AdvancedDataGrid - add columns with ActionScript
I am trying to add columns in an AdvancedDataGrid via ActionScript.
I can't make it work.
I tried two approaches - with an intermediary table to store the columns then set the adg in table columns; One where I assign columns directly to the table of columns of the adg.
They are likely to fail in their own way. The columns don't "take" and the adg uses the default values for dataProviders, or there are no columns at all.
"adg_test.mxml" has the code AdvancedDataGrids.
'adg_test_renderer.mxml' is a rendering engine for one of the columns.
Would appreciate learning what I'm doing wrong.
Thanks for any help.
= Adg_test_renderer.mxml START =.
<? XML version = "1.0" encoding = "utf-8"? >
" < = xmlns:mx mx:VBox ' http://www.Adobe.com/2006/MXML ">
< mx:Button id = "btnTest" label = "Working Renderer" / >
< / mx:VBox >
= Adg_test_renderer.mxml END =.
== Adg_test.mxml START =.
<? XML version = "1.0"? >
< mx:Application
' xmlns:mx = ' http://www.Adobe.com/2006/MXML "
Initialize = "init ()" >
< mx:Script >
<! [CDATA]
Import mx.collections.ArrayCollection;
[Bindable]
private var dpADGExplicit:ArrayCollection = new ArrayCollection([)
{Artist: 'Pavement', Album: 'Slanted and enchanted', price: 11.99},.
{Artist: 'Pavement', Album: 'Brighten the corners', price: 11.99},.
{Artist: 'Saner', Album: 'A child once', price: 11.99},.
{Artist: 'Saner', Album: 'Helium wings', price: 12.99},.
{Artist: 'The doors', Album: 'The doors', price: 10.99},.
{Artist: 'The doors', Album: "Morrison hotel", price: 12.99},.
{Artist: 'Grateful Dead', Album: 'American Beauty', price: 11.99},.
{Artist: 'Grateful Dead', Album: 'In the Dark', price: 11.99},.
{Artist: 'Grateful Dead', Album: 'Shakedown Street', price: 11.99},.
{Artist: 'The doors', Album: 'Strange Days', price: 12.99},.
{Artist: 'The doors', Album: 'The best of the doors', price: 10.99}
]);
[Bindable]
private var dpADGActionScript:ArrayCollection = new ArrayCollection([)
{Artist: 'Pavement', Album: 'Slanted and enchanted', price: 11.99},.
{Artist: 'Pavement', Album: 'Brighten the corners', price: 11.99},.
{Artist: 'Saner', Album: 'A child once', price: 11.99},.
{Artist: 'Saner', Album: 'Helium wings', price: 12.99},.
{Artist: 'The doors', Album: 'The doors', price: 10.99},.
{Artist: 'The doors', Album: "Morrison hotel", price: 12.99},.
{Artist: 'Grateful Dead', Album: 'American Beauty', price: 11.99},.
{Artist: 'Grateful Dead', Album: 'In the Dark', price: 11.99},.
{Artist: 'Grateful Dead', Album: 'Shakedown Street', price: 11.99},.
{Artist: 'The doors', Album: 'Strange Days', price: 12.99},.
{Artist: 'The doors', Album: 'The best of the doors', price: 10.99}
]);
private function init (): void
{
var arr:Array = []; table of //Intermediary which became the AdvancedDataGridColumn table
var col: AdvancedDataGridColumn = new AdvancedDataGridColumn();
col.dataField = "artist";
arr.push (col);
col.dataField = 'Album ';
Col.Visible = false;
arr.push (col);
col.dataField = "Price";
col.itemRenderer = new ClassFactory (adg_test_renderer);
arr.push (col);
adgActionScript.columns = arr;
UNSUCCESSFUL ALTERNATIVE APPROACH
/*
col.dataField = "artist";
adgActionScript.columns.push (col);
col.dataField = 'Album ';
Col.Visible = false;
adgActionScript.columns.push (col);
col.dataField = "Price";
col.itemRenderer = new ClassFactory (adg_test_renderer);
adgActionScript.columns.push (col);
*/
}
[]] >
< / mx:Script >
< mx:Label text = "Explicit columns" / >
< mx:AdvancedDataGrid
ID = "adgExplicit".
Width = "100%" height = "100%".
sortExpertMode = "true".
dataProvider = "{dpADGExplicit}" >
< mx:columns >
< mx:AdvancedDataGridColumn dataField = "Artist" / >
< mx:AdvancedDataGridColumn dataField = "Album" visible = "false" / >
< mx:AdvancedDataGridColumn dataField = "Price" itemRenderer = "adg_test_renderer" / >
< / mx:columns >
< / mx:AdvancedDataGrid >
< mx:Label text = "columns ActionScript (ActionScript so works: Arist column should be hidden.)" Should see Album with data columns and price with the buttons. / >
< mx:AdvancedDataGrid
ID = "adgActionScript".
Width = "100%" height = "100%".
sortExpertMode = "true".
dataProvider = "{dpADGActionScript}" >
< / mx:AdvancedDataGrid >
< / mx:Application >
== Adg_test.mxml END =.
If you are looking to add columns with ActionScript, follow this.
var _advancedDataGrid: AdvancedDataGrid = new AdvancedDataGrid();
var columns: Array = _advancedDataGrid.columns;
Columns.push (new AdvancedDataGridColumn ('field1'));
Columns.push (new AdvancedDataGridColumn ('field2'));
Columns.push (new AdvancedDataGridColumn ('field3'));
_advancedDataGrid.columns = columns;
_advancedDataGrid.validateNow ();
Tags: Flex
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------------
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979596 wrote:
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----
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