Actionscript 3 :: Why Won't Visual Elements Display Inside Custom Component Extended From Another Custom Component
Sep 6, 2011
I created a custom MXML component, TurboContent, that extends the NavigatorContent class:
<s:NavigatorContent xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx">
[Code].....
In this case, the 'myButton' component never shows up, but all the elements of the base component do (3 buttons and a datagrid).
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Nov 14, 2010
have been working on an air app for quite some time and in one of my mx:lists i have a custom renderer written in pure AS (no mxml). it extends the listitemrenderer mx componenet. in it i have overrode the createChildren() function to add some children of my own.
now, fort right-to-left text i want in this itemrenderer, i would like to add a spark:TextArea component in this createChildren() function
is there a way to do so?
this is the itemRenderer:
import flash.text.TextField;
import mx.controls.listClasses.ListItemRenderer;
[Code].....
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Apr 1, 2010
Do you know how if you drag an <mx:Label> or <s:Label> component into your Flex project, when you go to design mode you get this panel on the right to set its properties like text etc.
I have a custom component that I can call with actionscript, or with mxml like this:
<comps:TheComp field1="OK" field2="Yes" />
The component takes this input and uses it for its internal operation
[Code]...
When I go to design mode, I can see the component under custom components, I can drag it to the stage and see it, but can't set its values field1 and field visually on the right like a normal <s:Label> or <mx:Label> would have. how I can add that? Do I need to make it inherit something or anything else
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May 29, 2009
I used a FlexBuilder Library Project to create a custom component library (swc). The custom component is a control bar with text fields and buttons, etc.The vast majority of our team's code is done in pure AS3 I've successfully included my new SWC in the lib and build path in our AS3 project.I've also successfully instatiated an instance of my custom component, but for some reason, it will not display. I know it exists, because 1) the compiler had no complaints, and 2) I can trace property values of the custom component and get valid output from the trace statement.
trainer.games.board.MatchThree {
import flash.display.Sprite;
public class Test extends Sprite{
[code].....
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Jun 25, 2011
"MyImage.as" File[code]...
i m having the blank white screen.. i new in flex & actionscript..
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Apr 14, 2012
I am creating a custom component in Flex with extends the BorderContainer class, and I would like to be able to place additional content within the tagset when I use it in my main application, like this:
<components:CustomComponent title="Hello">
<s:Label text="If you have one enter it below:"/>
<mx:Spacer height="15" />
[Code]....
This works just fine, except that my component definition had some additional things inside of it, such as a <s:Label/> and styling, which is replaced by the content within the tagset above when I go to use it.
If I do not put anything within the tagset, the content that was originally in the component is not replaced.
Is there a way that I can simply append additional content inside of the component when I go to use it, instead of it being replaced each time?
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Jul 12, 2011
I've created a component which is basically a meter (extends skinnable container). The skin to the component contains two rectangles (background and the actual meter). This component receives an arraycollection with the following fields value, max and min(the arraycollection I am passing is Bindable). When I initialize and pass the data to be used to draw It works great (keep in mind - only works the first time). I've created a button that changes the data array and shows the current meter value. Apparently the meter's value is changing everytime I modify the ArrayCollection I've set to be used for rendering.(dont want to say "dataProvider" because it is not a Flex dataprovider, just a variable )... here is the code...
public class meter extends SkinnableContainer {
[SkinPart( required = "true" )]
public var meter:spark.primitives.Rect;
[Code]....
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May 20, 2009
is there any way to put scroll of tree component in left side of component or creating a custom scrollbar for tree component
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Dec 11, 2010
In the main file, I would write[code]...
But if I want the component to have that behaviour innately, where do I write it in the mybutton mxml file to have it reference itself?[code]...
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Jun 22, 2011
I have a Custom Component that has a couple of Canvas with some background colors assigned to them. Now i have hard coded the colors, i want to move them to an external css file. So i would like to have the css declaration like this :
[Code]...
My question is if i can define custom style names like dividerRightColor and if so, how can i use that value inside my MXML Component? I have seen examples of using them inside Pure AS components.
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Sep 8, 2011
I have a custom Flex 4.5 component (to be used in a List) -
Game.mxml (represents a clickable playing table in a card game):
<?xml version="1.0" encoding="utf-8"?>
<s:ItemRenderer [code].......
But I never see the "game clicked: " trace. Does anybody please know why? I'm probably missing something minor, because I can see the "Clicked: 8946" trace.
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Feb 16, 2012
This is similar to the question asked here. I am dispatching custom event "ShopEvent" but i am getting error "Type Coercion failed: cannot convert flash.events::Event@81ecb79 to com.events.ShopEvent"Note: Error is thrown from the parent custom component (3rd code snippet), I have added more details thereThis is my custom event. See the first constant, I copy pasted the event name in custom components.
package com.events
{
import flash.events.Event;
[code]......
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Jan 16, 2009
I have created custom TreeItemRenderer in which i am trying to draw colored Hbox bar at each node except root. Intially when i click on root node it opens first child node with bar but when i open leaf node it does not showing bar and removing existing bard from other few child nodes. Its calling itemrenderer on mouseonver eventhough i have disabled.Attaching Code here
package Adodbe.renderers
{
import flash.display.DisplayObject;[code].....
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Nov 11, 2010
I'm building a top view 2D map, that it's objects are stored on the server.The kind of objects are 10 and might be a photo, label, button, lists, mix of them or labels with tooltips.The component must request the "areas" that are missing on screen.An area is 1000x1000 px and is cached in flex.To move in the map, will be like in google maps (drag-and-drop).I should be able to have another list and move objects from one to another using drag-an-drop on objects. Ex.: I grab an objects from a list and I move it on this map, I release the mouse button and the item is placed there.Now the problem is: I build a custom component for this trying to emulate the item renderer for performance and recyclage, implement drag-and-drop on objects and request the areas that are missing?
or
I extend the List component from spark and I add some features as multiple kind of itemrenderers and use recycle on them. Of course it must be able to request the missing areas on the screen and cache it's data.Maybe create a custom layout is needed too.What I need is something that must be really fluid, so the lighter this component is, the better.
UPDATE: *There will be not any object over another.
*I will not use hitTest on bitmaps because all bitmaps are wrapped in another component,as they,for now are itemrenderers.
Anyway I already begin to do this using a class that extends the SkinnableDataContainer and a custom layout. As the layout is not like a grid, is sparse, random items at diferent points(x, y).How to get the localX and localY, relative to item renderer and not to the Spark List, from a DragEvent in Flex 4?
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Dec 8, 2011
In my custom component (Login), I create and set a variable userName, it is bindable: [Bindable] private var userName:String; userName = txtUsername.text; I need to pass that variable to a different custom component (Overview), here is the code of the viewstack:
[Code]...
I've searched for a way, but I haven't found one that does the trick.
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Jul 31, 2010
i inserted a dateField component.on clicking it displays calender, i would like to add 2 comboboxes, i shows hours(0 to 23) other for minutes (0 to 59) to calender so tht the user can select the time along with the date and that wil be displayed in the text input as date and Time. one more thing i would like to add is clear button to clear the selected date to the calender.
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Mar 2, 2012
This is NOT duplicate of my earlier post (its is slightly different)But this is similar issue with similar error but its not the same error The error I am getting now is below while dispatching the custom event from my custom component
TypeError: Error #1034: Type Coercion failed: cannot convert events::MapEvent@a74ab51 to flash.events.MouseEvent.
dispatchEvent(new MapEvent(MapEvent.CLICKED_ON_MAP));
Note: The error in my earlier post is giving below error message
Type Coercion failed: cannot convert flash.events::Event@81ecb79 to com.events.ShopEvent
The difference here are two things, the earlier error is while converting flash event to custom event and now this one is while converting custom event to flash event and secondly, I have no clue why it is trying to convert to the mouseevent where I am just dispatching my custom event with proper listeners.
This is my custome event
package events
{
import flash.events.Event;
import ui.map.MapElement;
[code]...
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May 12, 2010
The spark panel component for example can be written like this
<Panel title="Skinny">
<child components ... />
<controlBarGroup>
<child control bar components ... />
</controlBarGroup>
[Code]...
The motivation here is that I can now create a couple different skin files to change the look and layout of those subgroups. Reading source of the spark panel, there are some calls within the mx_internal namespace such as getMXMLContent() which is a method of the spark group component, but which I have no access to.
Does the description above make sense? How can I create custom 'contentGroups' in my custom Flex4 component that can use nested mxml child components? Should I approach this a different way?
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Feb 24, 2009
I have a custom class I am working on, one of the methods is:[code]Inside that function a dynamic TextField is created called txtLoaded, it is declared with [code]mcProg is added to the stage, I see the txtLoaded txt field drawn as well and I can trace properties of mcProg from elsewhere in the class but I cannot access mcProg.txtLoaded from anywhere else in the class.I imagine this must be a scoping issue, with txtLoaded only existing inside the createProgress method, but is there any way for me to be able to access txtLoaded from elsewhere in the class?
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Jan 30, 2010
I have writen this SWC component. If I run a test FLA from the same folder where the AS class is, it works. But if I install the component in the components folder and try to instantiate it from somewhere else (any folder but the one where the AS class is) I get the following error: ArgumentError:Error #1063: Argument count mismatch on MyComponent. Expected 0, got 4.
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May 18, 2011
I've been trying to create a custom mxml component that extends another custom mxml component (i.e.MyMXMLComponent -> BaseMXMLComponent -> Group). I've been reading that trying to add visual children to MyMXMLComponent caused error with Flex 3 but that's no longer the case with Flex 4.
What I want to know is whether this is a supported/fixed/documented feature of Flex 4? or just some undefined behavior in Flex 4 that may get changed with future updates?
if this is supported and documented feature, does anyone have link pointing to adobe document stating it as such?
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Jun 3, 2009
I am creating a custom Component using ActionScript 3. This Component have some properties that can be changed in the Component Inspector, and in this component i create a text field to show a message that the user define in this panel.
So far, works ok. But i want to give a chance to the user choose a font type to this text field, i found in the Component Definition, a option called "Font Name", with this option, you can select a type of font to use.
The problem is to recover this font in my Class of the component. I try to use the Font Class, but it seems that this class was not created for this. My question is: What Class i have to use to recover the selected font from the Font Name option. I try this:
var newFont:Font = "Arial";
[Inspectable(name="Font name", type = Font, defaultValue = "Arial")] public function set corPreloader(fonte:Font) { newFont = fonte; } public function get corPreloader():uint { return newFont; }
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Jan 18, 2010
I'm in the process of creating a component for CS4 which uses a custom UI SWF in the component inspector. I read that the component inspector is being removed in CS5 and you will now access component properties in the properties panel. Will developers still be able to create a custom component UI in CS5?
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Jul 31, 2009
In my Main application I used label (like id=firstname) so we can use in main used firstname.text for databinding. But I have created canves custom component and load in main application using viewstack.In canves custom component how can I Bind label(id=firstname).I tried:var username:string = firstname.text but not show undefine firstname.How can I access all label and component in Main application to custom application.
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Nov 5, 2009
is there any way to create a custom css value for a component and have it available to the skin class that component is using? for example, if i define this in a css file:
[Code]....
is there a way to make myCustomValue available in the PanelSkin ?
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Jul 23, 2010
I'd like to add a progress bar to my image. The problem is that the image is in a custom component. In the Application, I make server call to get the pathway to the photo. I set photo1 in the Application. Please find below the custom component[code]...
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Sep 11, 2010
I'm just getting started with custom events in a custom component. And I don't quite have the hang of it, yet. I've got a component with a button in it. When it's clicked, I want to call a function in the main app.
Custom Component:
<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute" >
[code].....
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Oct 18, 2006
I'm trying to build a custom FLV preloader for the FLV PLayback component, but every thread refers to using the NetStream.bytesLoaded (non-component FLV command). What are you supposed to do when using the FLVPlayback component??I tried this - but it didn't work. myVideo is the FLVPlayback component.
Code:
myVideo.getBytesLoaded = loadedBytes;
myVideo.getBytesTotal = totalBytes;
[code]......
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Apr 7, 2009
Something I've always wanted to do was creating a custom component in Flash but havespecific parts of the component size appropriately based on, say, the video size.For go there and watch a video... they use the same component for all sizes of video. What seems to be changing is the video width and height, the progress bar width and the position of any status messages for the video.
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Dec 22, 2009
I'm making a UI for a component in Flash. I wanted to use Flex and have had no luck getting the onUpdate exernalInterface call to fire properly. I'm referencing the functionality described here: [URL]. First off, I can't embed the SWF in the FLA. It just won't start the Flex SWF. Even using the external swf, it seems that the onUpdate function is either called too early or not at all. Here's what I've tried:
Tying the externalInterfce declaration to the initialize, preinitialize, applicationComplete, and creationComplete events. Sub-classing my application and putting the externalInterface in the constructor. Neither of these options work. When I create a basic AS3 project in Eclipse and put the externalInferface in the constructor, it works as expected.
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