History

longcipher_leptos_components::components::editor

Struct History 

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pub struct History { /* private fields */ }
Available on crate feature editor only.
Expand description

Manages undo/redo history for the editor.

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impl History

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pub fn new() -> Self

Create a new history manager.

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pub fn with_config(config: HistoryConfig) -> Self

Create with custom configuration.

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pub fn push(&mut self, content: String, cursors: CursorSet)

Record a new state in history.

This will clear the redo stack and potentially coalesce with the previous entry if the edit happened within the coalesce window.

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pub fn push_checkpoint(&mut self, content: String, cursors: CursorSet)

Record a state without coalescing (for explicit save points).

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pub fn undo( &mut self, current_content: &str, current_cursors: &CursorSet, ) -> Option<HistoryEntry>

Undo the last change.

Returns the previous state if available.

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pub fn redo( &mut self, current_content: &str, current_cursors: &CursorSet, ) -> Option<HistoryEntry>

Redo the last undone change.

Returns the next state if available.

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pub fn can_undo(&self) -> bool

Check if undo is available.

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pub fn can_redo(&self) -> bool

Check if redo is available.

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pub fn clear(&mut self)

Clear all history.

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pub fn undo_count(&self) -> usize

Get the number of undo entries.

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pub fn redo_count(&self) -> usize

Get the number of redo entries.

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pub fn begin_undo(&mut self)

Mark that we’re in the middle of an undo/redo operation.

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pub fn end_undo(&mut self)

Mark that the undo/redo operation is complete.

Trait Implementations§

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impl Clone for History

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fn clone(&self) -> History

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for History

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for History

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fn default() -> History

Returns the “default value” for a type. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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impl<E, T, Encoding, Request> IntoReq<Patch<Encoding>, Request, E> for T
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Attempts to serialize the arguments into an HTTP request.
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impl<E, T, Encoding, Request> IntoReq<Post<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

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Attempts to serialize the arguments into an HTTP request.
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impl<E, T, Encoding, Request> IntoReq<Put<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

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Attempts to serialize the arguments into an HTTP request.
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impl<E, Response, Encoding, T> IntoRes<Patch<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

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async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.
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impl<E, Response, Encoding, T> IntoRes<Post<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

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async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.
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impl<E, Response, Encoding, T> IntoRes<Put<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

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