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fix for #12 #13

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merged 1 commit into from
Apr 7, 2020
Merged

fix for #12 #13

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114 changes: 61 additions & 53 deletions lib/src/message_input.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -56,12 +56,13 @@ import 'stream_channel.dart';
/// The widget renders the ui based on the first ancestor of type [StreamChatTheme].
/// Modify it to change the widget appearance.
class MessageInput extends StatefulWidget {
MessageInput({
Key key,
this.onMessageSent,
this.parentMessage,
this.editMessage,
}) : super(key: key);
MessageInput(
{Key key,
this.onMessageSent,
this.parentMessage,
this.editMessage,
this.maxHeight = 150})
: super(key: key);

/// Message to edit
final Message editMessage;
Expand All @@ -72,6 +73,9 @@ class MessageInput extends StatefulWidget {
/// Parent message in case of a thread
final Message parentMessage;

/// Maximum Height for the TextField to grow before it starts scrolling
final double maxHeight;

@override
_MessageInputState createState() => _MessageInputState();
}
Expand Down Expand Up @@ -111,6 +115,7 @@ class _MessageInputState extends State<MessageInput> {
Flex _buildTextField(BuildContext context) {
return Flex(
direction: Axis.horizontal,
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
_buildAttachmentButton(),
_buildTextInput(context),
Expand All @@ -133,54 +138,57 @@ class _MessageInputState extends State<MessageInput> {

Expanded _buildTextInput(BuildContext context) {
return Expanded(
child: TextField(
key: Key('messageInputText'),
minLines: null,
maxLines: null,
onSubmitted: (_) {
_sendMessage(context);
},
controller: _textController,
focusNode: _focusNode,
onChanged: (s) {
StreamChannel.of(context).channel.keyStroke();

setState(() {
_messageIsPresent = s.trim().isNotEmpty;
});

_commandsOverlay?.remove();
_commandsOverlay = null;
_mentionsOverlay?.remove();
_mentionsOverlay = null;

if (s.startsWith('/')) {
_commandsOverlay = _buildCommandsOverlayEntry();
Overlay.of(context).insert(_commandsOverlay);
}
child: LimitedBox(
maxHeight: widget.maxHeight,
child: TextField(
key: Key('messageInputText'),
minLines: null,
maxLines: null,
onSubmitted: (_) {
_sendMessage(context);
},
controller: _textController,
focusNode: _focusNode,
onChanged: (s) {
StreamChannel.of(context).channel.keyStroke();

if (_textController.selection.isCollapsed &&
(s[_textController.selection.start - 1] == '@' ||
_textController.text
.substring(0, _textController.selection.start)
.split(' ')
.last
.contains('@'))) {
_mentionsOverlay = _buildMentionsOverlayEntry();
Overlay.of(context).insert(_mentionsOverlay);
}
},
onTap: () {
setState(() {
_typingStarted = true;
});
},
style: Theme.of(context).textTheme.body1,
autofocus: false,
decoration: InputDecoration(
hintText: 'Write a message',
prefixText: ' ',
border: InputBorder.none,
setState(() {
_messageIsPresent = s.trim().isNotEmpty;
});

_commandsOverlay?.remove();
_commandsOverlay = null;
_mentionsOverlay?.remove();
_mentionsOverlay = null;

if (s.startsWith('/')) {
_commandsOverlay = _buildCommandsOverlayEntry();
Overlay.of(context).insert(_commandsOverlay);
}

if (_textController.selection.isCollapsed &&
(s[_textController.selection.start - 1] == '@' ||
_textController.text
.substring(0, _textController.selection.start)
.split(' ')
.last
.contains('@'))) {
_mentionsOverlay = _buildMentionsOverlayEntry();
Overlay.of(context).insert(_mentionsOverlay);
}
},
onTap: () {
setState(() {
_typingStarted = true;
});
},
style: Theme.of(context).textTheme.body1,
autofocus: false,
decoration: InputDecoration(
hintText: 'Write a message',
prefixText: ' ',
border: InputBorder.none,
),
),
),
);
Expand Down