ChatWidget class

A StatefulWidget that provides a complete chat UI.

It manages the underlying ChatService, displays messages using ChatBubble, and provides a text input field for sending messages.

Inheritance

Constructors

ChatWidget.new({Key? key, required String domain, required String chatbotId, ChatTheme? theme, void onMessageSent(String message)?, void onResponseReceived(String response)?, void onCitationsReceived(List<Map<String, dynamic>> citations)?, void onThreadIdReceived(String threadId)?, void onError(dynamic error)?, List<ChatMessage>? initialMessages, String? inputPlaceholder, IconData? sendButtonIcon, bool showTimestamps = false, bool useThemeOverride = false, bool showCitations = false, bool isEnabled = true})
const

Properties

chatbotId String
The specific Chatbot ID to connect to.
final
domain String
Domain for the chat API backend.
final
hashCode int
The hash code for this object.
no setterinherited
initialMessages List<ChatMessage>?
A list of messages to display initially when the widget loads.
final
inputPlaceholder String?
Placeholder text displayed in the message input field.
final
isEnabled bool
Flag to enable/disable the entire chat widget functionality. If disabled, input is blocked, and initialization might not occur.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onCitationsReceived → void Function(List<Map<String, dynamic>> citations)?
Callback for when citations are received (optional).
final
onError → void Function(dynamic error)?
Callback invoked when any error occurs during initialization or message handling.
final
onMessageSent → void Function(String message)?
Callback invoked when the user successfully sends a message.
final
onResponseReceived → void Function(String response)?
Callback invoked when a complete response (content part) is received. Note: The UI updates reactively; this is for external logic if needed.
final
onThreadIdReceived → void Function(String threadId)?
Callback for when a new thread ID is received (optional).
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
sendButtonIcon IconData?
Custom icon for the send button. Defaults to Icons.send.
final
showCitations bool
Flag to control the visibility of citations within the chat bubbles.
final
showTimestamps bool
Whether to display timestamps next to each message bubble.
final
theme ChatTheme?
Theme configuration for customizing the chat appearance. Merged with the application's theme by default.
final
useThemeOverride bool
If true, forces the use of the provided theme exclusively, ignoring the application's ThemeData. Defaults to false.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<ChatWidget>
Creates the mutable state for this widget at a given location in the tree.
override
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object.
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited