all files / src/js/base/module/ Clipboard.js

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import lists from '../core/lists';
 
export default class Clipboard {
  constructor(context) {
    this.context = context;
    this.$editable = context.layoutInfo.editable;
  }
 
  initialize() {
    this.$editable.on('paste', this.pasteByEvent.bind(this));
  }
 
  /**
   * paste by clipboard event
   *
   * @param {Event} event
   */
  pasteByEvent(event) {
    const clipboardData = event.originalEvent.clipboardData;
    if (clipboardData && clipboardData.items && clipboardData.items.length) {
      const item = lists.head(clipboardData.items);
      if (item.kind === 'file' && item.type.indexOf('image/') !== -1) {
        this.context.invoke('editor.insertImagesOrCallback', [item.getAsFile()]);
      }
      this.context.invoke('editor.afterCommand');
    }
  }
}