Bootstrap 4 - Popovers
Descrição
Popover é semelhante à dica de ferramenta, oferecendo uma visão estendida completa com um título. Para que o popover seja ativado, o usuário só precisa clicar em um elemento.
Popover básico
O popover pode ser criado usando o atributo data-toggle = "popover" e o conteúdo pode ser fornecido para o popover usando o atributo data-content .
O exemplo a seguir demonstra o popover básico -
Exemplo
<html lang = "en">
<head>
<!-- Meta tags -->
<meta charset = "utf-8">
<meta name = "viewport" content = "width = device-width, initial-scale = 1, shrink-to-fit = no">
<!-- Bootstrap CSS -->
<link rel = "stylesheet"
href = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
integrity = "sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO"
crossorigin = "anonymous">
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<title>Bootstrap 4 Example</title>
</head>
<body>
<div class = "container">
<h2>Basic Popover</h2>
<button type = "button" class = "btn btn-info"
data-toggle = "popover" title = "Popover title"
data-content = "Popover content goes here...">Basic Popover</button>
</div>
<script>
$(document).ready(function(){
$('[data-toggle = "popover"]').popover();
$('[data-toggle="tooltip"]').tooltip();
});
</script>
<!-- jQuery library -->
<script src = "https://code.jquery.com/jquery-3.2.1.slim.min.js"
integrity = "sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
crossorigin = "anonymous">
</script>
<!-- Popper -->
<script src = "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
integrity = "sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
crossorigin = "anonymous">
</script>
<!-- Latest compiled and minified Bootstrap JavaScript -->
<script src = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
integrity = "sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
crossorigin = "anonymous">
</script>
</body>
</html>Isso produzirá o seguinte resultado -
Resultado
Direções de Popover
Existem quatro opções, como alinhamento superior, inferior, esquerdo e direito para alterar a direção do popover usando o atributo de colocação de dados -
O exemplo a seguir demonstra as instruções popover -
Exemplo
<html lang = "en">
<head>
<!-- Meta tags -->
<meta charset = "utf-8">
<meta name = "viewport" content = "width = device-width, initial-scale = 1, shrink-to-fit = no">
<!-- Bootstrap CSS -->
<link rel = "stylesheet"
href = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
integrity = "sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO"
crossorigin = "anonymous">
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<title>Bootstrap 4 Example</title>
</head>
<body>
<div class = "container">
<br>
<br>
<h2>Popover Directions</h2>
<br>
<button type = "button" class = "btn btn-lg btn-info"
data-container = "body" data-toggle = "popover" data-placement = "top"
data-content = "Opens at Top side of the button.">Top</button>
<button type = "button" class = "btn btn-lg btn-info"
data-container = "body" data-toggle = "popover" data-placement = "right"
data-content = "Opens at Right side of the button.">Right</button>
<button type = "button" class = "btn btn-lg btn-info"
data-container = "body" data-toggle = "popover" data-placement = "bottom"
data-content = "Opens at Bottom side of the button.">Bottom</button>
<button type = "button" class = "btn btn-lg btn-info"
data-container = "body" data-toggle = "popover" data-placement = "left"
data-content = "Opens at Left Side of the button.">Left</button>
</div>
<script>
$(document).ready(function(){
$('[data-toggle = "popover"]').popover();
$('[data-toggle = "tooltip"]').tooltip();
});
</script>
<!-- jQuery library -->
<script src = "https://code.jquery.com/jquery-3.2.1.slim.min.js"
integrity = "sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
crossorigin = "anonymous">
</script>
<!-- Popper -->
<script src = "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
integrity = "sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
crossorigin = "anonymous">
</script>
<!-- Latest compiled and minified Bootstrap JavaScript -->
<script src = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
integrity = "sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
crossorigin = "anonymous">
</script>
</body>
</html>Isso produzirá o seguinte resultado -
Resultado
Fechando Popover e Elemento Desativado
O popover pode ser fechado ao clicar fora do elemento usando o atributo data-trigger = "focus" . O elemento popover pode ser desabilitado com a ajuda do atributo disabled .
O exemplo a seguir demonstra isso -
Exemplo
<html lang = "en">
<head>
<!-- Meta tags -->
<meta charset = "utf-8">
<meta name = "viewport" content = "width = device-width, initial-scale = 1, shrink-to-fit = no">
<!-- Bootstrap CSS -->
<link rel = "stylesheet"
href = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
integrity = "sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO"
crossorigin = "anonymous">
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<title>Bootstrap 4 Example</title>
</head>
<body>
<div class = "container">
<h2>Closing Popover</h2>
<a tabindex = "0" class = "btn btn-info" role = "button"
data-toggle = "popover" data-trigger = "focus" title = "Popover"
data-content = "Click outside to dismiss the popover">Dismissible Popover</a>
<br>
<br>
<h2>Disabled Element</h2>
<span class = "d-inline-block" data-toggle = "popover" data-content = "This button is disabled">
<button class = "btn btn-info" style = "pointer-events: none;"
type = "button" disabled>Button</button>
</span>
</div>
<script>
$(document).ready(function(){
$('[data-toggle = "popover"]').popover();
$('[data-toggle = "tooltip"]').tooltip();
});
</script>
<!-- jQuery library -->
<script src = "https://code.jquery.com/jquery-3.2.1.slim.min.js"
integrity = "sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
crossorigin = "anonymous">
</script>
<!-- Popper -->
<script src = "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
integrity = "sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
crossorigin = "anonymous">
</script>
<!-- Latest compiled and minified Bootstrap JavaScript -->
<script src = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
integrity = "sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
crossorigin = "anonymous">
</script>
</body>
</html>Isso produzirá o seguinte resultado -