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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | import React, { useState, useEffect } from 'react' import { Box, Typography, Paper, IconButton, Button, Dialog, DialogTitle, DialogContent, DialogActions, CircularProgress, Alert, } from '@mui/material' import { PictureAsPdf, Download, Close, ZoomIn, ZoomOut, NavigateBefore, NavigateNext, } from '@mui/icons-material' import type { Document } from '../types' interface FilePreviewProps { document: Document onClose: () => void } export const FilePreview: React.FC<FilePreviewProps> = ({ document, onClose }) => { const [loading, setLoading] = useState(true) const [error, setError] = useState<string | null>(null) const [page, setPage] = useState(1) const [scale, setScale] = useState(1.0) const [numPages, setNumPages] = useState(0) useEffect(() => { setLoading(true) setError(null) setPage(1) setScale(1.0) // Simuler le chargement du PDF const timer = setTimeout(() => { setNumPages(3) // Simuler 3 pages setLoading(false) }, 1000) return () => clearTimeout(timer) }, [document]) const handleDownload = () => { if (document.previewUrl) { const link = window.document.createElement('a') link.href = document.previewUrl link.download = document.name link.click() } } const isPDF = document.mimeType.includes('pdf') || document.name.toLowerCase().endsWith('.pdf') if (!isPDF) { return ( <Paper sx={{ p: 3, mt: 2 }}> <Box display="flex" justifyContent="space-between" alignItems="center" mb={2}> <Typography variant="h6">{document.name}</Typography> <IconButton onClick={onClose} title="Fermer"> <Close /> </IconButton> </Box> <Alert severity="info"> Aperçu non disponible pour ce type de fichier ({document.functionalType || document.mimeType}) </Alert> </Paper> ) } return ( <Dialog open onClose={onClose} maxWidth="lg" fullWidth> <DialogTitle> <Box display="flex" justifyContent="space-between" alignItems="center"> <Box display="flex" alignItems="center" gap={1}> <PictureAsPdf color="error" /> <Typography variant="h6">{document.name}</Typography> </Box> <IconButton onClick={onClose} title="Fermer"> <Close /> </IconButton> </Box> </DialogTitle> <DialogContent dividers> {loading && ( <Box display="flex" justifyContent="center" alignItems="center" minHeight="400px"> <CircularProgress /> <Typography variant="body2" sx={{ ml: 2 }}> Chargement du PDF... </Typography> </Box> )} {error && ( <Alert severity="error" sx={{ mb: 2 }}> {error} </Alert> )} {!loading && !error && ( <Box> {/* Contrôles de navigation */} <Box display="flex" justifyContent="space-between" alignItems="center" mb={2}> <Box display="flex" alignItems="center" gap={1}> <Button variant="outlined" size="small" startIcon={<NavigateBefore />} onClick={() => setPage(prev => Math.max(prev - 1, 1))} disabled={page <= 1} > Précédent </Button> <Typography variant="body2"> Page {page} sur {numPages} </Typography> <Button variant="outlined" size="small" endIcon={<NavigateNext />} onClick={() => setPage(prev => Math.min(prev + 1, numPages))} disabled={page >= numPages} > Suivant </Button> </Box> <Box display="flex" alignItems="center" gap={1}> <Button variant="outlined" size="small" startIcon={<ZoomOut />} onClick={() => setScale(prev => Math.max(prev - 0.2, 0.5))} > Zoom - </Button> <Typography variant="body2"> {Math.round(scale * 100)}% </Typography> <Button variant="outlined" size="small" startIcon={<ZoomIn />} onClick={() => setScale(prev => Math.min(prev + 0.2, 2.0))} > Zoom + </Button> </Box> </Box> {/* Aperçu PDF avec viewer intégré */} <Box sx={{ border: '1px solid', borderColor: 'grey.300', borderRadius: 1, overflow: 'hidden', maxHeight: '70vh', display: 'flex', justifyContent: 'center', backgroundColor: 'grey.50' }}> {document.previewUrl ? ( <Box sx={{ width: '100%', height: '600px' }}> {/* Utiliser un viewer PDF intégré */} <iframe src={`${document.previewUrl}#toolbar=1&navpanes=1&scrollbar=1&page=1&view=FitH`} width="100%" height="100%" style={{ border: 'none', transform: `scale(${scale})`, transformOrigin: 'top left', width: `${100 / scale}%`, height: `${600 / scale}px` }} title={`Aperçu de ${document.name}`} onLoad={() => setLoading(false)} onError={() => { setError('Erreur de chargement du PDF') setLoading(false) }} /> </Box> ) : ( <Box display="flex" justifyContent="center" alignItems="center" minHeight="400px"> <Box textAlign="center"> <PictureAsPdf sx={{ fontSize: 64, color: 'error.main', mb: 2 }} /> <Typography variant="h6" gutterBottom> Aperçu PDF </Typography> <Typography variant="body2" color="text.secondary"> Le fichier PDF "{document.name}" a été uploadé avec succès. </Typography> <Typography variant="body2" color="text.secondary"> Taille: {(document.size / 1024 / 1024).toFixed(2)} MB </Typography> </Box> </Box> )} </Box> </Box> )} </DialogContent> <DialogActions> <Button onClick={onClose}> Fermer </Button> <Button variant="contained" startIcon={<Download />} onClick={handleDownload} disabled={!document.previewUrl} > Télécharger </Button> </DialogActions> </Dialog> ) } |