Packagefl.controls.dataGridClasses
Classpublic class DataGridColumn
InheritanceDataGridColumn Inheritance Object

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

The DataGridColumn class describes a column in a DataGrid component. There is one DataGridColumn object for every column that could be displayed on the screen, even for columns that are currently hidden or off-screen. The data provider items that belong to a DataGrid component can contain properties that are not displayed; such properties do not require a DataGridColumn.

You can specify the kind of component that displays the data for a DataGridColumn. The characteristics that can be specified include the text that appears in the column header and whether the column can be edited, sorted, or resized.

View the examples

See also

fl.controls.DataGrid

Public Properties
 PropertyDefined By
  cellRenderer : Object
The class that is used to render the items in this column.
DataGridColumn
 Inheritedconstructor : Object
A reference to the class object or constructor function for a given object instance.
Object
  dataField : String
Identifies the name of the field or property in the data provider item that is associated with the column.
DataGridColumn
  editable : Boolean = true
Indicates whether the items in the column can be edited.
DataGridColumn
  editorDataField : String = "text"
Identifies the name of the property of the item editor that contains the new data for the list item.
DataGridColumn
  headerRenderer : Object
The class that is used to render the header of this column.
DataGridColumn
  headerText : String
The column name to be displayed in the column header.
DataGridColumn
  imeMode : String
The mode of the input method editor (IME).
DataGridColumn
  itemEditor : Object = fl.controls.dataGridClasses.DataGridCellEditor
Indicates the class of the instances of the item editor to use for the column, when it is editable.
DataGridColumn
  labelFunction : Function
A function that determines the text to be displayed in this column.
DataGridColumn
  minWidth : Number
The minimum width of the column, in pixels.
DataGridColumn
 Inheritedprototype : Object
[static] A reference to the prototype object of a class or function object.
Object
  resizable : Boolean = true
Indicates whether the user is allowed to change the width of the column.
DataGridColumn
  sortable : Boolean = true
Indicates whether the user can click on the header of the current column to sort the data provider.
DataGridColumn
  sortCompareFunction : Function
A callback function that is called when sorting the data in the column.
DataGridColumn
  sortDescending : Boolean = false
Indicates whether the DataGridColumn is to be sorted in ascending or descending order.
DataGridColumn
  sortOptions : uint = 0
One or more defined constants, identified by name or number and separated by the bitwise OR (|) operator.
DataGridColumn
  visible : Boolean
Indicates whether the column is visible.
DataGridColumn
  width : Number
The width of the column, in pixels.
DataGridColumn
Public Methods
 MethodDefined By
  
DataGridColumn(columnName:String = null)
Creates a new DataGridColumn instance.
DataGridColumn
 Inherited
hasOwnProperty(name:String):Boolean
Indicates whether an object has a specified property defined.
Object
 Inherited
isPrototypeOf(theClass:Object):Boolean
Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.
Object
  
itemToLabel(data:Object):String
Returns the string that the item renderer displays for the given data object.
DataGridColumn
 Inherited
propertyIsEnumerable(name:String):Boolean
Indicates whether the specified property exists and is enumerable.
Object
 Inherited
setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void
Sets the availability of a dynamic property for loop operations.
Object
 Inherited
toLocaleString():String
Returns the string representation of this object, formatted according to locale-specific conventions.
Object
  
toString():String
Returns a string representation of the DataGridColumn object.
DataGridColumn
 Inherited
valueOf():Object
Returns the primitive value of the specified object.
Object
Property Detail
cellRendererproperty
cellRenderer:Object

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

The class that is used to render the items in this column. The type of this property can be Class, Sprite or String. If the property type is String, the String value must be a fully qualified class name.

The default value is null.



Implementation
    public function get cellRenderer():Object
    public function set cellRenderer(value:Object):void

See also

DataGridColumn.headerRenderer

Example
The following example specifies a custom cell renderer for a data grid column: 

import fl.controls.dataGridClasses.DataGridColumn;

var dgc:DataGridColumn = new DataGridColumn("Field");
dgc.cellRenderer = "MyCustomCellRendererClass";
dg.addColumn(dgc);
dataFieldproperty 
public var dataField:String

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Identifies the name of the field or property in the data provider item that is associated with the column.

editableproperty 
public var editable:Boolean = true

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Indicates whether the items in the column can be edited. A value of true indicates that the column items can be edited; a value of false indicates that they cannot be edited.

If this property is set to true and the editable property of the DataGrid is also true, the items in a column are editable and can be individually edited by clicking an item or by navigating to the item by using the Tab and arrow keys.

The default value is true.

editorDataFieldproperty 
public var editorDataField:String = "text"

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Identifies the name of the property of the item editor that contains the new data for the list item.

For example, the default itemEditor is TextInput, so the default value of the editorDataField property is "text". This value specifies the text property of the TextInput component.

The default value is "text".

headerRendererproperty 
headerRenderer:Object

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

The class that is used to render the header of this column.

The type of this property can be Class, Sprite or String. If the property type is String, the string value must be a fully qualified class name.

The default value is null.



Implementation
    public function get headerRenderer():Object
    public function set headerRenderer(value:Object):void

See also

DataGridColumn.cellRenderer
HeaderRenderer
headerTextproperty 
headerText:String

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

The column name to be displayed in the column header. By default, the DataGrid component uses the value of the dataField property as the column name.



Implementation
    public function get headerText():String
    public function set headerText(value:String):void

Example
The following example creates a new data grid and specifies header text for each column: 

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var dp:DataProvider = new DataProvider();
dp.addItem({name:"Person A", sales:13453});
dp.addItem({name:"Person B", sales:23432});
dp.addItem({name:"Person C", sales:9454});

var nameCol:DataGridColumn = new DataGridColumn("name");
nameCol.headerText = "Employee:";

var salesCol:DataGridColumn = new DataGridColumn("sales");
salesCol.headerText = "Sales:";
salesCol.labelFunction = currencyFormatter;
salesCol.sortOptions = Array.NUMERIC;

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(nameCol);
myDataGrid.addColumn(salesCol);
myDataGrid.dataProvider = dp;
myDataGrid.move(10, 10);
myDataGrid.setSize(320, 240);
addChild(myDataGrid);

function currencyFormatter(item:Object):String {
    return "$" + item.sales.toFixed(0);
}
imeModeproperty 
imeMode:String

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

The mode of the input method editor (IME). The IME enables users to enter text in Chinese, Japanese, and Korean. The flash.system.IMEConversionMode class defines constants to be used as the valid values for this property.

If this property is null, the mode of the IME is set to the value of the imeMode property of the DataGrid component.

The default value is null.



Implementation
    public function get imeMode():String
    public function set imeMode(value:String):void

See also

flash.system.IMEConversionMode
itemEditorproperty 
public var itemEditor:Object = fl.controls.dataGridClasses.DataGridCellEditor

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Indicates the class of the instances of the item editor to use for the column, when it is editable. The type of this property can be Class, Sprite or String. If the property type is String, the string value must be a fully qualified class name.

The default value is "fl.controls.dataGridClasses.DataGridCellEditor".


Example
The following example specifies a custom item editor for a data grid column: 

import fl.controls.dataGridClasses.DataGridColumn;

var dgc:DataGridColumn = new DataGridColumn("Field");
dgc.itemEditor = "MyCustomItemEditorClass";
dg.addColumn(dgc);
labelFunctionproperty 
labelFunction:Function

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

A function that determines the text to be displayed in this column. By default, the column displays the text for the data field that matches the column name. However, a column can also be used to display the text of more than one data field, or to display content that is not in the proper format. This can be done by using the labelFunction property to specify a callback function.

If both the labelFunction and labelField properties are defined, the labelFunction takes precedence.

The default value is null.



Implementation
    public function get labelFunction():Function
    public function set labelFunction(value:Function):void

Example
The following example creates a data grid and defines a custom label function for one of the data grid columns: 

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 16;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:getRandomNumber(), col2:getRandomNumber(), col3:getRandomNumber(), col4:getRandomNumber()});
}

var c1:DataGridColumn = new DataGridColumn("col1");
c1.sortOptions = Array.NUMERIC;
var c2:DataGridColumn = new DataGridColumn("col2");
c2.sortOptions = Array.NUMERIC;
var c3:DataGridColumn = new DataGridColumn("col3");
c3.sortOptions = Array.NUMERIC;
c3.labelFunction = currencyFormatter;

var dg:DataGrid = new DataGrid();
dg.setSize(200, 300);
dg.addColumn(c1);
dg.addColumn(c2);
dg.addColumn(c3);
dg.dataProvider = dp;
addChild(dg);

function getRandomNumber():Number {
    return Math.random() * 100;
}

function currencyFormatter(data:Object):String {
    var value:Number = Number(data.col3);
    return "$" + value.toFixed(2);
}
The following example creates a new DataGridColumn object and specifies both a labelFunction and sortCompareFunction: 
import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var data:XML = <data>
        <item name="Employee A" isManager="1" />
        <item name="Employee B" isManager="0" />
        <item name="Employee C" isManager="1" />
    </data>;

var dp:DataProvider = new DataProvider(data);

var nameDGC:DataGridColumn = new DataGridColumn("name");
nameDGC.sortCompareFunction = isManager;
nameDGC.labelFunction = nameLabelFunction;

var myDataGrid:DataGrid = new DataGrid()
myDataGrid.addColumn(nameDGC);
myDataGrid.dataProvider = dp;
myDataGrid.width = 200;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 10);
addChild(myDataGrid);

function nameLabelFunction(item:Object):String {
    var managerString:String = "";
    if (item.isManager == "1") {
        managerString = " (Manager)";
    }
    return item.name + managerString;
}

function isManager(itemA:Object, itemB:Object):int {
    if (itemA.isManager > itemB.isManager) {
        return -1;
    } else if (itemA.isManager < itemB.isManager) {
        return 1;
    } else {
        return 0;
    }
}
minWidthproperty 
minWidth:Number

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

The minimum width of the column, in pixels.

The default value is 20.



Implementation
    public function get minWidth():Number
    public function set minWidth(value:Number):void

See also

DataGridColumn.width

Example
The following example displays the width of each column in the data grid whenever a column's width changes: 

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;

var data:XML = <data>
        <row col1="item 1.A" col2="item 1.B" col3="item 1.C" />
        <row col1="item 2.A" col2="item 2.B" col3="item 2.C" />
        <row col1="item 3.A" col2="item 3.B" col3="item 3.C" />
    </data>;
    
var dp:DataProvider = new DataProvider(data);

var c1:DataGridColumn = new DataGridColumn("col1");
c1.minWidth = 100;
var c2:DataGridColumn = new DataGridColumn("col2");
var c3:DataGridColumn = new DataGridColumn("col3");

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(c1);
myDataGrid.addColumn(c2);
myDataGrid.addColumn(c3);
myDataGrid.dataProvider = dp;
myDataGrid.move(10, 10);
myDataGrid.setSize(300, 200);
myDataGrid.addEventListener(DataGridEvent.COLUMN_STRETCH, columnStretchHandler);
addChild(myDataGrid);

function columnStretchHandler(event:DataGridEvent):void {
    var column:DataGridColumn;
    for each (column in myDataGrid.columns) {
        trace(column.dataField, "width:" + column.width, "minWidth:" + column.minWidth);
    }
    trace("---");
}
resizableproperty 
public var resizable:Boolean = true

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Indicates whether the user is allowed to change the width of the column. A value of true indicates that the user can change the column width; a value of false indicates that the user cannot change the column width.

The default value is true.

sortableproperty 
public var sortable:Boolean = true

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Indicates whether the user can click on the header of the current column to sort the data provider. A value of true indicates that the column can be sorted by clicking on its header; a value of false indicates that it cannot be sorted by clicking on its header.

The default value is true.


Example
The following example creates a new data grid with an unsortable column: 

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;

var data:XML = <dataProvider>
        <data col1="Person A" col2="11.383" />
        <data col1="Person B" col2="3.399" />
        <data col1="Person C" col2="25.624" />
    </dataProvider>

var dp:DataProvider = new DataProvider(data);

var c1:DataGridColumn = new DataGridColumn("col1");
var c2:DataGridColumn = new DataGridColumn("col2");
c2.sortable = false;

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(c1);
myDataGrid.addColumn(c2);
myDataGrid.dataProvider = dp;
myDataGrid.move(10, 10);
myDataGrid.setSize(160, 120);
addChild(myDataGrid);
The following example creates a DataGrid with one unsortable column by setting the data grid column's sortable property to false: 

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;

var xmlDP:XML = <items>
        <item name="Person 1" bio="Person 1 bio" />    
        <item name="Person 2" bio="Person 2 bio" />
    </items>;

var dp:DataProvider = new DataProvider(xmlDP);

var nameCol:DataGridColumn = new DataGridColumn("name");
nameCol.headerText = "Name:";

var bioCol:DataGridColumn = new DataGridColumn("bio");
bioCol.headerText = "Bio:";
bioCol.sortable = false;

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(nameCol);
myDataGrid.addColumn(bioCol);
myDataGrid.dataProvider = dp;
myDataGrid.rowCount = dp.length;
myDataGrid.width = 200;
myDataGrid.move(10, 10);
myDataGrid.addEventListener(DataGridEvent.HEADER_RELEASE, headerReleaseHandler);
addChild(myDataGrid);

function headerReleaseHandler(event:DataGridEvent):void {
    var myDG:DataGrid = event.currentTarget as DataGrid;
    trace("dataField:" + event.dataField);
    trace("columnIndex:" + event.columnIndex);
    trace("{DataGrid}.sortDescending:" + myDG.sortDescending);
    trace("{DataGridColumn}.sortDescending:" + myDG.getColumnAt(event.columnIndex).sortDescending);
    trace("");
}
sortCompareFunctionproperty 
sortCompareFunction:Function

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

A callback function that is called when sorting the data in the column. If this property is not specified, the data is sorted by string or number, depending on the sortOptions property. When specified, the sortCompareFunction property allows you to create your own custom sorting method for the current data grid column.

The default value is null.



Implementation
    public function get sortCompareFunction():Function
    public function set sortCompareFunction(value:Function):void

See also

sortOptions

Example
The following example creates a new DataGridColumn object and specifies both a labelFunction and sortCompareFunction: 
import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var data:XML = <data>
        <item name="Employee A" isManager="1" />
        <item name="Employee B" isManager="0" />
        <item name="Employee C" isManager="1" />
    </data>;

var dp:DataProvider = new DataProvider(data);

var nameDGC:DataGridColumn = new DataGridColumn("name");
nameDGC.sortCompareFunction = isManager;
nameDGC.labelFunction = nameLabelFunction;

var myDataGrid:DataGrid = new DataGrid()
myDataGrid.addColumn(nameDGC);
myDataGrid.dataProvider = dp;
myDataGrid.width = 200;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 10);
addChild(myDataGrid);

function nameLabelFunction(item:Object):String {
    var managerString:String = "";
    if (item.isManager == "1") {
        managerString = " (Manager)";
    }
    return item.name + managerString;
}

function isManager(itemA:Object, itemB:Object):int {
    if (itemA.isManager > itemB.isManager) {
        return -1;
    } else if (itemA.isManager < itemB.isManager) {
        return 1;
    } else {
        return 0;
    }
}
sortDescendingproperty 
public var sortDescending:Boolean = false

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Indicates whether the DataGridColumn is to be sorted in ascending or descending order. A value of true indicates that the DataGridColumn is sorted in descending order; a value of false indicates that the DataGridColum is sorted in ascending order.

The default value is false.

sortOptionsproperty 
public var sortOptions:uint = 0

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

One or more defined constants, identified by name or number and separated by the bitwise OR (|) operator. These constants are used to specify the sort operation.

The default value is 0.

See also

Array.sort()

Example
The following example uses the sortOptions property to specify that a data grid column should be sorted numerically: 

import fl.data.DataProvider;
import fl.controls.dataGridClasses.DataGridColumn;

var data:XML = <players>
        <player name="Player 1" score="1234" />
        <player name="Player 2" score="198" />
        <player name="Player 3" score="987" />
    </players>;

var dp:DataProvider = new DataProvider(data);

var nameDGC:DataGridColumn = new DataGridColumn("name");
var scoreDGC:DataGridColumn = new DataGridColumn("score");
scoreDGC.sortOptions = Array.NUMERIC;

dg.addColumn(nameDGC);
dg.addColumn(scoreDGC);
dg.dataProvider = dp;
visibleproperty 
visible:Boolean

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Indicates whether the column is visible. A value of true indicates that the column is visible; a value of false indicates that the column is invisible.

The default value is true.



Implementation
    public function get visible():Boolean
    public function set visible(value:Boolean):void

Example
The following example creates a DataGrid component instance with two columns. You can toggle the visible property of each of these columns by clicking the corresponding Button instance on the Stage. 

import fl.controls.Button;
import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var dp:DataProvider = new DataProvider();
dp.addItem({name:"Person A", average:0.297});
dp.addItem({name:"Person B", average:0.288});
dp.addItem({name:"Person C", average:0.310});

var nameCol:DataGridColumn = new DataGridColumn("name");
nameCol.headerText = "Name:";

var averageCol:DataGridColumn = new DataGridColumn("average");
averageCol.headerText = "Average:";
averageCol.labelFunction = numberFormatter;
averageCol.sortOptions = Array.NUMERIC;
averageCol.visible = false;

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(nameCol);
myDataGrid.addColumn(averageCol);
myDataGrid.dataProvider = dp;
myDataGrid.rowCount = dp.length;
myDataGrid.width = 320;
myDataGrid.move(10, 10);
addChild(myDataGrid);

var nameButton:Button = new Button();
nameButton.label = "Toggle name";
nameButton.toggle = true;
nameButton.selected = nameCol.visible;
nameButton.move(myDataGrid.x, myDataGrid.y + myDataGrid.height + 10);
nameButton.addEventListener(Event.CHANGE, changeHandler);
addChild(nameButton);

var averageButton:Button = new Button();
averageButton.label = "Toggle average";
averageButton.toggle = true;
averageButton.selected = averageCol.visible;
averageButton.move(nameButton.x + nameButton.width + 10, nameButton.y);
averageButton.addEventListener(Event.CHANGE, changeHandler);
addChild(averageButton);

function numberFormatter(item:Object):String {
    return Number(item.average).toFixed(3);
}

function changeHandler(event:Event):void {
    var colIndex:int = -2;
    var col:DataGridColumn;
    switch (event.currentTarget) {
        case nameButton:
            colIndex = myDataGrid.getColumnIndex("name");
            break;
        case averageButton:
            colIndex = myDataGrid.getColumnIndex("average");
            break;
        default:
            return;
    }
    
    if (colIndex > -1) {
        col = myDataGrid.getColumnAt(colIndex);
        col.visible = !col.visible;
        myDataGrid.removeColumnAt(colIndex);
        myDataGrid.addColumnAt(col, colIndex);
    }
    myDataGrid.spaceColumnsEqually();
}
widthproperty 
width:Number

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

The width of the column, in pixels.

The default value is 100.



Implementation
    public function get width():Number
    public function set width(value:Number):void

See also

DataGridColumn.minWidth
Constructor Detail
DataGridColumn()Constructor
public function DataGridColumn(columnName:String = null)

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Creates a new DataGridColumn instance.

Parameters
columnName:String (default = null) — The column name to display in the column header. If no name is specified, the dataField value is used.

See also

DataGridColumn.headerText
Method Detail
itemToLabel()method
public function itemToLabel(data:Object):String

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Returns the string that the item renderer displays for the given data object. If the DataGridColumn or its DataGrid component has a non-null labelFunction property, it applies the function to the data object. Otherwise, the method extracts the contents of the field that is specified by the dataField property, or gets the string value of the data object. If the method cannot convert the parameter to a string, it returns a single space.

Parameters

data:Object — The Object to be rendered.

Returns
String — Displayable string based on the specified data object.
toString()method 
public function toString():String

Language Version: ActionScript 3.0
Product Version: Flash CS3
Runtime Versions: Flash Player 9.0.28.0, AIR 1.0

Returns a string representation of the DataGridColumn object.

Returns
String — "[object DataGridColumn]"
Examples How to use this example
DataGridColumnExample.as

This example demonstrates how to manipulate the columns of a DataGrid programatically.
  1. Add the DataGrid and Button components to the library.
  2. Save this code as DataGridColumnExample.as in the same directory as your FLA.
  3. Set the DocumentClass in the FLA to DataGridColumnExample.
package
{
    import flash.display.Sprite;
    import flash.events.MouseEvent;
    import fl.data.DataProvider;
    import fl.events.DataChangeEvent;
    import fl.controls.DataGrid;
    import fl.controls.Button;
    import fl.controls.dataGridClasses.DataGridColumn;
    
    public class DataGridColumnExample extends Sprite
    {
        private var dg:DataGrid;
        private var dp:DataProvider;
        private var names:Array = [ "Mary", "Bob", "Sue", "Joe" ];
        
        
        public function DataGridColumnExample() {
            dp = new DataProvider();
            dp.addEventListener(DataChangeEvent.DATA_CHANGE,dataChanged);
        
            dg = new DataGrid();
            addChild(dg);
            dg.move(10,45);
            dg.setSize(450,300);
            dg.addColumn(new DataGridColumn("name"));
            dg.addColumn(new DataGridColumn("phone"));
            dg.addColumn(new DataGridColumn("email"));

            var firstColumn = dg.columns[0];
            firstColumn.resizable = false;
            var secondColumn = dg.columns[1];
            secondColumn.sortable = false;
            var thirdColumn = dg.columns[2];
            thirdColumn.sortable = false;
            
            var addContactBtn:Button = new Button();
            addContactBtn.label = "Add Contact";
            addContactBtn.move(10,10);
            addContactBtn.addEventListener(MouseEvent.CLICK, addContact);
            addChild(addContactBtn);            
        }
        
        private function getRandomPhone():String {
            return randomDigit()+randomDigit()+randomDigit()+"-"+randomDigit()+randomDigit()+randomDigit()+"-"+randomDigit()+randomDigit()+randomDigit()+randomDigit();    
        }
        private function randomDigit():String {
            return String(Math.round(Math.random()*10)%10);    
        }
        private function getRandomName():String {
            return names[Math.round(Math.random()*names.length)%names.length];    
        }
        private function addContact(e:MouseEvent):void {
            var randomName:String = getRandomName()
            dp.addItem( { name: randomName, phone: getRandomPhone(), email: randomName + "@fictitious.com" } );
        }
        private function dataChanged(e:DataChangeEvent):void {
            var changedItems:Array = e.items;
            dg.addItem(changedItems[0]);
        }
    }
}



© 2009 Adobe Systems Incorporated. All rights reserved.
Wed Jul 29 2009, 04:58 PM -07:00
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