"use strict";

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

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

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

var _VChip = _interopRequireDefault(require("../VChip"));

var _VMenu = _interopRequireDefault(require("../VMenu"));

var _VSelectList = _interopRequireDefault(require("./VSelectList"));

var _VTextField2 = _interopRequireDefault(require("../VTextField/VTextField"));

var _comparable = _interopRequireDefault(require("../../mixins/comparable"));

var _filterable = _interopRequireDefault(require("../../mixins/filterable"));

var _clickOutside = _interopRequireDefault(require("../../directives/click-outside"));

var _helpers = require("../../util/helpers");

var _console = require("../../util/console");

var _mixins = _interopRequireDefault(require("../../util/mixins"));

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; }

var defaultMenuProps = {
  closeOnClick: false,
  closeOnContentClick: false,
  disableKeys: true,
  openOnClick: false,
  maxHeight: 300
};
exports.defaultMenuProps = defaultMenuProps;
var baseMixins = (0, _mixins.default)(_VTextField2.default, _comparable.default, _filterable.default);
/* @vue/component */

var _default2 = baseMixins.extend().extend({
  name: 'v-select',
  directives: {
    ClickOutside: _clickOutside.default
  },
  props: {
    appendIcon: {
      type: String,
      default: '$vuetify.icons.dropdown'
    },
    attach: {
      default: false
    },
    cacheItems: Boolean,
    chips: Boolean,
    clearable: Boolean,
    deletableChips: Boolean,
    dense: Boolean,
    eager: Boolean,
    hideSelected: Boolean,
    items: {
      type: Array,
      default: function _default() {
        return [];
      }
    },
    itemColor: {
      type: String,
      default: 'primary'
    },
    itemDisabled: {
      type: [String, Array, Function],
      default: 'disabled'
    },
    itemText: {
      type: [String, Array, Function],
      default: 'text'
    },
    itemValue: {
      type: [String, Array, Function],
      default: 'value'
    },
    menuProps: {
      type: [String, Array, Object],
      default: function _default() {
        return defaultMenuProps;
      }
    },
    multiple: Boolean,
    openOnClear: Boolean,
    returnObject: Boolean,
    smallChips: Boolean
  },
  data: function data() {
    return {
      cachedItems: this.cacheItems ? this.items : [],
      content: null,
      isBooted: false,
      isMenuActive: false,
      lastItem: 20,
      // As long as a value is defined, show it
      // Otherwise, check if multiple
      // to determine which default to provide
      lazyValue: this.value !== undefined ? this.value : this.multiple ? [] : undefined,
      selectedIndex: -1,
      selectedItems: [],
      keyboardLookupPrefix: '',
      keyboardLookupLastTime: 0
    };
  },
  computed: {
    /* All items that the select has */
    allItems: function allItems() {
      return this.filterDuplicates(this.cachedItems.concat(this.items));
    },
    classes: function classes() {
      return _objectSpread({}, _VTextField2.default.options.computed.classes.call(this), {
        'v-select': true,
        'v-select--chips': this.hasChips,
        'v-select--chips--small': this.smallChips,
        'v-select--is-menu-active': this.isMenuActive
      });
    },

    /* Used by other components to overwrite */
    computedItems: function computedItems() {
      return this.allItems;
    },
    computedOwns: function computedOwns() {
      return "list-".concat(this._uid);
    },
    counterValue: function counterValue() {
      return this.multiple ? this.selectedItems.length : (this.getText(this.selectedItems[0]) || '').toString().length;
    },
    directives: function directives() {
      return this.isFocused ? [{
        name: 'click-outside',
        value: this.blur,
        args: {
          closeConditional: this.closeConditional
        }
      }] : undefined;
    },
    dynamicHeight: function dynamicHeight() {
      return 'auto';
    },
    hasChips: function hasChips() {
      return this.chips || this.smallChips;
    },
    hasSlot: function hasSlot() {
      return Boolean(this.hasChips || this.$scopedSlots.selection);
    },
    isDirty: function isDirty() {
      return this.selectedItems.length > 0;
    },
    listData: function listData() {
      var scopeId = this.$vnode && this.$vnode.context.$options._scopeId;
      var attrs = scopeId ? _defineProperty({}, scopeId, true) : {};
      return {
        attrs: _objectSpread({}, attrs, {
          id: this.computedOwns
        }),
        props: {
          action: this.multiple,
          color: this.itemColor,
          dense: this.dense,
          hideSelected: this.hideSelected,
          items: this.virtualizedItems,
          noDataText: this.$vuetify.lang.t(this.noDataText),
          selectedItems: this.selectedItems,
          itemDisabled: this.itemDisabled,
          itemValue: this.itemValue,
          itemText: this.itemText
        },
        on: {
          select: this.selectItem
        },
        scopedSlots: {
          item: this.$scopedSlots.item
        }
      };
    },
    staticList: function staticList() {
      if (this.$slots['no-data'] || this.$slots['prepend-item'] || this.$slots['append-item']) {
        (0, _console.consoleError)('assert: staticList should not be called if slots are used');
      }

      return this.$createElement(_VSelectList.default, this.listData);
    },
    virtualizedItems: function virtualizedItems() {
      return this.$_menuProps.auto ? this.computedItems : this.computedItems.slice(0, this.lastItem);
    },
    menuCanShow: function menuCanShow() {
      return true;
    },
    $_menuProps: function $_menuProps() {
      var normalisedProps = typeof this.menuProps === 'string' ? this.menuProps.split(',') : this.menuProps;

      if (Array.isArray(normalisedProps)) {
        normalisedProps = normalisedProps.reduce(function (acc, p) {
          acc[p.trim()] = true;
          return acc;
        }, {});
      }

      return _objectSpread({}, defaultMenuProps, {
        eager: this.eager,
        value: this.menuCanShow && this.isMenuActive,
        nudgeBottom: normalisedProps.offsetY ? 1 : 0
      }, normalisedProps);
    }
  },
  watch: {
    internalValue: function internalValue(val) {
      this.initialValue = val;
      this.setSelectedItems();
    },
    isBooted: function isBooted() {
      var _this = this;

      this.$nextTick(function () {
        if (_this.content && _this.content.addEventListener) {
          _this.content.addEventListener('scroll', _this.onScroll, false);
        }
      });
    },
    isMenuActive: function isMenuActive(val) {
      var _this2 = this;

      this.$nextTick(function () {
        return _this2.onMenuActiveChange(val);
      });
      if (!val) return;
      this.isBooted = true;
    },
    items: {
      immediate: true,
      handler: function handler(val) {
        var _this3 = this;

        if (this.cacheItems) {
          // Breaks vue-test-utils if
          // this isn't calculated
          // on the next tick
          this.$nextTick(function () {
            _this3.cachedItems = _this3.filterDuplicates(_this3.cachedItems.concat(val));
          });
        }

        this.setSelectedItems();
      }
    }
  },
  mounted: function mounted() {
    this.content = this.$refs.menu && this.$refs.menu.$refs.content;
  },
  methods: {
    /** @public */
    blur: function blur(e) {
      _VTextField2.default.options.methods.blur.call(this, e);

      this.isMenuActive = false;
      this.isFocused = false;
      this.selectedIndex = -1;
    },

    /** @public */
    activateMenu: function activateMenu() {
      if (this.disabled || this.readonly || this.isMenuActive) return;
      this.isMenuActive = true;
    },
    clearableCallback: function clearableCallback() {
      var _this4 = this;

      this.setValue(this.multiple ? [] : undefined);
      this.$nextTick(function () {
        return _this4.$refs.input && _this4.$refs.input.focus();
      });
      if (this.openOnClear) this.isMenuActive = true;
    },
    closeConditional: function closeConditional(e) {
      return (// Click originates from outside the menu content
        this.content && !this.content.contains(e.target) && // Click originates from outside the element
        this.$el && !this.$el.contains(e.target) && e.target !== this.$el
      );
    },
    filterDuplicates: function filterDuplicates(arr) {
      var uniqueValues = new Map();

      for (var index = 0; index < arr.length; ++index) {
        var item = arr[index];
        var val = this.getValue(item); // TODO: comparator

        !uniqueValues.has(val) && uniqueValues.set(val, item);
      }

      return Array.from(uniqueValues.values());
    },
    findExistingIndex: function findExistingIndex(item) {
      var _this5 = this;

      var itemValue = this.getValue(item);
      return (this.internalValue || []).findIndex(function (i) {
        return _this5.valueComparator(_this5.getValue(i), itemValue);
      });
    },
    genChipSelection: function genChipSelection(item, index) {
      var _this6 = this;

      var isDisabled = this.disabled || this.readonly || this.getDisabled(item);
      return this.$createElement(_VChip.default, {
        staticClass: 'v-chip--select',
        attrs: {
          tabindex: -1
        },
        props: {
          close: this.deletableChips && !isDisabled,
          disabled: isDisabled,
          inputValue: index === this.selectedIndex,
          small: this.smallChips
        },
        on: {
          click: function click(e) {
            if (isDisabled) return;
            e.stopPropagation();
            _this6.selectedIndex = index;
          },
          focus: focus,
          'click:close': function clickClose() {
            return _this6.onChipInput(item);
          }
        },
        key: JSON.stringify(this.getValue(item))
      }, this.getText(item));
    },
    genCommaSelection: function genCommaSelection(item, index, last) {
      var color = index === this.selectedIndex && this.color;
      var isDisabled = this.disabled || this.getDisabled(item);
      return this.$createElement('div', this.setTextColor(color, {
        staticClass: 'v-select__selection v-select__selection--comma',
        class: {
          'v-select__selection--disabled': isDisabled
        },
        key: JSON.stringify(this.getValue(item))
      }), "".concat(this.getText(item)).concat(last ? '' : ', '));
    },
    genDefaultSlot: function genDefaultSlot() {
      var selections = this.genSelections();
      var input = this.genInput(); // If the return is an empty array
      // push the input

      if (Array.isArray(selections)) {
        selections.push(input); // Otherwise push it into children
      } else {
        selections.children = selections.children || [];
        selections.children.push(input);
      }

      return [this.genFieldset(), this.$createElement('div', {
        staticClass: 'v-select__slot',
        directives: this.directives
      }, [this.genLabel(), this.prefix ? this.genAffix('prefix') : null, selections, this.suffix ? this.genAffix('suffix') : null, this.genClearIcon(), this.genIconSlot()]), this.genMenu(), this.genProgress()];
    },
    genInput: function genInput() {
      var input = _VTextField2.default.options.methods.genInput.call(this);

      input.data.domProps.value = null;
      input.data.attrs.readonly = true;
      input.data.attrs.type = 'text';
      input.data.attrs['aria-readonly'] = true;
      input.data.on.keypress = this.onKeyPress;
      return input;
    },
    genInputSlot: function genInputSlot() {
      var render = _VTextField2.default.options.methods.genInputSlot.call(this);

      render.data.attrs = _objectSpread({}, render.data.attrs, {
        role: 'button',
        'aria-haspopup': 'listbox',
        'aria-expanded': String(this.isMenuActive),
        'aria-owns': this.computedOwns
      });
      return render;
    },
    genList: function genList() {
      // If there's no slots, we can use a cached VNode to improve performance
      if (this.$slots['no-data'] || this.$slots['prepend-item'] || this.$slots['append-item']) {
        return this.genListWithSlot();
      } else {
        return this.staticList;
      }
    },
    genListWithSlot: function genListWithSlot() {
      var _this7 = this;

      var slots = ['prepend-item', 'no-data', 'append-item'].filter(function (slotName) {
        return _this7.$slots[slotName];
      }).map(function (slotName) {
        return _this7.$createElement('template', {
          slot: slotName
        }, _this7.$slots[slotName]);
      }); // Requires destructuring due to Vue
      // modifying the `on` property when passed
      // as a referenced object

      return this.$createElement(_VSelectList.default, _objectSpread({}, this.listData), slots);
    },
    genMenu: function genMenu() {
      var _this8 = this;

      var props = this.$_menuProps;
      props.activator = this.$refs['input-slot']; // Attach to root el so that
      // menu covers prepend/append icons

      if ( // TODO: make this a computed property or helper or something
      this.attach === '' || // If used as a boolean prop (<v-menu attach>)
      this.attach === true || // If bound to a boolean (<v-menu :attach="true">)
      this.attach === 'attach' // If bound as boolean prop in pug (v-menu(attach))
      ) {
          props.attach = this.$el;
        } else {
        props.attach = this.attach;
      }

      return this.$createElement(_VMenu.default, {
        attrs: {
          role: undefined
        },
        props: props,
        on: {
          input: function input(val) {
            _this8.isMenuActive = val;
            _this8.isFocused = val;
          }
        },
        ref: 'menu'
      }, [this.genList()]);
    },
    genSelections: function genSelections() {
      var length = this.selectedItems.length;
      var children = new Array(length);
      var genSelection;

      if (this.$scopedSlots.selection) {
        genSelection = this.genSlotSelection;
      } else if (this.hasChips) {
        genSelection = this.genChipSelection;
      } else {
        genSelection = this.genCommaSelection;
      }

      while (length--) {
        children[length] = genSelection(this.selectedItems[length], length, length === children.length - 1);
      }

      return this.$createElement('div', {
        staticClass: 'v-select__selections'
      }, children);
    },
    genSlotSelection: function genSlotSelection(item, index) {
      var _this9 = this;

      return this.$scopedSlots.selection({
        attrs: {
          class: 'v-chip--select'
        },
        parent: this,
        item: item,
        index: index,
        select: function select(e) {
          e.stopPropagation();
          _this9.selectedIndex = index;
        },
        selected: index === this.selectedIndex,
        disabled: this.disabled || this.readonly
      });
    },
    getMenuIndex: function getMenuIndex() {
      return this.$refs.menu ? this.$refs.menu.listIndex : -1;
    },
    getDisabled: function getDisabled(item) {
      return (0, _helpers.getPropertyFromItem)(item, this.itemDisabled, false);
    },
    getText: function getText(item) {
      return (0, _helpers.getPropertyFromItem)(item, this.itemText, item);
    },
    getValue: function getValue(item) {
      return (0, _helpers.getPropertyFromItem)(item, this.itemValue, this.getText(item));
    },
    onBlur: function onBlur(e) {
      e && this.$emit('blur', e);
    },
    onChipInput: function onChipInput(item) {
      if (this.multiple) this.selectItem(item);else this.setValue(null); // If all items have been deleted,
      // open `v-menu`

      if (this.selectedItems.length === 0) {
        this.isMenuActive = true;
      } else {
        this.isMenuActive = false;
      }

      this.selectedIndex = -1;
    },
    onClick: function onClick() {
      if (this.isDisabled) return;
      this.isMenuActive = true;

      if (!this.isFocused) {
        this.isFocused = true;
        this.$emit('focus');
      }
    },
    onEscDown: function onEscDown(e) {
      e.preventDefault();

      if (this.isMenuActive) {
        e.stopPropagation();
        this.isMenuActive = false;
      }
    },
    onKeyPress: function onKeyPress(e) {
      var _this10 = this;

      if (this.multiple) return;
      var KEYBOARD_LOOKUP_THRESHOLD = 1000; // milliseconds

      var now = performance.now();

      if (now - this.keyboardLookupLastTime > KEYBOARD_LOOKUP_THRESHOLD) {
        this.keyboardLookupPrefix = '';
      }

      this.keyboardLookupPrefix += e.key.toLowerCase();
      this.keyboardLookupLastTime = now;
      var index = this.allItems.findIndex(function (item) {
        var text = (_this10.getText(item) || '').toString();
        return text.toLowerCase().startsWith(_this10.keyboardLookupPrefix);
      });
      var item = this.allItems[index];

      if (index !== -1) {
        this.setValue(this.returnObject ? item : this.getValue(item));
        setTimeout(function () {
          return _this10.setMenuIndex(index);
        });
      }
    },
    onKeyDown: function onKeyDown(e) {
      var keyCode = e.keyCode;
      var menu = this.$refs.menu; // If enter, space, open menu

      if ([_helpers.keyCodes.enter, _helpers.keyCodes.space].includes(keyCode)) this.activateMenu();
      if (!menu) return; // If menu is active, allow default
      // listIndex change from menu

      if (this.isMenuActive && keyCode !== _helpers.keyCodes.tab) {
        menu.changeListIndex(e);
      } // If menu is not active, up and down can do
      // one of 2 things. If multiple, opens the
      // menu, if not, will cycle through all
      // available options


      if (!this.isMenuActive && [_helpers.keyCodes.up, _helpers.keyCodes.down].includes(keyCode)) return this.onUpDown(e); // If escape deactivate the menu

      if (keyCode === _helpers.keyCodes.esc) return this.onEscDown(e); // If tab - select item or close menu

      if (keyCode === _helpers.keyCodes.tab) return this.onTabDown(e); // If space preventDefault

      if (keyCode === _helpers.keyCodes.space) return this.onSpaceDown(e);
    },
    onMenuActiveChange: function onMenuActiveChange(val) {
      // If menu is closing and mulitple
      // or menuIndex is already set
      // skip menu index recalculation
      if (this.multiple && !val || this.getMenuIndex() > -1) return;
      var menu = this.$refs.menu;
      if (!menu || !this.isDirty) return; // When menu opens, set index of first active item

      for (var i = 0; i < menu.tiles.length; i++) {
        if (menu.tiles[i].getAttribute('aria-selected') === 'true') {
          this.setMenuIndex(i);
          break;
        }
      }
    },
    onMouseUp: function onMouseUp(e) {
      var _this11 = this;

      if (this.hasMouseDown && e.which !== 3) {
        var appendInner = this.$refs['append-inner']; // If append inner is present
        // and the target is itself
        // or inside, toggle menu

        if (this.isMenuActive && appendInner && (appendInner === e.target || appendInner.contains(e.target))) {
          this.$nextTick(function () {
            return _this11.isMenuActive = !_this11.isMenuActive;
          }); // If user is clicking in the container
          // and field is enclosed, activate it
        } else if (this.isEnclosed && !this.isDisabled) {
          this.isMenuActive = true;
        }
      }

      _VTextField2.default.options.methods.onMouseUp.call(this, e);
    },
    onScroll: function onScroll() {
      var _this12 = this;

      if (!this.isMenuActive) {
        requestAnimationFrame(function () {
          return _this12.content.scrollTop = 0;
        });
      } else {
        if (this.lastItem >= this.computedItems.length) return;
        var showMoreItems = this.content.scrollHeight - (this.content.scrollTop + this.content.clientHeight) < 200;

        if (showMoreItems) {
          this.lastItem += 20;
        }
      }
    },
    onSpaceDown: function onSpaceDown(e) {
      e.preventDefault();
    },
    onTabDown: function onTabDown(e) {
      var menu = this.$refs.menu;
      if (!menu) return;
      var activeTile = menu.activeTile; // An item that is selected by
      // menu-index should toggled

      if (!this.multiple && activeTile && this.isMenuActive) {
        e.preventDefault();
        e.stopPropagation();
        activeTile.click();
      } else {
        // If we make it here,
        // the user has no selected indexes
        // and is probably tabbing out
        this.blur(e);
      }
    },
    onUpDown: function onUpDown(e) {
      var menu = this.$refs.menu;
      if (!menu) return;
      e.preventDefault(); // Multiple selects do not cycle their value
      // when pressing up or down, instead activate
      // the menu

      if (this.multiple) return this.activateMenu();
      var keyCode = e.keyCode; // Cycle through available values to achieve
      // select native behavior

      menu.getTiles();
      _helpers.keyCodes.up === keyCode ? menu.prevTile() : menu.nextTile();
      menu.activeTile && menu.activeTile.click();
    },
    selectItem: function selectItem(item) {
      var _this13 = this;

      if (!this.multiple) {
        this.setValue(this.returnObject ? item : this.getValue(item));
        this.isMenuActive = false;
      } else {
        var internalValue = (this.internalValue || []).slice();
        var i = this.findExistingIndex(item);
        i !== -1 ? internalValue.splice(i, 1) : internalValue.push(item);
        this.setValue(internalValue.map(function (i) {
          return _this13.returnObject ? i : _this13.getValue(i);
        })); // When selecting multiple
        // adjust menu after each
        // selection

        this.$nextTick(function () {
          _this13.$refs.menu && _this13.$refs.menu.updateDimensions();
        }); // We only need to reset list index for multiple
        // to keep highlight when an item is toggled
        // on and off

        if (!this.multiple) return;
        var listIndex = this.getMenuIndex();
        this.setMenuIndex(-1); // There is no item to re-highlight
        // when selections are hidden

        if (this.hideSelected) return;
        this.$nextTick(function () {
          return _this13.setMenuIndex(listIndex);
        });
      }
    },
    setMenuIndex: function setMenuIndex(index) {
      this.$refs.menu && (this.$refs.menu.listIndex = index);
    },
    setSelectedItems: function setSelectedItems() {
      var _this14 = this;

      var selectedItems = [];
      var values = !this.multiple || !Array.isArray(this.internalValue) ? [this.internalValue] : this.internalValue;
      var _iteratorNormalCompletion = true;
      var _didIteratorError = false;
      var _iteratorError = undefined;

      try {
        var _loop = function _loop() {
          var value = _step.value;

          var index = _this14.allItems.findIndex(function (v) {
            return _this14.valueComparator(_this14.getValue(v), _this14.getValue(value));
          });

          if (index > -1) {
            selectedItems.push(_this14.allItems[index]);
          }
        };

        for (var _iterator = values[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
          _loop();
        }
      } catch (err) {
        _didIteratorError = true;
        _iteratorError = err;
      } finally {
        try {
          if (!_iteratorNormalCompletion && _iterator.return != null) {
            _iterator.return();
          }
        } finally {
          if (_didIteratorError) {
            throw _iteratorError;
          }
        }
      }

      this.selectedItems = selectedItems;
    },
    setValue: function setValue(value) {
      var oldValue = this.internalValue;
      this.internalValue = value;
      value !== oldValue && this.$emit('change', value);
    }
  }
});

exports.default = _default2;
//# sourceMappingURL=VSelect.js.map