flex

Populate Tree using data from ArrayCollection

Let's say I had an ArrayCollection like this: public var ac:ArrayCollection= new ArrayCollection([ {item:"dog", group:"Animals"}, {item:"orange", group:"Fruits"}, {item:"cat", group:"Animals"}, {item:"apple", group:"Fruits"} ]); How would I create a Tree component in...

Flex Column Chart customization

Hi all, When I customized the ColumnChart in Flex by overrided updateDisplayList function, colors in legend no longer display. As you will see in the below picture: http://i41.tinypic.com/mim35d.png Does I missed anything? Thanks. ...

Flex 4 how to layout spark controls in an html table type way

I have a group of controls and I want to organize them in a table like fashion. I want 1 row and 6 columns. Col 1,3,4,5,6 should all auto size to the contents and col 2 should take up the remaining available space. When the size of the group changes, only col2 width should change. I also want to be able to set the alignment of each c...

Flash Builder 4: Call main function from a component function

i try to make a login sistem in flex, and my app looks like this: i have a main.mxml. when the app loads, a function named "start" is called. it verifies if the user is logged in or not. if "true" the user is redirected to a dashboard, if "false", a component named login is loaded. my login.mxml component has 2 input boxes (user & pass...

Flash Bitmap Vs MovieClip

What are the Advantages and Disadvantages over the Bitmap and MovieClip in Flash. Give me your thoughts. Thank you ...

Hide items from legend in flex chart

I have a LineChart continaing 6 lineseries. I should be able to pass parametrers to server using HTTPservice. But then the returned XML may contain information for a single line series or for all the lineseries. The problem, if we have a value for a single lineseries , the legend should contain also only one item and similarly for multip...

How to secure an aspx page called by Flex?

How can I secure an aspx page that is called by a Flex application of ours? It has to be secured for the whole application, not for particular users. Is it possible to give credentials with the Flex Call? In Asp.net, only some five aspx pages need to be secured. The amf calls are already secured. I do not want a popup to be displayed w...

What's the best way of creating a body of text with a text bubble background?

im new to flex, so naturally I would just create a dynamic sprite using the drawing api and put it behind the text... but my app is really buggy using the rawChildren to addChild. So is there a better way to have a bg for a piece of text though actionscript? like modifying an existing component? ...

Flex - Drag and drop - Drop a subset of multiple items

I'm developing two DataGrid with drag and drop support. Multiple items can be selected from the source data grid, and dropped into the target data grid. I'm using an drag and drop event listener which completes the operation only in certain cases. I'm using event.preventDefault() but it doesn't work, since it stops the drag and drop fr...

Flex 4: Component move event

I have a CustomTextInput component based on TextInput (Spark) component. The instance of this class is placed on a popup window (TitleWindow). How can I capture the popup move (dragging the title) event inside CustomTextInput implementation? MoveEvent.MOVE event of the CustomTextInput itself doesn't work. Of course, I can't access the ...

HTTPService is very slow by sending 10'000 lines of XML to the server...

Hi everybody, I have a flex app which allows user to create some content. this content will then be sent via xml back to the server: private function saveBackXMLToServer():void { var params:Object = {}; params["xml_file"] = XML_content(); http_Service.send(params); } My problem is, that the...

Problem with Flex DataVisualization Charting components Rendering Labels on Build Server

Hi All, I'm having a problem with labels disappearing on Flex's datavisualization.swc charts that are built on our build server via ANT and the Flex 3.3 SDK. I've made sure that our license is applied properly on the build server (hence no water marks), and I've made sure the exact same datavisualization.swc was copied from my dev machi...

What technology for a rich UI desktop application ?

For an internship, I'm gonna have to develop a desktop application. The focus is creating a rich UI ( cool effects, sound etc ). Which tech should I go with ? - Flash ? ( in this case, shoud I go with a flex project ? AIR ? what is the gain between this and a simple raw flash project ) - C#/Silverlight ? Any other possibility ? If expe...

Difference between halo and mx namespace

Hi there ! As far as I know, the support for library://ns.adobe.com/flex/halo namespace has been dropped, and now we have to use library://ns.adobe.com/flex/mx instead (reference). Can someone provide if there's any difference between the two namespaces? I am just starting to learn Flex and this change make me confused. For example, i...

Flex: Unexpected leakage with RemoteObject + IExternalizable?

I've been tinkering with IExternalizable, but I've noticed some unexpected behavior. I've got this class: public function readExternal(input:IDataInput):void { input.readObject(); input.readObject(); input.readObject(); } public function writeExternal(output:IDataOutput):void { output.writeObject("first string"); ou...

Flex unit testing with ANT vs Flash Builder 4

I have just tried setup unit testing in Flash Builder 4, and it working nicely. A setup of a parallel test source structure and using Flash Builder 4:s new TestCase and new TestSuite I was up and running with some testcases within minutes. But now I want to compile them from a ant flex task, the Flash Builder generates FlexUnitApplicat...

How do I maintain selection in a DataGrid when the data changes?

I have a DataGrid and I set the DataProvider to my data. When my data changes the DataGrid loses the selected row and the scroll bar jumps back to the top. How do I maintain the selection and scroll position? ...

Hide the last children of an XML data provider (not to be displayed in mx:Tree)

Hi there! I have an hierachical XML data, and I want to display it as a tree. The XML data is something like this: <services> <service name="TestService" endpoint=""> <method name="sayHi"> <parameter name="firstName" /> <parameter name="lastName" /> </method> <method name="sayGoodbye"> <parameter name="...

Configuring LCDS HTTPProxy service behind a firewall

I have an LCDS server sitting behind a corporate proxy/firewall. I need to use a configured HTTPProxyService on the LCDS server to make requests out to beyond the firewall (can't go directly from the client because of crossdomain.xml issues) How do I configure LCDS to use the corporate proxy on it's outbound requests? ...

How do I force all Tree itemrenderers to refresh?

I have item renderers in an mx.controls.Tree that I need to refresh on demand. I have code in the updateDisplayList that fires for only some of the visible nodes no matter what I do. I've tried triggering a change that they should all be listening for; I have tried clearing and resetting the dataProvider and the itemRenderer properties....