63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
class Pagination{
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constructor(pcore, template, destination, limit, callback){
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this.limit = limit;
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this.offset = 0;
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this.page = 1;
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this.total_count = 0;
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this.pcore = pcore;
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this.template = template;
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this.dest = destination;
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this.callback = callback;
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}
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set_limit(limit){
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this.limit = limit;
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}
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render(total_count, offset){
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this.total_count = total_count;
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this.offset = offset;
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let data = {};
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data.pcore = this.pcore;
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data.pages = [];
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for(let i=1;i<=this.total_page_count();i++){
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let page = {};
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page.num = i;
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page.disabled = this.current_page() === i;
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data.pages.push(page);
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}
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data.next_disabled = !(this.current_page()<this.total_page_count());
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data.back_disabled = !(this.current_page()>1);
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$(this.dest).html(this.template(data));
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let ob = this;
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$(".pagination_"+this.pcore+"_nav_back").off("click").on("click", function(){
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if(!$(this).hasClass("disabled")){
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ob.offset = ob.offset-ob.limit;
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ob.callback(ob.offset);
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}
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});
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$(".pagination_"+this.pcore+"_nav_next").off("click").on("click", function(){
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if(!$(this).hasClass("disabled")){
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ob.offset = ob.offset+ob.limit;
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ob.callback(ob.offset);
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}
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});
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$(".pagination_"+this.pcore+"_nav_numbers").off("click").on("click", function(){
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if(!$(this).hasClass("disabled")){
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let num = $(this).data("pagenum");
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ob.offset = (num-1)*ob.limit;
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ob.callback(ob.offset);
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}
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})
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}
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total_page_count(){
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return Math.ceil(this.total_count/this.limit)
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}
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current_page(){
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return Math.floor(this.offset/this.limit)+1
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}
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} |