ActionScript 3.0 :: Flex List Scroll Speed
Feb 25, 2011
I have a custom class that extends List which I am using as a container. However, the scroll speed is too fast on the mouse wheel, as in it scrolls loads even if you only move the wheel a tiny bit. I tried adding an event listener to my list for MouseEvent.MOUSE_WHEEL and setting the value of event.delta but this has had no effect. Does anyone know how I can make it slower?My custom class is nothing special, I just created it so I could have a different itemRenders for different item types. It looks like:[code]
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Feb 25, 2011
I have a custom class that extends List which I am using as a container. However, the scroll speed is too fast on the mouse wheel, as in it scrolls loads even if you only move the wheel a tiny bit. I tried adding an event listener to my list for MouseEvent.MOUSE_WHEEL and setting the value of event.delta but this has had no effect. Does anyone know how I can make it slower?
[Code]...
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Mar 7, 2011
I have a component extending a Spark List, and when I scroll using the mouse wheel it scrolls too much in one go. I have tried looking for the handler that deals with mouse wheel scrolling in the List class and VerticalLayout class to override but I cannot find it.
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Dec 31, 2009
Here is a snip from within my code:
[Code]...
The 'recommendations' dataProvider is an ArrayCollection of String, which are generally sentences about as long as this one. By setting the variableRowHeight and wordWrap properties as shown, if a sentence is too long to fit on a single line, everything works fine- the row expands and the messages show on two lines, or occasionally three.
The space allocated for this panel within the entire canvas means if the total text size of 'recommendations' exceeds six lines, I need for the entire list scroll. This is also working just fine. The trouble is when using the mouse wheel to do the scrolling- Flex scrolls both the entire list and the single item where the mouse is hovering. Often this results in only the second half of a sentence being visible. Non-programmer friends I have asked to look at this noticed this, and tell me it as a problem. If a user does not notice the dual scrolling, and sees only a fragment of a sentence, it will be perceived as an error in the application.
[Code]....
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Jul 19, 2011
I'm sure someone must have accomplished this before, but I couldn't find any article on this.
How can we scroll a List control (with uses an itemrenderer) to the next item, when the user tabs from the current item to the next?
I know that we can use scrollToIndex(i), but how do we notify the List that the itemrenderer has moved to the next index? I couldn't find any such event.
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May 12, 2010
I'm using a list element with variableRowHeight and word-wrap set to true like in the example below: [URL]. When I scroll through the list with a mouse scrollwheel the text in the listItems also scroll. I know that this is to do with the height of the textField...
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Aug 9, 2010
How can I set the scroll position for a Spark List control?
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Oct 21, 2009
I'm setting selected element in s:List component with Actionscript, it works, but List doesn't scroll to selected item -- need to scroll with scrollbar or mouse. Is it possible to auto-scroll to selected item
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May 12, 2010
I'm using a list element with variableRowHeight and word-wrap set to true like in the example below:
[URL]
When I scroll through the list with a mouse scrollwheel the text in the listItems also scroll. I know that this is to do with the height of the textField...
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Oct 6, 2010
I have a Spark List (spark.components.List) backed by an ArrayCollection for its dataProvider. The List has a vertical scrollbar when there's too many rows to display. What I want is when a new row is added to the List for it to scroll to the bottom to show that new row.
I've tried calling List's ensureIndexIsVisible from a listener on the ArrayCollection. This doesn't work because the List hasn't yet fully rendered the new row. It will either scroll to the second from the last row, or throw the exception:
[Code]...
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Apr 20, 2009
I wrote a short AS program to create a tileList and it functions fine, but I need to be able to scroll the list of pics according to the position of the mouse with out actually moving the scroll bar.... example of what I mean: the farther to the right mouseX is on stage, the faster my tileList scrolls to the right, if mouseX moves to the left of the stage, so does the scroll bar...Here`s my code so far:
import flash.display.Sprite;import fl.controls.TileList;import fl.controls.ScrollBarDirection;import flash.text.TextFormat;
var tlc:TileList;[code]........
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Sep 28, 2009
I am creating a map of the USA and when a user mouses over a particular state,I want to display a movie clip (which is just a text list of our dealers in that state). When the user mouses out I want the list to disappear.However, I want the user to be able to mouse over the list to scroll the list and whenever I try it, obviously the state loses focus and the MOUSE_OUT Event fires.How to I get around this?Here is the code I have currently:
Code:
PA.addEventListener(MouseEvent.MOUSE_OVER, showDealers);
PA.addEventListener(MouseEvent.MOUSE_OUT, hideDealers);[code]............
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Aug 14, 2009
I have 2 buttons that are currently scrolling a movie clip with this function on(rollover):
function moveMC(end, dir) { mc.onEnterFrame = function() { if (Math.abs(mc._x-end)>1) { mc._x += dir*step; } else { mc._x = end; } };}
How is it possible to get get it to scroll at 2x that speed on(press) ?
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Jun 28, 2007
The dragger in my scroll bar seems to work at a good pace but when I hold down the buttons the text seems to crawl at snails pace up and down. Is there anything I could add to the action script to speed up the rate at which the text scrolls when the buttons are held down? I think I found this script in the kirupa site somewhere. I tried adjusting the "speed" but it didn't seem to change anything. (using Flash MX 2004 with ActionScript 2.0)
fscommand("allowscale", "false");
bar.useHandCursor = dragger.useHandCursor=false;
space = 20;
[code].....
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Mar 26, 2011
I am trying to get a menu that has videos that I will scroll through at a certain speed.Right now I have 30FPS which I have tried to lower which doesn't' control the speed of the auto scroll? Below is the code.
package zoom
{
import flash.display.*;
[code]....
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Jul 31, 2011
Got this problem here with my thumbnail scroller, and I'm sure it's a fairly simple solution. Basically, it scrolls fine, but the scroll speed never decreases, meaning it scrolls really fast the whole time. I'd like it to accelerate/deaccelerate if possible. Here is the code I'm using for the scrolling:
Code:
thumbHolder.addEventListener(MouseEvent.MOUSE_OVER, thumbScroll);
function thumbScroll(evt:MouseEvent) {
[code].....
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Jul 14, 2004
I'm using the following code to continuously scroll an image. I want to keep the mouseover but I need a way to make it scroll at an idle speed when the mouse isn't over the image.
onClipEvent (load) {
mouseOn = false;
xcenter=600;
speed=1/10;
}on(rollOver){
[Code] .....
I also noticed the image jumps to the left when the mouse is over it.
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Mar 19, 2009
if its possible to change the settings of SCROLLPANE particularly the arrow scroll speed. it scrolls a little bit slow especially if it loads a lot of text.
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Jul 1, 2011
I have a renderer that looks like this:
[Code]...
Loading thumbnails using this method works perfectly. The issue happens when you scroll the List.
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Jan 2, 2011
coding some automatic scrolling text? i've had a look around the internet, but all i can find is text that is scrolled using buttons. what i'm after is a way of coding text so it loads up into a text box (which i will call tf) (to start off with i don't mind putting it into the code as static text), scrolls on its own, and when it get to the end, it repeats the scroll, and is neverending. i would like it to go vertical (that ups the page in case i've picked the wrong one!), and be able to pick the scroll speed so i can slow it down or make it go faster. if someone can give me some sample code to get me going that would be great, and i'll try to sort out the rest myself.
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Jan 24, 2012
I need to do an endless horizontal scroll of elements within a parent MovieClip.No matter what ever method I try, an element of 'drift' occurs and eventually the elements start to overlap.I've tried using relative recursive tweening for each element according but this method seems prone to quite a bit of error after repeated starts and stops.
//CODE START
function doScroll():void {
TweenLite.to(this, .25, {x:"20", ease:Linear.easeNone,onUpdate:checkPos,onComplete:doScroll});
}
//CODE END
I've reverted to doing absolute tweens to a predefined position using a contant speed. This seems to be more accurate but still some 'drift' occurs.
//CODE START
//_dest is predefined
var speed:Number = 500;
var dist:Number = this.x - _dest;
[code]....
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Aug 13, 2009
I am using a horizontal thumb scroller which i ahd acuired from the internet. the scroller works fine but the issue is, the scroll speed is directly related to teh thumbnails present.When i am having 10-20 thumbs the auto scroll is smooth. but when the thumbs increase to say 50+ even the slightest mouse movement cause the the thumb to scroll at rapid pace rendering the thumbnail scroller useless. Can anyone help me to modify the script so that i can reduces or control teh scroll speed. Or if tahts not possible how do i add a next prev button so taht i can take away the auto scroll and fwd/rewind the thumbs one by one or a batch at each click. I am attching the fla file for reference
Code:
// Developed by www.flashmo.com
var photo_filename:Array = new Array();
[code].....
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Sep 7, 2006
In a kind of image browser where navigation is done through keyboard's arrow keys, I get the case where the user keeps the finger pressed on the arrow key. There, the list scroll faster and the screenshot doesn't have time to draw that the next item is already called.
I can see that in that case the CPU goes from an usual 1% when browsing "gently"..to about 20% when leaving the arrow key pressed and raging through the list of images.
I was thinking to:
1) Force the scroll rate to max out at 10 items per second
or
2) Only show pictures if key downs are > 10fps
or
3) Find a function that would wait for the last image to be drawn before continuing in the list.
So, to summarize:
- how to skip drawing pictures if the list is browsed to fast...or
- how to force the script to wait for the current image to be drawn before passing to the next item...or
Here is the script part containing the PNG loader, I've the feeling that this is the place where such a "limiter" should take place:
Code:
MC_loader.loadClip(displayArray[masterindex]".png", "screenshot_mc.screenHolder_mc");
//
[Code]....
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Jul 23, 2009
I am using a video list for my videos but when i scroll down, it goes more than I want and when I scroll up, it doesn't scroll all the way up.
[Code].....
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Jul 23, 2011
I'm using the List and UIScrollBar components. I've got a list with a scrollbar placed far from it. I want to disable the built-in scrollbar in the list and scroll it with a different scrollbar. How is this possible?
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Jan 24, 2009
I have a list component and I wanted to make a dynamic scroll for the list. Or change the default scroll that the as2 components have. How can I make a dynamic scroll, the ones that it moves with the mouse position?
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May 7, 2010
I have a client that wants a list a products to scroll across the top of the screen on his website.I am sure there is a way to do that in Flash but the extent of my experience is fade-out slideshows.Can anyone direct me to a great tutorial for scrolling text.
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Feb 27, 2011
I'm using FB4 and apparently I need to use ensureIndexIsVisible() to scroll to specific item in my s:List. Anyway, the code below successfully scrolls to the item but does not scroll it to the top of the list (it's at the bottom, and cut off somewhat).
MXML:
<s:List id="Schedule" dataProvider="{schedule}" creationComplete="creationCompleteHandler(event)"/>
AS3:
protected function creationCompleteHandler(event:Event):void {
var d:Date = new Date();
var today:String = String((d.month + 1) + "/" + d.date + "/" + d.fullYear);
[Code]....
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Jan 29, 2008
Is there an option to turn on the horizontal scroll for the list component? I have some list entries that are longer than the list is wide, so they get cut off at the end...can this be done?
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Sep 25, 2008
I used that MP3 player tutorial, I need to be able to have up to 500 items in the list. Does anyone know where I can find help making the list scroll?? Here is the tutorial I'm talking about [URL]
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