first pass of merging in warp (doesn't build)

crates/editor/src/model.rs

@@ -5,24 +5,24 @@ use galaxyui::{
 };
 use itertools::{Either, Itertools};
 use line_ending::LineEnding;
-use vec1::{Vec1, vec1};
-
-use crate::{
-    content::{
-        anchor::Anchor,
-        buffer::{
-            AutoScrollBehavior, Buffer, BufferEditAction, BufferSelectAction, EditOrigin,
-            InitialBufferState, SelectionOffsets, ShouldAutoscroll, ToBufferCharOffset,
-        },
-        selection_model::BufferSelectionModel,
-        text::{BlockType, BufferBlockItem, BufferBlockStyle, CodeBlockType, TextStyles},
-        version::BufferVersion,
-    },
-    render::model::RenderState,
-    selection::{SelectionMode, SelectionModel, TextDirection, TextUnit},
-};
-use galaxyui::elements::ListIndentLevel;
 use string_offset::{ByteOffset, CharOffset};
+use vec1::{Vec1, vec1};
+use galaxyui_core::clipboard::ClipboardContent;
+use galaxyui_core::elements::ListIndentLevel;
+use galaxyui_core::{AppContext, Entity, ModelAsRef, ModelContext, ModelHandle};
+
+use crate::content::anchor::Anchor;
+use crate::content::buffer::{
+    AutoScrollBehavior, Buffer, BufferEditAction, BufferSelectAction, EditOrigin,
+    InitialBufferState, SelectionOffsets, ShouldAutoscroll, ToBufferCharOffset,
+};
+use crate::content::selection_model::BufferSelectionModel;
+use crate::content::text::{
+    BlockType, BufferBlockItem, BufferBlockStyle, CodeBlockType, TextStyles,
+};
+use crate::content::version::BufferVersion;
+use crate::render::model::RenderState;
+use crate::selection::{SelectionMode, SelectionModel, TextDirection, TextUnit};
 
 /// A wrapper for a buffer that provides access to its internal update_content method.
 /// It's important this is only returned from `CoreEditorModel::update_content` method
@@ -917,10 +917,29 @@ pub trait RichTextEditorModel: CoreEditorModel {
         self.validate(ctx);
     }
 
+    fn reset_with_ipynb(&mut self, ipynb: &str, ctx: &mut ModelContext<Self::T>) {
+        let state = InitialBufferState::ipynb(ipynb);
+
+        self.update_content(
+            |mut content, ctx| {
+                content.buffer().reset_undo_stack();
+                content.apply_edit(
+                    BufferEditAction::ReplaceWith(state),
+                    EditOrigin::SystemEdit,
+                    self.buffer_selection_model().clone(),
+                    ctx,
+                );
+            },
+            ctx,
+        );
+        self.validate(ctx);
+    }
+
     fn update_to_new_markdown(&mut self, markdown: &str, ctx: &mut ModelContext<Self::T>) {
-        use crate::content::buffer::StyledBlockBoundaryBehavior;
         use markdown_parser::{compute_formatted_text_delta, parse_markdown};
 
+        use crate::content::buffer::StyledBlockBoundaryBehavior;
+
         // Try to obtain the current formatted-text view from the buffer and
         // compute both the `FormattedText` delta and the common prefix length in
         // characters between the old and new markdown.