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use std::cell::RefCell;
use std::rc::Rc;
use scene::{ElementRef, Project};
use time::MediaTime;
use crate::command::{Command, CommandError, CommandResult};
use crate::timeline::element::move_elements::{MoveElementCommand, PlannedElementMove};
pub struct ShiftSplitRemainderCommand {
right_side: Rc<RefCell<Vec<ElementRef>>>,
new_start_time: MediaTime,
inner: Option<MoveElementCommand>,
}
impl ShiftSplitRemainderCommand {
pub fn new(right_side: Rc<RefCell<Vec<ElementRef>>>, new_start_time: MediaTime) -> Self {
Self {
right_side,
new_start_time,
inner: None,
}
}
}
impl Command for ShiftSplitRemainderCommand {
fn execute(
&mut self,
project: &mut Project,
) -> Result<Option<CommandResult>, CommandError> {
let right_side = self.right_side.borrow().clone();
if right_side.is_empty() {
return Ok(None);
}
let mut inner = MoveElementCommand::new(
right_side
.iter()
.map(|element| PlannedElementMove {
source_track_id: element.track_id.clone(),
target_track_id: element.track_id.clone(),
element_id: element.element_id.clone(),
new_start_time: self.new_start_time,
})
.collect(),
Vec::new(),
);
let result = inner.execute(project)?;
self.inner = Some(inner);
Ok(result)
}
fn undo(&mut self, project: &mut Project) {
if let Some(inner) = &mut self.inner {
inner.undo(project);
}
}
}
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