Right-to-Left Support
The Navigation widgets fully support RTL languages. As is illustrated in this demo, the Navigation widgets are able to display their contents in a right-to-left direction and fully mirror associated UI elements. Use the language drop-down menu (change from English to Arabic) to explore the differences between default and RTL modes available in DevExtreme.
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window.onload = function() {
var languages = [
"Arabic: Right-to-Left direction",
"English: Left-to-Right direction"
];
var rtlEnabled = ko.observable(false);
var accordionTemplate = ko.computed(function() {
return rtlEnabled() ? "arabic" : "english";
});
var accordionTitleTemplate = ko.computed(function() {
return rtlEnabled() ? "arabicTitle" : "englishTitle";
});
var displayExpr = ko.computed(function() {
return rtlEnabled() ? "textAr" : "text";
});
var viewModel = {
rtlEnabled: rtlEnabled,
treeViewOptions: {
dataSource: continents,
width: 200,
displayExpr: displayExpr,
rtlEnabled: rtlEnabled
},
menuOptions: {
dataSource: continents,
rtlEnabled: rtlEnabled,
displayExpr: displayExpr
},
accordionOptions: {
dataSource: europeCountries,
itemTitleTemplate: accordionTitleTemplate,
itemTemplate: accordionTemplate,
rtlEnabled: rtlEnabled,
},
selectBoxOptions: {
items: languages,
value: languages[1],
onValueChanged: function(data) {
rtlEnabled(data.value === languages[0]);
}
}
};
ko.applyBindings(viewModel, document.getElementById("rtl"));
};
<!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.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/18.2.7/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/18.2.7/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" id="rtl" data-bind="css: { 'dx-rtl': rtlEnabled }">
<div class="options">
<div class="caption">Options</div>
<div class="dx-fieldset">
<div class="dx-field">
<div class="dx-field-label">Language</div>
<div class="dx-field-value">
<div data-bind="dxSelectBox: selectBoxOptions"></div>
</div>
</div>
</div>
</div>
<div>
<div class="dx-fieldset">
<div class="dx-fieldset-header">
<div data-bind="dxMenu: menuOptions"></div>
</div>
</div>
<div class="dx-fieldset">
<div class="dx-field">
<div class="dx-field-label">
<div data-bind="dxTreeView: treeViewOptions"></div>
</div>
<div class="dx-field-value">
<div data-bind="dxAccordion: accordionOptions">
<div data-options="dxTemplate: { name: 'arabic' }">
<div>عاصمة: <span data-bind="text: capitalAr"></span></div>
<div>عدد السكان: <span data-bind="text: population"></span> نسمة</div>
<div>المساحة: <span data-bind="text: area"></span> كم<sup>2</sup></div>
</div>
<div data-options="dxTemplate: { name: 'english' }">
<div>Capital: <span data-bind="text: capitalEn"></span></div>
<div>Population: <span data-bind="text: population"></span> people</div>
<div>Area: <span data-bind="text: area"></span> km<sup>2</sup></div>
</div>
<div data-options="dxTemplate: { name: 'arabicTitle' }">
<div data-bind="text: nameAr"></div>
</div>
<div data-options="dxTemplate: { name: 'englishTitle' }">
<div data-bind="text: nameEn"></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
sup {
font-size: 0.8em;
vertical-align: super;
line-height: 0;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-bottom: 20px;
}
.options .dx-fieldset {
margin: 0;
}
.caption {
font-size: 18px;
font-weight: 500;
padding-right: 15px;
}
.dx-theme-material .dx-accordion .dx-accordion-item-opened .dx-accordion-item-title {
padding-top: 20px;
}
var continents = [{
id: "1",
text: "Africa",
textAr: "أفريقيا",
items: [
{
id: "1_2",
text: "Ethiopia",
textAr: "أثيوبيا",
items: [{
id: "1_2_1",
text: "Addis Ababa",
textAr: "أديس أبابا"
}, {
id: "1_2_2",
text: "Dire Dawa",
textAr: "دير داوا"
}]
},
{
id: "1_1",
text: "Nigeria",
textAr: "نيجيريا",
items: [{
id: "1_1_1",
text: "Lagos",
textAr: "لاغوس"
}, {
id: "1_1_2",
text: "Kano",
textAr: "كانو"
}]
}
]
}, {
id: "2",
text: "Asia",
textAr: "آسيا",
items: [{
id: "2_1",
text: "China",
textAr: "الصين",
items: [{
id: "2_1_1",
text: "Beijing",
textAr: "بكين"
}, {
id: "2_1_2",
text: "Shanghai",
textAr: "شنغهاي"
}]
}, {
id: "2_2",
text: "India",
textAr: "الهند",
items: [{
id: "2_2_1",
text: "Indianapolis",
textAr: "انديانابوليس"
}, {
id: "2_2_2",
text: "New Delhi",
textAr: "نيودلهي"
}]
}]
}, {
id: "3",
text: "Australia",
textAr: "أستراليا",
items: [{
id: "3_1",
text: "Australia",
textAr: "أستراليا",
items: [{
id: "3_1_1",
text: "Canberra",
textAr: "كانبيرا"
}, {
id: "3_1_2",
text: "Melbourne",
textAr: "ملبورن"
}, {
id: "3_1_3",
text: "Sydney",
textAr: "سيدني"
}]
}]
}, {
id: "4",
text: "Europe",
textAr: "أوروبا",
items: [{
id: "4_1",
text: "Germany",
textAr: "ألمانيا",
items: [{
id: "4_1_1",
text: "Berlin",
textAr: "البرلينية"
}, {
id: "4_1_2",
text: "Hamburg",
textAr: "هامبورغ"
}]
}, {
id: "4_2",
text: "Russia",
textAr: "روسيا",
items: [{
id: "4_2_1",
text: "Moscow",
textAr: "موسكو"
}, {
id: "4_2_2",
text: "Saint Petersburg",
textAr: "سانت بطرسبرغ"
}]
}]
}, {
id: "5",
text: "North America",
textAr: "أمريكا الشمالية",
items: [{
id: "5_2",
text: "Mexico",
textAr: "المكسيك",
items: [{
id: "5_2_1",
text: "Mexico City",
textAr: "مكسيكو سيتي"
}, {
id: "5_2_2",
text: "Guadalajara",
textAr: "غوادالاخارا"
}]
}, {
id: "5_1",
text: "United States",
textAr: "الولايات المتحدة الأمريكية",
items: [{
id: "5_1_1",
text: "New York",
textAr: "نيويورك"
}, {
id: "5_1_2",
text: "Washington",
textAr: "واشنطن"
}]
}]
}, {
id: "6",
text: "South America",
textAr: "أمريكا الجنوبية",
items: [{
id: "6_1",
text: "Brazil",
textAr: "البرازيل",
items: [{
id: "6_1_1",
text: "Brasilia",
textAr: "برازيليا"
}, {
id: "6_1_2",
text: "Sao Paulo",
textAr: "ساو باولو"
}]
}, {
id: "6_2",
text: "Colombia",
textAr: "كولومبيا",
items: [{
id: "6_2_1",
text: "Bogota",
textAr: "بوغوتا"
}, {
id: "6_2_2",
text: "Medellin",
textAr: "ميديلين"
}]
}]
}];
var europeCountries = [{
nameAr : "النمسا",
nameEn : "Austria",
population : 8451900,
area : 83855.0,
capitalEn : "Vienna",
capitalAr : "فيينا"
}, {
nameAr : "بلجيكا",
nameEn : "Belgium",
population : 11161600,
area : 30528.0,
capitalEn : "Brussels",
capitalAr : "بروكسل"
}, {
nameAr : "بلغاريا",
nameEn : "Bulgaria",
population : 7284600,
area : 110994.0,
capitalEn : "Sofia",
capitalAr : "صوفيا"
}, {
nameAr : "كرواتيا",
nameEn : "Croatia",
population : 4262100,
area : 56594.0,
capitalEn : "Zagreb",
capitalAr : "زغرب"
}];