ImageMapArea class

The ImageMapArea widget (HTML's area tag).

Inheritance

• Object
• Widget
• HTMLWidgetBase
• ImageMapArea

Constructors

ImageMapArea({String? alt, String? coords, String? href, String? hrefLang, String? ping, ReferrerPolicyType? referrerPolicy, String? rel, String? shape, String? target, String? download, Key? key, NullableElementCallback? ref, String? id, String? title, String? style, String? className, bool? hidden, String? innerText, Widget? child, List<Widget>? children, EventCallback? onClick, Map<String, String>? additionalAttributes})

const

Properties

additionalAttributes → Map<String, String>?

Any additional attributes.

final, inherited

alt → String?

A text string alternative to display on browsers that do not display images.

final

child → Widget?

Child widget.

final, inherited

children → List<Widget>?

Multiple child widgets.

final, inherited

className → String?

The classes attribute specifies one or more class names for an dom node.

final, inherited

coords → String?

The coords attribute details the coordinates of the shape attribute in size, shape, and placement of an ImageMapArea.

final

correspondingTag → DomTagType

Corresponding HTML tag to use to render this widget

no setter, override

download → String?

This attribute, if present, indicates that the author intends the hyperlink to be used for downloading a resource.

final

hashCode → int

The hash code for this object.

no setter, inherited

hidden → bool?

The hidden attribute is a boolean attribute. When present, it specifies that an dom node is not yet, or is no longer, relevant.

final, inherited

href → String?

The hyperlink target for the area. Its value is a valid URL. This attribute may be omitted; if so, the ImageMapArea element does not represent a hyperlink.

final

hrefLang → String?

Indicates the language of the linked resource.

final

id → String?

ID of dom node.

final, inherited

innerText → String?

Element's inner text.

final, inherited

key → Key?

Keys help Rad identify which widgets have changed, are added, or are removed when a widget has multiple sibling widgets.

final, inherited

onClick → EventCallback?

On click event listener.

final, inherited

ping → String?

Contains a space-separated list of URLs to which, when the hyperlink is followed, POST requests with the body PING will be sent by the browser (in the background). Typically used for tracking.

final

ref → NullableElementCallback?

Reference callback.

final, inherited

referrerPolicy → ReferrerPolicyType?

A ReferrerPolicyType indicating which referrer to use when fetching the resource.

final

rel → String?

For anchors containing the href attribute, this attribute specifies the relationship of the target object to the link object. The value is a space-separated list of link types values. The values and their semantics will be registered by some authority that might have meaning to the document author. The default relationship, if no other is given, is void. Use this attribute only if the href attribute is present.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

shape → String?

The shape of the associated hot spot. The specifications for HTML defines the values rect, which defines a rectangular region; circle, which defines a circular region; poly, which defines a polygon; and default, which indicates the entire region beyond any defined shapes.

final

style → String?

The style attribute for inline CSS.

final, inherited

target → String?

A keyword or author-defined name of the browsing context to display the linked resource.

final

title → String?

The title attribute specifies extra information about an dom node.

final, inherited

widgetCaptureEventListeners → Map<DomEventType, EventCallback?>

Events that this widget is listening to in capturing phase.

no setter, inherited

widgetEventListeners → Map<DomEventType, EventCallback?>

Events that this widget is listening to in bubbling phase.

no setter, inherited

Methods

createRenderElement(RenderElement parent) → RenderElement

Create element for current widget.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

shouldUpdateWidget(covariant ImageMapArea oldWidget) → bool

Whether to update current widget.

override

shouldUpdateWidgetChildren(Widget oldWidget, bool shouldUpdateWidget) → bool

Whether to update current widget's children.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited