Create split

split

@@ -0,0 +1,80 @@
+
+/*
+© 2023 Samuel Bradshaw
+https://github.com/samuelbradshaw/transcript-tracer-js
+*/
+
+
+if (window.addEventListener) {
+    window.addEventListener("resize", browserResize);
+} else if (window.attachEvent) {
+    window.attachEvent("onresize", browserResize);
+}
+
+function browserResize() {
+    fixDragBtn();
+}
+
+var dragging = false;
+var stack;
+function fixDragBtn() {
+  var leftpadding, dragleft, buttonwidth
+
+  var containertop = Number(w3_getStyleValue(document.getElementById("container"), "top").replace("px", ""));
+
+    leftareasize = Number(w3_getStyleValue(document.getElementById("left-area-wrapper"), "width").replace("px", ""));
+    leftpadding = Number(w3_getStyleValue(document.getElementById("left-area"), "padding-left").replace("px", ""));
+    buttonwidth = Number(w3_getStyleValue(document.getElementById("dragbar"), "width").replace("px", ""));
+    leftareaheight = w3_getStyleValue(document.getElementById("left-area-wrapper"), "height");
+
+    dragleft = leftareasize + leftpadding + (leftpadding / 2) - (buttonwidth / 2);
+
+    document.getElementById("dragbar").style.width = "5px";
+    document.getElementById("dragbar").style.top = containertop + "px";
+    document.getElementById("dragbar").style.left = dragleft + "px";
+    document.getElementById("dragbar").style.height = leftareaheight;
+    document.getElementById("dragbar").style.cursor = "col-resize";
+}
+
+function dragstart(e) {
+  e.preventDefault();
+  dragging = true;
+}
+
+function dragmove(e) {
+  if (dragging)
+  {
+    document.getElementById("shield").style.display = "block";
+
+      var percentage = (e.pageX / window.innerWidth) * 100;
+      if (percentage > 5 && percentage < 98) {
+        var mainPercentage = 100-percentage;
+        document.getElementById("left-area-container").style.width = percentage + "%";
+        document.getElementById("right-area-container").style.width = mainPercentage + "%";
+        fixDragBtn();
+      }
+  }
+}
+
+function dragend() {
+  document.getElementById("shield").style.display = "none";
+  dragging = false;
+}
+
+if (window.addEventListener) {
+  document.getElementById("dragbar").addEventListener("mousedown", function(e) {dragstart(e);});
+  document.getElementById("dragbar").addEventListener("touchstart", function(e) {dragstart(e);});
+  window.addEventListener("mousemove", function(e) {dragmove(e);});
+  window.addEventListener("touchmove", function(e) {dragmove(e);});
+  window.addEventListener("mouseup", dragend);
+  window.addEventListener("touchend", dragend);
+  window.addEventListener("load", fixDragBtn);
+}
+
+function w3_getStyleValue(elmnt,style) {
+    if (window.getComputedStyle) {
+        return window.getComputedStyle(elmnt,null).getPropertyValue(style);
+    } else {
+        return elmnt.currentStyle[style];
+    }
+}