dash_chat使用及方法

/// Flex value for the messeage container defaults to 1

? /// Made so that the message container takes as much as possible

? /// if no height or width is passed explicity

? final int messageContainerFlex;

? /// Height for the Dash chat Widget

? final double height;

? // Width for the Dash chat Widget

? final double width;

? /// List of messages to display in the chat container

? /// Takes a [List] of [ChatMessage]

? final List<ChatMessage> messages;

? /// If provided, this text editing controller will be used for

? /// the text input.

? final TextEditingController textController;

? /// If provided, this focus node will be used for the text input.

? final FocusNode focusNode;

? /// Use to change the direction of the text ltr is used for

? /// launguages that start from left like English &

? /// rtl is used for languages like Arabic

? ///

? /// Defaults to `TextDirection.ltr`

? final TextDirection inputTextDirection;

? /// If provided will stop using the default controller

? /// i.e [TextEditingController] and will use this to update the

? /// text input field.

? final String text;

? /// If the text parameter is passed then onTextChange must also

? /// be passed.

? final Function(String) onTextChange;

? /// Used to provide input decoration to the text as default only

? /// to the input placeholder for the chat input

? /// "Add Message here...".

? final InputDecoration inputDecoration;

? ///Configures how the platform keyboard will select an uppercase or lowercase keyboard.

? ///Only supports text keyboards, other keyboard types will ignore this configuration. Capitalization is locale-aware.

? ///Defaults to [TextCapitalization.none]. Must not be null.

? final TextCapitalization textCapitalization;

? /// Usually new message added by the user gets [Uuid] String

? /// Can be override by proving this parameter

? final String Function() messageIdGenerator;

? /// The current user object [ChatUser].

? final ChatUser user;

? /// To function where you can make api calls and play

? /// with the [ChatMessage] obeject before make calls.

? final Function(ChatMessage) onSend;

? /// Should the send button be always active it defaults to false

? /// Usually it will only become active if some text is entered.

? final bool alwaysShowSend;

? /// [DateFormat] object for formatting date to show in [MessageListView]

? /// defaults to `HH:mm:ss`.

? final DateFormat dateFormat;

? /// [DateFormat] object for formatting time to show in [MessageContainer]

? /// defaults to `yyyy-MM-dd`.

? final DateFormat timeFormat;

? /// Should the user avatar be shown defaults to false and will not

? /// show the user avatar.

? final bool showUserAvatar;

? /// avatarBuilder will override the the default avatar which uses

? /// [CircleAvatar].

? final Widget Function(ChatUser) avatarBuilder;

? /// Should the avatar be shown for every message defaulst to false.

? final bool showAvatarForEveryMessage;

? /// [onPressAvatar] function takes a function with this structure

? /// [Function(ChatUser)] will trigger when the avatar

? /// is tapped on

? final Function(ChatUser) onPressAvatar;

? /// [onLongPressAvatar] function takea a function with this structure

? /// [Function(ChatUser)] will trigger when the avatar

? /// is long pressed

? final Function(ChatUser) onLongPressAvatar;

? /// [onLongPressMessage] function takea a function with this structure

? /// [Function(ChatMessage)] will trigger when the message

? /// is long pressed.

? final Function(ChatMessage) onLongPressMessage;

? /// Should the messages be shown in reversed order.

? final bool inverted;

? /// messageBuilder will override the the default chat container which uses

? /// and you will need to build complete message Widget it will not accept

? /// and include any other builder functions.

? final Widget Function(ChatMessage) messageBuilder;

? /// messageTextBuilder will override the the default message text.

? final Widget Function(String) messageTextBuilder;

? /// messageImageBuilder will override the the default Image.

? final Widget Function(String url) messageImageBuilder;

? /// messageTimeBuilder will override the the default text.

? final Widget Function(String url) messageTimeBuilder;

? /// dateBuilder will override the the default time text.

? final Widget Function(String) dateBuilder;

? /// A Widget that will be shown below the [MessageListView] like you can

? /// show a "tying..." at the end.

? final Widget Function() chatFooterBuilder;

? /// Main input length of the input text box defaulst to no limit.

? final int maxInputLength;

? /// Used to parse text to make it linkified text uses

? /// [flutter_parsed_text](https://pub.dev/packages/flutter_parsed_text)

? /// takes a list of [MatchText] in order to parse Email, phone, links

? /// and can also add custom pattersn using regex

? final List<MatchText> parsePatterns;

? /// Provides a custom style to the message container

? /// takes [BoxDecoration]

? final BoxDecoration messageContainerDecoration;

? /// [List] of [Widget] to show before the [TextField].

? final List<Widget> leading;

? /// [List] of [Widget] to show after the [TextField].will remove the

? /// send button and will have to implement that yourself.

? final List<Widget> trailing;

? /// sendButtonBuilder will override the the default [IconButton].

? final Widget Function(Function) sendButtonBuilder;

? /// Style for the [TextField].

? final TextStyle inputTextStyle;

? /// [TextField] container style.

? final BoxDecoration inputContainerStyle;

? /// Max length of the input lines default to 1.

? final int inputMaxLines;

? /// Should the input cursor be shown defaults to true.

? final bool showInputCursor;

? /// Width of the text input defaults to 2.0.

? final double inputCursorWidth;

? /// Color of the input cursor defaults to theme.

? final Color inputCursorColor;

? /// ScrollController for the [MessageListView] will use the default

? /// scrollcontroller in the Widget.

? final ScrollController scrollController;

? /// A Widget that will be shown below the [ChatInputToolbar] like you can

? /// show a list of buttons like file image just like in Slack app.

? final Widget Function() inputFooterBuilder;

? /// Padding for the [MessageListView].

? final EdgeInsetsGeometry messageContainerPadding;

? /// Callback method when the quickReply was tapped on

? /// will pass [Reply] as a paramter to function.

? final Function(Reply) onQuickReply;

? /// Container style for the QuickReply Container [BoxDecoration].

? final BoxDecoration quickReplyStyle;

? /// [TextStyle] for QuickReply textstyle.

? final TextStyle quickReplyTextStyle;

? /// quickReplyBuilder will override the the default QuickReply Widget.

? final Widget Function(Reply) quickReplyBuilder;

? /// Should the [trailling] Widgets be shown before the send button

? /// As default it will be shown before the send button.

? final bool showTraillingBeforeSend;

? /// Should the scroll to bottom widget be shown

? /// default to true.

? final bool scrollToBottom;

? /// Overrides the default [scrollToBottomWidget] with a custom widget

? final Widget Function() scrollToBottomWidget;

? /// Override the default behaviour of the onScrollToBottom Widget

? final Function onScrollToBottomPress;

? /// Should the LoadEarlier Floating widget be shown or use

? /// load as you scroll scheme whcih will call the [onLoadEarlier]

? /// function as default it is set to this scheme which is false.

? /// false - load as you scroll scheme

? /// true - shows a loadEarlier Widget

? final bool shouldShowLoadEarlier;