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Backend API
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import React, { useCallback, useRef, useState } from 'react';import Scheduler, { Resource, type SchedulerTypes, SchedulerRef } from 'devextreme-react/scheduler';import ContextMenu, { type ContextMenuTypes } from 'devextreme-react/context-menu';import { data, resourcesData, Resource as ResourceItem } from './data.ts';import AppointmentMenuTemplate from './AppointmentTemplate.tsx';type ContextMenuItem = ContextMenuTypes.Item & ResourceItem & { onItemClick?: (e: ContextMenuTypes.ItemClickEvent) => void };const views: SchedulerTypes.ViewType[] = ['day', 'month'];const appointmentClassName = '.dx-scheduler-appointment';const cellClassName = '.dx-scheduler-date-table-cell';const onContextMenuItemClick = (e: ContextMenuTypes.ItemClickEvent) => { (e.itemData as ContextMenuItem).onItemClick?.(e);};const App = () => { const schedulerRef = useRef<SchedulerRef>(null); const [currentDate, setCurrentDate] = useState(new Date(2020, 10, 25)); const [contextMenuItems, setContextMenuItems] = useState<ContextMenuItem[]>([]); const [target, setTarget] = useState(appointmentClassName); const [disabled, setDisabled] = useState(true); const [groups, setGroups] = useState<string[] | undefined>(undefined); const [crossScrollingEnabled, setCrossScrollingEnabled] = useState(false); const onAppointmentContextMenu = useCallback((event: SchedulerTypes.AppointmentContextMenuEvent) => { const { appointmentData, targetedAppointmentData } = event; const scheduler = schedulerRef.current?.instance(); const resourceItems: ContextMenuItem[] = resourcesData.map((item) => ({ item, onItemClick: (e) => scheduler?.updateAppointment(appointmentData, { appointmentData, { roomId: [(e.itemData as ContextMenuItem).id] }, }), })); setTarget(appointmentClassName); setDisabled(false); setContextMenuItems([ { text: 'Open', onItemClick: () => scheduler?.showAppointmentPopup(appointmentData), }, { text: 'Delete', onItemClick: () => scheduler?.deleteAppointment(appointmentData), }, { text: 'Repeat Weekly', beginGroup: true, onItemClick: () => scheduler?.updateAppointment(appointmentData, { startDate: targetedAppointmentData?.startDate, recurrenceRule: 'FREQ=WEEKLY', }), }, { text: 'Set Room', beginGroup: true, disabled: true, }, resourceItems, ]); } , []); const onCellContextMenu = useCallback((e: SchedulerTypes.CellContextMenuEvent) => { const scheduler = schedulerRef.current?.instance(); setTarget(cellClassName); setDisabled(false); setContextMenuItems([ { text: 'New Appointment', onItemClick: () => scheduler?.showAppointmentPopup( { startDate: e.cellData.startDate }, true, ), }, { text: 'New Recurring Appointment', onItemClick: () => scheduler?.showAppointmentPopup( { startDate: e.cellData.startDate, recurrenceRule: 'FREQ=DAILY', }, true, ), }, { text: 'Group by Room/Ungroup', beginGroup: true, onItemClick: () => { if (groups) { setCrossScrollingEnabled(false); setGroups(undefined); } else { setCrossScrollingEnabled(true); setGroups(['roomId']); } }, }, { text: 'Go to Today', onItemClick: () => { setCurrentDate(new Date()); }, }, ]); }, [groups]); return ( <React.Fragment> <Scheduler ref={schedulerRef} timeZone="America/Los_Angeles" dataSource={data} views={views} groups={groups} crossScrollingEnabled={crossScrollingEnabled} defaultCurrentView="month" currentDate={currentDate} startDayHour={9} recurrenceEditMode="series" onAppointmentContextMenu={onAppointmentContextMenu} onCellContextMenu={onCellContextMenu} height={730} > <Resource dataSource={resourcesData} fieldExpr="roomId" label="Room" /> </Scheduler> <ContextMenu dataSource={contextMenuItems} width={200} target={target} disabled={disabled} onItemClick={onContextMenuItemClick} itemComponent={AppointmentMenuTemplate} /> </React.Fragment> );};export default App;xxxxxxxxxximport React, { useCallback, useRef, useState } from 'react';import Scheduler, { Resource } from 'devextreme-react/scheduler';import ContextMenu from 'devextreme-react/context-menu';import { data, resourcesData } from './data.js';import AppointmentMenuTemplate from './AppointmentTemplate.js';const views = ['day', 'month'];const appointmentClassName = '.dx-scheduler-appointment';const cellClassName = '.dx-scheduler-date-table-cell';const onContextMenuItemClick = (e) => { e.itemData.onItemClick?.(e);};const App = () => { const schedulerRef = useRef(null); const [currentDate, setCurrentDate] = useState(new Date(2020, 10, 25)); const [contextMenuItems, setContextMenuItems] = useState([]); const [target, setTarget] = useState(appointmentClassName); const [disabled, setDisabled] = useState(true); const [groups, setGroups] = useState(undefined); const [crossScrollingEnabled, setCrossScrollingEnabled] = useState(false); const onAppointmentContextMenu = useCallback((event) => { const { appointmentData, targetedAppointmentData } = event; const scheduler = schedulerRef.current?.instance(); const resourceItems = resourcesData.map((item) => ({ item, onItemClick: (e) => scheduler?.updateAppointment(appointmentData, { appointmentData, { roomId: [e.itemData.id] }, }), })); setTarget(appointmentClassName); setDisabled(false); setContextMenuItems([ { text: 'Open', onItemClick: () => scheduler?.showAppointmentPopup(appointmentData), }, { text: 'Delete', onItemClick: () => scheduler?.deleteAppointment(appointmentData), }, { text: 'Repeat Weekly', beginGroup: true, onItemClick: () => scheduler?.updateAppointment(appointmentData, { startDate: targetedAppointmentData?.startDate, recurrenceRule: 'FREQ=WEEKLY', }), }, { text: 'Set Room', beginGroup: true, disabled: true, }, resourceItems, ]); }, []); const onCellContextMenu = useCallback( (e) => { const scheduler = schedulerRef.current?.instance(); setTarget(cellClassName); setDisabled(false); setContextMenuItems([ { text: 'New Appointment', onItemClick: () => scheduler?.showAppointmentPopup({ startDate: e.cellData.startDate }, true), }, { text: 'New Recurring Appointment', onItemClick: () => scheduler?.showAppointmentPopup( { startDate: e.cellData.startDate, recurrenceRule: 'FREQ=DAILY', }, true, ), }, { text: 'Group by Room/Ungroup', beginGroup: true, onItemClick: () => { if (groups) { setCrossScrollingEnabled(false); setGroups(undefined); } else { setCrossScrollingEnabled(true); setGroups(['roomId']); } }, }, { text: 'Go to Today', onItemClick: () => { setCurrentDate(new Date()); }, }, ]); }, [groups], ); return ( <React.Fragment> <Scheduler ref={schedulerRef} timeZone="America/Los_Angeles" dataSource={data} views={views} groups={groups} crossScrollingEnabled={crossScrollingEnabled} defaultCurrentView="month" currentDate={currentDate} startDayHour={9} recurrenceEditMode="series" onAppointmentContextMenu={onAppointmentContextMenu} onCellContextMenu={onCellContextMenu} height={730} > <Resource dataSource={resourcesData} fieldExpr="roomId" label="Room" /> </Scheduler> <ContextMenu dataSource={contextMenuItems} width={200} target={target} disabled={disabled} onItemClick={onContextMenuItemClick} itemComponent={AppointmentMenuTemplate} /> </React.Fragment> );};export default App;xxxxxxxxxximport React from 'react';type AppointmentMenuTemplateProps = { data: { color: string; text: string; }};const AppointmentMenuTemplate = (props: AppointmentMenuTemplateProps) => ( <div> {props.data.color && <div className="item-badge" style={{ backgroundColor: props.data.color }} />} {props.data.text} </div>);export default AppointmentMenuTemplate;xxxxxxxxxximport React from 'react';import ReactDOM from 'react-dom';import App from './App.tsx';ReactDOM.render( <App />, document.getElementById('app'),);xxxxxxxxxximport { SchedulerTypes } from 'devextreme-react/scheduler';type Appointment = SchedulerTypes.Appointment & { roomId: number[] };export type Resource = { id?: number; text: string; color?: string;};export const data: Appointment[] = [ { text: 'Watercolor Landscape', roomId: [1], startDate: new Date('2020-11-01T17:30:00.000Z'), endDate: new Date('2020-11-01T19:00:00.000Z'), recurrenceRule: 'FREQ=WEEKLY;BYDAY=MO,TH;COUNT=10', }, { text: 'Oil Painting for Beginners', roomId: [2], startDate: new Date('2020-11-01T17:30:00.000Z'), endDate: new Date('2020-11-01T19:00:00.000Z'), recurrenceRule: 'FREQ=WEEKLY;BYDAY=SU,WE;COUNT=10', }, { text: 'Testing', roomId: [3], startDate: new Date('2020-11-01T20:00:00.000Z'), endDate: new Date('2020-11-01T21:00:00.000Z'), recurrenceRule: 'FREQ=WEEKLY;BYDAY=SU;WKST=TU;INTERVAL=2;COUNT=2', }, { text: 'Meeting of Instructors', roomId: [4], startDate: new Date('2020-11-01T17:00:00.000Z'), endDate: new Date('2020-11-01T17:15:00.000Z'), recurrenceRule: 'FREQ=DAILY;BYDAY=TU;UNTIL=20201203', }, { text: 'Recruiting students', roomId: [5], startDate: new Date('2020-10-24T18:00:00.000Z'), endDate: new Date('2020-10-24T19:00:00.000Z'), recurrenceRule: 'FREQ=YEARLY;BYWEEKNO=50;WKST=SU', recurrenceException: '20201212T190000Z', }, { text: 'Final exams', roomId: [3], startDate: new Date('2020-10-24T20:00:00.000Z'), endDate: new Date('2020-10-24T21:35:00.000Z'), recurrenceRule: 'FREQ=YEARLY;BYWEEKNO=51;BYDAY=WE,TH', }, { text: 'Monthly Planning', roomId: [4], startDate: new Date('2020-11-24T22:30:00.000Z'), endDate: new Date('2020-11-24T23:45:00.000Z'), recurrenceRule: 'FREQ=MONTHLY;BYMONTHDAY=28;COUNT=1', }, { text: 'Open Day', roomId: [5], startDate: new Date('2020-11-01T17:30:00.000Z'), endDate: new Date('2020-11-01T21:00:00.000Z'), recurrenceRule: 'FREQ=YEARLY;BYYEARDAY=333', },];export const resourcesData: Resource[] = [ { text: 'Room 101', id: 1, color: '#bbd806', }, { text: 'Room 102', id: 2, color: '#f34c8a', }, { text: 'Room 103', id: 3, color: '#ae7fcc', }, { text: 'Meeting room', id: 4, color: '#ff8817', }, { text: 'Conference hall', id: 5, color: '#03bb92', },];xxxxxxxxxxwindow.exports = window.exports || {};window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, jsx: 'react', }, meta: { 'react': { 'esModule': true, }, 'typescript': { 'exports': 'ts', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, 'openai': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', 'bundles:': 'bundles/', 'externals:': 'bundles/externals/', }, defaultExtension: 'js', map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'react': 'npm:react@17.0.2/umd/react.development.js', 'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js', 'prop-types': 'npm:prop-types/prop-types.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign', 'devextreme': 'npm:devextreme@24.2.6/cjs', 'devextreme-react': 'npm:devextreme-react@24.2.6/cjs', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.15/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.60/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js', 'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3', // SystemJS plugins 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', // Prettier 'prettier/standalone': 'npm:prettier@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/common/core/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: 'json', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.12/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, },};System.config(window.config);xxxxxxxxxximport React from 'react';const AppointmentMenuTemplate = (props) => ( <div> {props.data.color && ( <div className="item-badge" style={{ backgroundColor: props.data.color }} /> )} {props.data.text} </div>);export default AppointmentMenuTemplate;xxxxxxxxxximport React from 'react';import ReactDOM from 'react-dom';import App from './App.js';ReactDOM.render(<App />, document.getElementById('app'));xxxxxxxxxxexport const data = [ { text: 'Watercolor Landscape', roomId: [1], startDate: new Date('2020-11-01T17:30:00.000Z'), endDate: new Date('2020-11-01T19:00:00.000Z'), recurrenceRule: 'FREQ=WEEKLY;BYDAY=MO,TH;COUNT=10', }, { text: 'Oil Painting for Beginners', roomId: [2], startDate: new Date('2020-11-01T17:30:00.000Z'), endDate: new Date('2020-11-01T19:00:00.000Z'), recurrenceRule: 'FREQ=WEEKLY;BYDAY=SU,WE;COUNT=10', }, { text: 'Testing', roomId: [3], startDate: new Date('2020-11-01T20:00:00.000Z'), endDate: new Date('2020-11-01T21:00:00.000Z'), recurrenceRule: 'FREQ=WEEKLY;BYDAY=SU;WKST=TU;INTERVAL=2;COUNT=2', }, { text: 'Meeting of Instructors', roomId: [4], startDate: new Date('2020-11-01T17:00:00.000Z'), endDate: new Date('2020-11-01T17:15:00.000Z'), recurrenceRule: 'FREQ=DAILY;BYDAY=TU;UNTIL=20201203', }, { text: 'Recruiting students', roomId: [5], startDate: new Date('2020-10-24T18:00:00.000Z'), endDate: new Date('2020-10-24T19:00:00.000Z'), recurrenceRule: 'FREQ=YEARLY;BYWEEKNO=50;WKST=SU', recurrenceException: '20201212T190000Z', }, { text: 'Final exams', roomId: [3], startDate: new Date('2020-10-24T20:00:00.000Z'), endDate: new Date('2020-10-24T21:35:00.000Z'), recurrenceRule: 'FREQ=YEARLY;BYWEEKNO=51;BYDAY=WE,TH', }, { text: 'Monthly Planning', roomId: [4], startDate: new Date('2020-11-24T22:30:00.000Z'), endDate: new Date('2020-11-24T23:45:00.000Z'), recurrenceRule: 'FREQ=MONTHLY;BYMONTHDAY=28;COUNT=1', }, { text: 'Open Day', roomId: [5], startDate: new Date('2020-11-01T17:30:00.000Z'), endDate: new Date('2020-11-01T21:00:00.000Z'), recurrenceRule: 'FREQ=YEARLY;BYYEARDAY=333', },];export const resourcesData = [ { text: 'Room 101', id: 1, color: '#bbd806', }, { text: 'Room 102', id: 2, color: '#f34c8a', }, { text: 'Room 103', id: 3, color: '#ae7fcc', }, { text: 'Meeting room', id: 4, color: '#ff8817', }, { text: 'Conference hall', id: 5, color: '#03bb92', },];xxxxxxxxxx<html lang="en"> <head></head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body></html>xxxxxxxxxx.dx-menu-item-content span { margin-right: 5px;}.dx-menu-item-has-submenu .dx-icon-spinright { position: absolute; top: 7px; right: 2px;}.item-badge { text-align: center; float: left; margin-right: 12px; color: white; width: 18px; height: 18px; font-size: 19.5px; border-radius: 18px; margin-top: 2px;}