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======HOW TO - CSS/JS Modal======
<WRAP left notice 80%>
  * description : How TO - %%CSS/JS%% Modal
  * author      : 오션
  * email       : shlim@repia.com
  * lastupdate  : 2021-04-09
</WRAP>
<WRAP clear></WRAP>
\\
====Ref====
[[https://www.w3schools.com/howto/howto_css_modals.asp|How TO - CSS/JS Modal]]\\
\\
%%CSS%% 및 %%JavaScript%%로 모달 박스를 만드는 방법을 학습합니다.\\

=====How to Create a Modal Box=====
모달은 현재 페이지의 맨 위에 표시되는 대화 상자 / 팝업 창입니다.\\
\\
Step 1) Add %%HTML%%:\\
====HTML 예제====
<code html>
<h2>Modal Example</h2>
    <!-- Trigger/Open The Modal -->
    <button id="myBtn">Open Modal</button>
    <!-- The Modal -->
    <div id="myModal" class="modal">
        <!-- Modal Content -->
        <div class="modal-content">
            <span class="close">&times;</span>
            <p>Strike while the iron is hot!</p>
        </div>
    </div>
</code>
\\
Step 2) Add %%CSS%%:\\
====CSS 예제====
<code css>
<style>
        body {font-family: Arial, Helvetica, sans-serif;}
        /* The Modal (background) */
        .modal {
            display: none;      /* Hidden by default */
            position: fixed;    /* Stay in place */
            z-index: 1;         /* Sit on top */
            padding-top: 100px; /* Location of the box  */
            left: 0;
            top: 0;
            width: 100%;        /* Full width */
            height: 100%;       /* Full height */
            overflow: auto;     /* Enable scroll if needed */
            background-color: rgb(0, 0, 0);         /* Fallback color */
            background-color: rgba(0, 0, 0, 0.4);   /* Black with opacity */
        }
        /* Modal Content */
        .modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 20px;
            border: 1px solid #888;
            width: 80%;
        }
        /* The Close Button */
        .close {
            color: #aaaaaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
        }
        .close:hover,
        .close:focus {
            color: #000;
            text-decoration: none;
            cursor: pointer;
        }
    </style>
</code>
\\
Step 3) Add %%JavaScript%%:\\
====JavaScript 예제====
<code javascript>
    <script>
        // Ger the modal
        var modal = document.getElementById("myModal");
        // Get the button that opens the modal
        var btn = document.getElementById("myBtn");
        // Get the <span> element that closes the modal
        var span = document.getElementsByClassName("close")[0];
        // When the user clicks the button, open the modal
        btn.onclick = function () {
            modal.style.display = "block";
        }
        // When the user clicks on <span> (x), close the modal.
        span.onclick = function () {
            modal.style.display = "none";
        }
        // When the user clicks anwhere outside of the modal, close it.
        window.onclick = function (event) {
            if (event.target == modal) {
                modal.style.display = "none";
            }
        }
    </script>
</code>

=====Add Header and Footer=====
modal-header, modal-body, modal-footer를 위한 클래스를 추가합니다.\\
====HTML 예제====
<code html>
    <h2>Animated Modal with Header and Footer</h2>
    <!-- Trigger/Open The Modal -->
    <button id="myBtn">Open Modal</button>
    <!-- The Modal -->
    <div id="myModal" class="modal">
        <!-- Modal content -->
        <div class="modal-content">
            <div class="modal-header">
                <span class="close">&times;</span>
                <h2>Modal Header</h2>
            </div>
            <div class="modal-body">
                <p>Don't judge a book by its cover.</p>
                <p>Don't cross the bridge until you come to it.</p>
            </div>
            <div class="modal-footer">
                <h3>Modal Footer</h3>
            </div>
        </div>
    </div>
</code>
\\
modal 헤더, 바디 그리고 풋터에 스타일을 지정하고 modal에 애니메이션 슬라이드를 추가합니다.\\
<code css>
<!DOCTYPE html>
<html lang="en">

<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        body {font-family: Arial, Helvetica, sans-serif;}
        /* The Modal (background) */
        .modal {
            display: none;          /* Hidden by default */
            position: fixed;        /* Stay in place */
            z-index: 1;             /* Sit on top */
            padding-top: 100px;     /* Location of the box */
            left: 0;
            top: 0;
            width: 100%;            /* Full width */
            height: 100%;           /* Full height */
            overflow: auto;         /* Enable scroll if needed */
            background-color: rgb(0, 0, 0);         /* Fallback color */
            background-color: rgba(0, 0, 0, 0.4);   /* Black with opacity */
        }
        .modal-content {
            position: relative;
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 2px solid crimson;
            width: 80%;
            box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
            -webkit-animation-name: animatetop;
            -webkit-animation-duration: 0.4s;
            animation-name: animatetop;
            animation-duration: 0.4s;
        }
        /* Add Animation */
        @-webkit-keyframes animatetop {
            from {top: -300px; opacity: 0}
            to {top: 0; opacity: 1}
        }
        @keyframes animatetop {
            from {top: -300px; opacity: 0}
            to {top: 0; opacity: 1}
        }
        /* The Close Button */
        .close {
            color: white;
            float: right;
            font-size: 28px;
            font-weight: bold;
        }
        .close:hover, .close:focus {
            color: #000;
            text-decoration: none;
            cursor: pointer;
        }
        /* Modal Header */
        .modal-header {
            padding: 2px 16px;
            background-color: #5cb85c;
            color: white;
        }
        /* Modal Body */
        .modal-body {padding: 2px 16px;}
        /* Modal Footer */
        .modal-footer {
            padding: 2px 16px;
            background-color: #5cb85c;
            color: white;
        }
    </style>
</head>
<body>
    <h2>Animated Modal with Header and Footer</h2>
    <!-- Trigger/Open The Modal -->
    <button id="myBtn">Open Modal</button>
    <!-- The Modal -->
    <div id="myModal" class="modal">
        <!-- Modal content -->
        <div class="modal-content">
            <div class="modal-header">
                <span class="close">&times;</span>
                <h2>Modal Header</h2>
            </div>
            <div class="modal-body">
                <p>Don't judge a book by its cover.</p>
                <p>Don't cross the bridge until you come to it.</p>
            </div>
            <div class="modal-footer">
                <h3>Modal Footer</h3>
            </div>
        </div>
    </div>
    <script>
        // Get the modal
        var modal = document.getElementById("myModal");
        // Get the button that opens the modal
        var btn = document.getElementById("myBtn");
        // Get the <span> element that closes the modal
        var span = document.getElementsByClassName("close")[0];
        // When the user clicks the button, open the modal
        btn.onclick = function () {
            modal.style.display = "block";
        }
        // When the user clicks on <span> (x), close the modal
        span.onclick = function () {
            modal.style.display = "none";
        }
        // When the user clicks anywhere outside of the modal, close it
        window.onclick = function (event) {
            if (event.target == modal) {
                modal.style.display = "none";
            }
        }
    </script>
</body>
</html>
</code>

=====Bottom Modal ("Bottom sheets")=====
하단에서 슬라이드 되는 화면 전체 너비의 모달을 생성하는 방법에 관한 예제
<code css>
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {font-family: Arial, Helvetica, sans-serif;}

/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
  -webkit-animation-name: fadeIn; /* Fade in the background */
  -webkit-animation-duration: 0.4s;
  animation-name: fadeIn;
  animation-duration: 0.4s
}

/* Modal Content */
.modal-content {
  position: fixed;
  bottom: 0;
  background-color: #fefefe;
  width: 100%;
  -webkit-animation-name: slideIn;
  -webkit-animation-duration: 0.4s;
  animation-name: slideIn;
  animation-duration: 0.4s
}

/* The Close Button */
.close {
  color: white;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}

.modal-header {
  padding: 2px 16px;
  background-color: #5cb85c;
  color: white;
}

.modal-body {padding: 2px 16px;}

.modal-footer {
  padding: 2px 16px;
  background-color: #5cb85c;
  color: white;
}

/* Add Animation */
@-webkit-keyframes slideIn {
  from {bottom: -300px; opacity: 0} 
  to {bottom: 0; opacity: 1}
}

@keyframes slideIn {
  from {bottom: -300px; opacity: 0}
  to {bottom: 0; opacity: 1}
}

@-webkit-keyframes fadeIn {
  from {opacity: 0} 
  to {opacity: 1}
}

@keyframes fadeIn {
  from {opacity: 0} 
  to {opacity: 1}
}
</style>
</head>
<body>

<h2>Bottom Modal</h2>

<!-- Trigger/Open The Modal -->
<button id="myBtn">Open Modal</button>

<!-- The Modal -->
<div id="myModal" class="modal">

  <!-- Modal content -->
  <div class="modal-content">
    <div class="modal-header">
      <span class="close">&times;</span>
      <h2>Modal Header</h2>
    </div>
    <div class="modal-body">
      <p>Some text in the Modal Body</p>
      <p>Some other text...</p>
    </div>
    <div class="modal-footer">
      <h3>Modal Footer</h3>
    </div>
  </div>

</div>

<script>
// Get the modal
var modal = document.getElementById("myModal");

// Get the button that opens the modal
var btn = document.getElementById("myBtn");

// Get the <span> element that closes the modal
var span = document.getElementsByClassName("close")[0];

// When the user clicks the button, open the modal 
btn.onclick = function() {
  modal.style.display = "block";
}

// When the user clicks on <span> (x), close the modal
span.onclick = function() {
  modal.style.display = "none";
}

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal) {
    modal.style.display = "none";
  }
}
</script>

</body>
</html>
</code>






















 
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문제를 잘 정의하는 것은 문제를 절반 해결한 것이다. - 2023.12

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