ckeditor從谷歌文檔粘貼刪除樣式

Question

當我從谷歌文檔複製文本，並粘貼到ckeditor使用粘貼從單詞按鈕它刪除所有的樣式（粗體，斜體，...）。
我該如何解決這個問題？

重現步驟：
複製Google文檔中帶有下劃線和斜體的單詞將其粘貼到編輯器中。
預期結果：
該詞以斜體和下劃線表示。
實際結果：
該單詞是粗體，沒有下劃線或斜體被發現。

Answer 1

添加以下行中config.js：

config.pasteFromWordRemoveFontStyles = false; 
config.pasteFromWordRemoveStyles = false; 

然後使用 「粘貼從Word」 按鈕（下面標記），直接使用CTRL+V或CMD+V不糊。

Answer 2

我張貼我的情況下，它的解決方案可以幫助別人。 我從GoogleDocs粘貼時遇到了同樣的問題。 我發現有人在github（13877）中修改了CKEditor的一個分支，從而解決了這個問題。

因爲我需要它與我的4.5.6版本一起工作，所以我將它調整爲一個插件。 我已經完成了這項工作與Processwire，我不能改變CKEditor版本，並只在這種情況下進行了測試。

• pasteFromGoogleDoc（文件夾）
  • plugin.js

內容plugin.js的：

  /** 
     * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved. 
     * For licensing, see LICENSE.md or http://ckeditor.com/license 

     * 2017-07-05 
     * the code originally from Frederico Knabben, written in ckeditor-dev-t-13877 branch 
     * (https://github.com/cksource/ckeditor-dev/tree/t/13877) 
     * has been adapted in a plugin by Rpapier for use in Processwire. It hasn't been tested elsewhere. 

     * DESCRIPTION 
     * Filter to paste from Google Doc and keep style (bold, italic, underline) 
     * Those style must be present in the toolbar for it to show, otherwise, it will bypass it 

     * For processwire : 
     * you must edit the field that has CKEditor and make sure that : 
     * - ACF is On 
     * - pasteFromGoogleDoc plugin is enabled 
     * - CKEditor toolbar configuration contains Bold, Italic and Underline 
     *  - e.g : Format, Styles, -, Bold, Italic, Underline, -, RemoveFormat 
     *  if Underline is not in the toolbar for example, it will be bypassed by the filter. 
     */ 

     (function() { 
      'use strict'; 

      CKEDITOR.plugins.add('pasteFromGoogleDoc', { 
       requires: ['clipboard'], 

       init: function(editor) { 
        // === arteractive hack for pasteFromGoogleDoc 

        var filterType, 
         filtersFactory = filtersFactoryFactory(); 

        if (editor.config.forcePasteAsPlainText) { 
         filterType = 'plain-text'; 
        } else if (editor.config.pasteFilter) { 
         filterType = editor.config.pasteFilter; 
        } 
        // On Webkit the pasteFilter defaults to 'webkit-default-filter' because pasted data is so terrible 
        // that it must be always filtered. (#13877) 
        else if (CKEDITOR.env.webkit && !('pasteFilter' in editor.config)) { 
         filterType = 'webkit-default-filter'; 
        } 

        //console.log(filterType); 
        editor.pasteFilter = filtersFactory.get(filterType); 



        editor.on('paste', function(evt) { 
         // Init `dataTransfer` if `paste` event was fired without it, so it will be always available. 
         if (!evt.data.dataTransfer) { 
          evt.data.dataTransfer = new CKEDITOR.plugins.clipboard.dataTransfer(); 
         } 

         // If dataValue is already set (manually or by paste bin), so do not override it. 
         if (evt.data.dataValue) { 
          return; 
         } 

         var dataTransfer = evt.data.dataTransfer, 
          // IE support only text data and throws exception if we try to get html data. 
          // This html data object may also be empty if we drag content of the textarea. 
          value = dataTransfer.getData('text/html'); 

         if (value) { 
          evt.data.dataValue = value; 
          evt.data.type = 'html'; 
         } else { 
          // Try to get text data otherwise. 
          value = dataTransfer.getData('text/plain'); 

          if (value) { 
           evt.data.dataValue = editor.editable().transformPlainTextToHtml(value); 
           evt.data.type = 'text'; 
          } 
         } 
        }, null, null, 1); 


        editor.on('paste', function(evt) { 
         var dataObj = evt.data, 
          type = dataObj.type, 
          data = dataObj.dataValue, 
          trueType, 
          // Default is 'html'. 
          defaultType = editor.config.clipboard_defaultContentType || 'html', 
          transferType = dataObj.dataTransfer.getTransferType(editor); 

         // If forced type is 'html' we don't need to know true data type. 
         if (type == 'html' || dataObj.preSniffing == 'html') { 
          trueType = 'html'; 
         } else { 
          trueType = recogniseContentType(data); 
         } 

         // Unify text markup. 
         if (trueType == 'htmlifiedtext') { 
          data = htmlifiedTextHtmlification(editor.config, data); 
         } 

         // Strip presentational markup & unify text markup. 
         // Forced plain text (dialog or forcePAPT). 
         // Note: we do not check dontFilter option in this case, because forcePAPT was implemented 
         // before pasteFilter and pasteFilter is automatically used on Webkit&Blink since 4.5, so 
         // forcePAPT should have priority as it had before 4.5. 
         if (type == 'text' && trueType == 'html') { 
          data = filterContent(editor, data, filtersFactory.get('plain-text')); 
         } 
         // External paste and pasteFilter exists and filtering isn't disabled. 
         else if (transferType == CKEDITOR.DATA_TRANSFER_EXTERNAL && editor.pasteFilter && !dataObj.dontFilter) { 

          // 2017-07-05 comment out this filter because it is already processsed somewhere... 
          //data = filterContent(editor, data, editor.pasteFilter); 
          //console.log(data); 
         } 

         if (dataObj.startsWithEOL) { 
          data = '<br data-cke-eol="1">' + data; 
         } 
         if (dataObj.endsWithEOL) { 
          data += '<br data-cke-eol="1">'; 
         } 

         if (type == 'auto') { 
          type = (trueType == 'html' || defaultType == 'html') ? 'html' : 'text'; 
         } 

         dataObj.type = type; 
         dataObj.dataValue = data; 
         delete dataObj.preSniffing; 
         delete dataObj.startsWithEOL; 
         delete dataObj.endsWithEOL; 




        /* evt.data.dataValue = data; 

         evt.data.dataValue = evt.data.dataValue 
          .replace(/zooterkins/gi, 'z********s') 
          .replace(/gadzooks/gi, 'g******s');*/ 

        }, null, null, 6);    

       } 
      });  

      function filterContent(editor, data, filter) { 
       var fragment = CKEDITOR.htmlParser.fragment.fromHtml(data), 
        writer = new CKEDITOR.htmlParser.basicWriter(); 

       filter.applyTo(fragment, true, false, editor.activeEnterMode); 
       fragment.writeHtml(writer); 

       return writer.getHtml(); 
      } 



      // Returns: 
      // * 'htmlifiedtext' if content looks like transformed by browser from plain text. 
      //  See clipboard/paste.html TCs for more info. 
      // * 'html' if it is not 'htmlifiedtext'. 
      function recogniseContentType(data) { 
       if (CKEDITOR.env.webkit) { 
        // Plain text or (<div><br></div> and text inside <div>). 
        if (!data.match(/^[^<]*$/g) && !data.match(/^(<div><br(?\/)?><\/div>|<div>[^<]*<\/div>)*$/gi)) 
         return 'html'; 
       } else if (CKEDITOR.env.ie) { 
        // Text and <br> or (text and <br> in <p> - paragraphs can be separated by new \r\n). 
        if (!data.match(/^([^<]|<br(?\/)?>)*$/gi) && !data.match(/^(<p>([^<]|<br(?\/)?>)*<\/p>|(\r\n))*$/gi)) 
         return 'html'; 
       } else if (CKEDITOR.env.gecko) { 
        // Text or <br>. 
        if (!data.match(/^([^<]|<br(?\/)?>)*$/gi)) 
         return 'html'; 
       } else { 
        return 'html'; 
       } 

       return 'htmlifiedtext'; 
      } 


      // This function transforms what browsers produce when 
      // pasting plain text into editable element (see clipboard/paste.html TCs 
      // for more info) into correct HTML (similar to that produced by text2Html). 
      function htmlifiedTextHtmlification(config, data) { 
       function repeatParagraphs(repeats) { 
        // Repeat blocks floor((n+1)/2) times. 
        // Even number of repeats - add <br> at the beginning of last <p>. 
        return CKEDITOR.tools.repeat('</p><p>', ~~(repeats/2)) + (repeats % 2 == 1 ? '<br>' : ''); 
       } 

        // Replace adjacent white-spaces (EOLs too - Fx sometimes keeps them) with one space. 
       data = data.replace(/\s+/g, ' ') 
        // Remove spaces from between tags. 
        .replace(/> +</g, '><') 
        // Normalize XHTML syntax and upper cased <br> tags. 
        .replace(/<br ?\/>/gi, '<br>'); 

       // IE - lower cased tags. 
       data = data.replace(/<\/?[A-Z]+>/g, function(match) { 
        return match.toLowerCase(); 
       }); 

       // Don't touch single lines (no <br|p|div>) - nothing to do here. 
       if (data.match(/^[^<]$/)) 
        return data; 

       // Webkit. 
       if (CKEDITOR.env.webkit && data.indexOf('<div>') > -1) { 
         // One line break at the beginning - insert <br> 
        data = data.replace(/^(<div>(<br>|)<\/div>)(?!$|(<div>(<br>|)<\/div>))/g, '<br>') 
         // Two or more - reduce number of new lines by one. 
         .replace(/^(<div>(<br>|)<\/div>){2}(?!$)/g, '<div></div>'); 

        // Two line breaks create one paragraph in Webkit. 
        if (data.match(/<div>(<br>|)<\/div>/)) { 
         data = '<p>' + data.replace(/(<div>(<br>|)<\/div>)+/g, function(match) { 
          return repeatParagraphs(match.split('</div><div>').length + 1); 
         }) + '</p>'; 
        } 

        // One line break create br. 
        data = data.replace(/<\/div><div>/g, '<br>'); 

        // Remove remaining divs. 
        data = data.replace(/<\/?div>/g, ''); 
       } 

       // Opera and Firefox and enterMode != BR. 
       if (CKEDITOR.env.gecko && config.enterMode != CKEDITOR.ENTER_BR) { 
        // Remove bogus <br> - Fx generates two <brs> for one line break. 
        // For two line breaks it still produces two <brs>, but it's better to ignore this case than the first one. 
        if (CKEDITOR.env.gecko) 
         data = data.replace(/^<br><br>$/, '<br>'); 

        // This line satisfy edge case when for Opera we have two line breaks 
        //data = data.replace(/) 

        if (data.indexOf('<br><br>') > -1) { 
         // Two line breaks create one paragraph, three - 2, four - 3, etc. 
         data = '<p>' + data.replace(/(<br>){2,}/g, function(match) { 
          return repeatParagraphs(match.length/4); 
         }) + '</p>'; 
        } 
       } 

       return switchEnterMode(config, data); 
      } 


      function filtersFactoryFactory() { 
       var filters = {}; 

       // GDocs generates many spans and divs, therefore `all` parameter is used 
       // to create default filter in Webkit/Blink. (#13877) 
       function setUpTags(all) { 
        var tags = {}; 

        for (var tag in CKEDITOR.dtd) { 
         if (tag.charAt(0) != '$' && (all || tag != 'div' && tag != 'span')) { 
          tags[ tag ] = 1; 
         } 
        } 

        return tags; 
       } 

       // Checks if content is pasted from Google Docs. 
       // Google Docs wraps everything in element with [id^=docs-internal-guid-], 
       // so that function just checks if such element exists. (#13877) 
       function isPastedFromGDocs(element) { 
        if (element.attributes.id && element.attributes.id.match(/^docs\-internal\-guid\-/)) { 
         return true; 
        } else if (element.parent && element.parent.name) { 
         return isPastedFromGDocs(element.parent); 
        } 

        return false; 
       } 

       // Process data from Google Docs: 
       // * turns `*[id^=docs-internal-guid-]` into `span`; 
       // * turns `span(text-decoration=underline)` into `u`; 
       // * turns `span(font-style=italic)` into `em` 
       // * turns `span(font-style=italic)(text-decoration=underline)` into `u > em`. (#13877) 
       // 
       function processDataFromGDocs(element) { 

        var styles = element.attributes.style && CKEDITOR.tools.parseCssText(element.attributes.style); 

        if (element.attributes.id && element.attributes.id.match(/^docs\-internal\-guid\-/)) { 
         return element.name = 'span';    
        } 

        if (!styles) { 
         return; 
        } 

        if (styles[ 'font-style' ] == 'italic' && styles[ 'text-decoration' ] == 'underline') { 
         element.name = 'em'; 
         element.wrapWith(new CKEDITOR.htmlParser.element('u'));  
         if (styles[ 'font-weight' ] > 400) { 
          element.wrapWith(new CKEDITOR.htmlParser.element('strong'));  
         }     
        } else if (styles[ 'text-decoration' ] == 'underline') { 
         element.name = 'u';  
         if (styles[ 'font-weight' ] > 400) { 
          element.wrapWith(new CKEDITOR.htmlParser.element('strong'));       
         }     
        } else if (styles[ 'font-style' ] == 'italic') { 
         element.name = 'em';  
         if (styles[ 'font-weight' ] > 400) { 
          element.wrapWith(new CKEDITOR.htmlParser.element('strong'));       
         }    
        } 
       } 

       function createSemanticContentFilter() { 
        var filter = new CKEDITOR.filter(); 

        filter.allow({ 
         $1: { 
          elements: setUpTags(), 
          attributes: true, 
          styles: false, 
          classes: false 
         } 
        }); 

        return filter; 
       } 

       function createWebkitDefaultFilter() { 
        var filter = createSemanticContentFilter(); 

        // Preserves formatting while pasting from Google Docs in Webkit/Blink 
        // with default paste filter. (#13877) 
        filter.allow({ 
         $2: { 
          elements: setUpTags(true), 
          attributes: true, 
          styles: true, 
          match: function(element) { 
           return isPastedFromGDocs(element); 
          } 
         } 
        }); 

        filter.addElementCallback(processDataFromGDocs); 

        return filter; 
       } 

       return { 
        get: function(type) { 
         if (type == 'plain-text') { 
          // Does this look confusing to you? Did we forget about enter mode? 
          // It is a trick that let's us creating one filter for edidtor, regardless of its 
          // activeEnterMode (which as the name indicates can change during runtime). 
          // 
          // How does it work? 
          // The active enter mode is passed to the filter.applyTo method. 
          // The filter first marks all elements except <br> as disallowed and then tries to remove 
          // them. However, it cannot remove e.g. a <p> element completely, because it's a basic structural element, 
          // so it tries to replace it with an element created based on the active enter mode, eventually doing nothing. 
          // 
          // Now you can sleep well. 
          return filters.plainText || (filters.plainText = new CKEDITOR.filter('br')); 
         } else if (type == 'semantic-content') { 
          return filters.semanticContent || (filters.semanticContent = createSemanticContentFilter()); 
         } else if (type == 'webkit-default-filter') { 
          // Webkit based browsers need semantic filter, because they produce terrible HTML without it. 
          // However original `'semantic-content'` filer is too strict and prevents pasting styled contents 
          // from many sources (e.g. Google Docs). Therefore that type extends original `'semantic-content'` filter. (#13877) 
          return filters.webkitDefaultFilter || (filters.webkitDefaultFilter = createWebkitDefaultFilter()); 
         } else if (type) { 
          // Create filter based on rules (string or object). 
          return new CKEDITOR.filter(type); 
         } 

         return null; 
        } 
       }; 
      } 


      function switchEnterMode(config, data) { 
       if (config.enterMode == CKEDITOR.ENTER_BR) { 
        data = data.replace(/(<\/p><p>)+/g, function(match) { 
         return CKEDITOR.tools.repeat('<br>', match.length/7 * 2); 
        }).replace(/<\/?p>/g, ''); 
       } else if (config.enterMode == CKEDITOR.ENTER_DIV) { 
        data = data.replace(/<(\/)?p>/g, '<$1div>'); 
       } 

       return data; 
      } 


     })();