"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

require("../../../src/components/VWindow/VWindow.sass");

var _VBtn = _interopRequireDefault(require("../VBtn"));

var _VIcon = _interopRequireDefault(require("../VIcon"));

var _VItemGroup = require("../VItemGroup/VItemGroup");

var _touch = _interopRequireDefault(require("../../directives/touch"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/* @vue/component */
var _default = _VItemGroup.BaseItemGroup.extend({
  name: 'v-window',
  provide: function provide() {
    return {
      windowGroup: this
    };
  },
  directives: {
    Touch: _touch.default
  },
  props: {
    activeClass: {
      type: String,
      default: 'v-window-item--active'
    },
    continuous: Boolean,
    mandatory: {
      type: Boolean,
      default: true
    },
    nextIcon: {
      type: [Boolean, String],
      default: '$vuetify.icons.next'
    },
    prevIcon: {
      type: [Boolean, String],
      default: '$vuetify.icons.prev'
    },
    reverse: {
      type: Boolean,
      default: undefined
    },
    showArrows: Boolean,
    showArrowsOnHover: Boolean,
    touch: Object,
    touchless: Boolean,
    value: {
      required: false
    },
    vertical: Boolean
  },
  data: function data() {
    return {
      changedByDelimiters: false,
      internalHeight: undefined,
      isActive: false,
      isBooted: false,
      isReverse: false
    };
  },
  computed: {
    classes: function classes() {
      return _objectSpread({}, _VItemGroup.BaseItemGroup.options.computed.classes.call(this), {
        'v-window--show-arrows-on-hover': this.showArrowsOnHover
      });
    },
    computedTransition: function computedTransition() {
      if (!this.isBooted) return '';
      var axis = this.vertical ? 'y' : 'x';
      var direction = this.internalReverse ? '-reverse' : '';
      return "v-window-".concat(axis).concat(direction, "-transition");
    },
    hasActiveItems: function hasActiveItems() {
      return Boolean(this.items.find(function (item) {
        return !item.disabled;
      }));
    },
    hasNext: function hasNext() {
      return this.continuous || this.internalIndex < this.items.length - 1;
    },
    hasPrev: function hasPrev() {
      return this.continuous || this.internalIndex > 0;
    },
    internalIndex: function internalIndex() {
      var _this = this;

      return this.items.findIndex(function (item, i) {
        return _this.internalValue === _this.getValue(item, i);
      });
    },
    internalReverse: function internalReverse() {
      if (this.reverse !== undefined) return this.reverse;
      return this.isReverse;
    }
  },
  watch: {
    internalIndex: 'updateReverse'
  },
  mounted: function mounted() {
    var _this2 = this;

    window.requestAnimationFrame(function () {
      return _this2.isBooted = true;
    });
  },
  methods: {
    genContainer: function genContainer() {
      var children = [this.$slots.default];

      if (this.showArrows) {
        children.push(this.genControlIcons());
      }

      return this.$createElement('div', {
        staticClass: 'v-window__container',
        class: {
          'v-window__container--is-active': this.isActive
        },
        style: {
          height: this.internalHeight
        }
      }, children);
    },
    genIcon: function genIcon(direction, icon, fn) {
      var _this3 = this;

      return this.$createElement('div', {
        staticClass: "v-window__".concat(direction)
      }, [this.$createElement(_VBtn.default, {
        props: {
          icon: true
        },
        attrs: {
          'aria-label': this.$vuetify.lang.t("$vuetify.carousel.".concat(direction))
        },
        on: {
          click: function click() {
            _this3.changedByDelimiters = true;
            fn();
          }
        }
      }, [this.$createElement(_VIcon.default, {
        props: {
          size: 40
        }
      }, icon)])]);
    },
    genControlIcons: function genControlIcons() {
      var icons = [];
      var prevIcon = this.$vuetify.rtl ? this.nextIcon : this.prevIcon;
      /* istanbul ignore else */

      if (this.hasPrev && prevIcon && typeof prevIcon === 'string') {
        var icon = this.genIcon('prev', prevIcon, this.prev);
        icon && icons.push(icon);
      }

      var nextIcon = this.$vuetify.rtl ? this.prevIcon : this.nextIcon;
      /* istanbul ignore else */

      if (this.hasNext && nextIcon && typeof nextIcon === 'string') {
        var _icon = this.genIcon('next', nextIcon, this.next);

        _icon && icons.push(_icon);
      }

      return icons;
    },
    getNextIndex: function getNextIndex(index) {
      var nextIndex = (index + 1) % this.items.length;
      var item = this.items[nextIndex];
      if (item.disabled) return this.getNextIndex(nextIndex);
      return nextIndex;
    },
    getPrevIndex: function getPrevIndex(index) {
      var prevIndex = (index + this.items.length - 1) % this.items.length;
      var item = this.items[prevIndex];
      if (item.disabled) return this.getPrevIndex(prevIndex);
      return prevIndex;
    },
    next: function next() {
      this.isReverse = this.$vuetify.rtl;
      /* istanbul ignore if */

      if (!this.hasActiveItems || !this.hasNext) return;
      var nextIndex = this.getNextIndex(this.internalIndex);
      var item = this.items[nextIndex];
      this.internalValue = this.getValue(item, nextIndex);
    },
    prev: function prev() {
      this.isReverse = !this.$vuetify.rtl;
      /* istanbul ignore if */

      if (!this.hasActiveItems || !this.hasPrev) return;
      var lastIndex = this.getPrevIndex(this.internalIndex);
      var item = this.items[lastIndex];
      this.internalValue = this.getValue(item, lastIndex);
    },
    updateReverse: function updateReverse(val, oldVal) {
      if (this.changedByDelimiters) {
        this.changedByDelimiters = false;
        return;
      }

      this.isReverse = val < oldVal;
    }
  },
  render: function render(h) {
    var _this4 = this;

    var data = {
      staticClass: 'v-window',
      class: this.classes,
      directives: []
    };

    if (!this.touchless) {
      var value = this.touch || {
        left: function left() {
          _this4.$vuetify.rtl ? _this4.prev() : _this4.next();
        },
        right: function right() {
          _this4.$vuetify.rtl ? _this4.next() : _this4.prev();
        },
        end: function end(e) {
          e.stopPropagation();
        },
        start: function start(e) {
          e.stopPropagation();
        }
      };
      data.directives.push({
        name: 'touch',
        value: value
      });
    }

    return h('div', data, [this.genContainer()]);
  }
});

exports.default = _default;
//# sourceMappingURL=VWindow.js.map