ten-design-vue/lib/theme/components/menu.less

ten-vue

/* dependencies icon */
@import "../vars.less";
@import "../mixins/index.less";

@item: ten-menu-item;
@content: ten-menu-item__content;
@contentinner: ten-menu-item__contentinner;
@contenticon: ten-menu-item__content-icon;
@contentcarret: ten-menu-item__content-carret;
@submenu: ten-menu-item__submenu;

// 垂直模式折叠时，第一级选中与 hover 样式
.deep-0-collapse-selected() {
  color: @menu-item-deep-0-color-active-collapsed;
  background: @menu-item-deep-0-bg-active-collapsed;

  .@{contenticon} {
    color: @menu-item-deep-0-color-active-collapsed;
  }
}

.hover() {
  &:hover {
    color: @menu-item-color-hover;
    background: @menu-item-bg-hover;
  }
}

.hover--ghost() {
  &:hover {
    color: #fff;
    background: none;
  }
}

.flex-center() {
  display: flex;
  align-items: center;
}


.ten-menu {
  position: relative;
  font-size: @font-size-base;
  background-color: #fff;

  &-nav {
    .clearfix();
  }

}

// 菜单项
.ten-menu-item {
  position: relative;
  cursor: pointer;
  white-space: nowrap;
  width: 100%;
  float: left;
  user-select: none;

  &__content {
    .flex-center();
    position: relative;
    transition: background-color .2s;
    padding: (@menu-item-deep-0-height-vertical - @menu-item-content-height-vertical) / 2 0;

    .@{contentinner} {
      width: 100%;
      padding: @menu-item-content-padding-vertical;
      line-height: @menu-item-content-height-vertical;
      height: @menu-item-content-height-vertical;
      color: @text-color-lighter-1;
      .hover;

      &:hover .@{contenticon} {
        color: @menu-item-color-hover;
      }
    }

    &-icon {
      font-size: 20px;
      line-height: 20px;
      color: @icon-color;

      .ten-icon {
        margin-left: 2px;
        margin-right: 14px;
        vertical-align: middle;
      }
    }

    &-carret {
      display: block;
      position: absolute;
      right: @menu-submenu-carret-right-vertical;
      top: 50%;
      transform: translateY(-50%);
      transition: transform .2s;
      color: @icon-color;
    }

    &--expanded &-carret {
      transform: translateY(-50%) rotate(180deg);
    }

    &.@{content}--selected .@{contentinner} {
      background: @menu-item-bg-active;
      color: @menu-item-color-active;

      .@{contenticon} {
        color: @menu-item-color-active;
      }
    }

  }


  &--paddingdeep {

    &-1 {
      .@{contentinner} {
        padding-left: 56px;
      }
    }

    &-2 .@{contentinner} {
      padding-left: 72px;
    }

    &-3 .@{contentinner} {
      padding-left: 92px;
    }
  }
}

// vertical
.ten-menu--vertical {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  width: @menu-width-vertical;

  &--collapsable {
    padding-bottom: 48px;
    transition: width .2s;
  }

  .ten-menu-header {
    flex: none;
  }

  .ten-menu-nav {
    flex: 1;
    padding: @menu-padding-vertical;
    height: 100%;
    overflow-y: auto;
  }

  .@{content} .@{content}-content,
  .@{content}-carret {
    transition: opacity .2s;
  }

  .@{content}--childrenselected .@{contentinner} {
    .deep-0-collapse-selected();
  }


  // 垂直模式-折叠
  &--collapsed {
    width: @menu-collapsed-width-vertical!important;
    overflow: hidden;

    .ten-menu-nav {
      padding: 0;
      overflow: visible;
    }

    .@{item}--deep-0 {
      z-index: 1;

      &.@{item}--hoverexpanded {
        z-index: 2;
        box-shadow: @shadow-level-1;
      }

      >.@{content} {
        padding: (@menu-item-deep-0-height-vertical - @menu-item-content-height-vertical) / 2 16px;
        // background: #fff;
        z-index: 1;

        &--childrenselected .@{contentinner},
        &--selected .@{contentinner} {
          .deep-0-collapse-selected();
        }
      }

      >.@{content} .@{content}-content,
      >.@{content} .@{content}-carret {
        opacity: 0;
      }

      >.@{submenu} {
        // display: block !important;
        position: absolute;
        z-index: 0;
        top: 0;
        left: @menu-collapsed-width-vertical;
        width: @menu-collapsed-submenu-width-vertical;
        padding: 3px 16px;
        background: #fff;
        box-shadow: @shadow-level-1;
      }
    }
  }

  &--collapsed&--collapse-all {
    width: 0;
  }

  &--aftercollapsed {
    overflow: visible;

    .@{item}--deep-0>.@{content} .@{content}-content,
    .@{item}--deep-0>.@{content} .@{content}-carret {
      display: none;
    }

    &.ten-menu--vertical--collapse-all {
      .ten-menu-header {
        display: none;
      }
      .@{item}--deep-0>.@{content},
      .@{item}--deep-0>.@{content} {
        display: none;
      }
      .ten-menu__footer {
        width: 56px;
        right: 0;
        .ten-menu__footer-carret {
          right: 21px;
          transition: none;
        }
      }
    }
  }

  &--collapsing {
    overflow: hidden;
    .ten-menu-nav {
      overflow: hidden
    }
  }
}

// footer {
.ten-menu__footer {
  flex: none;
  position: absolute;
  z-index: 1;
  left: 0;
  bottom: 0;
  width: 100%;
  height: @menu-footer-height;
  border-top: #F0F0F0 1px dashed;
  // background: #fff;
  // position: relative;
  overflow: hidden;
  cursor: pointer;

  &-carret {
    display: block;
    font-size: 16px;
    position: absolute;
    top: @menu-footer-top;
    right: 16px;
    transition: all .4s ease-in-out;
    color: @icon-color;
  }

  &--collapsed {
    width: 100%;

    .ten-menu__footer-carret {
      right: @menu-footer-right;
      transform: rotateY(180deg);
    }
  }
}

// horizontal
.ten-menu--horizontal {
  .ten-menu-header {
    float: left;
    height: @menu-item-height-horizontal;
    line-height: @menu-item-height-horizontal - 2px;
    width: auto;
  }

  .@{item} {
    &--deep-0 {
      float: left;
      margin: 0;
      width: auto;

      >.@{content} {
        padding: 0;
      }

      >.@{content} .@{contentinner} {
        padding: 0 24px;
        line-height: @menu-item-height-horizontal;
        height: @menu-item-height-horizontal;
        border-bottom: 2px solid transparent;
      }

      >.@{content} .@{content}-carret {
        right: @menu-submenu-carret-right-horizontal;
      }

      &.@{item}--ismenu>.@{content} .@{contentinner} {
        padding-right: 50px;
      }

      >.@{content} {

        &--childrenselected .@{contentinner},
        &--selected>.@{contentinner} {
          .deep-0-collapse-selected();
          border-bottom: 2px solid @primary-color;
        }
      }

      >.@{submenu} {
        // display: block !important;
        position: absolute;
        z-index: 0;
        top: 100%;
        left: 0;
        width: @menu-collapsed-submenu-width-vertical;
        padding: 3px 16px;
        background: #fff;
        box-shadow: @shadow-level-1;
      }
    }
  }
}

// theme
.ten-menu--theme-ghost.ten-menu {
  background: none;

  .@{item}--deep-0 {
    >.@{content} {
      .@{contentinner} {
        color: @text-color-white-lighter-2;
        background: none;
        .hover--ghost;
      }

      &--selected .@{contentinner},
      &--childrenselected .@{contentinner} {
        // color: @primary-color;
        background: none;
      }
    }

    .@{item}--deep-1 {
      >.@{content} {
        &--childrenselected .@{contentinner} {
          color: @primary-color;
          background: none;
        }
      }
    }
  }

  &.ten-menu--horizontal {
    .@{item}--deep-0 {
      >.@{content} {

        &--childrenselected .@{contentinner},
        &--selected>.@{contentinner} {
          border-bottom: 2px solid #fff;
        }
      }
    }
  }
}