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Floating labels

Meitsje prachtige ienfâldige formulieretiketten dy't oer jo ynfierfjilden driuwe.

Op dizze side

Foarbyld

Wikkel in pear <input class="form-control">en <label>eleminten yn .form-floatingom driuwende labels yn te skeakeljen mei de tekstfoarmfjilden fan Bootstrap. A placeholderis op elk ferplicht, <input>om't ús metoade fan CSS-allinich driuwende labels it :placeholder-shownpseudo-elemint brûkt. Tink derom ek dat it <input>earst moat komme, sadat wy in siblingselektor kinne brûke (bgl. ~).

html 
<div class="form-floating mb-3">
  <input type="email" class="form-control" id="floatingInput" placeholder="[email protected]">
  <label for="floatingInput">Email address</label>
</div>
<div class="form-floating">
  <input type="password" class="form-control" id="floatingPassword" placeholder="Password">
  <label for="floatingPassword">Password</label>
</div>

As d'r in valueal definiearre is, <label>sil s automatysk oanpasse oan har driuwende posysje.

html 
<form class="form-floating">
  <input type="email" class="form-control" id="floatingInputValue" placeholder="[email protected]" value="[email protected]">
  <label for="floatingInputValue">Input with value</label>
</form>

Formuliervalidaasjestilen wurkje ek lykas ferwachte.

html 
<form class="form-floating">
  <input type="email" class="form-control is-invalid" id="floatingInputInvalid" placeholder="[email protected]" value="[email protected]">
  <label for="floatingInputInvalid">Invalid input</label>
</form>

Tekstgebieten

Standert sil <textarea>s mei .form-controldeselde hichte wêze as <input>s.

html 
<div class="form-floating">
  <textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea"></textarea>
  <label for="floatingTextarea">Comments</label>
</div>

Om in oanpaste hichte op jo yn te stellen <textarea>, brûk it rowsattribút net. Stel ynstee in eksplisite yn height(sawol ynline as fia oanpaste CSS).

html 
<div class="form-floating">
  <textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea2" style="height: 100px"></textarea>
  <label for="floatingTextarea2">Comments</label>
</div>

Selektearret

Oars as .form-control, driuwende labels binne allinnich beskikber op .form-selects. Se wurkje op deselde wize, mar yn tsjinstelling ta <input>s, se sille altyd sjen litte de <label>yn syn driuwende steat. Selektearret mei sizeen multiplewurde net stipe.

html 
<div class="form-floating">
  <select class="form-select" id="floatingSelect" aria-label="Floating label select example">
    <option selected>Open this select menu</option>
    <option value="1">One</option>
    <option value="2">Two</option>
    <option value="3">Three</option>
  </select>
  <label for="floatingSelect">Works with selects</label>
</div>

Allinnich lês platte tekst

Floating labels stypje ek .form-control-plaintext, wat nuttich kin wêze foar it wikseljen fan in bewurkbere <input>nei in platte tekstwearde sûnder de side-yndieling te beynfloedzjen.

html 
<div class="form-floating mb-3">
  <input type="email" readonly class="form-control-plaintext" id="floatingEmptyPlaintextInput" placeholder="[email protected]">
  <label for="floatingEmptyPlaintextInput">Empty input</label>
</div>
<div class="form-floating mb-3">
  <input type="email" readonly class="form-control-plaintext" id="floatingPlaintextInput" placeholder="[email protected]" value="[email protected]">
  <label for="floatingPlaintextInput">Input with value</label>
</div>

Ynput groepen

Floating labels stypje ek .input-group.

@
html 
<div class="input-group mb-3">
  <span class="input-group-text">@</span>
  <div class="form-floating">
    <input type="text" class="form-control" id="floatingInputGroup1" placeholder="Username">
    <label for="floatingInputGroup1">Username</label>
  </div>
</div>

By it brûken .input-groupen .form-floatingtegearre mei formulier falidaasje, de -feedbackmoatte wurde pleatst bûten de .form-floating, mar binnen de .input-group. Dit betsjut dat de feedback werjûn wurde moat mei javascript.

@
Kies in brûkersnamme.
html 
<div class="input-group has-validation">
  <span class="input-group-text">@</span>
  <div class="form-floating is-invalid">
    <input type="text" class="form-control is-invalid" id="floatingInputGroup2" placeholder="Username" required>
    <label for="floatingInputGroup2">Username</label>
  </div>
  <div class="invalid-feedback">
    Please choose a username.
  </div>
</div>

Opmaak

As jo ​​​​wurkje mei it Bootstrap-rastersysteem, wês wis dat jo formuliereleminten pleatse binnen kolomklassen.

html 
<div class="row g-2">
  <div class="col-md">
    <div class="form-floating">
      <input type="email" class="form-control" id="floatingInputGrid" placeholder="[email protected]" value="[email protected]">
      <label for="floatingInputGrid">Email address</label>
    </div>
  </div>
  <div class="col-md">
    <div class="form-floating">
      <select class="form-select" id="floatingSelectGrid">
        <option selected>Open this select menu</option>
        <option value="1">One</option>
        <option value="2">Two</option>
        <option value="3">Three</option>
      </select>
      <label for="floatingSelectGrid">Works with selects</label>
    </div>
  </div>
</div>

Sass

Fariabelen

$form-floating-height:            add(3.5rem, $input-height-border);
$form-floating-line-height:       1.25;
$form-floating-padding-x:         $input-padding-x;
$form-floating-padding-y:         1rem;
$form-floating-input-padding-t:   1.625rem;
$form-floating-input-padding-b:   .625rem;
$form-floating-label-opacity:     .65;
$form-floating-label-transform:   scale(.85) translateY(-.5rem) translateX(.15rem);
$form-floating-transition:        opacity .1s ease-in-out, transform .1s ease-in-out;