buildByMaterial method

@override Widget buildByMaterial(BuildContext context)

build on material mode

Implementation

@override
Widget buildByMaterial(BuildContext context) {
  BaseAppBar? appBar =
      valueOf('appBar', this.appBar) ?? valueOf('navBar', navBar);
  final double? appBarHeight = BaseTheme.of(context)
      .valueOf('appBarHeight', BaseTheme.of(context).appBarHeight);

  // Check if drawers are present and automatically inject menu icon if needed
  final Widget? drawer = valueOf('drawer', this.drawer);
  final Widget? endDrawer = valueOf('endDrawer', this.endDrawer);

  // Auto-inject drawer menu icon when drawer is present and no leading widget specified
  if (appBar != null &&
      drawer != null &&
      appBar.leading == null &&
      appBar.automaticallyImplyLeading) {
    // Create a new BaseAppBar instance with drawer menu icon
    appBar = BaseAppBar(
      key: appBar.key,
      leading: Builder(
        builder: (BuildContext context) => IconButton(
          icon: const Icon(Icons.menu),
          onPressed: () => Scaffold.of(context).openDrawer(),
          tooltip: MaterialLocalizations.of(context).openAppDrawerTooltip,
        ),
      ),
      trailing: appBar.trailing,
      automaticallyImplyLeading: appBar.automaticallyImplyLeading,
      automaticallyImplyMiddle: appBar.automaticallyImplyMiddle,
      backgroundColor: appBar.backgroundColor,
      brightness: appBar.brightness,
      previousPageTitle: appBar.previousPageTitle,
      middle: appBar.middle,
      border: appBar.border,
      padding: appBar.padding,
      transitionBetweenRoutes: appBar.transitionBetweenRoutes,
      heroTag: appBar.heroTag,
      backdropFilter: appBar.backdropFilter,
      height: appBar.height,
      title: appBar.title,
      actions: appBar.actions,
      flexibleSpace: appBar.flexibleSpace,
      bottom: appBar.bottom,
      elevation: appBar.elevation,
      iconTheme: appBar.iconTheme,
      shadowColor: appBar.shadowColor,
      shape: appBar.shape,
      actionsIconTheme: appBar.actionsIconTheme,
      textTheme: appBar.textTheme,
      primary: appBar.primary,
      centerTitle: appBar.centerTitle,
      titleSpacing: appBar.titleSpacing,
      excludeHeaderSemantics: appBar.excludeHeaderSemantics,
      toolbarOpacity: appBar.toolbarOpacity,
      bottomOpacity: appBar.bottomOpacity,
      foregroundColor: appBar.foregroundColor,
      leadingWidth: appBar.leadingWidth,
      backwardsCompatibility: appBar.backwardsCompatibility,
      toolbarTextStyle: appBar.toolbarTextStyle,
      titleTextStyle: appBar.titleTextStyle,
      systemOverlayStyle: appBar.systemOverlayStyle,
      baseParam: appBar.baseParam,
    );
  }

  Widget? _appBar;
  if (appBarHeight != null && appBar != null) {
    _appBar = appBar.build(context);
  } else {
    _appBar = appBar;
  }

  // Determine if body should extend behind app bar
  final bool shouldExtendBehindAppBar =
      extendBodyBehindAppBar ?? _shouldExtendBodyBehindAppBar(appBar);

  // Intelligent body wrapping with SafeArea
  final Widget? bodyWidget = valueOf('body', body);
  final Widget? wrappedBody =
      bodyWidget != null ? _wrapBodyWithSafeArea(bodyWidget, appBar) : null;

  // Get theme-aware background color for Material mode
  Color? effectiveBackgroundColor =
      valueOf('backgroundColor', backgroundColor);
  if (effectiveBackgroundColor == null) {
    // Use theme's scaffold background color when no explicit color is provided
    effectiveBackgroundColor = Theme.of(context).scaffoldBackgroundColor;
  }

  return Scaffold(
    appBar: _appBar != null ? _appBar as PreferredSizeWidget : null,
    body: wrappedBody,
    floatingActionButton:
        valueOf('floatingActionButton', floatingActionButton),
    floatingActionButtonLocation:
        valueOf('floatingActionButtonLocation', floatingActionButtonLocation),
    floatingActionButtonAnimator:
        valueOf('floatingActionButtonAnimator', floatingActionButtonAnimator),
    persistentFooterButtons:
        valueOf('persistentFooterButtons', persistentFooterButtons),
    drawer: valueOf('drawer', drawer),
    onDrawerChanged: valueOf('onDrawerChanged', onDrawerChanged),
    endDrawer: valueOf('endDrawer', endDrawer),
    onEndDrawerChanged: valueOf('onEndDrawerChanged', onEndDrawerChanged),
    bottomNavigationBar: valueOf('bottomNavigationBar', bottomNavigationBar),
    bottomSheet: valueOf('bottomSheet', bottomSheet),
    backgroundColor: effectiveBackgroundColor,
    resizeToAvoidBottomInset:
        valueOf('resizeToAvoidBottomInset', resizeToAvoidBottomInset),
    primary: valueOf('primary', primary),
    drawerDragStartBehavior:
        valueOf('drawerDragStartBehavior', drawerDragStartBehavior),
    extendBody: valueOf('extendBody', extendBody),
    extendBodyBehindAppBar: shouldExtendBehindAppBar,
    drawerScrimColor: valueOf('drawerScrimColor', drawerScrimColor),
    drawerEdgeDragWidth: valueOf('drawerEdgeDragWidth', drawerEdgeDragWidth),
    drawerEnableOpenDragGesture:
        valueOf('drawerEnableOpenDragGesture', drawerEnableOpenDragGesture),
    endDrawerEnableOpenDragGesture: valueOf(
        'endDrawerEnableOpenDragGesture', endDrawerEnableOpenDragGesture),
    restorationId: valueOf('restorationId', restorationId),
  );
}