CardSettingsFilePicker class

This is the file picker field

Inheritance
Implemented types

Constructors

CardSettingsFilePicker({Key? key, AutovalidateMode autovalidateMode = AutovalidateMode.onUserInteraction, FormFieldSetter<Uint8List>? onSaved, FormFieldValidator<Uint8List>? validator, Uint8List? initialValue, bool visible = true, String label = 'File', bool enabled = true, String? unattachDialogTitle, String unattachDialogCancel = 'Cancel', String unattachDialogConfirm = 'Unattach', ValueChanged<Uint8List?>? onChanged, TextAlign? contentAlign, double maxThumbnailWidth = 180, double maxThumbnailHeight = 180, Icon? icon, TextAlign? labelAlign, double? labelWidth, Widget? requiredIndicator, TextStyle? style, bool? showMaterialonIOS, EdgeInsetsGeometry? fieldPadding, FileType? fileType, List<String>? allowedExtensions})

Properties

allowedExtensions → List<String>?
a list of allowed file extensions
final
autovalidateMode → AutovalidateMode
Used to enable/disable this form field auto validation and update its error text.
finalinherited
builder → FormFieldBuilder<Uint8List>
Function that returns the widget representing this form field. It is passed the form field state as input, containing the current value and validation state of this field.
finalinherited
contentAlign → TextAlign?
controls how the widget in the content area of the field is aligned
final
enabled → bool
If false the field is grayed out and unresponsive
final
fieldPadding → EdgeInsetsGeometry?
provides padding to wrap the entire field
final
fileType → FileType?
the type of the files allowed
final
forceErrorText → String?
An optional property that forces the FormFieldState into an error state by directly setting the FormFieldState.errorText property without running the validator function.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
icon → Icon?
The icon to display to the left of the field content
final
initialValue → Uint8List?
An optional value to initialize the form field to, or null otherwise.
finalinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label → String
The text to identify the field to the user
final
labelAlign → TextAlign?
The alignment of the label paret of the field. Default is left.
final
labelWidth → double?
The width of the field label. If provided overrides the global setting.
final
maxThumbnailHeight → double
a restriction on the height growth of the thumbnail
final
maxThumbnailWidth → double
a restriction on the width growth of the thumbnail
final
onChanged → ValueChanged<Uint8List?>?
fires when the picker data is changed
final
onSaved → FormFieldSetter<Uint8List>?
An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
requiredIndicator → Widget?
A widget to show next to the label if the field is required
final
restorationId → String?
Restoration ID to save and restore the state of the form field.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
showMaterialonIOS → bool?
Force the widget to use Material style on an iOS device
final
style → TextStyle?
the style of the label text
final
unattachDialogCancel → String
The cancel label of the dialog when a file is unattached
final
unattachDialogConfirm → String
The confirm label of the dialog when a file is unattached
final
unattachDialogTitle → String
The title of the dialog when a file is unattached
final
validator → FormFieldValidator<Uint8List>?
An optional method that validates an input. Returns an error string to display if the input is invalid, or null otherwise.
finalinherited
visible → bool
If false hides the widget on the card setting panel
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _CardSettingsFilePickerState
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}) → 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

Static Methods

formatBytes(int bytes, int decimals) → String