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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | 5x 5x 5x 2x 1x 1x 2x 5x 5x 1x 1x 1x 1x 19x 19x 19x 19x 7x 12x 2x 2x 10x 9x 9x 1x 19x 19x 2x 2x 2x 2x 2x 9x 9x 1x 1x 9x 9x 9x 1x 2x 1x 1x 1x 1x 1x 1x 1x 7x 5x | /* Copyright © 2005-2017 Kuali, Inc. - All Rights Reserved
* You may use and modify this code under the terms of the Kuali, Inc.
* Pre-Release License Agreement. You may not distribute it.
*
* You should have received a copy of the Kuali, Inc. Pre-Release License
* Agreement with this file. If not, please write to license@kuali.co.
*/
import axios from 'axios'
import cookies from 'cookies-js'
import { includes } from 'lodash'
import Pdf from './pdf'
import React from 'react'
import { Dialog, FlatButton, Icon } from '@kuali/kuali-ui'
const imageSupportedContentTypes = ['image/jpeg', 'image/png', 'image/gif']
const pdfSupportedContentTypes = ['application/pdf']
export const DownloadButton = props => {
let onClick
if (window.navigator && window.navigator.msSaveOrOpenBlob) {
onClick = () => {
window.navigator.msSaveOrOpenBlob(props.blob, props.fileName)
}
}
return (
<FlatButton
href={props.url}
download={props.fileName || true}
component='a'
label='Download'
labelStyle={{ display: 'none' }}
onClick={onClick}
>
<Icon name='file_download' />
</FlatButton>
)
}
class AttachmentPreview extends React.Component {
constructor (props) {
super(props)
this.state = { page: 1, scale: 1, pages: 1 }
}
componentDidMount () {
const { url } = this.props
return axios
.get(url, {
headers: { Authorization: `Bearer ${cookies.get('authToken')}` },
responseType: 'blob'
})
.then(response => {
const objectUrl = URL.createObjectURL(response.data) // eslint-disable-line no-undef
this.setState({ url: objectUrl, blob: response.data })
})
}
render () {
const { url } = this.state
const { file, onClose } = this.props
let preview
let actions = []
if (!url) {
preview = this.renderLoading()
} else if (includes(imageSupportedContentTypes, file.contentType)) {
preview = this.renderImagePreview()
actions = this.imagePreviewActions()
} else if (includes(pdfSupportedContentTypes, file.contentType)) {
preview = this.renderPdfPreview()
actions = this.pdfPreviewActions()
} else {
preview = this.renderUnsupportedPreview()
}
actions.push(
<FlatButton onClick={onClose} label='Close'>
<Icon name='close' variant='warning' />
</FlatButton>
)
return (
<Dialog
visible
actions={actions}
style={{ paddingTop: 0 }}
title={file.fileName}
renderNode={document.body}
onHide={onClose}
>
{preview}
</Dialog>
)
}
renderImagePreview () {
const { url } = this.state
return (
<img
src={url}
style={{ maxWidth: '100%', height: 'auto', display: 'inline-block' }}
/>
)
}
imagePreviewActions () {
const { url, blob } = this.state
const { file } = this.props
return [
<span key='download'>
<DownloadButton url={url} blob={blob} fileName={file.fileName} />
</span>
]
}
renderPdfPreview () {
const { page, scale, url } = this.state
return (
<span>
<Pdf
file={url}
page={page}
scale={scale}
pdfUrl={this.props.pdfUrl}
onDocumentComplete={numPages => this.setState({ pages: numPages })}
onPageComplete={newPage => this.setState({ currentPage: newPage })}
/>
</span>
)
}
pdfPreviewActions () {
const { page, pages, scale, url, blob } = this.state
const { file } = this.props
return [
<span
key='pages'
style={{ height: '90px !important', minWidth: '375px' }}
>
<FlatButton
onClick={() => this.setState({ page: page - 1 })}
label='Previous Page'
labelStyle={{ display: 'none' }}
disabled={page === 1}
>
<Icon name='arrow_back' variant='success' />
</FlatButton>
Page
<input
type='text'
size='2'
value={page}
style={{ fontSize: 20 }}
onChange={e => {
if (e.target.value && !isNaN(Number(e.target.value))) {
this.setState({ page: Number(e.target.value) })
}
}}
/>
of {pages}
<FlatButton
onClick={() => this.setState({ page: page + 1 })}
label='Next Page'
labelStyle={{ display: 'none' }}
disabled={page >= pages}
iconBefore={false}
>
<Icon name='arrow_forward' variant='success' />
</FlatButton>
</span>,
<span key='zoom' style={{ minWidth: '250px' }}>
<FlatButton
onClick={() => this.setState({ scale: scale + 0.1 })}
label='Zoom In'
labelStyle={{ display: 'none' }}
>
<Icon name='add' />
</FlatButton>
<FlatButton
onClick={() => this.setState({ scale: scale - 0.1 })}
disabled={scale <= 0.2}
label='Zoom Out'
labelStyle={{ display: 'none' }}
>
<Icon name='remove' />
</FlatButton>
</span>,
<span key='download'>
<DownloadButton url={url} blob={blob} fileName={file.fileName} />
</span>
]
}
renderUnsupportedPreview () {
const { url, blob } = this.state
const { file } = this.props
return (
<div>
Unable to preview this attachment
<DownloadButton url={url} blob={blob} fileName={file.fileName} />
</div>
)
}
renderLoading () {
return <div>Loading...</div>
}
}
AttachmentPreview.propTypes = {
file: React.PropTypes.object.isRequired,
url: React.PropTypes.string.isRequired
}
export default AttachmentPreview
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