/** * fa图标选择器 根据开源项目https://gitee.com/wujiawei0926/iconpicker修改而来 * @author wujiawei0926@yeah.net chung@99php.cn * @version 1.1 */ layui.define(['laypage', 'form'], function (exports) { "use strict"; var IconPicker = function () { this.v = '1.1'; }, _MOD = 'iconPickerFa', _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 url = opts.url, // 是否分页:true/false page = opts.page == null ? true : opts.page, // 每页显示数量 limit = opts.limit == null ? 12 : opts.limit, // 是否开启搜索:true/false search = opts.search == null ? true : opts.search, // 每个图标格子的宽度:'43px'或'20%' cellWidth = opts.cellWidth, // 点击回调 click = opts.click, // 渲染成功后的回调 success = opts.success, // json数据 data = {}, // 唯一标识 tmp = new Date().getTime(), // 初始化时input的值 ORIGINAL_ELEM_VALUE = $(elem).val(), 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(url); a.hideElem().createSelect().createBody().toggleSelect(); a.preventEvent().inputListen(); common.loadCss(); if (success) { success(this.successHandle()); } return a; }, successHandle: function () { var d = { options: opts, data: data, id: tmp, elem: $('#' + ICON_BODY) }; return d; }, /** * 隐藏elem */ hideElem: function () { $(elem).hide(); return a; }, /** * 绘制select下拉选择框 */ createSelect: function () { var oriIcon = ''; // 默认图标 if (ORIGINAL_ELEM_VALUE === '') { ORIGINAL_ELEM_VALUE = 'fa-adjust'; } oriIcon = ''; oriIcon += ''; var selectHtml = '
' + '
' + '
' + '' + oriIcon + '' + '' + '
' + '
' + '
' + '123' + '
'; $(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) { var $icon = $('#' + ICON_BODY); if ($icon.hasClass(selected)) { $icon.removeClass(selected).addClass(unselect); } else { // 隐藏其他picker $('.layui-form-select').removeClass(selected); // 显示当前picker $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 = ''; } // 组合dom var bodyHtml = '
' + searchHtml + '
' + '
'; $('#' + 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 = $('
')//'
'; // 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; } // 是否自定义格子宽度 var style = ''; if (cellWidth !== null) { style += ' style="width:' + cellWidth + '"'; } // 每个图标dom var icon = '
'; icon += ''; icon += '
'; 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 = $('
'); 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('

无数据

'); } // 判断是否分页 if (page) { $('#' + PICKER_BODY).addClass('layui-iconpicker-body-page'); pageHtml = '
' + '
' + '1/' + '' + _pages + '' + ' (' + l + ')' + '
' + '
' + ' ' + ' ' + '
' + '
'; } $('#' + ICON_BODY).find('.layui-anim').find('.' + LIST_BOX).html('').append(listHtml).append(pageHtml); return a; }, // 阻止Layui的一些默认事件 preventEvent: function () { var item = '#' + ICON_BODY + ' .layui-anim'; a.event('click', item, function (e) { e.stopPropagation(); }); 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 $('#' + ICON_BODY + ' .layui-iconpicker-icon-limit').hide(); $('#layui-iconpicker-icon-limit-' + tmp + 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); }); 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('.fa'), icon = ''; var clsArr = el.attr('class').split(/[\s\n]/), cls = clsArr[1], icon = cls; $('#' + TITLE_ID).find('.layui-iconpicker-item .fa').html('').attr('class', clsArr.join(' ')); $('#' + ICON_BODY).removeClass(selected).addClass(unselect); $(elem).val(icon).attr('value', icon); // 回调 if (click) { click({ icon: icon }); } }); return a; }, // 监听原始input数值改变 inputListen: function () { var el = $(elem); a.event('change', elem, function () { var value = el.val(); }) // el.change(function(){ // }); 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;}'; var $style = $('head').find('style[iconpicker]'); if ($style.length === 0) { $('head').append(''); } }, /** * 获取数据 */ getData: function (url) { var iconlist = []; $.ajax({ url: url, type: 'get', contentType: "application/x-www-form-urlencoded; charset=UTF-8", async: false, success: function (ret) { var exp = /fa-var-(.*):/ig; var result; while ((result = exp.exec(ret)) != null) { iconlist.push('fa-' + result[1]); } }, error: function (xhr, textstatus, thrown) { layer.msg('fa图标接口有误'); } }); return iconlist; } }; 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 el = $('*[lay-filter=' + filter + ']'), p = el.next().find('.layui-iconpicker-item .fa'), c = iconName; if (c.indexOf('#xe') > 0) { p.html(c); } else { p.html('').attr('class', 'fa ' + c); } el.attr('value', c).val(c); }; var iconPicker = new IconPicker(); exports(_MOD, iconPicker); });