Hi,
Try this code:
_global.styles.ScrollSelectList.backgroundColor = null;
mx.controls.listclasses.SelectableRow.prototype.drawRowFill = function
(mc:MovieClip, newClr:Number):Void
{
mc.clear();
var bgAlpha = 100; //opaque - no alpha defined
var dg = this._parent._parent;
if(dg.className.indexOf("DataGrid") != -1) //this is a DataGrid
or derived from it
{
if(dg.backgroundAlpha != undefined && dg.backgroundAlpha
!= null &&
newClr != dg.rollOverColor &&
newClr != dg.selectionColor &&
newClr != dg.selectionDisabledColor)
bgAlpha = dg.backgroundAlpha;
}
//otherwise, the alpha will be 100, like before
if (newClr == null) mc.beginFill(0xFFFFFF, bgAlpha); //white -
no color defined
else mc.beginFill(newClr, bgAlpha);
mc.drawRect(1, 0, this.__width, this.__height);
mc.endFill();
mc._width = this.__width;
mc._height = this.__height;
};
//this override lets us draw the background color where there are no
valid rows (instead of alternating colors)
mx.controls.listclasses.SelectableRow.prototype.getNormalColor =
function(Void):Number
{
var col;
var o = this.owner;
if ( !o.enabled ) col = o.getStyle("backgroundDisabledColor");
else
{
//empty rows get the background color. backgroundAlpha
is kinda weird with this...
if(this.item == undefined && o.backgroundAlpha ==
undefined) return o.getStyle("backgroundColor");
var itemIndex = this.rowIndex + o.__vPosition;
if (this.rowIndex == undefined) col =
o.getPropertiesOf(this.item).backgroundColor;
else col = o.getPropertiesAt(itemIndex).backgroundColor;
if (col == undefined)
{
var colArray =
o.getStyle("alternatingRowColors");
if (colArray == undefined) col =
o.getStyle("backgroundColor");
else col = colArray[itemIndex%colArray.length];
}
}
return col;
};
The first function will let you specify that a DataGrid or List has a
transparent background.
To set a transparent background on the list or DataGrid, do:
my_list_or_grid.backgroundAlpha = value; //value = 0-100
The second function lets you draw the list background where there are no
rows present (you can omit this function if you want).
Note: for this stuff to work, make sure NOT to set backgroundColor on
the list or grid, and make sure to DO set alternatingRowColors (you can
use anything... like [0,0]). Note that you can even use
alternatingRowColors with 1 element to simulate backgroundColor (like
[0xFF0000]).
-=matt
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Rob
Coenen
Sent: Tuesday, December 19, 2006 6:25 AM
To: flashcoders@chattyfig.figleaf.com
Subject: [Flashcoders] Transparent list component
Hello gang,
what is the current status on components-with-transparent-backgrounds?
I did search the archives but and it seems people have been working on
all sorts of patches and solutions, but is there a real definitive
solution?
Never thought that putting a background image in a list view component
would be hard... :-)
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