Flex - Invisible Components And Events?
Nov 29, 2010
I have Flex 4 application in which I have one component as top layer which displays something like tooltips, basically user sees "presentation" which explains usage and meaning of the tools "below", sliders, checkboxes, text fields etc. I made this "presentation" using sequences so first tooltip is visible, then becomes invisible, second is visible etc.
I tried to disable mouseChildren, mouseEnabled and other possible parameters which would disable those tooltips from preventing user clicking on some button or checkbox. Obviously those components which render tooltips even tough invisible, are still "clickable".
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Apr 15, 2012
I'm trapping keyboard events on the stage and dispatching custom events through a framework (Mate, though I don't know that this is an important issue), but I'm pretty confused by the scope. The structure is:application (traps keyboard events and dispatches custom event mainPanel (receives dispatched events but mainCalendar (a child element) is null on debugging. Obviously if I try to call a public method on mainCalendar it errors out, even though it's a child of mainPanel. However, mainCalendar is NOT null IF I use FlexGlobals.topLevelApplication.mainPanel.mainCalendar. Outerdocument and parentDocument do not expose mainCalendar either, BTW mainCalendar (a custom component inside mainPanel with public methods. Creation policy is 'all' and it's visible and exists long before I trap any keystrokes at the top level)Could someone take a minute and explain why the mainCalendar is out of scope when mainPanel receives a custom event, even though mainCalendar is a child of mainPanel. Is there a better way to manage the events so I don't have to always address the component via the topLevelApplication?
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Jan 11, 2010
I am using a custom component within another custom component in a flex mxml application file.Is it possible to bubble events from an inner component to the outer component and handle events in the outer component?
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Apr 6, 2010
I'm new to Flex and am having trouble understanding Events. I think Events are what I want to use for my situation. I have 2 components, addUser.mxml and listUsers.mxml. I access these from a ViewStack in my main application. When I load listUsers.mxml it shows a list of current users in a datagrid via a HTTPService call. When I add a user using the form on addUser.mxml I would like the datagrid in listUsers.mxml to refresh when I return to that view to show the new user. I've tried several different things with addEventListener and dispatchEvent but can't seem to get it working. Can someone help me with this logic?
[Code]...
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Dec 2, 2011
I have a banner with big invisible button covering the stage and underneath it I have movieclips which must respond to mouse events. But I can't get through invisible button. I only get button events and cant interact with movieclips underneath it. Here's simple code:
invisibleBtn.addEventListener(MouseEvent.CLICK, onTopClick);
bottomMc.addEventListener(MouseEvent.MOUSE_OVER, onBottomOver);
function onTopClick(e:MouseEvent):void{
[Code]....
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Nov 30, 2010
We are building an interface for a game. The interface has a tabbed menu at the bottom of the screen, with each tab displaying different aspects of an object (called a node). When you click on one of these parts, it becomes the focus, and we download it's details in XML, including all it's sub-nodes and parent nodes and then update the tab display accordingly, or at least that's what we'd like to happen.
What we have:
MainInterface.mxml
<s:Application...
<fx:Script>
<![CDATA[
public var currentNode:Node = new Node();
[Code] .....
We tried adding an event listener for "selectNode" to the dashBoard:SkinnableContainer you see see above, but it didn't seem to want to take. We suspect this is because dashBoard is from a spark component and the dispatcher for "selectNode" is on of our own custom components, but we weren't sure... in any case that's what the code assist seemed to indicate as we had to write it in by hand. We're not sure how to pick up the Events in FlashBuilder 4's debugger, so we're having trouble working out where it's going wrong.
Basically, when someone clicks on the label of a child or parent node (that is displayed by the itemRenderer), we want a URLRequest sent to our website, with the url specific to the node clicked on. We then want a URLLoader listening for the return which will update public variable 'currentNode' when xmlDownloaded is called by the loader. If you could clarify how the click event should be dispatched, what should be listening for it then sending the URLRequest and where the URLLoader that is listening for the xml data to return should be that would solve our problems.
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Aug 22, 2010
Do you know any flex component with the functionality such as horizontally collapsible window or panel I found arc90, but it folds vertically.
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Sep 8, 2009
I am created a dynamically adding a VBox, that contains two images. Into a Custom Component that is derived from UIComponent. The problem is the Vbox that contains the two image is only a really tiny size. I would like the VBox stretch to the size of the two images. This is how I am creating the Vbox....
[Code]...
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Jun 22, 2009
I'm building an object oriented project with liquid layout in a loose MVC framework. My controller knows when the stage is resized, and it needs a way to tell all of the display objects to rearrange themselves appropriately when the stage resizes.
Option 1 would be extending the sprite class with a class that has one additional resize() function. On initializing the class it would register itself with the controller which would then noitfy all of the assets when it detects a stage resize.
Option 2 would be building some sort of global event that any child of the stage could listen for and do its thing when the event comes through.
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Jun 27, 2011
I'm creating a swf, that has a parent class and a child class. The parent class has a button, that dispatches a custom event and I want the child class to list for this event, but when I dispatch the event the child class does not hear the event has been dispatched.[code]The register EventListeners() function is in the child class.I know events can bubble up the display list but how can then go down the list?
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Sep 15, 2010
Is it bad practice/design to nest components inside components using Flex 4? Should I simply be creating components and inserting them into my main application as below, or doesn't it matter?
<com:MyComp1>
<com:MyComp2>
<com:MyComp3>
[code]....
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Aug 2, 2010
I stumbled upon and interesting problem concerning spark's VideoDisplay-Component. It seems that it doesn't dispatch DoubleClick-Events. For better understanding look at the following code:
[Code]....
The Click-Event works for both components. But the DoubleClick-Event is only handled by the Panel-Component.
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Aug 27, 2004
Is it possible to create a invisible mc with in 2 other invisible mc's and if so would there be any complications. Im trying to do something similar and it gets to the second layer but then doesnt want to load the third inv-mc. Like loading an external swf to a container mc then in that same mc have another external load and then another.
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Aug 25, 2010
LinkeSetFx has its own CollectionEvent, but I don't know how to map the LinkedSetFx event to mx.events.collectionEvent(I want use it in ComboBox). LinkedSetFx is in AS3Commons-collection framework.Here is the url, choose the as3commons-collections-1.0.0.zip, you'll find LinkedSetFx in srcorgas3commonscollectionsfx
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Oct 6, 2010
I've got a few HBoxes with buttons in them. I programmatically make certain buttons invisible. At a certain point, all of the buttons should be invisible. How can I tell when all of the buttons are invisible? What's the easiest way of doing so?
[Code]...
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Sep 1, 2011
I'm using Adobe FLEX 4.5.1 for Mobile.I have a List that displays some images:
<s:List id="imageList" initialize="init()" verticalScrollPolicy="off" itemRenderer="skins.CustomIconItemRenderer" width="100" height="32" verticalCenter="0" horizontalCenter="0">
[code]......
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Nov 20, 2011
So there's been a new "feature" in the flash player since version 10.1, which reduces the player's framerate to 2 fps when the application window is out of view. This is good news for performance, but it can break some functionality, such as the Timer class.
I have an application which uses a Timer to display a countdown. Given the nature of the application, it is required for the Timer to complete its countdown even if the user is not there to see it. Imagine that you need to give the user only 10 seconds to perform a task. If the user minimizes the window halfway through the counter, they can take as much time as they want and still have 5 seconds left when they return to the window. This apparently can not be avoided with the newer flash players.
In Air applications there is the backgroundFrameRate property which can be set to prevent this behavior, but this is part of the WindowedApplication class, so it seems that it is not available in a web application. Does anyone know a way to keep a constant frame rate even when the window is not visible?
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Aug 10, 2011
I've been searching for the last couple days but can't seem to find a basic example of what I'm looking for. I'm developing a Flex 4.5 app and in it I have a viewstack of 2 components that use some of the same services. Currently the only way I can get the app to correctly use the web services is by defining 2 different web services that use the same PHP web service file. For example: I have an app, and within it I have a viewstack with tab navigation of 2 components: #1) retrieve a list of all Salary Employees, and #2) retrieve a list of all Contractors. Currently to get it working I am defining a UsersTableEmployees webservice within component #1 and a UsersTableContractors webservice within component #2, but they both point to the same PHP class, and only differ in the arugment value I pass to them. Ie, getUsers("employee") and getUsers ("contractors"). Of course this is not best practice.
Searching StackOverflow and Google gives me many results about ColdFusion and MVC (example What's the best way to share data between components in Flex?), but I'm still confused. Can anyone here point me to a basic example (even sample MVC) and source code of an app that uses Zend AMF and allows different components to call common web services?
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Nov 25, 2011
I want to create a custom component library. the components are customize-able during creation time. means like Accordion or TabNavigator, when we drag and drop the Accordion in flash builder it
<mx:Accordion x="38" y="167" width="200" height="200">
<s:NavigatorContent width="100%" height="100%" label="Accordion Pane 1">
</s:NavigatorContent>
[code]....
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Nov 8, 2009
I'd like to make a series of components into a solid, consistently repeatable object. For example, suppose I have a "notification" template that I want to add to a notifications area every time something new happens. This template includes an icon (Image), text (label), and some space between these two things.
I want to take a template like that and make it so I can invoke it with a function like add_notification("icon", "text"). How would I go about doing that?
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Sep 14, 2010
What is the right way for integrating a Flash component into a Flex application? I heard that there are different ways of integration between Flash and Flex: using SWF, using SWC (something else?). What are theirs pros and cons? What are the points of communication between them Flash and Flex? `I'm using Flash Builder 4 for developing Flex. And Flash Professional CS 5 for developing Flash.
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May 8, 2011
how i can use actionscript component code in mmxl components,as in actionscript components we use classes ,but in mmxl component we can not use classes function, so how i can use actionscript component code in mmxl component
[Code]...
but i cant use this code in mmxl components how i can use public class DialogTitle extends HBox implements IBindingClient in mmxl component code,what are the way to use it,sorry i am newbie if it is silly question
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Jul 28, 2009
I have a dozen different custom components in my flex app. I want to use an external xml config file to load the components at run-tine. Can someone tell me whats the best way to architect this? I want to load these components and add dataProviders and event liseners to them at runtime.
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Feb 18, 2010
<mx:Repeater id="rep" dataProvider="{headingData.component}">
<mx:HBox id="panel" label="{rep.currentItem.title}"
width="100%" height="100%">
[Code]....
When i am not placing it under a repeater tag, the components are created from XML, but if i do then the components are not getting created.
<components type="array">
<component type="mx.controls::ComboBox" title="Title One" description="Lorem Ipsum
is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
" width="230" height="220">
<link linkname="Option one"/>
<link linkname="Option Two"/>
</component>
<component type="mx.controls::RadioButton" title="Title Two" width="230" description="Lorem Ipsum
is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like AldusPageMaker including versions of Lorem Ipsum.">
<link linkname="Option one"/>
<link linkname="Option Two"/>
</component>
[code]....
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Apr 3, 2010
so I am trying to drag around some images in a canvas. I am adding eventlisteners to the components and calling startDrag() and stopDrag() to pick them up and stuff:
component.addEventListener(MouseEvent.MOUSE_DOWN, component.startDrag)
The problem is that it is selecting the image at its (0,0) location and not where I initially click on it. So there's a sudden "jump" when I click on the image. It is not smooth.
I noticed that startDrag() has two default parameters, one of them is lockCenter and it is default to false. Maybe do I set it equal to true somehow? (I don't know how to pass arguments to my second parameter in addeventlistener)
Another question: if I want to add more conditions to it, like make a new function that uses component.startDrag(), how do I pass the component to this function while adding event listener to it at the same time? for example: I want to do:
component.addEventListener(MouseEvent.MOUSE_DOWN, some_other_function);
where some_other_function uses component.startDrag();
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Jan 16, 2011
I have a component
<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="16" height="16" >
<mx:Script>
[code]....
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Sep 20, 2011
I am trying to wrap some text with a component but can not figure out how to align them correctly. Here is what I am looking for:If you have not entered your credentials, enter your credentials by clicking Set Credentials.
The "If you have not entered your credentials, enter your credentials by clicking" is a string.The "Set Credentials" is a button so it can be clicked by the user.I tried putting the string in a textarea which wrapped the text but could not get the button to horizontally align with the text. I also tried adding them both with Tile, then I do not get proper wrapping.
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Sep 29, 2011
I am using IFrame and adding it dynamically, and it hides a new Alert.show and a previously made TitleWindow.How do I arrange it to go back or to make that Alert or window on top of all ?
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Apr 30, 2009
How to load flex components through xml?
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Apr 30, 2009
How to load flex components using XML. The scenario is simple as like this, i need three buttons to appear in my panel, but the option true or false whether to appear should be in xml.
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