|
|
| Line 1: |
Line 1: |
| | /* Any JavaScript here will be loaded for all users on every page load. */ | | /* Any JavaScript here will be loaded for all users on every page load. */ |
| − |
| |
| − |
| |
| − | function Pager(tableName, itemsPerPage)
| |
| − | {
| |
| − | this.tableName = tableName;
| |
| − | this.itemsPerPage = itemsPerPage;
| |
| − | this.currentPage = 1;
| |
| − | this.pages = 0;
| |
| − | this.inited = false;
| |
| − | this.showRecords = function(from, to) {
| |
| − | var rows = document.getElementById(tableName).rows;
| |
| − | // i starts from 1 to skip table header row
| |
| − | for (var i = 1; i < rows.length; i++) {
| |
| − | if (i < from || i > to)
| |
| − | rows[i].style.display = 'none';
| |
| − | else
| |
| − | rows[i].style.display = '';
| |
| − | }
| |
| − | }
| |
| − | this.showPage = function(pageNumber) {
| |
| − | if (! this.inited) {
| |
| − | alert("not inited");
| |
| − | return;
| |
| − | }
| |
| − | var oldPageAnchor = document.getElementById('pg'+this.currentPage);
| |
| − | oldPageAnchor.className = 'pg-normal';
| |
| − | this.currentPage = pageNumber;
| |
| − | var newPageAnchor = document.getElementById('pg'+this.currentPage);
| |
| − | newPageAnchor.className = 'pg-selected';
| |
| − | var from = (pageNumber - 1) * itemsPerPage + 1;
| |
| − | var to = from + itemsPerPage - 1;
| |
| − | this.showRecords(from, to);
| |
| − | }
| |
| − | this.prev = function() {
| |
| − | if (this.currentPage > 1)
| |
| − | this.showPage(this.currentPage - 1);
| |
| − | }
| |
| − | this.next = function() {
| |
| − | if (this.currentPage < this.pages) {
| |
| − | this.showPage(this.currentPage + 1);
| |
| − | }
| |
| − | }
| |
| − | this.init = function() {
| |
| − | var rows = document.getElementById(tableName).rows;
| |
| − | var records = (rows.length - 1);
| |
| − | this.pages = Math.ceil(records / itemsPerPage);
| |
| − | this.inited = true;
| |
| − | }
| |
| − | this.showPageNav = function(pagerName, positionId) {
| |
| − | if (! this.inited) {
| |
| − | alert("not inited");
| |
| − | return;
| |
| − | }
| |
| − | var element = document.getElementById(positionId);
| |
| − | var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="pg-normal"> « Prev </span> ';
| |
| − | for (var page = 1; page <= this.pages; page++)
| |
| − | pagerHtml += '<span id="pg' + page + '" class="pg-normal" onclick="' + pagerName + '.showPage(' + page + ');">' + page + '</span> ';
| |
| − | pagerHtml += '<span onclick="'+pagerName+'.next();" class="pg-normal"> Next »</span>';
| |
| − | element.innerHTML = pagerHtml;
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /*
| |
| − | window.onload = function Testing()
| |
| − | {
| |
| − | var mytable = document.getElementById('pubtable');
| |
| − | mytable.style.border="4px solid green";
| |
| − |
| |
| − | var pager = new Pager('tablepaging', 5);
| |
| − | pager.init();
| |
| − | pager.showPageNav('pager', 'pageNavPosition');
| |
| − | pager.showPage(1);
| |
| − |
| |
| − | }
| |
| − | */
| |