Files
edentext/src/lib/components/Editor.svelte
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2026-06-27 19:55:56 +02:00

730 lines
30 KiB
Svelte

<script lang="ts">
import { onMount, onDestroy, untrack } from 'svelte';
import { Editor } from '@tiptap/core';
import { Slice, Fragment } from 'prosemirror-model';
import type { Node as PmNode, MarkType } from 'prosemirror-model';
import type { EditorView } from '@tiptap/pm/view';
import { extensions } from '../editor/extensions';
import { spellErrorAt } from '../editor/extensions/spellCheck';
import { spellController } from '../spell/controller';
import TableToolbar from './TableToolbar.svelte';
import ImageToolbar from './ImageToolbar.svelte';
import type { WrapMode } from '../editor/extensions/image';
import { NodeSelection } from '@tiptap/pm/state';
import SpellContextMenu from './SpellContextMenu.svelte';
import HeaderFooterLayer from './HeaderFooterLayer.svelte';
import { saveDocument, loadDocument } from '../storage/autosave';
import { applyMarginVars, cmToPx, DEFAULT_MARGINS, type PageMargins } from '../storage/pageMargins';
import { applyOrientationVars, type Orientation } from '../storage/pageOrientation';
import { DEFAULT_HF_DISTANCES, type HfDoc, type HfZone, type HfDistances } from '../storage/headerFooter';
import { FORCE_PAGE_RECALC, type TableBreakBand } from '../editor/extensions/pageBreaks';
import { recordTransaction, resetHistoryLog } from '../utils/historyLog.svelte';
import '../../styles/editor.css';
const DEFAULT_EDITOR_FONT = 'Georgia'; // must match ToolbarExpanded.svelte
let {
editor = $bindable(), tick = $bindable(0), currentPage = $bindable(1), numPages = $bindable(1),
zoom = 100, showFormattingMarks = false, pageMargins = DEFAULT_MARGINS, orientation = 'portrait',
headerDoc = $bindable(null), footerDoc = $bindable(null), hfDistances = DEFAULT_HF_DISTANCES,
hfEditor = $bindable(null), hfActive = $bindable(null), hfTick = $bindable(0),
}: {
editor: Editor | null; tick: number; currentPage: number; numPages: number; zoom: number;
showFormattingMarks?: boolean; pageMargins?: PageMargins; orientation?: Orientation;
headerDoc?: HfDoc; footerDoc?: HfDoc; hfDistances?: HfDistances;
hfEditor?: Editor | null; hfActive?: HfZone | null; hfTick?: number;
} = $props();
// Apply the page margins + orientation to the :root CSS vars (visual padding,
// page dimensions, and pagination all read these). DOM-only, safe in effects.
$effect(() => {
applyMarginVars(pageMargins);
});
$effect(() => {
applyOrientationVars(orientation);
});
// 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 so the effect re-runs on any change
void (pageMargins.top + pageMargins.bottom + pageMargins.left + pageMargins.right);
void orientation;
const ed = editor;
if (!ed) return;
cancelAnimationFrame(marginRecalcRaf);
marginRecalcRaf = requestAnimationFrame(() => {
ed.view.dispatch(
ed.state.tr.setMeta('addToHistory', false).setMeta(FORCE_PAGE_RECALC, true),
);
});
});
let element: HTMLDivElement;
let editorContainer: HTMLDivElement;
// 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 paperEl: HTMLDivElement;
let docHeightDoc = $state(0); // document height, from pm-pagecount
let scaledWidth = $state(0);
let scaledHeight = $state(0);
function recomputeScaledSize() {
if (!paperEl) return;
const z = appliedZoom / 100;
const w = paperEl.offsetWidth; // unscaled page width (= --user-page-width)
const h = docHeightDoc || paperEl.offsetHeight; // unscaled document height
scaledWidth = Math.round(w * z);
scaledHeight = Math.round(h * z);
}
// Page cycle (page height + 20px gap) in document px. Orientation-dependent, so
// read live from --user-page-height (set by applyOrientationVars). 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;
}
// --- Spelling suggestion menu (right-click on a red-squiggled word) ---
let spellMenu = $state<{
visible: boolean; top: number; left: number;
from: number; to: number; word: string; suggestions: string[];
}>({ visible: false, top: 0, left: 0, from: 0, to: 0, word: '', suggestions: [] });
function openSpellMenu(view: EditorView, event: MouseEvent): boolean {
if (!spellController.isEnabled() || !editorContainer) return false;
const coords = view.posAtCoords({ left: event.clientX, top: event.clientY });
if (!coords) return false;
const range = spellErrorAt(view.state, coords.pos);
if (!range) return false; // not on a misspelling → let the browser menu show
event.preventDefault();
const word = view.state.doc.textBetween(range.from, range.to);
const cRect = editorContainer.getBoundingClientRect();
spellMenu = {
visible: true,
top: event.clientY - cRect.top + editorContainer.scrollTop,
left: event.clientX - cRect.left + editorContainer.scrollLeft,
from: range.from, to: range.to, word,
suggestions: spellController.suggest(word).slice(0, 6),
};
return true;
}
function closeSpellMenu() {
if (spellMenu.visible) spellMenu = { ...spellMenu, visible: false };
}
// Replace the misspelled range, preserving the word's marks (font/bold/etc.).
function replaceSpellWord(replacement: string) {
const ed = editor;
if (!ed || !spellMenu.visible) return;
const { from, to } = spellMenu;
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();
closeSpellMenu();
}
function addSpellWord() {
if (spellMenu.visible) spellController.addWord(spellMenu.word);
closeSpellMenu();
editor?.view.focus();
}
function ignoreSpellWord() {
if (spellMenu.visible) spellController.ignoreWord(spellMenu.word);
closeSpellMenu();
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.
const linkHintKey =
typeof navigator !== 'undefined' && /Mac|iP(hone|ad|od)/.test(navigator.platform) ? '⌘' : 'Ctrl';
let linkTip = $state<{ top: number; left: number; href: string } | null>(null);
function showLinkTip(a: HTMLAnchorElement) {
const href = a.getAttribute('href');
if (!href || !editorContainer) return;
const aRect = a.getBoundingClientRect();
const cRect = editorContainer.getBoundingClientRect();
linkTip = {
top: aRect.top - cRect.top + editorContainer.scrollTop,
left: aRect.left - cRect.left + editorContainer.scrollLeft,
href,
};
}
function onEditorPointerOver(e: MouseEvent) {
const a = (e.target as HTMLElement | null)?.closest?.('a[href]') as HTMLAnchorElement | null;
if (a && editorContainer?.contains(a)) showLinkTip(a);
}
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 = $state<{ visible: boolean; top: number; left: number }>({ visible: false, top: 0, left: 0 });
let tableUiRaf = 0;
// The DOM element of the table containing the current selection, or null.
// nodeDOM(before(table)) returns the wrapper div the table node view renders.
function activeTableDOM(ed: Editor): HTMLElement | null {
const resolved = ed.state.selection.$from;
for (let d = resolved.depth; d > 0; d--) {
if (resolved.node(d).type.name === 'table') {
try {
const dom = ed.view.nodeDOM(resolved.before(d));
return dom instanceof HTMLElement ? dom : null;
} catch {
return null;
}
}
}
return null;
}
function recomputeTableUi() {
const ed = editor;
if (!ed || !editorContainer) {
if (tableUi.visible) tableUi = { ...tableUi, visible: false };
return;
}
const dom = activeTableDOM(ed);
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 = editorContainer.getBoundingClientRect();
const left = tRect.left - cRect.left + editorContainer.scrollLeft;
// Default: anchor just above the table's top-left corner.
let top = tRect.top - cRect.top + editorContainer.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 = element?.querySelector('.tiptap') as HTMLElement | null;
if (tiptap) {
try {
const z = appliedZoom / 100;
const tiptapRect = tiptap.getBoundingClientRect();
const cycle = getCycle();
const tableTopDoc = (tRect.top - tiptapRect.top) / z;
const coords = ed.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 + editorContainer.scrollTop;
top = tiptapTopInContainer + pageContentTopDoc * z;
}
} catch { /* fall back to the table-top anchor */ }
}
tableUi = { visible: true, top, left };
}
// --- 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;
if (!ed || !editorContainer) {
if (imageUi.visible) imageUi = { ...imageUi, visible: false };
return;
}
const sel = ed.state.selection;
const dom = sel instanceof NodeSelection && sel.node.type.name === 'image' ? ed.view.nodeDOM(sel.from) : null;
if (!(dom instanceof HTMLElement)) {
if (imageUi.visible) imageUi = { ...imageUi, visible: false };
return;
}
const r = dom.getBoundingClientRect();
const cRect = editorContainer.getBoundingClientRect();
imageUi = {
visible: true,
top: r.top - cRect.top + editorContainer.scrollTop,
left: r.left - cRect.left + editorContainer.scrollLeft,
wrap: ((sel as NodeSelection).node.attrs.wrap as WrapMode) || 'inline',
};
}
// 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() {
const tiptap = element?.querySelector('.tiptap') 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();
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));
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
});
});
// Preserve the top-of-viewport anchor across zoom changes.
let prevZoom = -1;
let pendingAnchorDocY: number | null = null;
$effect.pre(() => {
const z = appliedZoom;
if (prevZoom < 0 || !editorContainer || !element || z === prevZoom) {
prevZoom = z;
return;
}
const editorRect = editorContainer.getBoundingClientRect();
const paperRect = element.getBoundingClientRect();
pendingAnchorDocY = (editorRect.top - paperRect.top) / (prevZoom / 100);
prevZoom = z;
});
$effect(() => {
appliedZoom; // track to fire after the pre-effect / DOM update
// Re-reserve the scaled scroll footprint for the new zoom (layout itself is frozen).
recomputeScaledSize();
// Zoom changes the table's rendered position — re-place the floating toolbar.
scheduleTableUi();
if (pendingAnchorDocY === null || !editorContainer || !element) return;
const docY = pendingAnchorDocY;
pendingAnchorDocY = null;
const editorRect = editorContainer.getBoundingClientRect();
const paperRect = element.getBoundingClientRect();
const targetScreenY = paperRect.top + docY * (appliedZoom / 100);
editorContainer.scrollTop += targetScreenY - editorRect.top;
});
function updateCurrentPage() {
const tiptap = element?.querySelector('.tiptap') as HTMLElement | null;
if (!tiptap || !editorContainer) return;
const editorRect = editorContainer.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) {
try {
const coords = editor.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[] }>).detail;
numPages = detail.numPages;
if (typeof detail.docHeight === 'number') docHeightDoc = detail.docHeight;
tableBandsDoc = detail.tableBreakBands ?? [];
// 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);
}
onMount(() => {
// Start with empty history lists — loaded content is not an undoable edit.
resetHistoryLog();
const saved = loadDocument();
editor = new Editor({
element,
extensions,
content: saved || undefined,
editorProps: {
// Our SpellCheck extension draws squiggles; turn off the browser's so
// they don't double up.
attributes: { spellcheck: 'false' },
// 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;
window.open(href, '_blank', 'noopener,noreferrer');
return true;
},
handleDOMEvents: {
contextmenu: (view, event) => openSpellMenu(view, event),
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();
const cursorFont = cursorMarks.find(m => m.type === textStyleType)?.attrs.fontFamily as string | undefined;
const font = cursorFont ?? DEFAULT_EDITOR_FONT;
return new Slice(applyFontToFragment(slice.content, textStyleType, font), slice.openStart, slice.openEnd);
},
},
onTransaction: ({ editor: e, transaction }) => {
tick++;
// 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 tiptap = element?.querySelector('.tiptap') as HTMLElement | null;
if (!tiptap) return;
try {
const coords = e.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));
} catch { /* ignore */ }
},
onUpdate: ({ editor: e }) => {
saveDocument(e.getJSON());
},
onFocus: () => {
// Clicking back into the body ends header/footer editing (Word behaviour).
hfActive = null;
},
});
element.addEventListener('pm-pagecount', onPageCount);
editorContainer.addEventListener('scroll', onEditorScroll);
editorContainer.addEventListener('mouseover', onEditorPointerOver);
editorContainer.addEventListener('mouseout', onEditorPointerOut);
// 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);
});
function onEditorScroll() {
updateCurrentPage();
scheduleTableUi();
if (linkTip) linkTip = null;
}
onDestroy(() => {
if (zoomRaf !== null) cancelAnimationFrame(zoomRaf);
cancelAnimationFrame(marginRecalcRaf);
cancelAnimationFrame(tableUiRaf);
editor?.destroy();
resetHistoryLog();
element?.removeEventListener('pm-pagecount', onPageCount);
editorContainer?.removeEventListener('scroll', onEditorScroll);
editorContainer?.removeEventListener('mouseover', onEditorPointerOver);
editorContainer?.removeEventListener('mouseout', onEditorPointerOut);
});
</script>
<div class="editor" bind:this={editorContainer}>
<!-- 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: ${scaledWidth}px; height: ${scaledHeight}px;` : ''}>
<div bind:this={paperEl} class="paper" class:show-formatting-marks={showFormattingMarks} class:hf-editing={hfActive} style="transform: scale({appliedZoom / 100});">
<!-- 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={element} class="tiptap-host"></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}
<HeaderFooterLayer
bind:headerDoc
bind:footerDoc
bind:hfEditor
bind:hfActive
bind:hfTick
{numPages}
{currentPage}
{pageMargins}
{orientation}
{hfDistances}
/>
</div>
</div>
{#if tableUi.visible}
<TableToolbar {editor} top={tableUi.top} left={tableUi.left} />
{/if}
{#if imageUi.visible}
<ImageToolbar {editor} top={imageUi.top} left={imageUi.left} wrap={imageUi.wrap} />
{/if}
{#if spellMenu.visible}
<SpellContextMenu
top={spellMenu.top}
left={spellMenu.left}
suggestions={spellMenu.suggestions}
onReplace={replaceSpellWord}
onAdd={addSpellWord}
onIgnore={ignoreSpellWord}
onClose={closeSpellMenu}
/>
{/if}
{#if linkTip}
<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">{linkHintKey}+Click to open link</span>
</div>
{/if}
</div>
<style>
/* 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;
}
/* 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>