roomListEntry method

Widget roomListEntry(EnhancedRoomModel room, bool isCurrent)

Implementation

Widget roomListEntry(EnhancedRoomModel room, bool isCurrent) {
  var timestampRoom = (room.roomModel.timestamp != null)
      ? room.roomModel.timestamp!
      : DateTime.now();
  var nameList = room.otherMembersRoomInfo.map((e) => e.name).toList();
  var names = nameList.join(", ");
  if (isCurrent) names = "*$names";

  var nameWidget = room.hasUnread
      ? highLight1(
          widget.app,
          context,
          names,
        )
      : text(
          widget.app,
          context,
          names,
        );

  int amountOfAvatars = 0;
  List<Widget> widgets = [];
  if (room.otherMembersRoomInfo.length > 1) {
    widgets.add(const Icon(Icons.group));
    amountOfAvatars = 1;
  } else {
    for (int i = 0; i < room.otherMembersRoomInfo.length; i++) {
      var avatar = room.otherMembersRoomInfo[i].avatar;
      if (avatar != null) {
        widgets.add(FadeInImage.memoryNetwork(
          height: 10,
          placeholder: kTransparentImage,
          image: avatar,
        ));
        amountOfAvatars++;
      } else {
        widgets.add(const Icon(Icons.person));
      }
    }
  }

  const double photoSize = 50;
  const double spacing = 1;

  Widget staggeredPhotos;
  if (amountOfAvatars >= 1) {
    var sqrtValue = sqrt(amountOfAvatars);
    var maxCrossAxisExtend = (photoSize - (sqrtValue - 1)) / sqrtValue;
    staggeredPhotos = GridView.extent(
        maxCrossAxisExtent: maxCrossAxisExtend,
        padding: const EdgeInsets.all(0),
        mainAxisSpacing: spacing,
        crossAxisSpacing: spacing,
        physics: const ScrollPhysics(),
        // to disable GridView's scrolling
        shrinkWrap: true,
        children: widgets);
  } else {
    staggeredPhotos = const Icon(Icons.error);
  }

  var theTime = formatHHMM(timestampRoom);
  return ListTile(
      onTap: () async {
        selectRoom(context, room.roomModel);
      },
      trailing: text(widget.app, context, theTime),
      leading: SizedBox(
        height: photoSize,
        width: photoSize,
        child: staggeredPhotos,
      ),
      title: nameWidget);
}