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-rw-r--r--client/common/uploadImage.component.js47
1 files changed, 47 insertions, 0 deletions
diff --git a/client/common/uploadImage.component.js b/client/common/uploadImage.component.js
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+++ b/client/common/uploadImage.component.js
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+import React, { Component } from 'react'
+
+import { renderThumbnail } from './upload.helpers'
+
+export default class UploadImageComponent extends Component {
+ upload(e) {
+ const files = e.dataTransfer ? e.dataTransfer.files : e.target.files
+ let i
+ let file
+ for (i = 0; i < files.length; i++) {
+ file = files[i]
+ if (file && file.type.match('image.*')) break
+ }
+ if (!file) return
+ const fr = new FileReader()
+ fr.onload = fileReaderEvent => {
+ fr.onload = null
+ const img = new Image()
+ img.onload = () => {
+ img.onload = null
+ this.resizeAndUpload(img)
+ }
+ img.src = fileReaderEvent.target.result
+ }
+ fr.readAsDataURL(files[0])
+ }
+
+ resizeAndUpload(img) {
+ const canvas = renderThumbnail(img)
+ canvas.toBlob(blob => {
+ // console.log(blob)
+ this.props.onUpload(blob)
+ }, 'image/jpeg', 80)
+ }
+
+ render() {
+ return (
+ <input
+ type="file"
+ name="img"
+ accept="image/*"
+ onChange={this.upload.bind(this)}
+ required
+ />
+ )
+ }
+}