CodePen Embed - pmEayg

<!DOCTYPE html>

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>БД «Студент»</title>
  <link rel="shortcut icon" href="img/favicon.png" type="image/png">
  <link href="css/normalize.css" rel="stylesheet">
  <link href="https://fonts.googleapis.com/css?family=Asap" rel="stylesheet">
  <link href="css/styles.css" rel="stylesheet">
</head>

<body>
  <header class="header">
    <div class="container">
      <div class="header-title">
        <div class="header-title_logo">
          <img src="img/icon_header.png" alt="Лого сайта">
        </div>
        БД «Студент»
      </div>
      <div class="nav-wrapper">
        <nav class="nav">
          <ul>
            <li><a href="#" class="btn-viewing">Просмотр</a></li>
            <li><a href="#" class="btn-remove">Удаление</a></li>
            <li><a href="#" class="btn-search">Поиск</a></li>
            <li><a href="#" class="btn-change">Корректировка</a></li>
            <li><a href="#" class="btn-charts">Диаграммы</a></li>
            <li><a href="#" class="btn-other">Прочее</a></li>
          </ul>
        </nav>
      </div>
    </div>
    </div>
  </header>

  <main class="main-container">
    <form action="php/data_processing.php" method="POST" class="form">
      <div class="form-wrapper">
        <div class="input-wrapper">
          <label for="name"></label>
          <input class="item-input name" id="name" name="fullName" placeholder="ФИО">
        </div>
        <div class="input-wrapper">
          <label for="date"></label>
          <input type="number" class="item-input date" id="date"  name="date" placeholder="Год рождения">
        </div>
        <div class="input-wrapper">
          <label for="home-adress"></label>
          <input class="item-input home-adress" id="home-adress"  name="home_adress" placeholder="Домашний адрес">
        </div>
        <div class="input-wrapper">
          <label for="faculty"></label>
          <input class="item-input faculty" id="faculty"  name="faculty" placeholder="Факультет">
        </div>
        <div class="input-wrapper">
          <label for="specialty"></label>
          <input class="item-input specialty" id="specialty"  name="specialty" placeholder="Специальность">
        </div>
        <div class="input-wrapper">
          <label for="course"></label>
          <input type="number" class="item-input course" id="course"  name="course" placeholder="Курс">
        </div>
        <div class="input-wrapper">
          <label for="university"></label>
          <input class="item-input university" id="university"  name="university" placeholder="ВУЗ">
        </div>
        <div class="sumbit-wrapper">
          <label for="submit"></label>
          <input type="submit" class="btn-submit" id="submit" disabled>
        </div>
      </div>
    </form>
  </main>

  <div class="showcontent-wrap hide">
    <h1>Содержимое БД</h1>
    <div class="choose-studen-wrap">
      <div class="choose-navigation">
        <select class="choose-student">
        </select>
        <button class="btn-showbd">Показать</button>
      </div>
      <div class="showbd">
        <input class="item-output name" disabled>
        <input class="item-output date" disabled>
        <input class="item-output home-adress" disabled>
        <input class="item-output faculty" disabled>
        <input class="item-output specialty" disabled>
        <input class="item-output course" disabled>
        <input class="item-output university" disabled>
      </div>
    </div>
  </div>

  <div class="modal-wrapper hide">
    <div class="upper-modal">
      <div class="pictureModal">
        <img src="img/warning.png" alt="">
        <div class="messange-modal">
          <p>В базе данных нет студентов!</p>
        </div>
      </div>
    </div>
    <div class="lower-modal">
      <button class="btn-close">ОК</button>
    </div>
  </div>
  <script src="script/external.js"></script>
</body>

</html>

/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

 html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
  }
  
  /* Sections
   ========================================================================== */
  
  /**
   * Remove the margin in all browsers.
   */
  
  body {
  margin: 0;
  }
  
  /**
   * Render the `main` element consistently in IE.
   */
  
  main {
  display: block;
  }
  
  /**
   * Correct the font size and margin on `h1` elements within `section` and
   * `article` contexts in Chrome, Firefox, and Safari.
   */
  
  h1 {
  font-size: 2em;
  margin: 0.67em 0;
  }
  
  /* Grouping content
   ========================================================================== */
  
  /**
   * 1. Add the correct box sizing in Firefox.
   * 2. Show the overflow in Edge and IE.
   */
  
  hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
  }
  
  /**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */
  
  pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
  }
  
  /* Text-level semantics
   ========================================================================== */
  
  /**
   * Remove the gray background on active links in IE 10.
   */
  
  a {
  background-color: transparent;
  }
  
  /**
   * 1. Remove the bottom border in Chrome 57-
   * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
   */
  
  abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
  }
  
  /**
   * Add the correct font weight in Chrome, Edge, and Safari.
   */
  
  b,
  strong {
  font-weight: bolder;
  }
  
  /**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */
  
  code,
  kbd,
  samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
  }
  
  /**
   * Add the correct font size in all browsers.
   */
  
  small {
  font-size: 80%;
  }
  
  /**
   * Prevent `sub` and `sup` elements from affecting the line height in
   * all browsers.
   */
  
  sub,
  sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
  }
  
  sub {
  bottom: -0.25em;
  }
  
  sup {
  top: -0.5em;
  }
  
  /* Embedded content
   ========================================================================== */
  
  /**
   * Remove the border on images inside links in IE 10.
   */
  
  img {
  border-style: none;
  }
  
  /* Forms
   ========================================================================== */
  
  /**
   * 1. Change the font styles in all browsers.
   * 2. Remove the margin in Firefox and Safari.
   */
  
  button,
  input,
  optgroup,
  select,
  textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
  }
  
  /**
   * Show the overflow in IE.
   * 1. Show the overflow in Edge.
   */
  
  button,
  input { /* 1 */
  overflow: visible;
  }
  
  /**
   * Remove the inheritance of text transform in Edge, Firefox, and IE.
   * 1. Remove the inheritance of text transform in Firefox.
   */
  
  button,
  select { /* 1 */
  text-transform: none;
  }
  
  /**
   * Correct the inability to style clickable types in iOS and Safari.
   */
  
  button,
  [type="button"],
  [type="reset"],
  [type="submit"] {
  -webkit-appearance: button;
  }
  
  /**
   * Remove the inner border and padding in Firefox.
   */
  
  button::-moz-focus-inner,
  [type="button"]::-moz-focus-inner,
  [type="reset"]::-moz-focus-inner,
  [type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
  }
  
  /**
   * Restore the focus styles unset by the previous rule.
   */
  
  button:-moz-focusring,
  [type="button"]:-moz-focusring,
  [type="reset"]:-moz-focusring,
  [type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
  }
  
  /**
   * Correct the padding in Firefox.
   */
  
  fieldset {
  padding: 0.35em 0.75em 0.625em;
  }
  
  /**
   * 1. Correct the text wrapping in Edge and IE.
   * 2. Correct the color inheritance from `fieldset` elements in IE.
   * 3. Remove the padding so developers are not caught out when they zero out
   *    `fieldset` elements in all browsers.
   */
  
  legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
  }
  
  /**
   * Add the correct vertical alignment in Chrome, Firefox, and Opera.
   */
  
  progress {
  vertical-align: baseline;
  }
  
  /**
   * Remove the default vertical scrollbar in IE 10+.
   */
  
  textarea {
  overflow: auto;
  }
  
  /**
   * 1. Add the correct box sizing in IE 10.
   * 2. Remove the padding in IE 10.
   */
  
  [type="checkbox"],
  [type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
  }
  
  /**
   * Correct the cursor style of increment and decrement buttons in Chrome.
   */
  
  [type="number"]::-webkit-inner-spin-button,
  [type="number"]::-webkit-outer-spin-button {
  height: auto;
  }
  
  /**
   * 1. Correct the odd appearance in Chrome and Safari.
   * 2. Correct the outline style in Safari.
   */
  
  [type="search"] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
  }
  
  /**
   * Remove the inner padding in Chrome and Safari on macOS.
   */
  
  [type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
  }
  
  /**
   * 1. Correct the inability to style clickable types in iOS and Safari.
   * 2. Change font properties to `inherit` in Safari.
   */
  
  ::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
  }
  
  /* Interactive
   ========================================================================== */
  
  /*
   * Add the correct display in Edge, IE 10+, and Firefox.
   */
  
  details {
  display: block;
  }
  
  /*
   * Add the correct display in all browsers.
   */
  
  summary {
  display: list-item;
  }
  
  /* Misc
   ========================================================================== */
  
  /**
   * Add the correct display in IE 10+.
   */
  
  template {
  display: none;
  }
  
  /**
   * Add the correct display in IE 10.
   */
  
  [hidden] {
  display: none;
  }

* {
  box-sizing: border-box;
  font-family: 'Asap', sans-serif;
}

.header {
  background-color: #bff199;
}

.container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 8px;
}

.header-title {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-size: 28px;
}

.header-title_logo {
  margin-right: 5px;
}

nav ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  list-style: none;
}

nav a {
  margin-right: 10px;
  font-size: 20px;
  text-decoration: none;
  color: black;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

nav a:hover {
  border-bottom: 2px solid white;
}


.main-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 400px;
  height: 450px;
  margin: 20px auto;
  border: 2px solid #bff199;
  border-radius: 20px;
}

.form-wrapper {
  padding: 75px;
  padding-top: none;
}

.item-input {
  width: 250px;
  margin-bottom: 10px;
  border-radius: 5px;
  font-size: 24px;
}

.sumbit-wrapper {
  text-align: center;
}

.btn-submit {
  padding: 12px 20px;
  margin-left: 5px;
  width: 80%;
  color: white;
  background-color: #7f7f7f;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  outline: none;
}

.show {
  display: block;
}

.hide {
  display: none;
}

.modal-wrapper {
  position: absolute;
  top: 25%;
  left: 35%;
  width: 400px;
  height: 200px;
  border: 3px solid black;
  border-radius: 10px;
  z-index: 10;
}

.upper-modal {
  position: relative;
  height: 70%;
  background-color: #ee3322;
}

.lower-modal {
  position: relative;
  height: 30%;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  background-color: white;
}

.btn-close {
  position: relative;
  width: 100px;
  height: 35px;
  left: 38%;
  top: 25%;
  outline: none;
  border-radius: 50px;
  background-color: #ee3322;
}

.pictureModal img {
  width: 64px;
  height: 64px;
}

.pictureModal {
  position: relative;
  top: 25%;
  left: 43%;
}

.pictureModal p {
  margin: -2px 0 0 -50px;
}

.invalid-input {
  border: 1px solid red;
}

.showcontent-wrap {
  text-align: center;
}

.choose-studen-wrap {
  position: relative;
  width: 400px;
  height: 400px;
  top: 30%;
  left: 35%;
  border: 2px solid red;
}

.choose-navigation {
  margin-top: 20px;
}

.btn-showbd {
  padding: 12px 20px;
  margin-left: 5px;
  color: white;
  background-color: #7f7f7f;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  outline: none;
}

.btn-active {
  color: black;
  background-color: #f9f9f9;
  border: 1px solid #bff199;
}

.showbd {
  margin-top: 10px;
}

.item-output {
  margin: 5px;
}

.chips {
  padding: 10px 20px;
  margin: 20px 10px;
  border-radius: 12px;
  background: #ee6e73;
  color: #fff;
}

.chips-field {
  position: fixed;
  top: 15%;
  right: 25%;
  width: 200px;
  text-align: center;
}

const btnViewing = document.querySelector(".btn-viewing"),
    containerForm = document.querySelector(".container"),
    containerShowBD = document.querySelector(".showcontent-wrap"),
    inputs = document.querySelectorAll(".item-input"),
    closeModal = document.querySelector(".btn-close"),
    modalWrapper = document.querySelector(".modal-wrapper"),
    btnSubmit = document.querySelector(".btn-submit"),
    chooseStudent = document.querySelector(".choose-student"),
    btnShowBD = document.querySelector(".btn-showbd"),
    itemOutput = document.querySelectorAll(".item-output");

let dataBase;

btnViewing.addEventListener("click", () => {

    if (isEmptyObject(dataBase) != true) {

        if (!containerForm.classList.contains('hide')) {

            containerForm.classList.add("hide");
            btnViewing.innerText = "Показать форму";
            containerShowBD.classList.remove("hide");

        } else {

            containerForm.classList.remove("hide");
            btnViewing.innerText = "Показать БД";
            containerShowBD.classList.add("hide");
        }
    } else {

        modalWrapper.classList.remove("hide");
        disableInputs();
        closeModal.addEventListener("click", () => {
        modalWrapper.classList.add("hide");
        inclusionInputs();
        });
    }
});

function disableInputs() {

    for (let el = 0; el < inputs.length; el++) {
        inputs[el].setAttribute("disabled", "");
    }
    btnSubmit.setAttribute("disabled", "");

}

function inclusionInputs() {

    for (let el = 0; el < inputs.length; el++) {
        inputs[el].removeAttribute("disabled");
    }
    btnSubmit.removeAttribute("disabled");
}

btnSubmit.addEventListener("click", () => {

    if (formValidator() == true) {
        recordObject();
        insertSelect();
        chips();
        resetForm();
    }
});

function formValidator() {

    let correctInputs = 0;
    for (let el = 0; el < inputs.length; el++) {

        if (inputs[el].value == "") el++;
        
        if (inputs[el].value.match(/[А-я]/)) {
            correctInputs++;
            inputs[el].classList.remove("invalid-input");
        } 
        else if (el == 1 && +inputs[1].value.match(/^\d{4}$/)) { 
            correctInputs++;
            inputs[el].classList.remove("invalid-input");
        }
        else if (el == 5 && +inputs[5].value > 0 && +inputs[5].value < 7) {
            correctInputs++;
            inputs[el].classList.remove("invalid-input");
        }
        else {
            inputs[el].classList.add("invalid-input");
        }
    }

    return correctInputs == 7 ? true : false;
}

function resetForm() {

    document.querySelector('.form').reset();
    btnSubmit.classList.remove("btn-active");
    btnSubmit.setAttribute("disabled", "");

}

function isEmptyObject(dataBase) {

    for (let key in dataBase) {
        if (dataBase.hasOwnProperty(key)) {
            return false;
        }
    }
    return true;
}

function recordObject() {

    let i = 0;
    dataBase = {
        fullName: '',
        dateOfBirth: '',
        address: '',
        faculty: '',
        spetsial: '',
        course: '',
        institution: ''
    }

    for (let key in dataBase) {
        dataBase[key] = inputs[i].value;
        i++;
    }
    console.log(dataBase);
    
}

function insertSelect() {

    let nameOption = document.createElement("option");
    nameOption.textContent = dataBase.fullName;
    chooseStudent.appendChild(nameOption);

}

document.querySelector(".form").addEventListener("change", () => {

  
    if (formValidator() == true) {

        btnSubmit.classList.add("btn-active");
        btnSubmit.removeAttribute("disabled");
    }
});

function chips() {

    let chips = document.createElement('div');
    chips.classList.add("chips");
    chips.innerText = "Студент успешнно добавлен";
    addChips(chips);
    setTimeout(function () { deleteChips(chips)}, 3000);

}

function deleteChips(chips) {

    chips.remove();
    let allChips = document.querySelectorAll(".chips-field .chips");
    if (allChips.length == 0) document.querySelector(".chips-field").remove();

}

function addChips(chips) {

    let chipsField = document.querySelector(".chips-field");
    if (chipsField) {
        chipsField.appendChild(chips);
    } else {
        let chipsField = document.createElement("div");
        chipsField.classList.add("chips-field");
        document.querySelector("body").appendChild(chipsField);
        chipsField.appendChild(chips);
    }
}

This Pen is owned by DG on CodePen.

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