forked from ScoDoc/ScoDoc
245 lines
7.4 KiB
JavaScript
245 lines
7.4 KiB
JavaScript
/* -*- mode: javascript -*-
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*/
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addEvent(window, "load", sortables_init);
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var SORT_COLUMN_INDEX;
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function sortables_init() {
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// Find all tables with class sortable and make them sortable
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if (!document.getElementsByTagName) return;
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var tbls = document.getElementsByTagName("table");
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for (var ti=0;ti<tbls.length;ti++) {
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var thisTbl = tbls[ti];
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if (((' '+thisTbl.className+' ').indexOf("sortable") != -1) && (thisTbl.id)) {
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//initTable(thisTbl.id);
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ts_makeSortable(thisTbl);
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}
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}
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}
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function ts_makeSortable(table) {
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if (table.rows && table.rows.length > 0) {
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var firstRow = table.rows[0];
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}
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if (!firstRow) return;
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// We have a first row: assume it's the header, and make its contents clickable links
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for (var i=0;i<firstRow.cells.length;i++) {
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var cell = firstRow.cells[i];
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var txt = ts_getInnerText(cell);
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cell.innerHTML = '<a href="#" class="sortheader" '+
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'onclick="ts_resortTable(this, '+i+');return false;">' +
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txt+'<span class="sortarrow"> </span></a>';
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}
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}
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function ts_getInnerText(el) {
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if (typeof el == "string") return el;
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if (typeof el == "undefined") { return el };
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if (el.innerText) return el.innerText; //Not needed but it is faster
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var str = "";
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var cs = el.childNodes;
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var l = cs.length;
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for (var i = 0; i < l; i++) {
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switch (cs[i].nodeType) {
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case 1: //ELEMENT_NODE
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str += ts_getInnerText(cs[i]);
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break;
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case 3: //TEXT_NODE
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str += cs[i].nodeValue;
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break;
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}
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}
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return str;
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}
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// Check ifan element contains a css class
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// Uses classList Introduced in Gecko 1.9.2 (FF 3.6) or regexp
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var containsClass = function (elm, className) {
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if (document.documentElement.classList) {
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containsClass = function (elm, className) {
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return elm.classList.contains(className);
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}
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} else {
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containsClass = function (elm, className) {
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if (!elm || !elm.className) {
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return false;
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}
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var re = new RegExp('(^|\\s)' + className + '(\\s|$)');
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return elm.className.match(re);
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}
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}
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return containsClass(elm, className);
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}
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function ts_resortTable(lnk,clid) {
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// get the span
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var span;
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for (var ci=0;ci<lnk.childNodes.length;ci++) {
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if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'span') span = lnk.childNodes[ci];
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}
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var spantext = ts_getInnerText(span);
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var td = lnk.parentNode;
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var column = clid || td.cellIndex;
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var table = getParent(td,'TABLE');
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// Work out a type for the column
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if (table.rows.length <= 1) return;
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isNumeric = false;
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if (containsClass(table.rows[0].cells[column], 'sortnumeric')) {
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isNumeric = true;
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}
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var itm = ts_getInnerText(table.rows[1].cells[column]);
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sortfn = ts_sort_caseinsensitive;
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if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d\d\d$/)) sortfn = ts_sort_date;
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if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d$/)) sortfn = ts_sort_date;
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if (itm.match(/^[<5B>$]/)) sortfn = ts_sort_currency;
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if (itm.match(/^[\d\.]+$/) || isNumeric) sortfn = ts_sort_numeric;
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SORT_COLUMN_INDEX = column;
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var firstRow = new Array();
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var newRows = new Array();
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var botRows = new Array();
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var topRows = new Array();
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var ir = 0;
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var ib = 0;
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var it = 0;
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for (i=0;i<table.rows[0].length;i++) { firstRow[i] = table.rows[0][i]; }
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for (j=1;j<table.rows.length;j++) {
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if (!table.rows[j].className) {
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newRows[ir] = table.rows[j];
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ir += 1;
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} else {
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if (table.rows[j].className.indexOf('sortbottom') != -1) {
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botRows[ib] = table.rows[j];
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ib += 1;
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} else {
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if (table.rows[j].className.indexOf('sorttop') != -1) {
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topRows[it] = table.rows[j];
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it += 1;
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} else {
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newRows[ir] = table.rows[j];
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ir += 1;
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}
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}
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}
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}
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newRows.sort(sortfn);
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if (span.getAttribute("sortdir") == 'down') {
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ARROW = ' ↑';
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newRows.reverse();
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span.setAttribute('sortdir','up');
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} else {
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ARROW = ' ↓';
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span.setAttribute('sortdir','down');
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}
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// We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
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// place sorttop rows at first:
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for (i=0; i < topRows.length; i++) {
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table.tBodies[0].appendChild(topRows[i]);
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}
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// standard (sorted) rows:
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for (i=0; i < newRows.length;i++) {
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table.tBodies[0].appendChild(newRows[i]);
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}
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// do sortbottom rows only
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for (i=0; i < botRows.length;i++) {
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table.tBodies[0].appendChild(botRows[i]);
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}
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// Delete any other arrows there may be showing
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var allspans = document.getElementsByTagName("span");
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for (var ci=0;ci<allspans.length;ci++) {
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if (allspans[ci].className == 'sortarrow') {
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if (getParent(allspans[ci],"table") == getParent(lnk,"table")) { // in the same table as us?
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allspans[ci].innerHTML = ' ';
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}
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}
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}
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span.innerHTML = ARROW;
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}
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function getParent(el, pTagName) {
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if (el == null) return null;
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else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase()) // Gecko bug, supposed to be uppercase
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return el;
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else
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return getParent(el.parentNode, pTagName);
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}
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function ts_sort_date(a,b) {
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// y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
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aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
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bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
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if (aa.length == 10) {
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dt1 = aa.substr(6,4)+aa.substr(3,2)+aa.substr(0,2);
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} else {
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yr = aa.substr(6,2);
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if (parseInt(yr) < 50) { yr = '20'+yr; } else { yr = '19'+yr; }
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dt1 = yr+aa.substr(3,2)+aa.substr(0,2);
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}
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if (bb.length == 10) {
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dt2 = bb.substr(6,4)+bb.substr(3,2)+bb.substr(0,2);
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} else {
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yr = bb.substr(6,2);
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if (parseInt(yr) < 50) { yr = '20'+yr; } else { yr = '19'+yr; }
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dt2 = yr+bb.substr(3,2)+bb.substr(0,2);
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}
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if (dt1==dt2) return 0;
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if (dt1<dt2) return -1;
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return 1;
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}
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function ts_sort_currency(a,b) {
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aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
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bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
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return parseFloat(aa) - parseFloat(bb);
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}
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function ts_sort_numeric(a,b) {
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aa = parseFloat(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]));
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if (isNaN(aa)) aa = 0;
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bb = parseFloat(ts_getInnerText(b.cells[SORT_COLUMN_INDEX]));
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if (isNaN(bb)) bb = 0;
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return aa-bb;
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}
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function ts_sort_caseinsensitive(a,b) {
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aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).toLowerCase();
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bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).toLowerCase();
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if (aa==bb) return 0;
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if (aa<bb) return -1;
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return 1;
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}
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function ts_sort_default(a,b) {
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aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
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bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
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if (aa==bb) return 0;
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if (aa<bb) return -1;
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return 1;
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}
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function addEvent(elm, evType, fn, useCapture)
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// addEvent and removeEvent
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// cross-browser event handling for IE5+, NS6 and Mozilla
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// By Scott Andrew
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{
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if (elm.addEventListener){
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elm.addEventListener(evType, fn, useCapture);
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return true;
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} else if (elm.attachEvent){
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var r = elm.attachEvent("on"+evType, fn);
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return r;
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} else {
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alert("Handler could not be removed");
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}
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}
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