jellyfin-web/src/scripts/playlistedit.js

define(['listView'], function (listView) {
    'use strict';

    function getFetchPlaylistItemsFn(itemId) {
        return function () {
            const query = {
                Fields: 'PrimaryImageAspectRatio,UserData',
                EnableImageTypes: 'Primary,Backdrop,Banner,Thumb',
                UserId: ApiClient.getCurrentUserId()
            };
            return ApiClient.getJSON(ApiClient.getUrl(`Playlists/${itemId}/Items`, query));
        };
    }

    function getItemsHtmlFn(itemId) {
        return function (items) {
            return listView.getListViewHtml({
                items: items,
                showIndex: false,
                showRemoveFromPlaylist: true,
                playFromHere: true,
                action: 'playallfromhere',
                smallIcon: true,
                dragHandle: true,
                playlistId: itemId
            });
        };
    }

    function init(page, item) {
        const elem = page.querySelector('#childrenContent .itemsContainer');
        elem.classList.add('vertical-list');
        elem.classList.remove('vertical-wrap');
        elem.enableDragReordering(true);
        elem.fetchData = getFetchPlaylistItemsFn(item.Id);
        elem.getItemsHtml = getItemsHtmlFn(item.Id);
    }

    window.PlaylistViewer = {
        render: function (page, item) {
            if (!page.playlistInit) {
                page.playlistInit = true;
                init(page, item);
            }

            page.querySelector('#childrenContent').classList.add('verticalSection-extrabottompadding');
            page.querySelector('#childrenContent .itemsContainer').refreshItems();
        }
    };
});