Class NoteResizing

apps/client/src/code/pages/page/notes/resizing.ts:10–254

import type { PageNote } from './note';

export class NoteResizing {
  readonly page: Page;

  side!: NoteSide;
  section!: NoteSection | null;

  constructor(input: { page: Page }) {
    this.page = input.page;
  }

  async start(
    event: PointerEvent,
    note: PageNote,
    side: NoteSide,
    section?: NoteSection,
  ) {
    if (this.page.react.readOnly) {
      return;
    }

    this.side = side;
    this.section = section ?? null;

    this.page.activeElem.set(note);

    for (const selectedNote of this.page.selection.react.notes) {
      const worldRect = selectedNote.getWorldRect('note-frame');

      if (worldRect == null) {
        continue;
      }

      let resizeRect;

      if (this.section != null && note.react.collab[this.section].enabled) {
        const sectionRect = note.getWorldRect(`note-${this.section}-section`);

        if (sectionRect == null) {
          continue;
        }

        resizeRect = new Rect(
          new Vec2(worldRect.topLeft.x, sectionRect.topLeft.y),
          new Vec2(worldRect.bottomRight.x, sectionRect.bottomRight.y),
        );
      } else {
        resizeRect = worldRect;
      }

      selectedNote.react.resizing = {
        oldWorldRect: new Rect(worldRect),
        newWorldRect: new Rect(worldRect),

        section,

        oldResizeRect: new Rect(resizeRect),
        newResizeRect: new Rect(resizeRect),
      };