Steffen Becker
0da75ed456
Renames the product in the docs, the page title and the DOCX creator, and moves the whole storage namespace from odf-editor- to edentext-. The prefix is a per-origin namespace, so it stays the product name rather than a generic one.
70 lines
2.7 KiB
TypeScript
70 lines
2.7 KiB
TypeScript
import { PX_PER_CM } from './pageMargins';
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import type { Orientation } from './pageOrientation';
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export type PageFormat =
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| 'A3' | 'A4' | 'A5' | 'A6'
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| 'isoB4' | 'isoB5' | 'isoB6'
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| 'jisB4' | 'jisB5'
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| 'letter' | 'legal' | 'tabloid' | 'executive' | 'folio' | 'statement';
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const KEY = 'edentext-page-format';
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// Portrait page dimensions in cm per format (width < height). Landscape swaps them.
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// Grouped A / ISO-B / JIS-B / US, matching the Word/LibreOffice paper menus.
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export const PAGE_FORMAT_CM: Record<PageFormat, { w: number; h: number }> = {
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A3: { w: 29.7, h: 42 },
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A4: { w: 21, h: 29.7 },
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A5: { w: 14.8, h: 21 },
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A6: { w: 10.5, h: 14.8 },
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isoB4: { w: 25, h: 35.3 },
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isoB5: { w: 17.6, h: 25 },
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isoB6: { w: 12.5, h: 17.6 },
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jisB4: { w: 25.7, h: 36.4 },
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jisB5: { w: 18.2, h: 25.7 },
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letter: { w: 21.59, h: 27.94 },
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legal: { w: 21.59, h: 35.56 },
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tabloid: { w: 27.94, h: 43.18 },
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executive: { w: 18.415, h: 26.67 },
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folio: { w: 21.59, h: 33.02 },
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statement: { w: 13.97, h: 21.59 },
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};
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const FORMATS = Object.keys(PAGE_FORMAT_CM) as PageFormat[];
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export function loadPageFormat(): PageFormat {
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const raw = localStorage.getItem(KEY);
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return (raw && (FORMATS as string[]).includes(raw)) ? (raw as PageFormat) : 'A4';
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}
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export function savePageFormat(f: PageFormat): void {
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localStorage.setItem(KEY, f);
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}
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// Page box (cm) for a format + orientation; landscape swaps width/height.
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export function pageDimsCm(format: PageFormat, orientation: Orientation): { w: number; h: number } {
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const { w, h } = PAGE_FORMAT_CM[format];
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return orientation === 'landscape' ? { w: h, h: w } : { w, h };
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}
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// Sets --user-page-{width,height} (px) on the document root, where they inherit
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// down to .paper / .tiptap (see editor.css) and are read per layout pass by
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// pageBreaks.ts. Supersedes applyOrientationVars, which only knew A4.
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export function applyPageSizeVars(format: PageFormat, orientation: Orientation): void {
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const { w, h } = pageDimsCm(format, orientation);
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const root = document.documentElement.style;
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root.setProperty('--user-page-width', `${w * PX_PER_CM}px`);
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root.setProperty('--user-page-height', `${h * PX_PER_CM}px`);
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}
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// Match a page's dimensions (cm, any orientation) to a known format, within a
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// tolerance for producer rounding; null when nothing fits. Used by the importers.
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export function formatFromCm(wCm: number, hCm: number, tolCm = 0.2): PageFormat | null {
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const w = Math.min(wCm, hCm);
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const h = Math.max(wCm, hCm);
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for (const f of FORMATS) {
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const dims = PAGE_FORMAT_CM[f];
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if (Math.abs(dims.w - w) <= tolCm && Math.abs(dims.h - h) <= tolCm) return f;
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}
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return null;
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}
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