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import React, { Component } from 'react'
import { Link } from 'react-router-dom'
import { ReactSortable } from "react-sortablejs"
import { session } from 'app/session'
import actions from 'app/actions'
import { capitalize, preloadImage } from 'app/utils'
import { TextInput, LabelDescription, FileInputField, Select, TextArea, Checkbox, SubmitButton, Loader } from 'app/common'
import { renderThumbnail } from 'app/common/upload.helpers'
const DISPLAY_SIZE = 2000
const DISPLAY_QUALITY= 80
const THUMBNAIL_SIZE = 320
const THUMBNAIL_QUALITY = 80
export default class MediaGalleryForm extends Component {
state = {
loading: false,
}
constructor(props) {
super(props)
this.handleSelect = this.handleSelect.bind(this)
this.handleChange = this.handleChange.bind(this)
this.handleSettingsChange = this.handleSettingsChange.bind(this)
this.handleUpload = this.handleUpload.bind(this)
this.uploadSize = this.uploadSize.bind(this)
}
handleChange(e) {
const { name, value } = e.target
this.handleSelect(name, value)
}
handleSelect(name, value) {
this.props.onSelect(name, value)
}
handleSettingsChange(name, value) {
this.props.onSettingsChange(name, value)
}
handleUpload(files) {
const { data } = this.props
this.setState({ loading: true })
// first, upload all the fullsize files
let fullsizeUploadPromises = files.map(file => {
return this.uploadSize(file, 'fullsize')
})
// when these are done
Promise.all(fullsizeUploadPromises)
.then(results => {
// get the added IDs in order
const added_image_order = results.map(result => result.id)
// append the new IDs to the image order
const new_image_order = (data.settings.image_order || []).concat(added_image_order)
// add the images to the lookup
const image_lookup = results.reduce((a,b) => {
a[b.id] = b
return a
}, (data.settings.image_lookup || {}))
// add these images to the settings object
this.handleSettingsChange('multiple', {
image_order: new_image_order,
image_lookup: image_lookup,
thumbnail_lookup: data.settings.thumbnail_lookup || {},
})
// construct thumbnails and upload these
const thumbnailUploadPromises = files.map(file => {
return this.uploadThumbnail(file)
})
// once the thumbnails are done uploading
Promise.all(thumbnailUploadPromises)
.then(thumbnail_results => {
// add them to the thumbnail lookup, keyed off the ID of the fullsize image
const thumbnail_lookup = thumbnail_results.reduce((a, b, i) => {
const id = added_image_order[i]
a[id] = b
return a
}, (data.settings.thumbnail_lookup || {}))
// update the settings object
this.handleSettingsChange('multiple', {
thumbnail_lookup: thumbnail_lookup,
})
this.setState({ loading: false })
})
})
}
uploadThumbnail(file) {
return new Promise((resolve, reject) => {
const type = (file.name.match('.png') !== -1) ? 'image/png' : 'image/jpg'
const fr = new FileReader()
fr.onload = fileReaderEvent => {
fr.onload = null
const image = new Image()
image.onload = () => {
image.onload = null
const thumbnailCanvas = renderThumbnail(image, { maxSide: THUMBNAIL_SIZE })
thumbnailCanvas.toBlob(thumbnail => {
this.uploadSize(thumbnail, 'thumbnail', file.name)
.then(res => {
resolve(res)
})
.catch(err => {
reject(err)
})
}, type, THUMBNAIL_QUALITY)
}
image.src = fileReaderEvent.target.result
}
fr.readAsDataURL(file)
})
}
uploadSize(image, tag, fn) {
console.log('uploading size', tag)
const uploadData = {
image,
tag,
username: 'animism',
}
if (fn) {
uploadData['__image_filename'] = fn
}
// console.log(uploadData)
return actions.upload.upload(uploadData).then(data => {
// console.log(data)
return data.res
})
}
handleOrderChanged(image_order) {
console.log(image_order)
// if (image_order !== this.props.data.settings.image_order) {
// console.log('handle order chagned', image_order)
// this.handleSettingsChange('image_order', image_order)
// }
}
render() {
const { data } = this.props
const { image_order, image_lookup, thumbnail_lookup } = data.settings
// console.log(data)
return (
<div className='galleryForm'>
<FileInputField
multiple
title="Upload images"
mime="*/*"
onChange={this.handleUpload}
/>
{this.state.loading && <Loader />}
{image_order && image_order.length &&
<ReactSortable
list={image_order.map(id => ({ id }))}
setList={new_order => this.handleOrderChanged(new_order)}
>
{image_order.map(image_id => (
<GalleryImageForm
id={image_id}
key={image_id}
image={image_lookup[image_id]}
thumbnail={thumbnail_lookup[image_id]}
/>
))}
</ReactSortable>
}
</div>
)
}
}
const GalleryImageForm = ({ id, key, image, thumbnail }) => {
console.log(image, thumbnail)
return (
<div>
{thumbnail
? <img src={thumbnail.url} />
: <Loader />
}
</div>
)
}
/*
*/
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