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Code Issues Releases Wiki Activity

Merge pull request #818 from asmsuechan/work-paste-image

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Make pasting an image in CodeEditor work
This commit is contained in:
SuenagaRyota
2017-08-23 13:05:28 +09:00
committed by GitHub
parent eb2994e3c2 b99c1e3b32
commit 1b16c68cf9
1 changed files with 27 additions and 0 deletions
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27
browser/components/CodeEditor.js
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@@ -3,6 +3,7 @@ import _ from 'lodash'
import CodeMirror from 'codemirror'
import path from 'path'
import copyImage from 'browser/main/lib/dataApi/copyImage'
import { findStorage } from 'browser/lib/findStorage'
CodeMirror.modeURL = '../node_modules/codemirror/mode/%N/%N.js'
@@ -39,6 +40,7 @@ export default class CodeEditor extends React.Component {
}
this.props.onBlur != null && this.props.onBlur(e)
}
this.pasteHandler = (editor, e) => this.handlePaste(editor, e)
this.loadStyleHandler = (e) => {
this.editor.refresh()
}
@@ -98,6 +100,7 @@ export default class CodeEditor extends React.Component {
this.editor.on('blur', this.blurHandler)
this.editor.on('change', this.changeHandler)
this.editor.on('paste', this.pasteHandler)
let editorTheme = document.getElementById('editorTheme')
editorTheme.addEventListener('load', this.loadStyleHandler)
@@ -106,6 +109,7 @@ export default class CodeEditor extends React.Component {
componentWillUnmount () {
this.editor.off('blur', this.blurHandler)
this.editor.off('change', this.changeHandler)
this.editor.off('paste', this.pasteHandler)
let editorTheme = document.getElementById('editorTheme')
editorTheme.removeEventListener('load', this.loadStyleHandler)
}
@@ -204,6 +208,29 @@ export default class CodeEditor extends React.Component {
cm.replaceSelection(`${textarea.value.substr(0, textarea.selectionStart)}${imageMd}${textarea.value.substr(textarea.selectionEnd)}`)
}
handlePaste (editor, e) {
const dataTransferItem = e.clipboardData.items[0]
if (!dataTransferItem.type.match('image')) return
const blob = dataTransferItem.getAsFile()
let reader = new FileReader()
let base64data
reader.readAsDataURL(blob)
reader.onloadend = () => {
base64data = reader.result.replace(/^data:image\/png;base64,/, '')
base64data += base64data.replace('+', ' ')
const binaryData = new Buffer(base64data, 'base64').toString('binary')
const imageName = Math.random().toString(36).slice(-16)
const storagePath = findStorage(this.props.storageKey).path
const imagePath = path.join(`${storagePath}`, 'images', `${imageName}.png`)
require('fs').writeFile(imagePath, binaryData, 'binary')
const imageMd = `![${imageName}](${path.join('/:storage', `${imageName}.png`)})`
this.insertImageMd(imageMd)
}
}
render () {
let { className, fontFamily, fontSize } = this.props
fontFamily = _.isString(fontFamily) && fontFamily.length > 0