Xiaohan-Tian
57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
import { KGCore } from '../core/KGCore';
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import { useProjectStore } from '../stores/projectStore';
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import { KGMidiRegion } from '../core/region/KGMidiRegion';
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import { KGTrack } from '../core/track/KGTrack';
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import { KGMidiNote } from '../core/midi/KGMidiNote';
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/**
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* Select all notes in the active region if the piano roll is visible.
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* Logs the count and region id on success.
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* Returns true if selection was performed; false otherwise.
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*/
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export const selectAllNotesInActiveRegion = (): boolean => {
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const { showPianoRoll, activeRegionId, updateTrack } = useProjectStore.getState();
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if (!showPianoRoll || !activeRegionId) {
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return false;
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}
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try {
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const core = KGCore.instance();
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const project = core.getCurrentProject();
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const tracks = project.getTracks();
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let parentTrack: KGTrack | null = null;
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let activeRegion: KGMidiRegion | null = null;
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for (const track of tracks) {
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const region = track.getRegions().find(r => r.getId() === activeRegionId);
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if (region && region instanceof KGMidiRegion) {
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parentTrack = track as KGTrack;
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activeRegion = region as KGMidiRegion;
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break;
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}
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}
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if (!activeRegion || !parentTrack) {
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return false;
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}
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// Clear previous selection and select all notes in the region
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core.clearSelectedItems();
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const notes: KGMidiNote[] = activeRegion.getNotes();
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notes.forEach((n: KGMidiNote) => n.select());
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core.addSelectedItems(notes);
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// Update track to persist selection state in model/UI
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updateTrack(parentTrack);
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console.log(`Selected all notes: count=${notes.length}, regionId=${activeRegionId}`);
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return true;
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} catch (error) {
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console.error('Select all notes failed:', error);
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return false;
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}
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};
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