(function(global){var custompagination=function(el,options){this.el=typeof el==="string"?document.queryselector(el):el;var default_options={next_prev_links:"yes",inupt_forward:"yes",total:10,count:6,changepage:function(pagenum){}};if(options){for(var key in options){default_options[key]=options[key]}}this.options=default_options;this.current_page=1;this.times=1;this.init()};custompagination.prototype={init:function(){var that=this;this.destroy();var links=this.options.next_prev_links,prev_link_html="",next_link_html="";if(links&&links.tolowercase()==="yes"){prev_link_html='<a class="prev-page" href="#">上一页</a>';next_link_html='<a class="next-page" href="#">下一页</a>'}var inputs=this.options.inupt_forward,input_html="";if(inputs&&inputs.tolowercase()==="yes"){input_html='<div class="page-to">跳至<input type="text" id="page_input" />页<span class="go">go</span></div>'}var totals=parseint(this.options.total),counts=parseint(this.options.count),show_pages_html="";if(totals){var page_li_html="";if(totals>counts){for(var i=1,len1=counts;i<len1;i++){if(i===1){page_li_html+='<li class="current-page">'+i+"</li>"}else{page_li_html+="<li>"+i+"</li>"}}show_pages_html="<ul>"+page_li_html+'<li class="ellipsis">…</li><li>'+totals+"</li>"+"</ul>"}else{for(var j=0,len2=totals;j<len2;j++){if(j===0){page_li_html+='<li class="current-page">'+(j+1)+"</li>"}else{page_li_html+="<li>"+(j+1)+"</li>"}}show_pages_html="<ul>"+page_li_html+"</ul>"}}var custom_pagination_html="";if(totals&&counts){custom_pagination_html='<div class="custom-pagination">'+prev_link_html+show_pages_html+next_link_html+input_html+"</div>";this.el.innerhtml=custom_pagination_html;this.positioncenter();this.bindclickpage();if(links&&links.tolowercase()==="yes"){that.addevent(this.el.firstchild.queryselector(".prev-page"),"click",function(e){e=e.target?e.target:e.srcelement;if(!e.hasattribute("disabled")){that.prevpage()}});that.addevent(this.el.firstchild.queryselector(".next-page"),"click",function(e){e=e.target?e.target:e.srcelement;if(!e.hasattribute("disabled")){that.nextpage()}})}if(inputs&&inputs.tolowercase()==="yes"){that.addevent(this.el.firstchild.queryselector(".go"),"click",function(e){that.searchinput()})}}this.disableprenext();this.options.changepage(this.current_page)},regeneratepageletter:function(){var ul=this.el.firstchild.getelementsbytagname("ul")[0];ul.innerhtml="";var end=this.current_page;var start=end-(this.options.count-1);var checked=end-1;var totals=parseint(this.options.total);var counts=end;var page_li_html="";if(totals>counts){for(var i=start,len1=counts;i<len1;i++){page_li_html+="<li>"+i+"</li>"}ul.innerhtml=page_li_html+'<li class="ellipsis">…</li><li>'+totals+"</li>"}this.positioncenter();this.bindclickpage();this.times--;ul.childnodes[(this.options.count-1)-1].click()},regeneratepagebigger:function(){var ul=this.el.firstchild.getelementsbytagname("ul")[0];ul.innerhtml="";var end=this.current_page;var start=end+1;var totals=parseint(this.options.total);var counts=parseint(this.options.count)+end;var page_li_html="";if(totals>counts){for(var i=start,len1=counts;i<len1;i++){page_li_html+="<li>"+i+"</li>"}ul.innerhtml=page_li_html+'<li class="ellipsis">…</li><li>'+totals+"</li>"}else{for(var j=end,len2=totals;j<len2;j++){page_li_html+="<li>"+(j+1)+"</li>"}ul.innerhtml=page_li_html}this.positioncenter();this.bindclickpage();this.times++;ul.childnodes[0].click()},prevpage:function(){var currentx_select=this.el.queryselector(".current-page");var pre_select=currentx_select.previouselementsibling||currentx_select.previoussibling;var should_to_page=this.current_page-1;if(this.options.total>this.options.count){var can_to_page=this.times*(this.options.count-1)-(this.options.count-1)+1;if(should_to_page<can_to_page){this.regeneratepageletter()}else{pre_select.click()}}else{pre_select.click()}},nextpage:function(){var currentx_select=this.el.queryselector(".current-page");var next_select=currentx_select.nextelementsibling||currentx_select.nextsibling;var should_to_page=this.current_page+1;if(this.options.total>this.options.count){var can_to_page=this.times*(this.options.count-1);if(should_to_page>can_to_page){if(should_to_page===this.options.total){var arr=currentx_select.parentnode.childnodes;var ellipsis=false;for(var i=0;i<arr.length;i++){if(arr[i].getattribute("class")==="ellipsis"){ellipsis=true;break}}if(!ellipsis){next_select.click();return false}}this.regeneratepagebigger()}else{next_select.click()}}else{next_select.click()}},destroy:function(){this.el.innerhtml=""},disableprenext:function(){if(this.options.total&&this.options.count){var links=this.options.next_prev_links;if(links&&links.tolowercase()==="yes"){var prev=this.el.firstchild.queryselector(".prev-page");if(this.current_page===1){prev.style.csstext="cursor: not-allowed;color: #666666;color: #dcdcdc;background-color: #fafafa;";prev.setattribute("disabled",true)}else{prev.removeattribute("style");prev.removeattribute("disabled")}var next=this.el.firstchild.queryselector(".next-page");
if(this.current_page===this.options.total){next.style.csstext="cursor: not-allowed;color: #666666;color: #dcdcdc;background-color: #fafafa;";next.setattribute("disabled",true)}else{next.removeattribute("style");next.removeattribute("disabled")}}}},positioncenter:function(){var w=parseint(this.el.firstchild.offsetwidth);if(w){var margin="margin: 0 0 0 -"+math.floor(w/2)+"px;";this.el.firstchild.style.csstext=margin}},bindclickpage:function(){var that=this;var ul=this.el.firstchild.getelementsbytagname("ul")[0];var lis=ul.queryselectorall("li");for(var l=0;l<lis.length;l++){if(lis[l].getattribute("class")!=="ellipsis"){(function(l){that.addevent(lis[l],"click",function(e){var li_event=e.target?e.target:e.srcelement;var new_page=parseint(li_event.innerhtml);if(new_page!==that.current_page){if(new_page===that.options.total){var judgeellipsis=li_event.previouselementsibling||li_event.previoussibling;if(judgeellipsis.getattribute("class")==="ellipsis"){that.clickendpage();return false}}li_event.setattribute("class","current-page");var siblings=that.siblings(li_event);for(var k=0;k<siblings.length;k++){siblings[k].removeattribute("class")}that.current_page=new_page;that.options.changepage(that.current_page);that.disableprenext()}})})(l)}}},clickendpage:function(){var totals=this.options.total;var counts=this.options.count;var times=math.ceil(totals/(counts-1));var remainder=totals%(counts-1);var page_count=0;if(remainder===1){times-=1;page_count=counts}else{if(remainder===0){page_count=counts-1}else{page_count=remainder}}var ul=this.el.firstchild.getelementsbytagname("ul")[0];ul.innerhtml="";var page_li_html="";for(var j=totals-page_count,len2=totals;j<len2;j++){page_li_html+="<li>"+(j+1)+"</li>"}ul.innerhtml=page_li_html;this.positioncenter();this.bindclickpage();this.times=times;ul.childnodes[page_count-1].click()},searchinput:function(){var input=this.el.firstchild.queryselector("input");var input_val=input.value;if(input_val){input_val=parseint(input_val);if(input_val<0||input_val===0){input_val=1}else{if(input_val>this.options.total){input_val=this.options.total}}var total=this.options.total;var count=this.options.count;var ul=this.el.firstchild.getelementsbytagname("ul")[0];if(total>count){var all_times=math.ceil(total/(count-1));var remainder=total%(count-1);if(remainder===1){all_times-=1}if(total===input_val){this.clickendpage()}else{var c_times=this.times;var c_page=this.current_page;var t_times=math.ceil(input_val/(count-1));var t_remainder=input_val%(count-1);var t_page=input_val;if(t_remainder===0){t_remainder=count-1}var page_li_html="";if(t_times<all_times){if(t_times===c_times){ul.childnodes[t_remainder-1].click()}else{var start2=(t_times-1)*(count-1);var end2=t_times*(count-1);for(var i=start2+1,len1=end2+1;i<len1;i++){page_li_html+="<li>"+i+"</li>"}ul.innerhtml=page_li_html+'<li class="ellipsis">…</li><li>'+total+"</li>";this.positioncenter();this.bindclickpage();this.times=t_times;ul.childnodes[t_remainder-1].click()}}else{var start1=(t_times-1)*(count-1);for(var j=start1,len2=total;j<len2;j++){page_li_html+="<li>"+(j+1)+"</li>"}ul.innerhtml=page_li_html;this.positioncenter();this.bindclickpage();this.times=t_times;ul.childnodes[t_remainder-1].click()}}}else{if(this.current_page!==input_val){ul.childnodes[input_val-1].click()}}input.value=""}},addevent:function(elem,type,fn){if(elem.attachevent){elem.attachevent("on"+type,fn);return}if(elem.addeventlistener){elem.addeventlistener(type,fn,false)}},siblings:function(currentnode){var siblings=[];var elseli=currentnode.parentnode.children;for(var i=0,elselil=elseli.length;i<elselil;i++){if(elseli[i]!==currentnode&&elseli[i].getattribute("class")!=="ellipsis"){siblings.push(elseli[i])}}return siblings}};if(typeof module!=="undefined"&&module.exports){module.exports=custompagination}if(typeof define==="function"){define(function(){return custompagination})}global.custompagination=custompagination})(this);