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adventskalender/shared/js/position.js aktualisiert

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Thomas Dannenberg
2025-11-04 10:48:45 +00:00
parent ff3fefbbcd
commit 57541382f7
1 changed files with 22 additions and 43 deletions
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adventskalender/shared/js/position.js
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@@ -1,55 +1,34 @@
/** /**
* Bratonien Adventskalender – Türchen-Positionierung * Bratonien Adventskalender – Türchen-Positionierung (2025)
* -------------------------------------------------- * ---------------------------------------------------------
* Dieses Skript sorgt dafür, dass sich jedes .door-Element * Liest data-top / data-left / data-width aus jedem .door
* exakt relativ zum sichtbaren Kalenderbild positioniert. * und positioniert die Elemente exakt auf dem sichtbaren Bild.
*
* Autor: Bratonien Development
* Stand: 2025
*/ */
/** function positionAllDoors() {
* Positioniert ein einzelnes Türchen auf Basis prozentualer Angaben. const container = document.querySelector('.kalenderbild');
* const img = container?.querySelector('img');
* @param {string} selector - CSS-Selektor des Türchens (z. B. ".door" oder ".door[data-day='1']") if (!container || !img) return;
* @param {number} topPct - vertikale Position in Prozent (0–100) bezogen auf das Bild
* @param {number} leftPct - horizontale Position in Prozent (0–100) bezogen auf das Bild
* @param {number} widthPct - Breite des Türchens in Prozent der Bildbreite
*/
function positionDoor(selector, topPct, leftPct, widthPct) {
const img = document.querySelector('.kalenderbild img');
const cont = document.querySelector('.kalenderbild');
const door = document.querySelector(selector);
if (!img || !cont || !door) return;
const imgRect = img.getBoundingClientRect(); const imgRect = img.getBoundingClientRect();
const contRect = cont.getBoundingClientRect(); const contRect = container.getBoundingClientRect();
const doorWidth = imgRect.width * (widthPct / 100);
door.style.position = 'absolute'; // alle Türen neu berechnen
door.style.width = doorWidth + 'px'; document.querySelectorAll('.door').forEach(door => {
door.style.height = doorWidth + 'px'; const topPct = parseFloat(door.dataset.top) || 0;
door.style.top = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px'; const leftPct = parseFloat(door.dataset.left) || 0;
door.style.left = (imgRect.left - contRect.left + imgRect.width * (leftPct / 100)) + 'px'; const widthPct = parseFloat(door.dataset.width) || 10;
}
/** const doorWidth = imgRect.width * (widthPct / 100);
* Positioniert automatisch alle Türchen mit data-pos-Attribut.
* Beispiel: door.style.position = 'absolute';
* <div class="door" data-day="1" data-top="20" data-left="15" data-width="10">1</div> door.style.width = doorWidth + 'px';
*/ door.style.height = doorWidth + 'px';
function positionAllDoors() { door.style.top = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px';
const doors = document.querySelectorAll('.door'); door.style.left = (imgRect.left - contRect.left + imgRect.width * (leftPct / 100)) + 'px';
doors.forEach(door => {
const t = parseFloat(door.dataset.top) || 0;
const l = parseFloat(door.dataset.left) || 0;
const w = parseFloat(door.dataset.width) || 10;
const selector = `.door[data-day='${door.dataset.day || ''}']`;
positionDoor(selector, t, l, w);
}); });
} }
/* === Events === */ // Positionierung bei Start und Fensteränderung
window.addEventListener('load', positionAllDoors); window.addEventListener('load', positionAllDoors);
window.addEventListener('resize', positionAllDoors); window.addEventListener('resize', positionAllDoors);