HW start

2024-05-24 13:46:06 +02:00
parent f394538776
commit cceab89523
14 changed files with 134 additions and 15 deletions
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <?php include_once "../../base/meta.php" ?>
+
+  <title>Colour Selector</title>
+
+  <script src="./js/formValidation.js"></script>
+
+  <?php
+  // PHP
+  include_once "../../base/settings.php";
+  include_once "../../base/headers.php";
+
+  if (isset($_POST["colour"])) {
+    $colour = $_POST["colour"];
+
+    if (preg_match("^#([0-9A-Fa-f]{3,4}|[0-9A-Fa-f]{6}|[0-9A-Fa-f]{8})$", $colour) === false) {
+      $error = "Invalid hex colour";
+    }
+  }
+
+  Headers::html();
+  ?>
+</head>
+
+<body style="background-color: <?=$colour?>">
+
+  <div class="form-check form-switch m-3">
+    <input class="form-check-input" type="checkbox" role="switch" id="clientSideValidate">
+    <label class="form-check-label" for="clientSideValidate">Use Client Side Validation</label>
+  </div>
+  <form method="post" class="needs-validation row m-0" novalidate>
+    <div class="mb-3">
+      <label class="form-label" for="colour">Colour Code</label>
+      <input class="form-control" id="colour" name="colour" required pattern="^#([0-9A-Fa-f]{3,4}|[0-9A-Fa-f]{6}|[0-9A-Fa-f]{8})$" />
+      <div class="invalid-feedback">
+        Please enter valid hex colour code
+      </div>
+    </div>
+    <button class="btn btn-primary mt-3" name="firstLoad" value="0">Berechnen</button>
+  </form>
+</body>
+
+</html>
@@ -0,0 +1,33 @@
+"use strict";
+
+document.addEventListener("DOMContentLoaded", () => {
+  const _switch = document.getElementById("clientSideValidate");
+  _switch.addEventListener("change", () =>
+    _switch.checked ? addValidation() : removeValidation()
+  );
+});
+
+const handler = (event) => {
+  if (!event.target.checkValidity()) {
+    event.preventDefault();
+    event.stopPropagation();
+  }
+
+  event.target.classList.add("was-validated");
+};
+
+const addValidation = () => {
+  const forms = document.querySelectorAll(".needs-validation");
+
+  Array.from(forms).forEach((form) => {
+    form.addEventListener("submit", handler, false);
+  });
+};
+
+const removeValidation = () => {
+  const forms = document.querySelectorAll(".needs-validation");
+
+  Array.from(forms).forEach((form) => {
+    form.removeEventListener("submit", handler, false);
+  });
+};