Moved scripts from .html files to seperate js .files (#191)

Let's hope everything works as before or better.

Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Reviewed-on: #191
Reviewed-by: Mikolaj Widla <widlam@noreply.example.com>

Frontend/assets/scripts/tools/xsd.js

@@ -0,0 +1,51 @@
+/**
+ * This function is executed after the page is loaded.
+ * 
+ * @function
+ * @name init
+ * @kind function
+ */
+function init() {
+    // Make sure that only plain text is pasted
+    configurePastingInElement("xmlArea");
+    configurePastingInElement("transformArea");
+
+    //Handle clicks in whole form and set info in tooltip
+    setDefaultContent(document.getElementById("xmlArea"), 'Insert XML here');
+    setDefaultContent(document.getElementById("transformArea"), 'Insert XSD here');
+    
+    // refreshTooltip();
+    processTooltip();
+    tool.addEventListener('click', event => {
+        //Check if script was called from textarea or selector
+        var targetID = event.target.getAttribute('id');
+        if (targetID !== "processors" && targetID !== "xmlArea" && targetID !== "transformArea" && targetID !== "versions") {
+            return;
+        }
+
+        processTooltip();
+        
+    })
+}
+
+/**
+ * The `processTooltip()` function is responsible for updating the display of the tooltip based on the selected version of the processor.
+ * It shows or hides different sections of the tooltip based on the selected version. 
+ * It also handles the click event on the form and updates the tooltip accordingly.
+ * 
+ * @function
+ * @name processTooltip
+ * @kind function
+ */
+function processTooltip() {
+
+    if (getProcessor() == "xalan") {
+        document.getElementById("tooltipFunctionInfo").innerText = "XSLT 1.0 functions";
+        document.getElementById("processorTooltipInfo").innerText = "Supports XSLT 1.0";
+        hideList(document.getElementsByName("collapse30"));
+    } else {
+        document.getElementById("tooltipFunctionInfo").innerText = "XSLT 1.0, 2.0 & 3.0 functions";
+        document.getElementById("processorTooltipInfo").innerText = "Supports XSLT up to 3.0";
+        showList(document.getElementsByName("collapse30"));
+    }
+}