@plone/components/src/styles/basic/Tree.css

ReactJS components for Plone

/* depends on:
@import './Button.css';
@import './ToggleButton.css';
@import './Checkbox.css';
*/
.react-aria-Tree {
  display: flex;
  overflow: auto;
  width: 250px;
  max-height: 300px;
  box-sizing: border-box;
  flex-direction: column;
  padding: 4px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--overlay-background);
  forced-color-adjust: none;
  gap: 2px;
  outline: none;

  &[data-focus-visible] {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: -1px;
  }

  .react-aria-TreeItem {
    position: relative;
    display: flex;
    min-height: 28px;
    align-items: center;
    padding: 0.286rem 0.286rem 0.286rem 0.571rem;
    border-radius: 6px;
    color: var(--text-color);
    cursor: default;
    font-size: 1.072rem;
    gap: 0.571rem;
    outline: none;
    transform: translateZ(0);
    --padding: 8px;

    .react-aria-Button[slot='chevron'] {
      all: unset;
      display: flex;
      width: 1.3rem;
      height: 100%;
      align-items: center;
      justify-content: center;
      padding-left: calc((var(--tree-item-level) - 1) * var(--padding));
      visibility: hidden;

      svg {
        width: 12px;
        height: 12px;
        fill: none;
        rotate: 0deg;
        stroke: currentColor;
        stroke-width: 3px;
        transition: rotate 200ms;
      }
    }

    &[data-has-child-items] .react-aria-Button[slot='chevron'] {
      visibility: visible;
    }

    &[data-expanded] .react-aria-Button[slot='chevron'] svg {
      rotate: 90deg;
    }

    &[data-focus-visible] {
      outline: 2px solid var(--focus-ring-color);
      outline-offset: -2px;
    }

    &[data-pressed] {
      background: var(--gray-100);
    }

    &[data-selected] {
      background: var(--highlight-background);
      color: var(--highlight-foreground);
      --focus-ring-color: var(--highlight-foreground);

      &[data-focus-visible] {
        outline-color: var(--highlight-foreground);
        outline-offset: -4px;
      }

      .react-aria-Button {
        color: var(--highlight-foreground);
        --highlight-hover: rgb(255 255 255 / 0.1);
        --highlight-pressed: rgb(255 255 255 / 0.2);
      }
    }

    &[data-disabled] {
      color: var(--text-color-disabled);
    }

    .react-aria-Button:not([slot]) {
      padding: 0.286rem 0.429rem;
      border: none;
      margin-left: auto;
      background: transparent;
      font-size: 1.2rem;
      line-height: 1.2em;
      transition: background 200ms;

      &[data-hovered] {
        background: var(--highlight-hover);
      }

      &[data-pressed] {
        background: var(--highlight-pressed);
        box-shadow: none;
      }
    }
  }

  /* join selected items if :has selector is supported */
  @supports selector(:has(.foo)) {
    gap: 0;

    .react-aria-TreeItem[data-selected]:has(+ [data-selected]) {
      border-end-end-radius: 0;
      border-end-start-radius: 0;
    }

    .react-aria-TreeItem[data-selected] + [data-selected] {
      border-start-end-radius: 0;
      border-start-start-radius: 0;
    }
  }

  :where(.react-aria-TreeItem) .react-aria-Checkbox {
    --selected-color: var(--highlight-foreground);
    --selected-color-pressed: var(--highlight-foreground-pressed);
    --checkmark-color: var(--highlight-background);
    --background-color: var(--highlight-background);
  }
}

.react-aria-TreeItem[data-href] {
  cursor: pointer;
}

.react-aria-Tree {
  &[data-empty] {
    display: flex;
    align-items: center;
    justify-content: center;
    font-style: italic;
  }
}