mirror of
https://codeberg.org/PostERG/xamxam.git
synced 2026-08-10 15:21:22 +02:00
pdf-viewer: various visual and usability changes
- fix page nav buttons, smaller default pages, violet bg
- Build toolbar after renderAllPages so it queries existing canvases;
query canvases fresh in the scroll handler so page tracking works
after re-render (zoom in/out).
- Default data-pdf-scale 0.85 (JS fallback 0.8) so pages are a bit
smaller by default.
- Add dark transparent violet background (accent-secondary 22%) to
.pdf-expanded, behind the pages.
- expand to fill column top-to-bottom via CSS flex
Use a flex chain (.tfe-files flex:1, .tfe-file-item:has(.pdf-expanded)
flex:1) so the expanded PDF wrapper fills the right column from under
the header to the bottom of the viewport, instead of viewport-based
clamp math that didn't account for the header height.
- fill right column, center pages, freeze column on expand
The expanded viewer now stays inside the right column instead of
growing the page: the column switches to overflow:hidden while the
PDF panel scrolls internally. Pages are centered horizontally via
flexbox align-items: center.
- fix toolbar not full-width, hide sibling file items
The toolbar was constrained by the parent's align-items:center; fixed
with align-self:stretch. Hiding sibling .tfe-file-item elements when
a PDF is expanded prevents them from rendering above the overlay.
- disable overscroll on expanded view
- use overscroll-behavior-y on container, none on toolbar
- disable body overscroll via .pdf-viewer-open class
- mobile full-viewport, iframe matches pdf height
- mobile overlay above everything via position:fixed
- opaque dark-violet bg on mobile overlay
- tfe: add 'Open in new tab' link above website iframes
- trim column padding when expanded for more vertical space
- 5% zoom increments, subtle padding on expanded column
- prevent horizontal overflow/overscroll
This commit is contained in:
Pontoporeia
@@ -57,6 +57,8 @@
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display: flex;
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flex-direction: column;
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gap: var(--space-m);
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flex: 1;
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min-height: 0;
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}
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.tfe-file-item {
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@@ -70,6 +72,30 @@
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overflow: visible;
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}
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.tfe-file-item:has(.pdf-expanded) {
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flex: 1;
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min-height: 0;
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overflow: visible;
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}
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.tfe-file-item:has(.tfe-file-iframe) {
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flex: 1;
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min-height: 0;
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overflow: visible;
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}
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/* When a PDF is expanded, freeze the right column and hide
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sibling file items so they can't render above the expanded view.
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Also trim column padding so the PDF fills more vertical space. */
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.tfe-right-column:has(.pdf-expanded) {
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overflow: hidden;
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padding-top: var(--space-xs);
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padding-bottom: var(--space-xs);
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}
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.tfe-right-column:has(.pdf-expanded) .tfe-file-item:not(:has(.pdf-expanded)) {
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display: none;
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}
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.tfe-file-item img {
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width: 100%;
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height: auto;
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@@ -95,11 +121,29 @@
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.tfe-file-iframe {
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width: 100%;
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max-width: 100%;
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height: clamp(300px, 80vh, 700px);
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height: 100%;
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min-height: 400px;
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display: block;
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border: none;
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}
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.tfe-website-link {
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display: inline-flex;
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align-items: center;
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gap: var(--space-3xs);
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padding: var(--space-2xs) var(--space-xs);
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font-size: var(--step--1);
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color: var(--accent-primary);
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text-decoration: none;
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border: 1px solid var(--border);
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border-radius: var(--radius);
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margin-bottom: var(--space-2xs);
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}
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.tfe-website-link:hover {
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background: color-mix(in srgb, var(--accent-primary) 10%, var(--bg-primary));
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}
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.tfe-file-item figcaption {
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font-size: var(--step--2);
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color: var(--text-secondary);
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@@ -312,8 +356,8 @@
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: var(--radius);
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outline: none;
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transition: height 0.35s ease, border-color 0.35s ease;
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outline: none;
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}
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/* ── Collapsed state: thumbnail tile ────────── */
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@@ -395,19 +439,30 @@
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/* ── Expanded state: wrapper becomes scroll panel ── */
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/* Disable root-level overscroll (rubberbanding) while a PDF is open. */
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body.pdf-viewer-open {
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overscroll-behavior: none;
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}
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.pdf-expanded {
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/* Fill viewport minus the column's vertical padding */
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max-height: calc(100vh - var(--space-xl) * 2);
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height: clamp(400px, 80vh, calc(100vh - var(--space-xl) * 2));
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/* Fill the right column from top to bottom (under the header). */
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height: 100%;
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min-height: 400px;
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overflow-y: auto;
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overflow-x: hidden;
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overscroll-behavior-y: contain;
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border: 2px solid var(--accent-primary);
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display: block;
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display: flex;
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flex-direction: column;
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align-items: center;
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background: color-mix(in srgb, var(--accent-secondary) 22%, transparent);
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}
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/* ── Toolbar ────────────────────────────────── */
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.pdf-toolbar {
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position: sticky;
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align-self: stretch;
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top: 0;
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z-index: 2;
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display: flex;
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@@ -420,6 +475,7 @@
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flex-shrink: 0;
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font-size: var(--step--1);
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user-select: none;
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overscroll-behavior: none;
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}
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.pdf-toolbar-btn {
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@@ -505,6 +561,19 @@
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.tfe-title {
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font-size: var(--step-2);
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}
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/* PDF expands to full viewport height on mobile, above everything */
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.pdf-expanded {
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position: fixed;
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inset: 0;
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z-index: 100;
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height: auto;
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min-height: unset;
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background: color-mix(in srgb, var(--accent-secondary) 92%, #000 8%);
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}
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.tfe-file-iframe {
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height: 100dvh;
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}
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}
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@media (max-width: 600px) {
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@@ -116,6 +116,7 @@
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async function expand(container, pdfDoc) {
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container.classList.remove("pdf-collapsed");
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container.classList.add("pdf-expanded");
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document.body.classList.add("pdf-viewer-open");
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container.addEventListener("contextmenu", (e) => e.preventDefault());
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container.addEventListener("keydown", (e) => {
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@@ -132,10 +133,10 @@
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if (oldThumb) oldThumb.remove();
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// Build toolbar
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buildToolbar(container, pdfDoc);
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// Render pages directly into the wrapper
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// Render pages directly into the wrapper, then build the toolbar
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// (toolbar queries canvases, so it must run after they exist).
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await renderAllPages(container, pdfDoc);
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buildToolbar(container, pdfDoc);
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container.scrollIntoView({ behavior: "smooth", block: "nearest" });
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}
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@@ -143,6 +144,7 @@
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function collapse(container) {
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container.classList.remove("pdf-expanded");
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container.classList.add("pdf-collapsed");
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document.body.classList.remove("pdf-viewer-open");
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const oldToolbar = container.querySelector(".pdf-toolbar");
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if (oldToolbar) oldToolbar.remove();
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@@ -178,7 +180,7 @@
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const rendering = new Set();
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const resolveScale = () => {
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const userScale = parseFloat(container.dataset.pdfScale ?? "1");
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const userScale = parseFloat(container.dataset.pdfScale ?? "0.8");
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const containerWidth = container.clientWidth - 16;
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if (containerWidth <= 0) return userScale;
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return (containerWidth / firstViewport.width) * userScale;
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@@ -236,7 +238,7 @@
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toolbar.className = "pdf-toolbar";
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let currentPage = 1;
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let currentScale = parseFloat(container.dataset.pdfScale ?? "1");
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let currentScale = parseFloat(container.dataset.pdfScale ?? "0.8");
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const numPages = pdfDoc.numPages;
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const updateUI = () => {
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@@ -261,14 +263,14 @@
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const pageLabel = mkLabel("");
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const zoomOutBtn = mkBtn("−", "Zoom arrière", () => {
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currentScale = Math.max(0.5, currentScale - 0.2);
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currentScale = Math.max(0.5, currentScale - 0.05);
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container.dataset.pdfScale = String(currentScale);
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reRender(container, pdfDoc);
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updateUI();
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});
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const zoomInBtn = mkBtn("+", "Zoom avant", () => {
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currentScale = Math.min(3.0, currentScale + 0.2);
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currentScale = Math.min(3.0, currentScale + 0.05);
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container.dataset.pdfScale = String(currentScale);
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reRender(container, pdfDoc);
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updateUI();
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@@ -296,9 +298,8 @@
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updateUI();
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const canvases = container.querySelectorAll(".pdf-canvas");
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const onScroll = () => {
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const canvases = container.querySelectorAll(".pdf-canvas");
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const mid = container.scrollTop + container.clientHeight * 0.4;
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let best = 1;
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let bestDist = Infinity;
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@@ -352,14 +353,14 @@
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function reRender(container, pdfDoc) {
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if (container._onScroll) {
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container.removeEventListener("scroll", container._onScroll);
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container._onScroll = null;
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}
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container.querySelectorAll(".pdf-canvas").forEach((c) => {
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c.remove();
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});
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const oldToolbar = container.querySelector(".pdf-toolbar");
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if (oldToolbar) oldToolbar.remove();
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buildToolbar(container, pdfDoc);
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renderAllPages(container, pdfDoc);
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renderAllPages(container, pdfDoc).then(() => buildToolbar(container, pdfDoc));
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}
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// ── Bootstrap ──────────────────────────────────────────────────
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