import React, { Component } from 'react';
import { convertFromRaw, EditorState } from 'draft-js';

import Editor, { composeDecorators } from '@draft-js-plugins/editor';

import createResizeablePlugin from '@draft-js-plugins/resizeable';

import createFocusPlugin from '@draft-js-plugins/focus';
import createColorBlockPlugin from './colorBlockPlugin';
import editorStyles from './editorStyles.module.css';

const focusPlugin = createFocusPlugin();
const resizeablePlugin = createResizeablePlugin();

const decorator = composeDecorators(
  resizeablePlugin.decorator,
  focusPlugin.decorator
);

const colorBlockPlugin = createColorBlockPlugin({ decorator });
const plugins = [focusPlugin, resizeablePlugin, colorBlockPlugin];

/* eslint-disable */
const initialState = {
  entityMap: {
    0: {
      type: 'colorBlock',
      mutability: 'IMMUTABLE',
      data: {},
    },
  },
  blocks: [
    {
      key: '9gm3s',
      text:
        'This is a simple example. Hover the block and change the with by dragging the mouse.',
      type: 'unstyled',
      depth: 0,
      inlineStyleRanges: [],
      entityRanges: [],
      data: {},
    },
    {
      key: 'ov7r',
      text: ' ',
      type: 'atomic',
      depth: 0,
      inlineStyleRanges: [],
      entityRanges: [
        {
          offset: 0,
          length: 1,
          key: 0,
        },
      ],
      data: {},
    },
    {
      key: 'e23a8',
      text: 'More text here …',
      type: 'unstyled',
      depth: 0,
      inlineStyleRanges: [],
      entityRanges: [],
      data: {},
    },
  ],
};
/* eslint-enable */

export default class SimpleResizeableEditor extends Component {
  state = {
    editorState: EditorState.createWithContent(convertFromRaw(initialState)),
  };

  onChange = (editorState) => {
    this.setState({
      editorState,
    });
  };

  focus = () => {
    this.editor.focus();
  };

  render() {
    return (
      <div>
        <div className={editorStyles.editor} onClick={this.focus}>
          <Editor
            editorState={this.state.editorState}
            onChange={this.onChange}
            plugins={plugins}
            ref={(element) => {
              this.editor = element;
            }}
          />
        </div>
      </div>
    );
  }
}

import React from 'react';

const ColorBlock = React.forwardRef(
  (
    {
      block, // eslint-disable-line no-unused-vars
      blockProps, // eslint-disable-line no-unused-vars
      customStyleMap, // eslint-disable-line no-unused-vars
      customStyleFn, // eslint-disable-line no-unused-vars
      decorator, // eslint-disable-line no-unused-vars
      forceSelection, // eslint-disable-line no-unused-vars
      offsetKey, // eslint-disable-line no-unused-vars
      selection, // eslint-disable-line no-unused-vars
      tree, // eslint-disable-line no-unused-vars
      contentState, // eslint-disable-line no-unused-vars
      blockStyleFn, // eslint-disable-line no-unused-vars
      preventScroll, // eslint-disable-line no-unused-vars
      style,
      ...elementProps
    },
    ref
  ) => (
    <div
      ref={ref}
      {...elementProps}
      style={{ width: 200, height: 80, backgroundColor: '#9bc0c7', ...style }}
    />
  )
);

const createColorBlockPlugin = (config = {}) => {
  const component = config.decorator
    ? config.decorator(ColorBlock)
    : ColorBlock;
  return {
    blockRendererFn: (block, { getEditorState }) => {
      if (block.getType() === 'atomic') {
        const contentState = getEditorState().getCurrentContent();
        const entity = contentState.getEntity(block.getEntityAt(0));
        const type = entity.getType();
        if (type === 'colorBlock') {
          return {
            component,
            editable: false,
          };
        }
      }
      return null;
    },
  };
};
ColorBlock.displayName = 'ColorBlock';

export default createColorBlockPlugin;

.editor {
  box-sizing: border-box;
  border: 1px solid #ddd;
  cursor: text;
  padding: 16px;
  border-radius: 2px;
  margin-bottom: 2em;
  box-shadow: inset 0px 1px 8px -3px #ABABAB;
  background: #fefefe;
}

.editor :global(.public-DraftEditor-content) {
  min-height: 140px;
}

.options {
  margin-bottom: 20px;
}