TaoLer/public/static/component/pear/module/iconPicker.js

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

	var IconPicker = function() {
			this.v = '1.1';
		},
		_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 == 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,
			// 前缀 默认使用 layui-icon
			ICON_prefix = opts.prefix == null ? "layui-icon" : opts.prefix,
			// 异步获取外部字体图标数据
			ICON_url = opts.url ,
			// json数据
			data = {},
			// 唯一标识
			tmp = new Date().getTime(),
			// 是否使用的class数据
			isFontClass = opts.type === 'fontClass',
			// 是否使用自定义图标数据
			isCustom = opts.url !=null && opts.prefix != null,

			// 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() {
				if(isCustom)
				{
					data = common.ajaxData(ICON_url,ICON_prefix);
				}else{
					data = common.getData[type]();
				}
				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 = '<i class="layui-icon">';

				// 默认图标
				if (ORIGINAL_ELEM_VALUE === '') {
					if (isFontClass) {
						ORIGINAL_ELEM_VALUE = 'layui-icon-circle-dot';
					} else {
						ORIGINAL_ELEM_VALUE = '&#xe617;';
					}
				}

				if (isFontClass || isCustom) {
					oriIcon = '<i class="'+ ICON_prefix + ' ' + ORIGINAL_ELEM_VALUE + '">';
				} else {
					oriIcon += ORIGINAL_ELEM_VALUE;
				}
				oriIcon += '</i>';

				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">' +
					oriIcon +
					'</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) {
					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 = '<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;
					}

					// 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 = '<div class="layui-iconpicker-icon-item" title="' + obj + '" ' +
						style + '>';
					if (isFontClass || isCustom)
					{
						icon += '<i class="'+ ICON_prefix + ' ' + 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-' +
						tmp + (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;
			},
			// 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('.' + ICON_prefix),
						icon = '';
					console.log( el.attr('class'));
					if (isFontClass || isCustom) {
						var clsArr = el.attr('class').split(/[\s\n]/),
							cls = clsArr[1],
							icon = cls;
						$('#' + TITLE_ID).find('.layui-iconpicker-item .' + ICON_prefix).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).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('<style rel="stylesheet" iconpicker>' + 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;"
					];
				},

			},
			//通过异步获取自定义图标数据源
			ajaxData:function (url,prefix){
				var iconlist = [];
				$.ajax({
					url: url,
					type: 'get',
					contentType: "application/x-www-form-urlencoded; charset=UTF-8",
					async: false,
					success: function (ret) {
						var exp = eval("/"+prefix+"-(.*):/ig");
						var result;
						while ((result = exp.exec(ret)) != null) {
							iconlist.push(prefix + '-' + result[1]);
						}
					},
					error: function (xhr, textstatus, thrown) {
						layer.msg('自定义图标接口有误');
					}
				});
				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 .layui-icon'),
			c = iconName;

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

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