Zwischenstand vom 29.05.2026

packages/vitec/Resources/Public/Icons/vitec-container.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
+  <rect x="1.5" y="2.5" width="13" height="11" rx="1" fill="none" stroke="#000" stroke-width="1.2"/>
+  <rect x="3.5" y="4.5" width="9" height="2.2" rx="0.3" fill="#000" opacity="0.55"/>
+  <rect x="3.5" y="7.6" width="9" height="2.2" rx="0.3" fill="#000" opacity="0.35"/>
+  <rect x="3.5" y="10.7" width="9" height="1.6" rx="0.3" fill="#000" opacity="0.2"/>
+</svg>

packages/vitec/Resources/Public/Icons/vitec-ogimage.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="none">
+  <rect x="1" y="3" width="14" height="10" rx="1.5" fill="#e63946"/>
+  <rect x="1" y="3" width="14" height="10" rx="1.5" stroke="#c1121f" stroke-width="0.5"/>
+  <text x="2" y="10.5" font-size="4.5" font-family="sans-serif" fill="#fff" font-weight="bold">OG</text>
+  <circle cx="11.5" cy="6.5" r="2" fill="#fff" opacity="0.9"/>
+  <polyline points="1,11 5,7 8,9.5 11,6 15,10" stroke="#fff" stroke-width="1" fill="none" stroke-linejoin="round"/>
+</svg>

packages/vitec/Resources/Public/Javascript/og-image-preview.js

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+/**
+ * OG Image Backend Module – live preview via AJAX
+ * EXT:vitec/Resources/Public/Javascript/og-image-preview.js
+ */
+(function () {
+    'use strict';
+
+    /** Debounce helper */
+    function debounce(fn, ms) {
+        let t;
+        return function (...args) {
+            clearTimeout(t);
+            t = setTimeout(() => fn.apply(this, args), ms);
+        };
+    }
+
+    /** Collect all form values into a FormData-compatible plain object */
+    function collectFormData() {
+        const form = document.getElementById('vitecOgForm');
+        if (!form) return {};
+        const fd = new FormData(form);
+        const out = {};
+        for (const [key, val] of fd.entries()) {
+            // key looks like "ogimage[something]"
+            const match = key.match(/^ogimage\[(.+)]$/);
+            if (match) {
+                out[key] = val;
+            }
+        }
+        return out;
+    }
+
+    /** POST to the preview endpoint, update the <img> */
+    async function requestPreview() {
+        const form = document.getElementById('vitecOgForm');
+        const spinner = document.getElementById('previewSpinner');
+        const img     = document.getElementById('ogPreviewImg');
+        const placeholder = document.getElementById('ogPreviewPlaceholder');
+        const dl      = document.getElementById('previewDownload');
+
+        if (!form) return;
+
+        if (spinner) spinner.classList.remove('d-none');
+
+        try {
+            const body = new URLSearchParams(collectFormData());
+            const previewUrl = form.dataset.previewUrl || window.location.href;
+
+            const resp = await fetch(previewUrl, {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+                body: body.toString(),
+            });
+
+            if (!resp.ok) throw new Error('Server error ' + resp.status);
+
+            const json = await resp.json();
+
+            if (json.success && json.dataUri) {
+                img.src = json.dataUri;
+                img.style.display = 'block';
+                if (placeholder) placeholder.style.display = 'none';
+
+                if (dl) {
+                    dl.href = json.dataUri;
+                    dl.classList.remove('d-none');
+                }
+            } else {
+                console.warn('[OG Preview]', json.message);
+            }
+        } catch (e) {
+            console.error('[OG Preview] fetch failed:', e);
+        } finally {
+            if (spinner) spinner.classList.add('d-none');
+        }
+    }
+
+    const debouncedPreview = debounce(requestPreview, 600);
+
+    // ── Wire up events once DOM is ready ──────────────────────────────
+
+    document.addEventListener('DOMContentLoaded', function () {
+
+        // Manual preview button
+        const btn = document.getElementById('btnPreview');
+        if (btn) {
+            btn.addEventListener('click', requestPreview);
+        }
+
+        // Auto-preview on any .js-live input change
+        document.querySelectorAll('.js-live').forEach(function (el) {
+            el.addEventListener('input',  debouncedPreview);
+            el.addEventListener('change', debouncedPreview);
+        });
+
+        // Background type toggle (show colour vs image picker)
+        function syncBgType() {
+            const colorWrap = document.getElementById('bg-color-wrap');
+            const imageWrap = document.getElementById('bg-image-wrap');
+            const selected  = document.querySelector('input.js-bg-type:checked');
+            if (!selected) return;
+            if (selected.value === 'image') {
+                colorWrap && (colorWrap.style.display = 'none');
+                imageWrap && (imageWrap.style.display = 'block');
+            } else {
+                colorWrap && (colorWrap.style.display = 'block');
+                imageWrap && (imageWrap.style.display = 'none');
+            }
+        }
+
+        document.querySelectorAll('input.js-bg-type').forEach(function (el) {
+            el.addEventListener('change', function () {
+                syncBgType();
+                debouncedPreview();
+            });
+        });
+
+        const bgImageSelect = document.querySelector('select[name="ogimage[bg_image]"]');
+        if (bgImageSelect) {
+            bgImageSelect.addEventListener('change', function () {
+                const imageTypeRadio = document.querySelector('input.js-bg-type[value="image"]');
+                if (imageTypeRadio) {
+                    imageTypeRadio.checked = true;
+                }
+                syncBgType();
+                requestPreview();
+            });
+        }
+
+        syncBgType(); // initialise on load
+
+        // Hex text ↔ colour picker sync
+        document.querySelectorAll('.js-hex-sync').forEach(function (hexInput) {
+            const targetId = hexInput.dataset.target;
+            const picker   = document.getElementById(targetId);
+            if (!picker) return;
+
+            picker.addEventListener('input', function () {
+                hexInput.value = picker.value;
+            });
+
+            hexInput.addEventListener('input', function () {
+                const val = hexInput.value.trim();
+                if (/^#[0-9a-fA-F]{6}$/.test(val)) {
+                    picker.value = val;
+                    picker.dispatchEvent(new Event('input', { bubbles: true }));
+                }
+            });
+        });
+
+        // Preset buttons
+        document.querySelectorAll('.js-preset').forEach(function (btn) {
+            btn.addEventListener('click', function () {
+                const bg = btn.dataset.bg;
+                const tc = btn.dataset.titleColor;
+                const sc = btn.dataset.subtitleColor;
+
+                const bgInput = document.getElementById('bgColor');
+                if (bgInput && bg) { bgInput.value = bg; bgInput.dispatchEvent(new Event('input', {bubbles:true})); }
+
+                const tInput = document.getElementById('titleColor');
+                if (tInput && tc) { tInput.value = tc; tInput.dispatchEvent(new Event('input', {bubbles:true})); }
+
+                const sInput = document.getElementById('subtitleColor');
+                if (sInput && sc) { sInput.value = sc; sInput.dispatchEvent(new Event('input', {bubbles:true})); }
+
+                debouncedPreview();
+            });
+        });
+
+    });
+
+})();