GridButton class

Grid Button

{@tool sample}

This example shows a simple GridButton.

GridButton(
  onPressed: (dynamic value) {
    /*...*/
  },
  items: [
    [
      GridButtonItem(title: "1"),
      GridButtonItem(title: "2"),
      GridButtonItem(title: "3"),
    ],
    [
      GridButtonItem(title: "a", value: "100"),
      GridButtonItem(title: "b", color: Colors.lightBlue)
    ],
  ],
)

{@end-tool}

The items and onPressed arguments must not be null.

Inheritance

Constructors

GridButton({Key key, @required List<List<GridButtonItem>> items, @required ValueChanged onPressed, Color borderColor, TextStyle textStyle, TextDirection textDirection, double borderWidth: 1.0, bool hideSurroundingBorder: false})
const

Properties

borderColor Color
The color to use when painting the line.
final
borderWidth → double
Width of the divider border, which is usually 1.0.
final
hideSurroundingBorder → bool
Whether to show surrounding borders.
final
items → List<List<GridButtonItem>>
Defines the appearance of the button items that are 2D arrayed within the GridButton.
final
onPressed ValueChanged
Called when the button is tapped or otherwise activated.
final
textDirection TextDirection
Determine the layout order
final
textStyle TextStyle
The text style to use for all buttons in the GridButton. GridButtonItem.textStyle of each item takes precedence.
final
hashCode → int
The hash code for this object.
read-only, inherited
key Key
Controls how one widget replaces another widget in the tree.
final, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

Methods

createState() → _GridButtonState
Creates the mutable state for this widget at a given location in the tree. [...]
override
createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toDiagnosticsNode({String name, DiagnosticsTreeStyle style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.debug}) → String
Returns a string representation of this object.
inherited
toStringDeep({String prefixLineOne: '', String prefixOtherLines, DiagnosticLevel minLevel: DiagnosticLevel.debug}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner: ', ', DiagnosticLevel minLevel: DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(dynamic other) → bool
The equality operator.
inherited