Flex :: Pass Events Between An Itemrenderer And Its Parent?
Jan 24, 2011
I have a spark list control whose data is rendered using an itemrenderer. Basically the Item renderer lays out the data within a Panel.
The Panel has a LinkButton, which when clicked needs to pass an Id to the parent application. In the parent application I have a function that dispatches a custom event to its parent. I want to know how to call this function from the ItemRenderer.
I tried using parentDocument.outerfunction etc but it throws an error..
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Feb 6, 2010
I want to call the parent function called "edit_groups()" from the itemRenderer. The code for my itemRenderer is:
<mx:VBox id="vbx_container" paddingBottom="4" paddingLeft="4" paddingRight="4" paddingTop="4" borderStyle="solid"
dropShadowEnabled="true" width="100%" height="100%" horizontalScrollPolicy="off" verticalScrollPolicy="off" >
<mx:Canvas width="100%" height="100%" horizontalScrollPolicy="off" verticalScrollPolicy="off" >
<mx:Image id="image" width="100" height="100" source="{data.thumb}" scaleContent="true" maintainAspectRatio="true"
complete="{image_smoothing_handler(event);}" trustContent="true" doubleClick="{Call The Parent Function"edit_groups()"}"/>
</mx:Canvas></mx:VBox>
And I call my itemRenderer from an application like:
list_groups_modify.itemRenderer=new ClassFactory(groups.list_groups_modify_item_renderer);
<mx:Label text="{data.label}" textAlign="center" maxWidth="60" toolTip="{data.label}"/>
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Jan 6, 2012
In an AdvancedDataGrid using an MXAdvancedDataGridItemRenderer, mouseover was not being passed on to the AdvancedDataGrid. After days of struggle, I wanted to share this: In your data setter, assign super.data with the new value for mouse events to be bubbled (?!)
[Code]....
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May 27, 2011
I have a Tree, which has an itemRenderer. On the itemRenderer, driven by the XML conditions, objects are created dynamically and added as a children to nodes. These new objects shall trigger an event handler ( some click events mostly ). How do I pass the event handler to the tree and later to the dynamically created new objects inside itemRendere?
Something like:
<mx:Tree x="534" y="49" newObjectsOnClick="newObjectsOnClickHandler">
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Jan 19, 2010
I would like to track the customer experience in downloading and initializing my flex app.
(a) Is there a way to pass data from preloader to the application? I would like to pass the time it takes to download and the time it takes to initialize.
(b)Alternatively: Is there an event at the application level that corresponds to the preloader events:
1. Download complete
2. Initialization complete (same as Application creationComplete)
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Feb 2, 2010
Inspired by this Flex question, is it seen as better practice to dispatch an event back to the parent app, as opposed to calling a method on the instance of the parent app, from within a module? To me it seems that the module shouldn't know what methods are available at the parent, as such approach leads to tight coupling.
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Jan 1, 2011
I have a parent w/ a popup child. When parent loads, I have to call a function within the popup without showing the popup (thus, I load "pupLove" but don't include it in layout)....I then pass this data to the parent. When the user manually clicks another button to open the popup, the same function is called & data passed to the parent. However, I am not able to pass dg.length to the parent. I believe the root problem is that I am loading "pupLove" & thus the parents are getting confused.....I'm guessing if I get rid of "pupLove" I can pass the data correctly but will need to call the child's function at creationComplete of the parent....how do I do that?Here's my parent:
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
[code].....
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Jul 28, 2010
In flex, I am handling event like this,
myImage.addEventListener(MouseEvent.CLICK, redoOperation);
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Aug 2, 2010
I am building a compartmentalized Flex application which uses <SWFLoader > to load additional Flex applications inside it. I am currently planning on using the LocalConnection class to have these two applications talk to each other, but I'm wondering if there's any kind of event driven way to have actions in the internal application propagate to the parent application, and/or any way for the parent application to trigger events in the internal application?
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Jun 21, 2011
If I need to call a specific function in the parent application from a child in a flex project, what's the best practice for this? Would it be to dispatch a custom event from the child and have a listener call that function? Or to directly call the function with FlexGlobals.topLevelApplication?
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Dec 12, 2011
I have a List which uses a an arrayCollection as dataprovider and an itemRenderer to display some things but how can i pass an extra variable to this itemRenderer?
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Nov 25, 2010
I have a custom item renderer that im using in a List. There is a CheckBox and a ColorPicker in the item renderer. I have created my own custom event classes for these two items and they are not bubbling their events.You can also click the item in the list, I have 3 listeners attached to the list, I don't want the list item handler firing when children of the list get clicked.[code]
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May 14, 2009
I'm creating a tree menu, and when you click a parent, it populates a MC inside that parent - children that you can also click on. The parent is a chapter and the child is a screen.clicking on the parent closes the children. clicking on the children should load a screen. But instead, when I click on a child, it acts as if I'm clicking on the parent.[code]
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Oct 4, 2010
So I'm working on a problem where I would like to stop a drag if the mouse button is released outside of the player window. In theory I should be able to use mouse_leave and mouse_up events, however these seem to be broken on Firefox and IE and dont fire at all outside of the browser. (Seems to work fine on Chrome and Macs...)
Anyway abandoning this approach I am trying to have a layer which sits on top of everything the size of the player and then detect roll_out on this.However I need a way to pass on all other mouse events to objects below it. Is this possible?
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Jan 30, 2009
If I use lockroot to keep a loaded movie clip from passing it's variable to the parent movie clip, how do I pass commands to the parent mc?[code]...
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Jul 15, 2009
In Move1.swf I am loading Movie2.swf like below:
ActionScript Code:
var myvalue:Number = 0;
var UploadLoad:Loader = new Loader();
UploadLoad.load(new URLRequest("Movie2.swf"));
UploadLoad.contentLoaderInfo.addEventListener(Event.COMPLETE, endNavListener);
function endNavListener(e:Event):void {
var UploadForm=MovieClip(UploadLoad.content);
stage.addChild(UploadForm);
UploadForm.x=0;
UploadForm.y=0;}
But I am having one variable in Movie1.swf which is called myvalue, I want to assign some value for myvalue from Movie2.swf. So I have coded like
ActionScript Code:
MovieClip(parent).myvalue = 100;
But the value is not passing ....
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Aug 25, 2009
I am making a game that uses MVC pattern. The game.swf is loaded into main.swf. I want to dispatch a gameOver event from the Model Class of the game.swf and have the main.swf(parent) listen for it but I can't get it to work.
I have game.swf dispatching events fine amongst itself just fine but I can't get the parent to hear anything.
I tried this in the main.swf
Code: Select allvar loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, completeHandler);
function gameOver(e:Event):void
{
[Code].....
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Sep 4, 2009
Is it possible to pass a mouse event as a method parameter in a function that is not a direct call to an event listener? [code]...
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May 3, 2009
HOW can I have a value shared between multiple classes? For example.
Code:
public var test:int = 3;
This works fine for the "main" class, but in the "animal" class, it can't access this variable. So if I wanted to set a rate of movement for an object, say animal, and I want to change it later in a different function, well, how? Any good guides to passing variables between functions and classes that are easy to understand? HOW can I pass values to ENTER_FRAME events, err...any events really. Example.
Code:
public class animal extends MovieClip{
public function animal(){
trace('crazy stuff happening');[code]....
Lets say I wanted to pass the Y value from the main class and not from within the animal function.
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Sep 8, 2009
I have made a piece of flash that runs on an xml document and now I need to pass a flash variable (via the html swfobject) to the flash to dictate this xml location. The variable is successfully passed if I embed the main swf straight into the swfobject.The problem is I am using a preloader swf to load the main swf onto the page and I can't seem to work out how to pass the variable (from swfobject) from the preloader to the main swf.
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Jul 10, 2009
Is it possible to pass a variable from child to parent movieclips. I can pass it from parent to child but not the other way around. I have a main movie which loads a child movie:
loadMovieNum("slides.swf",1);
I want to pass variable from slides.swf to the main movie. Is this possible?
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Jul 22, 2011
I have two swf, A.swf and B.swf: B.swf is a child of A.swf. Each swf has its DocumentClass. Now: I must pass 4 arrays from A.swf to the DocumentClass of B.swf. Which could be the best way? Is a listener in B.swf a good idea? I noticed there's the possibility to send data over the querystring but I would like to avoid this solution, if possible.
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Nov 10, 2011
Have two swf, A.swf and B.swf: B.swf is a child of A.swf.i want to access the variable of a.swf in b.swf.Is it Possible?
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Jun 21, 2011
This isn't an exact duplicate of AS3: add event listener to loaded swf, actually it seems to be a mirror situation with non-mirror solution..
I have a test flash file that registers its own listener at first frame's actions.
trace("it's going to be OK");
stage.addEventListener(KeyboardEvent.KEY_DOWN, aKey);
Unfortunately neither line works when .swf is loaded into another movie. Assuming that stage object is wrong for such situations, which object should be used to get listener?
Is it necessary to rewrite loader in parent swf, as said in the linked question?
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Dec 29, 2011
I have several sprites nested in containers. Let's say, that there are six containers (each represented by a Sprite) nested. I use the mouseChildren = false property on the container at depth 3, so the containers that lie deeper cannot receive mouse events. But still, I want that the container at depth 6 can receive mouse events
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Apr 5, 2010
There are many tutes on the web on how to make interface elements, such as drop down menus, or accordion menus. The example Menu Class includes all the event listeners and functions. It invariably ends with the CLICK event function tracing some comment so you know it works. But no information on how to implement the Menu Class. So say you have a Main Document Class that instantiates a Menu Class. How can you pass the CLICK event back to the Main Document Class to do something with it? As far as I can see, the Menu Class can build the menu but all the listeners and functions for it have to reside in the Main Document Class. Or do you have to build a custom Class that extends the Event Class?
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May 4, 2009
My problem is i had 2 swfs parent.swf and child .swf and i loaded the child.swf file in parent.swf using Loader class there is a textbox and a button in child.swf when we enter text in the textbox(say,notepanel_txt) and click on the button(say, mySubmit) the text present in textbox(notepanel_txt.text) is saved in the database using URLLoader and an variable called success(which is String type) must be available to parent. the code is as follows:
parent.fla
----------------
--------------blah... blah...
[code].....
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Sep 23, 2008
I have instantiated an instance of a class that performs a URLload action. When that is complete I want to pass the loaded value to a textfield within the parent object. How do I pass the value out of the instantiated object to the parent object's textfield ?
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Apr 29, 2010
Parent loads Child, and wants to pass text string to Child. How can Parent pass a string
to Child swf?
PARENT.SWF
//LOAD CHILD 'has a symbol on stage called LDR that CHILD loads into'
var loadCHILD:Loader = new Loader();
LDR.addChild(loadCHILD);
var bgURLTxt:URLRequest = new URLRequest("CHILD.swf");
[Code] .....
CHILD.SWF
'has DynamicTextfield called txtBuddy'
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Jun 19, 2009
I'm passing a number in my HTML through FlashVars to a swf, I load an external swf into that parent swf which needs the variable that I passed.
I can use the variable passed in the parent, but I just can't understand how to attain that value in the child swf.
I've been looking into dispatch event but it seems way overkill. Haven't seen any examples dealing with something so simple.
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