layui_back/back/assets/module/iconPicker/iconPicker.js

layui.define(['laypage', 'form'], function (exports) {
    "use strict";

    var IconPicker = function () {
            this.v = '0.1.beta';
        }, _MOD = 'iconPicker',
        _this = this,
        $ = layui.jquery,
        laypage = layui.laypage,
        form = layui.form,
        BODY = 'body',
        TIPS = '请选择图标';

    /**
     * 渲染组件
     */
    IconPicker.prototype.render = function (options) {
        var opts = options,
            // DOM选择器
            elem = opts.elem,
            // 数据类型：fontClass/unicode
            type = opts.type == null ? 'fontClass' : opts.type,
            // 是否分页：true/false
            page = opts.page,
            // 每页显示数量
            limit = limit == null ? 12 : opts.limit,
            // 是否开启搜索：true/false
            search = opts.search == null ? true : opts.search,
            // 点击回调
            click = opts.click,
            // json数据
            data = {},
            // 唯一标识
            tmp = new Date().getTime(),
            // 是否使用的class数据
            isFontClass = opts.type === 'fontClass',
            TITLE = 'layui-select-title',
            TITLE_ID = 'layui-select-title-' + tmp,
            ICON_BODY = 'layui-iconpicker-' + tmp,
            PICKER_BODY = 'layui-iconpicker-body-' + tmp,
            PAGE_ID = 'layui-iconpicker-page-' + tmp,
            LIST_BOX = 'layui-iconpicker-list-box',
            selected = 'layui-form-selected',
            unselect = 'layui-unselect';

        var a = {
            init: function () {
                data = common.getData[type]();

                a.hideElem().createSelect().createBody().toggleSelect();
                common.loadCss();
                return a;
            },
            /**
             * 隐藏elem
             */
            hideElem: function () {
                $(elem).hide();
                return a;
            },
            /**
             * 绘制select下拉选择框
             */
            createSelect: function () {
                var selectHtml = '<div class="layui-iconpicker layui-unselect layui-form-select" id="' + ICON_BODY + '">' +
                    '<div class="' + TITLE + '" id="' + TITLE_ID + '">' +
                    '<div class="layui-iconpicker-item">' +
                    '<span class="layui-iconpicker-icon layui-unselect">' +
                    '<i class="layui-icon">&#xe617;</i>' +
                    '</span>' +
                    '<i class="layui-edge"></i>' +
                    '</div>' +
                    '</div>' +
                    '<div class="layui-anim layui-anim-upbit" style="">' +
                    '123' +
                    '</div>';
                $(elem).after(selectHtml);
                return a;
            },
            /**
             * 展开/折叠下拉框
             */
            toggleSelect: function () {
                var item = '#' + TITLE_ID + ' .layui-iconpicker-item,#' + TITLE_ID + ' .layui-iconpicker-item .layui-edge';
                a.event('click', item, function (e) {
                    //console.log('xxxx');
                    var $icon = $('#' + ICON_BODY);
                    if ($icon.hasClass(selected)) {
                        $icon.removeClass(selected).addClass(unselect);
                    } else {
                        $icon.addClass(selected).removeClass(unselect);
                    }
                    e.stopPropagation();
                });
                return a;
            },
            /**
             * 绘制主体部分
             */
            createBody: function () {
                // 获取数据
                var searchHtml = '';

                if (search) {
                    searchHtml = '<div class="layui-iconpicker-search">' +
                        '<input class="layui-input">' +
                        '<i class="layui-icon">&#xe615;</i>' +
                        '</div>';
                }

                // 组合dom
                var bodyHtml = '<div class="layui-iconpicker-body" id="' + PICKER_BODY + '">' +
                    searchHtml +
                    '<div class="' + LIST_BOX + '"></div> ' +
                    '</div>';
                $('#' + ICON_BODY).find('.layui-anim').eq(0).html(bodyHtml);
                a.search().createList().check().page();

                return a;
            },
            /**
             * 绘制图标列表
             * @param text 模糊查询关键字
             * @returns {string}
             */
            createList: function (text) {
                var d = data,
                    l = d.length,
                    pageHtml = '',
                    listHtml = $('<div class="layui-iconpicker-list">')//'<div class="layui-iconpicker-list">';

                // 计算分页数据
                var _limit = limit, // 每页显示数量
                    _pages = l % _limit === 0 ? l / _limit : parseInt(l / _limit + 1), // 总计多少页
                    _id = PAGE_ID;

                // 图标列表
                var icons = [];

                for (var i = 0; i < l; i++) {
                    var obj = d[i];

                    // 判断是否模糊查询
                    if (text && obj.indexOf(text) === -1) {
                        continue;
                    }

                    // 每个图标dom
                    var icon = '<div class="layui-iconpicker-icon-item" title="' + obj + '">';
                    if (isFontClass) {
                        icon += '<i class="layui-icon ' + obj + '"></i>';
                    } else {
                        icon += '<i class="layui-icon">' + obj.replace('amp;', '') + '</i>';
                    }
                    icon += '</div>';

                    icons.push(icon);
                }

                // 查询出图标后再分页
                l = icons.length;
                _pages = l % _limit === 0 ? l / _limit : parseInt(l / _limit + 1);
                for (var i = 0; i < _pages; i++) {
                    // 按limit分块
                    var lm = $('<div class="layui-iconpicker-icon-limit" id="layui-iconpicker-icon-limit-' + (i + 1) + '">');

                    for (var j = i * _limit; j < (i + 1) * _limit && j < l; j++) {
                        lm.append(icons[j]);
                    }

                    listHtml.append(lm);
                }

                // 无数据
                if (l === 0) {
                    listHtml.append('<p class="layui-iconpicker-tips">无数据</p>');
                }

                // 判断是否分页
                if (page) {
                    $('#' + PICKER_BODY).addClass('layui-iconpicker-body-page');
                    pageHtml = '<div class="layui-iconpicker-page" id="' + PAGE_ID + '">' +
                        '<div class="layui-iconpicker-page-count">' +
                        '<span id="' + PAGE_ID + '-current">1</span>/' +
                        '<span id="' + PAGE_ID + '-pages">' + _pages + '</span>' +
                        ' (<span id="' + PAGE_ID + '-length">' + l + '</span>)' +
                        '</div>' +
                        '<div class="layui-iconpicker-page-operate">' +
                        '<i class="layui-icon" id="' + PAGE_ID + '-prev" data-index="0" prev>&#xe603;</i> ' +
                        '<i class="layui-icon" id="' + PAGE_ID + '-next" data-index="2" next>&#xe602;</i> ' +
                        '</div>' +
                        '</div>';
                }


                $('#' + ICON_BODY).find('.layui-anim').find('.' + LIST_BOX).html('').append(listHtml).append(pageHtml);
                return a;
            },
            // 分页
            page: function () {
                var icon = '#' + PAGE_ID + ' .layui-iconpicker-page-operate .layui-icon';

                $(icon).unbind('click');
                a.event('click', icon, function (e) {
                    var elem = e.currentTarget,
                        total = parseInt($('#' + PAGE_ID + '-pages').html()),
                        isPrev = $(elem).attr('prev') !== undefined,
                        // 按钮上标的页码
                        index = parseInt($(elem).attr('data-index')),
                        $cur = $('#' + PAGE_ID + '-current'),
                        // 点击时正在显示的页码
                        current = parseInt($cur.html());

                    // 分页数据
                    if (isPrev && current > 1) {
                        current = current - 1;
                        $(icon + '[prev]').attr('data-index', current);
                    } else if (!isPrev && current < total) {
                        current = current + 1;
                        $(icon + '[next]').attr('data-index', current);
                    }
                    $cur.html(current);

                    // 图标数据
                    $('.layui-iconpicker-icon-limit').hide();
                    $('#layui-iconpicker-icon-limit-' + current).show();
                    e.stopPropagation();
                });
                return a;
            },
            /**
             * 搜索
             */
            search: function () {
                var item = '#' + PICKER_BODY + ' .layui-iconpicker-search .layui-input';
                a.event('input propertychange', item, function (e) {
                    var elem = e.target,
                        t = $(elem).val();
                    a.createList(t);
                });
                a.event('click', item, function (e) {
                    e.stopPropagation();
                });
                return a;
            },
            /**
             * 点击选中图标
             */
            check: function () {
                var item = '#' + PICKER_BODY + ' .layui-iconpicker-icon-item';
                a.event('click', item, function (e) {
                    var el = $(e.currentTarget).find('.layui-icon'),
                        icon = '';
                    if (isFontClass) {
                        var clsArr = el.attr('class').split(/[\s\n]/),
                            cls = clsArr[1],
                            icon = cls;
                        $('#' + TITLE_ID).find('.layui-iconpicker-item .layui-icon').html('').attr('class', clsArr.join(' '));
                    } else {
                        var cls = el.html(),
                            icon = cls;
                        $('#' + TITLE_ID).find('.layui-iconpicker-item .layui-icon').html(icon);
                    }

                    $('#' + ICON_BODY).removeClass(selected).addClass(unselect);
                    $(elem).attr('value', icon);
                    // 回调
                    if (click) {
                        click({
                            icon: icon
                        });
                    }

                });
                return a;
            },
            event: function (evt, el, fn) {
                $(BODY).on(evt, el, fn);
            }
        };

        var common = {
            /**
             * 加载样式表
             */
            loadCss: function () {
                var css = '.layui-iconpicker {max-width: 280px;}.layui-iconpicker .layui-anim{display:none;position:absolute;left:0;top:42px;padding:5px 0;z-index:899;min-width:100%;border:1px solid #d2d2d2;max-height:300px;overflow-y:auto;background-color:#fff;border-radius:2px;box-shadow:0 2px 4px rgba(0,0,0,.12);box-sizing:border-box;}.layui-iconpicker-item{border:1px solid #e6e6e6;width:90px;height:38px;border-radius:4px;cursor:pointer;position:relative;}.layui-iconpicker-icon{border-right:1px solid #e6e6e6;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;display:block;width:60px;height:100%;float:left;text-align:center;background:#fff;transition:all .3s;}.layui-iconpicker-icon i{line-height:38px;font-size:18px;}.layui-iconpicker-item > .layui-edge{left:70px;}.layui-iconpicker-item:hover{border-color:#D2D2D2!important;}.layui-iconpicker-item:hover .layui-iconpicker-icon{border-color:#D2D2D2!important;}.layui-iconpicker.layui-form-selected .layui-anim{display:block;}.layui-iconpicker-body{padding:6px;}.layui-iconpicker .layui-iconpicker-list{background-color:#fff;border:1px solid #ccc;border-radius:4px;}.layui-iconpicker .layui-iconpicker-icon-item{display:inline-block;width:21.1%;line-height:36px;text-align:center;cursor:pointer;vertical-align:top;height:36px;margin:4px;border:1px solid #ddd;border-radius:2px;transition:300ms;}.layui-iconpicker .layui-iconpicker-icon-item i.layui-icon{font-size:17px;}.layui-iconpicker .layui-iconpicker-icon-item:hover{background-color:#eee;border-color:#ccc;-webkit-box-shadow:0 0 2px #aaa,0 0 2px #fff inset;-moz-box-shadow:0 0 2px #aaa,0 0 2px #fff inset;box-shadow:0 0 2px #aaa,0 0 2px #fff inset;text-shadow:0 0 1px #fff;}.layui-iconpicker-search{position:relative;margin:0 0 6px 0;border:1px solid #e6e6e6;border-radius:2px;transition:300ms;}.layui-iconpicker-search:hover{border-color:#D2D2D2!important;}.layui-iconpicker-search .layui-input{cursor:text;display:inline-block;width:86%;border:none;padding-right:0;margin-top:1px;}.layui-iconpicker-search .layui-icon{position:absolute;top:11px;right:4%;}.layui-iconpicker-tips{text-align:center;padding:8px 0;cursor:not-allowed;}.layui-iconpicker-page{margin-top:6px;margin-bottom:-6px;font-size:12px;padding:0 2px;}.layui-iconpicker-page-count{display:inline-block;}.layui-iconpicker-page-operate{display:inline-block;float:right;cursor:default;}.layui-iconpicker-page-operate .layui-icon{font-size:12px;cursor:pointer;}.layui-iconpicker-body-page .layui-iconpicker-icon-limit{display:none;}.layui-iconpicker-body-page .layui-iconpicker-icon-limit:first-child{display:block;}';
                $('head').append('<style rel="stylesheet">' + css + '</style>');
            },
            /**
             * 获取数据
             */
            getData: {
                fontClass: function () {
                    var arr = ["layui-icon-rate-half", "layui-icon-rate", "layui-icon-rate-solid", "layui-icon-cellphone", "layui-icon-vercode", "layui-icon-login-wechat", "layui-icon-login-qq", "layui-icon-login-weibo", "layui-icon-password", "layui-icon-username", "layui-icon-refresh-3", "layui-icon-auz", "layui-icon-spread-left", "layui-icon-shrink-right", "layui-icon-snowflake", "layui-icon-tips", "layui-icon-note", "layui-icon-home", "layui-icon-senior", "layui-icon-refresh", "layui-icon-refresh-1", "layui-icon-flag", "layui-icon-theme", "layui-icon-notice", "layui-icon-website", "layui-icon-console", "layui-icon-face-surprised", "layui-icon-set", "layui-icon-template-1", "layui-icon-app", "layui-icon-template", "layui-icon-praise", "layui-icon-tread", "layui-icon-male", "layui-icon-female", "layui-icon-camera", "layui-icon-camera-fill", "layui-icon-more", "layui-icon-more-vertical", "layui-icon-rmb", "layui-icon-dollar", "layui-icon-diamond", "layui-icon-fire", "layui-icon-return", "layui-icon-location", "layui-icon-read", "layui-icon-survey", "layui-icon-face-smile", "layui-icon-face-cry", "layui-icon-cart-simple", "layui-icon-cart", "layui-icon-next", "layui-icon-prev", "layui-icon-upload-drag", "layui-icon-upload", "layui-icon-download-circle", "layui-icon-component", "layui-icon-file-b", "layui-icon-user", "layui-icon-find-fill", "layui-icon-loading", "layui-icon-loading-1", "layui-icon-add-1", "layui-icon-play", "layui-icon-pause", "layui-icon-headset", "layui-icon-video", "layui-icon-voice", "layui-icon-speaker", "layui-icon-fonts-del", "layui-icon-fonts-code", "layui-icon-fonts-html", "layui-icon-fonts-strong", "layui-icon-unlink", "layui-icon-picture", "layui-icon-link", "layui-icon-face-smile-b", "layui-icon-align-left", "layui-icon-align-right", "layui-icon-align-center", "layui-icon-fonts-u", "layui-icon-fonts-i", "layui-icon-tabs", "layui-icon-radio", "layui-icon-circle", "layui-icon-edit", "layui-icon-share", "layui-icon-delete", "layui-icon-form", "layui-icon-cellphone-fine", "layui-icon-dialogue", "layui-icon-fonts-clear", "layui-icon-layer", "layui-icon-date", "layui-icon-water", "layui-icon-code-circle", "layui-icon-carousel", "layui-icon-prev-circle", "layui-icon-layouts", "layui-icon-util", "layui-icon-templeate-1", "layui-icon-upload-circle", "layui-icon-tree", "layui-icon-table", "layui-icon-chart", "layui-icon-chart-screen", "layui-icon-engine", "layui-icon-triangle-d", "layui-icon-triangle-r", "layui-icon-file", "layui-icon-set-sm", "layui-icon-add-circle", "layui-icon-404", "layui-icon-about", "layui-icon-up", "layui-icon-down", "layui-icon-left", "layui-icon-right", "layui-icon-circle-dot", "layui-icon-search", "layui-icon-set-fill", "layui-icon-group", "layui-icon-friends", "layui-icon-reply-fill", "layui-icon-menu-fill", "layui-icon-log", "layui-icon-picture-fine", "layui-icon-face-smile-fine", "layui-icon-list", "layui-icon-release", "layui-icon-ok", "layui-icon-help", "layui-icon-chat", "layui-icon-top", "layui-icon-star", "layui-icon-star-fill", "layui-icon-close-fill", "layui-icon-close", "layui-icon-ok-circle", "layui-icon-add-circle-fine"];
                    return arr;
                },
                unicode: function () {
                    return ["&amp;#xe6c9;", "&amp;#xe67b;", "&amp;#xe67a;", "&amp;#xe678;", "&amp;#xe679;", "&amp;#xe677;", "&amp;#xe676;", "&amp;#xe675;", "&amp;#xe673;", "&amp;#xe66f;", "&amp;#xe9aa;", "&amp;#xe672;", "&amp;#xe66b;", "&amp;#xe668;", "&amp;#xe6b1;", "&amp;#xe702;", "&amp;#xe66e;", "&amp;#xe68e;", "&amp;#xe674;", "&amp;#xe669;", "&amp;#xe666;", "&amp;#xe66c;", "&amp;#xe66a;", "&amp;#xe667;", "&amp;#xe7ae;", "&amp;#xe665;", "&amp;#xe664;", "&amp;#xe716;", "&amp;#xe656;", "&amp;#xe653;", "&amp;#xe663;", "&amp;#xe6c6;", "&amp;#xe6c5;", "&amp;#xe662;", "&amp;#xe661;", "&amp;#xe660;", "&amp;#xe65d;", "&amp;#xe65f;", "&amp;#xe671;", "&amp;#xe65e;", "&amp;#xe659;", "&amp;#xe735;", "&amp;#xe756;", "&amp;#xe65c;", "&amp;#xe715;", "&amp;#xe705;", "&amp;#xe6b2;", "&amp;#xe6af;", "&amp;#xe69c;", "&amp;#xe698;", "&amp;#xe657;", "&amp;#xe65b;", "&amp;#xe65a;", "&amp;#xe681;", "&amp;#xe67c;", "&amp;#xe601;", "&amp;#xe857;", "&amp;#xe655;", "&amp;#xe770;", "&amp;#xe670;", "&amp;#xe63d;", "&amp;#xe63e;", "&amp;#xe654;", "&amp;#xe652;", "&amp;#xe651;", "&amp;#xe6fc;", "&amp;#xe6ed;", "&amp;#xe688;", "&amp;#xe645;", "&amp;#xe64f;", "&amp;#xe64e;", "&amp;#xe64b;", "&amp;#xe62b;", "&amp;#xe64d;", "&amp;#xe64a;", "&amp;#xe64c;", "&amp;#xe650;", "&amp;#xe649;", "&amp;#xe648;", "&amp;#xe647;", "&amp;#xe646;", "&amp;#xe644;", "&amp;#xe62a;", "&amp;#xe643;", "&amp;#xe63f;", "&amp;#xe642;", "&amp;#xe641;", "&amp;#xe640;", "&amp;#xe63c;", "&amp;#xe63b;", "&amp;#xe63a;", "&amp;#xe639;", "&amp;#xe638;", "&amp;#xe637;", "&amp;#xe636;", "&amp;#xe635;", "&amp;#xe634;", "&amp;#xe633;", "&amp;#xe632;", "&amp;#xe631;", "&amp;#xe630;", "&amp;#xe62f;", "&amp;#xe62e;", "&amp;#xe62d;", "&amp;#xe62c;", "&amp;#xe629;", "&amp;#xe628;", "&amp;#xe625;", "&amp;#xe623;", "&amp;#xe621;", "&amp;#xe620;", "&amp;#xe61f;", "&amp;#xe61c;", "&amp;#xe60b;", "&amp;#xe619;", "&amp;#xe61a;", "&amp;#xe603;", "&amp;#xe602;", "&amp;#xe617;", "&amp;#xe615;", "&amp;#xe614;", "&amp;#xe613;", "&amp;#xe612;", "&amp;#xe611;", "&amp;#xe60f;", "&amp;#xe60e;", "&amp;#xe60d;", "&amp;#xe60c;", "&amp;#xe60a;", "&amp;#xe609;", "&amp;#xe605;", "&amp;#xe607;", "&amp;#xe606;", "&amp;#xe604;", "&amp;#xe600;", "&amp;#xe658;", "&amp;#x1007;", "&amp;#x1006;", "&amp;#x1005;", "&amp;#xe608;"];
                }
            }
        };

        a.init();
        return new IconPicker();
    };

    /**
     * 选中图标
     * @param filter lay-filter
     * @param iconName 图标名称，自动识别fontClass/unicode
     */
    IconPicker.prototype.checkIcon = function (filter, iconName) {
        var p = $('*[lay-filter=' + filter + ']').next().find('.layui-iconpicker-item .layui-icon'),
            c = iconName;

        if (c.indexOf('#xe') > 0) {
            p.html(c);
        } else {
            p.html('').attr('class', 'layui-icon ' + c);
        }
    };

    var iconPicker = new IconPicker();
    exports(_MOD, iconPicker);
});