Flex :: UIComponent Click Handler?
May 27, 2010
I'm trying to put a label and an image on a UIComponent, side-by-side. I want to use UIComponent for efficiency reasons, and the entire component is more complicated than just a button with an icon.
I'm trying to get a click handler on ther entire UIComponent so that when a click happens on either the label or the image, the same [click] event handler is called. If I add a click handler on the root component, it works, but when I introduce space between the label and the image, the space between them becomes un-clickable. I produce the space by using the move(x,y) method for the label and the image with a small gap between the x/y coordinates.
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Jan 29, 2010
I want to get this to work:
private function frigganWork(event:MouseEvent):void
{
trace("WTF?");
navigateToURL(new URLRequest("http://stackoverflow.com/questions/ask"), "_self");
}
but I get an error: "Call to possibly undefined method frigganWork."
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May 21, 2010
I am new to Flex. What I am looking for here is adding a click handler on all the items created by a SkinnableDataContainer. I tried several things that didn't work, and I have no idea what is the right way to do it.
<s:SkinnableDataContainer id="teamList" itemRenderer="TeamSummaryRenderer">
<s:dataProvider><s:ArrayList>
<fx:Object teamName="A super team 1"/>
<fx:Object teamName="A super team 2"/>
<fx:Object teamName="A super team 3"/>
</s:ArrayList></s:dataProvider>
</s:SkinnableDataContainer>
Furthermore, I don't want to declare the handler in my custom TeamSummaryRenderer component. I would prefer that the handler code stays at application level.
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Oct 23, 2009
I have some images I would like to display in TileList in Flex. My TileList dimensions are 2 columns by n rows. What I want to do is to display the first item (row 1, column 1) empty and not clickable, and to start displaying my items from row 1, column 2.I also wonder when I create click event for the same TileList, is there a way get an index of clicked element?
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Mar 15, 2010
add a click event handler to the vertical axis (or any axis) of a barchart in flex? If I add the handler to the BarChart itself, it looks as though the event doesn't fire unless you click on the actual chart, not the axes.
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Aug 16, 2010
I have a button labeled 'blueButton' and I'd like to use an anonymous function to handle the click, like so:
blueButton.addEventListener(MouseEvent.CLICK, function(event:MouseEvent):void {
trace( "-----click detected-----" );
// now do other stuff
});
Problem is, the click handler is called multiple times per click. The number of times called seems to be random (sometimes 2, sometimes 4, sometimes 3 etc). could I be missing something in my code, or maybe I set up the button wrong?
also I noticed that it seems to always get called once on the first click. After the first click is when it starts getting called additional times, maybe that has something to do with it?
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Oct 10, 2011
I have a UIComponent that sits on top of a grid visually, which is also a UIComponent. The grid and the UIComponent that sits on top are on different branches. The gird has children which are Sprites. When the MousEvent.CLICK is dispatched it goes to the UIComponent on top. What I want it to do is go the element of the grid underneath. Is this possible?
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Aug 18, 2009
I have 1 class (that is extending a UIcomponent) that is representing a component. In that component I create different instances of another class that is also a UIComponent but this class doesn't show up in de first class. I see that it is running and that it has the correct hights but I got the feeling that it doesn't show up with this hights. If I trace I see the width and height is 200 X 200 but there is still nothing visible in my component.
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Aug 24, 2010
I've got a bar chart with some elements.values as this:
[Code]...
This doesn't work, although the openflashchart doc says Each dot can have its own on click event. and Don't forget that all charts can have on click events
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Feb 11, 2011
I'm trying to start a function from within a click handler that is being triggered when I load some XML, just like this:
Code:
function LoadSomeXML(e:Event):void {
thumbContainer_mc.addEventListener(MouseEvent.CLICK, thumbClick);
} function thumbClick(event:MouseEvent):void {
startImgSlider();
} function startImgSlider():void {
trace("ok, now you reached 'startImgSlider()' function !!!");
}
The problem is that I cannot reach the startImgSlider() function with the code above. How to do it right. Has something to do with the scopes?
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Nov 25, 2011
It used to happen in AS2.0 as follows :
my_Mc.onPress = function()
{
trace( this)
}
//output :
[my_Mc Movieclip]
[Code]...
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Nov 4, 2009
Is there an event that is dispatched when a text input gets clicked (i.e. to add text), but not after text has been added, simply when it is clicked? It won't have changed, and text won't have been entered.
[Code]...
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May 29, 2009
I need a few pointers on how to create multiple buttons programmatically with different event handlers, or rather: differently parametrized event handlers. My real use is a bit more complex, but it comes down to this: I need a button that can delete itself upon getting clicked.
var Buttons:Vector.<Button> = new Vector.<Button>;
var newButton = new Button;
var int = Buttons.push(newButton);
[code].....
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Dec 31, 2009
I am looking for a way to programmatically dissassoicate the click handler function from a button on my mxml component through actionscript code.
Something like what older actionscript let you do,
mybutton.click = null;
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Oct 9, 2009
I am new to Flash/Flex. I would like to use a Component I created in Flash extending fl.core.UIComponent. How do I use this in Flex? Do I just export it as a swc or do I have to use the Flash Flex 3 kit which will convert it to a UIMovieClip. That does not sound right.
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May 19, 2009
I am trying to understand the interaction between Flex UIComponents and (Flash?) DisplayObjects... But it's not clear to me what the UIComponent class "adds" to DisplayObject. So, what can a UIComponent do that a DisplayObject cannot?
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Jan 20, 2011
I have a couple of Sprites on my screen and I want to write a single event handler to handle the double click on any of those Sprites. The following approach works for every event type except DOUBLE_CLICK:
[Code]...
To make it work, because in my application I will have lots of Sprites. In my opinion, a single event and the target property are more efficient than hundreds of event listeners. Am I right or should add event listeners to every Sprite?
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Feb 23, 2010
I've created a AS3 class which extends UIComponent so that I can easily add it to my MXML layout. It works fine, but I'm trying to figure out how to update the UIComponent width and height dynamically. I want my super UIComponent to draw a border around the content, so I need get the specific 'content' dimensions in order to do this.
I understand the idea of UIComponent is that you are supposed to specifically set the width and height... but I am literally only extending it so that I am able to use my custom component with MXML easily.Is there a method in which I can get the width and height of a UIComponents 'content'?
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May 23, 2010
What is the difference between a UIComponent and a Sprite in Flex.
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Aug 29, 2010
I'm using the ravis FusionWidgets component in flex to create guages.I have a problem to change a guage in my program.I build an mxml component with the guage like this:"ns1:FusionWidgets id="myGuage" width="{guageWidth}" height="{guageHeight}" FCChartType="{guageType}" FCDataXML="{guageXML}" y="0" x="0"/"when the guageType and the guageXML is the bindable data providers.when I place this component in first time, the providers don't contain nothing and i let the user to change them in my flex application.the problem is that when the user change them, the guage doesn't update itself.I know that when I change a bindable data provider, the component must be changed.
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Oct 22, 2010
i am trying to add a uicomponent which contains an object of a custom class the extends UIcomponents and i want to display this uicomponent to canvas i have done no error compile or run time but it does not display the Uicomponent.
here is code;
var item:RecordRanderer = new RecordRanderer();
item.randerItem(child);
item.x=20;
[Code]....
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Nov 10, 2010
What is the nonInheritingStyles property for on the UIComponent?
Is this a list of styles that the component does not inherit from the container?
Or is this a list of styles that have been set inline or in code so the component is just telling me that they are NOT inheriting from the container?
If it's the first why are their values set for this properties?
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Apr 15, 2011
i want to add UIComponent inside a spite. here is the code:
private function make() : void {
var circle : Sprite = new Sprite();
circle.graphics.beginFill(0xFF0000, 0.2);[code]......
the problem is that button is added, but is not displayed. if i do reversed - add sprite to uicomponent - everything works fine, but this way it doesn't work. i tried to use invalidate functions for button etc... even tried making "circle" as UIMovieClip, but no luck - button is still invisible. also if i simply do "addChild( button );" - it is shown,how can i add a button inside a sprite?
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Oct 10, 2009
For developing simple games with the Flex SDK, what are the consequences of using a Canvas object, versus a UIComponent object, as a drawing surface? Are there performance issues with either one? Are the methods generally the same? Searching around, it seems that most sample code I've found uses UIComponent. Is this just customary, or are there reasons?
I already know one odd difference - I had developed a simple Pong game using:
public class MyGameCanvas extends UIComponent
and then decided to replace UIComponent with Canvas. This caused the line to fail:
[Code]...
However, I have to confirm something, being new to Flex and the various terminology. I'm presuming that people mean I should not be using MXML for games, when they said Flex SDK. Since I thought the Flex SDK was what provided the compiler that generates .swf files. Otherwise, where/how would I even compile AS3?
Assuming that's the case, then my question would be about the suitability of using both MXML and AS3 for (simple) games. Based on what I've read about both, it seemed like the intended use of them was MXML for the interface elements, and AS3 for everything else. Is the overhead that bad for MXML?
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Jan 4, 2010
I have a BaseComponentClass that I am using as the class that all my custom components extend.For some reason, none of my custom components show up at runtime. I am not getting any compile or runtime errors either.I am implementing all the protected UIComponent methods.[code]The Button never shows up at runtime.
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Mar 9, 2010
I have a NumericStepper declared as a UIComponent:
<![CDATA[
private var component:UIComponent;
component = new NumericStepper();
]]>
I need to change the .maximum value of the NumericStepper but due to the UIComponent not having a .maximum property the following code fails with the error: 1119: Access of possibly undefined property maximum through a reference with static type mx.core:UIComponent.
component.maximum = 11;
how would I define a property in this scenario?
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Apr 8, 2010
I currently am trying to add a custom class which subclasses UIComponent to both a tree and a canvas, but when I try to re-order the tree by dragging I get this error:[code]When I do not add the UIComponent to the canvas, this error does not occur, anyone have any knowledge as to why this happens?
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Aug 3, 2010
Extremely frustrated with this. I've created a simple class that extends the UIComponent. I create an instance of this class in a parent class and utilise the 'addChild' method to add it to the parent. I've overridden the 'updateDisplayList' method of the extended UIComponent to add my own drawing routine using the 'graphics' object.
My problem occurs when I start attempt to change any of the following properties (x , y , width, height) either directly or using 'move' or 'setActualSize' because the UIComponent will no longer display - prior to changing any of these properties the object displays fine. I know the object is still there, the 'updateDisplayList' method is still being called (as I'm calling 'invalidateDisplayList' after each change) and it correctly reports the changes.
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Aug 10, 2010
I'm trying to drag an item from a datagrid and drop it onto a UIComponet. Basically I just want the UIComponent to know that something has been dropped onto it and allow it to access the data of the dropped item.
I thought just listening for the drop event would do it but it seems not.
I found lots of documentation on dragging from one IList to another but nothing for this.
<mx:UIComponent xmlns:mx="http://www.adobe.com/2006/mxml"
initialize="init(event)" dragDrop="itemDropped(event)">
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Apr 18, 2011
I added a MXML component in flex and selected the base as UIComponent. I want to make it accessible so that automated testing tools can Access it. I am using TestComplete for automated testing. As TestComplete uses Microsoft Accessibility classes. Now it treat my component as the Graphics.
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