script.js split work

javascript/imageviewer.js

@@ -0,0 +1,135 @@
+
+function closeModal() {
+  gradioApp().getElementById("lightboxModal").style.display = "none";
+}
+
+function showModal(event) {
+  var source = event.target || event.srcElement;
+  gradioApp().getElementById("modalImage").src = source.src
+  var lb = gradioApp().getElementById("lightboxModal")
+  lb.style.display = "block";
+  lb.focus()
+  event.stopPropagation()
+}
+
+function negmod(n, m) {
+  return ((n % m) + m) % m;
+}
+
+function modalImageSwitch(offset){
+  var galleryButtons = gradioApp().querySelectorAll(".gallery-item.transition-all")
+
+  if(galleryButtons.length>1){
+      var currentButton  = gradioApp().querySelector(".gallery-item.transition-all.\\!ring-2")
+
+      var result = -1
+      galleryButtons.forEach(function(v, i){ if(v==currentButton) { result = i } })
+
+      if(result != -1){
+        nextButton = galleryButtons[negmod((result+offset),galleryButtons.length)]
+        nextButton.click()
+        gradioApp().getElementById("modalImage").src = nextButton.children[0].src
+        setTimeout( function(){gradioApp().getElementById("lightboxModal").focus()},10)
+      }
+  }
+}
+
+function modalNextImage(event){
+  modalImageSwitch(1)
+  event.stopPropagation()
+}
+
+function modalPrevImage(event){
+  modalImageSwitch(-1)  
+  event.stopPropagation()
+}
+
+function modalKeyHandler(event){
+    switch (event.key) {
+        case "ArrowLeft":
+            modalPrevImage(event)
+            break;
+        case "ArrowRight":
+            modalNextImage(event)
+            break;
+    }
+}
+
+function showGalleryImage(){
+    setTimeout(function() {
+        fullImg_preview = gradioApp().querySelectorAll('img.w-full.object-contain')
+        
+        if(fullImg_preview != null){
+            fullImg_preview.forEach(function function_name(e) {
+                if(e && e.parentElement.tagName == 'DIV'){
+
+                    e.style.cursor='pointer'
+
+                    e.addEventListener('click', function (evt) {
+                      showModal(evt)
+
+                    },true);
+                }
+            });
+        }
+
+    }, 100);
+}
+
+function galleryImageHandler(e){
+    if(e && e.parentElement.tagName == 'BUTTON'){
+        e.onclick = showGalleryImage;
+    }
+}
+
+onUiUpdate(function(){
+	fullImg_preview = gradioApp().querySelectorAll('img.w-full')
+	    if(fullImg_preview != null){
+		fullImg_preview.forEach(galleryImageHandler);
+	}
+})
+
+document.addEventListener("DOMContentLoaded", function() {
+    const modalFragment = document.createDocumentFragment();
+    const modal = document.createElement('div')
+    modal.onclick = closeModal;
+    
+    const modalClose = document.createElement('span')
+    modalClose.className = 'modalClose cursor';
+    modalClose.innerHTML = '×'
+    modalClose.onclick = closeModal;
+    modal.id = "lightboxModal";
+    modal.tabIndex=0
+    modal.addEventListener('keydown', modalKeyHandler, true)
+    modal.appendChild(modalClose)
+
+    const modalImage = document.createElement('img')
+    modalImage.id = 'modalImage';
+    modalImage.onclick = closeModal;
+    modalImage.tabIndex=0
+    modalImage.addEventListener('keydown', modalKeyHandler, true)
+    modal.appendChild(modalImage)
+
+    const modalPrev = document.createElement('a')
+    modalPrev.className = 'modalPrev';
+    modalPrev.innerHTML = '❮'
+    modalPrev.tabIndex=0
+    modalPrev.addEventListener('click',modalPrevImage,true);
+    modalPrev.addEventListener('keydown', modalKeyHandler, true)
+    modal.appendChild(modalPrev)
+
+    const modalNext = document.createElement('a')
+    modalNext.className = 'modalNext';
+    modalNext.innerHTML = '❯'
+    modalNext.tabIndex=0
+    modalNext.addEventListener('click',modalNextImage,true);
+    modalNext.addEventListener('keydown', modalKeyHandler, true)
+
+    modal.appendChild(modalNext)
+
+
+    gradioApp().getRootNode().appendChild(modal)
+    
+    document.body.appendChild(modalFragment);
+	
+});