@wordpress/block-editor/build-module/components/block-mover/button.js

Generic block editor.

// packages/block-editor/src/components/block-mover/button.js
import clsx from "clsx";
import { getBlockType } from "@wordpress/blocks";
import { Button, VisuallyHidden } from "@wordpress/components";
import { useInstanceId } from "@wordpress/compose";
import { useSelect, useDispatch } from "@wordpress/data";
import { forwardRef } from "@wordpress/element";
import { __, isRTL } from "@wordpress/i18n";
import {
  chevronLeft,
  chevronRight,
  chevronUp,
  chevronDown
} from "@wordpress/icons";
import { getBlockMoverDescription } from "./mover-description";
import { store as blockEditorStore } from "../../store";
import { Fragment, jsx, jsxs } from "react/jsx-runtime";
var getArrowIcon = (direction, orientation) => {
  if (direction === "up") {
    if (orientation === "horizontal") {
      return isRTL() ? chevronRight : chevronLeft;
    }
    return chevronUp;
  } else if (direction === "down") {
    if (orientation === "horizontal") {
      return isRTL() ? chevronLeft : chevronRight;
    }
    return chevronDown;
  }
  return null;
};
var getMovementDirectionLabel = (moveDirection, orientation) => {
  if (moveDirection === "up") {
    if (orientation === "horizontal") {
      return isRTL() ? __("Move right") : __("Move left");
    }
    return __("Move up");
  } else if (moveDirection === "down") {
    if (orientation === "horizontal") {
      return isRTL() ? __("Move left") : __("Move right");
    }
    return __("Move down");
  }
  return null;
};
var BlockMoverButton = forwardRef(
  ({ clientIds, direction, orientation: moverOrientation, ...props }, ref) => {
    const instanceId = useInstanceId(BlockMoverButton);
    const normalizedClientIds = Array.isArray(clientIds) ? clientIds : [clientIds];
    const blocksCount = normalizedClientIds.length;
    const { disabled } = props;
    const {
      blockType,
      isDisabled,
      rootClientId,
      isFirst,
      isLast,
      firstIndex,
      orientation = "vertical"
    } = useSelect(
      (select) => {
        const {
          getBlockIndex,
          getBlockRootClientId,
          getBlockOrder,
          getBlock,
          getBlockListSettings
        } = select(blockEditorStore);
        const firstClientId = normalizedClientIds[0];
        const blockRootClientId = getBlockRootClientId(firstClientId);
        const firstBlockIndex = getBlockIndex(firstClientId);
        const lastBlockIndex = getBlockIndex(
          normalizedClientIds[normalizedClientIds.length - 1]
        );
        const blockOrder = getBlockOrder(blockRootClientId);
        const block = getBlock(firstClientId);
        const isFirstBlock = firstBlockIndex === 0;
        const isLastBlock = lastBlockIndex === blockOrder.length - 1;
        const { orientation: blockListOrientation } = getBlockListSettings(blockRootClientId) || {};
        return {
          blockType: block ? getBlockType(block.name) : null,
          isDisabled: disabled || (direction === "up" ? isFirstBlock : isLastBlock),
          rootClientId: blockRootClientId,
          firstIndex: firstBlockIndex,
          isFirst: isFirstBlock,
          isLast: isLastBlock,
          orientation: moverOrientation || blockListOrientation
        };
      },
      [clientIds, direction]
    );
    const { moveBlocksDown, moveBlocksUp } = useDispatch(blockEditorStore);
    const moverFunction = direction === "up" ? moveBlocksUp : moveBlocksDown;
    const onClick = (event) => {
      moverFunction(clientIds, rootClientId);
      if (props.onClick) {
        props.onClick(event);
      }
    };
    const descriptionId = `block-editor-block-mover-button__description-${instanceId}`;
    return /* @__PURE__ */ jsxs(Fragment, { children: [
      /* @__PURE__ */ jsx(
        Button,
        {
          __next40pxDefaultSize: true,
          ref,
          className: clsx(
            "block-editor-block-mover-button",
            `is-${direction}-button`
          ),
          icon: getArrowIcon(direction, orientation),
          label: getMovementDirectionLabel(
            direction,
            orientation
          ),
          "aria-describedby": descriptionId,
          ...props,
          onClick: isDisabled ? null : onClick,
          disabled: isDisabled,
          accessibleWhenDisabled: true
        }
      ),
      /* @__PURE__ */ jsx(VisuallyHidden, { id: descriptionId, children: getBlockMoverDescription(
        blocksCount,
        blockType && blockType.title,
        firstIndex,
        isFirst,
        isLast,
        direction === "up" ? -1 : 1,
        orientation
      ) })
    ] });
  }
);
var BlockMoverUpButton = forwardRef((props, ref) => {
  return /* @__PURE__ */ jsx(BlockMoverButton, { direction: "up", ref, ...props });
});
var BlockMoverDownButton = forwardRef((props, ref) => {
  return /* @__PURE__ */ jsx(BlockMoverButton, { direction: "down", ref, ...props });
});
export {
  BlockMoverDownButton,
  BlockMoverUpButton
};
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