mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
568 lines
14 KiB
SCSS
568 lines
14 KiB
SCSS
//
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// Forms
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// --------------------------------------------------
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// Normalize non-controls
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//
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// Restyle and baseline non-control form elements.
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fieldset {
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// Chrome and Firefox set a `min-width: min-content;` on fieldsets,
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// so we reset that to ensure it behaves more like a standard block element.
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// See https://github.com/twbs/bootstrap/issues/12359.
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min-width: 0;
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padding: 0;
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margin: 0;
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border: 0;
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}
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legend {
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display: block;
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width: 100%;
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padding: 0;
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margin-bottom: $line-height-computed;
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font-size: ($font-size-base * 1.5);
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line-height: inherit;
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color: $legend-color;
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border: 0;
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border-bottom: 1px solid $legend-border-color;
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}
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label {
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display: inline-block;
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margin-bottom: 5px;
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}
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// Normalize form controls
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//
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// While most of our form styles require extra classes, some basic normalization
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// is required to ensure optimum display with or without those classes to better
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// address browser inconsistencies.
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// Override content-box in Normalize (* isn't specific enough)
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input[type="search"] {
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box-sizing: border-box;
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}
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// Position radios and checkboxes better
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input[type="radio"],
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input[type="checkbox"] {
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margin: 4px 0 0;
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margin-top: 1px \9; // IE9
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line-height: normal;
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}
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// Set the height of file controls to match text inputs
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input[type="file"] {
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display: block;
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}
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// Make range inputs behave like textual form controls
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input[type="range"] {
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display: block;
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width: 100%;
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}
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// Make multiple select elements height not fixed
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select[multiple],
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select[size] {
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height: auto;
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}
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// Focus for file, radio, and checkbox
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input[type="file"]:focus,
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input[type="radio"]:focus,
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input[type="checkbox"]:focus {
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@include tab-focus();
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}
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// Adjust output element
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output {
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display: block;
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padding-top: ($padding-base-vertical + 1);
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font-size: $font-size-base;
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line-height: $line-height-base;
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color: $input-color;
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}
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//
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// Common form controls
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//
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// Shared size and type resets for form controls. Apply `.form-control` to any
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// of the following form controls:
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//
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// select
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// textarea
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// input[type="text"]
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// input[type="password"]
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// input[type="datetime"]
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// input[type="datetime-local"]
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// input[type="date"]
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// input[type="month"]
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// input[type="time"]
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// input[type="week"]
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// input[type="number"]
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// input[type="email"]
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// input[type="url"]
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// input[type="search"]
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// input[type="tel"]
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// input[type="color"]
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.form-control {
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display: block;
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width: 100%;
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height: $input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border)
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padding: $padding-base-vertical $padding-base-horizontal;
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font-size: $font-size-base;
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line-height: $line-height-base;
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color: $input-color;
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background-color: $input-bg;
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background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
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border: 1px solid $input-border;
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@include border-radius($input-border-radius); // Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS.
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@include box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
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transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
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// Customize the `:focus` state to imitate native WebKit styles.
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@include form-control-focus();
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// Placeholder
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&::placeholder {
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color: $input-color-placeholder;
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opacity: 1; // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526
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}
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// Disabled and read-only inputs
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//
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// HTML5 says that controls under a fieldset > legend:first-child won't be
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// disabled if the fieldset is disabled. Due to implementation difficulty, we
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// don't honor that edge case; we style them as disabled anyway.
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&:disabled,
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&[readonly],
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fieldset[disabled] & {
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cursor: $cursor-disabled;
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background-color: $input-bg-disabled;
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opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
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}
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}
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// Reset height for `textarea`s
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textarea.form-control {
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height: auto;
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padding-top: $padding-base-horizontal;
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padding-bottom: $padding-base-horizontal;
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}
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// Search inputs in iOS
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//
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// This overrides the extra rounded corners on search inputs in iOS so that our
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// `.form-control` class can properly style them. Note that this cannot simply
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// be added to `.form-control` as it's not specific enough. For details, see
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// https://github.com/twbs/bootstrap/issues/11586.
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input[type="search"] {
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-webkit-appearance: none;
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}
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// Special styles for iOS temporal inputs
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//
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// In Mobile Safari, setting `display: block` on temporal inputs causes the
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// text within the input to become vertically misaligned. As a workaround, we
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// set a pixel line-height that matches the given height of the input, but only
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// for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
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@media screen and (-webkit-min-device-pixel-ratio: 0) {
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input[type="date"],
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input[type="time"],
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input[type="datetime-local"],
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input[type="month"] {
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line-height: $input-height-base;
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&.input-sm,
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.input-group-sm & {
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line-height: $input-height-sm;
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}
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&.input-lg,
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.input-group-lg & {
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line-height: $input-height-lg;
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}
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}
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}
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// Form groups
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//
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// Designed to help with the organization and spacing of vertical forms. For
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// horizontal forms, use the predefined grid classes.
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.form-group {
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margin-bottom: 15px;
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}
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// Checkboxes and radios
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//
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// Indent the labels to position radios/checkboxes as hanging controls.
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.radio,
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.checkbox {
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position: relative;
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display: block;
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margin-top: 10px;
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margin-bottom: 10px;
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label {
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min-height: $line-height-computed; // Ensure the input doesn't jump when there is no text
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padding-left: 20px;
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margin-bottom: 0;
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font-weight: normal;
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cursor: pointer;
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}
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}
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.radio input[type="radio"],
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.radio-inline input[type="radio"],
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.checkbox input[type="checkbox"],
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.checkbox-inline input[type="checkbox"] {
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position: absolute;
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margin-top: 4px \9;
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margin-left: -20px;
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}
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.radio + .radio,
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.checkbox + .checkbox {
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margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing
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}
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// Radios and checkboxes on same line
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.radio-inline,
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.checkbox-inline {
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display: inline-block;
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padding-left: 20px;
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margin-bottom: 0;
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font-weight: normal;
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vertical-align: middle;
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cursor: pointer;
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}
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.radio-inline + .radio-inline,
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.checkbox-inline + .checkbox-inline {
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margin-top: 0;
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margin-left: 10px; // space out consecutive inline controls
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}
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// Apply same disabled cursor tweak as for inputs
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// Some special care is needed because <label>s don't inherit their parent's `cursor`.
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//
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// Note: Neither radios nor checkboxes can be readonly.
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input[type="radio"],
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input[type="checkbox"] {
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&:disabled,
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&.disabled,
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fieldset[disabled] & {
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cursor: $cursor-disabled;
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}
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}
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// These classes are used directly on <label>s
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.radio-inline,
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.checkbox-inline {
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&.disabled,
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fieldset[disabled] & {
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cursor: $cursor-disabled;
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}
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}
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// These classes are used on elements with <label> descendants
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.radio,
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.checkbox {
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&.disabled,
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fieldset[disabled] & {
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label {
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cursor: $cursor-disabled;
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}
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}
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}
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// Static form control text
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//
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// Apply class to a `p` element to make any string of text align with labels in
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// a horizontal form layout.
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.form-control-static {
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// Size it appropriately next to real form controls
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padding-top: ($padding-base-vertical + 1);
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padding-bottom: ($padding-base-vertical + 1);
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// Remove default margin from `p`
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margin-bottom: 0;
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&.input-lg,
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&.input-sm {
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padding-right: 0;
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padding-left: 0;
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}
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}
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// Form control sizing
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//
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// Build on `.form-control` with modifier classes to decrease or increase the
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// height and font-size of form controls.
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//
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// The `.form-group-* form-control` variations are sadly duplicated to avoid the
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// issue documented in https://github.com/twbs/bootstrap/issues/15074.
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@include input-size('.input-sm', $input-height-sm, $padding-sm-vertical, $padding-sm-horizontal, $font-size-sm, $line-height-sm, $input-border-radius-sm);
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.form-group-sm {
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@include input-size('.form-control', $input-height-sm, $padding-sm-vertical, $padding-sm-horizontal, $font-size-sm, $line-height-sm, $input-border-radius-sm);
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.form-control-static {
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height: $input-height-sm;
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padding: $padding-sm-vertical $padding-sm-horizontal;
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font-size: $font-size-sm;
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line-height: $line-height-sm;
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}
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}
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@include input-size('.input-lg', $input-height-lg, $padding-lg-vertical, $padding-lg-horizontal, $font-size-lg, $line-height-lg, $input-border-radius-lg);
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.form-group-lg {
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@include input-size('.form-control', $input-height-lg, $padding-lg-vertical, $padding-lg-horizontal, $font-size-lg, $line-height-lg, $input-border-radius-lg);
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.form-control-static {
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height: $input-height-lg;
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padding: $padding-lg-vertical $padding-lg-horizontal;
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font-size: $font-size-lg;
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line-height: $line-height-lg;
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}
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}
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// Form control feedback states
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//
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// Apply contextual and semantic states to individual form controls.
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.has-feedback {
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// Enable absolute positioning
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position: relative;
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// Ensure icons don't overlap text
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.form-control {
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padding-right: ($input-height-base * 1.25);
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}
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}
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// Feedback icon
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.form-control-feedback {
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position: absolute;
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top: 0;
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right: 0;
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z-index: 2; // Ensure icon is above input groups
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display: block;
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width: $input-height-base;
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height: $input-height-base;
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line-height: $input-height-base;
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text-align: center;
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pointer-events: none;
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}
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.input-lg + .form-control-feedback {
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width: $input-height-lg;
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height: $input-height-lg;
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line-height: $input-height-lg;
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}
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.input-sm + .form-control-feedback {
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width: $input-height-sm;
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height: $input-height-sm;
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line-height: $input-height-sm;
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}
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// Form validation states
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.has-success {
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@include form-control-validation($state-success-text, $state-success-text, $state-success-bg);
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}
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.has-warning {
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@include form-control-validation($state-warning-text, $state-warning-text, $state-warning-bg);
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}
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.has-error {
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@include form-control-validation($state-danger-text, $state-danger-text, $state-danger-bg);
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}
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// Reposition feedback icon if input has visible label above
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.has-feedback label {
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~ .form-control-feedback {
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top: ($line-height-computed + 5); // Height of the `label` and its margin
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}
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&.sr-only ~ .form-control-feedback {
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top: 0;
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}
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}
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// Help text
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//
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// Apply to any element you wish to create light text for placement immediately
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// below a form control. Use for general help, formatting, or instructional text.
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.help-block {
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display: block; // account for any element using help-block
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margin-top: 5px;
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margin-bottom: 10px;
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color: lighten($text-color, 25%); // lighten the text some for contrast
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}
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// Inline forms
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//
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// Make forms appear inline(-block) by adding the `.form-inline` class. Inline
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// forms begin stacked on extra small (mobile) devices and then go inline when
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// viewports reach <768px.
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//
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// Requires wrapping inputs and labels with `.form-group` for proper display of
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// default HTML form controls and our custom form controls (e.g., input groups).
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//
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// Heads up! This is mixin-ed into `.navbar-form` in navbars.less.
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.form-inline {
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// Kick in the inline
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@include media-breakpoint-up(sm) {
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// Inline-block all the things for "inline"
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.form-group {
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display: inline-block;
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margin-bottom: 0;
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vertical-align: middle;
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}
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// In navbar-form, allow folks to *not* use `.form-group`
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.form-control {
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display: inline-block;
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width: auto; // Prevent labels from stacking above inputs in `.form-group`
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vertical-align: middle;
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}
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// Make static controls behave like regular ones
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.form-control-static {
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display: inline-block;
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}
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.input-group {
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display: inline-table;
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vertical-align: middle;
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.input-group-addon,
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.input-group-btn,
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.form-control {
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width: auto;
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}
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}
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// Input groups need that 100% width though
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.input-group > .form-control {
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width: 100%;
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}
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.control-label {
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margin-bottom: 0;
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vertical-align: middle;
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}
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// Remove default margin on radios/checkboxes that were used for stacking, and
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// then undo the floating of radios and checkboxes to match.
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.radio,
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.checkbox {
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display: inline-block;
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margin-top: 0;
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margin-bottom: 0;
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vertical-align: middle;
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label {
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padding-left: 0;
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}
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}
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.radio input[type="radio"],
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.checkbox input[type="checkbox"] {
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position: relative;
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margin-left: 0;
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}
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// Re-override the feedback icon.
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.has-feedback .form-control-feedback {
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top: 0;
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}
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}
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}
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// Horizontal forms
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//
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// Horizontal forms are built on grid classes and allow you to create forms with
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// labels on the left and inputs on the right.
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.form-horizontal {
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// Consistent vertical alignment of radios and checkboxes
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//
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// Labels also get some reset styles, but that is scoped to a media query below.
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.radio,
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.checkbox,
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.radio-inline,
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.checkbox-inline {
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padding-top: ($padding-base-vertical + .1); // Default padding plus a border
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margin-top: 0;
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margin-bottom: 0;
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}
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// Account for padding we're adding to ensure the alignment and of help text
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// and other content below items
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.radio,
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.checkbox {
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min-height: ($line-height-computed + ($padding-base-vertical + .1));
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}
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// Make form groups behave like rows
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.form-group {
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@include make-row();
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}
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// Reset spacing and right align labels, but scope to media queries so that
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// labels on narrow viewports stack the same as a default form example.
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@include media-breakpoint-up(sm) {
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.control-label {
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padding-top: ($padding-base-vertical + .1); // Default padding plus a border
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margin-bottom: 0;
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text-align: right;
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}
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}
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// Validation states
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//
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// Reposition the icon because it's now within a grid column and columns have
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// `position: relative;` on them. Also accounts for the grid gutter padding.
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.has-feedback .form-control-feedback {
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right: ($grid-gutter-width / 2);
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}
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// Form group sizes
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//
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// Quick utility class for applying `.input-lg` and `.input-sm` styles to the
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// inputs and labels within a `.form-group`.
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.form-group-lg {
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@include media-breakpoint-up(sm) {
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.control-label {
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padding-top: $padding-lg-vertical;
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}
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}
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}
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.form-group-sm {
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@include media-breakpoint-up(sm) {
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.control-label {
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padding-top: ($padding-sm-vertical + .1);
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}
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}
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|
}
|
|
}
|