fromDynamic static method

JsonFlatButtonBuilder? fromDynamic(dynamic map, { JsonWidgetRegistry? registry, })

Builds the builder from a Map-like dynamic structure. This expects the JSON format to be of the following structure:

{
  "autofocus": <bool>,
  "clipBehavior": <Clip>,
  "color": <Color>,
  "colorBrightness": <Brightness>,
  "disabledColor": <Color>,
  "disabledTextColor": <Color>,
  "focusColor": <Color>,
  "focusNode": <FocusNode>,
  "height": <double>,
  "highlightColor": <Color>,
  "hoverColor": <Color>,
  "materialTapTargetSize": <MaterialTapTargetSize>,
  "minWidth": <double>,
  "mouseCursor": <MouseCursor>,
  "onHighlightChanged": <ValueChanged<bool>>,
  "onPressed": <VoidCallback>,
  "onLongPress": <VoidCallback>,
  "padding": <EdgeInsetsGeometry>,
  "shape": <ShapeBorder>,
  "splashColor": <Color>,
  "textColor": <Color>,
  "textTheme": <ButtonTextTheme>,
  "visualDensity": <VisualDensity>,
}

As a note, the FocusNode, ValueCallback<bool>, and VoidCallback cannot be decoded via JSON. Instead, the only way to bind those values to the builder is to use a function or a variable reference via the JsonWidgetRegistry.

See also:

• ThemeDecoder.decodeBrightness
• ThemeDecoder.decodeClip
• ThemeDecoder.decodeColor
• ThemeDecoder.decodeBoxDirection
• ThemeDecoder.decodeEdgeInsetsGeometry
• ThemeDecoder.decodeMaterialTapTargetSize
• ThemeDecoder.decodeMouseCursor
• ThemeDecoder.decodeShapeBorder
• ThemeDecoder.decodeButtonTextTheme
• ThemeDecoder.decodeVisualDensity

Implementation

static JsonFlatButtonBuilder? fromDynamic(
  dynamic map, {
  JsonWidgetRegistry? registry,
}) {
  JsonFlatButtonBuilder? result;

  if (map != null) {
    result = JsonFlatButtonBuilder(
      autofocus: JsonClass.parseBool(map['autofocus']),
      clipBehavior: ThemeDecoder.decodeClip(
            map['clipBehavior'],
            validate: false,
          ) ??
          Clip.none,
      color: ThemeDecoder.decodeColor(
        map['color'],
        validate: false,
      ),
      colorBrightness: ThemeDecoder.decodeBrightness(
        map['colorBrightness'],
        validate: false,
      ),
      disabledColor: ThemeDecoder.decodeColor(
        map['disabledColor'],
        validate: false,
      ),
      disabledTextColor: ThemeDecoder.decodeColor(
        map['disabledTextColor'],
        validate: false,
      ),
      focusColor: ThemeDecoder.decodeColor(
        map['focusColor'],
        validate: false,
      ),
      focusNode: map['focusNode'],
      height: JsonClass.parseDouble(map['height']),
      highlightColor: ThemeDecoder.decodeColor(
        map['highlightColor'],
        validate: false,
      ),
      hoverColor: ThemeDecoder.decodeColor(
        map['hoverColor'],
        validate: false,
      ),
      materialTapTargetSize: ThemeDecoder.decodeMaterialTapTargetSize(
        map['materialTapTargetSize'],
        validate: false,
      ),
      minWidth: JsonClass.parseDouble(map['minWidth']),
      mouseCursor: ThemeDecoder.decodeMouseCursor(
        map['mouseCursor'],
        validate: false,
      ),
      onHighlightChanged: map['onHighlightChanged'],
      onPressed: map['onPressed'],
      onLongPress: map['onLongPress'],
      padding: ThemeDecoder.decodeEdgeInsetsGeometry(
        map['padding'],
        validate: false,
      ) as EdgeInsets?,
      shape: ThemeDecoder.decodeShapeBorder(
        map['shape'],
        validate: false,
      ),
      splashColor: ThemeDecoder.decodeColor(
        map['splashColor'],
        validate: false,
      ),
      textColor: ThemeDecoder.decodeColor(
        map['textColor'],
        validate: false,
      ),
      textTheme: ThemeDecoder.decodeButtonTextTheme(
        map['textTheme'],
        validate: false,
      ),
      visualDensity: ThemeDecoder.decodeVisualDensity(
        map['visualDensity'],
        validate: false,
      ),
    );
  }

  return result;
}