@gechiui/block-editor/build-module/components/block-mover/mover-description.js

Generic block editor.

/**
 * GeChiUI dependencies
 */
import { __, _n, sprintf, isRTL } from '@gechiui/i18n';
/**
 * Return a label for the block movement controls depending on block position.
 *
 * @param {number}  selectedCount Number of blocks selected.
 * @param {string}  type          Block type - in the case of a single block, should
 *                                define its 'type'. I.e. 'Text', 'Heading', 'Image' etc.
 * @param {number}  firstIndex    The index (position - 1) of the first block selected.
 * @param {boolean} isFirst       This is the first block.
 * @param {boolean} isLast        This is the last block.
 * @param {number}  dir           Direction of movement (> 0 is considered to be going
 *                                down, < 0 is up).
 * @param {string}  orientation   The orientation of the block movers, vertical or
 *                                horizontal.
 *
 * @return {string} Label for the block movement controls.
 */

export function getBlockMoverDescription(selectedCount, type, firstIndex, isFirst, isLast, dir, orientation) {
  const position = firstIndex + 1;

  const getMovementDirection = moveDirection => {
    if (moveDirection === 'up') {
      if (orientation === 'horizontal') {
        return isRTL() ? 'right' : 'left';
      }

      return 'up';
    } else if (moveDirection === 'down') {
      if (orientation === 'horizontal') {
        return isRTL() ? 'left' : 'right';
      }

      return 'down';
    }

    return null;
  };

  if (selectedCount > 1) {
    return getMultiBlockMoverDescription(selectedCount, firstIndex, isFirst, isLast, dir);
  }

  if (isFirst && isLast) {
    return sprintf( // translators: %s: Type of block (i.e. Text, Image etc)
    __('区块%s是唯一的区块，不能被移动'), type);
  }

  if (dir > 0 && !isLast) {
    // moving down
    const movementDirection = getMovementDirection('down');

    if (movementDirection === 'down') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc), 2: Position of selected block, 3: New position
      __('将区块%1$s从位置%2$d下移到位置%3$d'), type, position, position + 1);
    }

    if (movementDirection === 'left') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc), 2: Position of selected block, 3: New position
      __('将区块%1$s从位置%2$d左移至位置%3$d'), type, position, position + 1);
    }

    if (movementDirection === 'right') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc), 2: Position of selected block, 3: New position
      __('将区块%1$s从位置%2$d右移至位置%3$d'), type, position, position + 1);
    }
  }

  if (dir > 0 && isLast) {
    // moving down, and is the last item
    const movementDirection = getMovementDirection('down');

    if (movementDirection === 'down') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc)
      __('区块%1$s已在内容最末，不能被下移'), type);
    }

    if (movementDirection === 'left') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc)
      __('区块%1$s已在内容最末，不能被左移'), type);
    }

    if (movementDirection === 'right') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc)
      __('区块%1$s已在内容最末，不能被右移'), type);
    }
  }

  if (dir < 0 && !isFirst) {
    // moving up
    const movementDirection = getMovementDirection('up');

    if (movementDirection === 'up') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc), 2: Position of selected block, 3: New position
      __('将区块%1$s从位置%2$d上移到位置%3$d'), type, position, position - 1);
    }

    if (movementDirection === 'left') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc), 2: Position of selected block, 3: New position
      __('将区块%1$s从位置%2$d左移至位置%3$d'), type, position, position - 1);
    }

    if (movementDirection === 'right') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc), 2: Position of selected block, 3: New position
      __('将区块%1$s从位置%2$d右移至位置%3$d'), type, position, position - 1);
    }
  }

  if (dir < 0 && isFirst) {
    // moving up, and is the first item
    const movementDirection = getMovementDirection('up');

    if (movementDirection === 'up') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc)
      __('区块%1$s已在内容最始，不能被上移'), type);
    }

    if (movementDirection === 'left') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc)
      __('区块%1$s已在内容最始，不能被左移'), type);
    }

    if (movementDirection === 'right') {
      return sprintf( // translators: 1: Type of block (i.e. Text, Image etc)
      __('区块%1$s已在内容最始，不能被右移'), type);
    }
  }
}
/**
 * Return a label for the block movement controls depending on block position.
 *
 * @param {number}  selectedCount Number of blocks selected.
 * @param {number}  firstIndex    The index (position - 1) of the first block selected.
 * @param {boolean} isFirst       This is the first block.
 * @param {boolean} isLast        This is the last block.
 * @param {number}  dir           Direction of movement (> 0 is considered to be going
 *                                down, < 0 is up).
 *
 * @return {string} Label for the block movement controls.
 */

export function getMultiBlockMoverDescription(selectedCount, firstIndex, isFirst, isLast, dir) {
  const position = firstIndex + 1;

  if (dir < 0 && isFirst) {
    return __('区块已在最顶，不能被上移');
  }

  if (dir > 0 && isLast) {
    return __('区块已在最底，不能被下移');
  }

  if (dir < 0 && !isFirst) {
    return sprintf( // translators: 1: Number of selected blocks, 2: Position of selected blocks
    _n('将%1$d个区块从位置%2$d上移一位', 'Move %1$d blocks from position %2$d up by one place', selectedCount), selectedCount, position);
  }

  if (dir > 0 && !isLast) {
    return sprintf( // translators: 1: Number of selected blocks, 2: Position of selected blocks
    _n('将%1$d个区块从位置%2$d下移一位', 'Move %1$d blocks from position %2$d down by one place', selectedCount), selectedCount, position);
  }
}
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