Actionscript 3 :: Flex 3 : Determine If Scroll Panel Child Is Visible?
Jan 11, 2010
Let's say I have a canvas with a fixed height and a vertical scroll bar. And the canvas has 10 children in a vertical line (like a VBox) whose combined height exceeds the height of the canvas. Based on the scroll bar position, only some of the children will be visible at a time.Is it possible to determine which children are actually visible? Or whether or not a specific child is visible on screen?
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Mar 10, 2010
var viewStack:ViewStack = new ViewStack();
viewStack.percentWidth = 100;
viewStack.percentHeight = 100;
[Code]....
Its only displaying canVas3 contents not canVas1 and canVas2
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Feb 12, 2010
And i have a requirement like, if i change the resolution of the computer, all the panel's in my applcition are auto setted to particular resolution by defaultly. but it should not happened like this.If resolution changed, the scrollBar comes into the picture for panelFor example, I have set the resolution in 1280*1024, so now the panel scrollBar not visible And as per my requirement, i need to check the resolution in 800*600 .But now the panel is automatically reset to this resolution.But i need a scroll bar for the panel when we change the resolution to 800*600.
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Sep 3, 2007
I know something about this was posted on the forums but I don't find the specific post.I need to have the scroll panel to auto-scroll until you roll over and I need to have this panel to scroll continuously to right or left.[code]
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May 29, 2004
I m trying scroll pannnel to show image and dynamic text both in scroll panne but when i select dymanic text in text option it comes outer from scroll pannel but static text is coming.
show dynamic text also in scroll pannel.
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May 29, 2004
I m trying scroll pannnel to show image and dynamic text both in scroll panne but when i select dymanic text in text option it comes outer from scroll pannel but static text is coming.
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Dec 14, 2009
My code is :
< mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:rest="com.sourcestream.flex.http."
xmlns:custom="Components." initialize="loadProduct()"
[Code]....
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Jan 29, 2011
How do make a movieclip visible false when a scroll bar starts to scroll?
//I tried this and had no luck.
this.onEnterFrame = function(){
obj_mc._visible=false;
}
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Nov 12, 2010
I have a code similar to this:
<s:VGroup>
<s:HGroup verticalAlign="middle">
<s:Label text="label" />
<s:TextInput id="rmName"/>
[Code].....
I want that the s:VGroup container has the height only of its visible children. In this example there is a free space even the visibility mx:HorizontalList is set to false. Every time I change the visibility of the child element I want that the parent (s:VGroup) will change his height. How to do this in flex?
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Oct 12, 2009
I am trying to manipulate (move up and down, enable/disable and launch a form) child controls inside a panel control. However I am unable to get the id of the child control on which the click event occurs. To illustrate, I am trying to create similar functionality as is available. I am trying to create the up-down buttons that you see in the image at http:[url].......
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Mar 6, 2010
I have a map in a panel.When maximizing the panel,the map remain the smaller size.How to make the map growing synchronizely with the Panel? When maximizing the Panel,I added Resize Effects.How to apply Resize effects on the Map when the extent of the map changing? It seems to me that I should dispatch extentChange event when maximizing the panel.
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Mar 24, 2011
I discovered this while doing some programmatic panel resizing:Components in a spark Panel will still be visible when their location is outside the physical Panel boundaries. This does not happen with the mx Panel.unning Flex 4.1 on Windows 7I tried putting mx and spark controls in the spark Panel, and they both appear outside of the boundaries. Note this doesn't happen with the mx Panel. What am I missing to make the spark behave like the mxSample Code:
<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
[code].....
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Nov 14, 2009
I want to create a panel docking to a pop up panel in my flex app, like Winamp's playlist window can dock to main window. but I didn't find any useful on docking in flex
I've traced the PopUpManager, but I didn't find any available interfaces or events about popup window's moving, I think it's design shouldn't be so bad.
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Apr 23, 2010
I have 50 to 70 scenes in my flash files. Becasue of purpose i used these much scenes. my problem is am not able to do scroll in the scene panel. if i click the last scene the slider always goes up... not scrolling exact place where i clicked.
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Jul 1, 2009
I make my first steps as an actionscript programmer (i am designer) and I want your help: i read tutorials to learn actionscript! however, i found one [URL] but i want to change it a little importing a scroll panel: my question is what if our buttons are in a scroll panel (from window>components)? because i don't have 3 buttons but 25 in my swf! what's the change I have to make in actionscript code?
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Oct 7, 2009
I've created a scrolling thumb panel in As3. Everything works fine except that when you Roll out of the get bounds section it removes the enter frame function and stops immediately.
I would like that when you Roll out of the get bounds section it has a deceleration instead of a sudden stop.
ActionScript Code:
var midPoint:Number = 400/2 + 90
var b = panel.getBounds(stage)
[Code]....
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Jan 6, 2010
Ive used the excellent tutorial to create a scrolling thumb panel ([URL]) It works brilliantly and I have movie thumbs linking to a flash player. It all works fine, what change the scrolling. At current it scrolls up and down according to where I have set the 'line', I would like it to scroll up and down near the top and the bottom, rather than all the time (effectively creating a dead zone in the middle). I cant figure out how to change the code to get this to behave as required.
[Code]...
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Dec 10, 2010
Following some tutorials, I coded for a thumbnail scroll panel that works just fine. The thumbnails are scrolling when the mouse if hovering the panel and stops scrolling when the mouse leaves the panel.
However, I'd like to create a slow down effect on the thumbnail scroll panel when the mouse cursor leaves the scroll panel (instead of immediately stop scrolling).
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Jan 29, 2009
I am going to create a scrolling panel with quite large image. The height will be 400px and the width will be different from image to image.
If I do this in only flash the swf will be too large for use on the Internet. So I want to load the images from a xml-document. And this is my problem:
How do I load my images into the panel from an xml-document? And the width of my panel should be as long as the total width of the images are.
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May 2, 2011
Ok, i bought a scroller that works well scrolling content. With elasticity and stuff.
My problem is trying to access buttons inside the scroller.
I have an instance of the scroller component on stage and named it Scroller. I set the content in its component inspector. It loads a movieclip from the Library called Panel. Inside the Panel i have 2 buttons. button1 and button2. If i publish everything works fine.
Now i am not very good at AS3. How do i access the buttons. i've tried this among other bits and pieces i found on the web.
Scroller.Panel.button1.addEventListener(MouseEvent .CLICK, somefunction);
Can't get it to work. I know the Panel movie out of the library that the Scroller component loads needs to be somehow listened for but i don't have a clue.
how to access the buttons without getting an error
1119: Access of possibly undefined property button1 through a reference with static type Class.
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Oct 27, 2003
I have a problem with scroll panel. If the flashmovie is visualize in a browser, there are no problem, but if we viuzalize it in a *.exe format the text is out of borders.
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Mar 19, 2012
I have an event driven flash program. I need to be able to call removeChild() if and only if an object is a child. getChildByName() and most other functions don't seem to allow for this and if you call removeChild() on an object that isn't a child it will throw an error. I suppose an option may be to catch the thrown error and just ignore it, but that seems like a bad solution.
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Jan 15, 2008
How can I determine if a child is present or not in a movieClip?
I'm trying to set up a conditional to determine whether or not a specified child object is present and if so, remove it. I'm having trouble finding relevant documentation on this.
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Dec 30, 2010
I have a long screen shot that I have put in a scroll panel. I want the user to be able to point to a specific field and then have a tool tip fade in, hold for as long as it takes to read, and then fade out onRollout. To implement this I covered all the fields in the scroll panel with a transparent button symbol. Then for each field, I create two moviclips. The first fades in on rollover and stops. The second one starts visible then fades out on rollout.
However it seems that the more of these I do, the more unstable the code gets. In some instances it works just as designed. In other instances somtimes the tool tip doesn't appear, somtimes the fade tween dosn't play. And another issue is that the longer I play the .swf the more unstable it becomes. A snippet of my code for one field/button combination is shown below. I'm very new to AS. How can I Improve the performance?
selectionTxtOut._visible = false;selectionTxtIn.visible = false;
selectionTxtIn.stop();selectionTxtOut.stop();
sp.content.Sel.onRollOver = function() {
selectionTxtIn.play();
selectionTxtIn._visible=true;
[Code] .....
I have the same code for each field in the scroll panel. I put stop(); as the last statement in the Action layer. All the code and the movie clips reside in the first frame.
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Jun 19, 2009
How can I get the X, Y, and rotation values, relative to the stage of a child of unknown number of parents?What I am doing is: I have a 'stick' object, that creates a child 'stick', that creates a child 'stick', etc a random number of times.The end stick then creates a leaf. Each new stick rotates a little bit randomly.As a result when my leaf falls off the final stick it flies off in a strange direction.How can I get the leaf to fall down (eg y++ relative to stage)?Alternatively I thought I could dispatch an event that has a leaf created at the stage level but then I really need to know what the X and Y co-ordinates of my final stick is realtive to the stage.
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Jun 16, 2009
With this code, I need to determine if the xml child is null and form a conditional statement upon that info.I have it very close but something is just "un-tweeked" enough that it wont work correctly.AS3 and XML provided below...
Code:
var url = txtBox_mc.getTix.url;
var request:URLRequest = new URLRequest(url);
txtBox_mc.getTix.addEventListener(MouseEvent.CLICK, GetUrTix);[code].....
The problem now only the " if (url == null) { " is read, thus returning those results. I believe the issue is within the definition of url " var url = txtBox_mc.getTix.url; "...
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Jun 24, 2004
i'm trying to use if statements but can't get this thing to work i want to check if another button is visible on release of a button to determine what action to be taken.the 'gotoAndPlay("firstscene",1)' is just there as an outcome, will be changed later. anyway this is the code i've got on the button i'm pressing. blobyellow2 is an instance of a button blobyellow is it because it's an instance that it's not working?
[Code]...
edit: sorry forgot to put what's wrong with the code. it acts as though the statement is correct no matter if it is or isn't.
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Aug 12, 2009
Trying to recode a scrolling thumbnail panel I found as an example of the web into AS3 mostly for educational purposes but getting stuck in a couple of places. The panel works but my problems are:
1) lower boundary doesn't work, panel continues to scroll into infinity.
2) as it is written, the mouse event that activates the scrolling is MOUSE_MOVE, which is kind of a pain as the scrolling is kind of "jerky", I have tried to make it an MOUSE_OVER event, but I think it may be conflicting with the prior MOUSE_OVER event.[code]
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Nov 27, 2011
I have a child (an external swf) that I'm adding on frame 2 of my main timeline. It will load, but I have another issue. My timeline navigation is designed as such that the viewer can return to frame 1 after viewing frame 2. I don't want the child to be visible on frame 1 ever. Obviously, I can't simply use removeChild, because I haven't yet added it when frame 1 is reached and so I get a null object reference. I've also tried playing around with the visibility property of the child, but with no luck. I feel like I'm missing an obvious solution here. What should I do?
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Sep 10, 2008
I made a flash website with photo galleries using a component that I bought online. The component is loading the image in a thumbnail scroll bar via a XML file and the full size image display in a UILoader. So far nothing special. But when I reach a certain amount of pictures in the gallery, the scroll panel get stuck while loading and doesn't display the full size image. Then the thumbnails don't react at all.
[Code]...
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