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August 29, 2015 14:15
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LESS mixin produces custom, cross-browser CSS checkbox for use with TWBS. Requires accessibility attributes on view.
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| // Custom checkbox | |
| // | |
| // Requires checkbox type input with sibling label having the 'for' attribute | |
| // Relies on TWBS label display setting of 'display: inline-block;' | |
| // The label appears as the checkbox, while the real/orginal checkbox isn't displayed | |
| // Unicode is used for checkmark representation | |
| .input-checkbox-variant(@color; @background; @border; @size) | |
| when (get-unit(@size) = rem), (get-unit(@size) = em){ | |
| input[type='checkbox']{display: none;} | |
| input[type='checkbox'] label{ | |
| padding-left: 0; /* overrides TWBS default */ | |
| vertical-align: middle; | |
| } | |
| input[type='checkbox'] + label{ | |
| height: @size; | |
| width: @size; | |
| border: 1px solid @border; | |
| background: @background; | |
| } | |
| input[type='checkbox'] + label::before{ | |
| position: relative; | |
| @strip: unit(@size); | |
| @increment: ((@strip + 1) * -1); | |
| top: unit(@increment, px); /* change or remote calculation */ | |
| right: unit(@increment, px); /*remove*/ | |
| content: ""; | |
| } | |
| input[type='checkbox']:checked + label::before{ | |
| color: @color; | |
| font-size: @size; | |
| content: "\2713"; | |
| } | |
| } |
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| .custom .checkbox{ | |
| .input-checkbox-variant(@color-custom; @background-custom; @border-custom; @size-checkbox); | |
| } |
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| <!-- --> | |
| <form class='custom'> | |
| <div class="form-group"> | |
| <label for="exampleInputEmail1">Email address</label> | |
| <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Enter email"> | |
| </div> | |
| <div class='checkbox'> | |
| <input id="checkbox-1" type="checkbox" /> | |
| <label id="checkbox-1-custom" for="checkbox-1" aria-checked="false" role='checkbox' tabindex="0"></label> | |
| <label id='yes' role="label" for="checkbox-1-custom">Remember me next time</label> | |
| </div> | |
| </form> |
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