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Filename : jquery.dropdown-min.js
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(function(e){"use strict";function o(){}function n(e,o,n){var t,i,l,a=null,d=0;n||(n={});var s=function(){d=n.leading===!1?0:(new Date).getTime(),a=null,l=e.apply(t,i),a||(t=i=null)};return function(){var r=(new Date).getTime();d||n.leading!==!1||(d=r);var c=o-(r-d);return t=this,i=arguments,c<=0||c>o?(clearTimeout(a),a=null,d=r,l=e.apply(t,i),a||(t=i=null)):a||n.trailing===!1||(a=setTimeout(s,c)),l}}function t(){var e=this.isLabelMode,o=this.config.searchable,n=o?'<span class="dropdown-search">'+this.config.input+"</span>":"";return e?'<div class="dropdown-display-label"><div class="dropdown-chose-list">'+n+'</div></div><div class="dropdown-main">{{ul}}</div>':'<a href="javascript:;" class="dropdown-display" tabindex="0"><span class="dropdown-chose-list"></span><a href="javascript:;"  class="dropdown-clear-all" tabindex="0">×</a></a><div class="dropdown-main">'+n+"{{ul}}</div>"}function i(){var o=this,n=o.config,t=o.$el,i=t.find(".dropdown-minItem-alert"),l=n.minCountErrorMessage;clearTimeout(o.itemCountAlertTimer),0===i.length&&(l||(l="最低选择"+n.minCount+"个"),i=e('<div class="dropdown-minItem-alert">'+l+"</div>")),t.append(i),o.itemCountAlertTimer=setTimeout(function(){t.find(".dropdown-minItem-alert").remove()},f)}function l(){var o=this,n=o.config,t=o.$el,i=t.find(".dropdown-maxItem-alert"),l=n.limitCountErrorMessage;clearTimeout(o.itemLimitAlertTimer),0===i.length&&(l||(l="最多可选择"+n.limitCount+"个"),i=e('<div class="dropdown-maxItem-alert">'+l+"</div>")),t.append(i),o.itemLimitAlertTimer=setTimeout(function(){t.find(".dropdown-maxItem-alert").remove()},f)}function a(o){var n=o||"";return n=n.replace(/<select[^>]*>/gi,"").replace("</select>",""),n=n.replace(/<\/optgroup>/gi,""),n=n.replace(/<optgroup[^>]*>/gi,function(e){var o=/label="(.[^"]*)"(\s|>)/.exec(e),n=/data\-group\-id="(.[^"]*)"(\s|>)/.exec(e);return'<li class="dropdown-group" data-group-id="'+(n?n[1]:"")+'">'+(o?o[1]:"")+"</li>"}),n=n.replace(/<option(.*?)<\/option>/gi,function(o){var n=e(o).val(),t=/>(.*)<\//.exec(o),i=o.indexOf("selected")>-1,l=o.indexOf("disabled")>-1,a="";o.replace(/data-(\w+)="?(.[^"]+)"?/g,function(e){a+=e+" "});return"<li "+(l?" disabled":' tabindex="0"')+' data-value="'+(n||"")+'" class="dropdown-option '+(i?"dropdown-chose":"")+'" '+a+">"+(t?t[1]:"")+"</li>"})}function d(o){var n=this,t={},i="",l=[],a=0,d=n.config.extendProps;return!(!o||!o.length)&&(e.each(o,function(o,n){var i=n.groupId,s=n.disabled?" disabled":"",r=n.selected&&!s?" selected":"",c="";e.each(d,function(e,o){n[o]&&(c+="data-"+o+'="'+n[o]+'" ')});var p="<option"+s+r+' value="'+n.id+'" '+c+">"+n.name+"</option>";r&&(l.push('<span class="dropdown-selected">'+n.name+'<i class="del" data-id="'+n.id+'"></i></span>'),a++),i?t[n.groupId]?t[n.groupId]+=p:t[n.groupId]=n.groupName+"&janking&"+p:t[o]=p}),e.each(t,function(e,o){var n=o.split("&janking&");if(2===n.length){var t=n[0],l=n[1];i+='<optgroup label="'+t+'" data-group-id="'+e+'">'+l+"</optgroup>"}else i+=o}),[i,l,a])}function s(o){function n(o,n){var t=e(n);this.id=t.prop("value"),this.name=t.text(),this.disabled=t.prop("disabled"),this.selected=t.prop("selected")}var t=o,i=[];return e.each(t.children(),function(o,t){var l={},a={},d=e(t);"OPTGROUP"===t.nodeName?(a.groupId=d.data("groupId"),a.groupName=d.attr("label"),e.each(d.children(),e.proxy(n,l)),e.extend(l,a)):e.each(d,e.proxy(n,l)),i.push(l)}),i}function r(o,n){this.$el=e(n),this.$select=this.$el.find("select"),this.placeholder=this.$select.attr("placeholder"),this.config=o,this.name=[],this.isSingleSelect=!this.$select.prop("multiple"),this.selectAmount=0,this.itemLimitAlertTimer=null,this.isLabelMode="label"===this.config.multipleMode,this.init()}var c=function(){var e=navigator.userAgent.toLowerCase();if(e.indexOf("safari")!==-1)return!(e.indexOf("chrome")>-1)}(),p={readonly:!1,minCount:0,minCountErrorMessage:"",limitCount:1/0,limitCountErrorMessage:"",input:'<input type="text" maxLength="20" placeholder="搜索关键词或ID">',data:[],searchable:!0,searchNoData:'<li style="color:#ddd">查无数据，换个词儿试试 /(ㄒoㄒ)/~~</li>',init:o,choice:o,extendProps:[]},u={up:38,down:40,enter:13},h={click:"click.iui-dropdown",focus:"focus.iui-dropdown",keydown:"keydown.iui-dropdown",keyup:"keyup.iui-dropdown"},f=1e3,m={show:function(o){o.stopPropagation();var n=this;e(document).trigger("click.dropdown"),n.$el.addClass("active")},search:n(function(o){var n=this,t=n.config,i=n.$el,l=e(o.target),s=l.val(),r=n.config.data,c=[];o.keyCode>36&&o.keyCode<41||(e.each(r,function(e,o){(o.groupName&&o.groupName.toLowerCase().indexOf(s.toLowerCase())>-1||o.name.toLowerCase().indexOf(s.toLowerCase())>-1||""+o.id==""+s)&&c.push(o)}),i.find("ul").html(a(d.call(n,c)[0])||t.searchNoData))},300),control:function(o){var n,t,i,l=o.keyCode,a=u,d=0;l!==a.down&&l!==a.up||(n=l===a.up?-1:1,i=this.$el.find("[tabindex]"),t=i.index(e(document.activeElement)),d=t===-1?n+1?-1:0:t,d+=n,d===i.length&&(d=0),i.eq(d).focus(),o.preventDefault())},multiChoose:function(o,n){var t,a=this,d=a.config,s=a.$select,r=e(o.target),c=r.attr("data-value"),p=r.hasClass("dropdown-chose"),u=[];if(r.hasClass("dropdown-display"))return!1;if(p)r.removeClass("dropdown-chose"),a.selectAmount--;else{if(!(a.selectAmount<d.limitCount))return l.call(a),!1;r.addClass("dropdown-chose"),a.selectAmount++}a.name=[],e.each(d.data,function(e,o){""+o.id==""+c&&(t=o,o.selected=!p),o.selected&&(u.push(o.name),a.name.push('<span class="dropdown-selected">'+o.name+'<i class="del" data-id="'+o.id+'"></i></span>'))}),s.find('option[value="'+c+'"]').prop("selected",!p),p&&a.selectAmount<d.minCount&&i.call(a),a.$choseList.find(".dropdown-selected").remove(),a.$choseList.prepend(a.name.join("")),a.$el.find(".dropdown-display").attr("title",u.join(",")),d.choice.call(a,o,t)},singleChoose:function(o){var n=this,t=n.config,i=n.$el,l=n.$select,a=e(o.target),d=a.attr("data-value"),s=a.hasClass("dropdown-chose");return!a.hasClass("dropdown-chose")&&!a.hasClass("dropdown-display")&&(n.name=[],i.removeClass("active").find("li").not(a).removeClass("dropdown-chose"),a.toggleClass("dropdown-chose"),e.each(t.data,function(e,o){o.selected=!1,""+o.id==""+d&&(o.selected=s?0:1,o.selected&&n.name.push('<span class="dropdown-selected">'+o.name+'<i class="del" data-id="'+o.id+'"></i></span>'))}),l.find('option[value="'+d+'"]').prop("selected",!0),n.name.push('<span class="placeholder">'+n.placeholder+"</span>"),n.$choseList.html(n.name.join("")),void t.choice.call(n,o))},del:function(o){var n=this,t=n.config,i=e(o.target),l=i.data("id");return e.each(n.name,function(e,o){if(o.indexOf('data-id="'+l+'"')!==-1)return n.name.splice(e,1),!1}),e.each(n.config.data,function(e,o){if(""+o.id==""+l)return o.selected=!1,!1}),n.selectAmount--,n.$el.find('[data-value="'+l+'"]').removeClass("dropdown-chose"),n.$el.find('[value="'+l+'"]').prop("selected",!1).removeAttr("selected"),i.closest(".dropdown-selected").remove(),t.choice.call(n,o),!1},clearAll:function(o){var n=this,t=n.config;return o&&o.preventDefault(),console.log(this),this.$choseList.find(".del").each(function(o,n){e(n).trigger("click")}),t.minCount>0&&i.call(n),this.$el.find(".dropdown-display").removeAttr("title"),!1}};r.prototype={init:function(){var e=this,o=e.config,n=e.$el;e.$select.hide(),n.addClass(e.isSingleSelect?"dropdown-single":e.isLabelMode?"dropdown-multiple-label":"dropdown-multiple"),0===o.data.length&&(o.data=s(e.$select));var t=d.call(e,o.data);e.name=t[1],e.selectAmount=t[2],e.$select.html(t[0]),e.renderSelect(),e.changeStatus(o.disabled?"disabled":!!o.readonly&&"readonly"),e.config.init()},renderSelect:function(o,n){var i,l=this,d=l.$el,s=l.$select,r=a(s.prop("outerHTML"));o?d.find("ul")[n?"html":"append"](r):(i=t.call(l).replace("{{ul}}","<ul>"+r+"</ul>"),d.append(i).find("ul").removeAttr("style class")),n&&(l.name=[],l.$el.find(".dropdown-selected").remove(),l.$select.val("")),l.$choseList=d.find(".dropdown-chose-list"),l.isLabelMode||l.$choseList.html(e('<span class="placeholder"></span>').text(l.placeholder)),l.$choseList.prepend(l.name?l.name.join(""):[])},bindEvent:function(){var o=this,n=o.$el,t=c?h.click:h.focus;n.on(h.click,function(e){e.stopPropagation()}),n.on(h.click,".del",e.proxy(m.del,o)),o.isLabelMode?(n.on(h.click,".dropdown-display-label",function(){n.find("input").focus()}),o.config.searchable?n.on(h.focus,"input",e.proxy(m.show,o)):n.on(h.click,e.proxy(m.show,o)),n.on(h.keydown,"input",function(e){8===e.keyCode&&""===this.value&&o.name.length&&n.find(".del").eq(-1).trigger("click")})):(n.on(t,".dropdown-display",e.proxy(m.show,o)),n.on(t,".dropdown-clear-all",e.proxy(m.clearAll,o))),n.on(h.keyup,"input",e.proxy(m.search,o)),n.on(h.keyup,function(n){var t=n.keyCode,i=u;t===i.enter&&e.proxy(o.isSingleSelect?m.singleChoose:m.multiChoose,o,n)()}),n.on(h.keydown,e.proxy(m.control,o)),n.on(h.click,"li[tabindex]",e.proxy(o.isSingleSelect?m.singleChoose:m.multiChoose,o))},unbindEvent:function(){var e=this,o=e.$el,n=c?h.click:h.focus;o.off(h.click),o.off(h.click,".del"),e.isLabelMode?(o.off(h.click,".dropdown-display-label"),o.off(h.focus,"input"),o.off(h.keydown,"input")):(o.off(n,".dropdown-display"),o.off(n,".dropdown-clear-all")),o.off(h.keyup,"input"),o.off(h.keyup),o.off(h.keydown),o.off(h.click,"[tabindex]")},changeStatus:function(e){var o=this;"readonly"===e?o.unbindEvent():"disabled"===e?(o.$select.prop("disabled",!0),o.unbindEvent()):(o.$select.prop("disabled",!1),o.bindEvent())},update:function(e,o){var n=this,t=n.config,i=(n.$el,o||!1);if("[object Array]"===Object.prototype.toString.call(e)){t.data=i?e.slice(0):t.data.concat(e);var l=d.call(n,t.data);n.name=l[1],n.selectAmount=l[2],n.$select.html(l[0]),n.renderSelect(!0,i)}},destroy:function(){this.unbindEvent(),this.$el.children().not("select").remove(),this.$el.removeClass("dropdown-single dropdown-multiple-label dropdown-multiple"),this.$select.show()},choose:function(o,n){var t="[object Array]"===Object.prototype.toString.call(o)?o:[o],i=this,l=void 0===n||!!n;e.each(t,function(e,o){var t=i.$el.find('[data-value="'+o+'"]'),a=t.hasClass("dropdown-chose");a!==l&&t.trigger(h.click,n||!0)})},reset:function(){m.clearAll.call(this)}},e(document).on("click.dropdown",function(){e(".dropdown-single,.dropdown-multiple,.dropdown-multiple-label").removeClass("active")}),e.fn.dropdown=function(o){return this.each(function(n,t){e(t).data("dropdown",new r(e.extend(!0,{},p,o),t))}),this}})(jQuery);