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| | /* 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. */ |
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| − | function Pager(tableName, itemsPerPage) {
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| − | this.tableName = tableName;
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| − | this.itemsPerPage = itemsPerPage;
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| − | this.currentPage = 1;
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| − | this.pages = 0;
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| − | this.inited = false;
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| − | this.showRecords = function(from, to) {
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| − | var rows = document.getElementById(tableName).rows;
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| − | for (var i = 1; i < rows.length; i++) {
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| − | if (i < from || i > to)
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| − | rows[i].style.display = 'none';
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| − | else
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| − | rows[i].style.display = '';
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| − | }
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| − | }
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| − | this.showPage = function(pageNumber) {
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| − | if (! this.inited) {
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| − | alert("not inited");
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| − | return;
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| − | }
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| − | var oldPageAnchor = document.getElementById('pg'+this.currentPage);
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| − | oldPageAnchor.className = 'pg-normal';
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| − | this.currentPage = pageNumber;
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| − | var newPageAnchor = document.getElementById('pg'+this.currentPage);
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| − | newPageAnchor.className = 'pg-selected';
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| − | var from = (pageNumber - 1) * itemsPerPage + 1;
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| − | var to = from + itemsPerPage - 1;
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| − | this.showRecords(from, to);
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| − | }
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| − | this.prev = function() {
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| − | if (this.currentPage > 1)
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| − | this.showPage(this.currentPage - 1);
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| − | }
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| − | this.next = function() {
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| − | if (this.currentPage < this.pages) {
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| − | this.showPage(this.currentPage + 1);
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| − | }
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| − | }
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| − | this.init = function() {
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| − | var rows = document.getElementById(tableName).rows;
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| − | var records = (rows.length - 1);
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| − | this.pages = Math.ceil(records / itemsPerPage);
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| − | this.inited = true;
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| − | }
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| − | this.showPageNav = function(pagerName, positionId) {
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| − | if (! this.inited) {
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| − | alert("not inited");
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| − | return;
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| − | }
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| − | var element = document.getElementById(positionId);
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| − | var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="pg-normal"> « Prev </span> ';
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| − | for (var page = 1; page <= this.pages; page++)
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| − | pagerHtml += '<span id="pg' + page + '" class="pg-normal" onclick="' + pagerName + '.showPage(' + page + ');">' + page + '</span> ';
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| − | pagerHtml += '<span onclick="'+pagerName+'.next();" class="pg-normal"> Next »</span>';
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| − | element.innerHTML = pagerHtml;
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| − | }
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| − | }
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| − | var pager = new Pager('tablepaging', 5);
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| − | pager.init();
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| − | pager.showPageNav('pager', 'pageNavPosition');
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| − | pager.showPage(1);
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