TModal class

A customizable modal dialog component.

TModal provides a centered modal overlay with:

• Optional header and footer
• Scrollable content area
• Persistent or dismissible modes
• Custom width and sizing
• Close button support

Basic Usage

showDialog(
  context: context,
  builder: (context) => TModal(
    Text('Modal content goes here'),
    title: 'Modal Title',
    showCloseButton: true,
    onClose: () => Navigator.pop(context),
  ),
);

With Custom Header and Footer

showDialog(
  context: context,
  builder: (context) => TModal(
    YourContentWidget(),
    header: CustomHeaderWidget(),
    footer: Row(
      children: [
        TButton(text: 'Cancel', onTap: () => Navigator.pop(context)),
        TButton(text: 'Save', onTap: () => save()),
      ],
    ),
  ),
);

Persistent Modal

TModal(
  YourContent(),
  persistent: true,  // Cannot be dismissed by tapping outside
  title: 'Important',
  showCloseButton: true,
)

See also:

• TAlert for simple alert dialogs

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatelessWidget
• TModal

Available extensions

• WidgetX

Constructors

TModal(Widget child, {Key? key, bool persistent = false, double width = 500, Widget? header, Widget? footer, String? title, bool? showCloseButton, VoidCallback? onClose, double gap = 15})

Creates a modal dialog.

const

Properties

child → Widget

The content widget to display in the modal.

final

footer → Widget?

Custom footer widget.

final

gap → double

Gap/margin around the modal.

final

hashCode → int

The hash code for this object.

no setter, inherited

header → Widget?

Custom header widget.

final

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

onClose → VoidCallback?

Callback fired when the modal is closed.

final

persistent → bool

Whether the modal is persistent (cannot be dismissed by tapping outside).

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

showCloseButton → bool?

Whether to show the close button in the default header.

final

title → String?

The title text for the default header.

final

width → double

The width of the modal.

final

Methods

box({double minW = 0.0, double minH = 0.0, double maxW = double.infinity, double maxH = double.infinity}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a ConstrainedBox to apply layout constraints.

build(BuildContext context) → Widget

Describes the part of the user interface represented by this widget.

override

center({bool when = true}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Center widget.

createElement() → StatelessElement

Creates a StatelessElement to manage this widget's location in the tree.

inherited

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

expanded({int flex = 1}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in an Expanded widget.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

padding([double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0]) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Padding with flexible edge control.

paddingSymmetric({double h = 0.0, double v = 0.0}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Padding with symmetric horizontal and vertical spacing.

size({double? w, double? h}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a SizedBox to apply fixed width and/or height.

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

visible(bool visible, {bool maintainState = false}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Visibility widget.

when(bool condition) → Widget

Available on Widget, provided by the WidgetX extension

Returns this widget if condition is true, otherwise returns SizedBox.shrink(). Usage: Text('Hello').when(isVisible)

Operators

operator ==(Object other) → bool

The equality operator.

inherited