Update transcript-tracer.js

transcript-tracer.js

@@ -258,6 +258,11 @@ function linkTranscripts(mediaPlayer) {
       for (const word of document.querySelectorAll('.tt-word')) {
         word.addEventListener('click', handleWordClick);
       }
+
+      for (const word of document.querySelectorAll('.tt-word')) {
+        word.addEventListener('dblclick', handleWordDBClick);
+      }
+
     }
   }
 }
@@ -283,6 +288,11 @@ function unlinkTranscript(transcript) {
   for (const word of document.querySelectorAll('.tt-word')) {
     word.removeEventListener('click', handleWordClick);
   }
+
+  for (const word of document.querySelectorAll('.tt-word')) {
+    word.removeEventListener('dblclick', handleWordDBClick);
+  }
+
 }
 
 
@@ -485,4 +495,37 @@ function handleWordClick(e) {
   
 }
 
+// Handle when a word in the transcript with an event listener is clicked
+function handleDBWordClick(e) {
+  var wordElement = e.currentTarget;
+  var wordIndex = wordElement.dataset.ttWord;
+  var transcript = wordElement.closest('.tt-transcript');
+  var mediaUrl = transcript.dataset.ttCurrentMediaUrl;
+  var startSeconds = ttLinkedDataByMediaUrl[mediaUrl].wordTimings[wordIndex].startSeconds
+
+  ttLinkedDataByMediaUrl[mediaUrl].mediaElement.currentTime = startSeconds;
+
+  var ttData = ttLinkedDataByMediaUrl[mediaUrl];
+  
+  // Make sure the correct transcript is selected
+  if (!ttCurrentTranscript || ttCurrentTranscript.dataset.ttTranscript != ttData.transcriptIndex) {
+    ttCurrentTranscript = document.querySelector(`[data-tt-transcript="${ttData.transcriptIndex}"]`);
+  }
+
+  // Clear words that were highlighted from the previous event
+  clearHighlightedWords(ttCurrentTranscript);
+  
+  // Mark words
+  wordElement.classList.add('tt-current-word');
+
+  for (const wordElement of ttCurrentTranscript.getElementsByClassName('tt-word')) {
+    if (wordElement.classList.contains('tt-current-word')) break;
+    wordElement.classList.add('tt-previous-word');
+  }
+
+  // pause
+  ttActivePlayer.play()
+}
+
+
 loadTranscriptTracer({ blockSelector: null, phraseSelector: null, alignmentFuzziness: 0, timeOffset: 0, autoScroll: "word", clickable: true})