metro4/source/components/action-button/action-button.less

The front-end framework for Build responsive, mobile-first projects on the web with the first front-end component library in Metro Style

@import (once) "../../include/vars";
@import (once) "../../include/mixins";

.action-button {
    padding: 0;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    line-height: 56px;
    text-align: center;
    display: inline-block;
    font-weight: 400;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    font-size: .875rem;
    transition: @transition-short;
    background-color: darken(@light, 5%);
    color: @dark;
    cursor: pointer;
    outline: none;
    position: relative;


    .shadow(1);

    .icon {
        width: 20px;
        height: 20px;
        line-height: 20px;
        font-size: 20px;
        display: inline-block;
        text-align: center;
        margin-top: 18px;

        & > * {
            width: 100%;
            max-height: 100%;
            display: inline-block;
        }
    }


    &.second {
        width: 40px;
        height: 40px;
        line-height: 40px;
        box-shadow: 0 2px 10px 0 rgba(0,0,0,.16), 0 2px 5px 0 rgba(0,0,0,.26);

        .icon {
            width: 16px;
            height: 16px;
            line-height: 16px;
            font-size: 16px;
            margin-top: 0;
        }
    }

    &.prime {
        .shadow(2);
    }
    &:active {
        .shadow(3);
    }
}

.multi-action {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    .square(56, px);
}

.multi-action {
    .action-button {
        position: absolute;
        z-index: 2;
        margin: 0 !important;
    }

    .actions {
        position: absolute;
        list-style: none inside none;
        margin: 0 0 0 0;
        padding: 0;
        width: auto;
        float: left;
        background-color: transparent;
        top: 8px;
        left: 8px;
        z-index: 1;
        .circle(40, px);
    }

    .actions {
        li {
            position: absolute;
            display: block;
            .circle(40, px);
            .shadow(1);
            margin: 0;
            background: @darkGray;
            color: @white;
            transform: scale(.2);
            line-height: 40px;
            font-size: 20px;
            transition: all .3s;
            cursor: pointer;

            a {
                background: inherit;
                color: inherit;
                display: block;
                .circle(40, px);
                line-height: 40px;
                text-align: center;
                text-decoration: none;
            }

            &:active {
                .shadow(2);
            }
        }
    }

    .actions {
        &.drop-right, &.drop-left, &.drop-down, &.drop-up {
            top: 8px!important;
            left: 8px!important;
        }
    }

    .action-button {
        &.active ~ .actions {
            li {
                transition: all .3s;
                transform: scale(1);
            }

            li {
                &:nth-child(1) {margin-top: -56px;}
                &:nth-child(2) {margin-top: -104px;}
                &:nth-child(3) {margin-top: -152px;}
                &:nth-child(4) {margin-top: -200px;}
                &:nth-child(5) {margin-top: -248px;}
                &:nth-child(6) {margin-top: -296px;}
                &:nth-child(7) {margin-top: -344px;}
                &:nth-child(8) {margin-top: -392px;}
                &:nth-child(9) {margin-top: -440px;}
                &:nth-child(10) {margin-top: -488px;}
            }
        }

        &.active ~ .actions.drop-bottom, &.active ~ .actions.drop-down {

            li {
                &:nth-child(1) {margin-top: 56px;}
                &:nth-child(2) {margin-top: 104px;}
                &:nth-child(3) {margin-top: 152px;}
                &:nth-child(4) {margin-top: 200px;}
                &:nth-child(5) {margin-top: 248px;}
                &:nth-child(6) {margin-top: 296px;}
                &:nth-child(7) {margin-top: 344px;}
                &:nth-child(8) {margin-top: 392px;}
                &:nth-child(9) {margin-top: 440px;}
                &:nth-child(10) {margin-top: 488px;}
            }
        }
        &.active ~ .actions.drop-right {

            li {
                margin-top: 0;
            }
            li {
                &:nth-child(1) {margin-left: 56px;}
                &:nth-child(2) {margin-left: 104px;}
                &:nth-child(3) {margin-left: 152px;}
                &:nth-child(4) {margin-left: 200px;}
                &:nth-child(5) {margin-left: 248px;}
                &:nth-child(6) {margin-left: 296px;}
                &:nth-child(7) {margin-left: 344px;}
                &:nth-child(8) {margin-left: 392px;}
                &:nth-child(9) {margin-left: 440px;}
                &:nth-child(10) {margin-left: 488px;}
            }
        }
        &.active ~ .actions.drop-left {

            li {
                margin-top: 0;
            }
            li {
                &:nth-child(1) {margin-left: -56px;}
                &:nth-child(2) {margin-left: -104px;}
                &:nth-child(3) {margin-left: -152px;}
                &:nth-child(4) {margin-left: -200px;}
                &:nth-child(5) {margin-left: -248px;}
                &:nth-child(6) {margin-left: -296px;}
                &:nth-child(7) {margin-left: -344px;}
                &:nth-child(8) {margin-left: -392px;}
                &:nth-child(9) {margin-left: -440px;}
                &:nth-child(10) {margin-left: -488px;}
            }
        }
    }

    .action-button .icon {
        transition: all .3s;
    }

    .action-button {
        &.active.rotate .icon {
            .rotate(45deg);
        }
        &.active.rotate-minus .icon {
            .rotate(-45deg);
        }
    }
}

.action-button, .multi-action {
    &.floating-action-top {
        z-index: @zindex-top; top: 90px; left: 16px; position: fixed;
    }
    &.floating-action-bottom {
        z-index: @zindex-top; bottom: 20px; right: 20px; position: fixed;
    }
}