自动完成

<template>
  <div class="page">
    <div class="navbar">
      <div class="navbar-bg"></div>
      <div class="navbar-inner sliding">
        <div class="title">Autocomplete</div>
        <div class="subnavbar">
          <form class="searchbar" id="searchbar-autocomplete">
            <div class="searchbar-inner">
              <div class="searchbar-input-wrap">
                <input type="search" placeholder="Search" />
                <i class="searchbar-icon"></i>
                <span class="input-clear-button"></span>
              </div>
              <span class="searchbar-disable-button">Cancel</span>
            </div>
          </form>
        </div>
      </div>
    </div>
    <div class="page-content">
      <div class="block-title">Dropdown Autocomplete</div>
      <div class="block">
        <p>Dropdown autocomplete is good to use as a quick and simple solution to provide more options in addition to
          free-type value.</p>
      </div>
      <div class="list list-strong-ios list-outline-ios">
        <div class="block-header">Simple Dropdown Autocomplete</div>
        <ul>
          <li class="item-content item-input">
            <div class="item-inner">
              <div class="item-title item-label">Fruit</div>
              <div class="item-input-wrap">
                <input type="text" placeholder="Fruit" id="autocomplete-dropdown" />
              </div>
            </div>
          </li>
        </ul>
      </div>

      <div class="list list-strong-ios list-outline-ios">
        <div class="block-header">Dropdown With All Values</div>
        <ul>
          <li class="item-content item-input">
            <div class="item-inner">
              <div class="item-title item-label">Fruit</div>
              <div class="item-input-wrap">
                <input type="text" placeholder="Fruit" id="autocomplete-dropdown-all" />
              </div>
            </div>
          </li>
        </ul>
      </div>
      <div class="list list-strong-ios list-outline-ios">
        <div class="block-header">Dropdown With Placeholder</div>
        <ul>
          <li class="item-content item-input">
            <div class="item-inner">
              <div class="item-title item-label">Fruit</div>
              <div class="item-input-wrap">
                <input type="text" placeholder="Fruit" id="autocomplete-dropdown-placeholder" />
              </div>
            </div>
          </li>
        </ul>
      </div>
      <div class="list list-strong-ios list-outline-ios">
        <div class="block-header">Dropdown With Typeahead</div>
        <ul>
          <li class="item-content item-input">
            <div class="item-inner">
              <div class="item-title item-label">Fruit</div>
              <div class="item-input-wrap">
                <input type="text" placeholder="Fruit" id="autocomplete-dropdown-typeahead" />
              </div>
            </div>
          </li>
        </ul>
      </div>
      <div class="list list-strong-ios list-outline-ios">
        <div class="block-header">Dropdown With Ajax-Data</div>
        <ul>
          <li class="item-content item-input">
            <div class="item-inner">
              <div class="item-title item-label">Language</div>
              <div class="item-input-wrap">
                <input type="text" placeholder="Language" id="autocomplete-dropdown-ajax" />
              </div>
            </div>
          </li>
        </ul>
      </div>
      <div class="list list-strong-ios list-outline-ios">
        <div class="block-header">Dropdown With Ajax-Data + Typeahead</div>
        <ul>
          <li class="item-content item-input">
            <div class="item-inner">
              <div class="item-title item-label">Language</div>
              <div class="item-input-wrap">
                <input type="text" placeholder="Language" id="autocomplete-dropdown-ajax-typeahead" />
              </div>
            </div>
          </li>
        </ul>
      </div>
      <div class="block-title">Standalone Autocomplete</div>
      <div class="block">
        <p>Standalone autocomplete provides better mobile UX by opening it in a new page or popup. Good to use when you
          need to get strict values without allowing free-type values.</p>
      </div>
      <div class="list list-strong list-outline-ios">
        <div class="block-header">Simple Standalone Autocomplete</div>
        <ul>
          <li>
            <a id="autocomplete-standalone" class="item-link item-content autocomplete-opener">
              <input type="hidden" />
              <div class="item-inner">
                <div class="item-title">Favorite Fruite</div>
                <div class="item-after"></div>
              </div>
            </a>
          </li>
        </ul>
      </div>
      <div class="list list-strong list-outline-ios">
        <div class="block-header">Popup Autocomplete</div>
        <ul>
          <li>
            <a id="autocomplete-standalone-popup" class="item-link item-content autocomplete-opener">
              <input type="hidden" />
              <div class="item-inner">
                <div class="item-title">Favorite Fruite</div>
                <div class="item-after"></div>
              </div>
            </a>
          </li>
        </ul>
      </div>
      <div class="list list-strong list-outline-ios">
        <div class="block-header">Multiple Values</div>
        <ul>
          <li>
            <a id="autocomplete-standalone-multiple" class="item-link item-content autocomplete-opener">
              <input type="hidden" />
              <div class="item-inner">
                <div class="item-title">Favorite Fruite</div>
                <div class="item-after"></div>
              </div>
            </a>
          </li>
        </ul>
      </div>
      <div class="list list-strong list-outline-ios">
        <div class="block-header">With Ajax-Data</div>
        <ul>
          <li>
            <a id="autocomplete-standalone-ajax" class="item-link item-content autocomplete-opener">
              <input type="hidden" />
              <div class="item-inner">
                <div class="item-title">Language</div>
                <div class="item-after"></div>
              </div>
            </a>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>
<script>
  export default (props, { $, $f7, $onMounted, $onBeforeUnmount }) => {
    const fruits = 'Apple Apricot Avocado Banana Melon Orange Peach Pear Pineapple'.split(' ');

    let searchbar;
    let autocompleteDropdownSimple;
    let autocompleteDropdownAll;
    let autocompleteDropdownPlaceholder;
    let autocompleteDropdownTypeahead;
    let autocompleteDropdownAjax;
    let autocompleteDropdownAjaxTypeahead;
    let autocompleteStandaloneSimple;
    let autocompleteStandalonePopup;
    let autocompleteStandaloneMultiple;
    let autocompleteStandaloneAjax;

    $onBeforeUnmount(() => {
      searchbar.destroy();
      autocompleteDropdownSimple.destroy();
      autocompleteDropdownAll.destroy();
      autocompleteDropdownPlaceholder.destroy();
      autocompleteDropdownTypeahead.destroy();
      autocompleteDropdownAjax.destroy();
      autocompleteDropdownAjaxTypeahead.destroy();
      autocompleteStandaloneSimple.destroy();
      autocompleteStandalonePopup.destroy();
      autocompleteStandaloneMultiple.destroy();
      autocompleteStandaloneAjax.destroy();
    })

    $onMounted(() => {
      autocompleteDropdownSimple = $f7.autocomplete.create({
        inputEl: '#autocomplete-dropdown',
        openIn: 'dropdown',
        source: function (query, render) {
          console.log(query);
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) >= 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        }
      });

      // Dropdown with all values
      autocompleteDropdownAll = $f7.autocomplete.create({
        inputEl: '#autocomplete-dropdown-all',
        openIn: 'dropdown',
        source: function (query, render) {
          var results = [];
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) >= 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        }
      });

      // Dropdown with placeholder
      autocompleteDropdownPlaceholder = $f7.autocomplete.create({
        inputEl: '#autocomplete-dropdown-placeholder',
        openIn: 'dropdown',
        dropdownPlaceholderText: 'Try to type "Apple"',
        source: function (query, render) {
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) >= 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        }
      });

      // Dropdown with typeahead
      autocompleteDropdownTypeahead = $f7.autocomplete.create({
        inputEl: '#autocomplete-dropdown-typeahead',
        openIn: 'dropdown',
        dropdownPlaceholderText: 'Try to type "Pineapple"',
        typeahead: true,
        source: function (query, render) {
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) === 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        }
      });

      // Dropdown with ajax data
      autocompleteDropdownAjax = $f7.autocomplete.create({
        inputEl: '#autocomplete-dropdown-ajax',
        openIn: 'dropdown',
        preloader: true, //enable preloader
        /* If we set valueProperty to "id" then input value on select will be set according to this property */
        valueProperty: 'name', //object's "value" property name
        textProperty: 'name', //object's "text" property name
        limit: 20, //limit to 20 results
        dropdownPlaceholderText: 'Try "JavaScript"',
        source: function (query, render) {
          var autocomplete = this;
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Show Preloader
          autocomplete.preloaderShow();

          // Do Ajax request to Autocomplete data
          fetch(`./js/autocomplete-languages.json?query=${query}`)
            .then((res) => res.json())
            .then((data) => {
              // Find matched items
              for (let i = 0; i < data.length; i += 1) {
                if (data[i].name.toLowerCase().indexOf(query.toLowerCase()) >= 0)
                  results.push(data[i]);
              }
              // Hide Preoloader
              autocomplete.preloaderHide();
              // Render items by passing array with result items
              render(results);
            });
        }
      });

      // Dropdown with ajax data
      autocompleteDropdownAjaxTypeahead = $f7.autocomplete.create({
        inputEl: '#autocomplete-dropdown-ajax-typeahead',
        openIn: 'dropdown',
        preloader: true, //enable preloader
        /* If we set valueProperty to "id" then input value on select will be set according to this property */
        valueProperty: 'name', //object's "value" property name
        textProperty: 'name', //object's "text" property name
        limit: 20, //limit to 20 results
        typeahead: true,
        dropdownPlaceholderText: 'Try "JavaScript"',
        source: function (query, render) {
          var autocomplete = this;
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Show Preloader
          autocomplete.preloaderShow();

          // Do Ajax request to Autocomplete data
          fetch(`./js/autocomplete-languages.json?query=${query}`)
            .then((res) => res.json())
            .then((data) => {
              // Find matched items
              for (let i = 0; i < data.length; i += 1) {
                if (data[i].name.toLowerCase().indexOf(query.toLowerCase()) >= 0)
                  results.push(data[i]);
              }
              // Hide Preoloader
              autocomplete.preloaderHide();
              // Render items by passing array with result items
              render(results);
            });
        }
      });

      // Simple Standalone
      autocompleteStandaloneSimple = $f7.autocomplete.create({
        openIn: 'page', //open in page
        openerEl: '#autocomplete-standalone', //link that opens autocomplete
        closeOnSelect: true, //go back after we select something
        source: function (query, render) {
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) >= 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        },
        on: {
          change: function (value) {
            console.log(value);
            // Add item text value to item-after
            $('#autocomplete-standalone').find('.item-after').text(value[0]);
            // Add item value to input value
            $('#autocomplete-standalone').find('input').val(value[0]);
          },
        },
      });

      // Standalone Popup
      autocompleteStandalonePopup = $f7.autocomplete.create({
        openIn: 'popup', //open in page
        openerEl: '#autocomplete-standalone-popup', //link that opens autocomplete
        closeOnSelect: true, //go back after we select something
        source: function (query, render) {
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) >= 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        },
        on: {
          change: function (value) {
            // Add item text value to item-after
            $('#autocomplete-standalone-popup').find('.item-after').text(value[0]);
            // Add item value to input value
            $('#autocomplete-standalone-popup').find('input').val(value[0]);
          },
        },
      });

      // Multiple Standalone
      autocompleteStandaloneMultiple = $f7.autocomplete.create({
        openIn: 'page', //open in page
        openerEl: '#autocomplete-standalone-multiple', //link that opens autocomplete
        multiple: true, //allow multiple values
        source: function (query, render) {
          var autocomplete = this;
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) >= 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        },
        on: {
          change: function (value) {
            // Add item text value to item-after
            $('#autocomplete-standalone-multiple').find('.item-after').text(value.join(', '));
            // Add item value to input value
            $('#autocomplete-standalone-multiple').find('input').val(value.join(', '));
          }
        }
      });

      // Standalone With Ajax
      autocompleteStandaloneAjax = $f7.autocomplete.create({
        openIn: 'page', //open in page
        openerEl: '#autocomplete-standalone-ajax', //link that opens autocomplete
        multiple: true, //allow multiple values
        valueProperty: 'id', //object's "value" property name
        textProperty: 'name', //object's "text" property name
        limit: 50,
        preloader: true, //enable preloader
        source: function (query, render) {
          var autocomplete = this;
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Show Preloader
          autocomplete.preloaderShow();

          // Do Ajax request to Autocomplete data
          fetch(`./js/autocomplete-languages.json?query=${query}`)
            .then((res) => res.json())
            .then((data) => {
              // Find matched items
              for (let i = 0; i < data.length; i += 1) {
                if (data[i].name.toLowerCase().indexOf(query.toLowerCase()) >= 0)
                  results.push(data[i]);
              }
              // Hide Preoloader
              autocomplete.preloaderHide();
              // Render items by passing array with result items
              render(results);
            });
        },
        on: {
          change: function (value) {
            var itemText = [],
              inputValue = [];
            for (var i = 0; i < value.length; i++) {
              itemText.push(value[i].name);
              inputValue.push(value[i].id);
            }
            // Add item text value to item-after
            $('#autocomplete-standalone-ajax').find('.item-after').text(itemText.join(', '));
            // Add item value to input value
            $('#autocomplete-standalone-ajax').find('input').val(inputValue.join(', '));
          },
        },
      });

      // Searchbar Autocomplete
      autocompleteSearchbar = $f7.autocomplete.create({
        openIn: 'dropdown',
        inputEl: '#searchbar-autocomplete input[type="search"]',
        dropdownPlaceholderText: 'Type "Apple"',
        source: function (query, render) {
          var results = [];
          if (query.length === 0) {
            render(results);
            return;
          }
          // Find matched items
          for (var i = 0; i < fruits.length; i++) {
            if (fruits[i].toLowerCase().indexOf(query.toLowerCase()) >= 0) results.push(fruits[i]);
          }
          // Render items by passing array with result items
          render(results);
        }
      })

      searchbar = $f7.searchbar.create({
        el: '#searchbar-autocomplete',
        customSearch: true,
        on: {
          search: function (sb, query) {
            console.log(query);
          }
        }
      })
    })

    return $render;
  }
</script>