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Direktori : /var/www/html/node_modules/swiper/modules/keyboard/
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Current File : /var/www/html/node_modules/swiper/modules/keyboard/keyboard.js

/* eslint-disable consistent-return */
import { getWindow, getDocument } from 'ssr-window';
import $ from '../../shared/dom.js';
export default function Keyboard(_ref) {
  let {
    swiper,
    extendParams,
    on,
    emit
  } = _ref;
  const document = getDocument();
  const window = getWindow();
  swiper.keyboard = {
    enabled: false
  };
  extendParams({
    keyboard: {
      enabled: false,
      onlyInViewport: true,
      pageUpDown: true
    }
  });

  function handle(event) {
    if (!swiper.enabled) return;
    const {
      rtlTranslate: rtl
    } = swiper;
    let e = event;
    if (e.originalEvent) e = e.originalEvent; // jquery fix

    const kc = e.keyCode || e.charCode;
    const pageUpDown = swiper.params.keyboard.pageUpDown;
    const isPageUp = pageUpDown && kc === 33;
    const isPageDown = pageUpDown && kc === 34;
    const isArrowLeft = kc === 37;
    const isArrowRight = kc === 39;
    const isArrowUp = kc === 38;
    const isArrowDown = kc === 40; // Directions locks

    if (!swiper.allowSlideNext && (swiper.isHorizontal() && isArrowRight || swiper.isVertical() && isArrowDown || isPageDown)) {
      return false;
    }

    if (!swiper.allowSlidePrev && (swiper.isHorizontal() && isArrowLeft || swiper.isVertical() && isArrowUp || isPageUp)) {
      return false;
    }

    if (e.shiftKey || e.altKey || e.ctrlKey || e.metaKey) {
      return undefined;
    }

    if (document.activeElement && document.activeElement.nodeName && (document.activeElement.nodeName.toLowerCase() === 'input' || document.activeElement.nodeName.toLowerCase() === 'textarea')) {
      return undefined;
    }

    if (swiper.params.keyboard.onlyInViewport && (isPageUp || isPageDown || isArrowLeft || isArrowRight || isArrowUp || isArrowDown)) {
      let inView = false; // Check that swiper should be inside of visible area of window

      if (swiper.$el.parents(`.${swiper.params.slideClass}`).length > 0 && swiper.$el.parents(`.${swiper.params.slideActiveClass}`).length === 0) {
        return undefined;
      }

      const $el = swiper.$el;
      const swiperWidth = $el[0].clientWidth;
      const swiperHeight = $el[0].clientHeight;
      const windowWidth = window.innerWidth;
      const windowHeight = window.innerHeight;
      const swiperOffset = swiper.$el.offset();
      if (rtl) swiperOffset.left -= swiper.$el[0].scrollLeft;
      const swiperCoord = [[swiperOffset.left, swiperOffset.top], [swiperOffset.left + swiperWidth, swiperOffset.top], [swiperOffset.left, swiperOffset.top + swiperHeight], [swiperOffset.left + swiperWidth, swiperOffset.top + swiperHeight]];

      for (let i = 0; i < swiperCoord.length; i += 1) {
        const point = swiperCoord[i];

        if (point[0] >= 0 && point[0] <= windowWidth && point[1] >= 0 && point[1] <= windowHeight) {
          if (point[0] === 0 && point[1] === 0) continue; // eslint-disable-line

          inView = true;
        }
      }

      if (!inView) return undefined;
    }

    if (swiper.isHorizontal()) {
      if (isPageUp || isPageDown || isArrowLeft || isArrowRight) {
        if (e.preventDefault) e.preventDefault();else e.returnValue = false;
      }

      if ((isPageDown || isArrowRight) && !rtl || (isPageUp || isArrowLeft) && rtl) swiper.slideNext();
      if ((isPageUp || isArrowLeft) && !rtl || (isPageDown || isArrowRight) && rtl) swiper.slidePrev();
    } else {
      if (isPageUp || isPageDown || isArrowUp || isArrowDown) {
        if (e.preventDefault) e.preventDefault();else e.returnValue = false;
      }

      if (isPageDown || isArrowDown) swiper.slideNext();
      if (isPageUp || isArrowUp) swiper.slidePrev();
    }

    emit('keyPress', kc);
    return undefined;
  }

  function enable() {
    if (swiper.keyboard.enabled) return;
    $(document).on('keydown', handle);
    swiper.keyboard.enabled = true;
  }

  function disable() {
    if (!swiper.keyboard.enabled) return;
    $(document).off('keydown', handle);
    swiper.keyboard.enabled = false;
  }

  on('init', () => {
    if (swiper.params.keyboard.enabled) {
      enable();
    }
  });
  on('destroy', () => {
    if (swiper.keyboard.enabled) {
      disable();
    }
  });
  Object.assign(swiper.keyboard, {
    enable,
    disable
  });
}

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