TooltipComponent

23 Sep 20257 minutes to read

Represents the Angular Tooltip component that displays a piece of information about the target element on mouse hover.

<ejs-tooltip content='Tooltip content'>Show Tooltip</ejs-tooltip>

Properties

animation AnimationModel

We can set the same or different animation option to Tooltip while it is in open or close state.
Refer the documentation here
to know more about this property with demo.

Defaults to { open: { effect: ‘FadeIn’, duration: 150, delay: 0 }, close: { effect: ‘FadeOut’, duration: 150, delay: 0 } }

closeDelay number

It is used to close the Tooltip after a specified delay in milliseconds.

Defaults to 0

container string|HTMLElement

It is used to set the container element in which the Tooltip’s pop-up will be appended. It accepts value as both string and HTML Element.
It’s default value is body, in which the Tooltip’s pop-up will be appended.

content any

It is used to display the content of Tooltip which can be both string and HTML Elements.
Refer the documentation here
to know more about this property with demo.

cssClass string

It is used to customize the Tooltip which accepts custom CSS class names that
defines specific user-defined styles and themes to be applied on the Tooltip element.

Defaults to null

enableHtmlParse boolean

It enables or disables the parsing of HTML string content into HTML DOM elements for Tooltip.
If the value of the property is set to false, the tooltip content will be displayed as HTML string instead of HTML DOM elements.

Defaults to true

enableHtmlSanitizer boolean

Specifies whether to display or remove the untrusted HTML values in the Tooltip component.
If ‘enableHtmlSanitizer’ set to true, the component will sanitize any suspected untrusted strings and scripts before rendering them.

Defaults to true

enablePersistence boolean

Enable or disable persisting component’s state between page reloads.

Defaults to false

enableRtl boolean

Enable or disable rendering component in right to left direction.

Defaults to false

height string|number

It is used to set the height of Tooltip component which accepts both string and number values.
When Tooltip content gets overflow due to height value then the scroll mode will be enabled.
Refer the documentation here
to know more about this property with demo.

Defaults to ‘auto’

htmlAttributes { : }

Allows additional HTML attributes such as tabindex, title, name, etc. to root element of the Tooltip popup, and
accepts n number of attributes in a key-value pair format.

Defaults to {}

isSticky boolean

It is used to display the Tooltip in an open state until closed by manually.
Refer the documentation here
to know more about this property with demo.

Defaults to false

locale string

Overrides the global culture and localization value for this component. Default global culture is ‘en-US’.

Defaults to ’’

mouseTrail boolean

It allows the Tooltip to follow the mouse pointer movement over the specified target element.
Refer the documentation here
to know more about this property with demo.

Defaults to false

offsetX number

It sets the space between the target and Tooltip element in X axis.

Defaults to 0

offsetY number

It sets the space between the target and Tooltip element in Y axis.

Defaults to 0

openDelay number

It is used to open the Tooltip after the specified delay in milliseconds.

Defaults to 0

opensOn string

It is used to determine the device mode to display the Tooltip content.
If it is in desktop, it will show the Tooltip content when hovering on the target element.
If it is in touch device, it will show the Tooltip content when tap and holding on the target element.

Defaults to ‘Auto’

position Position

It is used to set the position of Tooltip element, with respect to Target element.

showTipPointer boolean

It is used to show or hide the tip pointer of Tooltip.

Defaults to true

target string

It is used to denote the target selector where the Tooltip need to be displayed.
The target element is considered as parent container.

tipPointerPosition TipPointerPosition

It is used to set the position of tip pointer on tooltip.
When it sets to auto, the tip pointer auto adjusts within the space of target’s length
and does not point outside.
Refer the documentation
here
to know more about this property with demo.

Defaults to ‘Auto’

width string|number

It is used to set the width of Tooltip component which accepts both string and number values.
When set to auto, the Tooltip width gets auto adjusted to display its content within the viewable screen.

Defaults to ‘auto’

windowCollision boolean

It is used to set the collision target element as page viewport (window) or Tooltip element, when using the target.
If this property is enabled, tooltip will perform the collision calculation between the target elements
and viewport(window) instead of Tooltip element.

Defaults to false

Methods

close

It is used to hide the Tooltip with specific animation effect.

Parameter Type Description
animation (optional) TooltipAnimationSettings Sets the specific animation when hiding Tooltip from the screen. (It is an optional parameter)

Returns void

destroy

It is used to destroy the Tooltip component.

Returns void

open

It is used to show the Tooltip on the specified target with specific animation settings.

Parameter Type Description
element (optional) HTMLElement Target element where the Tooltip is to be displayed. (It is an optional parameter)
animation (optional) TooltipAnimationSettings Sets the specific animation, while showing the Tooltip on the screen. (It is an optional parameter)

Returns void

refresh

It is used to refresh the Tooltip content and its position.

Parameter Type Description
target (optional) HTMLElement Target element where the Tooltip content or position needs to be refreshed.

Returns void

Events

afterClose EmitType<TooltipEventArgs>

We can trigger afterClose event when the Tooltip Component gets closed.

afterOpen EmitType<TooltipEventArgs>

We can trigger afterOpen event after the Tooltip Component gets opened.

beforeClose EmitType<TooltipEventArgs>

We can trigger beforeClose event before the Tooltip hides from the screen. If returned false, then the Tooltip is no more hidden.

beforeCollision EmitType<TooltipEventArgs>

We can trigger beforeCollision event for every collision fit calculation.

beforeOpen EmitType<TooltipEventArgs>

We can trigger beforeOpen event before the Tooltip is displayed over the target element.
When one of its arguments cancel is set to true, the Tooltip display can be prevented.
This event is mainly used for the purpose of refreshing the Tooltip positions dynamically or to
set customized styles in it and so on.

beforeRender EmitType<TooltipEventArgs>

We can trigger beforeRender event before the Tooltip and its contents are added to the DOM.
When one of its arguments cancel is set to true, the Tooltip can be prevented from rendering on the page.
This event is mainly used for the purpose of customizing the Tooltip before it shows up on the screen.
For example, to load the AJAX content or to set new animation effects on the Tooltip, this event can be opted.
Refer the documentation
here
to know more about this property with demo.

created EmitType<Object>

We can trigger created event after the Tooltip component is created.

destroyed EmitType<Object>

We can trigger destroyed event when the Tooltip component is destroyed.