External sort model?
I'd like to define a custom sort function for certain columns. Is that possible? Is that what the external sort model is for?
Kevin
August 25,
<html>
<head>
<title></title>
<style>body {font: 12px Tahoma}</style>
<script src="../../runtime/lib/aw.js"></script>
<link href="../../runtime/styles/xp/aw.css" rel="stylesheet"></link>
<style>
#myGrid .aw-column-0 {width: 100px;}
#myGrid .aw-column-1 {width: 150px}
</style>
</head>
<body>
<span id="myGrid"></span>
<script>
var myData = [
["1", "1", "zd"],
["12", "12", "yyy"],
["23", "23", "ggggg"],
["100", "100", "555t"]
];
// custom sort to compare string lengths
StringLengthSort = AW.Formats.String.subclass();
StringLengthSort.create = function() {
var obj = this.prototype;
obj.comparator = function(values, greater, less, equal, error){
return function(i, j){
var v1 = values[i];
if (v1 == null) {
v1 = "";
}
var v2 = values[j];
if (v2 == null) {
v2 = "";
}
if (v1.length > v2.length) {
return greater * -1;
}
else if (v1.length < v2.length) {
return greater * 1;
}
return 0;
}
};
}
var myHeaders = ["string", "number", "string length"];
var grid = new AW.UI.Grid;
grid.setId("myGrid");
grid.setHeaderText(myHeaders);
grid.setCellData(myData);
grid.setCellFormat(new AW.Formats.Number, 1);
grid.setCellFormat(new StringLengthSort, 2);
grid.setColumnCount(3);
grid.setRowCount(4);
grid.refresh();
</script>
</body>
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