disable paste and buang sen at tebus

resources/views/penebusan/v2/index.blade.php

@@ -310,7 +310,7 @@
                                         <span>DUIT PELANGGAN (RM)</span>
                                         </div>
                                         <div class="col-8">
-                                            <input type="text" id="duitPelanggan" onkeyup="bayaranPelanggan(this)" placeholder="0.00" class="form-control"/>
+                                            <input type="text" id="duitPelanggan" onkeyup="bayaranPelanggan(this)"  onpaste="return false;" ondrop="return false;" onkeypress="return validateFloatKeyPressDuitPelanggan(this,event);" placeholder="0.00" class="form-control"/>
                                         </div>
                                     </div>
                                     <div class="form-group row" id="divbakiPelanggan">
@@ -3504,6 +3504,44 @@ function validateFloatKeyPress(el, evt) {
     return true;
 }
 
+function validateFloatKeyPressDuitPelanggan(el, evt) {
+
+    var charCode = (evt.which) ? evt.which : event.keyCode;
+    var number = el.value;
+    let keypress = evt.key;
+
+    // Split the current value by dot to check the number of decimal places
+    var numberParts = number.split('.');
+
+    // Check if the pressed key is a valid character for a floating-point number
+    if (charCode != 46 && charCode > 31 && (charCode < 48 || charCode > 57)) {
+            return false;
+        }
+
+    // Check if there is already a dot, and the pressed key is another dot
+    if (numberParts.length > 1 && charCode == 46) {
+            return false;
+        }
+
+    // Get the caret position in the input field
+    var caratPos = getSelectionStart(el);
+
+    // Get the position of the existing dot
+    var dotPos = el.value.indexOf(".");
+
+    // Check if the caret is after the existing dot, and there are more than 2 digits after the dot
+    if (caratPos > dotPos && dotPos > -1 && (numberParts[1] && numberParts[1].length > 1)) {
+            return false;
+        }
+
+    // If the last digit is not 5 or 0, disallow the input
+    if (numberParts[1] && numberParts[1].length === 1 && !['0', '5'].includes(keypress)) {
+            return false;
+        }
+
+        return true;
+    }
+
 function getSelectionStart(o) {
     if (o.createTextRange) {
         var r = document.selection.createRange().duplicate()