使用JS实现带搜索功能的列表

Search list 可用于目录搜索、通讯录搜索等场合。带符合过滤条件项目的数量提示。

js, widget, list, searchable

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常用链接

HTML
CSS
JavaScript
Result

编译

JavaScript

(function() {
 function format(text) {
 return text.replace(/ /g, '').replace(/(<([^>]+)>)/ig, '').toLowerCase();
 }

var SearchOnList = {
 $LIST: '[data-search-on-list=list]',
 $SEARCH: '[data-search-on-list=search]',
 $LIST_ITEM: '[data-search-on-list=list-item]',
 $COUNTER: '[data-search-on-list=counter]',
 TEMPLATE_EMTPY: '<li class="list-item list-item--disable">No results found</li>',

init: function($element) {
            this.items = [];
            this.itemsMatched = [];

this.$element = $element;
            this.$list = this.$element.find(this.$LIST);
            this.$search = this.$element.find(this.$SEARCH);
            this.$counter = this.$element.find(this.$COUNTER);

this.items = this._getAllItems();
            this.itemsMatched = this.items;

this._updateCounter();
            this._handleResults();
            this._setEventListeners();
        },

_setEventListeners: function() {
            this.$search
                .on('keyup', $.proxy(this._onKeyup, this))
                .on('query:changed', $.proxy(this._handleQueryChanged, this))
                .on('query:results:some', $.proxy(this._handleResults, this))
                .on('query:results:none', $.proxy(this._handleNoResults, this))
        },

_onKeyup: function() {
            var query = this.$search.val(),
                previousQuery = this.$search.data('previousQuery', query);

// TODO: Decide when query actually changed
            if (this._queryChanged()) {
                this.$search.trigger('query:changed', {
                    query: query,
                    previousQuery: previousQuery
                });
            }
        },

_queryChanged: function() {
            var query = this.$search.val();
            if ($.trim(query).length === 0 && this.$search.data('previousQuery') === undefined) {
                return false;
            }
            return true;
        },

_handleQueryChanged: function(e, data) {
            this.itemsMatched = this.items.map(function(item) {
                if (format(item.name).match(format(data.query))) {
                    return {
                        name: item.name,
                        visible: true
                    }
                }
                return {
                    name: item.name,
                    visible: false
                }
            });

this._render();
            this._updateCounter();
        },

_handleNoResults: function() {
            this.$list.html(this.TEMPLATE_EMTPY);
        },

_handleResults: function() {
            this.$list.empty().append(this._renderItemsVisible())
        },

_someItemsVisible: function() {
            return this.itemsMatched.some(function(item) {
                return item.visible;
            });
        },

_render: function() {
            (this._someItemsVisible()) ?
            this.$search.trigger('query:results:some'):
                this.$search.trigger('query:results:none');
        },

_updateCounter: function() {
            (this._someItemsVisible()) ?
            this.$counter.text(this._renderItemsVisible().length):
                this.$counter.text('');
        },

_getAllItems: function() {
            var $items = this.$list.find(this.$LIST_ITEM);

return $items.map(function() {
                var $item = $(this);

return {
                    name: $item.html(),
                    visible: true
                };
            }).toArray();
        },

_renderItemsVisible: function() {
 var itemInTemplate;
 return this.itemsMatched.sort(function(a, b) {
 if (a.name < b.name) return -1
 if (a.name > b.name) return 1;
 return 0;
 }).reduce(function(items, item) {
 itemInTemplate = '<li class="list-item" data-search-on-list="list-item">' + item.name + '</li>';
 if (item.visible) {
 items.push(itemInTemplate);
 }
 return items;
 }, []);
 }
 };

window.SearchOnList = SearchOnList;
})();

SearchOnList.init($('[data-behaviour=search-on-list]'));

编译

CSS

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%,
    30%,
    50%,
    70% {
        transform: translateX(-5px);
    }
    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}
* {
    box-sizing: border-box;
}
body {
    background: #f8f9fa;
    font-family: sans-serif;
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 300px;
    height: 300px;
    background: #f2f3f6;
    padding: 1em;
    border: 1px solid #d4d7e1;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 5px 10px rgba(0, 0, 0, 0.05);
    border-radius: 3px;
    overflow: hidden;
}
.input-query {
    width: 100%;
    padding: 0.5em;
    border: 1px solid #d4d7e1;
    border-radius: 3px;
    font-size: 1em;
}
.input-query:focus ~ .counter {
    opacity: 0.1;
    transition: opacity 1s ease-in;
}
.list-wrap {
    margin-top: 0.4em;
    overflow-y: auto;
    overflow-x: hidden;
}
.list {
    max-height: 220px;
}
.list-item {
    font-size: 0.9em;
    padding: 0.5em 0.8em;
    border-bottom: 1px solid #d4d7e1;
    border-top: 1px solid white;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-wrap: normal;
    max-width: 100%;
}
.list-item:first-child {
    border-top: none;
}
.list-item:last-child {
    border-bottom: none;
}
.list-item-link {
    color: #444;
    text-decoration: none;
}
.item-list-subtext {
    font-size: 85%;
    color: grey;
}
.item-list-subtext:before {
    content: ' (';
}
.item-list-subtext:after {
    content: ')';
}
.list-item--disable {
    text-align: center;
    border-bottom: none;
    animation: shake 0.6s;
    color: #9da1b1;
}
.counter {
    position: absolute;
    bottom: -15px;
    right: 10px;
    z-index: 0;
    font-size: 3.5em;
    color: black;
    transform: translateY(0);
    opacity: 0;
}

HTML

<div class="container" data-behaviour="search-on-list">
 <input type="text" class="input-query" data-search-on-list="search" placeholder="Search name or last name..." />
 
 <div class="list-wrap">
 <ul class="list" data-search-on-list="list">
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">Ali Smith</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">Alia Johnson</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">AmiraJohnson</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">OmarDavis</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">AaronDavis</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">Bailey Moore</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">NoahThomas</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">LiamGarcia</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">DakotaGarcia</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">OliviaTaylor</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">MasonGarcia</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">AbigailMartin</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">EmilyRobinson</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">EmilyGarcía</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">JohnRobinson</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">EmilyClark</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">AuroraLewis</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">AdelineRobinson</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">JohnGarcía</a>
 </li>
 <li class="list-item" data-search-on-list="list-item">
 <a href="" class="list-item-link">IslaLewis</a>
 </li>
 </ul>
 </div>
</div>

Search list 可用于目录搜索、通讯录搜索等场合。带符合过滤条件项目的数量提示。

js, widget, list, searchable

编辑器支持Emmet

快捷键

Search list 可用于目录搜索、通讯录搜索等场合。带符合过滤条件项目的数量提示。

js, widget, list, searchable

使用JS实现的下拉列表框多选标签控件

使用anime.js和SVG实现的列表项删除破碎玻璃特效

编辑器支持Emmet

快捷键

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