Flex :: What Event Is Fired When All SkinSparts Are Available In A SkinnableComponent
Feb 12, 2011
I'm (slowly) learning Flex 4 and working on skinning a custom component that extends SkinnableComponent. The component is all in ActionScript and essentially looks like this:
[Code]...
The issue I'm having is on NULL REFERENCES in the Constructor for the various SkinParts, because they're not created yet. I'm trying to find out when is the best time to access them to assign their .text values. I know I can override partAdded() and add the .text value as each part is added, but I'd rather just listen for some magic event that is dispatched when they're all available.I'm not sure whether or not it matters, but the accountName, accountNumber variables are assigned by using a repeater with a dataProvider on the host component. I'm not sure if that too has something to do with when the data is available to the AccountSummary component - which may also needed to be waited on. I was able to successfully use FlexEvent.CREATION_COMPLETE to assign all my .text values to the SkinParts, but is that the right event/best practice?
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Dec 2, 2011
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Feb 23, 2010
<mx:Label id="myLabel" dataChange="{trace('changed!!');}" />
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Am I using a wrong event? I thought dataChange is fired when text in the label is changed.
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Jul 16, 2010
I have 2 files, 1 to dispatch the event and 1 to receive it (of course in addition to the event class itself).
I've done this before with both dispatching and receiving files being mxml, but this time the dispatching file is an actionscript class, and it's not working this time. Is it different for actionscript classes?
Here's a dumbed down version
The dispatching class dispatches the event as soon as it's created.
public class ASClass extends UIComponent{
public function ASClass(){
dispatchEvent(new MyEvents(MyEvents.FIRE_EVENT));
}
}
in my main mxml app, I instantiate the ASClass which automatically dispatch the event as soon as it's created and the main mxml app should receive back.
protected function appCComplete(event:FlexEvent):void{
addEventListener(MyEvents.FIRE_EVENT, gotEvent);
var asClass:ASClass = new ASClass();
[Code].....
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Mar 16, 2009
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Aug 19, 2011
<s:ViewNavigator id="trends" label="Trends" width="100%" height="100%" firstView="views.TrendsView" icon="@Embed('assets/column-chart-icon32.png')"/>
<s:ViewNavigator id="attach" label="Attach" width="100%" height="100%" firstView="views.AttachView" icon="@Embed('assets/paperclip-icon32.png')"/>
Now, I know if you click on "trends" then firstView "views.TrendsView" will be shown. Now you are in that view and click again on "trends" (bottom nav bar) which event will flex dispatch?
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Nov 16, 2011
As a part of trying to tackle a memory leak in our application, we discovered that for every SkinnableComponent, the skinDestructionPolicy is set to "never" by default.This means that when using static skin parts, the skin is forever detained in memory.Furthermore, the override of a partRemoved() in the host component will never be triggered.Hence, event listeners we add in the partAdded() override are not removed, which effectively causes views and skins to be kept in memory.When doing a lot of view switches this is just not acceptable.[code]However, using the mx::internal way to circumvent this behavior seems rather odd to me.Documentation about this is scarce as well, so any ideas will be very welcome.
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Mar 19, 2011
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Feb 12, 2009
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btn1ClickHandler function:
-------------------------
private function btn1ClickHandler(evt:MouseEvent):void
[code].......
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Sep 15, 2010
ok this seems to look like it should work.. but for some reason the Event.COMPLETE listener for the loader is not getting fired..
does anyone see something that I missed..
i put in trace statements in to see where its not getting to..
I verified this so far..
- the constructor function does appear to add the even listener to the loader.
- Unit3DPreview.load() function gets called (from the parent class) and receives the _path string properly..
- the loader does have an Event.COMPLETE listener at the time of the loader.load() call..
- the renderAnimation listener function never gets fired off.. even though the listener has been added..
there is no IO error.. the image is in the correct location.. I know this because if I remove it .. I get an IO error..
one thing is that there is an instance of this class already placed inside a library symbol that is associated to another class that passes a bunch of data .. the preview image path being one part of it.
not sure if having it be already existing vs me creating it via code would make a difference .. that is something I have not tried yet.
[Code].....
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Feb 25, 2010
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[Code]....
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[Code]....
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[Code]...
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parent class
____________
package classes {
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I have a rollOver event on a pop-up button in flex. I want that the menu is opened on rollover. But if the user accidentally goes with the mouse over the component the menu should not be displayed. So on rollOver I want to start a timer (wait for half second) and than check if the user is still on the pop-up button (rollOut was not fired).
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[code]...
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[Code].....
I been trying to send a true HTTP response a notice another thing, the second call is coming without waiting for the first call, if I am putting the response thread to short sleep(100 milliseconds in my test) then I am getting the second call before I been able to response for the first one.
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Jul 26, 2010
Flex 4 separates the visual components into the skins. So how do we access those visual elements from Skinnable component? Here is my code:
<?xml version="1.0" encoding="utf-8"?>
<s:SkinnableComponent xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" skinClass="skins.brushedSkin"
[code]......
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Nov 2, 2010
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private function loadSettings(name:String = "custom"):void
{
var gridName:String = this.stripUIDNumbers(this.uid);
var temp:Array = new Array;
[Code].....
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