plane/web/components/labels/label-block/label-item-block.tsx

import { MutableRefObject, useRef, useState } from "react";
import { LucideIcon, X } from "lucide-react";
import { IIssueLabel } from "@plane/types";
//ui
import { CustomMenu, DragHandle } from "@plane/ui";
//types
import { cn } from "@/helpers/common.helper";
import useOutsideClickDetector from "@/hooks/use-outside-click-detector";
//hooks
//components
import { LabelName } from "./label-name";

//types
export interface ICustomMenuItem {
  CustomIcon: LucideIcon;
  onClick: (label: IIssueLabel) => void;
  isVisible: boolean;
  text: string;
  key: string;
}

interface ILabelItemBlock {
  label: IIssueLabel;
  isDragging: boolean;
  customMenuItems: ICustomMenuItem[];
  handleLabelDelete: (label: IIssueLabel) => void;
  isLabelGroup?: boolean;
  dragHandleRef: MutableRefObject<HTMLButtonElement | null>;
}

export const LabelItemBlock = (props: ILabelItemBlock) => {
  const { label, isDragging, customMenuItems, handleLabelDelete, isLabelGroup, dragHandleRef } = props;
  // states
  const [isMenuActive, setIsMenuActive] = useState(false);
  // refs
  const actionSectionRef = useRef<HTMLDivElement | null>(null);

  useOutsideClickDetector(actionSectionRef, () => setIsMenuActive(false));

  return (
    <div className="group flex items-center">
      <div className="flex items-center">
        <DragHandle
          className={cn("opacity-0 group-hover:opacity-100", {
            "opacity-100": isDragging,
          })}
          ref={dragHandleRef}
        />
        <LabelName color={label.color} name={label.name} isGroup={isLabelGroup ?? false} />
      </div>

      <div
        ref={actionSectionRef}
        className={`absolute right-3 flex items-start gap-3.5 px-4 ${
          isMenuActive || isLabelGroup
            ? "opacity-100"
            : "opacity-0 group-hover:pointer-events-auto group-hover:opacity-100"
        } ${isLabelGroup && "-top-0.5"}`}
      >
        <CustomMenu ellipsis>
          {customMenuItems.map(
            ({ isVisible, onClick, CustomIcon, text, key }) =>
              isVisible && (
                <CustomMenu.MenuItem key={key} onClick={() => onClick(label)}>
                  <span className="flex items-center justify-start gap-2">
                    <CustomIcon className="h-4 w-4" />
                    <span>{text}</span>
                  </span>
                </CustomMenu.MenuItem>
              )
          )}
        </CustomMenu>
        {!isLabelGroup && (
          <div className="py-0.5">
            <button className="flex h-4 w-4 items-center justify-start gap-2" onClick={() => handleLabelDelete(label)}>
              <X className="h-4 w-4  flex-shrink-0 text-custom-sidebar-text-400" />
            </button>
          </div>
        )}
      </div>
    </div>
  );
};