blob: 5312000fe74873812858d14dd0ececa87592cae8 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
import { Command } from "@/lib/commands/base-command";
import type { TimelineTrack } from "@/types/timeline";
import { EditorCore } from "@/core";
export class UpdateElementStartTimeCommand extends Command {
private savedState: TimelineTrack[] | null = null;
constructor(
private elements: { trackId: string; elementId: string }[],
private startTime: number,
) {
super();
}
execute(): void {
const editor = EditorCore.getInstance();
this.savedState = editor.timeline.getTracks();
const updatedTracks = this.savedState.map((track) => {
const hasElementsToUpdate = this.elements.some(
(el) => el.trackId === track.id,
);
if (!hasElementsToUpdate) {
return track;
}
const newElements = track.elements.map((element) => {
const shouldUpdate = this.elements.some(
(el) => el.elementId === element.id && el.trackId === track.id,
);
return shouldUpdate
? { ...element, startTime: Math.max(0, this.startTime) }
: element;
});
return { ...track, elements: newElements } as typeof track;
});
editor.timeline.updateTracks(updatedTracks);
}
undo(): void {
if (this.savedState) {
const editor = EditorCore.getInstance();
editor.timeline.updateTracks(this.savedState);
}
}
}
|
