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Scheduler

Disabled Date/Time Ranges

This demo shows how to disable specific days, dates, and times when a user cannot schedule an appointment. In the demo, appointments are disabled for weekends, certain individual dates (e.g., May 25th), and the time period from 12:00pm to 1:00pm.

To implement this functionality in your application, follow the steps below:

  1. Implement date/time validation functions
    These functions should check whether a date or time is available. This demo includes the following date/time validation functions:

    • isValidAppointment
      Prepares data and begins validation.
    • isValidAppointmentInterval
      Validates a date/time interval.
    • isValidAppointmentDate
      Calls the isHoliday, isWeekend, and isDinner functions.
    • isHoliday / isWeekend / isDinner
      Check whether a date/time interval is a holiday, a weekend, or dinner time.
  2. Validate appointments before they are created or updated
    Before an appointment is created or updated, the Scheduler executes the onAppointmentAdding and onAppointmentUpdating functions. Use them to start validation. If a date or time is invalid, cancel the creation or update. Implement the same logic in the onAppointmentFormOpening function so that users cannot open the appointment details form for a disabled date or time.

  3. Customize the appointment details form
    The appointment details form includes two calendars that allow users to select an appointment's start and end date/time. You should also disable dates in these calendars. Review the applyDisableDatesToDateEditors function to see how this is done. Call this function from onAppointmentFormOpening.

  4. Customize the timetable appearance
    Use templates to customize the appearance of data cells (dataCellTemplate), time cells (timeCellTemplate), and date cells (dateCellTemplate). In this demo, date cell customization is visible only in the Month view. To switch to this view, use the view switcher in the widget's upper right corner.

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$(function () { $("#scheduler").dxScheduler({ dataSource: data, views: ["workWeek", "month"], currentView: "workWeek", currentDate: new Date(2017, 4, 25), firstDayOfWeek: 0, startDayHour: 9, endDayHour: 19, showAllDayPanel: false, height: 600, dataCellTemplate: function(itemData, itemIndex, itemElement) { var date = itemData.startDate; var isDisabled = isHoliday(date) || isWeekend(date); var element = $(`<div>${itemData.text}</div>`); if (isDisabled) { element.addClass('disable-date'); } else if (isDinner(date)) { element.addClass('dinner'); } return itemElement.append(element); }, dateCellTemplate: function(itemData, itemIndex, itemElement) { var element = $(`<div>${itemData.text}</div>`); if (isWeekend(itemData.date)) { element.addClass('disable-date'); } return itemElement.append(element); }, timeCellTemplate: function(itemData, itemIndex, itemElement) { var element = $(`<div>${itemData.text}</div>`); if (isDinner(itemData.date)) { element .addClass('dinner') .append('<div class="cafe" />'); } return itemElement.append(element); }, onAppointmentFormOpening: function(e) { var startDate = new Date(e.appointmentData.startDate); if(!isValidAppointmentDate(startDate)) { e.cancel = true; notifyDisableDate(); } applyDisableDatesToDateEditors(e.form); }, onAppointmentAdding: function(e) { if(!isValidAppointment(e.component, e.appointmentData)) { e.cancel = true; notifyDisableDate(); } }, onAppointmentUpdating: function(e) { if(!isValidAppointment(e.component, e.newData)) { e.cancel = true; notifyDisableDate(); } } }); }); var dinnerTime = { from: 12, to: 13 }; var holidays = [ new Date(2017, 4, 25), new Date(2017, 6, 4) ]; function notifyDisableDate() { DevExpress.ui.notify("Cannot create or move an appointment/event to disabled time/date regions.", "warning", 1000); } function isValidAppointment(component, appointmentData) { var startDate = new Date(appointmentData.startDate); var endDate = new Date(appointmentData.endDate); var cellDuration = component.option('cellDuration'); return isValidAppointmentInterval(startDate, endDate, cellDuration); } function isValidAppointmentInterval(startDate, endDate, cellDuration) { var edgeEndDate = new Date(endDate.getTime() - 1); if (!isValidAppointmentDate(edgeEndDate)) { return false; } var durationInMs = cellDuration * 60 * 1000; var date = startDate; while (date <= endDate) { if (!isValidAppointmentDate(date)) { return false; } var newDateTime = date.getTime() + durationInMs - 1; date.setTime(newDateTime); } return true; } function isValidAppointmentDate(date) { return !isHoliday(date) && !isDinner(date) && !isWeekend(date); } function isHoliday(date) { var localeDate = date.toLocaleDateString(); return holidays.filter(function(holiday) { return holiday.toLocaleDateString() === localeDate; }).length > 0; } function isWeekend(date) { var day = date.getDay(); return day === 0 || day === 6; } function isDinner(date) { var hours = date.getHours(); return hours >= dinnerTime.from && hours < dinnerTime.to; } function applyDisableDatesToDateEditors(form) { var startDateEditor = form.getEditor('startDate'); startDateEditor.option('disabledDates', holidays); var endDateEditor = form.getEditor('endDate'); endDateEditor.option('disabledDates', holidays); }
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.6/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.6/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/20.1.6/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="scheduler"></div> </div> </body> </html>
.disable-date, .dinner { height: 100%; } .disable-date { background-image: repeating-linear-gradient(135deg, rgba(244, 67, 54, 0.1), rgba(244, 67, 54, 0.1) 4px, transparent 4px, transparent 9px); color: #9B6467; } .dx-scheduler-header-panel-cell .disable-date { display: flex; flex-direction: column; justify-content: center; } .dinner { background: rgba(255, 193, 7, 0.2); } .dx-scheduler-time-panel-cell .dinner { color: rgba(255, 193, 7); font-weight: 400; background: transparent; } .dx-draggable { cursor: auto; } td.dx-scheduler-first-group-cell.dx-scheduler-time-panel-cell .dinner .cafe { height: 200%; width: 100%; left: 50%; -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M20 3H4v10c0 2.21 1.79 4 4 4h6c2.21 0 4-1.79 4-4v-3h2c1.11 0 2-.9 2-2V5c0-1.11-.89-2-2-2zm0 5h-2V5h2v3zM4 19h16v2H4z"/></svg>'); -webkit-mask-repeat: no-repeat; -webkit-mask-position-y: 50%; -webkit-mask-position-x: 100%; margin-top: -4px; background-color: #ffc107; } .dx-scheduler-date-table-cell { padding: 0; opacity: 1; }
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