ant-design/components/tree/style/index.less

@import "../../style/themes/default";
@import "../../style/mixins/index";
@import "../../checkbox/style/mixin";
@import "./mixin";

@tree-prefix-cls: ~"@{ant-prefix}-tree";
@tree-showline-icon-color: @text-color-secondary;

.antCheckboxFn(@checkbox-prefix-cls: ~"@{ant-prefix}-tree-checkbox");

.@{tree-prefix-cls} {
  .reset-component;
  margin: 0;
  padding: 0;

  ol, ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  li {
    padding: 4px 0;
    margin: 0;
    list-style: none;
    white-space: nowrap;
    outline: 0;
    span[draggable],
    span[draggable="true"] {
      user-select: none;
      border-top: 2px transparent solid;
      border-bottom: 2px transparent solid;
      margin-top: -2px;
      /* Required to make elements draggable in old WebKit */
      -khtml-user-drag: element;
      -webkit-user-drag: element;
    }
    &.drag-over {
      > span[draggable] {
        background-color: @primary-color;
        color: white;
        opacity: 0.8;
      }
    }
    &.drag-over-gap-top {
      > span[draggable] {
        border-top-color: @primary-color;
      }
    }
    &.drag-over-gap-bottom {
      > span[draggable] {
        border-bottom-color: @primary-color;
      }
    }
    &.filter-node {
      > span {
        color: @highlight-color !important;
        font-weight: 500 !important;
      }
    }
    ul {
      margin: 0;
      padding: 0 0 0 18px;
    }
    .@{tree-prefix-cls}-node-content-wrapper {
      display: inline-block;
      padding: 0 5px;
      border-radius: @border-radius-sm;
      margin: 0;
      cursor: pointer;
      text-decoration: none;
      vertical-align: top;
      color: @text-color;
      transition: all .3s;
      position: relative;
      height: 24px;
      line-height: 24px;
      &:hover {
        background-color: @item-hover-bg;
      }
      &.@{tree-prefix-cls}-node-selected {
        background-color: @primary-2;
      }
    }
    span {
      &.@{tree-prefix-cls}-checkbox {
        margin: 4px 4px 0 2px;
      }
      &.@{tree-prefix-cls}-switcher,
      &.@{tree-prefix-cls}-iconEle {
        margin: 0;
        width: 24px;
        height: 24px;
        line-height: 24px;
        display: inline-block;
        vertical-align: middle;
        border: 0 none;
        cursor: pointer;
        outline: none;
        text-align: center;
      }
      &.@{tree-prefix-cls}-icon_loading {
        position: absolute;
        left: 0;
        top: 1px;
        background: #fff;
        transform: translateX(-100%);
        transition: all .3s;
        &:after {
          display: inline-block;
          .iconfont-font("\E64D");
          animation: loadingCircle 1s infinite linear;
          color: @primary-color;
        }
      }
      &.@{tree-prefix-cls}-switcher {
        &.@{tree-prefix-cls}-switcher-noop {
          cursor: default;
        }
        &.@{tree-prefix-cls}-switcher_open {
          .antTreeSwitcherIcon();
        }
        &.@{tree-prefix-cls}-switcher_close {
          .antTreeSwitcherIcon();
          &:after {
            transform: rotate(270deg) scale(0.59);
          }
        }
      }
    }
    &:last-child > span {
      &.@{tree-prefix-cls}-switcher,
      &.@{tree-prefix-cls}-iconEle {
        &:before {
          display: none;
        }
      }
    }
  }
  > li {
    &:first-child {
      padding-top: 7px;
    }
    &:last-child {
      padding-bottom: 7px;
    }
  }
  &-child-tree {
    display: none;
    &-open {
      display: block;
    }
  }
  li&-treenode-disabled {
    > span,
    > .@{tree-prefix-cls}-node-content-wrapper,
    > .@{tree-prefix-cls}-node-content-wrapper span,
    > span.@{tree-prefix-cls}-switcher {
      color: @disabled-color;
      cursor: not-allowed;
    }
    > .@{tree-prefix-cls}-node-content-wrapper:hover {
      background: transparent;
    }
  }
  &-icon__open {
    margin-right: 2px;
    vertical-align: top;
  }
  &-icon__close {
    margin-right: 2px;
    vertical-align: top;
  }
  // Tree with line
  &&-show-line {
    li {
      position: relative;
      span {
        &.@{tree-prefix-cls}-switcher {
          background: @component-background;
          color: @tree-showline-icon-color;
          &.@{tree-prefix-cls}-switcher-noop {
            .antTreeShowLineIcon("tree-doc-icon");
          }
          &.@{tree-prefix-cls}-switcher_open {
            .antTreeShowLineIcon("tree-showline-open-icon");
          }
          &.@{tree-prefix-cls}-switcher_close {
            .antTreeShowLineIcon("tree-showline-close-icon");
          }
        }
      }
    }
    li:not(:last-child):before {
      content: ' ';
      width: 1px;
      border-left: 1px solid @border-color-base;
      height: 100%;
      position: absolute;
      left: 12px;
      margin: 22px 0;
    }
  }
}