ActionScript and Adobe Flex Reload the Flex Application

Posted on August 23rd, 2010 by egiles

Create an ActionScript function to reload a page that can be called from Adobe Flex / Flash.  This uses javascript to call a page reload.
private function reloadPage(event:Event):void
{
var ref:URLRequest = new URLRequest(”javascript:location.reload(true)”);
navigateToURL(ref, “_self”);
}

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Ant Build from Eclipse - File Not Found Error

Posted on August 23rd, 2010 by egiles

You might be thinking that getting Ant errors of a file not found on Windows is due to spaces in file names.
Actually, Ant and Eclipse are probably handling spaces on Windows fine, it’s the backslashes on Windows directories that are causing the problems.
Because Eclipse and Ant are Sun Java based, backslashes are interpreted as string [...]

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Saving Excel Files in ActionScript and Flex

Posted on August 23rd, 2010 by egiles

In saving to an Excel (xls) file from Adobe Flex / Flash using ActionScript code, make sure to include
import com.as3xls.xls.ExcelFile;
import com.as3xls.xls.Sheet;
Then, make sure to require Flash Player 10.0.0 or higher or the application will not build in Flex Builder 4.  Project->Properties->Flex Compiler -> Check Require Flash Player version: 10 0 0.
Wire your event listener appropriately.
var [...]

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File Uploader In Flex

Posted on August 23rd, 2010 by egiles

This is a great example of a file uploader for Adobe Flex.  It’s in com.everythingflex.components.Uploader.mxml.
<?xml version=”1.0″ encoding=”utf-8″?>
<!– Authored by Rich Tretola (rich@richtretola.com) EverythingFlex.com
Feel free to use within your appplications.  Track changes at EverythingFlex.com
Sample Syntax:
<eFlexComponents:Uploader uploadButtonLabel=”Browse for New Image”
uploadToURL=”http://www.yourdomain.com/uploads/uploader.cfm”
imagesFilter=”*.jpg;*.gif;*.png”
displayNewImage=”true”
displayImagePath=”http://www.yourdomain.coms/uploads”
maxUploadSize=”100000″/>
–>
<mx:Canvas xmlns:mx=”http://www.adobe.com/2006/mxml” width=”100%” height=”100%”>
<mx:Script>
<![CDATA[
import mx.controls.Label;
import mx.controls.Alert;
import flash.net.FileFilter;
import flash.net.FileReference;
import flash.net.URLRequest;
private var uploadURL:URLRequest;
private var file:FileReference;
[Bindable]
public var uploadButtonLabel:String = “Browse for [...]

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Crossdomain.xml file for ColdFusion

Posted on August 23rd, 2010 by egiles

If you’re getting an error like “Security error accessing url” from Flex, try editing the crossdomain.xml file in ColdFusion.  For a non-production, global access quick test to see if this solves your problem try the following.
Adobe ColdFusion Cross-Domain File for Global Access
This cross domain file allows any connection to CFC’s.
crossdomain.xml
<?xml version=”1.0″ ?>
<!DOCTYPE cross-domain-policy SYSTEM “http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd”>
<cross-domain-policy>
<allow-access-from [...]

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Cool Flex 3d Rotating Effects

Posted on August 23rd, 2010 by egiles

Image to Ascii:
http://livedocs.adobe.com/flex/3/html/help.html?content=09_Working_with_Strings_11.html
Cool Adobe Flash / Flex 3D Graphics Effects
http://blog.flexexamples.com/2008/10/25/incrementally-3d-rotating-objects-in-flex-using-the-fxrotate3d-in-flex/
http://help.adobe.com/en_US/flex/using/WSF0D55C84-17E0-456a-A977-04BFE1E23BA8.html
http://www.selikoff.net/2010/03/17/solution-to-flex-image-rotation-and-flipping-around-center/
http://www.joelconnett.com/flex-rotation-around-a-point.html
http://lucamezzalira.com/2008/02/07/little-tricks-to-rotate-images-in-flex/
Matrix based image manipulation:
http://insideria.com/2008/03/image-manipulation-in-flex.html
http://blog.flexexamples.com/2007/09/14/rotating-images-using-the-matrix-class/
Other:
http://www.bjw.co.nz/developer/flex/86-flex-3-rotating-image-script

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