JSP点击表头排序

table.html
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="tablesortT.js"></script>
<link type="text/css" rel="StyleSheet" href="tablesort.css" />
<head>
<title>点击表头排序</title>

tablesort.css
tr{background: window;}
td{color: windowtext; font: menu; padding: 1px; padding-left: 5px; padding-right: 5px;
border-right: 1px solid buttonshadow;
border-bottom: 1px solid buttonshadow;
}

table {border-top: 1px solid buttonshadow;
    border-left: 1px solid buttonshadow;
    border-right: 1px solid buttonhighlight;
    border-bottom: 1px solid buttonhighlight;
     }
thead td {background: buttonface; font: menu; border: 1px outset white;
      padding-top: 0; padding: bottom: 0;
    border-top: 1px solid buttonhighlight;
    border-left: 1px solid buttonhighlight;
    border-right: 1px solid buttonshadow;
    border-bottom: 1px solid buttonshadow;
    height: 16px;
    }
thead .arrow{font-family: webdings; color: black; padding: 0; font-size: 10px;
   height: 11px; width: 10px; overflow: hidden;
   margin-bottom: 5; margin-top: -3; padding: 0; padding-top: 0; padding-bottom: 2;}
   /*nice vertical positioning :-) */

tablesortT.js

var dom = (document.getElementsByTagName) ? true : false;
var ie5 = (document.getElementsByTagName && document.all) ? true : false;
var arrowUp, arrowDown;

if (ie5 || dom)
initSortTable();

function initSortTable() {
arrowUp = document.createElement("SPAN");
var tn = document.createTextNode("5");
arrowUp.appendChild(tn);
arrowUp.className = "arrow";

arrowDown = document.createElement("SPAN");
var tn = document.createTextNode("6");
arrowDown.appendChild(tn);
arrowDown.className = "arrow";
}

function sortTable(tableNode, nCol, bDesc, sType) {
var tBody = tableNode.tBodies[0];
var trs = tBody.rows;
var trl= trs.length;
var a = new Array();

for (var i = 0; i < trl; i++) {
a[i] = trs[i];
}

var start = new Date;
window.status = "Sorting data...";
a.sort(compareByColumn(nCol,bDesc,sType));
window.status = "Sorting data done";

for (var i = 0; i < trl; i++) {
tBody.appendChild(a[i]);
window.status = "Updating row " + (i + 1) + " of " + trl +
" (Time spent: " + (new Date - start) + "ms)";
}

// check for onsort
if (typeof tableNode.onsort == "string")
tableNode.onsort = new Function("", tableNode.onsort);
if (typeof tableNode.onsort == "function")
tableNode.onsort();
}

function CaseInsensitiveString(s) {
return String(s).toUpperCase();
}

function parseDate(s) {
return Date.parse(s.replace(/\-/g, ‘/‘));
}

function toNumber(s) {
return Number(s.replace(/[^0-9\.]/g, ""));
}

function compareByColumn(nCol, bDescending, sType) {
var c = nCol;
var d = bDescending;

var fTypeCast = String;

return function (n1, n2) {
if (fTypeCast(getInnerText(n1.cells[c])) < fTypeCast(getInnerText(n2.cells[c])))
return d ? -1 : +1;
if (fTypeCast(getInnerText(n1.cells[c])) > fTypeCast(getInnerText(n2.cells[c])))
return d ? +1 : -1;
return 0;
};
}

function sortColumnWithHold(e) {
// find table element
var el = ie5 ? e.srcElement : e.target;
var table = getParent(el, "TABLE");

// backup old cursor and onclick
var oldCursor = table.style.cursor;
var oldClick = table.onclick;

// change cursor and onclick
table.style.cursor = "wait";
table.onclick = null;

// the event object is destroyed after this thread but we only need
// the srcElement and/or the target
var fakeEvent = {srcElement : e.srcElement, target : e.target};

// call sortColumn in a new thread to allow the ui thread to be updated
// with the cursor/onclick
window.setTimeout(function () {
sortColumn(fakeEvent);
// once done resore cursor and onclick
table.style.cursor = oldCursor;
table.onclick = oldClick;
}, 100);
}

function sortColumn(e) {
var tmp = e.target ? e.target : e.srcElement;
var tHeadParent = getParent(tmp, "THEAD");
var el = getParent(tmp, "TD");

if (tHeadParent == null)
return;

if (el != null) {
var p = el.parentNode;
var i;

// typecast to Boolean
el._descending = !Boolean(el._descending);

if (tHeadParent.arrow != null) {
   if (tHeadParent.arrow.parentNode != el) {
    tHeadParent.arrow.parentNode._descending = null; //reset sort order
   }
   tHeadParent.arrow.parentNode.removeChild(tHeadParent.arrow);
}

if (el._descending)
tHeadParent.arrow = arrowUp.cloneNode(true);
else
tHeadParent.arrow = arrowDown.cloneNode(true);

el.appendChild(tHeadParent.arrow);

// get the index of the td
var cells = p.cells;
var l = cells.length;
for (i = 0; i < l; i++) {
if (cells[i] == el) break;
}

var table = getParent(el, "TABLE");
// can‘t fail

sortTable(table,i,el._descending, el.getAttribute("type"));
}
}

function getInnerText(el) {
if (ie5) return el.innerText; //Not needed but it is faster

var str = "";

var cs = el.childNodes;
var l = cs.length;
for (var i = 0; i < l; i++) {
switch (cs[i].nodeType) {
   case 1: //ELEMENT_NODE
    str += getInnerText(cs[i]);
    break;
   case 3: //TEXT_NODE
    str += cs[i].nodeValue;
    break;
}

}

return str;
}

function getParent(el, pTagName) {
if (el == null) return null;
else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase()) // Gecko bug, supposed to be uppercase
return el;
else
return getParent(el.parentNode, pTagName);
}

时间： 2024-11-03 22:13:08

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