when dropping an image, switch to editor and add it at the end of the file

browser/components/MarkdownEditor.js

@@ -7,6 +7,7 @@ import MarkdownPreview from 'browser/components/MarkdownPreview'
 import eventEmitter from 'browser/main/lib/eventEmitter'
 import { findStorage } from 'browser/lib/findStorage'
 import ConfigManager from 'browser/main/lib/ConfigManager'
+import attachmentManagement from 'browser/main/lib/dataApi/attachmentManagement'
 
 class MarkdownEditor extends React.Component {
   constructor (props) {
@@ -219,6 +220,28 @@ class MarkdownEditor extends React.Component {
     this.refs.code.editor.replaceSelection(`${mdElement}${this.refs.code.editor.getSelection()}${mdElement}`)
   }
 
+  handleDropImage (dropEvent) {
+    dropEvent.preventDefault()
+    const { storageKey, noteKey } = this.props
+
+    this.setState({
+        status: 'CODE'
+      }, () => {
+        this.refs.code.focus()
+
+        this.refs.code.editor.execCommand('goDocEnd')
+        this.refs.code.editor.execCommand('goLineEnd')
+        this.refs.code.editor.execCommand('newlineAndIndent')
+
+        attachmentManagement.handleAttachmentDrop(
+          this.refs.code,
+          storageKey,
+          noteKey,
+          dropEvent
+        )
+      })
+  }
+
   handleKeyUp (e) {
     const keyPressed = this.state.keyPressed
     keyPressed.delete(e.keyCode)
@@ -308,6 +331,7 @@ class MarkdownEditor extends React.Component {
           customCSS={config.preview.customCSS}
           allowCustomCSS={config.preview.allowCustomCSS}
           lineThroughCheckbox={config.preview.lineThroughCheckbox}
+          onDrop={(e) => this.handleDropImage(e)}
         />
       </div>
     )