DAB: Implement audio link clips (#930)

* TEMP: found where to process audio-link

* Update to clickable icon to play audio

* Fix position of audio icon

* Switch audio UI element from anchor to button

Author: chrisvire

src/lib/lexicon/components/EntryView.svelte

@@ -10,6 +10,12 @@
     } from '$lib/data/stores/lexicon.svelte';
     import type { SqlValue } from 'sql.js';
 
+    const clips = import.meta.glob('./*', {
+        import: 'default',
+        eager: true,
+        base: '/src/gen-assets/clips'
+    }) as Record<string, string>;
+
     interface Props {
         wordIds: number[] | null;
         onSelectWord: (word: SelectedWord) => void;
@@ -27,7 +33,6 @@
             const dynamicQuery = wordIds.map(() => `id = ?`).join(' OR ');
             const dynamicParams = wordIds.map((id) => id);
             const results = db.exec(`SELECT xml FROM entries WHERE ${dynamicQuery}`, dynamicParams);
-            console.log('results:', results[0].values);
 
             return results[0].values;
         } catch (error) {
@@ -42,6 +47,9 @@
         const parser = new DOMParser();
         const xmlDoc = parser.parseFromString(xmlString, 'text/xml');
 
+        // Collect audio elements to add at the end
+        let audioElements = '';
+
         const parseError = xmlDoc.querySelector('parsererror');
         if (parseError) {
             console.error('XML parsing error:', parseError.textContent);
@@ -89,6 +97,17 @@
 
                         output += `<span class="clickable cursor-pointer" style="background-color: var(--BackgroundColor);" data-word="${word}" data-index="${index}" data-homonym="${homonymIndex}">${linkText}</span>`;
                     }
+                } else if (node.tagName === 'audio-link' && node.hasAttribute('src')) {
+                    // Handle audio-link tag - create audio element and clickable link
+                    const audioFile = node.getAttribute('src');
+                    const src = clips[`./${audioFile}`] ?? 'clips/' + audioFile;
+                    const audioId = 'audio-' + Math.random().toString(36).substr(2, 9); // Generate unique ID
+
+                    // Collect audio element to add at the very end
+                    audioElements += `<audio id="${audioId}" src="${src}" preload="auto" style="display: none;"></audio>`;
+
+                    // Add just the inline clickable icon - no audio element here
+                    output += `<button type="button" class="audio-link" data-audio-id="${audioId}" aria-label="Play audio" style="display: inline-block; vertical-align: middle; margin: 0 2px; width: 24px; height: 24px; overflow: visible;"><svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" style="display: block; overflow: visible;"><path d="M14 20.725v-2.05q2.25-.65 3.625-2.5t1.375-4.2q0-2.35-1.375-4.2T14 5.275v-2.05q3.1.7 5.05 3.137Q21 8.8 21 11.975q0 3.175-1.95 5.612-1.95 2.438-5.05 3.138ZM3 15V9h4l5-5v16l-5-5Zm11 1V7.95q1.175.55 1.838 1.65.662 1.1.662 2.4q0 1.275-.662 2.362Q15.175 15.45 14 16Z"/></svg></button>`;
                 } else {
                     output += `<${node.tagName}`;
                     for (let attr of node.attributes) {
@@ -123,7 +142,7 @@
             return output;
         }
 
-        return processNode(xmlDoc.documentElement);
+        return processNode(xmlDoc.documentElement) + audioElements;
     }
 
     async function updateXmlData() {
@@ -166,6 +185,17 @@
                 });
             });
         });
+
+        const audioButtons = document.querySelectorAll('.audio-link');
+        audioButtons.forEach((button) => {
+            button.addEventListener('click', () => {
+                const audioId = button.getAttribute('data-audio-id');
+                const audioElement = document.getElementById(audioId) as HTMLAudioElement;
+                if (audioElement) {
+                    audioElement.play();
+                }
+            });
+        });
     }
 
     function applyStyles() {