Steffen Becker
bc8f8d89d1
The body said "Start typing…" in every language while the header and footer zones were localized; switching the language now redraws it.
1814 lines
83 KiB
Svelte
1814 lines
83 KiB
Svelte
<script lang="ts">
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import { onMount, onDestroy, untrack } from 'svelte';
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import { Editor } from '@tiptap/core';
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import { Slice, Fragment } from 'prosemirror-model';
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import type { Node as PmNode, MarkType } from 'prosemirror-model';
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import { extensions } from '../editor/extensions';
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import { buildContextMenu, type MenuEntry, type SpellSection } from '../editor/contextMenuItems';
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import { spellErrorAt } from '../editor/extensions/spellCheck';
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import { spellController } from '../spell/controller';
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import { isInTable, selectedRect } from '@tiptap/pm/tables';
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import { currentCellFormat, currentCellFormula, currentCellName, guessFormula } from '../editor/extensions/tableFormula';
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import type { CellFormat } from '../utils/cellFormat';
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import type { ChapterStart } from '../utils/chapterField';
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import TableToolbar from './TableToolbar.svelte';
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import TableSplitDialog from './TableSplitDialog.svelte';
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import TableSortDialog from './TableSortDialog.svelte';
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import TableFormulaDialog from './TableFormulaDialog.svelte';
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import ImageToolbar from './ImageToolbar.svelte';
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import TextBoxToolbar from './TextBoxToolbar.svelte';
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import type { WrapMode } from '../editor/extensions/image';
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import { findTextBox, type ShapeKind } from '../editor/extensions/textBox';
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import { NodeSelection, TextSelection } from '@tiptap/pm/state';
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import { EditorView } from '@tiptap/pm/view';
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import ContextMenu from './ContextMenu.svelte';
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import HeaderFooterLayer from './HeaderFooterLayer.svelte';
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import PageDecorLayer from './PageDecorLayer.svelte';
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import PageSheetLayer from './PageSheetLayer.svelte';
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import LineNumberLayer from './LineNumberLayer.svelte';
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import FoldMarkLayer from './FoldMarkLayer.svelte';
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import ChangeBarLayer from './ChangeBarLayer.svelte';
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import ReviewMarginLayer, { REVIEW_MARGIN_CM } from './ReviewMarginLayer.svelte';
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import { visibleComments, visibleRevisions } from './reviewItems';
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import { changesInMargin, commentsInMargin, markupView } from '../storage/markup.svelte';
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import { DEFAULT_LINE_NUMBERING, type LineNumbering } from '../storage/lineNumbering';
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import { EMPTY_PAGE_DECOR, type PageDecor } from '../storage/pageDecor';
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import Ruler from './Ruler.svelte';
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import { saveDocument, loadDocument, markDocumentLoaded } from '../storage/autosave';
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import { applyMarginVars, cmToPx, PX_PER_CM, DEFAULT_MARGINS, type PageMargins } from '../storage/pageMargins';
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import { DEFAULT_TAB_INTERVAL_CM } from '../storage/tabInterval';
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import { type Orientation } from '../storage/pageOrientation';
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import { type SpacingModel } from '../storage/spacingModel';
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import { NO_LANGUAGE } from '../storage/documentLanguage';
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import { DEFAULT_PAGE_NUMBERING, isLeftPage, printedPageNumber, type PageNumbering } from '../storage/pageNumbering';
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import { applyNoteVars } from '../storage/noteSettings';
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import { noteSettings } from '../storage/notes.svelte';
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import { RESYNC_NOTES } from '../editor/extensions/notes';
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import { applyPageSizeVars, pageDimsCm, type PageFormat } from '../storage/pageFormat';
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import { MAX_PAGE_COLUMNS } from '../storage/theme';
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import { DEFAULT_HF_DISTANCES, HF_ZONE_KEYS, hfIsEmpty, hfUsesChapterField, type HfDoc, type HfZone, type HfDistances, type HfSet, type HfZoneKey } from '../storage/headerFooter';
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import { FORCE_PAGE_RECALC, PAGE_GAP, pageOfElement, readVerticalMargins, topInEditor, type TableBreakBand } from '../editor/extensions/pageBreaks';
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import { findBookmark } from '../editor/extensions/bookmark';
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import { recordTransaction, resetHistoryLog } from '../utils/historyLog.svelte';
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import { fitPagesZoom, wheelZoomFactor } from '../utils/zoom';
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import { styleCss, singleLineHeight } from '../styles/styleSheet';
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import { styleSheet } from '../styles/sheet.svelte';
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import { t } from '../i18n/i18n.svelte';
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import { withShortcut } from '../i18n/shortcut';
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import '../../styles/editor.css';
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let {
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editor = $bindable(), tick = $bindable(0), currentPage = $bindable(1), numPages = $bindable(1),
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zoom = 100, onZoom, showFormattingMarks = false, showRuler = true, splitView = false, pageColumns = 1, pageMargins = DEFAULT_MARGINS, orientation = 'portrait',
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pageFormat = 'A4', tabIntervalCm = DEFAULT_TAB_INTERVAL_CM, spacingModel = 'add', spacingAtPageStart = true, documentEpoch = 0, pageRtl = false, hyphenate = false, documentLanguage = 'en', pageNumbering = DEFAULT_PAGE_NUMBERING, pageDecor = EMPTY_PAGE_DECOR, lineNumbering = DEFAULT_LINE_NUMBERING, foldMarks = false, commentAuthor = '',
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headerDoc = $bindable(null), footerDoc = $bindable(null), hfDistances = DEFAULT_HF_DISTANCES,
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headerFirstDoc = $bindable(null), footerFirstDoc = $bindable(null), differentFirstPage = false,
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headerEvenDoc = $bindable(null), footerEvenDoc = $bindable(null), differentOddEven = false,
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hfEditor = $bindable(null), hfActive = $bindable(null), hfTick = $bindable(0),
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extraHfSections = $bindable([]),
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}: {
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editor: Editor | null; tick: number; currentPage: number; numPages: number; zoom: number;
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onZoom?: (zoom: number) => void;
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showFormattingMarks?: boolean; showRuler?: boolean; pageMargins?: PageMargins; orientation?: Orientation; pageFormat?: PageFormat; tabIntervalCm?: number; spacingModel?: SpacingModel; spacingAtPageStart?: boolean;
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/** Two panes onto this document, scrolled on their own (Word's View ▸ Split). */
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splitView?: boolean;
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/** How many pages sit side by side (LibreOffice's View layout ▸ Columns); 1 = off. */
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pageColumns?: number;
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/** Bumped by App for each document it opens; re-arms the settle gate. */
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documentEpoch?: number;
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/** A right-to-left page: the body's base direction, so its columns fill from the right. */
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pageRtl?: boolean;
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/** Comments and changes as balloons beside the page, and the author a new one takes. */
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commentAuthor?: string;
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/** Automatic hyphenation; the browser needs the document language to pick its patterns. */
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hyphenate?: boolean; documentLanguage?: string;
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/** How the page-number field counts (format + start value). */
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pageNumbering?: PageNumbering;
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/** Page background, page border and watermark. */
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pageDecor?: PageDecor;
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/** Numbers in the left margin, one per rendered line. */
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lineNumbering?: LineNumbering;
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/** Fold + punch marks in the left margin (DIN 5008 letter sheets). */
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foldMarks?: boolean;
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headerDoc?: HfDoc; footerDoc?: HfDoc; hfDistances?: HfDistances;
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headerFirstDoc?: HfDoc; footerFirstDoc?: HfDoc; differentFirstPage?: boolean;
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headerEvenDoc?: HfDoc; footerEvenDoc?: HfDoc; differentOddEven?: boolean;
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hfEditor?: Editor | null; hfActive?: HfZone | null; hfTick?: number;
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extraHfSections?: HfSet[];
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} = $props();
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// Page each section after the first starts on (pageBreaks reports it); the layer
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// turns it into a per-page set.
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let sectionStartPages = $state<number[]>([]);
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// Where each heading starts, for the running head's chapter field. Only collected
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// when a zone actually shows one — it costs a layout read per heading.
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let chapterStarts = $state<ChapterStart[]>([]);
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let wantsChapters = $derived(hfUsesChapterField([
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{ header: headerDoc, footer: footerDoc, headerFirst: headerFirstDoc, footerFirst: footerFirstDoc,
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differentFirstPage, headerEven: headerEvenDoc, footerEven: footerEvenDoc, differentOddEven },
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...extraHfSections,
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]));
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function collectChapterStarts(): ChapterStart[] {
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if (!editor || editor.isDestroyed) return [];
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const vm = readVerticalMargins(editor.view.dom as HTMLElement);
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const out: ChapterStart[] = [];
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editor.state.doc.descendants((node, pos) => {
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if (node.type.name !== 'heading') return;
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const text = node.textContent.trim();
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const el = editor!.view.nodeDOM(pos) as HTMLElement | null;
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if (!text || !el || el.nodeType !== 1) return;
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const top = topInEditor(editor!.view, el);
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const page = vm.grid.pageAt(top);
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// Nothing above the heading on its page (within half a line): the page's running
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// head counts it, a heading below other content only counts from the next page.
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const atTop = top - (vm.grid.topOf(page) + vm.top) < 10;
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out.push({ page, level: (node.attrs.level as number) ?? 1, text, atTop });
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});
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return out;
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}
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// Pagination refreshes the starts; inserting a chapter field into a zone isn't a
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// pagination event, so collect them as soon as a zone asks for them.
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$effect(() => {
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chapterStarts = wantsChapters ? collectChapterStarts() : [];
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});
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// The page border wraps the header/footer band too (both word processors draw it
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// so), starting at the zone's edge distance wherever any section has a zone.
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let decorHfInsets = $derived({
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headerCm: [headerDoc, headerFirstDoc, headerEvenDoc,
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...extraHfSections.flatMap((s) => [s.header, s.headerFirst, s.headerEven])]
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.some((d) => d && !hfIsEmpty(d)) ? (hfDistances ?? DEFAULT_HF_DISTANCES).header : null,
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footerCm: [footerDoc, footerFirstDoc, footerEvenDoc,
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...extraHfSections.flatMap((s) => [s.footer, s.footerFirst, s.footerEven])]
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.some((d) => d && !hfIsEmpty(d)) ? (hfDistances ?? DEFAULT_HF_DISTANCES).footer : null,
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});
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// Apply the page margins + orientation to the :root CSS vars (visual padding,
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// page dimensions, and pagination all read these). DOM-only, safe in effects.
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$effect(() => {
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applyMarginVars(pageMargins);
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});
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$effect(() => {
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applyPageSizeVars(pageFormat, orientation);
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});
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// A header/footer that reaches past the body's margin (its distance from the edge plus
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// its line count) pushes the body's content area in so text doesn't overlap it: the
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// margin grows to fit the zone. ~18.4px = one 12pt line.
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const HF_LINE_PX = 16 * 1.15;
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// Rendered zone heights from HeaderFooterLayer, in HF_ZONE_KEYS order per section.
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let hfZoneHeights = $state<number[][]>([]);
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const zoneHeightPx = (section: number, key: HfZoneKey): number =>
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hfZoneHeights[section]?.[HF_ZONE_KEYS.indexOf(key)] ?? 0;
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function hfReachPx(doc: HfDoc, distPx: number, footer = false, measuredPx = 0): number {
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if (!doc || hfIsEmpty(doc)) return 0;
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type Run = { type?: string; attrs?: { height?: number; wrap?: string }; marks?: { type?: string; attrs?: { fontSize?: string; fontFamily?: string } }[] };
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const para = doc.content?.[0] as { content?: Run[]; attrs?: { spaceBefore?: number; spaceAfter?: number; fontSize?: string; fontFamily?: string } } | undefined;
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const inline = para?.content ?? [];
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// A line is its font's own natural height: the zone's biggest run sizes its lines and
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// LibreOffice grows the band to hold them where fo:min-height is smaller (probed).
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// The body default only stands in for a run that declares no size of its own.
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const line = (size?: string, family?: string) =>
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size ? (parseFloat(size) * 96) / 72 * singleLineHeight(family) : HF_LINE_PX;
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// The paragraph mark is the strut every run that declares no size of its own takes.
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const base = line(para?.attrs?.fontSize, para?.attrs?.fontFamily);
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let linePx = base;
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for (const n of inline) {
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if (n.type === 'image') continue;
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const ts = n.marks?.find((m) => m.type === 'textStyle')?.attrs;
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linePx = Math.max(linePx, ts?.fontSize ? line(ts.fontSize, ts.fontFamily) : base);
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}
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// Per line, since an as-character image (a letterhead logo) makes its own line
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// as tall as it is; the others are one text line each. A positioned frame is out
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// of flow — a page-sized background would otherwise reserve the whole page.
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let total = 0;
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let image = 0;
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for (const n of inline) {
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if (n.type === 'hardBreak') { total += Math.max(linePx, image); image = 0; }
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else if (n.type === 'image' && typeof n.attrs?.height === 'number' && (n.attrs.wrap ?? 'inline') === 'inline') image = Math.max(image, n.attrs.height);
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}
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// A footer is laid out from the page edge up, so its space above rides the band too;
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// a header's space below is part of the band the body starts under.
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const spacing = footer ? ((para?.attrs?.spaceBefore ?? 0) * 96) / 72 : 0;
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// The measured band wins where there is one: the estimate below cannot see a line
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// that wraps, and it only ever grows a line past the 12pt default. It carries the
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// paragraph's space above already (HeaderFooterLayer measures with it).
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if (measuredPx > 0) return distPx + measuredPx;
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return distPx + spacing + total + Math.max(linePx, image);
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}
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let footerDistPx = $derived(cmToPx((hfDistances ?? DEFAULT_HF_DISTANCES).footer));
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let headerDistPx = $derived(cmToPx((hfDistances ?? DEFAULT_HF_DISTANCES).header));
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let mBottomPx = $derived(cmToPx(pageMargins.bottom));
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let mTopPx = $derived(cmToPx(pageMargins.top));
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// Effective top/bottom margins (px) pageBreaks reads to keep content clear of the
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// header/footer: "first" = page 1's own zone, "rest" = every page ≥ 2 with the even
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// variant folded in (max), since one --pb-content-*-rest covers all of them.
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let evenTopReach = $derived(differentOddEven ? hfReachPx(headerEvenDoc ?? null, headerDistPx, false, zoneHeightPx(0, 'headerEven')) : 0);
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let evenBottomReach = $derived(differentOddEven ? hfReachPx(footerEvenDoc ?? null, footerDistPx, true, zoneHeightPx(0, 'footerEven')) : 0);
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let effTopRest = $derived(Math.max(mTopPx, hfReachPx(headerDoc ?? null, headerDistPx, false, zoneHeightPx(0, 'header')), evenTopReach));
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let effTopFirst = $derived(Math.max(mTopPx, differentFirstPage
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? hfReachPx(headerFirstDoc ?? null, headerDistPx, false, zoneHeightPx(0, 'headerFirst'))
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: hfReachPx(headerDoc ?? null, headerDistPx, false, zoneHeightPx(0, 'header'))));
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let effBottomRest = $derived(Math.max(mBottomPx, hfReachPx(footerDoc ?? null, footerDistPx, true, zoneHeightPx(0, 'footer')), evenBottomReach));
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let effBottomFirst = $derived(Math.max(mBottomPx, differentFirstPage
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? hfReachPx(footerFirstDoc ?? null, footerDistPx, true, zoneHeightPx(0, 'footerFirst'))
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: hfReachPx(footerDoc ?? null, footerDistPx, true, zoneHeightPx(0, 'footer'))));
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// Per-section reaches for pageBreaks: "topFirst|topRest|bottomFirst|bottomRest" in px,
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// one group per section, comma-separated. Section 1 repeats the four vars below; a
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// section with page margins of its own measures against those (`marginsFirst` = page 1).
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let sectionReach = $derived([
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[effTopFirst, effTopRest, effBottomFirst, effBottomRest],
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...extraHfSections.map((s, i) => {
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const rest = s.margins ?? null;
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const first = s.marginsFirst ?? rest;
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const topOf = (m: PageMargins | null) => (m ? cmToPx(m.top) : mTopPx);
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const bottomOf = (m: PageMargins | null) => (m ? cmToPx(m.bottom) : mBottomPx);
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// A section's zones sit at its own edge distance where its page setup gives it one.
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const restD = s.distances ?? null;
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const firstD = s.distancesFirst ?? restD;
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const hDist = (d: HfDistances | null) => (d ? cmToPx(d.header) : headerDistPx);
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const fDist = (d: HfDistances | null) => (d ? cmToPx(d.footer) : footerDistPx);
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const reach = (key: HfZoneKey, dist: number, footer = false) =>
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hfReachPx(s[key] ?? null, dist, footer, zoneHeightPx(i + 1, key));
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return [
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Math.max(topOf(first), reach(s.differentFirstPage ? 'headerFirst' : 'header', hDist(firstD))),
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Math.max(topOf(rest), reach('header', hDist(restD)), s.differentOddEven ? reach('headerEven', hDist(restD)) : 0),
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Math.max(bottomOf(first), reach(s.differentFirstPage ? 'footerFirst' : 'footer', fDist(firstD), true)),
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Math.max(bottomOf(rest), reach('footer', fDist(restD), true), s.differentOddEven ? reach('footerEven', fDist(restD), true) : 0),
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];
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}),
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].map((g) => g.map((n) => Math.round(n)).join('|')).join(','));
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// Each section's own paper (px). A section that names neither format nor orientation
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// is on the document's, so its entry is the document's box. Unrounded: this is the
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// grid pageBreaks places against, and half a pixel per page accumulates down the document.
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let sectionPaper = $derived([
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pageDimsCm(pageFormat, orientation),
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...extraHfSections.map((s) => pageDimsCm(s.format ?? pageFormat, s.orientation ?? orientation)),
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].map((d) => ({ w: d.w * PX_PER_CM, h: d.h * PX_PER_CM })));
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// The sheet .paper reserves is the widest of them: a landscape section is wider than
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// the portrait ones around it and would otherwise be cut at the page edge.
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let paperWidth = $derived(Math.max(...sectionPaper.map((p) => p.w)));
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// Which section each page belongs to (sectionStartPages holds the first page of every
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// section past the first), and from it the box every per-page layer paints.
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let pageBoxes = $derived.by(() => {
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const out: { top: number; left: number; height: number; width: number; section: number }[] = [];
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let top = 0;
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let section = 0;
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for (let p = 1; p <= Math.max(1, numPages); p++) {
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while (section < sectionStartPages.length && sectionStartPages[section] <= p) section++;
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const paper = sectionPaper[Math.min(section, sectionPaper.length - 1)];
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// A page narrower than the reserved sheet is centred in it, as both word
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// processors centre each page of a document whose sections differ.
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out.push({ top, left: Math.round((paperWidth - paper.w) / 2), height: paper.h, width: paper.w, section });
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top += paper.h + PAGE_GAP;
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}
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return out;
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});
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// What one grid cell is worth in document px, across and down. Sections of differing
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// paper make the later pages differ; the grid is laid out on the first page's, and
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// each cell then places its own page box inside its box.
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let firstCycle = $derived((pageBoxes[0]?.height ?? 1123) + PAGE_GAP);
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let pageStride = $derived(paperWidth + PAGE_GAP);
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// The same per section for the side margins, as a delta against the document's own:
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// .tiptap's padding draws those for every page, so a section that wants others has
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// its blocks inset by the difference ("leftFirst|rightFirst|leftRest|rightRest").
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// A section narrower than the sheet (.paper reserves the widest paper) splits the
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// difference between its sides, so its text sits on the centred page it belongs to.
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let sectionInset = $derived.by(() => {
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const half = (i: number) => Math.round((paperWidth - (sectionPaper[i]?.w ?? paperWidth)) / 2);
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return [
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[half(0), half(0), half(0), half(0)],
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...extraHfSections.map((s, i) => {
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const rest = s.margins ?? null;
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const first = s.marginsFirst ?? rest;
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const d = (m: PageMargins | null, side: 'left' | 'right') =>
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m ? Math.round(cmToPx(m[side]) - cmToPx(pageMargins[side])) : 0;
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const narrow = half(i + 1);
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return [d(first, 'left') + narrow, d(first, 'right') + narrow, d(rest, 'left') + narrow, d(rest, 'right') + narrow];
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}),
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].map((g) => g.join('|')).join(',');
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});
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// How far an even page's blocks move right, per section and per first/rest page: the
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// pair a mirrored section swaps. A section whose own margins mirror nothing — a cover
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// between mirrored pages — contributes 0, as does its first page where that differs.
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let sectionMirror = $derived([
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[pageMargins, pageMargins],
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...extraHfSections.map((s) => [s.marginsFirst ?? s.margins ?? pageMargins, s.margins ?? pageMargins]),
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].map((g) => g.map((m) => (m.mirrored ? Math.round(cmToPx(m.right) - cmToPx(m.left)) : 0)).join('|')).join(','));
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// Where numbering restarts, per section — section 0 is the document's own start.
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// A section that counts on carries `x`; the break plugin needs it to tell which
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// side a page is, and that follows the number, not the sheet.
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let sectionNumStarts = $derived([pageNumbering.start,
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...extraHfSections.map((s) => s.pageNumberStart ?? 'x')].join(','));
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// The side each section must open on ('x' = wherever it falls): a blank page goes
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// before one whose flow would open it on the other.
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let sectionStartsOn = $derived(['x',
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...extraHfSections.map((s) => (s.startsOn === 'odd' ? 'o' : s.startsOn === 'even' ? 'e' : 'x'))].join(','));
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|
|
// The number a page shows, and from it its side: a left page is an even-numbered one.
|
|
let printedNumberAt = $derived.by(() => {
|
|
const starts = [pageNumbering.start, ...extraHfSections.map((s) => s.pageNumberStart ?? null)];
|
|
const firstPage = (i: number) => (i === 0 ? 1 : sectionStartPages[i - 1] ?? 1);
|
|
return (page: number) => printedPageNumber(page, pageBoxes[page - 1]?.section ?? 0, starts, firstPage);
|
|
});
|
|
let leftPageAt = $derived((page: number) => isLeftPage(printedNumberAt(page)));
|
|
|
|
$effect(() => {
|
|
const s = document.documentElement.style;
|
|
s.setProperty('--pb-section-numstart', sectionNumStarts);
|
|
s.setProperty('--pb-section-startson', sectionStartsOn);
|
|
s.setProperty('--pb-section-inset', sectionInset);
|
|
s.setProperty('--pb-space-at-page-start', spacingAtPageStart ? '1' : '0');
|
|
s.setProperty('--pb-section-mirror', sectionMirror);
|
|
s.setProperty('--pb-section-page', sectionPaper.map((p) => p.h).join(','));
|
|
s.setProperty('--pb-paper-width', `${paperWidth}px`);
|
|
// The grid the last pass laid out, as "fromPage|height" runs, so every consumer
|
|
// resolves a page number against the same one pageBreaks placed against.
|
|
s.setProperty('--pb-page-runs', sectionStartPages
|
|
.map((page, i) => `${page}|${sectionPaper[Math.min(i + 1, sectionPaper.length - 1)].h}`)
|
|
.join(','));
|
|
s.setProperty('--pb-content-top-rest', `${effTopRest}px`);
|
|
s.setProperty('--pb-content-top-first', `${effTopFirst}px`);
|
|
s.setProperty('--pb-content-bottom-rest', `${effBottomRest}px`);
|
|
s.setProperty('--pb-content-bottom-first', `${effBottomFirst}px`);
|
|
s.setProperty('--pb-section-reach', sectionReach);
|
|
});
|
|
|
|
// Nudge the pageBreaks plugin to recompute with the new content area. The dispatch
|
|
// bumps the tick/numPages bindings, so requestAnimationFrame defers it past the
|
|
// Svelte effect flush (re-entering it would trip effect_update_depth_exceeded).
|
|
let marginRecalcRaf = 0;
|
|
$effect(() => {
|
|
// track each margin + orientation + format so the effect re-runs on any change
|
|
void (pageMargins.top + pageMargins.bottom + pageMargins.left + pageMargins.right);
|
|
void orientation;
|
|
void pageFormat;
|
|
// …the tab grid, which changes where a tab lands and so where a line breaks…
|
|
void tabIntervalCm;
|
|
// …and how the space between two blocks is measured.
|
|
void spacingModel;
|
|
// …and the header/footer-driven effective margins, so growing a zone re-paginates.
|
|
void (effTopRest + effTopFirst + effBottomRest + effBottomFirst);
|
|
void sectionReach;
|
|
void sectionInset;
|
|
const ed = editor;
|
|
if (!ed) return;
|
|
cancelAnimationFrame(marginRecalcRaf);
|
|
marginRecalcRaf = requestAnimationFrame(() => {
|
|
ed.view.dispatch(
|
|
ed.state.tr.setMeta('addToHistory', false).setMeta(FORCE_PAGE_RECALC, true),
|
|
);
|
|
});
|
|
});
|
|
|
|
// Toggling formatting marks flips the .paper class but doesn't touch the doc, so the
|
|
// pageBreaks plugin wouldn't re-run. The ¶/·/→ marks are zero-footprint, but force a
|
|
// recalc anyway so page positions can never be left stale by a sub-pixel platform delta.
|
|
let marksRecalcRaf = 0;
|
|
$effect(() => {
|
|
void showFormattingMarks;
|
|
const ed = editor;
|
|
if (!ed) return;
|
|
cancelAnimationFrame(marksRecalcRaf);
|
|
marksRecalcRaf = requestAnimationFrame(() => {
|
|
ed.view.dispatch(
|
|
ed.state.tr.setMeta('addToHistory', false).setMeta(FORCE_PAGE_RECALC, true),
|
|
);
|
|
});
|
|
});
|
|
|
|
// The document stylesheet: the named paragraph styles rendered as CSS rules in one
|
|
// element that is rewritten whenever a style changes. Appended at runtime, so it also
|
|
// wins over editor.css on equal specificity.
|
|
let styleEl: HTMLStyleElement | null = null;
|
|
let styleRecalcRaf = 0;
|
|
$effect(() => {
|
|
const css = styleCss(styleSheet());
|
|
if (!styleEl) {
|
|
styleEl = document.createElement('style');
|
|
styleEl.id = 'document-styles';
|
|
document.head.appendChild(styleEl);
|
|
}
|
|
styleEl.textContent = css;
|
|
const ed = editor;
|
|
if (!ed) return;
|
|
// Type sizes/margins changed under the layout, so page positions must be re-measured.
|
|
cancelAnimationFrame(styleRecalcRaf);
|
|
styleRecalcRaf = requestAnimationFrame(() => {
|
|
// A table style's fill/borders live in cell attrs, so an edited registry has to be
|
|
// painted into the document — this effect is the choke point every change passes.
|
|
ed.commands.refreshTableStyles();
|
|
ed.view.dispatch(ed.state.tr.setMeta('addToHistory', false).setMeta(FORCE_PAGE_RECALC, true));
|
|
});
|
|
});
|
|
|
|
// The separator's own band is part of the space pagination reserves for a page's
|
|
// notes, so a change to it has to re-measure — and the line is drawn from the same
|
|
// custom properties.
|
|
$effect(() => {
|
|
applyNoteVars(noteSettings());
|
|
const ed = editor;
|
|
if (!ed) return;
|
|
requestAnimationFrame(() => {
|
|
if (ed.view.dom.isConnected) {
|
|
// The numbering follows the settings too, and nothing about them is a
|
|
// document change the sync pass would otherwise see.
|
|
ed.view.dispatch(ed.state.tr
|
|
.setMeta('addToHistory', false)
|
|
.setMeta(RESYNC_NOTES, true)
|
|
.setMeta(FORCE_PAGE_RECALC, true));
|
|
}
|
|
});
|
|
});
|
|
|
|
// The display mode takes text off the page (a deletion, or an insertion in the
|
|
// original view), so the page positions under it are stale.
|
|
let markup = $derived(markupView());
|
|
$effect(() => {
|
|
markup;
|
|
const ed = editor;
|
|
if (!ed) return;
|
|
requestAnimationFrame(() => {
|
|
if (ed.view.dom.isConnected) {
|
|
ed.view.dispatch(ed.state.tr.setMeta('addToHistory', false).setMeta(FORCE_PAGE_RECALC, true));
|
|
}
|
|
});
|
|
});
|
|
|
|
// Bundled fonts (Liberation Serif, Carlito, …) load with font-display:swap, so text
|
|
// can reflow after pagination first runs (e.g. imported content in a not-yet-loaded
|
|
// font). Re-paginate when fonts finish so page positions and the HF band settle.
|
|
function repaginateOnFontLoad() {
|
|
if (!editor || !editor.view.dom.isConnected) return;
|
|
editor.view.dispatch(
|
|
editor.state.tr.setMeta('addToHistory', false).setMeta(FORCE_PAGE_RECALC, true),
|
|
);
|
|
}
|
|
|
|
// One entry per pane: [0] is the editor's own view, the rest are extra views of the
|
|
// same state. Every coordinate below is read against the pane the user is working in.
|
|
let hosts = $state<HTMLDivElement[]>([]);
|
|
let scrollers = $state<HTMLDivElement[]>([]);
|
|
let papers = $state<HTMLDivElement[]>([]);
|
|
let activePane = $state(0);
|
|
let paneViews = $state<(EditorView | null)[]>([]);
|
|
// The split stacks two panes with their own scroll; the page grid lays a pane per
|
|
// grid cell in one scroller. Only one of the two layouts is on.
|
|
let gridCols = $derived(splitView ? 1 : Math.min(MAX_PAGE_COLUMNS, Math.max(1, pageColumns)));
|
|
let multiPage = $derived(gridCols > 1);
|
|
// Two rows of cells: a scroll shows the foot of one row above the head of the next,
|
|
// and the pair is recycled as it passes, so no view is built for a row off screen.
|
|
let paneCount = $derived(multiPage ? gridCols * 2 : splitView ? 2 : 1);
|
|
let extraPanes = $derived(Array.from({ length: paneCount - 1 }, (_, k) => k + 1));
|
|
// One scroller for the whole grid, so every floating layer keeps measuring against
|
|
// the one scroll space it is positioned in.
|
|
const paneScroller = () => scrollers[multiPage ? 0 : activePane] ?? scrollers[0];
|
|
const viewOf = (pane: number): EditorView | null =>
|
|
(pane === 0 ? editor?.view : paneViews[pane]) ?? null;
|
|
const paneView = (): EditorView | null => viewOf(activePane) ?? editor?.view ?? null;
|
|
|
|
// Zoom is a CSS `transform: scale()` on .paper (so layout and pagination stay at
|
|
// 100%). A transform reserves no layout space, so .paper-scaler reserves the scaled
|
|
// footprint to drive the scrollbars and horizontal centering.
|
|
let docHeightDoc = $state(0); // document height, from pm-pagecount
|
|
let scaledWidth = $state(0);
|
|
let scaledHeight = $state(0);
|
|
|
|
// The balloon strip is only reserved where there is something to put in it, so a
|
|
// document without review markup keeps the page centred exactly as before.
|
|
let hasReviewMarkup = $derived.by(() => {
|
|
if (tick < 0 || !editor) return false;
|
|
const doc = editor.state.doc;
|
|
return (changesInMargin() && visibleRevisions(doc).length > 0)
|
|
|| (commentsInMargin() && visibleComments(doc).some((c) => !c.resolved));
|
|
});
|
|
let reviewArea = $derived(hasReviewMarkup ? cmToPx(REVIEW_MARGIN_CM) : 0);
|
|
|
|
function recomputeScaledSize() {
|
|
const paper = papers[0];
|
|
if (!paper) return;
|
|
const z = appliedZoom / 100;
|
|
const w = paper.offsetWidth; // unscaled page width (= --user-page-width)
|
|
const h = docHeightDoc || paper.offsetHeight; // unscaled document height
|
|
scaledWidth = Math.round(w * z);
|
|
scaledHeight = Math.round(h * z);
|
|
}
|
|
|
|
// Page cycle (page height + 20px gap) in document px. Format/orientation-dependent,
|
|
// so read live from --user-page-height (set by applyPageSizeVars). Must match
|
|
// pageBreaks.ts. Fallback = A4 portrait (1123 + 20).
|
|
function getCycle(): number {
|
|
const ph = parseFloat(getComputedStyle(document.documentElement).getPropertyValue('--user-page-height'));
|
|
return (Number.isFinite(ph) ? ph : 1123) + 20;
|
|
}
|
|
|
|
// --- Right-click context menu (text menu, spelling suggestions merged in) ---
|
|
let ctxMenu = $state<{ top: number; left: number; items: MenuEntry[] } | null>(null);
|
|
// The misspelled range the open menu's suggestions belong to.
|
|
let spellTarget: { from: number; to: number; word: string } | null = null;
|
|
|
|
function openContextMenu(event: MouseEvent, pane: number) {
|
|
const ed = editor;
|
|
activePane = pane;
|
|
const container = paneScroller();
|
|
// Shift+right-click yields to the browser menu, whose Paste needs no clipboard
|
|
// permission (Firefox does this for page handlers by itself). Header/footer keeps
|
|
// the browser menu too — the schema has none of the entries below.
|
|
if (!ed || event.shiftKey || hfActive || !container) return;
|
|
const view = paneView();
|
|
const target = event.target as HTMLElement | null;
|
|
if (!view || !target || !view.dom.contains(target)) return;
|
|
if (target.closest('.image-node, .textbox-node')) return; // own floating toolbars
|
|
event.preventDefault();
|
|
|
|
const coords = view.posAtCoords({ left: event.clientX, top: event.clientY });
|
|
const sel = view.state.selection;
|
|
// A selection the click lands inside is kept, otherwise the caret moves.
|
|
if (coords && (sel.empty || coords.pos < sel.from || coords.pos > sel.to)) {
|
|
view.dispatch(view.state.tr.setSelection(TextSelection.near(view.state.doc.resolve(coords.pos))));
|
|
}
|
|
|
|
spellTarget = null;
|
|
let spell: SpellSection | undefined;
|
|
const range = coords && spellController.isEnabled() ? spellErrorAt(view.state, coords.pos) : null;
|
|
if (range) {
|
|
const word = view.state.doc.textBetween(range.from, range.to);
|
|
spellTarget = { ...range, word };
|
|
spell = {
|
|
suggestions: spellController.suggest(word).slice(0, 6),
|
|
onReplace: replaceSpellWord,
|
|
onAdd: addSpellWord,
|
|
onIgnore: ignoreSpellWord,
|
|
};
|
|
}
|
|
|
|
const cRect = container.getBoundingClientRect();
|
|
ctxMenu = {
|
|
top: event.clientY - cRect.top + container.scrollTop,
|
|
left: event.clientX - cRect.left + container.scrollLeft,
|
|
items: buildContextMenu(ed, { spell }),
|
|
};
|
|
}
|
|
|
|
// Replace the misspelled range, preserving the word's marks (font/bold/etc.).
|
|
function replaceSpellWord(replacement: string) {
|
|
const ed = editor;
|
|
if (!ed || !spellTarget) return;
|
|
const { from, to } = spellTarget;
|
|
const { state } = ed.view;
|
|
const marks = state.doc.resolve(from).marksAcross(state.doc.resolve(to)) ?? state.doc.resolve(from).marks();
|
|
ed.view.dispatch(state.tr.replaceWith(from, to, state.schema.text(replacement, marks)).scrollIntoView());
|
|
ed.view.focus();
|
|
}
|
|
|
|
function addSpellWord() {
|
|
if (spellTarget) spellController.addWord(spellTarget.word);
|
|
editor?.view.focus();
|
|
}
|
|
|
|
function ignoreSpellWord() {
|
|
if (spellTarget) spellController.ignoreWord(spellTarget.word);
|
|
editor?.view.focus();
|
|
}
|
|
|
|
// --- Link hover hint (Word/LibreOffice style) ---
|
|
// Hovering a link shows its URL + a modifier-click hint; the link only follows on
|
|
// Ctrl/Cmd+click (handleClick in editorProps), so a plain click can edit the text.
|
|
let linkTip = $state<{ top: number; left: number; href: string; pane: number } | null>(null);
|
|
|
|
function showLinkTip(a: HTMLAnchorElement, container: HTMLElement, pane: number) {
|
|
const href = a.getAttribute('href');
|
|
if (!href) return;
|
|
const aRect = a.getBoundingClientRect();
|
|
const cRect = container.getBoundingClientRect();
|
|
linkTip = {
|
|
top: aRect.top - cRect.top + container.scrollTop,
|
|
left: aRect.left - cRect.left + container.scrollLeft,
|
|
href,
|
|
pane,
|
|
};
|
|
}
|
|
|
|
function onEditorPointerOver(e: MouseEvent, pane: number) {
|
|
const container = scrollers[pane];
|
|
const a = (e.target as HTMLElement | null)?.closest?.('a[href]') as HTMLAnchorElement | null;
|
|
if (a && container?.contains(a)) showLinkTip(a, container, pane);
|
|
}
|
|
|
|
function onEditorPointerOut(e: MouseEvent) {
|
|
const a = (e.target as HTMLElement | null)?.closest?.('a[href]') as HTMLAnchorElement | null;
|
|
if (!a) return;
|
|
const to = e.relatedTarget as Node | null;
|
|
if (to && a.contains(to)) return; // moving within the same link
|
|
linkTip = null;
|
|
}
|
|
|
|
// --- Floating table-editing toolbar ---
|
|
// Shown when the selection is inside a table; positioned just above that table.
|
|
let tableUi = $state<{ visible: boolean; top: number; left: number; bottom: number }>({ visible: false, top: 0, left: 0, bottom: 0 });
|
|
let tableUiRaf = 0;
|
|
// The popover the table toolbar has open, in its place. One at a time.
|
|
let tableDialog = $state<'split' | 'sort' | 'formula' | null>(null);
|
|
// What the sort and formula popovers open on: the grid around the cursor's cell.
|
|
const NO_TABLE = { columns: 1, column: 0, headerRow: false, cell: null as string | null, formula: '=SUM(ABOVE)', format: null as CellFormat | null };
|
|
let tableGrid = $derived.by(() => {
|
|
const state = editor?.state;
|
|
if (tick < 0 || !state || !isInTable(state)) return NO_TABLE;
|
|
const rect = selectedRect(state);
|
|
return {
|
|
columns: rect.map.width,
|
|
column: rect.left,
|
|
headerRow: rect.table.firstChild?.firstChild?.type.name === 'tableHeader'
|
|
|| rect.table.attrs.repeatHeader === true,
|
|
cell: currentCellName(state),
|
|
formula: currentCellFormula(state) || guessFormula(state),
|
|
format: currentCellFormat(state),
|
|
};
|
|
});
|
|
// Drop the dialog if the selection leaves the table (toolbar hidden).
|
|
$effect(() => {
|
|
if (!tableUi.visible && tableDialog) tableDialog = null;
|
|
});
|
|
// A dialog hangs above the table like the toolbar, so a table near the top of the
|
|
// scroller puts it outside the scroll area, where the overflow clips it. The
|
|
// container's padding is what the toolbar island overlays, so clear that too.
|
|
let tableDialogH = $state(0);
|
|
let tableDialogTop = $derived.by(() => {
|
|
const c = scrollers[activePane];
|
|
if (!c || !tableDialogH) return tableUi.top;
|
|
const pad = parseFloat(getComputedStyle(c).paddingTop) || 0;
|
|
const clamped = c.scrollTop + pad + tableDialogH + 6;
|
|
if (clamped <= tableUi.top) return tableUi.top;
|
|
// No room above: flip below the table when that stays in view (the +dialogH+12
|
|
// cancels the hang-above transform); else the clamp, covering the table.
|
|
if (tableUi.bottom + 6 + tableDialogH <= c.scrollTop + c.clientHeight)
|
|
return tableUi.bottom + tableDialogH + 12;
|
|
return clamped;
|
|
});
|
|
|
|
// The DOM element of the table containing the current selection, or null.
|
|
// nodeDOM(before(table)) returns the wrapper div the table node view renders.
|
|
function activeTableDOM(ed: Editor, view: EditorView): HTMLElement | null {
|
|
const resolved = ed.state.selection.$from;
|
|
for (let d = resolved.depth; d > 0; d--) {
|
|
if (resolved.node(d).type.name === 'table') {
|
|
try {
|
|
const dom = view.nodeDOM(resolved.before(d));
|
|
return dom instanceof HTMLElement ? dom : null;
|
|
} catch {
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function recomputeTableUi() {
|
|
const ed = editor;
|
|
const container = paneScroller();
|
|
const view = paneView();
|
|
if (!ed || !container || !view) {
|
|
if (tableUi.visible) tableUi = { ...tableUi, visible: false };
|
|
return;
|
|
}
|
|
const dom = activeTableDOM(ed, view);
|
|
if (!dom) {
|
|
if (tableUi.visible) tableUi = { ...tableUi, visible: false };
|
|
return;
|
|
}
|
|
// Position in the editor container's content space: viewport delta + scroll.
|
|
// getBoundingClientRect and scrollTop share the same zoom scale, so this stays
|
|
// aligned across zoom; the toolbar is a non-zoomed sibling, rendered constant-size.
|
|
const tRect = dom.getBoundingClientRect();
|
|
const cRect = container.getBoundingClientRect();
|
|
const left = tRect.left - cRect.left + container.scrollLeft;
|
|
// Default: anchor just above the table's top-left corner.
|
|
let top = tRect.top - cRect.top + container.scrollTop;
|
|
|
|
// When a table spans page breaks, keep the toolbar on the cursor's page rather
|
|
// than the table's first page. If the cursor's page differs from the table's start
|
|
// page, re-anchor to that page's content-top so the toolbar floats in its margin.
|
|
const tiptap = view.dom as HTMLElement;
|
|
if (tiptap) {
|
|
try {
|
|
const z = appliedZoom / 100;
|
|
const tiptapRect = tiptap.getBoundingClientRect();
|
|
const cycle = getCycle();
|
|
const tableTopDoc = (tRect.top - tiptapRect.top) / z;
|
|
const coords = view.coordsAtPos(ed.state.selection.head);
|
|
const cursorDoc = ((coords.top + coords.bottom) / 2 - tiptapRect.top) / z;
|
|
const tableStartPage = Math.floor(Math.max(0, tableTopDoc) / cycle);
|
|
const cursorPage = Math.floor(Math.max(0, cursorDoc) / cycle);
|
|
if (cursorPage > tableStartPage) {
|
|
const marginTopDoc =
|
|
parseFloat(getComputedStyle(document.documentElement).getPropertyValue('--user-margin-top')) || 96;
|
|
const pageContentTopDoc = cursorPage * cycle + marginTopDoc;
|
|
const tiptapTopInContainer = tiptapRect.top - cRect.top + container.scrollTop;
|
|
top = tiptapTopInContainer + pageContentTopDoc * z;
|
|
}
|
|
} catch { /* fall back to the table-top anchor */ }
|
|
}
|
|
|
|
tableUi = { visible: true, top, left, bottom: tRect.bottom - cRect.top + container.scrollTop };
|
|
}
|
|
|
|
// --- Floating image wrap toolbar ---
|
|
// Shown when a single image node is selected; positioned just above it.
|
|
let imageUi = $state<{ visible: boolean; top: number; left: number; wrap: WrapMode }>({ visible: false, top: 0, left: 0, wrap: 'inline' });
|
|
|
|
function recomputeImageUi() {
|
|
const ed = editor;
|
|
const container = paneScroller();
|
|
const view = paneView();
|
|
if (!ed || !container || !view) {
|
|
if (imageUi.visible) imageUi = { ...imageUi, visible: false };
|
|
return;
|
|
}
|
|
const sel = ed.state.selection;
|
|
const dom = sel instanceof NodeSelection && sel.node.type.name === 'image' ? view.nodeDOM(sel.from) : null;
|
|
if (!(dom instanceof HTMLElement)) {
|
|
if (imageUi.visible) imageUi = { ...imageUi, visible: false };
|
|
return;
|
|
}
|
|
const r = dom.getBoundingClientRect();
|
|
const cRect = container.getBoundingClientRect();
|
|
imageUi = {
|
|
visible: true,
|
|
top: r.top - cRect.top + container.scrollTop,
|
|
left: r.left - cRect.left + container.scrollLeft,
|
|
wrap: ((sel as NodeSelection).node.attrs.wrap as WrapMode) || 'inline',
|
|
};
|
|
}
|
|
|
|
// --- Floating text-box toolbar ---
|
|
// Shown when a text box is node-selected or the cursor is inside one; positioned
|
|
// just above it. Hidden while the image toolbar shows (an image inside a box).
|
|
let textBoxUi = $state<{
|
|
visible: boolean; top: number; left: number;
|
|
wrap: WrapMode; wrapAlign: string | null; shapeKind: ShapeKind; fillColor: string | null;
|
|
strokeColor: string | null; strokeWidthPt: number; textVertical: boolean;
|
|
}>({ visible: false, top: 0, left: 0, wrap: 'inline', wrapAlign: null, shapeKind: 'textbox', fillColor: '#FFFFFF', strokeColor: '#000000', strokeWidthPt: 1, textVertical: false });
|
|
|
|
function recomputeTextBoxUi() {
|
|
const ed = editor;
|
|
const container = paneScroller();
|
|
const view = paneView();
|
|
const found = ed && container && view && !imageUi.visible ? findTextBox(ed.state) : null;
|
|
const dom = found ? view!.nodeDOM(found.pos) : null;
|
|
if (!found || !(dom instanceof HTMLElement)) {
|
|
if (textBoxUi.visible) textBoxUi = { ...textBoxUi, visible: false };
|
|
return;
|
|
}
|
|
const r = dom.getBoundingClientRect();
|
|
const cRect = container!.getBoundingClientRect();
|
|
const a = found.node.attrs;
|
|
// Anchor above the rotate grip (it protrudes above the box) so the toolbar never
|
|
// covers it; fall back to the box top when the grip isn't rendered.
|
|
const grip = dom.querySelector('.image-rotate-handle');
|
|
const gr = grip instanceof HTMLElement ? grip.getBoundingClientRect() : null;
|
|
const anchorTop = gr && gr.height > 0 ? Math.min(r.top, gr.top) : r.top;
|
|
textBoxUi = {
|
|
visible: true,
|
|
top: anchorTop - cRect.top + container!.scrollTop,
|
|
left: r.left - cRect.left + container!.scrollLeft,
|
|
wrap: (a.wrap as WrapMode) || 'inline',
|
|
wrapAlign: (a.wrapAlign as string | null) ?? null,
|
|
shapeKind: (a.shapeKind as ShapeKind) || 'textbox',
|
|
fillColor: (a.fillColor as string | null) ?? null,
|
|
strokeColor: (a.strokeColor as string | null) ?? null,
|
|
strokeWidthPt: (a.strokeWidthPt as number) ?? 1,
|
|
textVertical: a.textVertical === true,
|
|
};
|
|
}
|
|
|
|
// Table page-break overlay: pageBreaks.ts reports (via pm-pagecount) where a continuous
|
|
// table box crosses a page boundary, each as a band in doc px. Rendered in .band-layer
|
|
// inside the scaled .paper — a mask hides borders in the margins, a stripe is the gap.
|
|
type BandStyle = { top: number; left: number; width: number; height: number };
|
|
type GapStripeStyle = { top: number; width: number; height: number; background: string };
|
|
let tableBandsDoc = $state<TableBreakBand[]>([]);
|
|
let bandStyles = $state<BandStyle[]>([]);
|
|
let gapStripeStyles = $state<GapStripeStyle[]>([]);
|
|
|
|
function recomputeBands() {
|
|
// Page width and the bands are both document px — one measurement serves both panes.
|
|
const tiptap = (editor?.view.dom ?? null) as HTMLElement | null;
|
|
if (!tiptap || tableBandsDoc.length === 0) {
|
|
if (bandStyles.length) bandStyles = [];
|
|
if (gapStripeStyles.length) gapStripeStyles = [];
|
|
return;
|
|
}
|
|
const pageWidth = tiptap.offsetWidth; // unscaled doc px = full page width
|
|
// Everything below is in document px (relative to .tiptap's top). The .band-layer
|
|
// lives inside the scaled .paper, so the transform applies the scaling — no `* z`.
|
|
const border = 1; // 1px page-edge line, like the CSS .tiptap background
|
|
// Only in-cell breaks get the white mask + close/open lines; between-rows breaks
|
|
// are capped by the rows' own cell borders, so a band there would double them.
|
|
bandStyles = tableBandsDoc.filter((b) => !b.rowBreak).map((b) => {
|
|
// The band spans the inter-page region (closeY through margin/gap/margin to the
|
|
// next content-top), where pagination guarantees no content, so the mask can't eat
|
|
// content. Matched to the table's content box (b.left/b.width) so the lines align.
|
|
return { top: b.closeY, left: b.left, width: b.width, height: b.height };
|
|
});
|
|
// Full-page-width gap stripe: the dark page gap + its two edge lines at the surface
|
|
// bottom (closeY + marginBottom). One element covers the whole gap → no seam; painted
|
|
// after the bands so it overrides their fill in the gap region.
|
|
gapStripeStyles = tableBandsDoc.map((b) => {
|
|
const gapStart = b.closeY + b.marginBottom;
|
|
return {
|
|
top: gapStart - border,
|
|
width: pageWidth,
|
|
height: b.gap + 2 * border,
|
|
background:
|
|
`linear-gradient(to bottom,`
|
|
+ ` var(--color-page-border) 0, var(--color-page-border) ${border}px,`
|
|
+ ` var(--color-bg) ${border}px, var(--color-bg) ${border + b.gap}px,`
|
|
+ ` var(--color-page-border) ${border + b.gap}px, var(--color-page-border) 100%)`,
|
|
};
|
|
});
|
|
}
|
|
|
|
// Defer to the next frame so the DOM reflects the latest transaction /
|
|
// pagination spacers before we measure (mirrors the page-break code).
|
|
function scheduleTableUi() {
|
|
cancelAnimationFrame(tableUiRaf);
|
|
tableUiRaf = requestAnimationFrame(() => {
|
|
recomputeTableUi();
|
|
recomputeImageUi();
|
|
recomputeTextBoxUi();
|
|
recomputeBands();
|
|
});
|
|
}
|
|
|
|
// Throttle the value actually written to the DOM to one update per animation frame,
|
|
// so rapid slider events don't trigger 50+ layout/paint cycles per second.
|
|
let appliedZoom = $state(untrack(() => zoom));
|
|
|
|
// The scroller's footprint holds page + strip; .paper-scaler's `margin: 0 auto` then
|
|
// centres the pair, so the page sits left of centre as it does in LibreOffice.
|
|
let scaledCanvasWidth = $derived(scaledWidth + Math.round(reviewArea * appliedZoom / 100));
|
|
|
|
let zoomRaf: number | null = null;
|
|
|
|
$effect(() => {
|
|
zoom; // track
|
|
if (zoomRaf !== null) return;
|
|
zoomRaf = requestAnimationFrame(() => {
|
|
zoomRaf = null;
|
|
appliedZoom = zoom; // pick up the latest value, not a captured snapshot
|
|
});
|
|
});
|
|
|
|
// Ctrl+wheel — a touchpad two-finger zoom fires exactly this — zooms the document
|
|
// instead of the browser. `wheel` on a plain element is non-passive, so the
|
|
// preventDefault sticks. The pointer is the zoom anchor.
|
|
function onWheel(e: WheelEvent, pane: number) {
|
|
if (!e.ctrlKey || !onZoom) return;
|
|
e.preventDefault();
|
|
pendingAnchor = { x: e.clientX, y: e.clientY, pane };
|
|
onZoom(zoom * wheelZoomFactor(e.deltaY, e.deltaMode));
|
|
}
|
|
|
|
// The point held fixed across a zoom change: the pointer for a wheel zoom, else
|
|
// (slider, buttons, keyboard) the top of the viewport. One per pane — a split view
|
|
// zooms both, and the pane the pointer is not in keeps its own top in place.
|
|
let prevZoom = -1;
|
|
let pendingAnchor: { x: number; y: number; pane: number } | null = null;
|
|
type Anchor = { x: number; y: number; screenX: number; screenY: number };
|
|
let pendingAnchorDoc: (Anchor | null)[] = [];
|
|
|
|
$effect.pre(() => {
|
|
const z = appliedZoom;
|
|
// The scaled footprint drives the horizontal centering, so it has to reach the DOM
|
|
// in the same flush as the transform — the post-effect measures against it.
|
|
// Untracked so only a zoom change runs the anchor logic (onPageCount recomputes too).
|
|
untrack(recomputeScaledSize);
|
|
const wheel = pendingAnchor;
|
|
pendingAnchor = null;
|
|
if (prevZoom < 0 || z === prevZoom) {
|
|
prevZoom = z;
|
|
return;
|
|
}
|
|
const s = prevZoom / 100;
|
|
prevZoom = z;
|
|
// The grid scrolls as one canvas, so the anchor lives in canvas space: the
|
|
// pointer for a wheel zoom, else the top of the viewport, like a single pane.
|
|
if (multiPage) {
|
|
const container = scrollers[0];
|
|
if (!container || !canvasEl) { pendingAnchorDoc = []; return; }
|
|
const editorRect = container.getBoundingClientRect();
|
|
const canvasRect = canvasEl.getBoundingClientRect();
|
|
const screenX = wheel ? wheel.x : canvasRect.left;
|
|
const screenY = wheel ? wheel.y : editorRect.top;
|
|
pendingAnchorDoc = [{
|
|
x: (screenX - canvasRect.left) / s,
|
|
y: (screenY - canvasRect.top) / s,
|
|
screenX, screenY,
|
|
}];
|
|
return;
|
|
}
|
|
pendingAnchorDoc = Array.from({ length: paneCount }, (_, i) => i).map((i) => {
|
|
const container = scrollers[i];
|
|
const paper = papers[i];
|
|
if (!container || !paper) return null;
|
|
const editorRect = container.getBoundingClientRect();
|
|
const paperRect = paper.getBoundingClientRect();
|
|
const screenX = wheel && wheel.pane === i ? wheel.x : paperRect.left;
|
|
const screenY = wheel && wheel.pane === i ? wheel.y : editorRect.top;
|
|
return {
|
|
x: (screenX - paperRect.left) / s,
|
|
y: (screenY - paperRect.top) / s,
|
|
screenX, screenY,
|
|
};
|
|
});
|
|
});
|
|
|
|
$effect(() => {
|
|
appliedZoom; // track to fire after the pre-effect / DOM update
|
|
// Zoom changes the table's rendered position — re-place the floating toolbar.
|
|
scheduleTableUi();
|
|
// Untracked: the scroll this writes comes back as a firstRow change, and an
|
|
// effect that reads what its own scroll writes never stops.
|
|
if (multiPage) {
|
|
const anchor = pendingAnchorDoc[0];
|
|
pendingAnchorDoc = [];
|
|
const container = scrollers[0];
|
|
if (anchor && container && canvasEl) {
|
|
const z = appliedZoom / 100;
|
|
const rect = canvasEl.getBoundingClientRect();
|
|
container.scrollLeft += rect.left + anchor.x * z - anchor.screenX;
|
|
container.scrollTop += rect.top + anchor.y * z - anchor.screenY;
|
|
untrack(readFirstRow);
|
|
}
|
|
return;
|
|
}
|
|
const anchors = pendingAnchorDoc;
|
|
pendingAnchorDoc = [];
|
|
const s = appliedZoom / 100;
|
|
for (const [i, anchor] of anchors.entries()) {
|
|
const container = scrollers[i];
|
|
const paper = papers[i];
|
|
if (!anchor || !container || !paper) continue;
|
|
const paperRect = paper.getBoundingClientRect();
|
|
// Without horizontal overflow .paper-scaler stays centred and the scrollLeft write
|
|
// is a no-op — the whole page is visible, so there is nothing to keep in view.
|
|
container.scrollLeft += paperRect.left + anchor.x * s - anchor.screenX;
|
|
container.scrollTop += paperRect.top + anchor.y * s - anchor.screenY;
|
|
}
|
|
});
|
|
|
|
function updateCurrentPage() {
|
|
// In the grid a view's own scroll position says nothing — the row at the top of
|
|
// the canvas is the page being read. A caret move reports its own page instead.
|
|
if (multiPage) {
|
|
currentPage = Math.max(1, Math.min(numPages, firstRow * gridCols + 1));
|
|
return;
|
|
}
|
|
const view = paneView();
|
|
const container = paneScroller();
|
|
const tiptap = (view?.dom ?? null) as HTMLElement | null;
|
|
if (!tiptap || !container) return;
|
|
|
|
const editorRect = container.getBoundingClientRect();
|
|
const tiptapRect = tiptap.getBoundingClientRect();
|
|
// getBoundingClientRect and coordsAtPos return zoomed viewport pixels;
|
|
// divide by zoom factor to convert to document coordinates before comparing with the cycle.
|
|
const zoomFactor = appliedZoom / 100;
|
|
const cycle = getCycle();
|
|
|
|
if (editor && view) {
|
|
try {
|
|
const coords = view.coordsAtPos(editor.state.selection.head);
|
|
const cursorMidY = (coords.top + coords.bottom) / 2;
|
|
if (cursorMidY >= editorRect.top && cursorMidY <= editorRect.bottom) {
|
|
const cursorInDoc = (cursorMidY - tiptapRect.top) / zoomFactor;
|
|
currentPage = Math.max(1, Math.min(numPages, Math.floor(Math.max(0, cursorInDoc) / cycle) + 1));
|
|
return;
|
|
}
|
|
} catch {
|
|
// coordsAtPos can fail during editor teardown — fall through
|
|
}
|
|
}
|
|
|
|
const visibleTopInDoc = (editorRect.top - tiptapRect.top) / zoomFactor;
|
|
currentPage = Math.max(1, Math.min(numPages, Math.floor(Math.max(0, visibleTopInDoc) / cycle) + 1));
|
|
}
|
|
|
|
function onPageCount(e: Event) {
|
|
const detail = (e as CustomEvent<{ numPages: number; docHeight?: number; tableBreakBands?: TableBreakBand[]; sectionStartPages?: number[] }>).detail;
|
|
numPages = detail.numPages;
|
|
if (typeof detail.docHeight === 'number') docHeightDoc = detail.docHeight;
|
|
tableBandsDoc = detail.tableBreakBands ?? [];
|
|
sectionStartPages = detail.sectionStartPages ?? [];
|
|
chapterStarts = wantsChapters ? collectChapterStarts() : [];
|
|
// The document height changed → resize the scaled scroll footprint.
|
|
recomputeScaledSize();
|
|
updateCurrentPage();
|
|
// Pagination spacers can shift a table's position — re-place the toolbar/bands.
|
|
scheduleTableUi();
|
|
}
|
|
|
|
function applyFontToFragment(frag: Fragment, textStyleType: MarkType, font: string): Fragment {
|
|
const nodes: PmNode[] = [];
|
|
frag.forEach((node: PmNode) => {
|
|
if (node.isText) {
|
|
const existingTS = node.marks.find(m => m.type === textStyleType);
|
|
if (existingTS?.attrs.fontFamily) {
|
|
nodes.push(node);
|
|
} else {
|
|
const newAttrs = { ...(existingTS?.attrs ?? {}), fontFamily: font };
|
|
const otherMarks = node.marks.filter(m => m.type !== textStyleType);
|
|
nodes.push(node.mark([...otherMarks, textStyleType.create(newAttrs)]));
|
|
}
|
|
} else {
|
|
nodes.push(node.copy(applyFontToFragment(node.content, textStyleType, font)));
|
|
}
|
|
});
|
|
return Fragment.fromArray(nodes);
|
|
}
|
|
|
|
// --- Image insertion (drag-drop / paste); the toolbar button lives in
|
|
// ToolbarExpanded.svelte. Shared sizing mirrors the export content-width math. ---
|
|
function imageContentBoxPx(): { maxW: number; maxH: number } {
|
|
const land = orientation === 'landscape';
|
|
const wCm = (land ? 29.7 : 21) - pageMargins.left - pageMargins.right;
|
|
const hCm = (land ? 21 : 29.7) - pageMargins.top - pageMargins.bottom;
|
|
return { maxW: Math.round(cmToPx(wCm)), maxH: Math.round(cmToPx(hCm)) };
|
|
}
|
|
|
|
function imageFilesFrom(dt: DataTransfer | null): File[] {
|
|
if (!dt) return [];
|
|
const out: File[] = [];
|
|
for (const f of Array.from(dt.files)) if (f.type.startsWith('image/')) out.push(f);
|
|
if (!out.length && dt.items) {
|
|
for (const it of Array.from(dt.items)) {
|
|
if (it.kind === 'file' && it.type.startsWith('image/')) {
|
|
const f = it.getAsFile();
|
|
if (f) out.push(f);
|
|
}
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
|
|
function insertImageFile(file: File, pos: number | null): void {
|
|
const ed = editor;
|
|
if (!ed) return;
|
|
const reader = new FileReader();
|
|
reader.onload = () => {
|
|
const src = reader.result as string;
|
|
const probe = document.createElement('img');
|
|
probe.onload = () => {
|
|
let w = probe.naturalWidth || 1;
|
|
let h = probe.naturalHeight || 1;
|
|
const { maxW, maxH } = imageContentBoxPx();
|
|
if (w > maxW) { h = (h * maxW) / w; w = maxW; }
|
|
if (h > maxH) { w = (w * maxH) / h; h = maxH; }
|
|
const attrs = { src, alt: file.name, width: Math.round(w), height: Math.round(h) };
|
|
if (pos == null) ed.chain().focus().setImage(attrs).run();
|
|
else ed.chain().focus().insertContentAt(pos, { type: 'image', attrs }).run();
|
|
};
|
|
probe.src = src;
|
|
};
|
|
reader.readAsDataURL(file);
|
|
}
|
|
|
|
// A pagination pass measures the DOM the previous one changed, so a freshly opened
|
|
// document re-flows a few times before it holds still (a columns chain the longest).
|
|
// The reader gets the page it settles on, not the search for it.
|
|
const SETTLE_CAP_MS = 1500;
|
|
let settling = $state(true);
|
|
let settleRaf = 0;
|
|
|
|
// The document height pagination derives, plus a bounded sample of block placements
|
|
// — reading all of them each frame starves the very layout this waits for on a long
|
|
// document, and a reflow that moves nothing in SETTLE_SAMPLES places moves nothing.
|
|
const SETTLE_SAMPLES = 48;
|
|
|
|
function layoutSignature(): string {
|
|
// The pane that paginates; a split pane only renders what this one settles on.
|
|
const tip = (editor?.view.dom ?? null) as HTMLElement | null;
|
|
if (!tip) return '';
|
|
const kids = tip.children;
|
|
let sig = `${tip.style.minHeight}|${kids.length}`;
|
|
const stride = Math.max(1, Math.ceil(kids.length / SETTLE_SAMPLES));
|
|
for (let i = 0; i < kids.length; i += stride) {
|
|
const child = kids[i] as HTMLElement;
|
|
sig += `|${child.offsetTop}:${child.offsetHeight}`;
|
|
}
|
|
return sig;
|
|
}
|
|
|
|
function waitForSettled(): void {
|
|
cancelAnimationFrame(settleRaf);
|
|
settling = true;
|
|
const deadline = performance.now() + SETTLE_CAP_MS;
|
|
let last = '';
|
|
let stable = 0;
|
|
const tick = () => {
|
|
const sig = layoutSignature();
|
|
stable = sig && sig === last ? stable + 1 : 0;
|
|
last = sig;
|
|
// Two repeats, so a pass that only re-dispatches decorations doesn't count.
|
|
if (stable >= 2 || performance.now() > deadline) {
|
|
settling = false;
|
|
return;
|
|
}
|
|
settleRaf = requestAnimationFrame(tick);
|
|
};
|
|
settleRaf = requestAnimationFrame(tick);
|
|
}
|
|
|
|
// Re-arms on every document the app loads (mount included), never on an edit.
|
|
$effect(() => {
|
|
documentEpoch;
|
|
waitForSettled();
|
|
});
|
|
|
|
// The placeholder is a decoration, redrawn only by a view update; the UI language
|
|
// switching is not one, so give it a push.
|
|
$effect(() => {
|
|
t();
|
|
editor?.view.updateState(editor.view.state);
|
|
});
|
|
|
|
onMount(async () => {
|
|
// Start with empty history lists — loaded content is not an undoable edit.
|
|
resetHistoryLog();
|
|
// Awaited: the document's pictures live in IndexedDB, and the editor is built
|
|
// from the whole document or the first pagination pass measures the wrong one.
|
|
const saved = await loadDocument();
|
|
|
|
editor = new Editor({
|
|
element: hosts[0],
|
|
extensions,
|
|
content: saved || undefined,
|
|
editorProps: {
|
|
// Our SpellCheck extension draws squiggles; turn off the browser's so
|
|
// they don't double up.
|
|
attributes: { spellcheck: 'false' },
|
|
handleScrollToSelection: () => multiPage || (paneCount > 1 && activePane !== 0),
|
|
// Ctrl/Cmd+click opens a hyperlink (a plain click just places the cursor).
|
|
handleClick: (view, _pos, event) => {
|
|
if (!(event.metaKey || event.ctrlKey)) return false;
|
|
const a = (event.target as HTMLElement | null)?.closest?.('a[href]') as HTMLAnchorElement | null;
|
|
const href = a?.getAttribute('href');
|
|
if (!href) return false;
|
|
// An internal href targets a bookmark in this document, not a URL.
|
|
if (href.startsWith('#')) {
|
|
const found = findBookmark(view.state.doc, href.slice(1));
|
|
if (!found) return true;
|
|
editor?.chain().focus().setTextSelection({ from: found.from, to: found.to }).scrollIntoView().run();
|
|
return true;
|
|
}
|
|
window.open(href, '_blank', 'noopener,noreferrer');
|
|
return true;
|
|
},
|
|
handleDOMEvents: {
|
|
drop: (view, event) => {
|
|
const e = event as DragEvent;
|
|
const files = imageFilesFrom(e.dataTransfer);
|
|
if (!files.length) return false;
|
|
e.preventDefault();
|
|
const at = view.posAtCoords({ left: e.clientX, top: e.clientY });
|
|
for (const f of files) insertImageFile(f, at?.pos ?? null);
|
|
return true;
|
|
},
|
|
paste: (view, event) => {
|
|
const e = event as ClipboardEvent;
|
|
const files = imageFilesFrom(e.clipboardData);
|
|
if (!files.length) return false;
|
|
e.preventDefault();
|
|
for (const f of files) insertImageFile(f, null);
|
|
return true;
|
|
},
|
|
},
|
|
transformPasted(slice, view) {
|
|
const textStyleType = view.state.schema.marks.textStyle;
|
|
if (!textStyleType) return slice;
|
|
const cursorMarks = view.state.storedMarks ?? view.state.selection.$head.marks();
|
|
// Only an explicit font at the caret is carried over: with none, the pasted
|
|
// text inherits the paragraph's style, as it does in both word processors.
|
|
const font = cursorMarks.find(m => m.type === textStyleType)?.attrs.fontFamily as string | undefined;
|
|
if (!font) return slice;
|
|
return new Slice(applyFontToFragment(slice.content, textStyleType, font), slice.openStart, slice.openEnd);
|
|
},
|
|
},
|
|
onTransaction: ({ editor: e, transaction }) => {
|
|
// Deferred: a blur tr arrives synchronously when a pane-layout switch tears
|
|
// down the focused DOM — inside Svelte's flush, where a $state write throws.
|
|
queueMicrotask(() => tick++);
|
|
// The other pane shows the same state, decorations included.
|
|
for (const view of paneViews) view?.updateState(e.state);
|
|
// Mirror this transaction into the labelled undo/redo log for the toolbar's
|
|
// history dropdowns. e.state is the POST-transaction state, so the history
|
|
// depths recordTransaction reads already reflect this transaction.
|
|
recordTransaction(e.state, transaction);
|
|
// Covers both doc and selection changes (entering/leaving a table,
|
|
// adding/removing rows or columns).
|
|
scheduleTableUi();
|
|
},
|
|
onSelectionUpdate: ({ editor: e }) => {
|
|
// Use the editor instance passed by TipTap directly — avoids any Svelte
|
|
// prop-reactivity timing issues. TipTap always auto-scrolls the cursor
|
|
// into view before firing this, so no visibility check is needed here.
|
|
const view = paneView() ?? e.view;
|
|
const tiptap = view.dom as HTMLElement | null;
|
|
if (!tiptap) return;
|
|
try {
|
|
const coords = view.coordsAtPos(e.state.selection.head);
|
|
const cursorInDoc = ((coords.top + coords.bottom) / 2 - tiptap.getBoundingClientRect().top) / (appliedZoom / 100);
|
|
currentPage = Math.max(1, Math.min(numPages, Math.floor(Math.max(0, cursorInDoc) / getCycle()) + 1));
|
|
followCaret(currentPage);
|
|
} catch { /* ignore */ }
|
|
},
|
|
onUpdate: ({ editor: e }) => {
|
|
saveDocument(e.getJSON());
|
|
},
|
|
onFocus: () => {
|
|
// Clicking back into the body ends header/footer editing.
|
|
hfActive = null;
|
|
},
|
|
});
|
|
|
|
// On the view's own DOM, not hosts[0]: switching the pane layout replaces the
|
|
// host element, and a listener there would go down with it.
|
|
editor.view.dom.addEventListener('pm-pagecount', onPageCount);
|
|
document.fonts?.addEventListener('loadingdone', repaginateOnFontLoad);
|
|
document.fonts?.ready.then(repaginateOnFontLoad);
|
|
// Seed the scaled footprint before the first paint (so the page is centered, not
|
|
// briefly left-aligned), then refine it once layout settles. The pageBreaks plugin
|
|
// also fires pm-pagecount shortly after with the precise document height.
|
|
recomputeScaledSize();
|
|
requestAnimationFrame(recomputeScaledSize);
|
|
// Two frames in: the first pagination pass has run and painted. A document that
|
|
// hangs or throws on the way here leaves the boot flag set and is skipped next load.
|
|
requestAnimationFrame(() => requestAnimationFrame(markDocumentLoaded));
|
|
});
|
|
|
|
function onEditorScroll(pane: number) {
|
|
if (multiPage) readFirstRow();
|
|
// The grid's one scroller carries every cell, whichever of them is being worked in.
|
|
if (multiPage || pane === activePane) updateCurrentPage();
|
|
scheduleTableUi();
|
|
if (linkTip) linkTip = null;
|
|
}
|
|
|
|
// --- The page grid ---
|
|
// Rows of `gridCols` pages, filled left to right, scrolling as one canvas. A cell
|
|
// is a window of exactly one page: pane index = slot * gridCols + column, and the
|
|
// two slots take turns being the upper row, so a scroll only re-aims the views.
|
|
let gridRows = $derived(Math.ceil(Math.max(1, numPages) / gridCols));
|
|
let firstRow = $state(0);
|
|
let canvasEl = $state<HTMLDivElement | null>(null);
|
|
const rowOfSlot = (slot: number) => firstRow + ((slot - firstRow) & 1);
|
|
const pageOfPane = (pane: number) => rowOfSlot(Math.floor(pane / gridCols)) * gridCols + (pane % gridCols) + 1;
|
|
let cells = $derived(
|
|
!multiPage ? [] : Array.from({ length: paneCount }, (_, pane) => {
|
|
const z = appliedZoom / 100;
|
|
const page = pageOfPane(pane);
|
|
const box = pageBoxes[page - 1];
|
|
return {
|
|
pane, page, live: page <= numPages,
|
|
left: (pane % gridCols) * pageStride * z,
|
|
top: rowOfSlot(Math.floor(pane / gridCols)) * firstCycle * z,
|
|
width: (box?.width ?? paperWidth) * z,
|
|
height: (box?.height ?? firstCycle - PAGE_GAP) * z,
|
|
// Where the document sits inside the cell: its own page box, at the top left.
|
|
paperTop: -(box?.top ?? 0) * z,
|
|
paperLeft: -(box?.left ?? 0) * z,
|
|
};
|
|
}),
|
|
);
|
|
|
|
// Scroll position of the canvas top, with the floating toolbar's overlay left free:
|
|
// a row scrolled to the scroller's own top would sit behind the island.
|
|
function gridOrigin(el: HTMLElement): number {
|
|
// Inherited from the app shell, which is where the floating chrome measures itself.
|
|
const overlay = parseFloat(getComputedStyle(el).getPropertyValue('--toolbar-overlay-h')) || 0;
|
|
return (canvasEl?.offsetTop ?? 0) - overlay;
|
|
}
|
|
|
|
function readFirstRow() {
|
|
const el = scrollers[0];
|
|
if (!el || !canvasEl) return;
|
|
// A scroll written for a row lands a fraction of a pixel short of it, so a whole
|
|
// page of slack decides nothing here but the row a boundary belongs to.
|
|
const top = (el.scrollTop - gridOrigin(el)) / (appliedZoom / 100) + 1;
|
|
firstRow = Math.max(0, Math.min(gridRows - 1, Math.floor(top / firstCycle)));
|
|
}
|
|
|
|
// Scrolls the grid so `page`'s row is the top one — what a caret leaving the screen
|
|
// and a jump from elsewhere in the app both need.
|
|
function scrollGridToPage(page: number) {
|
|
const el = scrollers[0];
|
|
if (!el || !canvasEl) return;
|
|
const row = Math.max(0, Math.min(gridRows - 1, Math.floor((Math.max(1, page) - 1) / gridCols)));
|
|
// Written here rather than awaited from the scroll event: the caller reads the
|
|
// cells back in the same tick to find the page it just scrolled to.
|
|
firstRow = row;
|
|
el.scrollTop = gridOrigin(el) + row * firstCycle * (appliedZoom / 100);
|
|
}
|
|
|
|
// The caret is drawn by whichever view holds the focus, so it has to be the one
|
|
// whose cell shows the caret's page — otherwise it blinks on a clipped page.
|
|
function followCaret(page: number) {
|
|
if (!multiPage || hfActive) return;
|
|
// The two rows on screen, in page numbers — the slots alternate, so pane 0 is not
|
|
// reliably the first of them.
|
|
const top = firstRow * gridCols + 1;
|
|
if (page < top || page >= top + 2 * gridCols) scrollGridToPage(page);
|
|
const focused = paneViews.some((v) => v?.hasFocus()) || editor?.view.hasFocus();
|
|
const pane = cells.find((c) => c.page === page)?.pane;
|
|
if (!focused || pane === undefined || pane === activePane) return;
|
|
activePane = pane;
|
|
viewOf(pane)?.focus();
|
|
}
|
|
|
|
// A pane's own listeners. `scroll` does not bubble and `mouseover` needs no a11y
|
|
// handler pair on a scroll container, so both are attached here rather than in markup.
|
|
function paneEvents(node: HTMLElement, pane: number) {
|
|
const scroll = () => onEditorScroll(pane);
|
|
const over = (e: MouseEvent) => onEditorPointerOver(e, pane);
|
|
node.addEventListener('scroll', scroll);
|
|
node.addEventListener('mouseover', over);
|
|
node.addEventListener('mouseout', onEditorPointerOut);
|
|
return {
|
|
destroy() {
|
|
node.removeEventListener('scroll', scroll);
|
|
node.removeEventListener('mouseover', over);
|
|
node.removeEventListener('mouseout', onEditorPointerOut);
|
|
},
|
|
};
|
|
}
|
|
|
|
// The editor is built into pane 0's host once, and switching the pane layout replaces
|
|
// that element — so its view moves to the new host rather than being rebuilt.
|
|
$effect(() => {
|
|
const host = hosts[0];
|
|
const view = editor?.view;
|
|
if (host && view && view.dom.parentElement !== host) host.appendChild(view.dom);
|
|
});
|
|
|
|
// --- Extra panes: more live views of the same state (Word's View ▸ Split, and
|
|
// the page columns). Every pane is the same width, so the pagination the first one
|
|
// measures is the layout of all; only its decorations reach here (isSplitPane).
|
|
$effect(() => {
|
|
const ed = editor;
|
|
const mounted = extraPanes.filter((i) => hosts[i]);
|
|
if (!ed || !mounted.length) return;
|
|
const made = mounted.map((i) => {
|
|
const view = new EditorView(hosts[i], {
|
|
...ed.view.props,
|
|
state: ed.state,
|
|
// A pane shows the document, it does not measure one: a plugin deriving state
|
|
// from its own viewport (the placeholder's does) would otherwise fight every
|
|
// other pane over that state, one transaction each, forever.
|
|
dispatchTransaction: (tr) => {
|
|
if (tr.docChanged || tr.selectionSet || tr.storedMarksSet) ed.view.dispatch(tr);
|
|
},
|
|
// Each pane keeps the place it was scrolled to: a caret move belongs to the pane
|
|
// being worked in, and without this every keystroke drags the others along.
|
|
handleScrollToSelection: () => multiPage || activePane !== i,
|
|
});
|
|
// What TipTap puts on its own view: the class every editor style is written against,
|
|
// and the back-reference its node views look the editor up through.
|
|
view.dom.classList.add('tiptap');
|
|
(view.dom as HTMLElement & { editor?: Editor }).editor = ed;
|
|
paneViews[i] = view;
|
|
return view;
|
|
});
|
|
return () => {
|
|
for (const i of mounted) paneViews[i] = null;
|
|
for (const view of made) view.destroy();
|
|
};
|
|
});
|
|
|
|
// The page slots are a min-height the pagination pass writes on its own view's DOM.
|
|
$effect(() => {
|
|
if (!docHeightDoc) return;
|
|
for (const view of paneViews) if (view) view.dom.style.minHeight = `${docHeightDoc}px`;
|
|
});
|
|
|
|
// A ribbon command focuses the editor's own view, which is pane 0 — but the caret
|
|
// belongs to the pane being worked in, so hand the focus back. A click on a pane sets
|
|
// activePane first (pointerdown precedes focus), so it is never bounced away.
|
|
function onPaneFocus(pane: number) {
|
|
if (pane === activePane || hfActive) return;
|
|
viewOf(activePane)?.focus();
|
|
}
|
|
|
|
$effect(() => {
|
|
if (activePane >= paneCount) activePane = 0;
|
|
});
|
|
|
|
// A grid is only a grid at a zoom where a whole row of pages fits it, so switching
|
|
// the count fits it, as both word processors re-zoom for this view. A later
|
|
// resize does not: from then on the reader's own zoom stands.
|
|
let fittedColumns = 0;
|
|
$effect(() => {
|
|
const n = multiPage ? gridCols : 0;
|
|
if (n === fittedColumns) return;
|
|
if (!n) {
|
|
fittedColumns = 0;
|
|
return;
|
|
}
|
|
const box = panesEl, pane = scrollers[0];
|
|
if (!box || !pane || !onZoom) return;
|
|
const pad = (side: string) => parseFloat(getComputedStyle(pane).getPropertyValue(`padding-${side}`)) || 0;
|
|
fittedColumns = n;
|
|
onZoom(fitPagesZoom(
|
|
{ width: box.clientWidth - pad('left') - pad('right'), height: box.clientHeight - pad('top') },
|
|
{ width: pageStride, cycle: firstCycle },
|
|
n,
|
|
));
|
|
});
|
|
|
|
// Where the divider sits, in percent of the pane area (both word processors drag one).
|
|
let splitRatio = $state(50);
|
|
let panesEl: HTMLDivElement;
|
|
|
|
function onSplitDrag(e: PointerEvent) {
|
|
const handle = e.currentTarget as HTMLElement;
|
|
const rect = panesEl.getBoundingClientRect();
|
|
handle.setPointerCapture(e.pointerId);
|
|
const move = (ev: PointerEvent) => {
|
|
splitRatio = Math.min(85, Math.max(15, ((ev.clientY - rect.top) / rect.height) * 100));
|
|
};
|
|
const up = () => {
|
|
handle.removeEventListener('pointermove', move);
|
|
handle.removeEventListener('pointerup', up);
|
|
};
|
|
handle.addEventListener('pointermove', move);
|
|
handle.addEventListener('pointerup', up);
|
|
}
|
|
|
|
onDestroy(() => {
|
|
cancelAnimationFrame(settleRaf);
|
|
if (zoomRaf !== null) cancelAnimationFrame(zoomRaf);
|
|
cancelAnimationFrame(marginRecalcRaf);
|
|
cancelAnimationFrame(marksRecalcRaf);
|
|
cancelAnimationFrame(tableUiRaf);
|
|
editor?.view.dom.removeEventListener('pm-pagecount', onPageCount);
|
|
editor?.destroy();
|
|
resetHistoryLog();
|
|
document.fonts?.removeEventListener('loadingdone', repaginateOnFontLoad);
|
|
});
|
|
</script>
|
|
|
|
<div class="editor-panes" class:grid={multiPage} bind:this={panesEl}>
|
|
{#if multiPage}
|
|
<!-- One scroller for the whole grid; the cells are its canvas, each a window of
|
|
one page onto its own view of the document. -->
|
|
<div
|
|
class="editor"
|
|
bind:this={scrollers[0]}
|
|
use:paneEvents={0}
|
|
onwheel={(e) => onWheel(e, 0)}
|
|
role="none"
|
|
>
|
|
<div
|
|
class="paper-scaler grid-canvas"
|
|
bind:this={canvasEl}
|
|
style="width: {Math.round(gridCols * pageStride * appliedZoom / 100 - PAGE_GAP * appliedZoom / 100)}px; height: {Math.round(gridRows * firstCycle * appliedZoom / 100)}px;"
|
|
>
|
|
{#each cells as cell (cell.pane)}
|
|
<div
|
|
class="page-cell"
|
|
class:empty={!cell.live}
|
|
style="left: {cell.left}px; top: {cell.top}px; width: {cell.width}px; height: {cell.height}px;"
|
|
oncontextmenu={(e) => openContextMenu(e, cell.pane)}
|
|
onpointerdown={() => (activePane = cell.pane)}
|
|
onfocusin={() => onPaneFocus(cell.pane)}
|
|
role="none"
|
|
>
|
|
{@render paper(cell.pane, cell.paperTop, cell.paperLeft)}
|
|
</div>
|
|
{/each}
|
|
</div>
|
|
{@render chrome(activePane)}
|
|
</div>
|
|
{:else}
|
|
{@render pane(0)}
|
|
{#if splitView}
|
|
<!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
|
|
<div
|
|
class="split-handle"
|
|
role="separator"
|
|
aria-orientation="horizontal"
|
|
aria-label={t().view.split}
|
|
onpointerdown={onSplitDrag}
|
|
></div>
|
|
{@render pane(1)}
|
|
{/if}
|
|
{/if}
|
|
</div>
|
|
|
|
{#snippet pane(i: number)}
|
|
<div
|
|
class="editor"
|
|
class:pane-below={splitView && i > 0}
|
|
style:flex={splitView && i === 0 ? `0 0 ${splitRatio}%` : '1'}
|
|
bind:this={scrollers[i]}
|
|
use:paneEvents={i}
|
|
onwheel={(e) => onWheel(e, i)}
|
|
oncontextmenu={(e) => openContextMenu(e, i)}
|
|
onpointerdown={() => (activePane = i)}
|
|
onfocusin={() => onPaneFocus(i)}
|
|
role="none"
|
|
>
|
|
<!-- Hidden while a header/footer zone is active: those have no tab stops, so the
|
|
ruler would edit the body paragraph behind the user's back. -->
|
|
{#if showRuler && scaledWidth && !hfActive}
|
|
<Ruler {editor} {tick} zoom={appliedZoom} width={scaledWidth} margins={pageMargins} />
|
|
{/if}
|
|
<!-- Reserves the scaled scroll footprint; the transform on .paper reserves none.
|
|
Before the first measure (size 0) it's left unsized so .paper isn't clipped. -->
|
|
<div class="paper-scaler" style={scaledWidth ? `width: ${scaledCanvasWidth}px; height: ${scaledHeight}px;` : ''}>
|
|
{@render paper(i, 0, 0)}
|
|
{#if hasReviewMarkup}
|
|
<ReviewMarginLayer {editor} {tick} {pageBoxes} {paperWidth} zoom={appliedZoom} author={commentAuthor} />
|
|
{/if}
|
|
</div>
|
|
{@render chrome(i)}
|
|
</div>
|
|
{/snippet}
|
|
|
|
{#snippet paper(i: number, offsetTop: number, offsetLeft: number)}
|
|
<div bind:this={papers[i]} class="paper" data-hide-deletions={markup.hideDeletions ? '' : null} data-hide-insertions={markup.hideInsertions ? '' : null} data-plain-markup={markup.plainRevisions ? '' : null} data-hide-comments={markup.comments ? null : ''} style:position={offsetTop || offsetLeft ? 'absolute' : null} style:top={offsetTop ? `${offsetTop}px` : null} style:left={offsetLeft ? `${offsetLeft}px` : null} data-spacing-model={spacingModel} class:show-formatting-marks={showFormattingMarks} class:hf-editing={hfActive} class:settling style="transform: scale({appliedZoom / 100});{pageDecor.background ? ` --color-page-bg: ${pageDecor.background};` : ''}">
|
|
<!-- Dedicated mount point that TipTap fully owns — keeping it free of Svelte
|
|
content avoids Svelte and ProseMirror fighting over the same parent's DOM. -->
|
|
<div bind:this={hosts[i]} class="tiptap-host" data-split-pane={i > 0 ? '' : null} dir={pageRtl ? 'rtl' : null} lang={documentLanguage === NO_LANGUAGE ? null : documentLanguage} style:hyphens={hyphenate ? 'auto' : null}></div>
|
|
{#if gapStripeStyles.length}
|
|
<div class="band-layer">
|
|
{#each bandStyles as b}
|
|
<div
|
|
class="table-break-band"
|
|
style="top: {b.top}px; left: {b.left}px; width: {b.width}px; height: {b.height}px;"
|
|
></div>
|
|
{/each}
|
|
{#each gapStripeStyles as s}
|
|
<div
|
|
class="page-gap-stripe"
|
|
style="top: {s.top}px; width: {s.width}px; height: {s.height}px; background: {s.background};"
|
|
></div>
|
|
{/each}
|
|
</div>
|
|
{/if}
|
|
<PageSheetLayer {pageBoxes} />
|
|
<PageDecorLayer decor={pageDecor} {pageBoxes} {pageMargins} hfInsets={decorHfInsets} isLeft={leftPageAt} />
|
|
{#if foldMarks}
|
|
<FoldMarkLayer {pageBoxes} />
|
|
{/if}
|
|
{#if lineNumbering.on}
|
|
<LineNumberLayer {editor} {tick} {lineNumbering} {pageBoxes} {pageMargins} />
|
|
{/if}
|
|
<ChangeBarLayer {editor} {tick} {pageBoxes} {pageMargins} />
|
|
<HeaderFooterLayer
|
|
bind:headerDoc
|
|
bind:footerDoc
|
|
bind:headerFirstDoc
|
|
bind:footerFirstDoc
|
|
{differentFirstPage}
|
|
bind:headerEvenDoc
|
|
bind:footerEvenDoc
|
|
{differentOddEven}
|
|
bind:hfEditor
|
|
bind:hfActive
|
|
bind:hfTick
|
|
{numPages}
|
|
{pageBoxes}
|
|
{currentPage}
|
|
{pageMargins}
|
|
{orientation}
|
|
{pageFormat}
|
|
{hfDistances}
|
|
bind:extraHfSections
|
|
{sectionStartPages}
|
|
{chapterStarts}
|
|
{pageNumbering}
|
|
bind:zoneHeights={hfZoneHeights}
|
|
interactive={i === 0}
|
|
/>
|
|
</div>
|
|
{/snippet}
|
|
|
|
<!-- The floating chrome renders in the pane being worked in: it is positioned in that
|
|
scroller's own space, and the selection it describes is drawn there. -->
|
|
{#snippet chrome(i: number)}
|
|
{#if i === activePane}
|
|
{#if tableUi.visible && !tableDialog}
|
|
<TableToolbar
|
|
{editor}
|
|
{tick}
|
|
top={tableUi.top}
|
|
left={tableUi.left}
|
|
onDialog={(which) => (tableDialog = which)}
|
|
/>
|
|
{/if}
|
|
{#if tableUi.visible && tableDialog}
|
|
<div class="table-dialog" bind:clientHeight={tableDialogH} style="top: {tableDialogTop}px; left: {tableUi.left}px;">
|
|
{#if tableDialog === 'split'}
|
|
<TableSplitDialog
|
|
onApply={(cols, rows) => {
|
|
editor?.chain().focus().splitCellInto(cols, rows).run();
|
|
tableDialog = null;
|
|
}}
|
|
onClose={() => (tableDialog = null)}
|
|
/>
|
|
{:else if tableDialog === 'sort'}
|
|
<TableSortDialog
|
|
columns={tableGrid.columns}
|
|
column={tableGrid.column}
|
|
headerRow={tableGrid.headerRow}
|
|
onApply={(options) => {
|
|
editor?.chain().focus().sortTable(options).run();
|
|
tableDialog = null;
|
|
}}
|
|
onClose={() => (tableDialog = null)}
|
|
/>
|
|
{:else}
|
|
<TableFormulaDialog
|
|
cell={tableGrid.cell}
|
|
initial={tableGrid.formula}
|
|
initialFormat={tableGrid.format}
|
|
onApply={(formula, format) => {
|
|
editor?.chain().focus().setCellFormula(formula, format).run();
|
|
tableDialog = null;
|
|
}}
|
|
onClose={() => (tableDialog = null)}
|
|
/>
|
|
{/if}
|
|
</div>
|
|
{/if}
|
|
{#if imageUi.visible}
|
|
<ImageToolbar {editor} top={imageUi.top} left={imageUi.left} wrap={imageUi.wrap} />
|
|
{/if}
|
|
{#if textBoxUi.visible}
|
|
<TextBoxToolbar
|
|
{editor}
|
|
top={textBoxUi.top}
|
|
left={textBoxUi.left}
|
|
wrap={textBoxUi.wrap}
|
|
wrapAlign={textBoxUi.wrapAlign}
|
|
shapeKind={textBoxUi.shapeKind}
|
|
fillColor={textBoxUi.fillColor}
|
|
strokeColor={textBoxUi.strokeColor}
|
|
strokeWidthPt={textBoxUi.strokeWidthPt}
|
|
textVertical={textBoxUi.textVertical}
|
|
/>
|
|
{/if}
|
|
{#if ctxMenu}
|
|
<ContextMenu
|
|
top={ctxMenu.top}
|
|
left={ctxMenu.left}
|
|
items={ctxMenu.items}
|
|
onClose={() => (ctxMenu = null)}
|
|
/>
|
|
{/if}
|
|
{/if}
|
|
<!-- The grid has one scroller, so its hint is placed there whichever cell it is over. -->
|
|
{#if linkTip && (multiPage || linkTip.pane === i)}
|
|
<div class="link-tooltip" style="top: {linkTip.top}px; left: {linkTip.left}px;">
|
|
<span class="link-tooltip-url">{linkTip.href}</span>
|
|
<span class="link-tooltip-hint">{t().link.openHint(withShortcut('Ctrl'))}</span>
|
|
</div>
|
|
{/if}
|
|
{/snippet}
|
|
|
|
<style>
|
|
/* The pane column. Unsplit it holds the one scroller and changes nothing. */
|
|
/* `min-width: 0` lets it be narrower than its canvas — see the same line on
|
|
`.editor` in editor.css. */
|
|
.editor-panes {
|
|
display: flex;
|
|
flex-direction: column;
|
|
flex: 1;
|
|
min-height: 0;
|
|
min-width: 0;
|
|
}
|
|
|
|
/* The lower pane sits below the toolbar island, so it needs none of its clearance. */
|
|
.editor-panes :global(.editor.pane-below) {
|
|
padding-top: 1.25rem;
|
|
border-top: 1px solid var(--color-border);
|
|
}
|
|
|
|
/* A cell is a window of exactly one page onto its own view of the document. */
|
|
.grid-canvas {
|
|
position: relative;
|
|
}
|
|
|
|
.page-cell {
|
|
position: absolute;
|
|
overflow: hidden;
|
|
}
|
|
|
|
/* Past the last page the row is short; its cell stays as the grid's empty slot. */
|
|
.page-cell.empty {
|
|
visibility: hidden;
|
|
}
|
|
|
|
.split-handle {
|
|
flex: 0 0 6px;
|
|
background: var(--color-toolbar-bg);
|
|
border-block: 1px solid var(--color-border);
|
|
cursor: row-resize;
|
|
touch-action: none;
|
|
}
|
|
|
|
.split-handle:hover {
|
|
background: var(--color-primary);
|
|
}
|
|
|
|
/* While editing a header/footer, dim the body so focus is on the margin zone. */
|
|
.paper.hf-editing :global(.tiptap) {
|
|
opacity: 0.5;
|
|
transition: opacity 0.15s;
|
|
}
|
|
|
|
/* The table popovers sit above the table's top-left corner like the toolbar. The
|
|
wrapper is what places them, so one measurement keeps a tall one in view. */
|
|
.table-dialog {
|
|
position: absolute;
|
|
transform: translateY(calc(-100% - 6px));
|
|
z-index: 300;
|
|
}
|
|
|
|
/* Hover hint for links (Word/LibreOffice style): URL + modifier-click tip, sitting
|
|
just above the link. A child of .editor so it scrolls with content but isn't scaled
|
|
by the zoom transform; pointer-events:none keeps the link itself clickable. */
|
|
.link-tooltip {
|
|
position: absolute;
|
|
z-index: 160;
|
|
transform: translateY(calc(-100% - 6px));
|
|
display: flex;
|
|
flex-direction: column;
|
|
gap: 1px;
|
|
max-width: 28rem;
|
|
padding: 0.3rem 0.55rem;
|
|
background: var(--color-tooltip-bg, #2b2f36);
|
|
color: #fff;
|
|
border-radius: var(--radius);
|
|
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
|
|
pointer-events: none;
|
|
font-family: var(--font-sans);
|
|
font-size: 0.72rem;
|
|
line-height: 1.35;
|
|
}
|
|
|
|
.link-tooltip-url {
|
|
font-weight: 600;
|
|
overflow: hidden;
|
|
text-overflow: ellipsis;
|
|
white-space: nowrap;
|
|
}
|
|
|
|
.link-tooltip-hint { opacity: 0.75; }
|
|
|
|
/* Overlay for the table page-break bands, inside .paper (inset:0) so it scales with
|
|
the page background. pointer-events:none keeps the editor clickable. z-index clears
|
|
the resize handles (20) so the band also masks a too-tall cell's handle in the gap. */
|
|
.band-layer {
|
|
position: absolute;
|
|
inset: 0;
|
|
z-index: 21;
|
|
pointer-events: none;
|
|
}
|
|
|
|
/* Table page-break mask: a solid page-coloured fill over the margin band hiding the
|
|
table's vertical borders, plus the black close (top) + open (bottom) lines. The
|
|
dark gap itself is drawn by .page-gap-stripe on top. */
|
|
.table-break-band {
|
|
position: absolute;
|
|
pointer-events: none;
|
|
background: var(--color-page-bg);
|
|
border-top: 1px solid #000;
|
|
border-bottom: 1px solid #000;
|
|
/* Fill matches the table's content box so the close/open lines align with its
|
|
start/end borders. The outer L/R borders sit 0.5px into the margins, so two
|
|
horizontal box-shadows paint 1px beyond each side to swallow those slivers. */
|
|
box-shadow:
|
|
1px 0 0 0 var(--color-page-bg),
|
|
-1px 0 0 0 var(--color-page-bg);
|
|
}
|
|
|
|
/* The page gap at a table break, drawn as ONE full-page-width element on top of the
|
|
masks so the dark gap is a single rasterised rectangle — no left/right edge to
|
|
disagree (sub-pixel, at fractional zoom) with the .tiptap background gap. */
|
|
.page-gap-stripe {
|
|
position: absolute;
|
|
left: 0;
|
|
pointer-events: none;
|
|
}
|
|
</style>
|