adventskalender/shared/js/position.js hinzugefügt
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adventskalender/shared/js/position.js
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adventskalender/shared/js/position.js
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/**
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* Bratonien Adventskalender – Türchen-Positionierung
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* --------------------------------------------------
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* Dieses Skript sorgt dafür, dass sich jedes .door-Element
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* exakt relativ zum sichtbaren Kalenderbild positioniert.
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*
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* Autor: Bratonien Development
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* Stand: 2025
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*/
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/**
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* Positioniert ein einzelnes Türchen auf Basis prozentualer Angaben.
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*
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* @param {string} selector - CSS-Selektor des Türchens (z. B. ".door" oder ".door[data-day='1']")
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* @param {number} topPct - vertikale Position in Prozent (0–100) bezogen auf das Bild
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* @param {number} leftPct - horizontale Position in Prozent (0–100) bezogen auf das Bild
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* @param {number} widthPct - Breite des Türchens in Prozent der Bildbreite
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*/
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function positionDoor(selector, topPct, leftPct, widthPct) {
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const img = document.querySelector('.kalenderbild img');
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const cont = document.querySelector('.kalenderbild');
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const door = document.querySelector(selector);
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if (!img || !cont || !door) return;
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const imgRect = img.getBoundingClientRect();
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const contRect = cont.getBoundingClientRect();
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const doorWidth = imgRect.width * (widthPct / 100);
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door.style.position = 'absolute';
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door.style.width = doorWidth + 'px';
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door.style.height = doorWidth + 'px';
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door.style.top = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px';
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door.style.left = (imgRect.left - contRect.left + imgRect.width * (leftPct / 100)) + 'px';
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}
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/**
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* Positioniert automatisch alle Türchen mit data-pos-Attribut.
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* Beispiel:
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* <div class="door" data-day="1" data-top="20" data-left="15" data-width="10">1</div>
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*/
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function positionAllDoors() {
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const doors = document.querySelectorAll('.door');
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doors.forEach(door => {
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const t = parseFloat(door.dataset.top) || 0;
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const l = parseFloat(door.dataset.left) || 0;
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const w = parseFloat(door.dataset.width) || 10;
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const selector = `.door[data-day='${door.dataset.day || ''}']`;
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positionDoor(selector, t, l, w);
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});
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}
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/* === Events === */
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window.addEventListener('load', positionAllDoors);
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window.addEventListener('resize', positionAllDoors);
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