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import type { EditorCore } from "@/core";
import type { SelectedKeyframeRef } from "@/lib/animation/types";
import type { ElementRef } from "@/lib/timeline/types";
export class SelectionManager {
private selectedElements: ElementRef[] = [];
private selectedKeyframes: SelectedKeyframeRef[] = [];
private keyframeSelectionAnchor: SelectedKeyframeRef | null = null;
private listeners = new Set<() => void>();
constructor(editor: EditorCore) {
void editor;
}
getSelectedElements(): ElementRef[] {
return this.selectedElements;
}
getSelectedKeyframes(): SelectedKeyframeRef[] {
return this.selectedKeyframes;
}
getKeyframeSelectionAnchor(): SelectedKeyframeRef | null {
return this.keyframeSelectionAnchor;
}
setSelectedElements({ elements }: { elements: ElementRef[] }): void {
this.selectedElements = elements;
this.selectedKeyframes = [];
this.keyframeSelectionAnchor = null;
this.notify();
}
setSelectedKeyframes({
keyframes,
anchorKeyframe,
}: {
keyframes: SelectedKeyframeRef[];
anchorKeyframe?: SelectedKeyframeRef | null;
}): void {
this.selectedKeyframes = keyframes;
if (anchorKeyframe !== undefined) {
this.keyframeSelectionAnchor = anchorKeyframe;
} else if (keyframes.length === 0) {
this.keyframeSelectionAnchor = null;
}
this.notify();
}
clearSelection(): void {
this.selectedElements = [];
this.selectedKeyframes = [];
this.keyframeSelectionAnchor = null;
this.notify();
}
clearKeyframeSelection(): void {
this.selectedKeyframes = [];
this.keyframeSelectionAnchor = null;
this.notify();
}
subscribe(listener: () => void): () => void {
this.listeners.add(listener);
return () => this.listeners.delete(listener);
}
private notify(): void {
this.listeners.forEach((fn) => {
fn();
});
}
}
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