buildTabView method

@protected Widget buildTabView(BuildParameters params)

Implementation

@protected
Widget buildTabView(BuildParameters params) {
  var children = <Widget>[];
  if (params.widgets["children"] != null) {
    for (Map childSpec in params.widgets["children"] as List<Map>) {
      children.add(builder.buildWidget(
          params.context, childSpec, params.state, params.parentContext));
    }
  }

  var tabs = <Widget>[];
  if (params.widgets["tabs"] != null) {
    for (Map childSpec in params.widgets["tabs"] as List<Map>) {
      tabs.add(builder.buildWidget(
          params.context, childSpec, params.state, params.parentContext));
    }
  }

  final overlayColor = tryParseColor(params.props["overlayColor"]);
  return DefaultTabController(
    key: properties.getKey(params.id),
    length: min(children.length, tabs.length),
    initialIndex: parseInt(params.props["initialIndex"]),
    child: Column(
      key: properties.getKey("${params.id}_tabs"),
      mainAxisSize: params.props["mainAxisSize"] == "min"
          ? MainAxisSize.min
          : MainAxisSize.max,
      mainAxisAlignment: params.buildProp("mainAxisAlignment"),
      crossAxisAlignment: params.buildProp("crossAxisAlignment"),
      verticalDirection: params.buildProp("verticalDirection"),
      children: [
        TabBar(
          tabs: tabs,
          padding: params.buildProp("padding"),
          indicator: params.buildProp("indicator"),
          indicatorColor: tryParseColor(params.props["indicatorColor"]),
          indicatorPadding:
              params.buildProp("indicatorPadding") ?? EdgeInsets.zero,
          indicatorSize: params.buildProp("indicatorSize"),
          indicatorWeight:
              parseDouble(params.props["indicatorWeight"], defaultValue: 2.0),
          isScrollable: parseBool(params.props["isScrollable"]),
          labelColor: tryParseColor(params.props["labelColor"]),
          labelPadding: params.buildProp("labelPadding"),
          labelStyle: params.buildProp("labelStyle"),
          unselectedLabelColor:
              tryParseColor(params.props["unselectedLabelColor"]),
          unselectedLabelStyle: params.buildProp("unselectedLabelStyle"),
          dividerColor: tryParseColor(params.props["dividerColor"]),
          dividerHeight: tryParseDouble(params.props["dividerHeight"]),
          overlayColor: overlayColor != null
              ? WidgetStatePropertyAll<Color>(overlayColor)
              : null,
        ),
        Expanded(
            child: TabBarView(
          key: properties.getKey("${params.id}_tabViews"),
          children: children,
        )),
      ],
    ),
  );
}