_forms.scss
9.03 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
// stylelint-disable selector-no-qualifying-type
//
// Textual form controls
//
.form-control {
display: block;
width: 100%;
height: $input-height;
padding: $input-padding-y $input-padding-x;
font-family: $input-font-family;
@include font-size($input-font-size);
font-weight: $input-font-weight;
line-height: $input-line-height;
color: $input-color;
background-color: $input-bg;
background-clip: padding-box;
border: $input-border-width solid $input-border-color;
// Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS.
@include border-radius($input-border-radius, 0);
@include box-shadow($input-box-shadow);
@include transition($input-transition);
// Unstyle the caret on `<select>`s in IE10+.
&::-ms-expand {
background-color: transparent;
border: 0;
}
// Remove select outline from select box in FF
&:-moz-focusring {
color: transparent;
text-shadow: 0 0 0 $input-color;
}
// Customize the `:focus` state to imitate native WebKit styles.
@include form-control-focus($ignore-warning: true);
// Placeholder
&::placeholder {
color: $input-placeholder-color;
// Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526.
opacity: 1;
}
// Disabled and read-only inputs
//
// HTML5 says that controls under a fieldset > legend:first-child won't be
// disabled if the fieldset is disabled. Due to implementation difficulty, we
// don't honor that edge case; we style them as disabled anyway.
&:disabled,
&[readonly] {
background-color: $input-disabled-bg;
// iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.
opacity: 1;
}
}
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"] {
&.form-control {
appearance: none; // Fix appearance for date inputs in Safari
}
}
select.form-control {
&:focus::-ms-value {
// Suppress the nested default white text on blue background highlight given to
// the selected option text when the (still closed) <select> receives focus
// in IE and (under certain conditions) Edge, as it looks bad and cannot be made to
// match the appearance of the native widget.
// See https://github.com/twbs/bootstrap/issues/19398.
color: $input-color;
background-color: $input-bg;
}
}
// Make file inputs better match text inputs by forcing them to new lines.
.form-control-file,
.form-control-range {
display: block;
width: 100%;
}
//
// Labels
//
// For use with horizontal and inline forms, when you need the label (or legend)
// text to align with the form controls.
.col-form-label {
padding-top: add($input-padding-y, $input-border-width);
padding-bottom: add($input-padding-y, $input-border-width);
margin-bottom: 0; // Override the `<label>/<legend>` default
@include font-size(inherit); // Override the `<legend>` default
line-height: $input-line-height;
}
.col-form-label-lg {
padding-top: add($input-padding-y-lg, $input-border-width);
padding-bottom: add($input-padding-y-lg, $input-border-width);
@include font-size($input-font-size-lg);
line-height: $input-line-height-lg;
}
.col-form-label-sm {
padding-top: add($input-padding-y-sm, $input-border-width);
padding-bottom: add($input-padding-y-sm, $input-border-width);
@include font-size($input-font-size-sm);
line-height: $input-line-height-sm;
}
// Readonly controls as plain text
//
// Apply class to a readonly input to make it appear like regular plain
// text (without any border, background color, focus indicator)
.form-control-plaintext {
display: block;
width: 100%;
padding: $input-padding-y 0;
margin-bottom: 0; // match inputs if this class comes on inputs with default margins
@include font-size($input-font-size);
line-height: $input-line-height;
color: $input-plaintext-color;
background-color: transparent;
border: solid transparent;
border-width: $input-border-width 0;
&.form-control-sm,
&.form-control-lg {
padding-right: 0;
padding-left: 0;
}
}
// Form control sizing
//
// Build on `.form-control` with modifier classes to decrease or increase the
// height and font-size of form controls.
//
// Repeated in `_input_group.scss` to avoid Sass extend issues.
.form-control-sm {
height: $input-height-sm;
padding: $input-padding-y-sm $input-padding-x-sm;
@include font-size($input-font-size-sm);
line-height: $input-line-height-sm;
@include border-radius($input-border-radius-sm);
}
.form-control-lg {
height: $input-height-lg;
padding: $input-padding-y-lg $input-padding-x-lg;
@include font-size($input-font-size-lg);
line-height: $input-line-height-lg;
@include border-radius($input-border-radius-lg);
}
// stylelint-disable-next-line no-duplicate-selectors
select.form-control {
&[size],
&[multiple] {
height: auto;
}
}
textarea.form-control {
height: auto;
}
// Form groups
//
// Designed to help with the organization and spacing of vertical forms. For
// horizontal forms, use the predefined grid classes.
.form-group {
margin-bottom: $form-group-margin-bottom;
}
.form-text {
display: block;
margin-top: $form-text-margin-top;
}
// Form grid
//
// Special replacement for our grid system's `.row` for tighter form layouts.
.form-row {
display: flex;
flex-wrap: wrap;
margin-right: -$form-grid-gutter-width / 2;
margin-left: -$form-grid-gutter-width / 2;
> .col,
> [class*="col-"] {
padding-right: $form-grid-gutter-width / 2;
padding-left: $form-grid-gutter-width / 2;
}
}
// Checkboxes and radios
//
// Indent the labels to position radios/checkboxes as hanging controls.
.form-check {
position: relative;
display: block;
padding-left: $form-check-input-gutter;
}
.form-check-input {
position: absolute;
margin-top: $form-check-input-margin-y;
margin-left: -$form-check-input-gutter;
// Use [disabled] and :disabled for workaround https://github.com/twbs/bootstrap/issues/28247
&[disabled] ~ .form-check-label,
&:disabled ~ .form-check-label {
color: $text-muted;
}
}
.form-check-label {
margin-bottom: 0; // Override default `<label>` bottom margin
}
.form-check-inline {
display: inline-flex;
align-items: center;
padding-left: 0; // Override base .form-check
margin-right: $form-check-inline-margin-x;
// Undo .form-check-input defaults and add some `margin-right`.
.form-check-input {
position: static;
margin-top: 0;
margin-right: $form-check-inline-input-margin-x;
margin-left: 0;
}
}
// Form validation
//
// Provide feedback to users when form field values are valid or invalid. Works
// primarily for client-side validation via scoped `:invalid` and `:valid`
// pseudo-classes but also includes `.is-invalid` and `.is-valid` classes for
// server side validation.
@each $state, $data in $form-validation-states {
@include form-validation-state($state, map-get($data, color), map-get($data, icon));
}
// Inline forms
//
// Make forms appear inline(-block) by adding the `.form-inline` class. Inline
// forms begin stacked on extra small (mobile) devices and then go inline when
// viewports reach <768px.
//
// Requires wrapping inputs and labels with `.form-group` for proper display of
// default HTML form controls and our custom form controls (e.g., input groups).
.form-inline {
display: flex;
flex-flow: row wrap;
align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height)
// Because we use flex, the initial sizing of checkboxes is collapsed and
// doesn't occupy the full-width (which is what we want for xs grid tier),
// so we force that here.
.form-check {
width: 100%;
}
// Kick in the inline
@include media-breakpoint-up(sm) {
label {
display: flex;
align-items: center;
justify-content: center;
margin-bottom: 0;
}
// Inline-block all the things for "inline"
.form-group {
display: flex;
flex: 0 0 auto;
flex-flow: row wrap;
align-items: center;
margin-bottom: 0;
}
// Allow folks to *not* use `.form-group`
.form-control {
display: inline-block;
width: auto; // Prevent labels from stacking above inputs in `.form-group`
vertical-align: middle;
}
// Make static controls behave like regular ones
.form-control-plaintext {
display: inline-block;
}
.input-group,
.custom-select {
width: auto;
}
// Remove default margin on radios/checkboxes that were used for stacking, and
// then undo the floating of radios and checkboxes to match.
.form-check {
display: flex;
align-items: center;
justify-content: center;
width: auto;
padding-left: 0;
}
.form-check-input {
position: relative;
flex-shrink: 0;
margin-top: 0;
margin-right: $form-check-input-margin-x;
margin-left: 0;
}
.custom-control {
align-items: center;
justify-content: center;
}
.custom-control-label {
margin-bottom: 0;
}
}
}