Adding, Updating, and Deleting Rows
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Sources of Intellectual Property Included in the YUI Library
YUI is issued by Yahoo! under the BSD license above. Below is a list of certain publicly available software that is the source of intellectual property in YUI, along with the licensing terms that pertain to thosesources of IP. This list is for informational purposes only and is not intended to represent an exhaustive list of third party contributions to the YUI.
* Douglas Crockford's JSON parsing and stringifying methods: In the JSON Utility, Douglas Crockford's JSON parsing and stringifying methods are adapted from work published at JSON.org. The adapted work is in the public domain.
* Robert Penner's animation-easing algorithms: In the Animation Utility, YUI makes use of Robert Penner's algorithms for easing.
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* Diego Perini's IEContentLoaded technique: The Event Utility employs a technique developed by Diego Perini and licensed under GPL. YUI's use of this technique is included under our BSD license with the author's permission.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Adding, Updating, and Deleting Rows</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/paginator/assets/skins/sam/paginator.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/button/assets/skins/sam/button.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/datatable/assets/skins/sam/datatable.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/element/element-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/paginator/paginator-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/button/button-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/dragdrop/dragdrop-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/datasource/datasource-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/datatable/datatable-min.js"></script>
<!--begin custom header content for this example-->
<style type="text/css">
/* custom styles for this example */
.modform {margin-bottom: 1em;}
.index {width:5em;}
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Adding, Updating, and Deleting Rows</h1>
<div class="exampleIntro">
<p>Adding, updating, and deleting row data dynamically.</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<form class="modform">
<select id="mode">
<option value="add">Add</option>
<option value="update">Update</option>
<option value="deletestandard">Delete top-to-bottom</option>
<option value="deletereverse">Delete bottom-up</option>
</select>
<select id="count">
<option value=1>1</option>
<option value=5>5</option>
<option value=10>10</option>
<option value=25>25</option>
<option value=100>100</option>
</select>
row(s) at index
<input id="index" type="text" value="0" class="index">
<span id="go" class="yui-button yui-push-button">
<span class="first-child">
<button type="button">Go!</button>
</span>
</span>
</form>
<div id="container"></div>
<script type="text/javascript" src="yui_2.7.0b-assets/datatable-assets/js/data.js"></script>
<script type="text/javascript">
YAHOO.util.Event.addListener(window, "load", function() {
YAHOO.example.RowDataMod = function() {
var myColumnDefs = [
{key:"row", label:"row counter", resizeable:true,sortable:true},
{key:"one",resizeable:true},
{key:"two",resizeable:true},
{key:"three",resizeable:true}
];
var myDataSource = new YAHOO.util.DataSource([]);
myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSARRAY;
myDataSource.responseSchema = {
fields: ["one","two","three"]
};
var myDataTable = new YAHOO.widget.DataTable("container",
myColumnDefs, myDataSource, {});
var i=1,
bReverseSorted = false;
// Track when Column is reverse-sorted, since new data will come in out of order
var trackReverseSorts = function(oArg) {
bReverseSorted = (oArg.dir === YAHOO.widget.DataTable.CLASS_DESC);
};
var globalDataCount = -1,
getData = function(count) {
if(count) {
var allData = [];
for(var i=0; i<count; i++) {
globalDataCount++;
allData.push({row:globalDataCount, one:"one", two:"two", three:"three"});
}
return allData;
}
else {
globalDataCount++;
return {row:globalDataCount, one:"one", two:"two", three:"three"};
}
};
// Add/update/delete rows as indicated
var handleClick = function() {
// Reset sort
myDataTable.set("sortedBy", null);
var mode = YAHOO.util.Dom.get("mode").value,
count = parseInt(YAHOO.util.Dom.get("count").value),
index = parseInt(YAHOO.util.Dom.get("index").value);
if(YAHOO.lang.isNumber(index)) {
switch(mode) {
case "add":
if(count === 1) {
myDataTable.addRow(getData(), index);
}
else {
myDataTable.addRows(getData(count), index);
}
return;
case "update":
if(count === 1) {
myDataTable.updateRow(index, getData());
}
else {
myDataTable.updateRows(index, getData(count));
}
return;
case "deletestandard":
if(count === 1) {
myDataTable.deleteRow(index);
}
else {
myDataTable.deleteRows(index, count);
}
return;
case "deletereverse":
if(count === 1) {
myDataTable.deleteRow(index, -1);
}
else {
myDataTable.deleteRows(index, count*-1);
}
return;
default:
break;
}
}
YAHOO.log("Could not continue due to invalid index.");
}
var btn = new YAHOO.widget.Button("go");
btn.on("click", handleClick);
return {
ds: myDataSource,
dt: myDataTable
};
}();
});
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
<!-- presentbright.corp.yahoo.com uncompressed/chunked Thu Feb 19 10:53:12 PST 2009 -->
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