Flex :: Getting SelectedIndex For SkinnableDataContainer / List?
Apr 9, 2010Is there something like selectedIndex for SkinnableDataContainer? It doesn't seem to be one of the available properties.
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Feb 8, 2012I am unable to bind the selectedIndex public property of a spark DropDownList to it's original source in the view's presentation model.
For the purposes of replicating this issue with as few lines as possible I have two views, and one presentation model. The code follows.
Main.mxml
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
[code]...
Debugging the application I find that selectedIndex in the presentation model always remains at the default value assigned regardless of which item I selected from the DropDownList. For the sample code above this is -1.How can I bind the selectedIndex in the presentation model such that it is updated appropriately when the selected item DropDownList changes?
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Sep 8, 2011when i use nextSlide() and prevSlide(), which are executed when i click on two buttons. SelectedIndex works when i click on the elements in the List. What am i doing wrong? do i have to dispatch some events? Are there any tricks to doing it with buttons?This is my playlist class
public class Playlist extends List
{
private var dispatcher:Dispatcher;
[code]......
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extended_SkinnableDataContainer(owner).myProperty
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May 21, 2010I am new to Flex. What I am looking for here is adding a click handler on all the items created by a SkinnableDataContainer. I tried several things that didn't work, and I have no idea what is the right way to do it.
<s:SkinnableDataContainer id="teamList" itemRenderer="TeamSummaryRenderer">
<s:dataProvider><s:ArrayList>
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Flex :: Set SelectedIndex For DownDownList?
Sep 26, 2010I have an Array Collection as follows
var myArr:ArrayCollection = new ArrayCollection([
{label: "label1", data: "data1"},
{label: "label2", data: "data2"}]);
[Code]....
How to set the selected item for myDDL based on an item id(myID)? I tried something like:
selectedIndex = {myArr.getItemIndex(myID)}
Flex :: Why Does TileList SelectedIndex Not Get Updated
Aug 14, 2009In the code below, the presentedAlbumIndex is used to control the selectedIndex of the TileList. Item "five" is initially selected. Whenever the button is pressed the first item in the array is deleted, and the presentedAlbumIndex is decremented.
In theory, the selected index should stay with "five" every time the button is clicked (until "five" is itself deleted). It works this way for the first button press. However, on the 2nd button press the highlighting changes to "six" for some reason. Also, the TileList selectedIndex is always one behind.
I tried looking into ListBase and monitoring selectedIndex. It looks like the selectedIndex is updated initially to the correct index, but then it reverts back at some point to the correct index+1. I do not know why it's setting back.
It seems it's due to the fact that I am doing a data provider delete and index change in the same operation.
Is there some function in TileList I could override to keep selectedIndex up to date?
Steve
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute"
[Code]....
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[code]....
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[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.
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[Code]....
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[Bindable]
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[code].....
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Any idea how I can get the same effect done in Spark Lists?
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Flash :: Changing SelectedIndex From File?
Mar 11, 2011I have a simple button function that changes the selectedIndex on a view stack without using the menu bar component. I call the function from the click property on the button and pass an int as the index I want to jump to. When I had the code on the application MXML file everything worked fine. After moving my actionscript to a separate file, I get access of undefined property errors:
protected function changeView(index:int):void
{
myViewStack.selectedIndex = index;
[code].....
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Nov 26, 2004I have a simple button function that changes the selectedIndex on a view stack without using the menu bar component. I call the function from the click property on the button and pass an int as the index I want to jump to. When I had the code on the application MXML file everything worked fine. After moving my actionscript to a separate file, I get access of undefined property errors:
protected function changeView(index:int):void
{
myViewStack.selectedIndex = index;
}
How do I get the .as file to recognize the myViewStack component? Do I need to reference Main.MXML somewhere in the .as file? Thanks.
Here is the rest of my code:
<?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]....
And finally the .as files with the function in question:
import mx.containers.ViewStack;
protected function changeView(index:int, myViewStack:ViewStack):void
{
myViewStack.selectedIndex = index;
}
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<s:Application xmlns:components="components.*">
<mx:ViewStack id="mainViewStack" x="76" y="90" width="800" height="400">
<components:Login />
[code].....
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Code:
on(change)
{
trace("News feed changed to: " +news_selector.selectedIndex);[code].....
The problem is that the news_selector.selectedIndex bit is showing as undefined in the debug window, and thusly the if/else statements are ignored completely.
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<mx:Array id="arr">
<mx:Object label="Group One" min="0" max="200" currentValue="60" />
<mx:Object label="Group Two" min="0" max="300" currentValue="50" />[code]....
The values in the array object indicate name of group,minimum,maximum and current value for the group (to be used in progressbar).I used the list with "mx.controls.ProgressBar" as itemRenderer as
<mx:List width="100%" dataProvider="{arr}"
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private function getLabel (area:AreasVO):String
{
return "Area Name: " + area.areaName + " " + area.areaWidth + " X " + area.areaLength + " X " + area.areaHeight;[code].........
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