keksAccountGUI/node_modulesOLD/vuetify/lib/components/VAutocomplete/VAutocomplete.js

// Styles
import "../../../src/components/VAutocomplete/VAutocomplete.sass"; // Extensions

import VSelect, { defaultMenuProps as VSelectMenuProps } from '../VSelect/VSelect';
import VTextField from '../VTextField/VTextField'; // Utilities

import { keyCodes } from '../../util/helpers';
const defaultMenuProps = { ...VSelectMenuProps,
  offsetY: true,
  offsetOverflow: true,
  transition: false
};
/* @vue/component */

export default VSelect.extend({
  name: 'v-autocomplete',
  props: {
    allowOverflow: {
      type: Boolean,
      default: true
    },
    autoSelectFirst: {
      type: Boolean,
      default: false
    },
    filter: {
      type: Function,
      default: (item, queryText, itemText) => {
        return itemText.toLocaleLowerCase().indexOf(queryText.toLocaleLowerCase()) > -1;
      }
    },
    hideNoData: Boolean,
    menuProps: {
      type: VSelect.options.props.menuProps.type,
      default: () => defaultMenuProps
    },
    noFilter: Boolean,
    searchInput: {
      type: String,
      default: undefined
    }
  },

  data() {
    return {
      lazySearch: this.searchInput
    };
  },

  computed: {
    classes() {
      return { ...VSelect.options.computed.classes.call(this),
        'v-autocomplete': true,
        'v-autocomplete--is-selecting-index': this.selectedIndex > -1
      };
    },

    computedItems() {
      return this.filteredItems;
    },

    selectedValues() {
      return this.selectedItems.map(item => this.getValue(item));
    },

    hasDisplayedItems() {
      return this.hideSelected ? this.filteredItems.some(item => !this.hasItem(item)) : this.filteredItems.length > 0;
    },

    currentRange() {
      if (this.selectedItem == null) return 0;
      return String(this.getText(this.selectedItem)).length;
    },

    filteredItems() {
      if (!this.isSearching || this.noFilter || this.internalSearch == null) return this.allItems;
      return this.allItems.filter(item => this.filter(item, String(this.internalSearch), String(this.getText(item))));
    },

    internalSearch: {
      get() {
        return this.lazySearch;
      },

      set(val) {
        this.lazySearch = val;
        this.$emit('update:search-input', val);
      }

    },

    isAnyValueAllowed() {
      return false;
    },

    isDirty() {
      return this.searchIsDirty || this.selectedItems.length > 0;
    },

    isSearching() {
      return this.multiple && this.searchIsDirty || this.searchIsDirty && this.internalSearch !== this.getText(this.selectedItem);
    },

    menuCanShow() {
      if (!this.isFocused) return false;
      return this.hasDisplayedItems || !this.hideNoData;
    },

    $_menuProps() {
      const props = VSelect.options.computed.$_menuProps.call(this);
      props.contentClass = `v-autocomplete__content ${props.contentClass || ''}`.trim();
      return { ...defaultMenuProps,
        ...props
      };
    },

    searchIsDirty() {
      return this.internalSearch != null && this.internalSearch !== '';
    },

    selectedItem() {
      if (this.multiple) return null;
      return this.selectedItems.find(i => {
        return this.valueComparator(this.getValue(i), this.getValue(this.internalValue));
      });
    },

    listData() {
      const data = VSelect.options.computed.listData.call(this);
      data.props = { ...data.props,
        items: this.virtualizedItems,
        noFilter: this.noFilter || !this.isSearching || !this.filteredItems.length,
        searchInput: this.internalSearch
      };
      return data;
    }

  },
  watch: {
    filteredItems: 'onFilteredItemsChanged',
    internalValue: 'setSearch',

    isFocused(val) {
      if (val) {
        this.$refs.input && this.$refs.input.select();
      } else {
        this.updateSelf();
      }
    },

    isMenuActive(val) {
      if (val || !this.hasSlot) return;
      this.lazySearch = undefined;
    },

    items(val, oldVal) {
      // If we are focused, the menu
      // is not active, hide no data is enabled,
      // and items change
      // User is probably async loading
      // items, try to activate the menu
      if (!(oldVal && oldVal.length) && this.hideNoData && this.isFocused && !this.isMenuActive && val.length) this.activateMenu();
    },

    searchInput(val) {
      this.lazySearch = val;
    },

    internalSearch: 'onInternalSearchChanged',
    itemText: 'updateSelf'
  },

  created() {
    this.setSearch();
  },

  methods: {
    onFilteredItemsChanged(val, oldVal) {
      // TODO: How is the watcher triggered
      // for duplicate items? no idea
      if (val === oldVal) return;
      this.setMenuIndex(-1);
      this.$nextTick(() => {
        if (!this.internalSearch || val.length !== 1 && !this.autoSelectFirst) return;
        this.$refs.menu.getTiles();
        this.setMenuIndex(0);
      });
    },

    onInternalSearchChanged() {
      this.updateMenuDimensions();
    },

    updateMenuDimensions() {
      // Type from menuable is not making it through
      this.isMenuActive && this.$refs.menu && this.$refs.menu.updateDimensions();
    },

    changeSelectedIndex(keyCode) {
      // Do not allow changing of selectedIndex
      // when search is dirty
      if (this.searchIsDirty) return;
      if (![keyCodes.backspace, keyCodes.left, keyCodes.right, keyCodes.delete].includes(keyCode)) return;
      const index = this.selectedItems.length - 1;

      if (keyCode === keyCodes.left) {
        if (this.selectedIndex === -1) {
          this.selectedIndex = index;
        } else {
          this.selectedIndex--;
        }
      } else if (keyCode === keyCodes.right) {
        if (this.selectedIndex >= index) {
          this.selectedIndex = -1;
        } else {
          this.selectedIndex++;
        }
      } else if (this.selectedIndex === -1) {
        this.selectedIndex = index;
        return;
      }

      const currentItem = this.selectedItems[this.selectedIndex];

      if ([keyCodes.backspace, keyCodes.delete].includes(keyCode) && !this.getDisabled(currentItem)) {
        const newIndex = this.selectedIndex === index ? this.selectedIndex - 1 : this.selectedItems[this.selectedIndex + 1] ? this.selectedIndex : -1;

        if (newIndex === -1) {
          this.setValue(this.multiple ? [] : undefined);
        } else {
          this.selectItem(currentItem);
        }

        this.selectedIndex = newIndex;
      }
    },

    clearableCallback() {
      this.internalSearch = undefined;
      VSelect.options.methods.clearableCallback.call(this);
    },

    genInput() {
      const input = VTextField.options.methods.genInput.call(this);
      input.data = input.data || {};
      input.data.attrs = input.data.attrs || {};
      input.data.domProps = input.data.domProps || {};
      input.data.domProps.value = this.internalSearch;
      return input;
    },

    genInputSlot() {
      const slot = VSelect.options.methods.genInputSlot.call(this);
      slot.data.attrs.role = 'combobox';
      return slot;
    },

    genSelections() {
      return this.hasSlot || this.multiple ? VSelect.options.methods.genSelections.call(this) : [];
    },

    onClick() {
      if (this.isDisabled) return;
      this.selectedIndex > -1 ? this.selectedIndex = -1 : this.onFocus();
      this.activateMenu();
    },

    onInput(e) {
      if (this.selectedIndex > -1 || !e.target) return;
      const target = e.target;
      const value = target.value; // If typing and menu is not currently active

      if (target.value) this.activateMenu();
      this.internalSearch = value;
      this.badInput = target.validity && target.validity.badInput;
    },

    onKeyDown(e) {
      const keyCode = e.keyCode;
      VSelect.options.methods.onKeyDown.call(this, e); // The ordering is important here
      // allows new value to be updated
      // and then moves the index to the
      // proper location

      this.changeSelectedIndex(keyCode);
    },

    onSpaceDown(e) {},

    onTabDown(e) {
      VSelect.options.methods.onTabDown.call(this, e);
      this.updateSelf();
    },

    onUpDown() {
      // For autocomplete / combobox, cycling
      // interfers with native up/down behavior
      // instead activate the menu
      this.activateMenu();
    },

    setSelectedItems() {
      VSelect.options.methods.setSelectedItems.call(this); // #4273 Don't replace if searching
      // #4403 Don't replace if focused

      if (!this.isFocused) this.setSearch();
    },

    setSearch() {
      // Wait for nextTick so selectedItem
      // has had time to update
      this.$nextTick(() => {
        if (!this.multiple || !this.internalSearch || !this.isMenuActive) {
          this.internalSearch = !this.selectedItems.length || this.multiple || this.hasSlot ? null : this.getText(this.selectedItem);
        }
      });
    },

    updateSelf() {
      if (!this.searchIsDirty && !this.internalValue) return;

      if (!this.valueComparator(this.internalSearch, this.getValue(this.internalValue))) {
        this.setSearch();
      }
    },

    hasItem(item) {
      return this.selectedValues.indexOf(this.getValue(item)) > -1;
    }

  }
});
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