annotation-board

allow you to add annotation after selected content and copy to clipboard and save to local server

目前為 2017-04-28 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name                annotation-board
// @name:zh-CN          注释墙
// @description         allow you to add annotation after selected content and copy to clipboard and save to local server
// @description:zh-CN   选中内容后添加注释并复制到剪贴板, 同时在本地的服务其中新建一个副本, 参见 https://github.com/ezirmusitua/snippet-board
// @version             0.1.5
// @author              jferroal
// @license             GPL-3.0
// @include             http://*
// @include             https://*
// @grant               GM_xmlhttpRequest
// @run-at              document-start
// @namespace           https://greasyfork.org/users/34556
// ==/UserScript==

function createSnippet(snippetContent, _host, _port) {
  let host = _host;
  if (!host) {
    host = 'http://127.0.0.1';
  }
  var port = _port;
  if (!port) {
    port = 5000;
  }
  const body = {
    link: window.location.href,
    raw_content: snippetContent,
  }
  GM_xmlhttpRequest({
    method: "POST",
    url: host + ':' + port.toString() + "/snippet/api/v0.1.0",
    data: JSON.stringify(body),
    headers: { "Content-Type": "application/json" },
    onreadystatechange: function (response) {
      console.log('trying to create snippet ... ');
    },
    onload: function (response) {
      console.log('snippet created! ');
    },
    onerror: function (response) {
      console.log('something wrong while creating snippet. ');
    },
    ontimeout: function (response) {
      console.log('request timeout! ');
    },
    onabort: function (response) {
      console.log('request aborted. ');
    }
  });
}

class AnnotationBoardStyle {
  constructor() { }
  static containerStyle(containerStyleObj, position) {
    containerStyleObj.fontFamily = 'Noto';
    containerStyleObj.display = 'flex';
    containerStyleObj.flexDirection = 'column';
    containerStyleObj.border = '4px';
    containerStyleObj.boxShadow = '0px 3px 8px 1px rgba(0, 0, 0, 0.26)';
    containerStyleObj.position = 'absolute';
    containerStyleObj.backgroundColor = 'rgba(0, 0, 0, 0.56)';
    containerStyleObj.padding = '16px 4px 8px 4px';
  }
  static textareaStyle(textareaStyleObj) {
    textareaStyleObj.fontFamily = 'Noto';
    textareaStyleObj.width = '240px';
    textareaStyleObj.height = '128px';
    textareaStyleObj.backgroundColor = 'rgba(255, 255, 255, 0.87)';
    textareaStyleObj.marginBottom = '8px';
    textareaStyleObj.borderRadius = '4px';
    textareaStyleObj.color = 'rgba(0, 0, 0, 0.76)'
    textareaStyleObj.fontSize = '12px';
  }
  static saveButtonStyle(buttonStyleObj) {
    buttonStyleObj.fontFamily = 'Noto';
    buttonStyleObj.border = 'none';
    buttonStyleObj.borderRadius = '4px';
    buttonStyleObj.height = '24px';
    buttonStyleObj.backgroundColor = 'rgba(255, 255, 255, 0.87)'
    buttonStyleObj.color = 'rgba(0, 0, 0, 0.76)'
    buttonStyleObj.fontSize = '14px';
  }
}

const formatDate = (dateObj) => {
  const year = dateObj.getFullYear();
  const month = dateObj.getMonth();
  const date = dateObj.getDate();
  const hour = dateObj.getHours();
  const minute = dateObj.getMinutes();
  return `Date: ${year}-${month + 1}-${date}[${hour}:${minute > 9 ? minute : '0' + minute}]`;
}

const AnnotationBoardId = {
  CONTAINER: 'annotation-container',
  TEXTAREA: 'annotation-textarea',
  BUTTON: 'annotation-button'
};

class Selection {
  constructor() {
    this.createAtStr = formatDate(new Date());
    this.selectionText = document.getSelection().toString();
  }
  concat() {
    return this.createAtStr + '\n' + `Content: \n${this.selectionText}`;
  }
  content(previousContent) {
    if (previousContent) {
      return previousContent + '\n' + '========' + '\n' + this.concat() + '\n';
    } else {
      return this.concat() + '\n';
    }
  }
  isEmpty() {
    return !this.selectionText;
  }
  static copyToClipboard(button, textarea) {
    document.getSelection().removeAllRanges();
    const range = document.createRange();
    range.selectNode(textarea);
    document.getSelection().addRange(range);
    try {
      document.execCommand('copy');
    } catch (err) {
      console.log('Oops, unable to copy');
    }
    document.getSelection().removeAllRanges();
  }
}

class Position {
  constructor(rect, offset) {
    this._left = (rect.left + (offset || 32)) + 'px';
    this._top = (rect.top + (offset || 16)) + 'px';
  }
  top() {
    return this._top;
  }
  left() {
    return this._left;
  }
}

class AnnotationTextArea {
  constructor() {
    this.container = document.createElement('div');
    this.container.id = AnnotationBoardId.CONTAINER;
    AnnotationBoardStyle.containerStyle(this.container.style);
    this.textarea = document.createElement('textarea');
    this.textarea.id = AnnotationBoardId.TEXTAREA;
    AnnotationBoardStyle.textareaStyle(this.textarea.style);
    this.saveBtn = document.createElement('button');
    this.saveBtn.innerHTML = '复制到剪贴板';
    this.saveBtn.id = AnnotationBoardId.BUTTON;
    AnnotationBoardStyle.saveButtonStyle(this.saveBtn.style);
    this.isShowing = false;
  }
  getPosition() {
    const focusNode = document.getSelection().focusNode;
    if (!focusNode) throw new Error('no selection, should not create node');
    const focusParentElement = focusNode.parentElement;
    return new Position(focusParentElement.getBoundingClientRect());
  }
  updateContainer() {
    try {
      const pos = this.getPosition();
      this.container.style.left = pos.left();
      this.container.style.top = pos.top();
    } catch (err) {
      console.error(err);
    }
  }
  updateSaveButton() {
    this.saveBtn.addEventListener('click', (event) => {
      Selection.copyToClipboard(this.saveBtn, this.textarea);
      createSnippet(this.textarea.value);
      this.hide();
    })
  }
  updateTextarea(selection) {
    this.textarea.value = selection.content(this.textarea.value);
  }
  show() {
    this.updateTextarea(new Selection());
    this.updateContainer();
    if (!this.isShowed) {
      this.container.appendChild(this.textarea);
      this.updateSaveButton();
      this.container.appendChild(this.saveBtn);
    }
    document.body.appendChild(this.container);
    this.isShowing = true;
    this.isShowed = true;
  }
  shouldShow() {
    return !this.isShowing && !(new Selection()).isEmpty();
  }
  hide() {
    this.isShowing = false;
    document.body.removeChild(this.container)
  }
  shouldHide(event) {
    const target = event && event.target;
    if (!target && this.iShowing) {
      return true;
    } else {
      const inContainer = event.target.id === AnnotationBoardId.CONTAINER;
      const inTextarea = event.target.id === AnnotationBoardId.TEXTAREA;
      const inButton = event.target.id === AnnotationBoardId.BUTTON;
      return !inContainer && !inTextarea && !inButton && this.isShowing;
    }
  }
  destory() {
    this.container.removeChild(this.saveBtn);
    this.saveBtn = null;
    this.container.removeChild(this.textarea);
    this.textarea = null;
    document.body.removeChild(this.container);
    this.container = null;
  }
}

class AnnotationBoard {
  constructor() {
    this.annotationTextArea = new AnnotationTextArea();
  }
  run() {
    this.eventBinding();
  }
  eventBinding() {
    window.addEventListener('mouseup', (event) => {
      this.handleMouseUp(event);
    }, false);
  }
  handleMouseUp(event) {
    if (this.annotationTextArea.shouldShow()) {
      this.annotationTextArea.show();
    } else if (this.annotationTextArea.shouldHide(event)) {
      this.annotationTextArea.hide();
    }
  }
}
const annotationBoard = new AnnotationBoard();
annotationBoard.run();