Button class

The Button widget (HTML's button tag).

Inheritance

• Object
• Widget
• HTMLWidgetBase
• Button

Constructors

Button({String? name, String? value, ButtonType? type, bool? disabled, String? form, String? formAction, FormEncType? formEncType, FormMethodType? formMethod, String? formTarget, bool? formNoValidate, 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

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

correspondingTag → DomTagType

Corresponding HTML tag to use to render this widget

no setter, override

disabled → bool?

Whether Button is disabled.

final

form → String?

The form element to associate the button with (its form owner). The value of this attribute must be the id of a form in the same document. (If this attribute is not set, the button is associated with its ancestor form element, if any.).

final

formAction → String?

The URL that processes the information submitted by the button. Overrides the action attribute of the button's form owner. Does nothing if there is no form owner.

final

formEncType → FormEncType?

If the button is a submit button (it's inside/associated with a form and doesn't have type="button").

final

formMethod → FormMethodType?

If the button is a submit button (it's inside/associated with a form and doesn't have type="button"), this attribute specifies the HTTP method used to submit the form.

final

formNoValidate → bool?

If the button is a submit button, this Boolean attribute specifies that the form is not to be validated when it is submitted. If this attribute is specified, it overrides the novalidate attribute of the button's form owner.

final

formTarget → String?

f the button is a submit button, this attribute is an author-defined name or standardized, underscore-prefixed keyword indicating where to display the response from submitting the form.

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

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

name → String?

Associated Name. Used if Button is part of a form.

final

onClick → EventCallback?

On click event listener.

final, inherited

ref → NullableElementCallback?

Reference callback.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

style → String?

The style attribute for inline CSS.

final, inherited

title → String?

The title attribute specifies extra information about an dom node.

final, inherited

type → ButtonType?

Type of Button.

final

value → String?

Value of Button.

final

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 Button 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