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image_cropper.js
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image_cropper.js
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import Cropper from 'cropperjs'
import 'cropperjs/dist/cropper.css'
import { library } from '@fortawesome/fontawesome-svg-core'
import {
faCircleNotch
} from '@fortawesome/free-solid-svg-icons'
library.add(
faCircleNotch
)
const ImageCropper = {
props: {
trigger: {
type: [String, window.Element],
required: true
},
submitHandler: {
type: Function,
required: true
},
cropperOptions: {
type: Object,
default () {
return {
aspectRatio: 1,
autoCropArea: 1,
viewMode: 1,
movable: false,
zoomable: false,
guides: false
}
}
},
mimes: {
type: String,
default: 'image/png, image/gif, image/jpeg, image/bmp, image/x-icon'
},
saveButtonLabel: {
type: String
},
saveWithoutCroppingButtonlabel: {
type: String
},
cancelButtonLabel: {
type: String
}
},
data () {
return {
cropper: undefined,
dataUrl: undefined,
filename: undefined,
submitting: false
}
},
computed: {
saveText () {
return this.saveButtonLabel || this.$t('image_cropper.save')
},
saveWithoutCroppingText () {
return this.saveWithoutCroppingButtonlabel || this.$t('image_cropper.save_without_cropping')
},
cancelText () {
return this.cancelButtonLabel || this.$t('image_cropper.cancel')
}
},
methods: {
destroy () {
if (this.cropper) {
this.cropper.destroy()
}
this.$refs.input.value = ''
this.dataUrl = undefined
this.$emit('close')
},
submit (cropping = true) {
this.submitting = true
this.submitHandler(cropping && this.cropper, this.file)
.then(() => this.destroy())
.finally(() => {
this.submitting = false
})
},
pickImage () {
this.$refs.input.click()
},
createCropper () {
this.cropper = new Cropper(this.$refs.img, this.cropperOptions)
},
getTriggerDOM () {
return typeof this.trigger === 'object' ? this.trigger : document.querySelector(this.trigger)
},
readFile () {
const fileInput = this.$refs.input
if (fileInput.files != null && fileInput.files[0] != null) {
this.file = fileInput.files[0]
const reader = new window.FileReader()
reader.onload = (e) => {
this.dataUrl = e.target.result
this.$emit('open')
}
reader.readAsDataURL(this.file)
this.$emit('changed', this.file, reader)
}
}
},
mounted () {
// listen for click event on trigger
const trigger = this.getTriggerDOM()
if (!trigger) {
this.$emit('error', 'No image make trigger found.', 'user')
} else {
trigger.addEventListener('click', this.pickImage)
}
// listen for input file changes
const fileInput = this.$refs.input
fileInput.addEventListener('change', this.readFile)
},
beforeUnmount: function () {
// remove the event listeners
const trigger = this.getTriggerDOM()
if (trigger) {
trigger.removeEventListener('click', this.pickImage)
}
const fileInput = this.$refs.input
fileInput.removeEventListener('change', this.readFile)
}
}
export default ImageCropper

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image_cropper.js (3 KB)

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