VelocityInputNumber class
数字输入框组件
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- VelocityInputNumber
Constructors
-
VelocityInputNumber({Key? key, TextEditingController? controller, FocusNode? focusNode, String? label, String? hint, String? helper, String? error, IconData? prefixIcon, IconData? suffixIcon, bool enabled = true, bool readOnly = false, num? value, num? min, num? max, num step = 1, int decimals = 0, bool showButtons = true, VelocityInputNumberButtonPlacement buttonPlacement = VelocityInputNumberButtonPlacement.vertical, ValueChanged<
num> ? onChanged, ValueChanged<num> ? onSubmitted, VoidCallback? onIncrement, VoidCallback? onDecrement, VelocityInputNumberStyle? style}) -
创建数字输入框组件
const
Properties
-
按钮位置
final
- controller → TextEditingController?
-
控制器
final
- decimals → int
-
小数位数
final
- enabled → bool
-
是否启用
final
- error → String?
-
错误文本
final
- focusNode → FocusNode?
-
焦点节点
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- helper → String?
-
帮助文本
final
- hint → String?
-
提示文本
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- label → String?
-
标签文本
final
- max → num?
-
最大值
final
- min → num?
-
最小值
final
-
onChanged
→ ValueChanged<
num> ? -
值改变回调
final
- onDecrement → VoidCallback?
-
减少回调
final
- onIncrement → VoidCallback?
-
增加回调
final
-
onSubmitted
→ ValueChanged<
num> ? -
提交回调
final
- prefixIcon → IconData?
-
前缀图标
final
- readOnly → bool
-
是否只读
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showButtons → bool
-
是否显示按钮
final
- step → num
-
步长
final
- style → VelocityInputNumberStyle?
-
样式
final
- suffixIcon → IconData?
-
后缀图标
final
- value → num?
-
当前值
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< VelocityInputNumber> -
Creates the mutable state for this widget at a given location in the tree.
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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.info}) → String -
A string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → 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 ==(
Object other) → bool -
The equality operator.
inherited