Actionscript 3 :: Finding Parent Of A Component?
Aug 3, 2011
In my application, I took a panel and to that I added an image by giving some image path. To that image I added DrawingArea(custom) object and started drawing. After free hand drawing I'm adding that to its parent(by giving this.addChild(graph);). Here this indicates what? What can I give instead of this(especially in case of removing a particular child)?
private function StartMarking(eve:MouseEvent):void
{
if (!eve.buttonDown)
[Code].....
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Similar Posts:
Feb 10, 2009
This is in AS3:
ActionScript Code:
itemPropertyX = event.target.parent.propertyX;
Simple enough code, works fine when the event.target.parent is the one that has .propertyX, but I'm using this as part of a function for use on various things, and not event.target is the same number of .parents from the .propertyX, so some of them need to be
ActionScript Code:
itemPropertyX = event.target.parent.parent.propertyX;
.. but I can't change the code or the ones that only need the one parent don't work, right?So.. how do I find the topmost parent? I tried using event.target.root but that comes out to be the stage every time.
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Aug 21, 2009
There is most certainly as easy way of doing this, but for the life of me I can't find it.
How do I determine the array name of an object i.e. when I hover over a certain clip on stage, I want to identify which array it is from.
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Aug 10, 2011
I'm trying to get the id of the target in showMe(). For example, when I click button or image panel's showMe() function executes first. Here I want to capture the button/image's id.
private function init():void
{
pnl.addEventListener(MouseEvent.MOUSE_DOWN,showMe);
}
[code]....
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Jun 23, 2010
I have a component that changes its location based on other elements. I'm trying to find its x and y position at different intervals, so I tried compname.x and compname.y.
The x position seems to be working, but the y position is always 0. I need to play with localToGlobal or contentToGlobal or one of those conversions.
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Feb 13, 2010
I have an elearning course, a .swf, that loads multiple .swfs as the user progresses through the course. At the end, there is a quiz.
The quiz.swf uses the radiobutton component. I have developed some custom skins to use on the radiobutton component. I have figured out that:
I have to add an instance of a radiobutton in the main .swf for the radiobuttons in the quiz .swf to show.I have to copy the radiobutton intance from the quiz swf library to the main swf library if I want my custom skins to show in the quiz swf While, this works fine. It is not practical. I want the quiz.swf to more modular. So I can pop it in to any course and not have to go back in and add the radiobutton skins to each course.
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Feb 6, 2010
I defined a simple event class:
public class NewMoveEvent extends Event
{
public function NewMoveEvent(type:String, bubbles:Boolean=true, cancelable:Boolean=true)
[code].....
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Sep 18, 2010
I have a public variable set within fx:Script tags in a parent component that I'd like to access directly from a child component. How can I do this? I don't want to pass the variable to the child component (I know how to do this and am currently using this approach). Following is a simplified version of the mxml:
Note: SimpleComp is an HBox with a couple of lists.
<mx:Accordion>
<comp:SimpleComp/>
</mx:Accordion>
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Aug 30, 2011
I have many buttons in HBox. Instead of disabling each button, I've disabled HBox. But I am able to click buttons even though the HBox is disabled. Disabling parent component will not make difference on its child? it shows like disabled but mouse events will generate.
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Oct 18, 2011
I need to drag the child component in the parent such a way that the child component can replace the place they have in parent. E.g. If I have a 3 button a,b,c inside a panel and need to movie the position of a,b,c with drag and drop the placement could be b, a, c or c, a, b and so on.
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Apr 19, 2010
note: all as3 is written in CS4 and compiled for flash 10.I have a parent movie that loads a separate standalone SWF movie. This standalone movie happens to use the ScrollPane component (fl.containers.ScrollPane), and it runs correctly when launched on it's own.When I attempt to have a Parent movie load the standalone SWF, i receive a run-time error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at fl.containers::ScrollPane/drawBackground()
at fl.containers::ScrollPane/draw()
at fl.core::UIComponent/callLaterDispatcher()
I understand that this error can be avoided by adding the ScrollPane component to the Parent Movie library. My question is why is this necessary? If the component is only used in the standalone SWF being loaded by the Loader class, why does the Parent movie require the component to be in the library as well?
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May 24, 2010
I've just started to work with DoubleClick Studio. I've successfully created a Flash expanding ad with CS4 that is mostly scripted and uses the Document class option. Now for some reason the back end of DoubleClick Studio thinks I've imported the Enabler component twice. I've checked my files numerous of times but can't find the root cause.
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Jan 28, 2011
In short: I need an event listener in a custom component so all its instances (without editing them) react at the same time, fired by a dispatched event in its parent container. In detail: I have a custom component with Tab navigator. (The tabs are intended to show different preferences for different Languages.) I have a button bar with buttons for all the languages. There are a lot of instances of the custom component.
I want to click in a button of the languages bar and get ALL the instances switched to the same tab (the custom component contains the logic to change the tab). I can do it by adding the event listener for EACH INSTANCE of the custom component, so it calls an internal function that changes the tab. But it seems to be very coupled, isn't it? I wonder if it can be done in the master CLASS of the component, so it listen for events in its parent container, whichever it is. In my mind this code shoud work, but it doesn't (obviously ill'use a custom event to pass the new language value): this.parent.addEventListener("lang_change", this.change_tab); This way I can just drop an instance of the component, and see it working for itself.
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Feb 5, 2010
[code]All clips are squared.Ok, on the PlayerPlane, there are little soldiers, which have hotkeys. The effect I'm trying to create is I want to position the GameStage so that the currently selected soldier appears in the center of the GameClicker clip.The GameStage is movable by the player (to scan other areas of the map)by holding the CTRL key, so it's easy to kinda lose track of where your players are.I have tried using localTo Global and globalToLocal techniques, but I think I'm lost on the actual math of getting the GameStage to move the correct distance so that the selected soldier is centered to the GameClicker.[code]
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Jan 3, 2010
I got a "preloader" that creates an movieclip and loads an SWF. Now in the loaded SWF i want a close button to go back to the "preloader". The preloader isn't an actuall preloader but some sort of mainclip.Now i tried this:removeChild(MovieClip(e.currentTarget).parent.pare nt.parent)But i get error:ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller.at flash.display::DisplayObjectContainer/removeChild()at MethodInfo-6()
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Mar 1, 2010
I have following problem:
Code:
title_txt = new TextInput( );
title_txt.setSize( 100, 20 );
[code]....
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Jan 19, 2011
I'm beginner in Flex 4. I'm trying to pop up a Flex WindowTitle custom component, and after the user choose some values, the parent window must be refreshed.I'm showing the modal window, the user can't interact with other components, but the problem I detect is the execution of the program flows, even I choosing to show the Input window as modal, the next methods to refresh the page is called before the user close the modal page. I don't know if flex or ActionScript works different from Java, where I used to code. see the comments on the code example:
<fx:Script>
<![CDATA[
import mx.controls.Alert;
[code].....
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Jul 10, 2009
I'm currently making a platform game and when the player shoots i want to add the bullets to the stage. The players gun class is in charge of adding bullets. The "players gun" is a child of "players gun holder" which is a child of "player" which is a child of the stage. is there a better or more dynamic way for the "players gun" to add bullets to the stage rather than using parent.parent.parent.addChild (bullet);
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Sep 11, 2010
if I add a clip to the stage as a child and remove the parent and set the parent equal to null, does the child get collected and removed from memory? What if the child has an image loaded into it as its child?
In my application I'm loading a series of png images as overlays that can be tinted for customizing in this app. When I trace my memory, the basic app idles at 64,000 k. The exact second I load those overlay images it goes up to 205,000k. If I remove those clips and "clear" the stage I should go back down to 64,000 k if everything is removed and collected correctly, right? It's not, it's hanging at 215,000 k. Are my images being cached and that is the reason for the memory staying up? If so, how do I prevent that. Or upon removing the parent of the image how can I un-cache the image.
If a user switches between models and loads several different items then the application actually crashes the Flash environment because of too much memory usage. It also does the same to browsers.
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Mar 15, 2011
I am trying to access a function that is on my document class for my AS3 project, from a nested class. That is, the Document Class calls Class A which then calls Class B. So I am trying to access a function from Class B, I am trying to use MovieClip(parent).function(); but I am getting error 1120. The MovieClip(parent) (fixed to reflect my document class, etc) works when I try it from other classes but not from this nested class.
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Nov 13, 2010
Simple drag and drop application where mc is dragged out of one parent mc and dropped into another parent mc.All works OK until I added 2 text boxes to the mc's -- one is a non-selectable dynamic text box (a label) which is set by the code, the other is selectable input text that the user can amend.
Finger cursor disappears when user hovers over the section of the mc that contains the text fields (even non-selectable text??) When the user trys to drag the mc by inadvertantly click-dragging anywhere within both text areas it causes this error: TypeError: Error #1034: Type Coercion failed: cannot convert flash.text::TextField@2374a381 to flash.display. MovieClip (same error appears for both text boxes)
The input text box may confuse the user - how do they sometimes click to drag and sometimes click to amend? I need to create an overlay area within the mc that is click-detected for the drag? Here's the relevant bits of code:
var itemArray:Array = [
{iname:"police",ititle:"POLICE OFFICER"},
{iname:"insurance_assessor",ititle:"INSURANCE ASSESSOR"},[code].............
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Nov 11, 2009
I have a parent swf which loads many child swfs (though only one is displayed at a time). My intention was to use the loaded SWFs document class to retrieve an array of objects to be assigned a tab index, combine this with the parent's own array of objects and apply sequential tab indices to them all. But what happens is actually that the parent's objects are assigned an index, but the external swf is unaffected. In fact, the external swf retains its automatic tab indexing, when I would expect that having set a value for InteractiveObject.tabIndex, automatic tab indexing would be disabled.
I've seen similar tales elsewhere. Most posts I've read are wanting to load an external swf, give it focus and loop through those objects, then close the swf and return to looping through the parent. However I would like loop through all objects as one. including manipulating the focus manager(s), and basically fiddling with every tab-related property I know.
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Dec 10, 2009
I've struggled with this for a long time and have thrown in the towel. How the heck do you climb the ladder, then go back down again into another clip?
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Jun 2, 2011
I have been using:
yourbutton.addEventListener(MouseEvent.CLICK,f);
function f(e:Event):void{
Loader(this.parent).load(new URLRequest("newswf.swf"));
}
which was suggested to me in a different post to target the parent loader class, however i now no longer can reference my preloader in the parent swf (extract from the parent swf):
[Code]...
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Sep 29, 2011
trying to on mouse over set the parent of the moused over text field to the highest depth child of its parent i tried both of these: [code] private function
[Code]...
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Jun 23, 2011
I have a component "child" which has a cancel button. Now this component is placed in a state called "newChildComp" I also have another component called "parent". In the parent component, i have a button that dispatches an event. Here is the event code:
[Code].....
so, basically,i am checking to see if the cancel button component in the Child component, while i am still in the parent Compoent, was clicked, if it was clicked, call the cancelButtonHandler. The problem is by the time the addNewChild handles the event, that cancel button was still null. My question is how do i solve this without using the itemCreationPolicy on the cancel button?
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Nov 7, 2011
i want to pass the variable from parent to child .How Can i pass the Variable.Here i paste my code.
My Parent Class
public class PlayerStrobe_domaincheck extends Sprite
{
private var myService:NetConnection = new NetConnection();
private var _loader:Loader;
[Code]....
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Mar 16, 2010
I cannot use the following in my ActionScript due to conflicts with the host application:
_level0
_root
_parent references
On a pop-up box I have a close button with an absolute reference: closeBtn.onRelease = function{ unloadMovie("_level0.Page_1.holderBox");} Is there another way to make this work without using _level0 or _parent? I've read that it is possible to use a global variable on the main timeline and ref that, but cannot get that to work.
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Aug 24, 2010
I am trying to make a calculator where a user can select from a list of items. If a user clicks say "ITEM1", it should add the item to a "CONTAINER_MC". The problem i have is all my data is set inside an array containing names and prices like the code below.
[Code]...
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Oct 6, 2010
Here is a working script to drag drop a ball from the stage into another target mc:
ball.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
stage.addEventListener(MouseEvent.MOUSE_UP, dropIt);
function pickUp(event:MouseEvent):void{ [code]...
It works well but I'm new to AS3 and I am having difficulty amending this script to drag the ball out of a parent mc (instead of the stage) and onto another mc (the target mc). To explain: imagine a ball, a box, a tri, + more shapes all within a scrolling mc (initial parent), the user scrolls to select a shape, then drag-drops onto a target mc on the stage.The scrolling is no problem, but how would you amend the script above so that the ball can start inside a parent mc rather than on the stage itself?
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