使用Taggle.js和TypeAhead.js实现文章标签列表编辑功能

Taggle.js and TypeAhead.js for editable tag list

JavaScript, 界面组件

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编译

JavaScript

var substringMatcher = function(strs) {
    return function findMatches(q, cb) {
        var matches, substringRegex;

// an array that will be populated with substring matches
        matches = [];

// regex used to determine if a string contains the substring `q`
        substrRegex = new RegExp(q, 'i');

// iterate through the pool of strings and for any string that
        // contains the substring `q`, add it to the `matches` array
        $.each(strs, function(i, str) {
            if (substrRegex.test(str)) {
                matches.push(str);
            }
        });

cb(matches);
    };
};

function parseTags(id) {
    var setTags = $('#' + id).text();
    setTags = setTags.replace(/\s\s+/g, '');

if (!setTags.length) {
        return [];
    }

setTags = setTags.replace(/(^\s*)|(,\s*$)/g, '');
    setTags = setTags.split(',');
    return setTags;
}

$(document).ready(function() {
    if (document.getElementById('tags')) {
        new Taggle('tags', {
            hiddenInputName: 'tags[]',
            placeholder: '',
            tags: parseTags('tag-data'),
            duplicateTagClass: 'bounce',
            onTagAdd: function() {
                $(this).val('');
                $('.tt-suggestion').remove();
            }
        });

$('#tags .taggle_input').typeahead({
            hint: true,
            highlight: true,
            minLength: 1
        }, {
            name: 'tags',
            source: substringMatcher(parseTags('available-tag-data'))
        });
    }

$('.taggle_input').on('blur', function() {
        $(this).val('');
        $('.tt-suggestion').remove();
    });

$('.tt-input').first().focus();
});

编译

CSS

/* addins */

.tag-container:after {
    content: "";
    display: table;
    clear: both;
}
/* taggle defaults */

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-16px);
    }
    60% {
        transform: translateY(-7px);
    }
}
.bounce {
    animation-name: bounce;
}
.project_container a {
    color: #000;
}
.clearfix:before,
.clearfix:after {
    display: block;
    content: "";
    line-height: 0;
    clear: both;
}
.taggle_list {
    float: left;
    width: 100%;
    margin: 0;
}
.taggle_input {
    border: none;
    outline: none;
    font-size: 16px;
    font-weight: 300;
}
.taggle_list li {
    float: left;
    display: inline-block;
    white-space: nowrap;
    font-weight: 500;
    margin-bottom: 5px;
}
.taggle_list .taggle {
    margin-right: 8px;
    background: #E2E1DF;
    padding: 5px 10px;
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    transition: all .3s;
    animation-duration: 1s;
    animation-fill-mode: both;
}
.taggle_list .taggle_hot {
    background: #cac8c4;
}
.taggle_list .taggle .close {
    font-size: 1.1rem;
    position: absolute;
    top: 5px;
    right: 3px;
    text-decoration: none;
    padding-left: 2px;
    padding-top: 3px;
    line-height: 0.5;
    color: #ccc;
    color: rgba(0, 0, 0, 0.2);
    padding-bottom: 4px;
    display: none;
    border: 0;
    background: none;
    cursor: pointer;
}
.taggle_list .taggle:hover {
    padding: 5px;
    padding-right: 15px;
    background: #ccc;
    transition: all .3s;
}
.taggle_list .taggle:hover > .close {
    display: block;
}
.taggle_list .taggle .close:hover {
    color: #990033;
}
.taggle_placeholder {
    position: absolute;
    color: #CCC;
    top: 12px;
    left: 8px;
    transition: opacity, .25s;
    user-select: none;
}
.taggle_input {
    padding: 8px;
    padding-left: 0;
    float: left;
    margin-top: -5px;
    background: none;
    width: 100%;
    max-width: 100%;
}
.taggle_sizer {
    padding: 0;
    margin: 0;
    position: absolute;
    top: -500px;
    z-index: -1;
    visibility: hidden;
}
/* custom styles */

h1 {
    font-size: 22px;
}
a {
    color: #1f9fd6;
    text-decoration: none;
}
.form-group {
    width: 90%;
    margin: 40px auto;
    max-width: 400px;
    position: relative;
}
.control-label {
    font-size: 12px;
    font-weight: 700;
    display: block;
    margin-bottom: 2px;
}
.tag-container {
    padding: 4px 4px 0;
    background: #e3e3e3;
    border-radius: 0;
    border-bottom: 2px solid #a7a7a7;
    margin-bottom: -8px;
    font-size: 16px;
    line-height: 1;
    transition: border-color .2s ease-in-out;
    height: auto;
    min-height: 30px;
}
.tag-container input[type="text"] {
    background-color: transparent;
    border: none;
}
.tag-container .twitter-typeahead {
    position: static !important;
}
.tag-container .tt-menu {
    background: #fff;
    font-size: 14px;
    box-shadow: 0 2px 4px 1px rgba(0, 0, 0, 0.15);
    right: 0;
    margin-top: -12px;
}
.tag-container .tt-menu .tt-suggestion {
    padding: 4px 8px;
}
.tag-container .tt-menu .tt-highlight {
    color: #1f9fd6;
}
.tag-container .tt-menu .tt-cursor {
    background: #1f9fd6;
    color: #fff;
}
.tag-container .tt-menu .tt-cursor .tt-highlight {
    color: #fff;
}
.tag-container .tt-hint {
    display: none;
}
.tag-data {
    display: none;
}
.taggle_list {
    padding: 0;
}
.taggle_list .taggle {
    background: #1f9fd6;
    color: #fff;
    font-size: 12px;
    border-radius: 3px;
    padding: 4px 16px 4px 8px;
    margin: 0 2px 2px 0;
}
.taggle_list .taggle .close {
    font-size: .9rem;
    position: absolute;
    top: 3px;
    right: -3px;
    color: #fff;
    display: block;
}
.taggle_list .taggle:hover {
    background: #1079A6;
    padding: 4px 16px 4px 8px;
}
.taggle_list .taggle:hover .close {
    color: #fff;
}
[type="text"] {
    display: block;
    width: auto !important;
    padding: 0 8px;
    font-size: 14px;
    line-height: 1;
    height: 30px;
}
[type="text"]::selection {
    background: #1f9fd6;
    color: #fff;
}

HTML

Taggle.js and TypeAhead.js for editable tag list

JavaScript, 界面组件

编辑器支持Emmet

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Taggle.js and TypeAhead.js for editable tag list

JavaScript, 界面组件

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编辑器支持Emmet

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