BottomNavigation JSP Tag Overview

The BottomNavigation JSP tag is a server-side wrapper for the Kendo UI BottomNavigation widget.

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Getting Started

Configuration

The BottomNavigation provides a set of default API configuration options that can be set during its initialization. Follow the steps below to configure the Kendo UI BottomNavigation for JSP:

Step 1 Make sure you followed all the steps in the introductory article on Telerik UI for JSP.

Step 2 Create a new action method to render the view:

    @RequestMapping(value = {"index"}, method = RequestMethod.GET)
    public String index() {

        return "web/bottomnavigation/index";
    }

Step 3 Add the Kendo UI taglib mapping to the page:

    <%@taglib prefix="kendo" uri="https://www.telerik.com/kendo-ui/jsp/tags"%>

Step 4 Add the bottomNavigation tag and configure the component:

    <kendo:bottomNavigation name="bottomNavigation" positionMode="absolute">
            <kendo:bottomNavigation-items>
                <kendo:bottomNavigation-item text="Inbox"  icon="email" data="<%=inboxData %>" selected="true" template='<span class="k-bottom-nav-item-icon k-icon k-i-email"></span><span class="k-bottom-nav-item-text">Inbox</span><span id="badgeInbox" style="top: 2px; left: 55px"></span>'></kendo:bottomNavigation-item>
                <kendo:bottomNavigation-item text="Calendar"  icon="calendar-date" data="<%=calendarData %>"></kendo:bottomNavigation-item>
                <kendo:bottomNavigation-item text="Profile"  icon="user" data="<%=profileData %>"></kendo:bottomNavigation-item>
            </kendo:bottomNavigation-items>
    </kendo:bottomNavigation>

Items

The Kendo UI BottomNavigation's items configuration allows setting various properties. For the full set, refer to the API reference.

Note: When the items.url configuration is set, the items will be rendered as <a> tags. Otherwise, they will be rendered as <span> tags.

    <kendo:bottomNavigation name="bottomNavigation" positionMode="absolute">
            <kendo:bottomNavigation-items>
                <kendo:bottomNavigation-item text="Inbox" url="#inbox" icon="email" data="<%=inboxData %>" selected="true" template='<span class="k-bottom-nav-item-icon k-icon k-i-email"></span><span class="k-bottom-nav-item-text">Inbox</span><span id="badgeInbox" style="top: 2px; left: 55px"></span>'></kendo:bottomNavigation-item>
                <kendo:bottomNavigation-item text="Calendar" url="#calendar" enabled="false" icon="calendar-date" data="<%=calendarData %>"></kendo:bottomNavigation-item>
                <kendo:bottomNavigation-item text="Profile" icon="user" data="<%=profileData %>"></kendo:bottomNavigation-item>
            </kendo:bottomNavigation-items>
    </kendo:bottomNavigation>

Appearance

The Kendo UI BottomNavigation for JSP allows you to alter the appearance of the component by setting the itemFlow, themeColor, shadow border and fill.

    <kendo:bottomNavigation name="bottomNavigation" positionMode="absolute" itemFlow="horizontal" themeColor="secondary" border="false" shadow="true" fill="solid">
            <kendo:bottomNavigation-items>
                <kendo:bottomNavigation-item text="Inbox"  icon="email" data="<%=inboxData %>" selected="true" template='<span class="k-bottom-nav-item-icon k-icon k-i-email"></span><span class="k-bottom-nav-item-text">Inbox</span><span id="badgeInbox" style="top: 2px; left: 55px"></span>'></kendo:bottomNavigation-item>
                <kendo:bottomNavigation-item text="Calendar" icon="calendar-date" data="<%=calendarData %>"></kendo:bottomNavigation-item>
                <kendo:bottomNavigation-item text="Profile" icon="user" data="<%=profileData %>"></kendo:bottomNavigation-item>
            </kendo:bottomNavigation-items>
    </kendo:bottomNavigation>

Event Handling

Subscribe to Events

You can subscribe to the events exposed by Kendo UI BottomNavigation by the handler name.

<kendo:bottomNavigation name="bottomNavigation" positionMode="absolute" select="onSelect">
        <kendo:bottomNavigation-items>
            <kendo:bottomNavigation-item text="Inbox"  icon="email" data="<%=inboxData %>" selected="true"></kendo:bottomNavigation-item>
            <kendo:bottomNavigation-item text="Calendar"  icon="calendar-date" data="<%=calendarData %>"></kendo:bottomNavigation-item>
            <kendo:bottomNavigation-item text="Profile"  icon="user" data="<%=profileData %>"></kendo:bottomNavigation-item>
        </kendo:bottomNavigation-items>
</kendo:bottomNavigation>
<script>
    function onSelect(e) {
       // handle the BottomNavigation select event
    }

</script>

Reference

Existing Instances

You are able to reference an existing BottomNavigation instance via the jQuery.data(). Once a reference is established, you are able to use the BottomNavigation API to control its behavior.

<kendo:bottomNavigation name="bottomNavigation" positionMode="absolute" select="onSelect">
        <kendo:bottomNavigation-items>
            <kendo:bottomNavigation-item text="Inbox"  icon="email" data="<%=inboxData %>" selected="true"></kendo:bottomNavigation-item>
            <kendo:bottomNavigation-item text="Calendar"  icon="calendar-date" data="<%=calendarData %>"></kendo:bottomNavigation-item>
            <kendo:bottomNavigation-item text="Profile"  icon="user" data="<%=profileData %>">
        </kendo:bottomNavigation-item>
</kendo:bottomNavigation-items>

// Put this after your Kendo BottomNavigation tag declaration
<script>
$(function() {
    // Notice that the Name() of the BottomNavigation is used to get its client-side instance
    var bottomNavigation = $("#bottomNavigation").data("kendoBottomNavigation");
});
</script>

See Also

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