Function _flipXTogether

src/js/constraint.js:163–208

* Flip X "together" * @param {object} tAttachment The target attachment * @param {object} eAttachment The element attachment * @param {number[]} bounds Array of bounds of the format [left, top, right, bottom] * @param {number} width * @param targetWidth * @param {number} left * @private

(tAttachment, eAttachment, bounds, width, targetWidth, left)

 * @private
 */
function _flipXTogether(tAttachment, eAttachment, bounds, width, targetWidth, left) {
  if (left < bounds[0] && tAttachment.left === 'left') {
    if (eAttachment.left === 'right') {
      left += targetWidth;
      tAttachment.left = 'right';

      left += width;
      eAttachment.left = 'left';

    } else if (eAttachment.left === 'left') {
      left += targetWidth;
      tAttachment.left = 'right';

      left -= width;
      eAttachment.left = 'right';
    }

  } else if (left + width > bounds[2] && tAttachment.left === 'right') {
    if (eAttachment.left === 'left') {
      left -= targetWidth;
      tAttachment.left = 'left';

      left -= width;
      eAttachment.left = 'right';

    } else if (eAttachment.left === 'right') {
      left -= targetWidth;
      tAttachment.left = 'left';

      left += width;
      eAttachment.left = 'left';
    }

  } else if (tAttachment.left === 'center') {
    if (left + width > bounds[2] && eAttachment.left === 'left') {
      left -= width;
      eAttachment.left = 'right';

    } else if (left < bounds[0] && eAttachment.left === 'right') {
      left += width;
      eAttachment.left = 'left';
    }
  }

  return left;
}

/**
 * Flip Y "together"