| Package | fl.controls.listClasses |
| Class | public class ListData |
| Inheritance | ListData Object |
| Subclasses | TileListData |
| Language Version: | ActionScript 3.0 |
| Product Version: | Flash CS3 |
| Runtime Versions: | Flash Player 9.0.28.0, AIR 1.0 |
A new ListData component is created for a cell renderer each time it is invalidated.
Public Properties
| Property | Defined By | ||
|---|---|---|---|
| column : uint [read-only]
The column in which the data item is displayed. | ListData | ||
![]() | constructor : Object
A reference to the class object or constructor function for a given object instance. | Object | |
| icon : Object [read-only]
A class that represents the icon for the item in the List component,
computed from the List class method. | ListData | ||
| index : uint [read-only]
The index of the item in the data provider. | ListData | ||
| label : String [read-only]
The label to be displayed in the cell. | ListData | ||
| owner : UIComponent [read-only]
A reference to the List object that owns this item. | ListData | ||
| row : uint [read-only]
The row in which the data item is displayed. | ListData | ||
Public Methods
| Method | Defined By | ||
|---|---|---|---|
Creates a new instance of the ListData class as specified by its parameters. | ListData | ||
![]() |
Indicates whether an object has a specified property defined. | Object | |
![]() |
Indicates whether an instance of the Object class is in the prototype chain of the object specified
as the parameter. | Object | |
![]() |
Indicates whether the specified property exists and is enumerable. | Object | |
![]() |
Sets the availability of a dynamic property for loop operations. | Object | |
![]() |
Returns the string representation of this object, formatted according to locale-specific conventions. | Object | |
![]() |
Returns the string representation of the specified object. | Object | |
![]() |
Returns the primitive value of the specified object. | Object | |
Property Detail
column | property |
icon | property |
index | property |
label | property |
owner | property |
owner:UIComponent [read-only] | Language Version: | ActionScript 3.0 |
| Product Version: | Flash CS3 |
| Runtime Versions: | Flash Player 9.0.28.0, AIR 1.0 |
A reference to the List object that owns this item.
Implementation
public function get owner():UIComponentrow | property |
Constructor Detail
ListData | () | Constructor |
public function ListData(label:String, icon:Object, owner:UIComponent, index:uint, row:uint, col:uint = 0)| Language Version: | ActionScript 3.0 |
| Product Version: | Flash CS3 |
| Runtime Versions: | Flash Player 9.0.28.0, AIR 1.0 |
Creates a new instance of the ListData class as specified by its parameters.
Parameterslabel:String — The label to be displayed in this cell.
| |
icon:Object — The icon to be displayed in this cell.
| |
owner:UIComponent — The component that owns this cell.
| |
index:uint — The index of the item in the data provider.
| |
row:uint — The row in which this item is being displayed. In a List or
DataGrid, this value corresponds to the index. In a TileList, this
value may be different than the index.
| |
col:uint (default = 0) — The column in which this item is being displayed. In a List,
this value is always 0.
|
Examples How to use this example
ListDataExample.as
This example illustrates how to access the
listData property of a cell renderer.
To run the example, follow these steps:
- Add the List and Button components to the library.
- Save this code as ListDataExample.as in the same directory as your FLA file.
- Set the Document class in the FLA file to ListDataExample.
package
{
import fl.controls.List;
import fl.controls.listClasses.CellRenderer;
import fl.controls.listClasses.ListData;
import fl.events.ListEvent;
import flash.display.Sprite;
import flash.events.Event;
import flash.text.TextField;
public class ListDataExample extends Sprite
{
var sampleItem1:Object = { label:"John Alpha" };
var sampleItem2:Object = { label:"Mary Bravo" };
var sampleItem3:Object = { label:"Trevor Gamma" };
var sampleItem4:Object = { label:"Susan Delta" };
var myList:List;
var tf:TextField;
public function ListDataExample() {
createList();
tf = new TextField();
tf.x = 10;
tf.y = 125;
addChild(tf);
}
private function createList():void {
myList = new List();
myList.move(10,10);
myList.addItem(sampleItem1);
myList.addItem(sampleItem2);
myList.addItem(sampleItem3);
myList.addItem(sampleItem4);
myList.rowCount = 4;
myList.addEventListener(ListEvent.ITEM_CLICK,listItemSelected);
addChild(myList);
}
private function listItemSelected(e:ListEvent):void {
var cr:CellRenderer = myList.itemToCellRenderer(e.item) as CellRenderer;
var listData:ListData = cr.listData;
tf.text = "Row selected: " + listData.row;
}
}
}
Thu Dec 6 2018, 01:12 PM -08:00
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