@import "mixins/mixins";
@import "common/var";
@import "common/transition";

@include b(easy-tree) {
  position: relative;
  cursor: default;
  background: $--color-white;
  color: $--tree-font-color;

  @include e(empty-block) {
    position: relative;
    min-height: 60px;
    text-align: center;
    width: 100%;
    height: 100%;
  }

  @include e(empty-text) {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: $--color-text-secondary;
  }
}

@include b(easy-tree-node) {
  white-space: nowrap;
  outline: none;

  @include e(content) {
    display: flex;
    align-items: center;
    height: 26px;
    cursor: pointer;

    &:hover {
      background-color: $--tree-node-hover-background-color;
    }
  }

  @include e(expand-icon) {
    cursor: pointer;
    padding: $--easy-tree-expand-icon-padding;
    font-size: $--easy-tree-expand-icon-font-size;
  }

  @include e(label) {
    font-size: $--font-size-base;
  }

  @include when(leaf) {
    @include e(label) {
      margin-left: $--easy-tree-expand-icon-padding;
    }
  }

  & > .hn-easy-tree-node__children {
    overflow: hidden;
    background-color: transparent;
  }

  &.is-expanded > .hn-easy-tree-node__children {
    display: block;
  }
}

.hn-easy-tree--highlight-current .hn-easy-tree-node.is-current > .hn-easy-tree-node__content {
  color: $--color-primary;
}


@include b(easy-tree-branch) {
  position: relative;
  height: 100%;
  margin-right: 12px;

  @include e(top) {
    position:absolute;
    top: 0;
    bottom: 50%;
    border-left: 1px solid $--easy-tree-branch-color;
  }

  @include e(right) {
    position:absolute;
    top: 50%;
    width: 12px;
    border-bottom: 1px solid $--easy-tree-branch-color;
  }

  @include e(bottom) {
    position:absolute;
    top: 50%;
    bottom: 0;
    border-left: 1px solid $--easy-tree-branch-color;
  }

  @include e(vertical) {
    position: absolute;
    top: 0;
    bottom: 0;
    border-left: 1px solid $--easy-tree-branch-color;
  }
}