akkoma-fe/src/components/image_cropper/image_cropper.js
2019-02-15 13:34:33 -05:00

110 lines
2.7 KiB
JavaScript

import Cropper from 'cropperjs'
import Modal from '../modal/modal.vue'
import 'cropperjs/dist/cropper.css'
const ImageCropper = {
props: {
trigger: {
type: [String, Element],
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'
},
title: {
type: String
},
saveButtonLabel: {
type: String
}
},
data () {
return {
cropper: undefined,
dataUrl: undefined,
filename: undefined
}
},
components: {
Modal
},
computed: {
modalTitle () {
return this.title || this.$t('image_cropper.crop_picture')
},
modalSaveButtonLabel () {
return this.saveButtonLabel || this.$t('image_cropper.save')
}
},
methods: {
destroy () {
if (this.cropper) {
this.cropper.destroy()
}
this.$refs.input.value = ''
this.dataUrl = undefined
},
submit () {
this.$emit('submit', this.cropper, this.filename)
this.destroy()
},
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.$refs.input
if (fileInput.files != null && fileInput.files[0] != null) {
let reader = new FileReader()
reader.onload = (e) => {
this.dataUrl = e.target.result
}
reader.readAsDataURL(fileInput.files[0])
this.filename = fileInput.files[0].name || 'unknown'
this.$emit('changed', fileInput.files[0], 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)
},
beforeDestroy: 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