YUI Library Examples: DataTable Control: Adding, Updating, and Deleting Rows

Sample Code for this Example

CSS:

Markup:

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
        };
    }();
});

Configuration for This Example

You can load the necessary JavaScript and CSS for this example from Yahoo's servers. Click here to load the YUI Dependency Configurator with all of this example's dependencies preconfigured.

YUI Library Examples: DataTable Control: Adding, Updating, and Deleting Rows

Sample Code for this Example

Configuration for This Example

YUI Logger Output:

DataTable Control Examples:

More DataTable Control Resources: