define(["require", "exports", "react", "@fluentui/react/lib/FocusZone", "@fluentui/react/lib/List", "@fluentui/react/lib/Image", "@fluentui/react/lib/Styling", "@fluentui/example-data", "@fluentui/react-hooks"], function (require, exports, React, FocusZone_1, List_1, Image_1, Styling_1, example_data_1, react_hooks_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.ListGhostingExample = void 0;
    var theme = Styling_1.getTheme();
    var palette = theme.palette, semanticColors = theme.semanticColors, fonts = theme.fonts;
    var classNames = Styling_1.mergeStyleSets({
        container: {
            overflow: 'auto',
            maxHeight: 500,
        },
        itemCell: [
            Styling_1.getFocusStyle(theme, { inset: -1 }),
            {
                minHeight: 54,
                padding: 10,
                boxSizing: 'border-box',
                borderBottom: "1px solid " + semanticColors.bodyDivider,
                display: 'flex',
                selectors: {
                    '&:hover': { background: palette.neutralLight },
                },
            },
        ],
        itemImage: {
            flexShrink: 0,
        },
        itemContent: {
            marginLeft: 10,
            overflow: 'hidden',
            flexGrow: 1,
        },
        itemName: [
            fonts.xLarge,
            {
                whiteSpace: 'nowrap',
                overflow: 'hidden',
                textOverflow: 'ellipsis',
            },
        ],
        itemIndex: {
            fontSize: fonts.small.fontSize,
            color: palette.neutralTertiary,
            marginBottom: 10,
        },
        chevron: {
            alignSelf: 'center',
            marginLeft: 10,
            color: palette.neutralTertiary,
            fontSize: fonts.large.fontSize,
            flexShrink: 0,
        },
    });
    var onRenderCell = function (item, index, isScrolling) {
        return (React.createElement("div", { className: classNames.itemCell, "data-is-focusable": true },
            React.createElement(Image_1.Image, { className: classNames.itemImage, src: isScrolling ? undefined : item.thumbnail, width: 50, height: 50, imageFit: Image_1.ImageFit.cover }),
            React.createElement("div", { className: classNames.itemContent },
                React.createElement("div", { className: classNames.itemName }, item.name),
                React.createElement("div", { className: classNames.itemIndex }, "Item " + index))));
    };
    var ListGhostingExample = function () {
        var items = react_hooks_1.useConst(function () { return example_data_1.createListItems(5000); });
        return (React.createElement(FocusZone_1.FocusZone, { direction: FocusZone_1.FocusZoneDirection.vertical },
            React.createElement("div", { className: classNames.container, "data-is-scrollable": true },
                React.createElement(List_1.List, { items: items, onRenderCell: onRenderCell }))));
    };
    exports.ListGhostingExample = ListGhostingExample;
});
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