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diff --git a/site/content/docs/5.0/forms/overview.md b/site/content/docs/5.0/forms/overview.md new file mode 100644 index 0000000000..22ff29daf6 --- /dev/null +++ b/site/content/docs/5.0/forms/overview.md @@ -0,0 +1,128 @@ +--- +layout: docs +title: Forms +description: Examples and usage guidelines for form control styles, layout options, and custom components for creating a wide variety of forms. +group: forms +toc: true +aliases: "/docs/5.0/forms/" +sections: + - title: Form control + description: Style textual inputs and textareas with support for multiple states. + - title: Select + description: Improve browser default select elements with a custom initial appearance. + - title: Checks + description: Use our custom radio buttons and checkboxes in forms for selecting input options. + - title: File + description: Replace browser default file inputs with our custom version with optional JavaScript. + - title: Range + description: Replace browser default range inputs with our custom version. + - title: Input group + description: Attach labels and buttons to your inputs for increased semantic value. + - title: Layout + description: Create inline, horizontal, or complex grid-based layouts with your forms. + - title: Validation + description: Validate your forms with custom or native validation behaviors and styles. +--- + +## Overview + +Bootstrap's form controls expand on [our Rebooted form styles]({{< docsref "/content/reboot#forms" >}}) with classes. Use these classes to opt into their customized displays for a more consistent rendering across browsers and devices. + +Be sure to use an appropriate `type` attribute on all inputs (e.g., `email` for email address or `number` for numerical information) to take advantage of newer input controls like email verification, number selection, and more. + +Here's a quick example to demonstrate Bootstrap's form styles. Keep reading for documentation on required classes, form layout, and more. + +{{< example >}} +<form> + <div class="mb-3"> + <label for="exampleInputEmail1" class="form-label">Email address</label> + <input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp"> + <div id="emailHelp" class="form-text">We'll never share your email with anyone else.</div> + </div> + <div class="mb-3"> + <label for="exampleInputPassword1" class="form-label">Password</label> + <input type="password" class="form-control" id="exampleInputPassword1"> + </div> + <div class="mb-3 form-check"> + <input type="checkbox" class="form-check-input" id="exampleCheck1"> + <label class="form-check-label" for="exampleCheck1">Check me out</label> + </div> + <button type="submit" class="btn btn-primary">Submit</button> +</form> +{{< /example >}} + +## Form text + +Block-level or inline-level form text can be created using `.form-text`. + +{{< callout warning >}} +##### Associating form text with form controls + +Form text should be explicitly associated with the form control it relates to using the `aria-describedby` attribute. This will ensure that assistive technologies—such as screen readers—will announce this form text when the user focuses or enters the control. +{{< /callout >}} + +Form text below inputs can be styled with `.form-text`. If a block-level element will be used, a top margin is added for easy spacing from the inputs above. + +{{< example >}} +<label for="inputPassword5" class="form-label">Password</label> +<input type="password" id="inputPassword5" class="form-control" aria-describedby="passwordHelpBlock"> +<div id="passwordHelpBlock" class="form-text"> + Your password must be 8-20 characters long, contain letters and numbers, and must not contain spaces, special characters, or emoji. +</div> +{{< /example >}} + +Inline text can use any typical inline HTML element (be it a `<span>`, `<small>`, or something else) with nothing more than the `.form-text` class. + +{{< example >}} +<div class="row g-3 align-items-center"> + <div class="col-auto"> + <label for="inputPassword6" class="col-form-label">Password</label> + </div> + <div class="col-auto"> + <input type="password" id="inputPassword6" class="form-control" aria-describedby="passwordHelpInline"> + </div> + <div class="col-auto"> + <span id="passwordHelpInline" class="form-text"> + Must be 8-20 characters long. + </span> + </div> +</div> +{{< /example >}} + +## Disabled forms + +Add the `disabled` boolean attribute on an input to prevent user interactions and make it appear lighter. + +{{< highlight html >}} +<input class="form-control" id="disabledInput" type="text" placeholder="Disabled input here..." disabled> +{{< /highlight >}} + +Add the `disabled` attribute to a `<fieldset>` to disable all the controls within. + +By default, browsers will treat all native form controls (`<input>`, `<select>`, and `<button>` elements) inside a `<fieldset disabled>` as disabled, preventing both keyboard and mouse interactions on them. However, if your form also includes `<a ... class="btn btn-*">` elements, these will only be given a style of `pointer-events: none`. + +{{< example >}} +<form> + <fieldset disabled aria-label="Disabled fieldset example"> + <div class="mb-3"> + <label for="disabledTextInput" class="form-label">Disabled input</label> + <input type="text" id="disabledTextInput" class="form-control" placeholder="Disabled input"> + </div> + <div class="mb-3"> + <label for="disabledSelect" class="form-label">Disabled select menu</label> + <select id="disabledSelect" class="form-select"> + <option>Disabled select</option> + </select> + </div> + <div class="mb-3"> + <div class="form-check"> + <input class="form-check-input" type="checkbox" id="disabledFieldsetCheck" disabled> + <label class="form-check-label" for="disabledFieldsetCheck"> + Can't check this + </label> + </div> + </div> + <button type="submit" class="btn btn-primary">Submit</button> + </fieldset> +</form> +{{< /example >}} |