flutter/GitJournal
1
0
Fork 0
mirror of https://github.com/GitJournal/GitJournal.git synced 2025-06-30 03:19:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

MarkdownEditor: Improve auto-bullet points

Browse Source 
This patch scares me quite a bit. It's taken forever, and even now we
don't add a bullet point if we edit the middle of a list.
This commit is contained in:
Vishesh Handa
2020-06-01 17:55:42 +02:00
parent 3808624655
commit 9a726ba8db
1 changed files with 18 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
lib/editors/markdown_editor.dart
View File

@ -152,7 +152,11 @@ class MarkdownEditorState extends State<MarkdownEditor> implements EditorState {
}
void _noteTextChanged() {
_insertExtraCharactersOnEnter();
try {
_insertExtraCharactersOnEnter();
} catch (e) {
print(e);
}
if (_noteModified && !widget.isNewNote) return;
var newState = !(widget.isNewNote && _textController.text.trim().isEmpty);
@ -170,12 +174,19 @@ class MarkdownEditorState extends State<MarkdownEditor> implements EditorState {
return;
}
_textLength = text.length;
if (!text.endsWith('\n')) {
var selection = _textController.selection;
if (selection.baseOffset != selection.extentOffset) {
return;
}
var prevLineStart = text.lastIndexOf('\n', text.length - 2);
var cursorPos = selection.baseOffset;
if (cursorPos != _textLength || text[cursorPos - 1] != '\n') {
return;
}
var prevLineStart = text.lastIndexOf('\n', cursorPos - 2);
prevLineStart = prevLineStart == -1 ? 0 : prevLineStart + 1;
var prevLine = text.substring(prevLineStart, text.length - 2);
var prevLine = text.substring(prevLineStart, cursorPos - 1);
var pattern = RegExp(r'^(\s*)([*\-])');
var match = pattern.firstMatch(prevLine);
@ -183,8 +194,9 @@ class MarkdownEditorState extends State<MarkdownEditor> implements EditorState {
return;
}
var indentation = match.group(1) ?? "";
_textController.text = text + indentation + match.group(2) + ' ';
var indent = match.group(1) ?? "";
_textController.text =
text.substring(0, cursorPos) + indent + match.group(2) + ' ';
_textLength = _textController.text.length;
_textController.selection = TextSelection.collapsed(offset: _textLength);
}