Custom Cell Formatting
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* 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.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<style type="text/css">
.yui-skin-sam .yui-dt tbody td.up {
background-color: #efe;
}
.yui-skin-sam .yui-dt tbody td.down {
background-color: #fee;
}
</style>
</head>
<body class="yui-skin-sam">
<h1>Custom Cell Formatting</h1>
<div id="formatting"></div>
<script type="text/javascript" src="yui_2.7.0b-lib/yuiloader/yuiloader.js"></script>
<script type="text/javascript" src="yui_2.7.0b-assets/datatable-assets/js/data.js"></script>
<script type="text/javascript">
var loader = new YAHOO.util.YUILoader();
loader.insert({
require: ["fonts", "datatable", "json"],
filter: 'debug',
base: 'yui_2.7.0b-lib/',
onSuccess: function() {
YAHOO.example.CustomFormatting = function() {
// Define a custom formatter for the Column labeled "flag"
// draws an up icon and adds class "up" to the cell liner to affect
// a green background color if value of field3 is greater than 100.
// Otherwise renders a down icon and assigns class "down", setting
// the background color to red.
var myCustomFormatter = function(elCell, oRecord, oColumn, oData) {
if(oRecord.getData("field3") > 100) {
YAHOO.util.Dom.replaceClass(elCell.parentNode, "down", "up");
elCell.innerHTML = ' <img src="yui_2.7.0b-lib/datatable/assets/skins/sam/dt-arrow-up.png">';
}
else {
YAHOO.util.Dom.replaceClass(elCell.parentNode, "up","down");
elCell.innerHTML = ' <img src="yui_2.7.0b-lib/datatable/assets/skins/sam/dt-arrow-dn.png">';
}
};
// Add the custom formatter to the shortcuts
YAHOO.widget.DataTable.Formatter.myCustom = myCustomFormatter;
// Override the built-in formatter
YAHOO.widget.DataTable.formatEmail = function(elCell, oRecord, oColumn, oData) {
var user = oData;
elCell.innerHTML = "<a href=\"mailto:" + user + "@mycompany.com\">" + user + "</a>";
};
var myColumnDefs = [
{key:"flag", formatter:"myCustom"}, // use custom shortcut
{key:"radio", formatter:"radio"}, // use the built-in radio formatter
{key:"check", formatter:"checkbox"}, // use the built-in checkbox formatter (shortcut)
{key:"button", label:"Show record data", formatter:YAHOO.widget.DataTable.formatButton}, // use the built-in button formatter
{key:"field1", formatter:"dropdown", dropdownOptions:["apples","bananas","cherries"],sortable:true},
{key:"field2", sortable:true, formatter:"date"}, // use the built-in date formatter
{key:"field3", sortable:true, formatter:"number"},
{key:"field4", sortable:true, formatter:"currency"}, // use the built-in currency formatter
{key:"field5", sortable:true, formatter:YAHOO.widget.DataTable.formatEmail}, // use the overridden email formatter
{key:"field6", sortable:true, formatter:YAHOO.widget.DataTable.formatLink} // use the built-in link formatter
];
var myDataSource = new YAHOO.util.DataSource(YAHOO.example.Data.multitypes);
myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSON;
myDataSource.responseSchema = {
resultsList: "items",
// Use the parse methods to populate the RecordSet with the right data types
fields: [
{key:"field1", parser:"string"}, // point to the string parser
{key:"field2", parser:"date"}, // point to the date parser
{key:"field3", parser:"number"}, // point to the number parser
{key:"field4", parser:"number"}, // point to the number parser
{key:"field5"}, // this is already string data so no parser needed
{key:"field6"} // this is already string data so no parser needed
]
};
var myDataTable = new YAHOO.widget.DataTable("formatting", myColumnDefs, myDataSource);
var lastSelectedRadioRecord = null;
myDataTable.subscribe("radioClickEvent", function(oArgs){
if(lastSelectedRadioRecord) {
lastSelectedRadioRecord.setData("radio",false);
}
var elRadio = oArgs.target;
var oRecord = this.getRecord(elRadio);
oRecord.setData("radio",true);
lastSelectedRadioRecord = oRecord;
var name = oRecord.getData("field5");
});
myDataTable.subscribe("checkboxClickEvent", function(oArgs){
var elCheckbox = oArgs.target;
var oRecord = this.getRecord(elCheckbox);
oRecord.setData("check",elCheckbox.checked);
});
myDataTable.subscribe("buttonClickEvent", function(oArgs){
var oRecord = this.getRecord(oArgs.target);
alert(YAHOO.lang.dump(oRecord.getData()));
});
myDataTable.subscribe("dropdownChangeEvent", function(oArgs){
var elDropdown = oArgs.target;
var oRecord = this.getRecord(elDropdown);
oRecord.setData("field1",elDropdown.options[elDropdown.selectedIndex].value);
});
return {
oDS: myDataSource,
oDT: myDataTable
};
}();
}
});
</script>
</body>
</html>
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