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Merge pull request #77 from AllenInstitute/feature/create-thumbnail-view
Feature/create thumbnail view
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25 changes: 25 additions & 0 deletions
25
packages/core/components/FileList/LazilyRenderedThumbnail.module.css
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| .small-font { | ||
| font-size: var(--smaller-font-size); | ||
| } | ||
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| .file-label { | ||
| overflow-wrap: anywhere; | ||
| text-align: center; | ||
| } | ||
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| .thumbnail-wrapper { | ||
| padding: 10px | ||
| } | ||
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| .no-thumbnail { | ||
| fill: var(--grey); | ||
| } | ||
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| .selected { | ||
| background-color: #d4e3fc; | ||
| } | ||
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| .focused { | ||
| margin: 0; | ||
| border: 2px solid #669bf4; | ||
| } |
173 changes: 173 additions & 0 deletions
173
packages/core/components/FileList/LazilyRenderedThumbnail.tsx
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|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| import classNames from "classnames"; | ||
| import * as React from "react"; | ||
| import { useSelector } from "react-redux"; | ||
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| import FileSet from "../../entity/FileSet"; | ||
| import FileThumbnail from "../../components/FileThumbnail"; | ||
| import SvgIcon from "../../components/SvgIcon"; | ||
| import { selection } from "../../state"; | ||
| import { OnSelect } from "./useFileSelector"; | ||
| import { RENDERABLE_IMAGE_FORMATS, THUMBNAIL_SIZE_TO_NUM_COLUMNS } from "../../constants"; | ||
| import { NO_IMAGE_ICON_PATH_DATA } from "../../icons"; | ||
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| import styles from "./LazilyRenderedThumbnail.module.css"; | ||
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| /** | ||
| * Contextual data passed to LazilyRenderedThumbnails by react-window. Basically a light-weight React context. | ||
| * The same data is passed to each LazilyRenderedThumbnail within the same FileGrid. | ||
| * Follows the pattern set by LazilyRenderedRow | ||
| */ | ||
| export interface LazilyRenderedThumbnailContext { | ||
| fileSet: FileSet; | ||
| itemCount: number; | ||
| measuredWidth: number; | ||
| onContextMenu: (evt: React.MouseEvent) => void; | ||
| onSelect: OnSelect; | ||
| } | ||
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| interface LazilyRenderedThumbnailProps { | ||
| columnIndex: number; // injected by react-window | ||
| data: LazilyRenderedThumbnailContext; // injected by react-window | ||
| rowIndex: number; // injected by react-window | ||
| style: React.CSSProperties; // injected by react-window | ||
| } | ||
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| const MARGIN = 20; // px; | ||
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| /** | ||
| * A single file in the listing of available files FMS. | ||
| * Follows the pattern set by LazilyRenderedRow | ||
| */ | ||
| export default function LazilyRenderedThumbnail(props: LazilyRenderedThumbnailProps) { | ||
| const { | ||
| data: { fileSet, itemCount, measuredWidth, onContextMenu, onSelect }, | ||
| columnIndex, | ||
| rowIndex, | ||
| style, | ||
| } = props; | ||
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| const shouldDisplaySmallFont = useSelector(selection.selectors.getShouldDisplaySmallFont); | ||
| const fileSelection = useSelector(selection.selectors.getFileSelection); | ||
| const fileGridColCount = useSelector(selection.selectors.getFileGridColumnCount); | ||
| const overallIndex = fileGridColCount * rowIndex + columnIndex; | ||
| const file = fileSet.getFileByIndex(overallIndex); | ||
| const thumbnailSize = measuredWidth / fileGridColCount - 2 * MARGIN; | ||
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| const isSelected = React.useMemo(() => { | ||
| return fileSelection.isSelected(fileSet, overallIndex); | ||
| }, [fileSelection, fileSet, overallIndex]); | ||
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| const isFocused = React.useMemo(() => { | ||
| return fileSelection.isFocused(fileSet, overallIndex); | ||
| }, [fileSelection, fileSet, overallIndex]); | ||
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| const onClick = (evt: React.MouseEvent) => { | ||
| evt.preventDefault(); | ||
| evt.stopPropagation(); | ||
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| if (onSelect && file !== undefined) { | ||
| onSelect( | ||
| { index: overallIndex, id: file.file_id }, | ||
| { | ||
| // Details on different OS keybindings | ||
| // https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent#Properties | ||
| ctrlKeyIsPressed: evt.ctrlKey || evt.metaKey, | ||
| shiftKeyIsPressed: evt.shiftKey, | ||
| } | ||
| ); | ||
| } | ||
| }; | ||
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| // Display the start of the file name and at least part of the file type | ||
| const clipFileName = (filename: string) => { | ||
| if (fileGridColCount === THUMBNAIL_SIZE_TO_NUM_COLUMNS.SMALL && filename.length > 15) { | ||
| return filename.slice(0, 6) + "..." + filename.slice(-4); | ||
| } else if (filename.length > 20) { | ||
| return filename.slice(0, 9) + "..." + filename.slice(-8); | ||
| } | ||
| return filename; | ||
| }; | ||
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| // If the file has a thumbnail image specified, we want to display the specified thumbnail. | ||
| // Otherwise, we want to display the file itself as the thumbnail if possible. | ||
| // If there is no thumbnail and the file cannot be displayed as the thumbnail, show a no image icon | ||
| // TODO: Add custom icons per file type | ||
| let thumbnail = ( | ||
| <SvgIcon | ||
| height={thumbnailSize} | ||
| pathData={NO_IMAGE_ICON_PATH_DATA} | ||
| viewBox="0,1,22,22" | ||
| width={thumbnailSize} | ||
| className={classNames(styles.noThumbnail)} | ||
| /> | ||
| ); | ||
| if (file?.thumbnail) { | ||
| // thumbnail exists | ||
| thumbnail = ( | ||
| <div | ||
| className={classNames(styles.thumbnail)} | ||
| style={{ height: thumbnailSize, maxWidth: thumbnailSize }} | ||
| > | ||
| <FileThumbnail | ||
| uri={`http://aics.corp.alleninstitute.org/labkey/fmsfiles/image${file.thumbnail}`} | ||
| /> | ||
| </div> | ||
| ); | ||
| } else if (file) { | ||
| const isFileRenderableImage = RENDERABLE_IMAGE_FORMATS.some((format) => | ||
| file?.file_name.toLowerCase().endsWith(format) | ||
| ); | ||
| if (isFileRenderableImage) { | ||
| // render the image as the thumbnail | ||
| thumbnail = ( | ||
| <div | ||
| className={classNames(styles.fileThumbnailContainer, styles.thumbnail)} | ||
| style={{ height: thumbnailSize, maxWidth: thumbnailSize }} | ||
| > | ||
| <FileThumbnail | ||
| uri={`http://aics.corp.alleninstitute.org/labkey/fmsfiles/image${file.file_path}`} | ||
| /> | ||
| </div> | ||
| ); | ||
| } | ||
| } | ||
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| let content; | ||
| if (file) { | ||
| const filenameForRender = clipFileName(file?.file_name); | ||
| content = ( | ||
| <div | ||
| onClick={onClick} | ||
| className={classNames({ | ||
| [styles.selected]: isSelected, | ||
| [styles.focused]: isFocused, | ||
| })} | ||
| title={file?.file_name} | ||
| > | ||
| {thumbnail} | ||
| <div | ||
| className={classNames(styles.fileLabel, { | ||
| [styles.smallFont]: | ||
| shouldDisplaySmallFont || | ||
| fileGridColCount === THUMBNAIL_SIZE_TO_NUM_COLUMNS.SMALL, | ||
| })} | ||
| > | ||
| {filenameForRender} | ||
| </div> | ||
| </div> | ||
| ); | ||
| } else if (overallIndex < itemCount) { | ||
| // Grid will attempt to render a cell even if we're past the total index | ||
| content = "Loading..."; | ||
| } // No `else` since if past total index we stil want empty content to fill up the outer grid | ||
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| return ( | ||
| <div | ||
| className={classNames(styles.thumbnailWrapper)} | ||
| style={style} | ||
| onContextMenu={onContextMenu} | ||
| > | ||
| {content} | ||
| </div> | ||
| ); | ||
| } |
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