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

DataTable Control: Adding, Updating, and Deleting Rows

Adding, updating, and deleting row data dynamically.

row counter	one	two	three
No records found.

Sample Code for this Example

CSS:


1	/* custom styles for this example */
2	.modform {margin-bottom: 1em;}
3	.index {width:5em;}
	view plain \| print \| ?

Markup:


1	<form class="modform">
2	<select id="mode">
3	<option value="add">Add</option>
4	<option value="update">Update</option>
5	<option value="deletestandard">Delete top-to-bottom</option>
6	<option value="deletereverse">Delete bottom-up</option>
7	</select>
8
9	<select id="count">
10	<option value=1>1</option>
11	<option value=5>5</option>
12	<option value=10>10</option>
13	<option value=25>25</option>
14	<option value=100>100</option>
15	</select>
16
17	row(s) at index
18
19	<input id="index" type="text" value="0" class="index">
20
21	<span id="go" class="yui-button yui-push-button">
22	<span class="first-child">
23	<button type="button">Go!</button>
24	</span>
25	</span>
26	</form>
27
28	<div id="container"></div>
	view plain \| print \| ?

JavaScript:


1	YAHOO.util.Event.addListener(window, "load", function() {
2	YAHOO.example.RowDataMod = function() {
3	var myColumnDefs = [
4	{key:"row", label:"row counter", resizeable:true,sortable:true},
5	{key:"one",resizeable:true},
6	{key:"two",resizeable:true},
7	{key:"three",resizeable:true}
8	];
9
10	var myDataSource = new YAHOO.util.DataSource([]);
11	myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSARRAY;
12	myDataSource.responseSchema = {
13	fields: ["one","two","three"]
14	};
15
16	var myDataTable = new YAHOO.widget.DataTable("container",
17	myColumnDefs, myDataSource, {});
18
19	var i=1,
20	bReverseSorted = false;
21
22	// Track when Column is reverse-sorted, since new data will come in out of order
23	var trackReverseSorts = function(oArg) {
24	bReverseSorted = (oArg.dir === YAHOO.widget.DataTable.CLASS_DESC);
25	};
26
27	var globalDataCount = -1,
28	getData = function(count) {
29	if(count) {
30	var allData = [];
31	for(var i=0; i<count; i++) {
32	globalDataCount++;
33	allData.push({row:globalDataCount, one:"one", two:"two", three:"three"});
34	}
35	return allData;
36	}
37	else {
38	globalDataCount++;
39	return {row:globalDataCount, one:"one", two:"two", three:"three"};
40	}
41	};
42
43	// Add/update/delete rows as indicated
44	var handleClick = function() {
45	// Reset sort
46	myDataTable.set("sortedBy", null);
47
48	var mode = YAHOO.util.Dom.get("mode").value,
49	count = parseInt(YAHOO.util.Dom.get("count").value),
50	index = parseInt(YAHOO.util.Dom.get("index").value);
51
52	if(YAHOO.lang.isNumber(index)) {
53	switch(mode) {
54	case "add":
55	if(count === 1) {
56	myDataTable.addRow(getData(), index);
57	}
58	else {
59	myDataTable.addRows(getData(count), index);
60	}
61	return;
62	case "update":
63	if(count === 1) {
64	myDataTable.updateRow(index, getData());
65	}
66	else {
67	myDataTable.updateRows(index, getData(count));
68	}
69	return;
70	case "deletestandard":
71	if(count === 1) {
72	myDataTable.deleteRow(index);
73	}
74	else {
75	myDataTable.deleteRows(index, count);
76	}
77	return;
78	case "deletereverse":
79	if(count === 1) {
80	myDataTable.deleteRow(index, -1);
81	}
82	else {
83	myDataTable.deleteRows(index, count*-1);
84	}
85	return;
86	default:
87	break;
88	}
89
90	}
91	YAHOO.log("Could not continue due to invalid index.");
92	}
93
94	var btn = new YAHOO.widget.Button("go");
95	btn.on("click", handleClick);
96
97	return {
98	ds: myDataSource,
99	dt: myDataTable
100	};
101	}();
102	});
	view plain \| print \| ?

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: