### File

`packages/components/eui-popover/eui-popover.component.ts`

### Description

A flexible popover component that displays content in an overlay positioned relative to an origin element.

The popover can be positioned at four different positions (top, right, bottom, left) relative to the origin element, with automatic fallback positions if the preferred position doesn't fit in the viewport. It supports various visual styles, dismissal behaviors, and size variants.

### Implements

`AfterViewInit` `OnDestroy` `OnInit` `OnChanges`

### Metadata

changeDetection | `ChangeDetectionStrategy.OnPush`
encapsulation | `ViewEncapsulation.None`
HostDirectives | `BaseStatesDirective` Inputs : euiSizeS euiSizeM euiSizeL euiSizeXL euiSize2XL euiSizeAuto euiSizeVariant
selector | `eui-popover`
imports | `NgTemplateOutlet` `OverlayModule` `A11yModule` `ObserversModule` `EuiPopoverArrowPositionDirective` `EUI_BUTTON` `EUI_ICON`
styleUrls | `./styles/_index.scss`
templateUrl | `./eui-popover.component.html`

### Index

###### Properties
Public position$ templatePortalContent
###### Methods
Public closePopover Public onContentChange Public onKeyDown Public openPopover
###### Inputs
hasBackDrop hasCloseButton isDismissable position title type width
###### Outputs
outsideClick popoverClose popoverOpen
###### Accessors
isOpen

### Inputs

hasBackDrop
Type : `boolean`
Default value : `false`
Whether to show a semi-transparent backdrop behind the popover. When true, creates a visual overlay that dims the rest of the UI.

hasCloseButton
Type : `boolean`
Default value : `true`
Whether to show a close button in the top-right corner of the popover. When clicked, the close button will dismiss the popover.

isDismissable
Type : `boolean`
Default value : `true`
Whether the popover can be dismissed by clicking outside its boundaries. When false, the popover will remain open until explicitly closed via code or by clicking the close button (if available).

position
Type : `EuiPopoverPosition`
Default value : `'bottom'`
Determines the preferred placement of the popover relative to its origin element. The component will attempt to use this position first, falling back to alternatives if there's not enough space in the viewport.

title
Type : `string`
Optional title text to display in the popover header. When provided, adds a title element at the top of the popover content.

type
Type : `"default" | "flat" | "colored-header" | "colored-solid"`
Default value : `'default'`
Visual styling variant for the popover. 'default': Standard popover with subtle border and drop shadow 'flat': Popover without shadows, using only border for definition 'colored-header': Popover with an accent-colored header area 'colored-solid': Popover with accent color applied to the entire component

width
Type : `string`
Default value : `null`
Custom width for the popover. Can be specified in any valid CSS unit (px, %, em, etc). When null, the popover width is determined by its content.

### Outputs

outsideClick
Type : `EventEmitter`
Event emitted when a click occurs outside the popover boundaries. Only emitted when isDismissable is true.

popoverClose
Type : `EventEmitter`
Event emitted when the popover is closed. Fires after the popover content has been removed from the DOM.

popoverOpen
Type : `EventEmitter`
Event emitted when the popover is opened. Fires after the popover content has been attached to the DOM and positioned.

### Methods

Public closePopover
`closePopover()`
Closes the popover. Cleans up subscriptions, disposes the overlay, and emits the popoverClose event. Returns : `void`

Public onContentChange
`onContentChange()`
Updates the position strategy when content changes. Recalculates and updates the overlay position to handle content size changes. Returns : `void`

Public onKeyDown
`onKeyDown(event: KeyboardEvent)`
Handles keyboard events to allow closing the popover with the Escape key. Can be used as an alternative to the close button or when hasCloseButton is false. Parameters :
Name | Type | Optional | Description
event | `KeyboardEvent` | No | The keyboard event
Returns : `void`

Public openPopover
`openPopover(origin: ElementRef)`
Opens the popover relative to the provided origin element. Sets up scroll monitoring, position strategy, and attaches the popover content to the overlay. Emits the popoverOpen event when complete. Parameters :
Name | Type | Optional | Description
origin | `ElementRef` | No | Reference to the element that triggers the popover
Returns : `void`

### Properties

Public position$
Type : `Observable<>`

templatePortalContent
Type : `TemplateRef<>`
Decorators : `@ViewChild('templatePortalContent')`

### Accessors

isOpen
get `isOpen()`
Whether the eui-popover is open. Example :
    <eui-popover #popover>
        @if (popover.isOpen) {
             <my-component></my-component>
        }
    </eui-popover>
Returns : `boolean`

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