AdeptDropDownButton<T> constructor

AdeptDropDownButton<T>({ AdeptValueController<T>? controller, String? label, bool useTextUnspecified = true, String? textUnspecified, List<String?>? entries, List<T?>? entryValues, Key? key, T? value, Widget? hint, Widget? disabledHint, ValueChanged<T>? onChanged, int elevation = 8, TextStyle? style, Widget? underline, Widget? icon, Color? iconDisabledColor, Color? iconEnabledColor, double iconSize = 24.0, bool isDense = false, bool isExpanded = false, })

Implementation

AdeptDropDownButton({
  this.controller,
  this.label,
  this.useTextUnspecified = true,
  this.textUnspecified,
  this.entries,
  this.entryValues,
  this.key,
  this.value,
  this.hint,
  this.disabledHint,
  this.onChanged,
  this.elevation = 8,
  this.style,
  this.underline,
  this.icon,
  this.iconDisabledColor,
  this.iconEnabledColor,
  this.iconSize = 24.0,
  this.isDense = false,
  this.isExpanded = false,
}) : super() {
  assert(entries != null);
  assert(entryValues != null);
  assert(entries!.length == entryValues!.length);
  textUnspecified ??= "Unspecified";
  label ??= "";
  if (useTextUnspecified) {
    entries!.insert(0, textUnspecified);
    entryValues!.insert(0, null);
  }
  controller ??= AdeptValueController(value: entryValues![0]);
}