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Examples

We have prepared a variety of different styles so you can edit them to your needs. For each style, you can edit the calendar and shape is as you need it. If you are inspired, you can also just head over and start from scratch.

Are you proud of your calendar? Share it here!

Multiple Calendars

You can embed several calendars into one view. In this example, we show different rooms in an office.

{
  "css": ".CALENDAR-INDEX-0, .CALENDAR-INDEX-0 .dhx_body, .CALENDAR-INDEX-0 .dhx_title { background-color: #77767b; } .CALENDAR-INDEX-1, .CALENDAR-INDEX-1 .dhx_body, .CALENDAR-INDEX-1 .dhx_title  { background-color: #f9f06b; } .CALENDAR-INDEX-2, .CALENDAR-INDEX-2 .dhx_body, .CALENDAR-INDEX-2 .dhx_title  { background-color: #dc8add; }",
  "date": "2024-07-05",
  "ending_hour": "18",
  "hour_format": "%g:%i %a",
  "prefer_browser_language": true,
  "skin": "dhtmlxscheduler_flat.css",
  "start_of_week": "su",
  "starting_hour": "8",
  "tab": "week",
  "timezone": "Europe/London",
  "title": "Office Rooms",
  "url": [
    "https://open-web-calendar.quelltext.eu/assets/calendars/rooms/call-cell.ics",
    "https://open-web-calendar.quelltext.eu/assets/calendars/rooms/kitchen.ics",
    "https://open-web-calendar.quelltext.eu/assets/calendars/rooms/meeting-room.ics"
  ]
}

<iframe class="open-web-calendar" id=""
style="background:url('/assets/img/circular-loader.gif') center center no-repeat; border-radius: 10px;"
src="https://open-web-calendar.hosted.quelltext.eu/calendar.html?specification_url=https://open-web-calendar.quelltext.eu/assets/templates/rooms.json&"
sandbox="allow-scripts allow-same-origin allow-top-navigation"
allowTransparency="true" scrolling="no"
frameborder="0" height="600px" width="100%"></iframe>

Edit the calendar

This is also useful if you have multiple calendar sources - be it different places, clubs, applications or organizations.

Aanpassingen:

  • CSS
  • hours
  • tab

Mobile One Day Calendar Feed

Here is an example of a one day view of a Christmas day:

{
  "controls": [
    "today"
  ],
  "css": ".dhx_cal_navline { display: none !important; height: 0 !important; }\n.dhx_cal_header { top: 0px !important; }\n.dhx_cal_data { top: 35px !important; }",
  "date": "2024-12-24",
  "hour_format": "%g:%i %a",
  "prefer_browser_language": true,
  "skin": "dhtmlxscheduler_flat.css",
  "starting_hour": "9",
  "tab": "day",
  "tabs": [],
  "timezone": "Europe/London",
  "title": "Christmas Calendar",
  "url": "https://open-web-calendar.quelltext.eu/assets/calendars/christmas.ics"
}

<iframe class="open-web-calendar" id=""
style="background:url('/assets/img/circular-loader.gif') center center no-repeat; border-radius: 10px;"
src="https://open-web-calendar.hosted.quelltext.eu/calendar.html?specification_url=https://open-web-calendar.quelltext.eu/assets/templates/christmas-day.json&"
sandbox="allow-scripts allow-same-origin allow-top-navigation"
allowTransparency="true" scrolling="no"
frameborder="0" height="600px" width="300px"></iframe>

Edit the calendar

Aanpassingen:

  • start and end time
  • fixed date
  • CSS

Recurring Events with Categories

If you are at home, planning the days with the family, events might have different categories depending on who they are for: work or personal. Events can be single events or occur every day.

{
  "css": ".CATEGORY-work { background: #E3B024 !important; }\n.CATEGORY-personal { background: #73E324 !important; }\n.dhx_cal_navline, .dhx_scale_bar, .dhx_cal_container, .dhx_cal_header, .dhx_cal_scale_placeholder, .dhx_scale_holder, .dhx_scale_hour {background-color: #f9f06b;}.dhx_scale_holder_now, .dhx_now .dhx_month_head, .dhx_now .dhx_month_body { background-color: #f8e45c;}",
  "date": "2024-04-08",
  "ending_hour": "22",
  "prefer_browser_language": true,
  "specification_url": "https://open-web-calendar.quelltext.eu/assets/templates/family-planning.json",
  "start_of_week": "work",
  "starting_hour": "8",
  "tab": "week",
  "timezone": "Europe/London",
  "title": "Family Planning",
  "url": "https://open-web-calendar.quelltext.eu/assets/calendars/categories.ics"
}

<iframe class="open-web-calendar" id=""
style="background:url('/assets/img/circular-loader.gif') center center no-repeat; border-radius: 10px;"
src="https://open-web-calendar.hosted.quelltext.eu/calendar.html?specification_url=https://open-web-calendar.quelltext.eu/assets/templates/family-planning.json&"
sandbox="allow-scripts allow-same-origin allow-top-navigation"
allowTransparency="true" scrolling="no"
frameborder="0" height="600px" width="100%"></iframe>

Edit the calendar

Aanpassingen:

  • start and end time
  • fixed date
  • CSS

Events Hosted as a Tor Hidden Service

This calendar is not styled but contains events that can be hosted behind a firewall on a little anonymous server. Example

Aanpassingen:

Choose Timezones

For an international calendar, you can allow choosing the time zone that the events are displayed in.

{
  "controls": [
    "today",
    "date"
  ],
  "prefer_browser_language": true,
  "skin": "dhtmlxscheduler_contrast_white.css",
  "tab": "day",
  "tabs": [
    "week",
    "day"
  ],
  "title": "Timezone Example",
  "url": "https://open-web-calendar.quelltext.eu/assets/calendars/timezone-example.ics"
}

<iframe class="open-web-calendar" id="owcTimezoneExample"
style="background:url('/assets/img/circular-loader.gif') center center no-repeat; border-radius: 10px;"
src="https://open-web-calendar.hosted.quelltext.eu/calendar.html?specification_url=https://open-web-calendar.quelltext.eu/assets/templates/timezone-example.json&"
sandbox="allow-scripts allow-same-origin allow-top-navigation"
allowTransparency="true" scrolling="no"
frameborder="0" height="600px" width="100%"></iframe>

<!--
  This is HTML and JavaScript that allows changing a calendar URL specific to a timezone.

  TODO: Choose the time zones that you want the viewer to choose:
-->
<select id="timezoneOption"><option value="America/New_York">New York</option><option value="Europe/London">London</option><option value="Asia/Singapore">Singapore</option><option value="">My Local Time Zone</option></select>

<script>
  // TODO: Set the iframe id:
  var calendarIFrameID = "owcTimezoneExample";
  var originalUrl;  // the oririginal URL of the iframe
  var calendarIFrame; // the stored iframe as a variable

  // Save the original URL
  function setInitialTimezone() {
    calendarIFrame = document.getElementById(calendarIFrameID);
    originalUrl = calendarIFrame.src;
    changeTimezone();
  }

  // Change to the selected timezone
  function changeTimezone() {
    console.log("change timezone: " + timezoneOption.value);
    calendarIFrame.src = originalUrl + (timezoneOption.value ? "timezone=" + timezoneOption.value : "");
    console.log("url: " + calendarIFrame.src);
  }

  window.addEventListener("load", setInitialTimezone);
  timezoneOption.onchange = changeTimezone;
</script>

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Aanpassingen:

  • JavaScript
  • timezone

Free and Busy

You can change the design based on whether you are free or busy.

This calendar has changed CSS so that the background is green and the events are either orange or red.

{
  "css": ".dhx_cal_event_line.dhx_cal_event_line_start.dhx_cal_event_line_end.TRANSP-OPAQUE { background-color: red;  }\n.dhx_cal_event_line.dhx_cal_event_line_start.dhx_cal_event_line_end.TRANSP-TRANSPARENT { background-color: orange; }\n\n.event {\n  height: 57px !important;\n  transform: translate(0px, 4px);\n}\n.dhx_after .dhx_month_body, .dhx_month_body, .dhx_before .dhx_month_body {\n  background-color: lightgreen;\n}\n\n.dhx_month_body:before {\n  content: \"Free\";\n  display: inline-block;\n  transform: translateY(19px);\n}",
  "prefer_browser_language": true,
  "language": "de",
  "skin": "flat",
  "tabs": [],
  "url": "https://open-web-calendar.quelltext.eu/assets/calendars/free-busy-events.ics"
}

<iframe class="open-web-calendar" id=""
style="background:url('/assets/img/circular-loader.gif') center center no-repeat; border-radius: 10px;"
src="https://open-web-calendar.hosted.quelltext.eu/calendar.html?specification_url=https://open-web-calendar.quelltext.eu/assets/templates/free-and-busy.json&"
sandbox="allow-scripts allow-same-origin allow-top-navigation"
allowTransparency="true" scrolling="no"
frameborder="0" height="600px" width="100%"></iframe>

Edit the calendar

Aanpassingen:

  • CSS

Contribute Examples!

If you want to add another example or showcase your calendar, this is the place. You can contact us with the link of the calendar e.g. in an issue.

You can edit the page yourself:

  1. Place all required .ics files in the [calendars] directory.
  2. Download the specification of the calendar. And add it to the templates directory.
  3. Edit this file and add a section.

This calendar is not styled but contains events that can be hosted behind a firewall on a little anonymous server. Example Place all required .ics files in the calendars directory. Download the specification of the calendar. And add it to the templates directory.