it('cut str when length small', () => {
+    expect(cutStrByFullLength('一22三', 5)).toEqual('一22');
+  });
+});

admin-web/src/components/Ellipsis/index.zh-CN.md

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+---
+title: Ellipsis
+subtitle: 文本自动省略号
+cols: 1
+order: 10
+---
+
+文本过长自动处理省略号，支持按照文本长度和最大行数两种方式截取。
+
+## API
+
+参数 | 说明 | 类型 | 默认值
+----|------|-----|------
+tooltip | 移动到文本展示完整内容的提示 | boolean | -
+length | 在按照长度截取下的文本最大字符数，超过则截取省略 | number | -
+lines | 在按照行数截取下最大的行数，超过则截取省略 | number | `1`
+fullWidthRecognition | 是否将全角字符的长度视为2来计算字符串长度 | boolean | -