mirror of
https://github.com/Frooodle/Stirling-PDF.git
synced 2025-09-26 17:52:59 +02:00
Set up
This commit is contained in:
Reece Browne
parent
11d23a2d43
commit
83a3222cf6
@ -13,6 +13,7 @@
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<link rel="manifest" href="/manifest.json" />
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<link rel="manifest" href="/manifest.json" />
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<title>Stirling PDF</title>
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<title>Stirling PDF</title>
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<!-- EmbedPDF is imported dynamically in Viewer component -->
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</head>
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</head>
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<body>
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<body>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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297
frontend/package-lock.json
generated
297
frontend/package-lock.json
generated
@ -10,6 +10,14 @@
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"license": "SEE LICENSE IN https://raw.githubusercontent.com/Stirling-Tools/Stirling-PDF/refs/heads/main/proprietary/LICENSE",
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"license": "SEE LICENSE IN https://raw.githubusercontent.com/Stirling-Tools/Stirling-PDF/refs/heads/main/proprietary/LICENSE",
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"dependencies": {
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"dependencies": {
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"@embedpdf/core": "^1.1.1",
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"@embedpdf/engines": "^1.1.1",
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@ -596,6 +604,144 @@
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},
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"peerDependencies": {
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@ -1619,9 +1765,9 @@
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@ -3404,14 +3550,13 @@
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@ -3421,7 +3566,6 @@
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|
||||||
@ -3470,25 +3611,70 @@
|
|||||||
"version": "2.0.2",
|
"version": "2.0.2",
|
||||||
"resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
|
"resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
|
||||||
"integrity": "sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==",
|
"integrity": "sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==",
|
||||||
"dev": true,
|
|
||||||
"license": "MIT"
|
"license": "MIT"
|
||||||
},
|
},
|
||||||
"node_modules/@vue/compiler-ssr": {
|
"node_modules/@vue/compiler-ssr": {
|
||||||
"version": "3.5.19",
|
"version": "3.5.21",
|
||||||
"resolved": "https://registry.npmjs.org/@vue/compiler-ssr/-/compiler-ssr-3.5.19.tgz",
|
"resolved": "https://registry.npmjs.org/@vue/compiler-ssr/-/compiler-ssr-3.5.21.tgz",
|
||||||
"integrity": "sha512-/wx0VZtkWOPdiQLWPeQeqpHWR/LuNC7bHfSX7OayBTtUy8wur6vT6EQIX6Et86aED6J+y8tTw43qo2uoqGg5sw==",
|
"integrity": "sha512-vKQ5olH5edFZdf5ZrlEgSO1j1DMA4u23TVK5XR1uMhvwnYvVdDF0nHXJUblL/GvzlShQbjhZZ2uvYmDlAbgo9w==",
|
||||||
"dev": true,
|
|
||||||
"license": "MIT",
|
"license": "MIT",
|
||||||
"dependencies": {
|
"dependencies": {
|
||||||
"@vue/compiler-dom": "3.5.19",
|
"@vue/compiler-dom": "3.5.21",
|
||||||
"@vue/shared": "3.5.19"
|
"@vue/shared": "3.5.21"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"node_modules/@vue/reactivity": {
|
||||||
|
"version": "3.5.21",
|
||||||
|
"resolved": "https://registry.npmjs.org/@vue/reactivity/-/reactivity-3.5.21.tgz",
|
||||||
|
"integrity": "sha512-3ah7sa+Cwr9iiYEERt9JfZKPw4A2UlbY8RbbnH2mGCE8NwHkhmlZt2VsH0oDA3P08X3jJd29ohBDtX+TbD9AsA==",
|
||||||
|
"license": "MIT",
|
||||||
|
"peer": true,
|
||||||
|
"dependencies": {
|
||||||
|
"@vue/shared": "3.5.21"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"node_modules/@vue/runtime-core": {
|
||||||
|
"version": "3.5.21",
|
||||||
|
"resolved": "https://registry.npmjs.org/@vue/runtime-core/-/runtime-core-3.5.21.tgz",
|
||||||
|
"integrity": "sha512-+DplQlRS4MXfIf9gfD1BOJpk5RSyGgGXD/R+cumhe8jdjUcq/qlxDawQlSI8hCKupBlvM+3eS1se5xW+SuNAwA==",
|
||||||
|
"license": "MIT",
|
||||||
|
"peer": true,
|
||||||
|
"dependencies": {
|
||||||
|
"@vue/reactivity": "3.5.21",
|
||||||
|
"@vue/shared": "3.5.21"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"node_modules/@vue/runtime-dom": {
|
||||||
|
"version": "3.5.21",
|
||||||
|
"resolved": "https://registry.npmjs.org/@vue/runtime-dom/-/runtime-dom-3.5.21.tgz",
|
||||||
|
"integrity": "sha512-3M2DZsOFwM5qI15wrMmNF5RJe1+ARijt2HM3TbzBbPSuBHOQpoidE+Pa+XEaVN+czbHf81ETRoG1ltztP2em8w==",
|
||||||
|
"license": "MIT",
|
||||||
|
"peer": true,
|
||||||
|
"dependencies": {
|
||||||
|
"@vue/reactivity": "3.5.21",
|
||||||
|
"@vue/runtime-core": "3.5.21",
|
||||||
|
"@vue/shared": "3.5.21",
|
||||||
|
"csstype": "^3.1.3"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"node_modules/@vue/server-renderer": {
|
||||||
|
"version": "3.5.21",
|
||||||
|
"resolved": "https://registry.npmjs.org/@vue/server-renderer/-/server-renderer-3.5.21.tgz",
|
||||||
|
"integrity": "sha512-qr8AqgD3DJPJcGvLcJKQo2tAc8OnXRcfxhOJCPF+fcfn5bBGz7VCcO7t+qETOPxpWK1mgysXvVT/j+xWaHeMWA==",
|
||||||
|
"license": "MIT",
|
||||||
|
"peer": true,
|
||||||
|
"dependencies": {
|
||||||
|
"@vue/compiler-ssr": "3.5.21",
|
||||||
|
"@vue/shared": "3.5.21"
|
||||||
|
},
|
||||||
|
"peerDependencies": {
|
||||||
|
"vue": "3.5.21"
|
||||||
}
|
}
|
||||||
},
|
},
|
||||||
"node_modules/@vue/shared": {
|
"node_modules/@vue/shared": {
|
||||||
"version": "3.5.19",
|
"version": "3.5.21",
|
||||||
"resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.5.19.tgz",
|
"resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.5.21.tgz",
|
||||||
"integrity": "sha512-IhXCOn08wgKrLQxRFKKlSacWg4Goi1BolrdEeLYn6tgHjJNXVrWJ5nzoxZqNwl5p88aLlQ8LOaoMa3AYvaKJ/Q==",
|
"integrity": "sha512-+2k1EQpnYuVuu3N7atWyG3/xoFWIVJZq4Mz8XNOdScFI0etES75fbny/oU4lKWk/577P1zmg0ioYvpGEDZ3DLw==",
|
||||||
"dev": true,
|
|
||||||
"license": "MIT"
|
"license": "MIT"
|
||||||
},
|
},
|
||||||
"node_modules/abbrev": {
|
"node_modules/abbrev": {
|
||||||
@ -5644,6 +5830,15 @@
|
|||||||
"dev": true,
|
"dev": true,
|
||||||
"license": "MIT"
|
"license": "MIT"
|
||||||
},
|
},
|
||||||
|
"node_modules/hammerjs": {
|
||||||
|
"version": "2.0.8",
|
||||||
|
"resolved": "https://registry.npmjs.org/hammerjs/-/hammerjs-2.0.8.tgz",
|
||||||
|
"integrity": "sha512-tSQXBXS/MWQOn/RKckawJ61vvsDpCom87JgxiYdGwHdOa0ht0vzUWDlfioofFCRU0L+6NGDt6XzbgoJvZkMeRQ==",
|
||||||
|
"license": "MIT",
|
||||||
|
"engines": {
|
||||||
|
"node": ">=0.8.0"
|
||||||
|
}
|
||||||
|
},
|
||||||
"node_modules/has-flag": {
|
"node_modules/has-flag": {
|
||||||
"version": "4.0.0",
|
"version": "4.0.0",
|
||||||
"resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
|
"resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
|
||||||
@ -6940,12 +7135,12 @@
|
|||||||
}
|
}
|
||||||
},
|
},
|
||||||
"node_modules/magic-string": {
|
"node_modules/magic-string": {
|
||||||
"version": "0.30.17",
|
"version": "0.30.19",
|
||||||
"resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.17.tgz",
|
"resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.19.tgz",
|
||||||
"integrity": "sha512-sNPKHvyjVf7gyjwS4xGTaW/mCnF8wnjtifKBEhxfZ7E/S8tQ0rssrwGNn6q8JH/ohItJfSQp9mBtQYuTlH5QnA==",
|
"integrity": "sha512-2N21sPY9Ws53PZvsEpVtNuSW+ScYbQdp4b9qUaL+9QkHUrGFKo56Lg9Emg5s9V/qrtNBmiR01sYhUOwu3H+VOw==",
|
||||||
"license": "MIT",
|
"license": "MIT",
|
||||||
"dependencies": {
|
"dependencies": {
|
||||||
"@jridgewell/sourcemap-codec": "^1.5.0"
|
"@jridgewell/sourcemap-codec": "^1.5.5"
|
||||||
}
|
}
|
||||||
},
|
},
|
||||||
"node_modules/magicast": {
|
"node_modules/magicast": {
|
||||||
@ -11280,6 +11475,28 @@
|
|||||||
"node": ">=0.10.0"
|
"node": ">=0.10.0"
|
||||||
}
|
}
|
||||||
},
|
},
|
||||||
|
"node_modules/vue": {
|
||||||
|
"version": "3.5.21",
|
||||||
|
"resolved": "https://registry.npmjs.org/vue/-/vue-3.5.21.tgz",
|
||||||
|
"integrity": "sha512-xxf9rum9KtOdwdRkiApWL+9hZEMWE90FHh8yS1+KJAiWYh+iGWV1FquPjoO9VUHQ+VIhsCXNNyZ5Sf4++RVZBA==",
|
||||||
|
"license": "MIT",
|
||||||
|
"peer": true,
|
||||||
|
"dependencies": {
|
||||||
|
"@vue/compiler-dom": "3.5.21",
|
||||||
|
"@vue/compiler-sfc": "3.5.21",
|
||||||
|
"@vue/runtime-dom": "3.5.21",
|
||||||
|
"@vue/server-renderer": "3.5.21",
|
||||||
|
"@vue/shared": "3.5.21"
|
||||||
|
},
|
||||||
|
"peerDependencies": {
|
||||||
|
"typescript": "*"
|
||||||
|
},
|
||||||
|
"peerDependenciesMeta": {
|
||||||
|
"typescript": {
|
||||||
|
"optional": true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
"node_modules/w3c-xmlserializer": {
|
"node_modules/w3c-xmlserializer": {
|
||||||
"version": "5.0.0",
|
"version": "5.0.0",
|
||||||
"resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-5.0.0.tgz",
|
"resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-5.0.0.tgz",
|
||||||
|
|||||||
@ -6,6 +6,14 @@
|
|||||||
"proxy": "http://localhost:8080",
|
"proxy": "http://localhost:8080",
|
||||||
"dependencies": {
|
"dependencies": {
|
||||||
"@atlaskit/pragmatic-drag-and-drop": "^1.7.4",
|
"@atlaskit/pragmatic-drag-and-drop": "^1.7.4",
|
||||||
|
"@embedpdf/core": "^1.1.1",
|
||||||
|
"@embedpdf/engines": "^1.1.1",
|
||||||
|
"@embedpdf/plugin-interaction-manager": "^1.1.1",
|
||||||
|
"@embedpdf/plugin-loader": "^1.1.1",
|
||||||
|
"@embedpdf/plugin-render": "^1.1.1",
|
||||||
|
"@embedpdf/plugin-scroll": "^1.1.1",
|
||||||
|
"@embedpdf/plugin-viewport": "^1.1.1",
|
||||||
|
"@embedpdf/plugin-zoom": "^1.1.1",
|
||||||
"@emotion/react": "^11.14.0",
|
"@emotion/react": "^11.14.0",
|
||||||
"@emotion/styled": "^11.14.0",
|
"@emotion/styled": "^11.14.0",
|
||||||
"@iconify/react": "^6.0.0",
|
"@iconify/react": "^6.0.0",
|
||||||
|
|||||||
@ -7,6 +7,7 @@ import { useRightRail } from '../../contexts/RightRailContext';
|
|||||||
import { useFileState, useFileSelection, useFileManagement } from '../../contexts/FileContext';
|
import { useFileState, useFileSelection, useFileManagement } from '../../contexts/FileContext';
|
||||||
import { useNavigationState } from '../../contexts/NavigationContext';
|
import { useNavigationState } from '../../contexts/NavigationContext';
|
||||||
import { useTranslation } from 'react-i18next';
|
import { useTranslation } from 'react-i18next';
|
||||||
|
|
||||||
import LanguageSelector from '../shared/LanguageSelector';
|
import LanguageSelector from '../shared/LanguageSelector';
|
||||||
import { useRainbowThemeContext } from '../shared/RainbowThemeProvider';
|
import { useRainbowThemeContext } from '../shared/RainbowThemeProvider';
|
||||||
import { Tooltip } from '../shared/Tooltip';
|
import { Tooltip } from '../shared/Tooltip';
|
||||||
@ -204,6 +205,105 @@ export default function RightRail() {
|
|||||||
</>
|
</>
|
||||||
)}
|
)}
|
||||||
|
|
||||||
|
{/* Group: PDF Viewer Controls - visible only in viewer mode */}
|
||||||
|
<div
|
||||||
|
className={`right-rail-slot ${currentView === 'viewer' ? 'visible right-rail-enter' : 'right-rail-exit'}`}
|
||||||
|
aria-hidden={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<div style={{ display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '1rem' }}>
|
||||||
|
{/* Search */}
|
||||||
|
<Tooltip content={t('rightRail.search', 'Search PDF')} position="left" offset={12} arrow>
|
||||||
|
<ActionIcon
|
||||||
|
variant="subtle"
|
||||||
|
radius="md"
|
||||||
|
className="right-rail-icon"
|
||||||
|
onClick={() => (window as any).embedPdfControls?.search()}
|
||||||
|
disabled={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<LocalIcon icon="search" width="1.5rem" height="1.5rem" />
|
||||||
|
</ActionIcon>
|
||||||
|
</Tooltip>
|
||||||
|
|
||||||
|
{/* Zoom Out */}
|
||||||
|
<Tooltip content={t('rightRail.zoomOut', 'Zoom Out')} position="left" offset={12} arrow>
|
||||||
|
<ActionIcon
|
||||||
|
variant="subtle"
|
||||||
|
radius="md"
|
||||||
|
className="right-rail-icon"
|
||||||
|
onClick={() => (window as any).embedPdfZoom?.zoomOut()}
|
||||||
|
disabled={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<LocalIcon icon="zoom-out" width="1.5rem" height="1.5rem" />
|
||||||
|
</ActionIcon>
|
||||||
|
</Tooltip>
|
||||||
|
|
||||||
|
{/* Zoom In */}
|
||||||
|
<Tooltip content={t('rightRail.zoomIn', 'Zoom In')} position="left" offset={12} arrow>
|
||||||
|
<ActionIcon
|
||||||
|
variant="subtle"
|
||||||
|
radius="md"
|
||||||
|
className="right-rail-icon"
|
||||||
|
onClick={() => (window as any).embedPdfZoom?.zoomIn()}
|
||||||
|
disabled={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<LocalIcon icon="zoom-in" width="1.5rem" height="1.5rem" />
|
||||||
|
</ActionIcon>
|
||||||
|
</Tooltip>
|
||||||
|
{/* Area Zoom */}
|
||||||
|
<Tooltip content={t('rightRail.areaZoom', 'Area Zoom')} position="left" offset={12} arrow>
|
||||||
|
<ActionIcon
|
||||||
|
variant="subtle"
|
||||||
|
radius="md"
|
||||||
|
className="right-rail-icon"
|
||||||
|
onClick={() => (window as any).embedPdfZoom?.toggleMarqueeZoom()}
|
||||||
|
disabled={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<LocalIcon icon="crop-free" width="1.5rem" height="1.5rem" />
|
||||||
|
</ActionIcon>
|
||||||
|
</Tooltip>
|
||||||
|
|
||||||
|
{/* Pan Mode */}
|
||||||
|
<Tooltip content={t('rightRail.panMode', 'Pan Mode')} position="left" offset={12} arrow>
|
||||||
|
<ActionIcon
|
||||||
|
variant="subtle"
|
||||||
|
radius="md"
|
||||||
|
className="right-rail-icon"
|
||||||
|
onClick={() => (window as any).embedPdfControls?.pan()}
|
||||||
|
disabled={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<LocalIcon icon="pan-tool-rounded" width="1.5rem" height="1.5rem" />
|
||||||
|
</ActionIcon>
|
||||||
|
</Tooltip>
|
||||||
|
|
||||||
|
{/* Select Mode */}
|
||||||
|
<Tooltip content={t('rightRail.selectMode', 'Select Mode')} position="left" offset={12} arrow>
|
||||||
|
<ActionIcon
|
||||||
|
variant="subtle"
|
||||||
|
radius="md"
|
||||||
|
className="right-rail-icon"
|
||||||
|
onClick={() => (window as any).embedPdfControls?.pointer()}
|
||||||
|
disabled={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<LocalIcon icon="mouse-pointer" width="1.5rem" height="1.5rem" />
|
||||||
|
</ActionIcon>
|
||||||
|
</Tooltip>
|
||||||
|
|
||||||
|
{/* Sidebar Toggle */}
|
||||||
|
<Tooltip content={t('rightRail.toggleSidebar', 'Toggle Sidebar')} position="left" offset={12} arrow>
|
||||||
|
<ActionIcon
|
||||||
|
variant="subtle"
|
||||||
|
radius="md"
|
||||||
|
className="right-rail-icon"
|
||||||
|
onClick={() => (window as any).embedPdfControls?.sidebar()}
|
||||||
|
disabled={currentView !== 'viewer'}
|
||||||
|
>
|
||||||
|
<LocalIcon icon="view-list" width="1.5rem" height="1.5rem" />
|
||||||
|
</ActionIcon>
|
||||||
|
</Tooltip>
|
||||||
|
</div>
|
||||||
|
<Divider className="right-rail-divider" />
|
||||||
|
</div>
|
||||||
|
|
||||||
{/* Group: Selection controls + Close, animate as one unit when entering/leaving viewer */}
|
{/* Group: Selection controls + Close, animate as one unit when entering/leaving viewer */}
|
||||||
<div
|
<div
|
||||||
className={`right-rail-slot ${currentView !== 'viewer' ? 'visible right-rail-enter' : 'right-rail-exit'}`}
|
className={`right-rail-slot ${currentView !== 'viewer' ? 'visible right-rail-enter' : 'right-rail-exit'}`}
|
||||||
|
|||||||
134
frontend/src/components/viewer/EmbedPdfViewer.tsx
Normal file
134
frontend/src/components/viewer/EmbedPdfViewer.tsx
Normal file
@ -0,0 +1,134 @@
|
|||||||
|
import React from 'react';
|
||||||
|
import { Box, Center, Text, ActionIcon, Tabs } from '@mantine/core';
|
||||||
|
import { useMantineTheme, useMantineColorScheme } from '@mantine/core';
|
||||||
|
import { useTranslation } from 'react-i18next';
|
||||||
|
import CloseIcon from '@mui/icons-material/Close';
|
||||||
|
|
||||||
|
import { useFileState } from "../../contexts/FileContext";
|
||||||
|
import { useFileWithUrl } from "../../hooks/useFileWithUrl";
|
||||||
|
import { LocalEmbedPDF } from './LocalEmbedPDF';
|
||||||
|
import { PdfViewerToolbar } from './PdfViewerToolbar';
|
||||||
|
|
||||||
|
export interface EmbedPdfViewerProps {
|
||||||
|
sidebarsVisible: boolean;
|
||||||
|
setSidebarsVisible: (v: boolean) => void;
|
||||||
|
onClose?: () => void;
|
||||||
|
previewFile?: File | null;
|
||||||
|
}
|
||||||
|
|
||||||
|
const EmbedPdfViewer = ({
|
||||||
|
sidebarsVisible,
|
||||||
|
setSidebarsVisible,
|
||||||
|
onClose,
|
||||||
|
previewFile,
|
||||||
|
}: EmbedPdfViewerProps) => {
|
||||||
|
const { t } = useTranslation();
|
||||||
|
const theme = useMantineTheme();
|
||||||
|
const { colorScheme } = useMantineColorScheme();
|
||||||
|
|
||||||
|
// Get current file from FileContext
|
||||||
|
const { selectors } = useFileState();
|
||||||
|
const activeFiles = selectors.getFiles();
|
||||||
|
|
||||||
|
// Determine which file to display
|
||||||
|
const currentFile = React.useMemo(() => {
|
||||||
|
if (previewFile) {
|
||||||
|
return previewFile;
|
||||||
|
} else if (activeFiles.length > 0) {
|
||||||
|
return activeFiles[0]; // Use first file for simplicity
|
||||||
|
}
|
||||||
|
return null;
|
||||||
|
}, [previewFile, activeFiles]);
|
||||||
|
|
||||||
|
// Get file with URL for rendering
|
||||||
|
const fileWithUrl = useFileWithUrl(currentFile);
|
||||||
|
|
||||||
|
// Determine the effective file to display
|
||||||
|
const effectiveFile = React.useMemo(() => {
|
||||||
|
if (previewFile) {
|
||||||
|
// In preview mode, show the preview file
|
||||||
|
if (previewFile.size === 0) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
return { file: previewFile, url: null };
|
||||||
|
} else {
|
||||||
|
return fileWithUrl;
|
||||||
|
}
|
||||||
|
}, [previewFile, fileWithUrl]);
|
||||||
|
|
||||||
|
return (
|
||||||
|
<Box style={{ position: 'relative', height: '100%', display: 'flex', flexDirection: 'column' }}>
|
||||||
|
{/* Close Button - Only show in preview mode */}
|
||||||
|
{onClose && previewFile && (
|
||||||
|
<ActionIcon
|
||||||
|
variant="filled"
|
||||||
|
color="gray"
|
||||||
|
size="lg"
|
||||||
|
style={{ position: 'absolute', top: '1rem', right: '1rem', zIndex: 1000, borderRadius: '50%' }}
|
||||||
|
onClick={onClose}
|
||||||
|
>
|
||||||
|
<CloseIcon />
|
||||||
|
</ActionIcon>
|
||||||
|
)}
|
||||||
|
|
||||||
|
{!effectiveFile ? (
|
||||||
|
<Center style={{ flex: 1 }}>
|
||||||
|
<Text c="red">Error: No file provided to viewer</Text>
|
||||||
|
</Center>
|
||||||
|
) : (
|
||||||
|
<>
|
||||||
|
{/* Tabs for multiple files */}
|
||||||
|
{activeFiles.length > 1 && !previewFile && (
|
||||||
|
<Box p="md" style={{ borderBottom: `1px solid ${theme.colors.gray[3]}` }}>
|
||||||
|
<Text size="sm" c="dimmed">
|
||||||
|
Multiple files loaded - showing first file for now
|
||||||
|
</Text>
|
||||||
|
</Box>
|
||||||
|
)}
|
||||||
|
|
||||||
|
{/* EmbedPDF Viewer with Toolbar Overlay */}
|
||||||
|
<Box style={{ position: 'relative', flex: 1, overflow: 'hidden' }}>
|
||||||
|
<LocalEmbedPDF
|
||||||
|
file={effectiveFile.file}
|
||||||
|
url={effectiveFile.url}
|
||||||
|
colorScheme={colorScheme}
|
||||||
|
/>
|
||||||
|
|
||||||
|
{/* Bottom Toolbar Overlay */}
|
||||||
|
<div
|
||||||
|
style={{
|
||||||
|
position: "sticky",
|
||||||
|
bottom: 0,
|
||||||
|
zIndex: 50,
|
||||||
|
display: "flex",
|
||||||
|
justifyContent: "center",
|
||||||
|
pointerEvents: "none",
|
||||||
|
background: "transparent",
|
||||||
|
marginTop: "auto",
|
||||||
|
}}
|
||||||
|
>
|
||||||
|
<div style={{ pointerEvents: "auto" }}>
|
||||||
|
<PdfViewerToolbar
|
||||||
|
currentPage={1}
|
||||||
|
totalPages={1}
|
||||||
|
onPageChange={(page) => {
|
||||||
|
// Placeholder - will implement page navigation later
|
||||||
|
console.log('Navigate to page:', page);
|
||||||
|
}}
|
||||||
|
dualPage={false}
|
||||||
|
onDualPageToggle={() => {
|
||||||
|
// Placeholder - will implement dual page toggle later
|
||||||
|
console.log('Toggle dual page view');
|
||||||
|
}}
|
||||||
|
currentZoom={100}
|
||||||
|
/>
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
</Box>
|
||||||
|
</>
|
||||||
|
)}
|
||||||
|
</Box>
|
||||||
|
);
|
||||||
|
};
|
||||||
|
|
||||||
|
export default EmbedPdfViewer;
|
||||||
158
frontend/src/components/viewer/LocalEmbedPDF.tsx
Normal file
158
frontend/src/components/viewer/LocalEmbedPDF.tsx
Normal file
@ -0,0 +1,158 @@
|
|||||||
|
import React, { useEffect, useMemo, useState } from 'react';
|
||||||
|
import { createPluginRegistration } from '@embedpdf/core';
|
||||||
|
import { EmbedPDF } from '@embedpdf/core/react';
|
||||||
|
import { usePdfiumEngine } from '@embedpdf/engines/react';
|
||||||
|
|
||||||
|
// Import the essential plugins
|
||||||
|
import { Viewport, ViewportPluginPackage } from '@embedpdf/plugin-viewport/react';
|
||||||
|
import { Scroller, ScrollPluginPackage, ScrollStrategy } from '@embedpdf/plugin-scroll/react';
|
||||||
|
import { LoaderPluginPackage } from '@embedpdf/plugin-loader/react';
|
||||||
|
import { RenderLayer, RenderPluginPackage } from '@embedpdf/plugin-render/react';
|
||||||
|
import { ZoomPluginPackage, ZoomMode } from '@embedpdf/plugin-zoom/react';
|
||||||
|
import { InteractionManagerPluginPackage } from '@embedpdf/plugin-interaction-manager/react';
|
||||||
|
import { ZoomControlsExporter } from './ZoomControlsExporter';
|
||||||
|
import { ScrollControlsExporter } from './ScrollControlsExporter';
|
||||||
|
|
||||||
|
interface LocalEmbedPDFProps {
|
||||||
|
file?: File | Blob;
|
||||||
|
url?: string | null;
|
||||||
|
colorScheme: 'light' | 'dark' | 'auto';
|
||||||
|
}
|
||||||
|
|
||||||
|
export function LocalEmbedPDF({ file, url, colorScheme }: LocalEmbedPDFProps) {
|
||||||
|
const [pdfUrl, setPdfUrl] = useState<string | null>(null);
|
||||||
|
|
||||||
|
// Convert color scheme (handle 'auto' mode by defaulting to 'light')
|
||||||
|
const actualColorScheme = colorScheme === 'auto' ? 'light' : colorScheme;
|
||||||
|
|
||||||
|
// Convert File to URL if needed
|
||||||
|
useEffect(() => {
|
||||||
|
if (file) {
|
||||||
|
const objectUrl = URL.createObjectURL(file);
|
||||||
|
setPdfUrl(objectUrl);
|
||||||
|
return () => URL.revokeObjectURL(objectUrl);
|
||||||
|
} else if (url) {
|
||||||
|
setPdfUrl(url);
|
||||||
|
}
|
||||||
|
}, [file, url]);
|
||||||
|
|
||||||
|
// Create plugins configuration
|
||||||
|
const plugins = useMemo(() => {
|
||||||
|
if (!pdfUrl) return [];
|
||||||
|
|
||||||
|
return [
|
||||||
|
createPluginRegistration(LoaderPluginPackage, {
|
||||||
|
loadingOptions: {
|
||||||
|
type: 'url',
|
||||||
|
pdfFile: {
|
||||||
|
id: 'stirling-pdf-viewer',
|
||||||
|
url: pdfUrl,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
}),
|
||||||
|
createPluginRegistration(ViewportPluginPackage, {
|
||||||
|
viewportGap: 10,
|
||||||
|
}),
|
||||||
|
createPluginRegistration(ScrollPluginPackage, {
|
||||||
|
strategy: ScrollStrategy.Vertical,
|
||||||
|
initialPage: 0,
|
||||||
|
}),
|
||||||
|
createPluginRegistration(RenderPluginPackage),
|
||||||
|
|
||||||
|
// Register interaction manager (required for zoom features)
|
||||||
|
createPluginRegistration(InteractionManagerPluginPackage),
|
||||||
|
|
||||||
|
// Register zoom plugin with configuration
|
||||||
|
createPluginRegistration(ZoomPluginPackage, {
|
||||||
|
defaultZoomLevel: ZoomMode.FitPage,
|
||||||
|
minZoom: 0.2,
|
||||||
|
maxZoom: 5.0,
|
||||||
|
}),
|
||||||
|
];
|
||||||
|
}, [pdfUrl]);
|
||||||
|
|
||||||
|
// Initialize the engine with the React hook
|
||||||
|
const { engine, isLoading, error } = usePdfiumEngine();
|
||||||
|
|
||||||
|
|
||||||
|
// Early return if no file or URL provided
|
||||||
|
if (!file && !url) {
|
||||||
|
return (
|
||||||
|
<div style={{
|
||||||
|
display: 'flex',
|
||||||
|
justifyContent: 'center',
|
||||||
|
alignItems: 'center',
|
||||||
|
height: '100%',
|
||||||
|
background: actualColorScheme === 'dark' ? '#1a1b1e' : '#f8f9fa',
|
||||||
|
color: actualColorScheme === 'dark' ? '#ffffff' : '#666666',
|
||||||
|
}}>
|
||||||
|
<div style={{ textAlign: 'center' }}>
|
||||||
|
<div style={{ fontSize: '24px', marginBottom: '16px' }}>📄</div>
|
||||||
|
<div>No PDF provided</div>
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (isLoading || !engine || !pdfUrl) {
|
||||||
|
return (
|
||||||
|
<div style={{
|
||||||
|
display: 'flex',
|
||||||
|
justifyContent: 'center',
|
||||||
|
alignItems: 'center',
|
||||||
|
height: '100%',
|
||||||
|
background: actualColorScheme === 'dark' ? '#1a1b1e' : '#f1f3f5',
|
||||||
|
color: actualColorScheme === 'dark' ? '#ffffff' : '#666666',
|
||||||
|
}}>
|
||||||
|
<div style={{ textAlign: 'center' }}>
|
||||||
|
<div style={{ fontSize: '24px', marginBottom: '16px' }}>⏳</div>
|
||||||
|
<div>Loading PDF Engine...</div>
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (error) {
|
||||||
|
return (
|
||||||
|
<div style={{
|
||||||
|
display: 'flex',
|
||||||
|
justifyContent: 'center',
|
||||||
|
alignItems: 'center',
|
||||||
|
height: '100%',
|
||||||
|
background: actualColorScheme === 'dark' ? '#1a1b1e' : '#f1f3f5',
|
||||||
|
color: '#ff6b6b',
|
||||||
|
}}>
|
||||||
|
<div style={{ textAlign: 'center' }}>
|
||||||
|
<div style={{ fontSize: '24px', marginBottom: '16px' }}>❌</div>
|
||||||
|
<div>Error loading PDF engine: {error.message}</div>
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Wrap your UI with the <EmbedPDF> provider
|
||||||
|
return (
|
||||||
|
<div style={{ height: '100%', width: '100%', overflow: 'hidden' }}>
|
||||||
|
<EmbedPDF engine={engine} plugins={plugins}>
|
||||||
|
<ZoomControlsExporter />
|
||||||
|
<ScrollControlsExporter />
|
||||||
|
<Viewport
|
||||||
|
style={{
|
||||||
|
backgroundColor: actualColorScheme === 'dark' ? '#1a1b1e' : '#f1f3f5',
|
||||||
|
height: '100%',
|
||||||
|
width: '100%',
|
||||||
|
overflow: 'auto',
|
||||||
|
}}
|
||||||
|
>
|
||||||
|
<Scroller
|
||||||
|
renderPage={({ width, height, pageIndex, scale }: { width: number; height: number; pageIndex: number; scale: number }) => (
|
||||||
|
<div style={{ width, height }}>
|
||||||
|
<RenderLayer pageIndex={pageIndex} scale={scale} />
|
||||||
|
</div>
|
||||||
|
)}
|
||||||
|
/>
|
||||||
|
</Viewport>
|
||||||
|
</EmbedPDF>
|
||||||
|
</div>
|
||||||
|
);
|
||||||
|
}
|
||||||
687
frontend/src/components/viewer/OldViewer.tsx
Normal file
687
frontend/src/components/viewer/OldViewer.tsx
Normal file
@ -0,0 +1,687 @@
|
|||||||
|
import React, { useEffect, useState, useRef, useCallback } from "react";
|
||||||
|
import { Paper, Stack, Text, ScrollArea, Center, Button, Group, NumberInput, useMantineTheme, ActionIcon, Box, Tabs } from "@mantine/core";
|
||||||
|
import { useTranslation } from "react-i18next";
|
||||||
|
import { pdfWorkerManager } from "../../services/pdfWorkerManager";
|
||||||
|
import ArrowBackIosNewIcon from "@mui/icons-material/ArrowBackIosNew";
|
||||||
|
import ArrowForwardIosIcon from "@mui/icons-material/ArrowForwardIos";
|
||||||
|
import FirstPageIcon from "@mui/icons-material/FirstPage";
|
||||||
|
import LastPageIcon from "@mui/icons-material/LastPage";
|
||||||
|
import ViewWeekIcon from "@mui/icons-material/ViewWeek"; // for dual page (book)
|
||||||
|
import DescriptionIcon from "@mui/icons-material/Description"; // for single page
|
||||||
|
import CloseIcon from "@mui/icons-material/Close";
|
||||||
|
import { fileStorage } from "../../services/fileStorage";
|
||||||
|
import SkeletonLoader from '../shared/SkeletonLoader';
|
||||||
|
import { useFileState } from "../../contexts/FileContext";
|
||||||
|
import { useFileWithUrl } from "../../hooks/useFileWithUrl";
|
||||||
|
import { isFileObject } from "../../types/fileContext";
|
||||||
|
import { FileId } from "../../types/file";
|
||||||
|
|
||||||
|
|
||||||
|
// Lazy loading page image component
|
||||||
|
interface LazyPageImageProps {
|
||||||
|
pageIndex: number;
|
||||||
|
zoom: number;
|
||||||
|
theme: any;
|
||||||
|
isFirst: boolean;
|
||||||
|
renderPage: (pageIndex: number) => Promise<string | null>;
|
||||||
|
pageImages: (string | null)[];
|
||||||
|
setPageRef: (index: number, ref: HTMLImageElement | null) => void;
|
||||||
|
}
|
||||||
|
|
||||||
|
const LazyPageImage = ({
|
||||||
|
pageIndex, zoom, theme, isFirst, renderPage, pageImages, setPageRef
|
||||||
|
}: LazyPageImageProps) => {
|
||||||
|
const [isVisible, setIsVisible] = useState(false);
|
||||||
|
const [imageUrl, setImageUrl] = useState<string | null>(null);
|
||||||
|
const imgRef = useRef<HTMLImageElement>(null);
|
||||||
|
|
||||||
|
useEffect(() => {
|
||||||
|
const observer = new IntersectionObserver(
|
||||||
|
(entries) => {
|
||||||
|
entries.forEach((entry) => {
|
||||||
|
if (entry.isIntersecting && !imageUrl) {
|
||||||
|
setIsVisible(true);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
},
|
||||||
|
{
|
||||||
|
rootMargin: '200px', // Start loading 200px before visible
|
||||||
|
threshold: 0.1
|
||||||
|
}
|
||||||
|
);
|
||||||
|
|
||||||
|
if (imgRef.current) {
|
||||||
|
observer.observe(imgRef.current);
|
||||||
|
}
|
||||||
|
|
||||||
|
return () => observer.disconnect();
|
||||||
|
}, [imageUrl]);
|
||||||
|
|
||||||
|
// Update local state when pageImages changes (from preloading)
|
||||||
|
useEffect(() => {
|
||||||
|
if (pageImages[pageIndex]) {
|
||||||
|
setImageUrl(pageImages[pageIndex]);
|
||||||
|
}
|
||||||
|
}, [pageImages, pageIndex]);
|
||||||
|
|
||||||
|
useEffect(() => {
|
||||||
|
if (isVisible && !imageUrl) {
|
||||||
|
renderPage(pageIndex).then((url) => {
|
||||||
|
if (url) setImageUrl(url);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}, [isVisible, imageUrl, pageIndex, renderPage]);
|
||||||
|
|
||||||
|
useEffect(() => {
|
||||||
|
if (imgRef.current) {
|
||||||
|
setPageRef(pageIndex, imgRef.current);
|
||||||
|
}
|
||||||
|
}, [pageIndex, setPageRef]);
|
||||||
|
|
||||||
|
if (imageUrl) {
|
||||||
|
return (
|
||||||
|
<img
|
||||||
|
ref={imgRef}
|
||||||
|
src={imageUrl}
|
||||||
|
alt={`Page ${pageIndex + 1}`}
|
||||||
|
style={{
|
||||||
|
width: `${100 * zoom}%`,
|
||||||
|
maxWidth: 700 * zoom,
|
||||||
|
boxShadow: "0 2px 8px rgba(0,0,0,0.08)",
|
||||||
|
borderRadius: 8,
|
||||||
|
marginTop: isFirst ? theme.spacing.xl : 0,
|
||||||
|
}}
|
||||||
|
/>
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Placeholder while loading
|
||||||
|
return (
|
||||||
|
<div
|
||||||
|
ref={imgRef}
|
||||||
|
style={{
|
||||||
|
width: `${100 * zoom}%`,
|
||||||
|
maxWidth: 700 * zoom,
|
||||||
|
height: 800 * zoom, // Estimated height
|
||||||
|
backgroundColor: '#f5f5f5',
|
||||||
|
display: 'flex',
|
||||||
|
alignItems: 'center',
|
||||||
|
justifyContent: 'center',
|
||||||
|
borderRadius: 8,
|
||||||
|
marginTop: isFirst ? theme.spacing.xl : 0,
|
||||||
|
border: '1px dashed #ccc'
|
||||||
|
}}
|
||||||
|
>
|
||||||
|
{isVisible ? (
|
||||||
|
<div style={{ textAlign: 'center' }}>
|
||||||
|
<div style={{
|
||||||
|
width: 20,
|
||||||
|
height: 20,
|
||||||
|
border: '2px solid #ddd',
|
||||||
|
borderTop: '2px solid #666',
|
||||||
|
borderRadius: '50%',
|
||||||
|
animation: 'spin 1s linear infinite',
|
||||||
|
margin: '0 auto 8px'
|
||||||
|
}} />
|
||||||
|
<Text size="sm" c="dimmed">Loading page {pageIndex + 1}...</Text>
|
||||||
|
</div>
|
||||||
|
) : (
|
||||||
|
<Text size="sm" c="dimmed">Page {pageIndex + 1}</Text>
|
||||||
|
)}
|
||||||
|
</div>
|
||||||
|
);
|
||||||
|
};
|
||||||
|
|
||||||
|
export interface ViewerProps {
|
||||||
|
sidebarsVisible: boolean;
|
||||||
|
setSidebarsVisible: (v: boolean) => void;
|
||||||
|
onClose?: () => void;
|
||||||
|
previewFile: File | null; // For preview mode - bypasses context
|
||||||
|
}
|
||||||
|
|
||||||
|
const Viewer = ({
|
||||||
|
onClose,
|
||||||
|
previewFile,
|
||||||
|
}: ViewerProps) => {
|
||||||
|
const { t } = useTranslation();
|
||||||
|
const theme = useMantineTheme();
|
||||||
|
|
||||||
|
// Get current file from FileContext
|
||||||
|
const { selectors } = useFileState();
|
||||||
|
|
||||||
|
const activeFiles = selectors.getFiles();
|
||||||
|
|
||||||
|
// Tab management for multiple files
|
||||||
|
const [activeTab, setActiveTab] = useState<string>("0");
|
||||||
|
|
||||||
|
// Reset PDF state when switching tabs
|
||||||
|
const handleTabChange = (newTab: string) => {
|
||||||
|
setActiveTab(newTab);
|
||||||
|
setNumPages(0);
|
||||||
|
setPageImages([]);
|
||||||
|
setCurrentPage(null);
|
||||||
|
setLoading(true);
|
||||||
|
};
|
||||||
|
const [numPages, setNumPages] = useState<number>(0);
|
||||||
|
const [pageImages, setPageImages] = useState<string[]>([]);
|
||||||
|
const [loading, setLoading] = useState<boolean>(false);
|
||||||
|
const [currentPage, setCurrentPage] = useState<number | null>(null);
|
||||||
|
const [dualPage, setDualPage] = useState(false);
|
||||||
|
const [zoom, setZoom] = useState(1); // 1 = 100%
|
||||||
|
const pageRefs = useRef<(HTMLImageElement | null)[]>([]);
|
||||||
|
|
||||||
|
// Memoize setPageRef to prevent infinite re-renders
|
||||||
|
const setPageRef = useCallback((index: number, ref: HTMLImageElement | null) => {
|
||||||
|
pageRefs.current[index] = ref;
|
||||||
|
}, []);
|
||||||
|
|
||||||
|
// Get files with URLs for tabs - we'll need to create these individually
|
||||||
|
const file0WithUrl = useFileWithUrl(activeFiles[0]);
|
||||||
|
const file1WithUrl = useFileWithUrl(activeFiles[1]);
|
||||||
|
const file2WithUrl = useFileWithUrl(activeFiles[2]);
|
||||||
|
const file3WithUrl = useFileWithUrl(activeFiles[3]);
|
||||||
|
const file4WithUrl = useFileWithUrl(activeFiles[4]);
|
||||||
|
|
||||||
|
const filesWithUrls = React.useMemo(() => {
|
||||||
|
return [file0WithUrl, file1WithUrl, file2WithUrl, file3WithUrl, file4WithUrl]
|
||||||
|
.slice(0, activeFiles.length)
|
||||||
|
.filter(Boolean);
|
||||||
|
}, [file0WithUrl, file1WithUrl, file2WithUrl, file3WithUrl, file4WithUrl, activeFiles.length]);
|
||||||
|
|
||||||
|
// Use preview file if available, otherwise use active tab file
|
||||||
|
const effectiveFile = React.useMemo(() => {
|
||||||
|
if (previewFile) {
|
||||||
|
// Validate the preview file
|
||||||
|
if (!isFileObject(previewFile)) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (previewFile.size === 0) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
return { file: previewFile, url: null };
|
||||||
|
} else {
|
||||||
|
// Use the file from the active tab
|
||||||
|
const tabIndex = parseInt(activeTab);
|
||||||
|
return filesWithUrls[tabIndex] || null;
|
||||||
|
}
|
||||||
|
}, [previewFile, filesWithUrls, activeTab]);
|
||||||
|
|
||||||
|
const scrollAreaRef = useRef<HTMLDivElement>(null);
|
||||||
|
const pdfDocRef = useRef<any>(null);
|
||||||
|
const renderingPagesRef = useRef<Set<number>>(new Set());
|
||||||
|
const currentArrayBufferRef = useRef<ArrayBuffer | null>(null);
|
||||||
|
const preloadingRef = useRef<boolean>(false);
|
||||||
|
|
||||||
|
// Function to render a specific page on-demand
|
||||||
|
const renderPage = async (pageIndex: number): Promise<string | null> => {
|
||||||
|
if (!pdfDocRef.current || renderingPagesRef.current.has(pageIndex)) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
const pageNum = pageIndex + 1;
|
||||||
|
if (pageImages[pageIndex]) {
|
||||||
|
return pageImages[pageIndex]; // Already rendered
|
||||||
|
}
|
||||||
|
|
||||||
|
renderingPagesRef.current.add(pageIndex);
|
||||||
|
|
||||||
|
try {
|
||||||
|
const page = await pdfDocRef.current.getPage(pageNum);
|
||||||
|
const viewport = page.getViewport({ scale: 1.2 });
|
||||||
|
const canvas = document.createElement("canvas");
|
||||||
|
canvas.width = viewport.width;
|
||||||
|
canvas.height = viewport.height;
|
||||||
|
const ctx = canvas.getContext("2d");
|
||||||
|
|
||||||
|
if (ctx) {
|
||||||
|
await page.render({ canvasContext: ctx, viewport }).promise;
|
||||||
|
const dataUrl = canvas.toDataURL();
|
||||||
|
|
||||||
|
// Update the pageImages array
|
||||||
|
setPageImages(prev => {
|
||||||
|
const newImages = [...prev];
|
||||||
|
newImages[pageIndex] = dataUrl;
|
||||||
|
return newImages;
|
||||||
|
});
|
||||||
|
|
||||||
|
renderingPagesRef.current.delete(pageIndex);
|
||||||
|
return dataUrl;
|
||||||
|
}
|
||||||
|
} catch (error) {
|
||||||
|
console.error(`Failed to render page ${pageNum}:`, error);
|
||||||
|
}
|
||||||
|
|
||||||
|
renderingPagesRef.current.delete(pageIndex);
|
||||||
|
return null;
|
||||||
|
};
|
||||||
|
|
||||||
|
// Progressive preloading function
|
||||||
|
const startProgressivePreload = async () => {
|
||||||
|
if (!pdfDocRef.current || preloadingRef.current || numPages === 0) return;
|
||||||
|
|
||||||
|
preloadingRef.current = true;
|
||||||
|
|
||||||
|
// Start with first few pages for immediate viewing
|
||||||
|
const priorityPages = [0, 1, 2, 3, 4]; // First 5 pages
|
||||||
|
|
||||||
|
// Render priority pages first
|
||||||
|
for (const pageIndex of priorityPages) {
|
||||||
|
if (pageIndex < numPages && !pageImages[pageIndex]) {
|
||||||
|
await renderPage(pageIndex);
|
||||||
|
// Small delay to allow UI to update
|
||||||
|
await new Promise(resolve => setTimeout(resolve, 50));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Then render remaining pages in background
|
||||||
|
for (let pageIndex = 5; pageIndex < numPages; pageIndex++) {
|
||||||
|
if (!pageImages[pageIndex]) {
|
||||||
|
await renderPage(pageIndex);
|
||||||
|
// Longer delay for background loading to not block UI
|
||||||
|
await new Promise(resolve => setTimeout(resolve, 100));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
preloadingRef.current = false;
|
||||||
|
};
|
||||||
|
|
||||||
|
// Initialize current page when PDF loads
|
||||||
|
useEffect(() => {
|
||||||
|
if (numPages > 0 && !currentPage) {
|
||||||
|
setCurrentPage(1);
|
||||||
|
}
|
||||||
|
}, [numPages, currentPage]);
|
||||||
|
|
||||||
|
// Function to scroll to a specific page
|
||||||
|
const scrollToPage = (pageNumber: number) => {
|
||||||
|
const el = pageRefs.current[pageNumber - 1];
|
||||||
|
const scrollArea = scrollAreaRef.current;
|
||||||
|
|
||||||
|
if (el && scrollArea) {
|
||||||
|
const scrollAreaRect = scrollArea.getBoundingClientRect();
|
||||||
|
const elRect = el.getBoundingClientRect();
|
||||||
|
const currentScrollTop = scrollArea.scrollTop;
|
||||||
|
|
||||||
|
// Position page near top of viewport with some padding
|
||||||
|
const targetScrollTop = currentScrollTop + (elRect.top - scrollAreaRect.top) - 20;
|
||||||
|
|
||||||
|
scrollArea.scrollTo({
|
||||||
|
top: targetScrollTop,
|
||||||
|
behavior: "smooth"
|
||||||
|
});
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// Throttled scroll handler to prevent jerky updates
|
||||||
|
const handleScrollThrottled = useCallback(() => {
|
||||||
|
const scrollArea = scrollAreaRef.current;
|
||||||
|
if (!scrollArea || !pageRefs.current.length) return;
|
||||||
|
|
||||||
|
const areaRect = scrollArea.getBoundingClientRect();
|
||||||
|
const viewportCenter = areaRect.top + areaRect.height / 2;
|
||||||
|
let closestIdx = 0;
|
||||||
|
let minDist = Infinity;
|
||||||
|
|
||||||
|
pageRefs.current.forEach((img, idx) => {
|
||||||
|
if (img) {
|
||||||
|
const imgRect = img.getBoundingClientRect();
|
||||||
|
const imgCenter = imgRect.top + imgRect.height / 2;
|
||||||
|
const dist = Math.abs(imgCenter - viewportCenter);
|
||||||
|
if (dist < minDist) {
|
||||||
|
minDist = dist;
|
||||||
|
closestIdx = idx;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
// Update page number display only if changed
|
||||||
|
if (currentPage !== closestIdx + 1) {
|
||||||
|
setCurrentPage(closestIdx + 1);
|
||||||
|
}
|
||||||
|
}, [currentPage]);
|
||||||
|
|
||||||
|
// Throttle scroll events to reduce jerkiness
|
||||||
|
const handleScroll = useCallback(() => {
|
||||||
|
if (window.requestAnimationFrame) {
|
||||||
|
window.requestAnimationFrame(handleScrollThrottled);
|
||||||
|
} else {
|
||||||
|
handleScrollThrottled();
|
||||||
|
}
|
||||||
|
}, [handleScrollThrottled]);
|
||||||
|
|
||||||
|
useEffect(() => {
|
||||||
|
let cancelled = false;
|
||||||
|
async function loadPdfInfo() {
|
||||||
|
if (!effectiveFile) {
|
||||||
|
setNumPages(0);
|
||||||
|
setPageImages([]);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
setLoading(true);
|
||||||
|
try {
|
||||||
|
let pdfData;
|
||||||
|
|
||||||
|
// For preview files, use ArrayBuffer directly to avoid blob URL issues
|
||||||
|
if (previewFile && effectiveFile.file === previewFile) {
|
||||||
|
const arrayBuffer = await previewFile.arrayBuffer();
|
||||||
|
pdfData = { data: arrayBuffer };
|
||||||
|
}
|
||||||
|
// Handle special IndexedDB URLs for large files
|
||||||
|
else if (effectiveFile.url?.startsWith('indexeddb:')) {
|
||||||
|
const fileId = effectiveFile.url.replace('indexeddb:', '') as FileId /* FIX ME: Not sure this is right - at least probably not the right place for this logic */;
|
||||||
|
|
||||||
|
// Get data directly from IndexedDB
|
||||||
|
const arrayBuffer = await fileStorage.getFileData(fileId);
|
||||||
|
if (!arrayBuffer) {
|
||||||
|
throw new Error('File not found in IndexedDB - may have been purged by browser');
|
||||||
|
}
|
||||||
|
|
||||||
|
// Store reference for cleanup
|
||||||
|
currentArrayBufferRef.current = arrayBuffer;
|
||||||
|
pdfData = { data: arrayBuffer };
|
||||||
|
} else if (effectiveFile.url) {
|
||||||
|
// Standard blob URL or regular URL
|
||||||
|
pdfData = effectiveFile.url;
|
||||||
|
} else {
|
||||||
|
throw new Error('No valid PDF source available');
|
||||||
|
}
|
||||||
|
|
||||||
|
const pdf = await pdfWorkerManager.createDocument(pdfData);
|
||||||
|
pdfDocRef.current = pdf;
|
||||||
|
setNumPages(pdf.numPages);
|
||||||
|
if (!cancelled) {
|
||||||
|
setPageImages(new Array(pdf.numPages).fill(null));
|
||||||
|
// Start progressive preloading after a short delay
|
||||||
|
setTimeout(() => startProgressivePreload(), 100);
|
||||||
|
}
|
||||||
|
} catch {
|
||||||
|
if (!cancelled) {
|
||||||
|
setPageImages([]);
|
||||||
|
setNumPages(0);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (!cancelled) setLoading(false);
|
||||||
|
}
|
||||||
|
loadPdfInfo();
|
||||||
|
return () => {
|
||||||
|
cancelled = true;
|
||||||
|
// Stop any ongoing preloading
|
||||||
|
preloadingRef.current = false;
|
||||||
|
// Cleanup PDF document using worker manager
|
||||||
|
if (pdfDocRef.current) {
|
||||||
|
pdfWorkerManager.destroyDocument(pdfDocRef.current);
|
||||||
|
pdfDocRef.current = null;
|
||||||
|
}
|
||||||
|
// Cleanup ArrayBuffer reference to help garbage collection
|
||||||
|
currentArrayBufferRef.current = null;
|
||||||
|
};
|
||||||
|
}, [effectiveFile, previewFile]);
|
||||||
|
|
||||||
|
useEffect(() => {
|
||||||
|
const viewport = scrollAreaRef.current;
|
||||||
|
if (!viewport) return;
|
||||||
|
const handler = () => {
|
||||||
|
handleScroll();
|
||||||
|
};
|
||||||
|
viewport.addEventListener("scroll", handler);
|
||||||
|
return () => viewport.removeEventListener("scroll", handler);
|
||||||
|
}, [pageImages]);
|
||||||
|
|
||||||
|
return (
|
||||||
|
<Box style={{ position: 'relative', height: '100%', display: 'flex', flexDirection: 'column' }}>
|
||||||
|
{/* Close Button - Only show in preview mode */}
|
||||||
|
{onClose && previewFile && (
|
||||||
|
<ActionIcon
|
||||||
|
variant="filled"
|
||||||
|
color="gray"
|
||||||
|
size="lg"
|
||||||
|
style={{
|
||||||
|
position: 'absolute',
|
||||||
|
top: '1rem',
|
||||||
|
right: '1rem',
|
||||||
|
zIndex: 1000,
|
||||||
|
borderRadius: '50%',
|
||||||
|
}}
|
||||||
|
onClick={onClose}
|
||||||
|
>
|
||||||
|
<CloseIcon />
|
||||||
|
</ActionIcon>
|
||||||
|
)}
|
||||||
|
|
||||||
|
{!effectiveFile ? (
|
||||||
|
<Center style={{ flex: 1 }}>
|
||||||
|
<Text c="red">Error: No file provided to viewer</Text>
|
||||||
|
</Center>
|
||||||
|
) : (
|
||||||
|
<>
|
||||||
|
{/* Tabs for multiple files */}
|
||||||
|
{activeFiles.length > 1 && !previewFile && (
|
||||||
|
<Box
|
||||||
|
style={{
|
||||||
|
borderBottom: '1px solid var(--mantine-color-gray-3)',
|
||||||
|
backgroundColor: 'var(--mantine-color-body)',
|
||||||
|
position: 'relative',
|
||||||
|
zIndex: 100,
|
||||||
|
marginTop: '60px' // Push tabs below TopControls
|
||||||
|
}}
|
||||||
|
>
|
||||||
|
<Tabs value={activeTab} onChange={(value) => handleTabChange(value || "0")}>
|
||||||
|
<Tabs.List>
|
||||||
|
{activeFiles.map((file: any, index: number) => (
|
||||||
|
<Tabs.Tab key={index} value={index.toString()}>
|
||||||
|
{file.name.length > 20 ? `${file.name.substring(0, 20)}...` : file.name}
|
||||||
|
</Tabs.Tab>
|
||||||
|
))}
|
||||||
|
</Tabs.List>
|
||||||
|
</Tabs>
|
||||||
|
</Box>
|
||||||
|
)}
|
||||||
|
|
||||||
|
{loading ? (
|
||||||
|
<div style={{ flex: 1, padding: '1rem' }}>
|
||||||
|
<SkeletonLoader type="viewer" />
|
||||||
|
</div>
|
||||||
|
) : (
|
||||||
|
<ScrollArea
|
||||||
|
style={{ flex: 1, position: "relative"}}
|
||||||
|
viewportRef={scrollAreaRef}
|
||||||
|
>
|
||||||
|
<Stack gap="xl" align="center" >
|
||||||
|
{numPages === 0 && (
|
||||||
|
<Text color="dimmed">{t("viewer.noPagesToDisplay", "No pages to display.")}</Text>
|
||||||
|
)}
|
||||||
|
{dualPage
|
||||||
|
? Array.from({ length: Math.ceil(numPages / 2) }).map((_, i) => (
|
||||||
|
<Group key={i} gap="md" align="flex-start" style={{ width: "100%", justifyContent: "center" }}>
|
||||||
|
<LazyPageImage
|
||||||
|
pageIndex={i * 2}
|
||||||
|
zoom={zoom}
|
||||||
|
theme={theme}
|
||||||
|
isFirst={i === 0}
|
||||||
|
renderPage={renderPage}
|
||||||
|
pageImages={pageImages}
|
||||||
|
setPageRef={setPageRef}
|
||||||
|
/>
|
||||||
|
{i * 2 + 1 < numPages && (
|
||||||
|
<LazyPageImage
|
||||||
|
pageIndex={i * 2 + 1}
|
||||||
|
zoom={zoom}
|
||||||
|
theme={theme}
|
||||||
|
isFirst={i === 0}
|
||||||
|
renderPage={renderPage}
|
||||||
|
pageImages={pageImages}
|
||||||
|
setPageRef={setPageRef}
|
||||||
|
/>
|
||||||
|
)}
|
||||||
|
</Group>
|
||||||
|
))
|
||||||
|
: Array.from({ length: numPages }).map((_, idx) => (
|
||||||
|
<LazyPageImage
|
||||||
|
key={idx}
|
||||||
|
pageIndex={idx}
|
||||||
|
zoom={zoom}
|
||||||
|
theme={theme}
|
||||||
|
isFirst={idx === 0}
|
||||||
|
renderPage={renderPage}
|
||||||
|
pageImages={pageImages}
|
||||||
|
setPageRef={setPageRef}
|
||||||
|
/>
|
||||||
|
))}
|
||||||
|
</Stack>
|
||||||
|
{/* Navigation bar overlays the scroll area */}
|
||||||
|
<div
|
||||||
|
style={{
|
||||||
|
position: "absolute",
|
||||||
|
left: 0,
|
||||||
|
right: 0,
|
||||||
|
bottom: 0,
|
||||||
|
zIndex: 50,
|
||||||
|
display: "flex",
|
||||||
|
justifyContent: "center",
|
||||||
|
pointerEvents: "none",
|
||||||
|
background: "transparent",
|
||||||
|
|
||||||
|
}}
|
||||||
|
>
|
||||||
|
<Paper
|
||||||
|
radius="xl xl 0 0"
|
||||||
|
shadow="sm"
|
||||||
|
p={12}
|
||||||
|
pb={12}
|
||||||
|
style={{
|
||||||
|
display: "flex",
|
||||||
|
alignItems: "center",
|
||||||
|
gap: 10,
|
||||||
|
borderTopLeftRadius: 16,
|
||||||
|
borderTopRightRadius: 16,
|
||||||
|
borderBottomLeftRadius: 0,
|
||||||
|
borderBottomRightRadius: 0,
|
||||||
|
boxShadow: "0 -2px 8px rgba(0,0,0,0.04)",
|
||||||
|
pointerEvents: "auto",
|
||||||
|
minWidth: 420,
|
||||||
|
maxWidth: 700,
|
||||||
|
flexWrap: "wrap",
|
||||||
|
}}
|
||||||
|
>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={() => {
|
||||||
|
scrollToPage(1);
|
||||||
|
}}
|
||||||
|
disabled={currentPage === 1}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
>
|
||||||
|
<FirstPageIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={() => {
|
||||||
|
const prevPage = Math.max(1, (currentPage || 1) - 1);
|
||||||
|
scrollToPage(prevPage);
|
||||||
|
}}
|
||||||
|
disabled={currentPage === 1}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
>
|
||||||
|
<ArrowBackIosNewIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
<NumberInput
|
||||||
|
value={currentPage || 1}
|
||||||
|
onChange={value => {
|
||||||
|
const page = Number(value);
|
||||||
|
if (!isNaN(page) && page >= 1 && page <= numPages) {
|
||||||
|
scrollToPage(page);
|
||||||
|
}
|
||||||
|
}}
|
||||||
|
min={1}
|
||||||
|
max={numPages}
|
||||||
|
hideControls
|
||||||
|
styles={{
|
||||||
|
input: { width: 48, textAlign: "center", fontWeight: 500, fontSize: 16},
|
||||||
|
}}
|
||||||
|
/>
|
||||||
|
<span style={{ fontWeight: 500, fontSize: 16 }}>
|
||||||
|
/ {numPages}
|
||||||
|
</span>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={() => {
|
||||||
|
const nextPage = Math.min(numPages, (currentPage || 1) + 1);
|
||||||
|
scrollToPage(nextPage);
|
||||||
|
}}
|
||||||
|
disabled={currentPage === numPages}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
>
|
||||||
|
<ArrowForwardIosIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={() => {
|
||||||
|
scrollToPage(numPages);
|
||||||
|
}}
|
||||||
|
disabled={currentPage === numPages}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
>
|
||||||
|
<LastPageIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
<Button
|
||||||
|
variant={dualPage ? "filled" : "light"}
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
radius="xl"
|
||||||
|
onClick={() => setDualPage(v => !v)}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
title={dualPage ? t("viewer.singlePageView", "Single Page View") : t("viewer.dualPageView", "Dual Page View")}
|
||||||
|
>
|
||||||
|
{dualPage ? <DescriptionIcon fontSize="small" /> : <ViewWeekIcon fontSize="small" />}
|
||||||
|
</Button>
|
||||||
|
<Group gap={4} align="center" style={{ marginLeft: 16 }}>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
radius="xl"
|
||||||
|
onClick={() => setZoom(z => Math.max(0.1, z - 0.1))}
|
||||||
|
style={{ minWidth: 32, padding: 0 }}
|
||||||
|
title={t("viewer.zoomOut", "Zoom out")}
|
||||||
|
>−</Button>
|
||||||
|
<span style={{ minWidth: 40, textAlign: "center" }}>{Math.round(zoom * 100)}%</span>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
radius="xl"
|
||||||
|
onClick={() => setZoom(z => Math.min(5, z + 0.1))}
|
||||||
|
style={{ minWidth: 32, padding: 0 }}
|
||||||
|
title={t("viewer.zoomIn", "Zoom in")}
|
||||||
|
>+</Button>
|
||||||
|
</Group>
|
||||||
|
</Paper>
|
||||||
|
</div>
|
||||||
|
</ScrollArea>
|
||||||
|
)}
|
||||||
|
</>
|
||||||
|
)}
|
||||||
|
|
||||||
|
</Box>
|
||||||
|
);
|
||||||
|
};
|
||||||
|
|
||||||
|
export default Viewer;
|
||||||
264
frontend/src/components/viewer/PdfViewerToolbar.tsx
Normal file
264
frontend/src/components/viewer/PdfViewerToolbar.tsx
Normal file
@ -0,0 +1,264 @@
|
|||||||
|
import React, { useState, useEffect } from 'react';
|
||||||
|
import { Button, Paper, Group, NumberInput } from '@mantine/core';
|
||||||
|
import { useTranslation } from 'react-i18next';
|
||||||
|
import FirstPageIcon from '@mui/icons-material/FirstPage';
|
||||||
|
import ArrowBackIosIcon from '@mui/icons-material/ArrowBackIos';
|
||||||
|
import ArrowForwardIosIcon from '@mui/icons-material/ArrowForwardIos';
|
||||||
|
import LastPageIcon from '@mui/icons-material/LastPage';
|
||||||
|
import DescriptionIcon from '@mui/icons-material/Description';
|
||||||
|
import ViewWeekIcon from '@mui/icons-material/ViewWeek';
|
||||||
|
|
||||||
|
interface PdfViewerToolbarProps {
|
||||||
|
// Page navigation props (placeholders for now)
|
||||||
|
currentPage?: number;
|
||||||
|
totalPages?: number;
|
||||||
|
onPageChange?: (page: number) => void;
|
||||||
|
|
||||||
|
// Dual page toggle (placeholder for now)
|
||||||
|
dualPage?: boolean;
|
||||||
|
onDualPageToggle?: () => void;
|
||||||
|
|
||||||
|
// Zoom controls (will connect to window.embedPdfZoom)
|
||||||
|
currentZoom?: number;
|
||||||
|
}
|
||||||
|
|
||||||
|
export function PdfViewerToolbar({
|
||||||
|
currentPage = 1,
|
||||||
|
totalPages = 1,
|
||||||
|
onPageChange,
|
||||||
|
dualPage = false,
|
||||||
|
onDualPageToggle,
|
||||||
|
currentZoom = 100,
|
||||||
|
}: PdfViewerToolbarProps) {
|
||||||
|
const { t } = useTranslation();
|
||||||
|
const [pageInput, setPageInput] = useState(currentPage);
|
||||||
|
const [dynamicZoom, setDynamicZoom] = useState(currentZoom);
|
||||||
|
const [dynamicPage, setDynamicPage] = useState(currentPage);
|
||||||
|
const [dynamicTotalPages, setDynamicTotalPages] = useState(totalPages);
|
||||||
|
|
||||||
|
// Update zoom and scroll state from EmbedPDF APIs
|
||||||
|
useEffect(() => {
|
||||||
|
const updateState = () => {
|
||||||
|
// Update zoom
|
||||||
|
if ((window as any).embedPdfZoom) {
|
||||||
|
const zoomPercent = (window as any).embedPdfZoom.zoomPercent || currentZoom;
|
||||||
|
setDynamicZoom(zoomPercent);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Update scroll/page state
|
||||||
|
if ((window as any).embedPdfScroll) {
|
||||||
|
const currentPageNum = (window as any).embedPdfScroll.currentPage || currentPage;
|
||||||
|
const totalPagesNum = (window as any).embedPdfScroll.totalPages || totalPages;
|
||||||
|
setDynamicPage(currentPageNum);
|
||||||
|
setDynamicTotalPages(totalPagesNum);
|
||||||
|
setPageInput(currentPageNum);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// Update state immediately
|
||||||
|
updateState();
|
||||||
|
|
||||||
|
// Set up periodic updates to keep state in sync
|
||||||
|
const interval = setInterval(updateState, 200);
|
||||||
|
|
||||||
|
return () => clearInterval(interval);
|
||||||
|
}, [currentZoom, currentPage, totalPages]);
|
||||||
|
|
||||||
|
const handleZoomOut = () => {
|
||||||
|
if ((window as any).embedPdfZoom) {
|
||||||
|
(window as any).embedPdfZoom.zoomOut();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
const handleZoomIn = () => {
|
||||||
|
if ((window as any).embedPdfZoom) {
|
||||||
|
(window as any).embedPdfZoom.zoomIn();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
const handlePageNavigation = (page: number) => {
|
||||||
|
if ((window as any).embedPdfScroll) {
|
||||||
|
(window as any).embedPdfScroll.scrollToPage(page);
|
||||||
|
} else if (onPageChange) {
|
||||||
|
onPageChange(page);
|
||||||
|
}
|
||||||
|
setPageInput(page);
|
||||||
|
};
|
||||||
|
|
||||||
|
const handleFirstPage = () => {
|
||||||
|
if ((window as any).embedPdfScroll) {
|
||||||
|
(window as any).embedPdfScroll.scrollToFirstPage();
|
||||||
|
} else {
|
||||||
|
handlePageNavigation(1);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
const handlePreviousPage = () => {
|
||||||
|
if ((window as any).embedPdfScroll) {
|
||||||
|
(window as any).embedPdfScroll.scrollToPreviousPage();
|
||||||
|
} else {
|
||||||
|
handlePageNavigation(Math.max(1, dynamicPage - 1));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
const handleNextPage = () => {
|
||||||
|
if ((window as any).embedPdfScroll) {
|
||||||
|
(window as any).embedPdfScroll.scrollToNextPage();
|
||||||
|
} else {
|
||||||
|
handlePageNavigation(Math.min(dynamicTotalPages, dynamicPage + 1));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
const handleLastPage = () => {
|
||||||
|
if ((window as any).embedPdfScroll) {
|
||||||
|
(window as any).embedPdfScroll.scrollToLastPage();
|
||||||
|
} else {
|
||||||
|
handlePageNavigation(dynamicTotalPages);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
return (
|
||||||
|
<Paper
|
||||||
|
radius="xl xl 0 0"
|
||||||
|
shadow="sm"
|
||||||
|
p={12}
|
||||||
|
pb={12}
|
||||||
|
style={{
|
||||||
|
display: "flex",
|
||||||
|
alignItems: "center",
|
||||||
|
gap: 10,
|
||||||
|
borderTopLeftRadius: 16,
|
||||||
|
borderTopRightRadius: 16,
|
||||||
|
borderBottomLeftRadius: 0,
|
||||||
|
borderBottomRightRadius: 0,
|
||||||
|
boxShadow: "0 -2px 8px rgba(0,0,0,0.04)",
|
||||||
|
pointerEvents: "auto",
|
||||||
|
minWidth: 420,
|
||||||
|
}}
|
||||||
|
>
|
||||||
|
{/* First Page Button */}
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={handleFirstPage}
|
||||||
|
disabled={dynamicPage === 1}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
title={t("viewer.firstPage", "First Page")}
|
||||||
|
>
|
||||||
|
<FirstPageIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
|
||||||
|
{/* Previous Page Button */}
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={handlePreviousPage}
|
||||||
|
disabled={dynamicPage === 1}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
title={t("viewer.previousPage", "Previous Page")}
|
||||||
|
>
|
||||||
|
<ArrowBackIosIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
|
||||||
|
{/* Page Input */}
|
||||||
|
<NumberInput
|
||||||
|
value={pageInput}
|
||||||
|
onChange={(value) => {
|
||||||
|
const page = Number(value);
|
||||||
|
setPageInput(page);
|
||||||
|
if (!isNaN(page) && page >= 1 && page <= dynamicTotalPages) {
|
||||||
|
handlePageNavigation(page);
|
||||||
|
}
|
||||||
|
}}
|
||||||
|
min={1}
|
||||||
|
max={dynamicTotalPages}
|
||||||
|
hideControls
|
||||||
|
styles={{
|
||||||
|
input: { width: 48, textAlign: "center", fontWeight: 500, fontSize: 16 },
|
||||||
|
}}
|
||||||
|
/>
|
||||||
|
|
||||||
|
<span style={{ fontWeight: 500, fontSize: 16 }}>
|
||||||
|
/ {dynamicTotalPages}
|
||||||
|
</span>
|
||||||
|
|
||||||
|
{/* Next Page Button */}
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={handleNextPage}
|
||||||
|
disabled={dynamicPage === dynamicTotalPages}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
title={t("viewer.nextPage", "Next Page")}
|
||||||
|
>
|
||||||
|
<ArrowForwardIosIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
|
||||||
|
{/* Last Page Button */}
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
px={8}
|
||||||
|
radius="xl"
|
||||||
|
onClick={handleLastPage}
|
||||||
|
disabled={dynamicPage === dynamicTotalPages}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
title={t("viewer.lastPage", "Last Page")}
|
||||||
|
>
|
||||||
|
<LastPageIcon fontSize="small" />
|
||||||
|
</Button>
|
||||||
|
|
||||||
|
{/* Dual Page Toggle */}
|
||||||
|
<Button
|
||||||
|
variant={dualPage ? "filled" : "light"}
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
radius="xl"
|
||||||
|
onClick={onDualPageToggle}
|
||||||
|
style={{ minWidth: 36 }}
|
||||||
|
title={dualPage ? t("viewer.singlePageView", "Single Page View") : t("viewer.dualPageView", "Dual Page View")}
|
||||||
|
>
|
||||||
|
{dualPage ? <DescriptionIcon fontSize="small" /> : <ViewWeekIcon fontSize="small" />}
|
||||||
|
</Button>
|
||||||
|
|
||||||
|
{/* Zoom Controls */}
|
||||||
|
<Group gap={4} align="center" style={{ marginLeft: 16 }}>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
radius="xl"
|
||||||
|
onClick={handleZoomOut}
|
||||||
|
style={{ minWidth: 32, padding: 0 }}
|
||||||
|
title={t("viewer.zoomOut", "Zoom out")}
|
||||||
|
>
|
||||||
|
−
|
||||||
|
</Button>
|
||||||
|
<span style={{ minWidth: 40, textAlign: "center" }}>
|
||||||
|
{dynamicZoom}%
|
||||||
|
</span>
|
||||||
|
<Button
|
||||||
|
variant="subtle"
|
||||||
|
color="blue"
|
||||||
|
size="md"
|
||||||
|
radius="xl"
|
||||||
|
onClick={handleZoomIn}
|
||||||
|
style={{ minWidth: 32, padding: 0 }}
|
||||||
|
title={t("viewer.zoomIn", "Zoom in")}
|
||||||
|
>
|
||||||
|
+
|
||||||
|
</Button>
|
||||||
|
</Group>
|
||||||
|
</Paper>
|
||||||
|
);
|
||||||
|
}
|
||||||
27
frontend/src/components/viewer/ScrollControlsExporter.tsx
Normal file
27
frontend/src/components/viewer/ScrollControlsExporter.tsx
Normal file
@ -0,0 +1,27 @@
|
|||||||
|
import { useEffect } from 'react';
|
||||||
|
import { useScroll } from '@embedpdf/plugin-scroll/react';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Component that runs inside EmbedPDF context and exports scroll controls globally
|
||||||
|
*/
|
||||||
|
export function ScrollControlsExporter() {
|
||||||
|
const { provides: scroll, state: scrollState } = useScroll();
|
||||||
|
|
||||||
|
useEffect(() => {
|
||||||
|
if (scroll && scrollState) {
|
||||||
|
// Export scroll controls to global window for toolbar access
|
||||||
|
(window as any).embedPdfScroll = {
|
||||||
|
scrollToPage: (page: number) => scroll.scrollToPage({ pageNumber: page }),
|
||||||
|
scrollToNextPage: () => scroll.scrollToNextPage(),
|
||||||
|
scrollToPreviousPage: () => scroll.scrollToPreviousPage(),
|
||||||
|
scrollToFirstPage: () => scroll.scrollToPage({ pageNumber: 1 }),
|
||||||
|
scrollToLastPage: () => scroll.scrollToPage({ pageNumber: scrollState.totalPages }),
|
||||||
|
currentPage: scrollState.currentPage,
|
||||||
|
totalPages: scrollState.totalPages,
|
||||||
|
};
|
||||||
|
|
||||||
|
}
|
||||||
|
}, [scroll, scrollState]);
|
||||||
|
|
||||||
|
return null; // This component doesn't render anything
|
||||||
|
}
|
||||||
@ -1,687 +1,16 @@
|
|||||||
import React, { useEffect, useState, useRef, useCallback } from "react";
|
import React from 'react';
|
||||||
import { Paper, Stack, Text, ScrollArea, Center, Button, Group, NumberInput, useMantineTheme, ActionIcon, Box, Tabs } from "@mantine/core";
|
import EmbedPdfViewer from './EmbedPdfViewer';
|
||||||
import { useTranslation } from "react-i18next";
|
|
||||||
import { pdfWorkerManager } from "../../services/pdfWorkerManager";
|
|
||||||
import ArrowBackIosNewIcon from "@mui/icons-material/ArrowBackIosNew";
|
|
||||||
import ArrowForwardIosIcon from "@mui/icons-material/ArrowForwardIos";
|
|
||||||
import FirstPageIcon from "@mui/icons-material/FirstPage";
|
|
||||||
import LastPageIcon from "@mui/icons-material/LastPage";
|
|
||||||
import ViewWeekIcon from "@mui/icons-material/ViewWeek"; // for dual page (book)
|
|
||||||
import DescriptionIcon from "@mui/icons-material/Description"; // for single page
|
|
||||||
import CloseIcon from "@mui/icons-material/Close";
|
|
||||||
import { fileStorage } from "../../services/fileStorage";
|
|
||||||
import SkeletonLoader from '../shared/SkeletonLoader';
|
|
||||||
import { useFileState } from "../../contexts/FileContext";
|
|
||||||
import { useFileWithUrl } from "../../hooks/useFileWithUrl";
|
|
||||||
import { isFileObject } from "../../types/fileContext";
|
|
||||||
import { FileId } from "../../types/file";
|
|
||||||
|
|
||||||
|
|
||||||
// Lazy loading page image component
|
|
||||||
interface LazyPageImageProps {
|
|
||||||
pageIndex: number;
|
|
||||||
zoom: number;
|
|
||||||
theme: any;
|
|
||||||
isFirst: boolean;
|
|
||||||
renderPage: (pageIndex: number) => Promise<string | null>;
|
|
||||||
pageImages: (string | null)[];
|
|
||||||
setPageRef: (index: number, ref: HTMLImageElement | null) => void;
|
|
||||||
}
|
|
||||||
|
|
||||||
const LazyPageImage = ({
|
|
||||||
pageIndex, zoom, theme, isFirst, renderPage, pageImages, setPageRef
|
|
||||||
}: LazyPageImageProps) => {
|
|
||||||
const [isVisible, setIsVisible] = useState(false);
|
|
||||||
const [imageUrl, setImageUrl] = useState<string | null>(null);
|
|
||||||
const imgRef = useRef<HTMLImageElement>(null);
|
|
||||||
|
|
||||||
useEffect(() => {
|
|
||||||
const observer = new IntersectionObserver(
|
|
||||||
(entries) => {
|
|
||||||
entries.forEach((entry) => {
|
|
||||||
if (entry.isIntersecting && !imageUrl) {
|
|
||||||
setIsVisible(true);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
},
|
|
||||||
{
|
|
||||||
rootMargin: '200px', // Start loading 200px before visible
|
|
||||||
threshold: 0.1
|
|
||||||
}
|
|
||||||
);
|
|
||||||
|
|
||||||
if (imgRef.current) {
|
|
||||||
observer.observe(imgRef.current);
|
|
||||||
}
|
|
||||||
|
|
||||||
return () => observer.disconnect();
|
|
||||||
}, [imageUrl]);
|
|
||||||
|
|
||||||
// Update local state when pageImages changes (from preloading)
|
|
||||||
useEffect(() => {
|
|
||||||
if (pageImages[pageIndex]) {
|
|
||||||
setImageUrl(pageImages[pageIndex]);
|
|
||||||
}
|
|
||||||
}, [pageImages, pageIndex]);
|
|
||||||
|
|
||||||
useEffect(() => {
|
|
||||||
if (isVisible && !imageUrl) {
|
|
||||||
renderPage(pageIndex).then((url) => {
|
|
||||||
if (url) setImageUrl(url);
|
|
||||||
});
|
|
||||||
}
|
|
||||||
}, [isVisible, imageUrl, pageIndex, renderPage]);
|
|
||||||
|
|
||||||
useEffect(() => {
|
|
||||||
if (imgRef.current) {
|
|
||||||
setPageRef(pageIndex, imgRef.current);
|
|
||||||
}
|
|
||||||
}, [pageIndex, setPageRef]);
|
|
||||||
|
|
||||||
if (imageUrl) {
|
|
||||||
return (
|
|
||||||
<img
|
|
||||||
ref={imgRef}
|
|
||||||
src={imageUrl}
|
|
||||||
alt={`Page ${pageIndex + 1}`}
|
|
||||||
style={{
|
|
||||||
width: `${100 * zoom}%`,
|
|
||||||
maxWidth: 700 * zoom,
|
|
||||||
boxShadow: "0 2px 8px rgba(0,0,0,0.08)",
|
|
||||||
borderRadius: 8,
|
|
||||||
marginTop: isFirst ? theme.spacing.xl : 0,
|
|
||||||
}}
|
|
||||||
/>
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Placeholder while loading
|
|
||||||
return (
|
|
||||||
<div
|
|
||||||
ref={imgRef}
|
|
||||||
style={{
|
|
||||||
width: `${100 * zoom}%`,
|
|
||||||
maxWidth: 700 * zoom,
|
|
||||||
height: 800 * zoom, // Estimated height
|
|
||||||
backgroundColor: '#f5f5f5',
|
|
||||||
display: 'flex',
|
|
||||||
alignItems: 'center',
|
|
||||||
justifyContent: 'center',
|
|
||||||
borderRadius: 8,
|
|
||||||
marginTop: isFirst ? theme.spacing.xl : 0,
|
|
||||||
border: '1px dashed #ccc'
|
|
||||||
}}
|
|
||||||
>
|
|
||||||
{isVisible ? (
|
|
||||||
<div style={{ textAlign: 'center' }}>
|
|
||||||
<div style={{
|
|
||||||
width: 20,
|
|
||||||
height: 20,
|
|
||||||
border: '2px solid #ddd',
|
|
||||||
borderTop: '2px solid #666',
|
|
||||||
borderRadius: '50%',
|
|
||||||
animation: 'spin 1s linear infinite',
|
|
||||||
margin: '0 auto 8px'
|
|
||||||
}} />
|
|
||||||
<Text size="sm" c="dimmed">Loading page {pageIndex + 1}...</Text>
|
|
||||||
</div>
|
|
||||||
) : (
|
|
||||||
<Text size="sm" c="dimmed">Page {pageIndex + 1}</Text>
|
|
||||||
)}
|
|
||||||
</div>
|
|
||||||
);
|
|
||||||
};
|
|
||||||
|
|
||||||
export interface ViewerProps {
|
export interface ViewerProps {
|
||||||
sidebarsVisible: boolean;
|
sidebarsVisible: boolean;
|
||||||
setSidebarsVisible: (v: boolean) => void;
|
setSidebarsVisible: (v: boolean) => void;
|
||||||
onClose?: () => void;
|
onClose?: () => void;
|
||||||
previewFile: File | null; // For preview mode - bypasses context
|
previewFile?: File | null;
|
||||||
}
|
}
|
||||||
|
|
||||||
const Viewer = ({
|
const Viewer = (props: ViewerProps) => {
|
||||||
onClose,
|
// Default to EmbedPDF viewer
|
||||||
previewFile,
|
return <EmbedPdfViewer {...props} />;
|
||||||
}: ViewerProps) => {
|
|
||||||
const { t } = useTranslation();
|
|
||||||
const theme = useMantineTheme();
|
|
||||||
|
|
||||||
// Get current file from FileContext
|
|
||||||
const { selectors } = useFileState();
|
|
||||||
|
|
||||||
const activeFiles = selectors.getFiles();
|
|
||||||
|
|
||||||
// Tab management for multiple files
|
|
||||||
const [activeTab, setActiveTab] = useState<string>("0");
|
|
||||||
|
|
||||||
// Reset PDF state when switching tabs
|
|
||||||
const handleTabChange = (newTab: string) => {
|
|
||||||
setActiveTab(newTab);
|
|
||||||
setNumPages(0);
|
|
||||||
setPageImages([]);
|
|
||||||
setCurrentPage(null);
|
|
||||||
setLoading(true);
|
|
||||||
};
|
|
||||||
const [numPages, setNumPages] = useState<number>(0);
|
|
||||||
const [pageImages, setPageImages] = useState<string[]>([]);
|
|
||||||
const [loading, setLoading] = useState<boolean>(false);
|
|
||||||
const [currentPage, setCurrentPage] = useState<number | null>(null);
|
|
||||||
const [dualPage, setDualPage] = useState(false);
|
|
||||||
const [zoom, setZoom] = useState(1); // 1 = 100%
|
|
||||||
const pageRefs = useRef<(HTMLImageElement | null)[]>([]);
|
|
||||||
|
|
||||||
// Memoize setPageRef to prevent infinite re-renders
|
|
||||||
const setPageRef = useCallback((index: number, ref: HTMLImageElement | null) => {
|
|
||||||
pageRefs.current[index] = ref;
|
|
||||||
}, []);
|
|
||||||
|
|
||||||
// Get files with URLs for tabs - we'll need to create these individually
|
|
||||||
const file0WithUrl = useFileWithUrl(activeFiles[0]);
|
|
||||||
const file1WithUrl = useFileWithUrl(activeFiles[1]);
|
|
||||||
const file2WithUrl = useFileWithUrl(activeFiles[2]);
|
|
||||||
const file3WithUrl = useFileWithUrl(activeFiles[3]);
|
|
||||||
const file4WithUrl = useFileWithUrl(activeFiles[4]);
|
|
||||||
|
|
||||||
const filesWithUrls = React.useMemo(() => {
|
|
||||||
return [file0WithUrl, file1WithUrl, file2WithUrl, file3WithUrl, file4WithUrl]
|
|
||||||
.slice(0, activeFiles.length)
|
|
||||||
.filter(Boolean);
|
|
||||||
}, [file0WithUrl, file1WithUrl, file2WithUrl, file3WithUrl, file4WithUrl, activeFiles.length]);
|
|
||||||
|
|
||||||
// Use preview file if available, otherwise use active tab file
|
|
||||||
const effectiveFile = React.useMemo(() => {
|
|
||||||
if (previewFile) {
|
|
||||||
// Validate the preview file
|
|
||||||
if (!isFileObject(previewFile)) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (previewFile.size === 0) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
return { file: previewFile, url: null };
|
|
||||||
} else {
|
|
||||||
// Use the file from the active tab
|
|
||||||
const tabIndex = parseInt(activeTab);
|
|
||||||
return filesWithUrls[tabIndex] || null;
|
|
||||||
}
|
|
||||||
}, [previewFile, filesWithUrls, activeTab]);
|
|
||||||
|
|
||||||
const scrollAreaRef = useRef<HTMLDivElement>(null);
|
|
||||||
const pdfDocRef = useRef<any>(null);
|
|
||||||
const renderingPagesRef = useRef<Set<number>>(new Set());
|
|
||||||
const currentArrayBufferRef = useRef<ArrayBuffer | null>(null);
|
|
||||||
const preloadingRef = useRef<boolean>(false);
|
|
||||||
|
|
||||||
// Function to render a specific page on-demand
|
|
||||||
const renderPage = async (pageIndex: number): Promise<string | null> => {
|
|
||||||
if (!pdfDocRef.current || renderingPagesRef.current.has(pageIndex)) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
const pageNum = pageIndex + 1;
|
|
||||||
if (pageImages[pageIndex]) {
|
|
||||||
return pageImages[pageIndex]; // Already rendered
|
|
||||||
}
|
|
||||||
|
|
||||||
renderingPagesRef.current.add(pageIndex);
|
|
||||||
|
|
||||||
try {
|
|
||||||
const page = await pdfDocRef.current.getPage(pageNum);
|
|
||||||
const viewport = page.getViewport({ scale: 1.2 });
|
|
||||||
const canvas = document.createElement("canvas");
|
|
||||||
canvas.width = viewport.width;
|
|
||||||
canvas.height = viewport.height;
|
|
||||||
const ctx = canvas.getContext("2d");
|
|
||||||
|
|
||||||
if (ctx) {
|
|
||||||
await page.render({ canvasContext: ctx, viewport }).promise;
|
|
||||||
const dataUrl = canvas.toDataURL();
|
|
||||||
|
|
||||||
// Update the pageImages array
|
|
||||||
setPageImages(prev => {
|
|
||||||
const newImages = [...prev];
|
|
||||||
newImages[pageIndex] = dataUrl;
|
|
||||||
return newImages;
|
|
||||||
});
|
|
||||||
|
|
||||||
renderingPagesRef.current.delete(pageIndex);
|
|
||||||
return dataUrl;
|
|
||||||
}
|
|
||||||
} catch (error) {
|
|
||||||
console.error(`Failed to render page ${pageNum}:`, error);
|
|
||||||
}
|
|
||||||
|
|
||||||
renderingPagesRef.current.delete(pageIndex);
|
|
||||||
return null;
|
|
||||||
};
|
|
||||||
|
|
||||||
// Progressive preloading function
|
|
||||||
const startProgressivePreload = async () => {
|
|
||||||
if (!pdfDocRef.current || preloadingRef.current || numPages === 0) return;
|
|
||||||
|
|
||||||
preloadingRef.current = true;
|
|
||||||
|
|
||||||
// Start with first few pages for immediate viewing
|
|
||||||
const priorityPages = [0, 1, 2, 3, 4]; // First 5 pages
|
|
||||||
|
|
||||||
// Render priority pages first
|
|
||||||
for (const pageIndex of priorityPages) {
|
|
||||||
if (pageIndex < numPages && !pageImages[pageIndex]) {
|
|
||||||
await renderPage(pageIndex);
|
|
||||||
// Small delay to allow UI to update
|
|
||||||
await new Promise(resolve => setTimeout(resolve, 50));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Then render remaining pages in background
|
|
||||||
for (let pageIndex = 5; pageIndex < numPages; pageIndex++) {
|
|
||||||
if (!pageImages[pageIndex]) {
|
|
||||||
await renderPage(pageIndex);
|
|
||||||
// Longer delay for background loading to not block UI
|
|
||||||
await new Promise(resolve => setTimeout(resolve, 100));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
preloadingRef.current = false;
|
|
||||||
};
|
|
||||||
|
|
||||||
// Initialize current page when PDF loads
|
|
||||||
useEffect(() => {
|
|
||||||
if (numPages > 0 && !currentPage) {
|
|
||||||
setCurrentPage(1);
|
|
||||||
}
|
|
||||||
}, [numPages, currentPage]);
|
|
||||||
|
|
||||||
// Function to scroll to a specific page
|
|
||||||
const scrollToPage = (pageNumber: number) => {
|
|
||||||
const el = pageRefs.current[pageNumber - 1];
|
|
||||||
const scrollArea = scrollAreaRef.current;
|
|
||||||
|
|
||||||
if (el && scrollArea) {
|
|
||||||
const scrollAreaRect = scrollArea.getBoundingClientRect();
|
|
||||||
const elRect = el.getBoundingClientRect();
|
|
||||||
const currentScrollTop = scrollArea.scrollTop;
|
|
||||||
|
|
||||||
// Position page near top of viewport with some padding
|
|
||||||
const targetScrollTop = currentScrollTop + (elRect.top - scrollAreaRect.top) - 20;
|
|
||||||
|
|
||||||
scrollArea.scrollTo({
|
|
||||||
top: targetScrollTop,
|
|
||||||
behavior: "smooth"
|
|
||||||
});
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
// Throttled scroll handler to prevent jerky updates
|
|
||||||
const handleScrollThrottled = useCallback(() => {
|
|
||||||
const scrollArea = scrollAreaRef.current;
|
|
||||||
if (!scrollArea || !pageRefs.current.length) return;
|
|
||||||
|
|
||||||
const areaRect = scrollArea.getBoundingClientRect();
|
|
||||||
const viewportCenter = areaRect.top + areaRect.height / 2;
|
|
||||||
let closestIdx = 0;
|
|
||||||
let minDist = Infinity;
|
|
||||||
|
|
||||||
pageRefs.current.forEach((img, idx) => {
|
|
||||||
if (img) {
|
|
||||||
const imgRect = img.getBoundingClientRect();
|
|
||||||
const imgCenter = imgRect.top + imgRect.height / 2;
|
|
||||||
const dist = Math.abs(imgCenter - viewportCenter);
|
|
||||||
if (dist < minDist) {
|
|
||||||
minDist = dist;
|
|
||||||
closestIdx = idx;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
// Update page number display only if changed
|
|
||||||
if (currentPage !== closestIdx + 1) {
|
|
||||||
setCurrentPage(closestIdx + 1);
|
|
||||||
}
|
|
||||||
}, [currentPage]);
|
|
||||||
|
|
||||||
// Throttle scroll events to reduce jerkiness
|
|
||||||
const handleScroll = useCallback(() => {
|
|
||||||
if (window.requestAnimationFrame) {
|
|
||||||
window.requestAnimationFrame(handleScrollThrottled);
|
|
||||||
} else {
|
|
||||||
handleScrollThrottled();
|
|
||||||
}
|
|
||||||
}, [handleScrollThrottled]);
|
|
||||||
|
|
||||||
useEffect(() => {
|
|
||||||
let cancelled = false;
|
|
||||||
async function loadPdfInfo() {
|
|
||||||
if (!effectiveFile) {
|
|
||||||
setNumPages(0);
|
|
||||||
setPageImages([]);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
setLoading(true);
|
|
||||||
try {
|
|
||||||
let pdfData;
|
|
||||||
|
|
||||||
// For preview files, use ArrayBuffer directly to avoid blob URL issues
|
|
||||||
if (previewFile && effectiveFile.file === previewFile) {
|
|
||||||
const arrayBuffer = await previewFile.arrayBuffer();
|
|
||||||
pdfData = { data: arrayBuffer };
|
|
||||||
}
|
|
||||||
// Handle special IndexedDB URLs for large files
|
|
||||||
else if (effectiveFile.url?.startsWith('indexeddb:')) {
|
|
||||||
const fileId = effectiveFile.url.replace('indexeddb:', '') as FileId /* FIX ME: Not sure this is right - at least probably not the right place for this logic */;
|
|
||||||
|
|
||||||
// Get data directly from IndexedDB
|
|
||||||
const arrayBuffer = await fileStorage.getFileData(fileId);
|
|
||||||
if (!arrayBuffer) {
|
|
||||||
throw new Error('File not found in IndexedDB - may have been purged by browser');
|
|
||||||
}
|
|
||||||
|
|
||||||
// Store reference for cleanup
|
|
||||||
currentArrayBufferRef.current = arrayBuffer;
|
|
||||||
pdfData = { data: arrayBuffer };
|
|
||||||
} else if (effectiveFile.url) {
|
|
||||||
// Standard blob URL or regular URL
|
|
||||||
pdfData = effectiveFile.url;
|
|
||||||
} else {
|
|
||||||
throw new Error('No valid PDF source available');
|
|
||||||
}
|
|
||||||
|
|
||||||
const pdf = await pdfWorkerManager.createDocument(pdfData);
|
|
||||||
pdfDocRef.current = pdf;
|
|
||||||
setNumPages(pdf.numPages);
|
|
||||||
if (!cancelled) {
|
|
||||||
setPageImages(new Array(pdf.numPages).fill(null));
|
|
||||||
// Start progressive preloading after a short delay
|
|
||||||
setTimeout(() => startProgressivePreload(), 100);
|
|
||||||
}
|
|
||||||
} catch {
|
|
||||||
if (!cancelled) {
|
|
||||||
setPageImages([]);
|
|
||||||
setNumPages(0);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (!cancelled) setLoading(false);
|
|
||||||
}
|
|
||||||
loadPdfInfo();
|
|
||||||
return () => {
|
|
||||||
cancelled = true;
|
|
||||||
// Stop any ongoing preloading
|
|
||||||
preloadingRef.current = false;
|
|
||||||
// Cleanup PDF document using worker manager
|
|
||||||
if (pdfDocRef.current) {
|
|
||||||
pdfWorkerManager.destroyDocument(pdfDocRef.current);
|
|
||||||
pdfDocRef.current = null;
|
|
||||||
}
|
|
||||||
// Cleanup ArrayBuffer reference to help garbage collection
|
|
||||||
currentArrayBufferRef.current = null;
|
|
||||||
};
|
|
||||||
}, [effectiveFile, previewFile]);
|
|
||||||
|
|
||||||
useEffect(() => {
|
|
||||||
const viewport = scrollAreaRef.current;
|
|
||||||
if (!viewport) return;
|
|
||||||
const handler = () => {
|
|
||||||
handleScroll();
|
|
||||||
};
|
|
||||||
viewport.addEventListener("scroll", handler);
|
|
||||||
return () => viewport.removeEventListener("scroll", handler);
|
|
||||||
}, [pageImages]);
|
|
||||||
|
|
||||||
return (
|
|
||||||
<Box style={{ position: 'relative', height: '100%', display: 'flex', flexDirection: 'column' }}>
|
|
||||||
{/* Close Button - Only show in preview mode */}
|
|
||||||
{onClose && previewFile && (
|
|
||||||
<ActionIcon
|
|
||||||
variant="filled"
|
|
||||||
color="gray"
|
|
||||||
size="lg"
|
|
||||||
style={{
|
|
||||||
position: 'absolute',
|
|
||||||
top: '1rem',
|
|
||||||
right: '1rem',
|
|
||||||
zIndex: 1000,
|
|
||||||
borderRadius: '50%',
|
|
||||||
}}
|
|
||||||
onClick={onClose}
|
|
||||||
>
|
|
||||||
<CloseIcon />
|
|
||||||
</ActionIcon>
|
|
||||||
)}
|
|
||||||
|
|
||||||
{!effectiveFile ? (
|
|
||||||
<Center style={{ flex: 1 }}>
|
|
||||||
<Text c="red">Error: No file provided to viewer</Text>
|
|
||||||
</Center>
|
|
||||||
) : (
|
|
||||||
<>
|
|
||||||
{/* Tabs for multiple files */}
|
|
||||||
{activeFiles.length > 1 && !previewFile && (
|
|
||||||
<Box
|
|
||||||
style={{
|
|
||||||
borderBottom: '1px solid var(--mantine-color-gray-3)',
|
|
||||||
backgroundColor: 'var(--mantine-color-body)',
|
|
||||||
position: 'relative',
|
|
||||||
zIndex: 100,
|
|
||||||
marginTop: '60px' // Push tabs below TopControls
|
|
||||||
}}
|
|
||||||
>
|
|
||||||
<Tabs value={activeTab} onChange={(value) => handleTabChange(value || "0")}>
|
|
||||||
<Tabs.List>
|
|
||||||
{activeFiles.map((file: any, index: number) => (
|
|
||||||
<Tabs.Tab key={index} value={index.toString()}>
|
|
||||||
{file.name.length > 20 ? `${file.name.substring(0, 20)}...` : file.name}
|
|
||||||
</Tabs.Tab>
|
|
||||||
))}
|
|
||||||
</Tabs.List>
|
|
||||||
</Tabs>
|
|
||||||
</Box>
|
|
||||||
)}
|
|
||||||
|
|
||||||
{loading ? (
|
|
||||||
<div style={{ flex: 1, padding: '1rem' }}>
|
|
||||||
<SkeletonLoader type="viewer" />
|
|
||||||
</div>
|
|
||||||
) : (
|
|
||||||
<ScrollArea
|
|
||||||
style={{ flex: 1, position: "relative"}}
|
|
||||||
viewportRef={scrollAreaRef}
|
|
||||||
>
|
|
||||||
<Stack gap="xl" align="center" >
|
|
||||||
{numPages === 0 && (
|
|
||||||
<Text color="dimmed">{t("viewer.noPagesToDisplay", "No pages to display.")}</Text>
|
|
||||||
)}
|
|
||||||
{dualPage
|
|
||||||
? Array.from({ length: Math.ceil(numPages / 2) }).map((_, i) => (
|
|
||||||
<Group key={i} gap="md" align="flex-start" style={{ width: "100%", justifyContent: "center" }}>
|
|
||||||
<LazyPageImage
|
|
||||||
pageIndex={i * 2}
|
|
||||||
zoom={zoom}
|
|
||||||
theme={theme}
|
|
||||||
isFirst={i === 0}
|
|
||||||
renderPage={renderPage}
|
|
||||||
pageImages={pageImages}
|
|
||||||
setPageRef={setPageRef}
|
|
||||||
/>
|
|
||||||
{i * 2 + 1 < numPages && (
|
|
||||||
<LazyPageImage
|
|
||||||
pageIndex={i * 2 + 1}
|
|
||||||
zoom={zoom}
|
|
||||||
theme={theme}
|
|
||||||
isFirst={i === 0}
|
|
||||||
renderPage={renderPage}
|
|
||||||
pageImages={pageImages}
|
|
||||||
setPageRef={setPageRef}
|
|
||||||
/>
|
|
||||||
)}
|
|
||||||
</Group>
|
|
||||||
))
|
|
||||||
: Array.from({ length: numPages }).map((_, idx) => (
|
|
||||||
<LazyPageImage
|
|
||||||
key={idx}
|
|
||||||
pageIndex={idx}
|
|
||||||
zoom={zoom}
|
|
||||||
theme={theme}
|
|
||||||
isFirst={idx === 0}
|
|
||||||
renderPage={renderPage}
|
|
||||||
pageImages={pageImages}
|
|
||||||
setPageRef={setPageRef}
|
|
||||||
/>
|
|
||||||
))}
|
|
||||||
</Stack>
|
|
||||||
{/* Navigation bar overlays the scroll area */}
|
|
||||||
<div
|
|
||||||
style={{
|
|
||||||
position: "absolute",
|
|
||||||
left: 0,
|
|
||||||
right: 0,
|
|
||||||
bottom: 0,
|
|
||||||
zIndex: 50,
|
|
||||||
display: "flex",
|
|
||||||
justifyContent: "center",
|
|
||||||
pointerEvents: "none",
|
|
||||||
background: "transparent",
|
|
||||||
|
|
||||||
}}
|
|
||||||
>
|
|
||||||
<Paper
|
|
||||||
radius="xl xl 0 0"
|
|
||||||
shadow="sm"
|
|
||||||
p={12}
|
|
||||||
pb={12}
|
|
||||||
style={{
|
|
||||||
display: "flex",
|
|
||||||
alignItems: "center",
|
|
||||||
gap: 10,
|
|
||||||
borderTopLeftRadius: 16,
|
|
||||||
borderTopRightRadius: 16,
|
|
||||||
borderBottomLeftRadius: 0,
|
|
||||||
borderBottomRightRadius: 0,
|
|
||||||
boxShadow: "0 -2px 8px rgba(0,0,0,0.04)",
|
|
||||||
pointerEvents: "auto",
|
|
||||||
minWidth: 420,
|
|
||||||
maxWidth: 700,
|
|
||||||
flexWrap: "wrap",
|
|
||||||
}}
|
|
||||||
>
|
|
||||||
<Button
|
|
||||||
variant="subtle"
|
|
||||||
color="blue"
|
|
||||||
size="md"
|
|
||||||
px={8}
|
|
||||||
radius="xl"
|
|
||||||
onClick={() => {
|
|
||||||
scrollToPage(1);
|
|
||||||
}}
|
|
||||||
disabled={currentPage === 1}
|
|
||||||
style={{ minWidth: 36 }}
|
|
||||||
>
|
|
||||||
<FirstPageIcon fontSize="small" />
|
|
||||||
</Button>
|
|
||||||
<Button
|
|
||||||
variant="subtle"
|
|
||||||
color="blue"
|
|
||||||
size="md"
|
|
||||||
px={8}
|
|
||||||
radius="xl"
|
|
||||||
onClick={() => {
|
|
||||||
const prevPage = Math.max(1, (currentPage || 1) - 1);
|
|
||||||
scrollToPage(prevPage);
|
|
||||||
}}
|
|
||||||
disabled={currentPage === 1}
|
|
||||||
style={{ minWidth: 36 }}
|
|
||||||
>
|
|
||||||
<ArrowBackIosNewIcon fontSize="small" />
|
|
||||||
</Button>
|
|
||||||
<NumberInput
|
|
||||||
value={currentPage || 1}
|
|
||||||
onChange={value => {
|
|
||||||
const page = Number(value);
|
|
||||||
if (!isNaN(page) && page >= 1 && page <= numPages) {
|
|
||||||
scrollToPage(page);
|
|
||||||
}
|
|
||||||
}}
|
|
||||||
min={1}
|
|
||||||
max={numPages}
|
|
||||||
hideControls
|
|
||||||
styles={{
|
|
||||||
input: { width: 48, textAlign: "center", fontWeight: 500, fontSize: 16},
|
|
||||||
}}
|
|
||||||
/>
|
|
||||||
<span style={{ fontWeight: 500, fontSize: 16 }}>
|
|
||||||
/ {numPages}
|
|
||||||
</span>
|
|
||||||
<Button
|
|
||||||
variant="subtle"
|
|
||||||
color="blue"
|
|
||||||
size="md"
|
|
||||||
px={8}
|
|
||||||
radius="xl"
|
|
||||||
onClick={() => {
|
|
||||||
const nextPage = Math.min(numPages, (currentPage || 1) + 1);
|
|
||||||
scrollToPage(nextPage);
|
|
||||||
}}
|
|
||||||
disabled={currentPage === numPages}
|
|
||||||
style={{ minWidth: 36 }}
|
|
||||||
>
|
|
||||||
<ArrowForwardIosIcon fontSize="small" />
|
|
||||||
</Button>
|
|
||||||
<Button
|
|
||||||
variant="subtle"
|
|
||||||
color="blue"
|
|
||||||
size="md"
|
|
||||||
px={8}
|
|
||||||
radius="xl"
|
|
||||||
onClick={() => {
|
|
||||||
scrollToPage(numPages);
|
|
||||||
}}
|
|
||||||
disabled={currentPage === numPages}
|
|
||||||
style={{ minWidth: 36 }}
|
|
||||||
>
|
|
||||||
<LastPageIcon fontSize="small" />
|
|
||||||
</Button>
|
|
||||||
<Button
|
|
||||||
variant={dualPage ? "filled" : "light"}
|
|
||||||
color="blue"
|
|
||||||
size="md"
|
|
||||||
radius="xl"
|
|
||||||
onClick={() => setDualPage(v => !v)}
|
|
||||||
style={{ minWidth: 36 }}
|
|
||||||
title={dualPage ? t("viewer.singlePageView", "Single Page View") : t("viewer.dualPageView", "Dual Page View")}
|
|
||||||
>
|
|
||||||
{dualPage ? <DescriptionIcon fontSize="small" /> : <ViewWeekIcon fontSize="small" />}
|
|
||||||
</Button>
|
|
||||||
<Group gap={4} align="center" style={{ marginLeft: 16 }}>
|
|
||||||
<Button
|
|
||||||
variant="subtle"
|
|
||||||
color="blue"
|
|
||||||
size="md"
|
|
||||||
radius="xl"
|
|
||||||
onClick={() => setZoom(z => Math.max(0.1, z - 0.1))}
|
|
||||||
style={{ minWidth: 32, padding: 0 }}
|
|
||||||
title={t("viewer.zoomOut", "Zoom out")}
|
|
||||||
>−</Button>
|
|
||||||
<span style={{ minWidth: 40, textAlign: "center" }}>{Math.round(zoom * 100)}%</span>
|
|
||||||
<Button
|
|
||||||
variant="subtle"
|
|
||||||
color="blue"
|
|
||||||
size="md"
|
|
||||||
radius="xl"
|
|
||||||
onClick={() => setZoom(z => Math.min(5, z + 0.1))}
|
|
||||||
style={{ minWidth: 32, padding: 0 }}
|
|
||||||
title={t("viewer.zoomIn", "Zoom in")}
|
|
||||||
>+</Button>
|
|
||||||
</Group>
|
|
||||||
</Paper>
|
|
||||||
</div>
|
|
||||||
</ScrollArea>
|
|
||||||
)}
|
|
||||||
</>
|
|
||||||
)}
|
|
||||||
|
|
||||||
</Box>
|
|
||||||
);
|
|
||||||
};
|
};
|
||||||
|
|
||||||
export default Viewer;
|
export default Viewer;
|
||||||
26
frontend/src/components/viewer/ZoomControlsExporter.tsx
Normal file
26
frontend/src/components/viewer/ZoomControlsExporter.tsx
Normal file
@ -0,0 +1,26 @@
|
|||||||
|
import { useEffect } from 'react';
|
||||||
|
import { useZoom } from '@embedpdf/plugin-zoom/react';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Component that runs inside EmbedPDF context and exports zoom controls globally
|
||||||
|
*/
|
||||||
|
export function ZoomControlsExporter() {
|
||||||
|
const { provides: zoom, state: zoomState } = useZoom();
|
||||||
|
|
||||||
|
useEffect(() => {
|
||||||
|
if (zoom) {
|
||||||
|
// Export zoom controls to global window for right rail access
|
||||||
|
(window as any).embedPdfZoom = {
|
||||||
|
zoomIn: () => zoom.zoomIn(),
|
||||||
|
zoomOut: () => zoom.zoomOut(),
|
||||||
|
toggleMarqueeZoom: () => zoom.toggleMarqueeZoom(),
|
||||||
|
requestZoom: (level: any) => zoom.requestZoom(level),
|
||||||
|
currentZoom: zoomState?.currentZoomLevel || 1,
|
||||||
|
zoomPercent: Math.round((zoomState?.currentZoomLevel || 1) * 100),
|
||||||
|
};
|
||||||
|
|
||||||
|
}
|
||||||
|
}, [zoom, zoomState]);
|
||||||
|
|
||||||
|
return null; // This component doesn't render anything
|
||||||
|
}
|
||||||
4
frontend/src/global.d.ts
vendored
4
frontend/src/global.d.ts
vendored
@ -16,3 +16,7 @@ declare module '../assets/material-symbols-icons.json' {
|
|||||||
};
|
};
|
||||||
export default value;
|
export default value;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// TODO: Add proper EmbedPDF types for local submodule integration
|
||||||
|
|
||||||
|
export {};
|
||||||
|
|||||||
@ -28,9 +28,11 @@
|
|||||||
/* Modules */
|
/* Modules */
|
||||||
"module": "esnext", /* Specify what module code is generated. */
|
"module": "esnext", /* Specify what module code is generated. */
|
||||||
// "rootDir": "./", /* Specify the root folder within your source files. */
|
// "rootDir": "./", /* Specify the root folder within your source files. */
|
||||||
"moduleResolution": "node", /* Specify how TypeScript looks up a file from a given module specifier. */
|
"moduleResolution": "bundler", /* Specify how TypeScript looks up a file from a given module specifier. */
|
||||||
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
|
"baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
|
||||||
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
|
"paths": { /* Specify a set of entries that re-map imports to additional lookup locations. */
|
||||||
|
// "@framework": ["vendor/embed-pdf-viewer/packages/core/src/react/adapter.ts"]
|
||||||
|
},
|
||||||
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
|
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
|
||||||
// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
|
// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
|
||||||
// "types": [], /* Specify type package names to be included without being referenced in a source file. */
|
// "types": [], /* Specify type package names to be included without being referenced in a source file. */
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user