YUI Library Examples: DataTable Control: Showing, Hiding, and Reordering Columns.

Sample Code for this Example

Data:

YAHOO.example.Data.addresses = [
    {name:"John A. Smith", address:"1236 Some Street", city:"San Francisco", state:"CA", amount:5, active:"yes", colors:["red"], last_login:"4/19/2007"},
    {name:"Joan B. Jones", address:"3271 Another Ave", city:"New York", state:"NY", amount:3, active:"no", colors:["red","blue"], last_login:"2/15/2006"},
    {name:"Bob C. Uncle", address:"9996 Random Road", city:"Los Angeles", state:"CA", amount:0, active:"maybe", colors:["green"], last_login:"1/23/2004"},
    {name:"John D. Smith", address:"1623 Some Street", city:"San Francisco", state:"CA", amount:5, active:"yes", colors:["red"], last_login:"4/19/2007"},
    {name:"Joan E. Jones", address:"3217 Another Ave", city:"New York", state:"NY", amount:3, active:"no", colors:["red","blue"], last_login:"2/15/2006"},
    {name:"Bob F. Uncle", address:"9899 Random Road", city:"Los Angeles", state:"CA", amount:0, active:"maybe", colors:["green"], last_login:"1/23/2004"},
    {name:"John G. Smith", address:"1723 Some Street", city:"San Francisco", state:"CA", amount:5, active:"yes", colors:["red"], last_login:"4/19/2007"},
    {name:"Joan H. Jones", address:"3241 Another Ave", city:"New York", state:"NY", amount:3, active:"no", colors:["red","blue"], last_login:"2/15/2006"},
    {name:"Bob I. Uncle", address:"9909 Random Road", city:"Los Angeles", state:"CA", amount:0, active:"maybe", colors:["green"], last_login:"1/23/2004"},
    {name:"John J. Smith", address:"1623 Some Street", city:"San Francisco", state:"CA", amount:5, active:"yes", colors:["red"], last_login:"4/19/2007"},
    {name:"Joan K. Jones", address:"3721 Another Ave", city:"New York", state:"NY", amount:3, active:"no", colors:["red","blue"], last_login:"2/15/2006"},
    {name:"Bob L. Uncle", address:"9989 Random Road", city:"Los Angeles", state:"CA", amount:0, active:"maybe", colors:["green"], last_login:"1/23/2004"},
    {name:"John M. Smith", address:"1293 Some Street", city:"San Francisco", state:"CA", amount:5, active:"yes", colors:["red"], last_login:"4/19/2007"},
    {name:"Joan N. Jones", address:"3621 Another Ave", city:"New York", state:"NY", amount:3, active:"no", colors:["red","blue"], last_login:"2/15/2006"},
    {name:"Bob O. Uncle", address:"9959 Random Road", city:"Los Angeles", state:"CA", amount:0, active:"maybe", colors:["green"], last_login:"1/23/2004"},
    {name:"John P. Smith", address:"6123 Some Street", city:"San Francisco", state:"CA", amount:5, active:"yes", colors:["red"], last_login:"4/19/2007"},
    {name:"Joan Q. Jones", address:"3281 Another Ave", city:"New York", state:"NY", amount:3, active:"no", colors:["red","blue"], last_login:"2/15/2006"},
    {name:"Bob R. Uncle", address:"9989 Random Road", city:"Los Angeles", state:"CA", amount:0, active:"maybe", colors:["green"], last_login:"1/23/2004"}
];

CSS:

/* custom styles for this example */
#dt-example {width:45em;margin:0 auto;}
#dt-options {text-align:right;margin:1em 0;}
#dt-dlg {visibility:hidden;border:1px solid #808080;background-color:#E3E3E3;}
#dt-dlg .hd {font-weight:bold;padding:1em;background:none;background-color:#E3E3E3;border-bottom:0;}
#dt-dlg .ft {text-align:right;padding:.5em;background-color:#E3E3E3;}
#dt-dlg .bd {height:10em;margin:0 1em;overflow:auto;border:1px solid black;background-color:white;}
#dt-dlg .dt-dlg-pickercol {clear:both;padding:.5em 1em 3em;border-bottom:1px solid gray;}
#dt-dlg .dt-dlg-pickerkey {float:left;}
#dt-dlg .dt-dlg-pickerbtns {float:right;}

/* Container workarounds for Mac Gecko scrollbar issues */
.yui-panel-container.hide-scrollbars #dt-dlg .bd {
    /* Hide scrollbars by default for Gecko on OS X */
    overflow: hidden;
}
.yui-panel-container.show-scrollbars #dt-dlg .bd {
    /* Show scrollbars for Gecko on OS X when the Panel is visible  */
    overflow: auto;
}
#dt-dlg_c .underlay {overflow:hidden;}

/* rounded corners */
#dt-dlg .corner_tr {
    background-image: url( assets/img/tr.gif);
    position: absolute;
    background-repeat: no-repeat;
    top: -1px;
    right: -1px;
    height: 4px;
    width: 4px;
}
#dt-dlg .corner_tl {
    background-image: url( assets/img/tl.gif);
    background-repeat: no-repeat;
    position: absolute;
    top: -1px;
    left: -1px;
    height: 4px;
    width: 4px;
}
#dt-dlg .corner_br {
    background-image: url( assets/img/br.gif);
    position: absolute;
    background-repeat: no-repeat;
    bottom: -1px;
    right: -1px;
    height: 4px;
    width: 4px;
}
#dt-dlg .corner_bl {
    background-image: url( assets/img/bl.gif);
    background-repeat: no-repeat;
    position: absolute;
    bottom: -1px;
    left: -1px;
    height: 4px;
    width: 4px;
}

.inprogress {position:absolute;} /* transitional progressive enhancement state */

Markup:

JavaScript:

YAHOO.util.Event.addListener(window, "load", function() {
    YAHOO.example.ColumnShowHide = function() {
        // Define Columns
        var myColumnDefs = [
            {key:"address"},
            {key:"city"},
            {key:"state"},
            {key:"amount"},
            {key:"active"},
            {key:"colors"},
            {key:"last_login", formatter:YAHOO.widget.DataTable.formatDate}
        ];

// Create DataSource
        var myDataSource = new YAHOO.util.DataSource(YAHOO.example.Data.addresses);
        myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSARRAY;
        myDataSource.responseSchema = {
            fields: ["address","city","state","amount","active","colors",{key:"last_login",parser:"date"}]
        };

// Create DataTable
        var myDataTable = new YAHOO.widget.DataTable("columnshowhide", myColumnDefs, myDataSource, {draggableColumns:true});
                    
        // Shows dialog, creating one when necessary
        var newCols = true;
        var showDlg = function(e) {
            YAHOO.util.Event.stopEvent(e);

if(newCols) {
                // Populate Dialog
                // Using a template to create elements for the SimpleDialog
                var allColumns = myDataTable.getColumnSet().keys;
                var elPicker = YAHOO.util.Dom.get("dt-dlg-picker");
                var elTemplateCol = document.createElement("div");
                YAHOO.util.Dom.addClass(elTemplateCol, "dt-dlg-pickercol");
                var elTemplateKey = elTemplateCol.appendChild(document.createElement("span"));
                YAHOO.util.Dom.addClass(elTemplateKey, "dt-dlg-pickerkey");
                var elTemplateBtns = elTemplateCol.appendChild(document.createElement("span"));
                YAHOO.util.Dom.addClass(elTemplateBtns, "dt-dlg-pickerbtns");
                var onclickObj = {fn:handleButtonClick, obj:this, scope:false };
                
                // Create one section in the SimpleDialog for each Column
                var elColumn, elKey, oButtonGrp;
                for(var i=0,l=allColumns.length;i<l;i++) {
                    var oColumn = allColumns[i];
                    
                    // Use the template
                    elColumn = elTemplateCol.cloneNode(true);
                    
                    // Write the Column key
                    elKey = elColumn.firstChild;
                    elKey.innerHTML = oColumn.getKey();
                    
                    // Create a ButtonGroup
                    oButtonGrp = new YAHOO.widget.ButtonGroup({ 
                                    id: "buttongrp"+i, 
                                    name: oColumn.getKey(), 
                                    container: elKey.nextSibling
                    });
                    oButtonGrp.addButtons([
                        { label: "Show", value: "Show", checked: ((!oColumn.hidden)), onclick: onclickObj},
                        { label: "Hide", value: "Hide", checked: ((oColumn.hidden)), onclick: onclickObj}
                    ]);
                                    
                    elPicker.appendChild(elColumn);
                }
                newCols = false;
        	}
            myDlg.show();
        };
        var hideDlg = function(e) {
            this.hide();
        };
        var handleButtonClick = function(e, oSelf) {
            var sKey = this.get("name");
            if(this.get("value") === "Hide") {
                // Hides a Column
                myDataTable.hideColumn(sKey);
            }
            else {
                // Shows a Column
                myDataTable.showColumn(sKey);
            }
        };
        
        // Create the SimpleDialog
        YAHOO.util.Dom.removeClass("dt-dlg", "inprogress");
        var myDlg = new YAHOO.widget.SimpleDialog("dt-dlg", {
                width: "30em",
			    visible: false,
			    modal: true,
			    buttons: [ 
					{ text:"Close",  handler:hideDlg }
                ],
                fixedcenter: true,
                constrainToViewport: true
		});
		myDlg.render();

// Nulls out myDlg to force a new one to be created
        myDataTable.subscribe("columnReorderEvent", function(){
            newCols = true;
            YAHOO.util.Event.purgeElement("dt-dlg-picker", true);
            YAHOO.util.Dom.get("dt-dlg-picker").innerHTML = "";
        }, this, true);
		
		// Hook up the SimpleDialog to the link
		YAHOO.util.Event.addListener("dt-options-link", "click", showDlg, this, true);
		
		return {
		  oDS: myDataSource,
		  oDT: myDataTable
		};
    }();
});

DataTable Control Examples:

More DataTable Control Resources:

All YUI 2.x users should review the YUI 2.8.2 security bulletin, which discusses a vulnerability present in YUI 2.4.0-2.8.1.