Popover

The Popover is a widget that shows notifications within a box with an arrow pointing to a specified UI element.

Included in: dx.mobile.js, dx.web.js, dx.viz-web.js, dx.all.js
Module: ui/popover

You can create the widget using one of the following approaches.

  • jQuery
    Use the dxPopover jQuery plug-in.

    HTML
    <div id="popover"></div>
    <div id="targetElement"></div>
    JavaScript
    $("#popover").dxPopover({
        target: "#targetElement",
        showTitle: true,
        title: 'Popover title'
    });
  • Knockout
    Add a div element and apply the dxPopover binding to this element.

    HTML
    <div data-bind="dxPopover: {
        target: '#targetElement',
        showTitle: true,
        title: 'Popover title'
    }"></div>
  • AngularJS
    Add a div element and apply the dx-popover directive to this element.

    HTML
    <div dx-popover="{
        target: '#targetElement',
        showTitle: true,
        title: 'Popover title'
    }"></div>

Note that DevExtreme widgets require you to link the jQuery library to your application. If you use the Knockout or AngularJS approach, the Knockout or AngularJS library is also required. For detailed information on linking these libraries to your project, refer to the Installation article.

You can find detailed information on the principles of working with the widget in the dxPopover section of the Overlay Widgets article.

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Configuration

An object defining configuration options for the Popover widget.

Name Description
animation

An object defining the animation options of the widget.

closeOnBackButton

A Boolean value specifying whether or not the widget is closed if a user presses the Back hardware button.

closeOnOutsideClick

A Boolean value specifying whether or not the widget is closed if a user clicks outside of the popover window and outside the target element.

contentTemplate

A template to be used for rendering widget content.

deferRendering

Specifies whether widget content is rendered when the widget is shown or when rendering the widget.

disabled

A Boolean value specifying whether or not the widget can respond to user interaction.

height

Specifies the height of the widget.

hint

Specifies the text of the hint displayed for the widget.

hoverStateEnabled

A Boolean value specifying whether or not the widget changes its state when being hovered by an end user.

maxHeight

Specifies the maximum height the widget can reach while resizing.

maxWidth

Specifies the maximum width the widget can reach while resizing.

minHeight

Specifies the minimum height the widget can reach while resizing.

minWidth

Specifies the minimum width the widget can reach while resizing.

onContentReady

A handler for the contentReady event.

onDisposing

A handler for the disposing event.

onHidden

A handler for the hidden event.

onHiding

A handler for the hiding event.

onInitialized

A handler for the initialized event.

onOptionChanged

A handler for the optionChanged event.

onShowing

A handler for the showing event.

onShown

A handler for the shown event.

onTitleRendered

A handler for the titleRendered event.

position

An object defining widget positioning options.

rtlEnabled

Specifies whether or not the current component supports a right-to-left representation.

shading

A Boolean value specifying whether or not the main screen is inactive while the widget is active.

shadingColor

Specifies the shading color.

showCloseButton

Specifies whether or not the widget displays the Close button.

showTitle

A Boolean value specifying whether or not to display the title in the overlay window.

target

The target element associated with a popover.

title

The title in the overlay window.

titleTemplate

A template to be used for rendering the widget title.

toolbarItems

Specifies items displayed on the top or bottom toolbar of the popup window.

visible

A Boolean value specifying whether or not the widget is visible.

width

Specifies the width of the widget.

Methods

This section describes members used to manipulate the widget.

Name Description
baseZIndex(zIndex)

A static method that specifies the base z-index for all overlay widgets.

beginUpdate()

Prevents the component from refreshing until the endUpdate() method is called.

content()

An HTML element of the widget.

defaultOptions(rule)

Specifies the device-dependent default configuration options for this component.

element()

Returns the root HTML element of the widget.

endUpdate()

Enables the component to refresh after the beginUpdate() method call.

hide()

Hides the widget.

instance()

Returns an instance of this component class.

off(eventName)

Detaches all event handlers from the specified event.

off(eventName, eventHandler)

Detaches a particular event handler from the specified event.

on(eventName, eventHandler)

Subscribes to a specified event.

on(events)

Subscribes to the specified events.

option()

Returns the configuration options of this component.

option(optionName)

Gets the value of the specified configuration option of this component.

option(optionName, optionValue)

Sets a value to the specified configuration option of this component.

option(options)

Sets one or more options of this component.

repaint()

Recalculates the overlay's size and position.

show()

Shows the widget.

show(target)

Displays the widget for the specified target element.

toggle(showing)

Toggles the visibility of the widget.

Events

This section describes events fired by this widget.

Name Description
contentReady

Fires when widget content is ready.

disposing

Fires when the widget is being removed.

hidden

Fires after the overlay is hidden.

hiding

Fires before hiding the overlay.

initialized

Fires when the widget is initialized.

optionChanged

Fires after an option of the component is changed.

showing

Fires before showing the overlay.

shown

Fires after the overlay is shown.

titleRendered

Fires after the widget title is rendered.