Calendar
Documentation
The Calendar is a widget that displays a calendar and allows an end user to select the required date within a specified date range.
window.onload = function() {
var zoomLevels = ["month", "year", "decade", "century"],
holydays = [[1,0], [4,6], [25,11]],
useCellTemplate = ko.observable(false),
disableWeekend = ko.observable(false),
cellTemplate = ko.computed(function() {
if (useCellTemplate())
return getCellTemplate;
else
return "cell";
}),
disabledDates = ko.computed(function() {
if(disableWeekend()) {
return isDateDisabled;
} else {
return null;
}
}),
viewModel = {
now: new Date(),
zoomLevels: zoomLevels,
currentValue: ko.observable(new Date()),
calendarDisabled: ko.observable(false),
isMondayFirst: ko.observable(false),
useMinDate: ko.observable(false),
useMaxDate: ko.observable(false),
disableWeekend: disableWeekend,
disabledDates: disabledDates,
zoomLevel: ko.observable(zoomLevels[0]),
cellTemplate: cellTemplate,
useCellTemplate: useCellTemplate
};
function isWeekend(date) {
var day = date.getDay();
return day === 0 || day === 6;
}
function getCellTemplate(data) {
var cssClass = "";
if(isWeekend(data.date))
cssClass = "weekend";
$.each(holydays, function(_, item) {
if(data.date.getDate() === item[0] && data.date.getMonth() === item[1]) {
cssClass = "holyday";
return false;
}
});
return "<span class='" + cssClass + "'>" + data.text + "</span>";
}
function isDateDisabled(data) {
return data.view === "month" && isWeekend(data.date);
}
ko.applyBindings(viewModel, document.getElementById("calendar-demo"));
};
<!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/3.1.0/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery-3.1.0.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/18.1.3/css/dx.spa.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/18.1.3/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/18.1.3/css/dx.light.css" />
<link rel="dx-theme" data-theme="android5.light" href="https://cdn3.devexpress.com/jslib/18.1.3/css/dx.android5.light.css" />
<link rel="dx-theme" data-theme="ios7.default" href="https://cdn3.devexpress.com/jslib/18.1.3/css/dx.ios7.default.css" />
<link rel="dx-theme" data-theme="win10.black" href="https://cdn3.devexpress.com/jslib/18.1.3/css/dx.win10.black.css" />
<link rel="dx-theme" data-theme="win10.white" href="https://cdn3.devexpress.com/jslib/18.1.3/css/dx.win10.white.css" />
<script src="https://cdn3.devexpress.com/jslib/18.1.3/js/dx.all.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="calendar-demo">
<div class="widget-container">
<div id="calendar-container" data-bind="dxCalendar: {
value: currentValue,
min: useMinDate() ? (new Date(now.getTime() - 1000*60*60*24*3)) : undefined,
max: useMaxDate() ? (new Date(now.getTime() + 1000*60*60*24*3)) : undefined,
disabledDates: disabledDates,
disabled: calendarDisabled,
cellTemplate: cellTemplate,
firstDayOfWeek: isMondayFirst() ? 1 : 0,
zoomLevel: zoomLevel }"></div>
</div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<div data-bind="dxCheckBox: {
value: useMinDate,
text: 'Specified min value',
}"></div>
</div>
<div class="option">
<div data-bind="dxCheckBox: {
value: useMaxDate,
text: 'Specified max value',
}"></div>
</div>
<div class="option">
<div data-bind="dxCheckBox: {
value: disableWeekend,
text: 'Disable weekend',
}"></div>
</div>
<div class="option">
<div data-bind="dxCheckBox: {
text: 'Monday as the first day of a week',
value: isMondayFirst
}"></div>
</div>
<div class="option">
<div data-bind="dxCheckBox: {
text: 'Use the Custom Cell Template',
value: useCellTemplate
}"></div>
</div>
<div class="option">
<div data-bind="dxCheckBox: {
text: 'Disabled',
value: calendarDisabled
}"></div>
</div>
<div class="option">
<span>Zoom level</span>
<div id="zoom-level" data-bind="dxSelectBox: {
dataSource: zoomLevels,
value: zoomLevel
}"></div>
</div>
<div class="option">
<span>Selected date</span>
<div id="selected-date" data-bind="dxDateBox: {
value: currentValue,
width: '100%'
}"></div>
</div>
</div>
</div>
</div>
</body>
</html>
.widget-container {
margin-right: 320px;
}
#calendar-container {
margin: auto;
}
.dx-calendar-cell:not(.dx-calendar-other-month) .weekend,
.dx-calendar-cell:not(.dx-calendar-other-month) .holyday {
text-shadow: none;
font-weight: bold;
}
.dx-calendar-cell:not(.dx-calendar-other-month) .weekend {
color: #3030FF;
}
.dx-state-disabled.dx-calendar .dx-calendar-cell:not(.dx-calendar-other-month) .weekend {
color: #8080FF;
}
.dx-calendar-cell:not(.dx-calendar-other-month) .holyday {
color: #FF3030;
}
.dx-state-disabled.dx-calendar .dx-calendar-cell:not(.dx-calendar-other-month) .holyday {
color: #FF8080;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
position: absolute;
right: 0;
top: 0;
bottom: 0;
width: 260px;
}
.caption {
font-weight: 500;
font-size: 18px;
}
.option {
margin-top: 10px;
}