tt-mp/core/picker-view/index.less

一套组件化、可复用、易扩展的头条小程序 UI 组件库

@import '../styles/mixins/index.less';
@import '../styles/themes/index.less';

@picker-item-height: 34px;

.@{wux-prefix}-picker-col {
  display: block;
  position: relative;
  height: @picker-item-height * 7;
  overflow: hidden;
  width: 100%;
  flex: 1;

  &--left {
    text-align: left;
  }

  &--center {
    text-align: center;
  }

  &--right {
    text-align: right;
  }

  &__mask,
  &__indicator {
    position: absolute;
    left: 0;
    width: 100%;
    z-index: 3;
  }

  &__mask {
    top: 0;
    height: 100%;
    margin: 0 auto;
    background-image:
      linear-gradient(
        180deg,
        hsla(0, 0%, 100%, 0.95),
        hsla(0, 0%, 100%, 0.6)
      ),
      linear-gradient(0deg, hsla(0, 0%, 100%, 0.95), hsla(0, 0%, 100%, 0.6));
    background-position: top, bottom;
    background-size: 100% @picker-item-height * 3;
    background-repeat: no-repeat;
  }

  &__indicator {
    box-sizing: border-box;
    height: @picker-item-height;
    top: @picker-item-height * 3;

    &::before {
      .setTopLine(@border-color-split);
    }

    &::after {
      .setBottomLine(@border-color-split);
    }
  }

  &__content {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 1;
    padding: @picker-item-height * 3 0;
  }

  &__item {
    font-size: @font-size-lg;
    height: @picker-item-height;
    line-height: @picker-item-height;
    color: @black;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;

    &--disabled {
      opacity: @disabled-opacity;
    }

    &--selected {
      font-size: @font-size-lg + 1px;
    }
  }
}