resources/src/mediawiki.ui/components/buttons.less

   1 @import 'mediawiki.mixins';
   2 @import 'mediawiki.ui/variables';
   3
   4 // Buttons
   5 // Helper mixins
   6 // Primary buttons mixin
   7 .button-colors-primary( @bgColor, @highlightColor, @activeColor ) {
   8         background-color: @bgColor;
   9         color: #fff;
  10         // border of the same color as background so that light background and
  11         // dark background buttons are the same height and width
  12         border: 1px solid @bgColor;
  13
  14         &:hover {
  15                 background-color: @highlightColor;
  16                 border-color: @highlightColor;
  17         }
  18
  19         &:focus {
  20                 box-shadow: inset 0 0 0 1px @bgColor, inset 0 0 0 2px #fff;
  21         }
  22
  23         &:active,
  24         &.is-on {
  25                 background-color: @activeColor;
  26                 border-color: @activeColor;
  27                 box-shadow: none;
  28         }
  29
  30         &:disabled {
  31                 background-color: @colorGray12;
  32                 color: #fff;
  33                 border-color: @colorGray12;
  34
  35                 // Make sure disabled buttons don't have hover and active states
  36                 &:hover,
  37                 &:active {
  38                         background-color: @colorGray12;
  39                         color: #fff;
  40                         border-color: @colorGray12;
  41                         box-shadow: none;
  42                 }
  43         }
  44 }
  45
  46 // All buttons start with `.mw-ui-button` class, modified by other classes.
  47 // It can be any element.  Due to a lack of a CSS reset, the exact styling of
  48 // the button depends on what type of element is used.
  49 // There are two kinds of buttons, the default is a "Call to Action" with an obvious border
  50 // and there is a quiet kind without a border.
  51 //
  52 // Styleguide 2.
  53
  54 // Neutral button styling
  55 //
  56 // These are the main actions on the page/workflow. The page should have only one of progressive and destructive buttons, the rest being quiet.
  57 //
  58 // Markup:
  59 // <div>
  60 //   <button class="mw-ui-button">.mw-ui-button</button>
  61 // </div>
  62 // <div>
  63 //   <button class="mw-ui-button" disabled>.mw-ui-button</button>
  64 // </div>
  65 //
  66 // Styleguide 2.1.
  67 .mw-ui-button {
  68         background-color: @colorGray15;
  69         color: @colorButtonText;
  70         // Container layout
  71         display: inline-block;
  72         .box-sizing( border-box );
  73         min-width: 4em;
  74         max-width: 28.75em; // equivalent to 460px, @see T95367
  75         margin: 0;
  76         padding: 0.546875em 1em;
  77         border: @border-width-base @border-style-base @border-color-base;
  78         border-radius: @borderRadius;
  79         // Inherit the font rather than apply user agent stylesheet (T72072)
  80         font-family: inherit;
  81         font-size: 1em;
  82         font-weight: bold;
  83         line-height: 1.286;
  84         text-align: center;
  85         // Disable weird iOS styling
  86         -webkit-appearance: none;
  87         // IE 6 & 7 hack
  88         // https://stackoverflow.com/a/5838575/365238
  89         *display: inline; /* stylelint-disable-line declaration-block-no-duplicate-properties */
  90         zoom: 1;
  91         // Ensure that buttons and inputs are nicely aligned when they have differing heights
  92         vertical-align: middle;
  93         // Interaction styling
  94         cursor: pointer;
  95
  96         // Make sure that `color` isn't inheriting from user-agent styles
  97         &:visited {
  98                 color: @colorButtonText;
  99         }
 100
 101         &:hover {
 102                 background-color: @background-color-base;
 103                 color: @colorGray4;
 104                 border-color: @colorGray10;
 105         }
 106
 107         &:focus {
 108                 background-color: @background-color-base;
 109                 // Make sure that `color` isn't inheriting from user-agent styles
 110                 color: @colorButtonText;
 111                 border-color: @colorProgressive;
 112                 box-shadow: inset 0 0 0 1px @colorProgressive, inset 0 0 0 2px @background-color-base;
 113                 outline-width: 0;
 114
 115                 // Remove the inner border and padding in Firefox.
 116                 &::-moz-focus-inner {
 117                         border-color: transparent;
 118                         padding: 0;
 119                 }
 120         }
 121
 122         &:active,
 123         &.is-on {
 124                 background-color: @colorGray12;
 125                 color: @colorGray1;
 126                 border-color: @colorGray7;
 127                 box-shadow: none;
 128         }
 129
 130         &:disabled,
 131         &.mw-ui-quiet.mw-ui-progressive,
 132         &.mw-ui-quiet.mw-ui-destructive {
 133                 background-color: @colorGray12;
 134                 color: @colorBaseInverted;
 135                 border-color: @colorGray12;
 136                 cursor: default;
 137
 138                 // Make sure disabled buttons don't have hover and active states
 139                 &:hover,
 140                 &:active {
 141                         background-color: @colorGray12;
 142                         color: @colorBaseInverted;
 143                         box-shadow: none;
 144                         border-color: @colorGray12;
 145                 }
 146         }
 147
 148         // `:not()` is used exclusively for `transition`s as both are not supported by IE < 9
 149         &:not( :disabled ) {
 150                 .transition( ~'background-color 100ms, color 100ms, border-color 100ms, box-shadow 100ms' );
 151         }
 152
 153         // Styling for specific button types
 154         // -----------------------------------------
 155
 156         // Quiet buttons
 157         //
 158         // Use quiet buttons when they are less important and alongside other progressive or destructive buttons. It should be used for an action that exits the user from the current view/workflow.
 159         // Its use is  not recommended on mobile/tablet due to lack of hover state.
 160         //
 161         // Markup:
 162         // <div>
 163         //   <button class="mw-ui-button mw-ui-quiet">.mw-ui-button</button>
 164         // </div>
 165         // <div>
 166         //   <button class="mw-ui-button mw-ui-destructive mw-ui-quiet">.mw-ui-destructive</button>
 167         // </div>
 168         // <div>
 169         //   <button class="mw-ui-button mw-ui-destructive mw-ui-quiet" disabled>.mw-ui-destructive</button>
 170         // </div>
 171         // <div>
 172         //   <button class="mw-ui-button mw-ui-progressive mw-ui-quiet">.mw-ui-progressive</button>
 173         // </div>
 174         // <div>
 175         //   <button class="mw-ui-button mw-ui-progressive mw-ui-quiet" disabled>.mw-ui-progressive</button>
 176         // </div>
 177         //
 178         // Styleguide 2.1.1.
 179         &.mw-ui-quiet {
 180                 background-color: transparent;
 181                 // Quiet buttons all start gray, and reveal
 182                 // progressive/destructive color on hover and active.
 183                 color: @colorButtonText;
 184                 border-color: transparent;
 185
 186                 &:hover {
 187                         background-color: transparent;
 188                         color: @colorButtonTextHighlight;
 189                         border-color: transparent;
 190                         box-shadow: none;
 191                 }
 192
 193                 &:active {
 194                         background-color: transparent;
 195                         color: @colorButtonTextActive;
 196                         border-color: transparent;
 197                 }
 198
 199                 &:focus {
 200                         background-color: transparent;
 201                         color: @colorButtonText;
 202                         border-color: transparent;
 203                         box-shadow: none;
 204                 }
 205
 206                 &:disabled {
 207                         background-color: transparent;
 208                         color: @colorDisabledText;
 209                         border-color: transparent;
 210                 }
 211         }
 212
 213         // Progressive buttons
 214         //
 215         // Use progressive buttons for actions which lead to a next step in the process.
 216         //
 217         // Markup:
 218         // <div>
 219         //   <button class="mw-ui-button mw-ui-progressive">.mw-ui-progressive</button>
 220         // </div>
 221         // <div>
 222         //   <button class="mw-ui-button mw-ui-progressive" disabled>.mw-ui-progressive</button>
 223         // </div>
 224         //
 225         // Styleguide 2.1.2.
 226         &.mw-ui-progressive {
 227                 .button-colors-primary( @colorProgressive, @colorProgressiveHighlight, @colorProgressiveActive );
 228
 229                 &.mw-ui-quiet {
 230                         color: @colorProgressive;
 231
 232                         &:hover {
 233                                 background-color: transparent;
 234                                 color: @colorProgressiveHighlight;
 235                         }
 236
 237                         &:active {
 238                                 color: @colorProgressiveActive;
 239                         }
 240
 241                         &:focus {
 242                                 background-color: transparent;
 243                                 color: @colorProgressive;
 244                         }
 245                 }
 246         }
 247
 248         // Destructive buttons
 249         //
 250         // Use destructive buttons for actions that remove or limit, such as deleting a page or blocking a user.
 251         // This should not be used for cancel buttons.
 252         //
 253         // Markup:
 254         // <div>
 255         //   <button class="mw-ui-button mw-ui-destructive">.mw-ui-destructive</button>
 256         // </div>
 257         // <div>
 258         //   <button class="mw-ui-button mw-ui-destructive" disabled>.mw-ui-destructive</button>
 259         // </div>
 260         //
 261         // Styleguide 2.1.3.
 262         &.mw-ui-destructive {
 263                 .button-colors-primary( @colorDestructive, @colorDestructiveHighlight, @colorDestructiveActive );
 264
 265                 &.mw-ui-quiet {
 266                         color: @colorDestructive;
 267
 268                         &:hover {
 269                                 background-color: transparent;
 270                                 color: @colorDestructiveHighlight;
 271                         }
 272
 273                         &:active {
 274                                 color: @colorDestructiveActive;
 275                         }
 276
 277                         &:focus {
 278                                 background-color: transparent;
 279                                 color: @colorDestructive;
 280                         }
 281                 }
 282         }
 283
 284         // Big buttons
 285         //
 286         // Not all buttons are equal. You can emphasise certain actions over others
 287         // using the mw-ui-big class.
 288         //
 289         // Markup:
 290         // <div>
 291         //   <button class="mw-ui-button mw-ui-big">.mw-ui-button</button>
 292         // </div>
 293         // <div>
 294         //   <button class="mw-ui-button mw-ui-progressive mw-ui-big">.mw-ui-progressive</button>
 295         // </div>
 296         // <div>
 297         //   <button class="mw-ui-button mw-ui-destructive mw-ui-big">.mw-ui-destructive</button>
 298         // </div>
 299         //
 300         // Styleguide 2.1.4.
 301         &.mw-ui-big {
 302                 font-size: 1.3em;
 303         }
 304
 305         // Block buttons
 306         //
 307         // Some buttons might need to be stacked.
 308         //
 309         // Markup:
 310         // <div>
 311         //   <button class="mw-ui-button mw-ui-block">.mw-ui-button</button>
 312         // </div>
 313         // <div>
 314         //   <button class="mw-ui-button mw-ui-progressive mw-ui-block">.mw-ui-progressive</button>
 315         // </div>
 316         // <div>
 317         //   <button class="mw-ui-button mw-ui-destructive mw-ui-block">.mw-ui-destructive</button>
 318         // </div>
 319         //
 320         // Styleguide 2.1.5.
 321         &.mw-ui-block {
 322                 display: block;
 323                 width: 100%;
 324                 margin-left: auto;
 325                 margin-right: auto;
 326         }
 327 }
 328
 329 input.mw-ui-button,
 330 button.mw-ui-button {
 331         // Buttons in Firefox have extra height
 332         &::-moz-focus-inner {
 333                 margin-top: -1px;
 334                 margin-bottom: -1px;
 335         }
 336 }
 337
 338 a.mw-ui-button {
 339         text-decoration: none;
 340
 341         // This overrides an underline declaration on a:hover and a:focus in
 342         // commonElements.css, which the class alone isn't specific enough to do.
 343         &:hover,
 344         &:focus {
 345                 text-decoration: none;
 346         }
 347 }
 348
 349 // Button groups
 350 //
 351 // Group of buttons. Make sure you clear the floating after using a mw-ui-button-group.
 352 //
 353 // Markup:
 354 // <div class="mw-ui-button-group">
 355 //   <div class="mw-ui-button is-on">A</div>
 356 //   <div class="mw-ui-button">B</div>
 357 //   <div class="mw-ui-button">C</div>
 358 //   <div class="mw-ui-button">D</div>
 359 // </div><div style="clear:both"></div>
 360 //
 361 // Styleguide 2.2.
 362 .mw-ui-button-group {
 363         & > * {
 364                 min-width: 48px;
 365                 border-radius: 0;
 366                 float: left;
 367
 368                 &:first-child {
 369                         border-top-left-radius: @borderRadius;
 370                         border-bottom-left-radius: @borderRadius;
 371                 }
 372
 373                 &:not( :first-child ) {
 374                         border-left: 0;
 375                 }
 376
 377                 &:last-child {
 378                         border-top-right-radius: @borderRadius;
 379                         border-bottom-right-radius: @borderRadius;
 380                 }
 381         }
 382
 383         & .is-on .button {
 384                 cursor: default;
 385         }
 386 }