mirror of
https://github.com/Theodor-Springmann-Stiftung/kgpz_web.git
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699 lines
24 KiB
JavaScript
699 lines
24 KiB
JavaScript
// ===========================
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// SINGLE PAGE VIEWER COMPONENT
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// ===========================
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// Single Page Viewer Web Component
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export class SinglePageViewer extends HTMLElement {
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constructor() {
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super();
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// No shadow DOM - use regular DOM to allow Tailwind CSS
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this.resizeObserver = null;
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}
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// Dynamically detect sidebar width in pixels
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detectSidebarWidth() {
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// Find the actual sidebar element in the current layout
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const sidebar = document.querySelector('.lg\\:w-1\\/4, .lg\\:w-1\\/3, [class*="lg:w-1/"]');
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if (sidebar) {
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const sidebarRect = sidebar.getBoundingClientRect();
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const sidebarWidth = sidebarRect.width;
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console.log("Detected sidebar width:", sidebarWidth, "px");
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return `${sidebarWidth}px`;
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}
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// Fallback: calculate based on viewport width and responsive breakpoints
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const viewportWidth = window.innerWidth;
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if (viewportWidth < 1024) {
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// Below lg breakpoint - no sidebar space needed
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return "0px";
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} else if (viewportWidth < 1280) {
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// lg breakpoint: assume 1/4 of viewport (similar to both layouts)
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return `${Math.floor(viewportWidth * 0.25)}px`;
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} else {
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// xl breakpoint: assume 1/5 of viewport (narrower on larger screens)
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return `${Math.floor(viewportWidth * 0.2)}px`;
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}
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}
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connectedCallback() {
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// Detect sidebar width dynamically
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const sidebarWidth = this.detectSidebarWidth();
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this.innerHTML = `
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<div class="fixed inset-0 z-50 flex pointer-events-none">
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<!-- Keep Inhaltsverzeichnis area empty/transparent (collapsible) -->
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<div id="sidebar-spacer" style="width: ${sidebarWidth};" class="flex-shrink-0 transition-all duration-300"></div>
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<!-- Cover the right columns with the zoomed view -->
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<div class="flex-1 bg-slate-50 overflow-auto pointer-events-auto">
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<div class="relative min-h-full flex flex-col">
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<!-- Header with page info and buttons -->
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<div class="sticky top-0 z-30 bg-slate-50 flex items-center justify-between p-4">
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<!-- Left: Sidebar toggle and page indicator -->
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<div class="flex items-center gap-3">
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<!-- Sidebar toggle button -->
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<button
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id="sidebar-toggle-btn"
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onclick="this.closest('single-page-viewer').toggleSidebar()"
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class="w-10 h-10 bg-slate-100 hover:bg-slate-200 text-slate-700 border border-slate-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer"
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title="Inhaltsverzeichnis ein-/ausblenden">
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<i class="ri-sidebar-fold-line text-lg font-bold"></i>
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</button>
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<!-- Page indicator with icon -->
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<div id="page-indicator" class="text-slate-800 flex items-center gap-3">
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<span id="page-icon" class="text-lg"></span>
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<span id="page-number" class="text-lg font-bold bg-blue-50 px-2 py-1 rounded flex items-center gap-1"></span>
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</div>
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</div>
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<!-- Right: Action buttons -->
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<div class="flex items-center gap-3">
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<!-- Previous page button -->
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<button
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id="prev-page-btn"
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onclick="this.closest('single-page-viewer').goToPreviousPage()"
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class="w-10 h-10 bg-gray-100 hover:bg-gray-200 text-gray-700 border border-gray-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer"
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title="Vorherige Seite">
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<i class="ri-arrow-left-line text-lg font-bold"></i>
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</button>
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<!-- Next page button -->
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<button
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id="next-page-btn"
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onclick="this.closest('single-page-viewer').goToNextPage()"
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class="w-10 h-10 bg-gray-100 hover:bg-gray-200 text-gray-700 border border-gray-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer"
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title="Nächste Seite">
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<i class="ri-arrow-right-line text-lg font-bold"></i>
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</button>
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<!-- Separator -->
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<div class="w-px h-6 bg-gray-300"></div>
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<!-- Share button -->
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<button
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id="share-btn"
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onclick="this.closest('single-page-viewer').shareCurrentPage()"
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class="w-10 h-10 bg-blue-100 hover:bg-blue-200 text-blue-700 border border-blue-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer"
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title="Link zu dieser Seite kopieren">
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<i class="ri-share-line text-lg font-bold"></i>
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</button>
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<!-- Cite button -->
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<button
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id="cite-btn"
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onclick="this.closest('single-page-viewer').generatePageCitation()"
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class="w-10 h-10 bg-green-100 hover:bg-green-200 text-green-700 border border-green-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer"
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title="Zitation für diese Seite generieren">
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<i class="ri-file-text-line text-lg font-bold"></i>
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</button>
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<!-- Close button -->
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<button
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onclick="this.closest('single-page-viewer').close()"
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class="w-10 h-10 bg-gray-100 hover:bg-gray-200 text-gray-700 border border-gray-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer"
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title="Schließen">
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<i class="ri-close-line text-lg font-bold"></i>
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</button>
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</div>
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</div>
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<!-- Image display container -->
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<div id="image-container" class="flex-1 flex items-center justify-center p-4 pb-8 overflow-auto">
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<img
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id="single-page-image"
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src=""
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alt=""
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class="rounded-lg shadow-2xl cursor-pointer select-none max-w-full max-h-full"
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title="Klicken zum Schließen"
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draggable="false"
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onclick="this.closest('single-page-viewer').close()"
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/>
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</div>
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</div>
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</div>
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</div>
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`;
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// Set up resize observer to handle window resizing
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this.setupResizeObserver();
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// Set up keyboard navigation
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this.setupKeyboardNavigation();
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}
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// Set up resize observer to dynamically update sidebar width
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setupResizeObserver() {
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// Clean up existing observer
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if (this.resizeObserver) {
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this.resizeObserver.disconnect();
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}
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// Create new resize observer
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this.resizeObserver = new ResizeObserver(() => {
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this.updateSidebarWidth();
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});
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// Observe window resizing by watching the document body
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this.resizeObserver.observe(document.body);
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}
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// Update sidebar width when window is resized
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updateSidebarWidth() {
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const sidebarSpacer = this.querySelector("#sidebar-spacer");
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if (sidebarSpacer && !sidebarSpacer.style.width.includes("0px")) {
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// Only update if sidebar is not collapsed (not 0px width)
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const newWidth = this.detectSidebarWidth();
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sidebarSpacer.style.width = newWidth;
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console.log("Updated sidebar width to:", newWidth);
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}
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}
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show(
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imgSrc,
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imgAlt,
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pageNumber,
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isBeilage = false,
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targetPage = 0,
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partNumber = null,
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extractedIconType = null,
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extractedHeading = null,
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) {
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const img = this.querySelector("#single-page-image");
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const pageNumberSpan = this.querySelector("#page-number");
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const pageIconSpan = this.querySelector("#page-icon");
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const pageIndicator = this.querySelector("#page-indicator");
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img.src = imgSrc;
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img.alt = imgAlt;
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// Store current page info for button actions
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this.currentPageNumber = pageNumber;
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this.currentIsBeilage = isBeilage;
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this.currentPartNumber = partNumber;
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// Use extracted heading or fallback to generated heading
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let headingText;
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if (extractedHeading) {
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headingText = extractedHeading;
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} else {
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// Fallback: generate heading text
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const issueContext = this.getIssueContext(pageNumber);
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headingText = issueContext ? `${issueContext}, ${pageNumber}` : `${pageNumber}`;
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}
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// Set page number with heading text in the box
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pageNumberSpan.innerHTML = headingText;
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// Add red dot if this is the target page
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if (targetPage && pageNumber === targetPage) {
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pageNumberSpan.style.position = "relative";
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// Remove any existing red dot
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const existingDot = pageNumberSpan.querySelector(".target-page-dot");
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if (existingDot) {
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existingDot.remove();
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}
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// Add new red dot
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const redDot = document.createElement("span");
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redDot.className =
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"target-page-dot absolute -top-1 -right-1 w-3 h-3 bg-red-500 rounded-full z-10";
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redDot.title = "verlinkte Seite";
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pageNumberSpan.appendChild(redDot);
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}
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// Use extracted icon type or fallback to generated icon
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if (extractedIconType) {
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if (extractedIconType === "part-number" && partNumber !== null) {
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// Piece view: Show part number instead of icon
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pageIconSpan.innerHTML = `<span class="part-number bg-slate-100 text-slate-800 font-bold px-1.5 py-0.5 rounded border border-slate-400 flex items-center justify-center">${partNumber}. Teil</span>`;
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} else {
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// Use icon type from Go templates
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pageIconSpan.innerHTML = this.generateIconFromType(extractedIconType);
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}
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} else {
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// Fallback: generate simple icon
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pageIconSpan.innerHTML = this.generateFallbackIcon(pageNumber, isBeilage, partNumber);
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}
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// Page indicator styling is now consistent (white background)
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// Update navigation button visibility
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this.updateNavigationButtons();
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this.style.display = "block";
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this.setAttribute("active", "true");
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// Scroll to top of the single page viewer (no smooth scrolling)
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const scrollContainer = this.querySelector(".flex-1.overflow-auto");
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if (scrollContainer) {
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scrollContainer.scrollTop = 0;
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}
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// Prevent background scrolling but allow scrolling within the viewer
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document.body.style.overflow = "hidden";
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// Dispatch event for scrollspy
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document.dispatchEvent(
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new CustomEvent("singlepageviewer:opened", {
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detail: { pageNumber: this.currentPageNumber, isBeilage: this.currentIsBeilage },
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}),
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);
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}
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close() {
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this.style.display = "none";
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this.removeAttribute("active");
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// Restore background scrolling
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document.body.style.overflow = "";
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// Dispatch event for scrollspy
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document.dispatchEvent(
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new CustomEvent("singlepageviewer:closed", {
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detail: { pageNumber: this.currentPageNumber, isBeilage: this.currentIsBeilage },
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}),
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);
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}
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disconnectedCallback() {
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// Clean up resize observer
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if (this.resizeObserver) {
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this.resizeObserver.disconnect();
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this.resizeObserver = null;
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}
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// Clean up keyboard event listeners
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if (this.keyboardHandler) {
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document.removeEventListener("keydown", this.keyboardHandler);
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this.keyboardHandler = null;
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}
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// Restore background scrolling
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document.body.style.overflow = "";
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}
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// Generate icon HTML from Go icon type - matches templating/engine.go PageIcon function
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generateIconFromType(iconType) {
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switch (iconType) {
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case "first":
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return `<i class="ri-file-text-line text-black text-lg" display: inline-block;"></i>`;
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case "last":
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return `<i class="ri-file-text-line text-black text-lg" style="transform: scaleX(-1); display: inline-block;"></i>`;
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case "even":
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return `<i class="ri-file-text-line text-black text-lg" style="margin-left: 1px; transform: scaleX(-1); display: inline-block;"></i><i class="ri-file-text-line text-slate-400 text-lg"></i>`;
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case "odd":
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return `<i class="ri-file-text-line text-slate-400 text-lg" style="margin-left: 1px; transform: scaleX(-1); display: inline-block;"></i><i class="ri-file-text-line text-black text-lg"></i>`;
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case "single":
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return `<i class="ri-file-text-line text-black text-lg"></i>`;
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default:
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return `<i class="ri-file-text-line text-black text-lg"></i>`;
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}
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}
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// Set up keyboard navigation
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setupKeyboardNavigation() {
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// Remove any existing listener to avoid duplicates
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if (this.keyboardHandler) {
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document.removeEventListener("keydown", this.keyboardHandler);
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}
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// Create bound handler
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this.keyboardHandler = (event) => {
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// Only handle keyboard events when the viewer is visible
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if (this.style.display === "none") return;
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switch (event.key) {
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case "ArrowLeft":
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event.preventDefault();
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this.goToPreviousPage();
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break;
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case "ArrowRight":
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event.preventDefault();
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this.goToNextPage();
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break;
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case "Escape":
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event.preventDefault();
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this.close();
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break;
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}
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};
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// Add event listener
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document.addEventListener("keydown", this.keyboardHandler);
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}
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// Share current page
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shareCurrentPage() {
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if (typeof copyPagePermalink === "function") {
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// Use the actual button element
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const shareBtn = this.querySelector("#share-btn");
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copyPagePermalink(this.currentPageNumber, shareBtn, this.currentIsBeilage);
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}
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}
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// Generate citation for current page
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generatePageCitation() {
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if (typeof generatePageCitation === "function") {
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// Use the actual button element
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const citeBtn = this.querySelector("#cite-btn");
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generatePageCitation(this.currentPageNumber, citeBtn);
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}
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}
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// Update navigation button visibility based on available pages
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updateNavigationButtons() {
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const prevBtn = this.querySelector("#prev-page-btn");
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const nextBtn = this.querySelector("#next-page-btn");
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const { prevPage, nextPage } = this.getAdjacentPages();
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// Enable/disable previous page button
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if (prevPage !== null) {
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prevBtn.disabled = false;
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prevBtn.className = prevBtn.className.replace("opacity-50 cursor-not-allowed", "");
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prevBtn.className = prevBtn.className.replace(
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"bg-gray-50 text-gray-400",
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"bg-gray-100 text-gray-700",
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);
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} else {
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prevBtn.disabled = true;
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if (!prevBtn.className.includes("opacity-50")) {
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prevBtn.className += " opacity-50 cursor-not-allowed";
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}
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prevBtn.className = prevBtn.className.replace(
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"bg-gray-100 text-gray-700",
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"bg-gray-50 text-gray-400",
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);
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}
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// Enable/disable next page button
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if (nextPage !== null) {
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nextBtn.disabled = false;
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nextBtn.className = nextBtn.className.replace("opacity-50 cursor-not-allowed", "");
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nextBtn.className = nextBtn.className.replace(
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"bg-gray-50 text-gray-400",
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"bg-gray-100 text-gray-700",
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);
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} else {
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nextBtn.disabled = true;
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if (!nextBtn.className.includes("opacity-50")) {
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nextBtn.className += " opacity-50 cursor-not-allowed";
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}
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nextBtn.className = nextBtn.className.replace(
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"bg-gray-100 text-gray-700",
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"bg-gray-50 text-gray-400",
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);
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}
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}
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// Get previous and next page numbers
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getAdjacentPages() {
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// Get all page containers of the same type (main or beilage)
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let containerSelector;
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containerSelector = ".newspaper-page-container";
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// if (this.currentIsBeilage) {
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// containerSelector = '.newspaper-page-container[data-beilage="true"]';
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// } else {
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// containerSelector = ".newspaper-page-container:not([data-beilage])";
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// }
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const pageContainers = Array.from(document.querySelectorAll(containerSelector));
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console.log(
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"Found containers:",
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pageContainers.length,
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"for",
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this.currentIsBeilage ? "beilage" : "main",
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);
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// Extract page numbers and sort them
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const allPages = pageContainers
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.map((container) => {
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const pageAttr = container.getAttribute("data-page-container");
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const pageNum = pageAttr ? parseInt(pageAttr) : null;
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console.log("Container page:", pageAttr, "parsed:", pageNum);
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return pageNum;
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})
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.filter((p) => p !== null);
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console.log("All pages found:", allPages);
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console.log("Current page:", this.currentPageNumber);
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const currentIndex = allPages.indexOf(this.currentPageNumber);
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console.log("Current index:", currentIndex);
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let prevPage = null;
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let nextPage = null;
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if (currentIndex > 0) {
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prevPage = allPages[currentIndex - 1];
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}
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if (currentIndex < allPages.length - 1) {
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nextPage = allPages[currentIndex + 1];
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}
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console.log("Adjacent pages - prev:", prevPage, "next:", nextPage);
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return { prevPage, nextPage };
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}
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// Navigate to previous page
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goToPreviousPage() {
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const { prevPage } = this.getAdjacentPages();
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if (prevPage !== null) {
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this.navigateToPage(prevPage);
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}
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}
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// Navigate to next page
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goToNextPage() {
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const { nextPage } = this.getAdjacentPages();
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if (nextPage !== null) {
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this.navigateToPage(nextPage);
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}
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}
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// Navigate to a specific page
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navigateToPage(pageNumber) {
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// Find the image element for the target page
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const containerSelector = this.currentIsBeilage
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? '.newspaper-page-container[data-beilage="true"]'
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: ".newspaper-page-container:not([data-beilage])";
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const targetContainer = document.querySelector(
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`${containerSelector}[data-page-container="${pageNumber}"]`,
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);
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if (targetContainer) {
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const imgElement = targetContainer.querySelector(".newspaper-page-image, .piece-page-image");
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if (imgElement) {
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// Determine part number for piece view
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let newPartNumber = null;
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if (this.currentPartNumber !== null) {
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// We're in piece view, try to find the part number for the new page
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newPartNumber = this.getPartNumberForPage(pageNumber);
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}
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// Extract icon type and heading for the new page
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let extractedIconType = null;
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let extractedHeading = null;
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// Extract icon type from data attribute
|
|
extractedIconType = targetContainer.getAttribute("data-page-icon-type");
|
|
|
|
// For piece view: check if part number should override icon
|
|
const partNumberElement = targetContainer.querySelector(".part-number");
|
|
if (partNumberElement) {
|
|
extractedIconType = "part-number";
|
|
}
|
|
|
|
// Extract heading text from page indicator
|
|
const pageIndicator = targetContainer.querySelector(".page-indicator");
|
|
if (pageIndicator) {
|
|
// Clone the page indicator to extract text without buttons/icons
|
|
const indicatorClone = pageIndicator.cloneNode(true);
|
|
// Remove any icons to get just the text
|
|
const icons = indicatorClone.querySelectorAll("i");
|
|
icons.forEach((icon) => icon.remove());
|
|
// Remove any link indicators
|
|
const linkIndicators = indicatorClone.querySelectorAll(
|
|
'[class*="target-page-dot"], .target-page-indicator',
|
|
);
|
|
linkIndicators.forEach((indicator) => indicator.remove());
|
|
extractedHeading = indicatorClone.textContent.trim();
|
|
}
|
|
|
|
// Update the current view with the new page
|
|
this.show(
|
|
imgElement.src,
|
|
imgElement.alt,
|
|
pageNumber,
|
|
this.currentIsBeilage,
|
|
0,
|
|
newPartNumber,
|
|
extractedIconType,
|
|
extractedHeading,
|
|
);
|
|
|
|
// Dispatch event for scrollspy to update highlighting
|
|
document.dispatchEvent(
|
|
new CustomEvent("singlepageviewer:pagechanged", {
|
|
detail: { pageNumber: this.currentPageNumber, isBeilage: this.currentIsBeilage },
|
|
}),
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get part number for a specific page in piece view
|
|
getPartNumberForPage(pageNumber) {
|
|
// Try to find the part number from the page container in piece view
|
|
const pageContainer = document.querySelector(`[data-page-container="${pageNumber}"]`);
|
|
if (pageContainer) {
|
|
const partNumberElement = pageContainer.querySelector(".part-number");
|
|
if (partNumberElement) {
|
|
// Extract just the number from "X. Teil" format
|
|
const match = partNumberElement.textContent.match(/(\d+)\./);
|
|
if (match) {
|
|
return parseInt(match[1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Fallback: if we can't find it, return null to show icon instead
|
|
return null;
|
|
}
|
|
|
|
// Legacy fallback icon generation (only used when extraction fails)
|
|
generateFallbackIcon(pageNumber, isBeilage, partNumber) {
|
|
if (partNumber !== null) {
|
|
// Piece view: Show part number instead of icon
|
|
return `<span class="part-number bg-slate-100 text-slate-800 font-bold px-1.5 py-0.5 rounded border border-slate-400 flex items-center justify-center">${partNumber}. Teil</span>`;
|
|
} else {
|
|
// Issue view: Simple fallback icon
|
|
const baseClass = "ri-file-text-line text-lg";
|
|
const iconColor = isBeilage ? "text-amber-600" : "text-black";
|
|
return `<i class="${baseClass} ${iconColor}"></i>`;
|
|
}
|
|
}
|
|
|
|
// Toggle sidebar visibility
|
|
toggleSidebar() {
|
|
const sidebarSpacer = this.querySelector("#sidebar-spacer");
|
|
const toggleBtn = this.querySelector("#sidebar-toggle-btn");
|
|
const toggleIcon = toggleBtn.querySelector("i");
|
|
|
|
// Check if sidebar is currently collapsed by looking at width
|
|
const currentWidth = sidebarSpacer.style.width;
|
|
const isCollapsed = currentWidth === "0px" || currentWidth === "0";
|
|
|
|
console.log("Current state - isCollapsed:", isCollapsed);
|
|
console.log("Current width:", currentWidth);
|
|
|
|
if (isCollapsed) {
|
|
// Sidebar is collapsed, expand it
|
|
const fullWidth = this.detectSidebarWidth();
|
|
sidebarSpacer.style.width = fullWidth;
|
|
|
|
// Update button to normal state (sidebar visible)
|
|
toggleBtn.className =
|
|
"w-10 h-10 bg-slate-100 hover:bg-slate-200 text-slate-700 border border-slate-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer";
|
|
toggleIcon.className = "ri-sidebar-fold-line text-lg font-bold";
|
|
toggleBtn.title = "Inhaltsverzeichnis ausblenden";
|
|
console.log("Expanding sidebar to:", fullWidth);
|
|
} else {
|
|
// Sidebar is expanded, collapse it
|
|
sidebarSpacer.style.width = "0px";
|
|
|
|
// Update button to active state (sidebar hidden - orange highlight)
|
|
toggleBtn.className =
|
|
"w-10 h-10 bg-orange-100 hover:bg-orange-200 text-orange-700 border border-orange-300 rounded flex items-center justify-center transition-colors duration-200 cursor-pointer";
|
|
toggleIcon.className = "ri-sidebar-unfold-line text-lg font-bold";
|
|
toggleBtn.title = "Inhaltsverzeichnis einblenden";
|
|
console.log("Collapsing sidebar");
|
|
}
|
|
|
|
console.log("New width:", sidebarSpacer.style.width);
|
|
}
|
|
|
|
// Extract issue context from document title, URL, or page container
|
|
getIssueContext(pageNumber) {
|
|
// Determine if we're in a piece view (beitrag) or issue view (ausgabe)
|
|
const path = window.location.pathname;
|
|
const isPieceView = path.includes("/beitrag/");
|
|
|
|
if (isPieceView) {
|
|
// For piece view: Return full format "1765 Nr. 2"
|
|
// Try to get context from page container first (for piece view)
|
|
const pageContainer = document.querySelector(`[data-page-container="${pageNumber}"]`);
|
|
if (pageContainer) {
|
|
// Look for existing page indicator with context
|
|
const pageIndicator = pageContainer.querySelector(".page-indicator");
|
|
if (pageIndicator) {
|
|
const text = pageIndicator.textContent.trim();
|
|
// Extract full date and issue from text like "3.7.1767 Nr. 53, 213"
|
|
const fullDateMatch = text.match(/(\d{1,2}\.\d{1,2}\.\d{4}\s+Nr\.\s+\d+)/);
|
|
if (fullDateMatch) {
|
|
return fullDateMatch[1];
|
|
}
|
|
// Fallback: Extract year and issue from text like "1768 Nr. 20, 79"
|
|
const yearMatch = text.match(/(\d{4})\s+Nr\.\s+(\d+)/);
|
|
if (yearMatch) {
|
|
return `${yearMatch[1]} Nr. ${yearMatch[2]}`;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Fallback: Try to extract from document title
|
|
const title = document.title;
|
|
const titleMatch = title.match(/(\d{4}).*Nr\.\s*(\d+)/);
|
|
if (titleMatch) {
|
|
return `${titleMatch[1]} Nr. ${titleMatch[2]}`;
|
|
}
|
|
} else {
|
|
// For issue view: Return just empty string (page number only)
|
|
return "";
|
|
}
|
|
|
|
// Final fallback: Try to extract from URL path
|
|
const urlMatch = path.match(/\/(\d{4})\/(\d+)/);
|
|
if (urlMatch) {
|
|
return isPieceView ? `${urlMatch[1]} Nr. ${urlMatch[2]}` : "";
|
|
}
|
|
|
|
// Fallback - try to get from any visible page context
|
|
const anyPageIndicator = document.querySelector(".page-indicator");
|
|
if (anyPageIndicator) {
|
|
const text = anyPageIndicator.textContent.trim();
|
|
const match = text.match(/(\d{4})\s+Nr\.\s+(\d+)/);
|
|
if (match) {
|
|
return `${match[1]} Nr. ${match[2]}`;
|
|
}
|
|
}
|
|
|
|
// Ultimate fallback
|
|
return "KGPZ";
|
|
}
|
|
}
|
|
|
|
// Register the web component
|
|
customElements.define("single-page-viewer", SinglePageViewer);
|
|
|
|
// Clean up single page viewer on HTMX navigation
|
|
document.body.addEventListener("htmx:beforeRequest", function (event) {
|
|
// Find any active single page viewer
|
|
const viewer = document.querySelector("single-page-viewer");
|
|
if (viewer && viewer.style.display !== "none") {
|
|
console.log("Cleaning up single page viewer before HTMX navigation");
|
|
viewer.close();
|
|
}
|
|
});
|
|
|
|
// Also clean up on page unload as fallback
|
|
window.addEventListener("beforeunload", function () {
|
|
const viewer = document.querySelector("single-page-viewer");
|
|
if (viewer) {
|
|
viewer.close();
|
|
}
|
|
});
|