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diff --git a/site/content/docs/5.3/forms/form-control.md b/site/content/docs/5.3/forms/form-control.md new file mode 100644 index 0000000..0c6b599 --- /dev/null +++ b/site/content/docs/5.3/forms/form-control.md @@ -0,0 +1,190 @@ +--- +layout: docs +title: Form controls +description: Give textual form controls like `<input>`s and `<textarea>`s an upgrade with custom styles, sizing, focus states, and more. +group: forms +toc: true +--- + +## Example + +Form controls are styled with a mix of Sass and CSS variables, allowing them to adapt to color modes and support any customization method. + +{{< example >}} +<div class="mb-3"> + <label for="exampleFormControlInput1" class="form-label">Email address</label> + <input type="email" class="form-control" id="exampleFormControlInput1" placeholder="name@example.com"> +</div> +<div class="mb-3"> + <label for="exampleFormControlTextarea1" class="form-label">Example textarea</label> + <textarea class="form-control" id="exampleFormControlTextarea1" rows="3"></textarea> +</div> +{{< /example >}} + +## Sizing + +Set heights using classes like `.form-control-lg` and `.form-control-sm`. + +{{< example >}} +<input class="form-control form-control-lg" type="text" placeholder=".form-control-lg" aria-label=".form-control-lg example"> +<input class="form-control" type="text" placeholder="Default input" aria-label="default input example"> +<input class="form-control form-control-sm" type="text" placeholder=".form-control-sm" aria-label=".form-control-sm example"> +{{< /example >}} + +## Form text + +Block-level or inline-level form text can be created using `.form-text`. + +{{< callout warning >}} +Form text should be explicitly associated with the form control it relates to using the `aria-labelledby` (for mandatory information such as data format) or `aria-describedby` (for complementary information) 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-labelledby="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-labelledby="passwordHelpInline"> + </div> + <div class="col-auto"> + <span id="passwordHelpInline" class="form-text"> + Must be 8-20 characters long. + </span> + </div> +</div> +{{< /example >}} + +## Disabled + +Add the `disabled` boolean attribute on an input to give it a grayed out appearance, remove pointer events, and prevent focusing. + +{{< example >}} +<input class="form-control" type="text" placeholder="Disabled input" aria-label="Disabled input example" disabled> +<input class="form-control" type="text" value="Disabled readonly input" aria-label="Disabled input example" disabled readonly> +{{< /example >}} + +## Readonly + +Add the `readonly` boolean attribute on an input to prevent modification of the input's value. `readonly` inputs can still be focused and selected, while `disabled` inputs cannot. + +{{< example >}} +<input class="form-control" type="text" value="Readonly input here..." aria-label="readonly input example" readonly> +{{< /example >}} + +## Readonly plain text + +If you want to have `<input readonly>` elements in your form styled as plain text, replace `.form-control` with `.form-control-plaintext` to remove the default form field styling and preserve the correct `margin` and `padding`. + +{{< example >}} + <div class="mb-3 row"> + <label for="staticEmail" class="col-sm-2 col-form-label">Email</label> + <div class="col-sm-10"> + <input type="text" readonly class="form-control-plaintext" id="staticEmail" value="email@example.com"> + </div> + </div> + <div class="mb-3 row"> + <label for="inputPassword" class="col-sm-2 col-form-label">Password</label> + <div class="col-sm-10"> + <input type="password" class="form-control" id="inputPassword"> + </div> + </div> +{{< /example >}} + +{{< example >}} +<form class="row g-3"> + <div class="col-auto"> + <label for="staticEmail2" class="visually-hidden">Email</label> + <input type="text" readonly class="form-control-plaintext" id="staticEmail2" value="email@example.com"> + </div> + <div class="col-auto"> + <label for="inputPassword2" class="visually-hidden">Password</label> + <input type="password" class="form-control" id="inputPassword2" placeholder="Password"> + </div> + <div class="col-auto"> + <button type="submit" class="btn btn-primary mb-3">Confirm identity</button> + </div> +</form> +{{< /example >}} + +## File input + +{{< example >}} +<div class="mb-3"> + <label for="formFile" class="form-label">Default file input example</label> + <input class="form-control" type="file" id="formFile"> +</div> +<div class="mb-3"> + <label for="formFileMultiple" class="form-label">Multiple files input example</label> + <input class="form-control" type="file" id="formFileMultiple" multiple> +</div> +<div class="mb-3"> + <label for="formFileDisabled" class="form-label">Disabled file input example</label> + <input class="form-control" type="file" id="formFileDisabled" disabled> +</div> +<div class="mb-3"> + <label for="formFileSm" class="form-label">Small file input example</label> + <input class="form-control form-control-sm" id="formFileSm" type="file"> +</div> +<div> + <label for="formFileLg" class="form-label">Large file input example</label> + <input class="form-control form-control-lg" id="formFileLg" type="file"> +</div> +{{< /example >}} + +## Color + +Set the `type="color"` and add `.form-control-color` to the `<input>`. We use the modifier class to set fixed `height`s and override some inconsistencies between browsers. + +{{< example >}} +<label for="exampleColorInput" class="form-label">Color picker</label> +<input type="color" class="form-control form-control-color" id="exampleColorInput" value="#563d7c" title="Choose your color"> +{{< /example >}} + +## Datalists + +Datalists allow you to create a group of `<option>`s that can be accessed (and autocompleted) from within an `<input>`. These are similar to `<select>` elements, but come with more menu styling limitations and differences. While most browsers and operating systems include some support for `<datalist>` elements, their styling is inconsistent at best. + +Learn more about [support for datalist elements](https://caniuse.com/datalist). + +{{< example >}} +<label for="exampleDataList" class="form-label">Datalist example</label> +<input class="form-control" list="datalistOptions" id="exampleDataList" placeholder="Type to search..."> +<datalist id="datalistOptions"> + <option value="San Francisco"> + <option value="New York"> + <option value="Seattle"> + <option value="Los Angeles"> + <option value="Chicago"> +</datalist> +{{< /example >}} + +## CSS + +### Sass variables + +`$input-*` are shared across most of our form controls (and not buttons). + +{{< scss-docs name="form-input-variables" file="scss/_variables.scss" >}} + +`$form-label-*` and `$form-text-*` are for our `<label>`s and `.form-text` component. + +{{< scss-docs name="form-label-variables" file="scss/_variables.scss" >}} + +{{< scss-docs name="form-text-variables" file="scss/_variables.scss" >}} + +`$form-file-*` are for file input. + +{{< scss-docs name="form-file-variables" file="scss/_variables.scss" >}} |