From 8fa754dafb0e9817b25ebea748dbb223195a8668 Mon Sep 17 00:00:00 2001
From: Ellet <ellet@freshplatform.net>
Date: Thu, 20 Jun 2024 23:50:18 +0300
Subject: [PATCH] fix(editor): implement editor shortcut action for home and
 end keys to fix exception about unimplemented ScrollToDocumentBoundaryIntent

---
 .../raw_editor/raw_editor_actions.dart        | 32 +++++++++++++++++++
 .../widgets/raw_editor/raw_editor_state.dart  | 15 ++++++++-
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/lib/src/widgets/raw_editor/raw_editor_actions.dart b/lib/src/widgets/raw_editor/raw_editor_actions.dart
index 80774d20..e57dd228 100644
--- a/lib/src/widgets/raw_editor/raw_editor_actions.dart
+++ b/lib/src/widgets/raw_editor/raw_editor_actions.dart
@@ -577,3 +577,35 @@ class QuillEditorInsertEmbedIntent extends Intent {
 
   final Attribute type;
 }
+
+class QuillEditorUpdateCursorLocationAction
+    extends ContextAction<ScrollToDocumentBoundaryIntent> {
+  QuillEditorUpdateCursorLocationAction(this.state);
+
+  final QuillRawEditorState state;
+
+  @override
+  Object? invoke(ScrollToDocumentBoundaryIntent intent,
+      [BuildContext? context]) {
+    if (intent.forward) {
+      return Actions.invoke(
+        context!,
+        UpdateSelectionIntent(
+          state.textEditingValue,
+          TextSelection.collapsed(
+            offset: state.controller.plainTextEditingValue.text.length,
+          ),
+          SelectionChangedCause.keyboard,
+        ),
+      );
+    }
+    return Actions.invoke(
+      context!,
+      UpdateSelectionIntent(
+        state.textEditingValue,
+        const TextSelection.collapsed(offset: 0),
+        SelectionChangedCause.keyboard,
+      ),
+    );
+  }
+}
diff --git a/lib/src/widgets/raw_editor/raw_editor_state.dart b/lib/src/widgets/raw_editor/raw_editor_state.dart
index 6f146b8f..ccea2632 100644
--- a/lib/src/widgets/raw_editor/raw_editor_state.dart
+++ b/lib/src/widgets/raw_editor/raw_editor_state.dart
@@ -701,6 +701,18 @@ class QuillRawEditorState extends EditorState
               control: !isDesktopMacOS,
               meta: isDesktopMacOS,
             ): const OpenSearchIntent(),
+
+            // Navigate to the start or end of the document
+            SingleActivator(
+              LogicalKeyboardKey.home,
+              control: !isDesktopMacOS,
+              meta: isDesktopMacOS,
+            ): const ScrollToDocumentBoundaryIntent(forward: false),
+            SingleActivator(
+              LogicalKeyboardKey.end,
+              control: !isDesktopMacOS,
+              meta: isDesktopMacOS,
+            ): const ScrollToDocumentBoundaryIntent(forward: true),
           }, {
             ...?widget.configurations.customShortcuts
           }),
@@ -1674,7 +1686,8 @@ class QuillRawEditorState extends EditorState
     IndentSelectionIntent: _indentSelectionAction,
     QuillEditorApplyHeaderIntent: _applyHeaderAction,
     QuillEditorApplyCheckListIntent: _applyCheckListAction,
-    QuillEditorApplyLinkIntent: QuillEditorApplyLinkAction(this)
+    QuillEditorApplyLinkIntent: QuillEditorApplyLinkAction(this),
+    ScrollToDocumentBoundaryIntent: QuillEditorUpdateCursorLocationAction(this)
   };
 
   @override