Vertical scroll bar in a tree node

Hi Friends,
I am trying to create a tree in Apex 4.0. I need a vertical scroll bar in my tree nodes if the no: of values is greater than 8. For example i am having a tree with customers and sites. When i press the customers it will list the sites under that customer. I need a vertical scroll bar to be displayed for sites if the no: of sites is greater than 8, so that i can limit the size of the tree. Is there any ways to achieve this in Apex 4.0. Any input for this will be appreciated.
Thanks,
Nav

Hi,
My test page was upgraded to version 4 along with the rest of the OTN workspaces. I still have access to the tree template but can not guarantee how long that will last as I have no idea behind the reasoning for removing access to new tree's templates. You can access existing old trees by changing the app:page in the URL to 4000:28 - but, note, that new Apex 4 trees are not included on this page as they are generated by widgets not by templates.
For my old tree, to add the scrolling around the entire tree, I edited the tree's template - by clicking on the Tree link in the region - and added the following at the top of the "Before Tree" setting:
<div style="height:200px; width:300px; overflow-y:auto;">and add the following to the bottom of the "After Tree" setting:
</div>I have not, as yet, been able to find a way of adding scrollbars within a list when there are more than x number of entries.
Andy

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Problem getting vertical scroll bar in tree

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I am adding nodes to a tree control dynamically. But somehow,
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somehow, the tree is not able to detect the change in the height,
hence, is not giving the vertical scroll bar. However, after a node
has been populated with the sub-nodes, when I close that node and
re-open it, then the scroll bar appears. I really need to fix it as
soon as possible. Plz help!
Thanks in advance,
Cheree

Seems like Flex 4 is working fine:
This is the updated code working on Flex 4.6 using XMLCollection:
<?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"
 xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" applicationComplete="application1_applicationCompleteHandler(event)">
 <fx:Declarations>
 
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 <fx:Script>
 <![CDATA[
 import mx.collections.ArrayCollection;
 import mx.collections.XMLListCollection;
 import mx.controls.Tree;
 import mx.events.FlexEvent;
 import mx.events.TreeEvent;
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 private var hasRun: Boolean = false;
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 if (hasRun == false){
 hasRun = true;
 var parentNode:XML=event.item as XML;
 var temp:XML;
 var i: int;
 var finalSrcList: ArrayCollection = new ArrayCollection();
 // Prepare source list
 for (i=0; i<10; i++){
 var item = new Object();
 item.attribute1 = "attribute " + i.toString();
 item.attribute2 = i.toString();
 finalSrcList.addItem(item);
 for(i=0;i<finalSrcList.length;i++){
 temp= <node label={finalSrcList[i].attribute1} id={finalSrcList[i].attribute2} isBranch="true"/>;
 event.currentTarget.dataDescriptor.addChildAt(parentNode,temp,0);
 protected function application1_applicationCompleteHandler(event:FlexEvent):void
 var rootItem: XML;
 rootItem = <root label="root" id="1000">
 <node label="level1" id="2000" isBranch="true"/>
 </root>;
 treeData.addItem(rootItem);
 ]]>
 </fx:Script>
 <mx:Panel width="600" height="250" paddingBottom="20" paddingLeft="20" paddingRight="20" paddingTop="20"
 verticalAlign="middle" horizontalAlign="center">
 <s:Label>
This is using XMLCollection
 </s:Label>
 <mx:Tree id="funcTree" height="100%" width="100%" dataProvider="{treeData}" labelField="@label" showRoot="false"
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Hi Rob,
I have tried changing styles of those div's in which I have my dropdown's are there but it didnt work.
Below is the code for reference:
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Help with a vertical scroll bar issue with a List component

hi. i have a basic <s:list> that uses an XMLListCollection as it's data provider and a very basic itemrenderer. when a row in the list is clicked a function gets the list.selectedIndex then populates some text fields with more xml data. that all works fine.. the problem i have is that the vertical scroll bar on the list seems to be "clickable" - just like a row in the list. the scroll bar scrolls normally but when it's clicked the selectedIndex becomes -1 which is not helpful b/c the value -1 is passed to the XMLListCollection.
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thanks but still problematic...surely the <s:List> component shouldn't return a value when the scrollbar thumb is clicked? i created a very basic list (see below) and made the list dimensions short enough so that there is a vertical scrollbar and found that when the scrollbar thumb is clicked the trace(event.currentTarget.selectedIndex) returns a number. that's annoying b/c i just want a selectedIndex value for a row that is clicked not the scrollbar.
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<![CDATA[
protected function list1_clickHandler(event:MouseEvent):void
trace(event.currentTarget.selectedIndex);
]]>
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<s:XMLListCollection>
<fx:XMLList xmlns="">
<node label="one"/>
<node label="two"/>
<node label="three"/>
<node label="four"/>
<node label="five"/>
<node label="six"/>
<node label="seven"/>
<node label="eight"/>
<node label="nine"/>
<node label="ten"/>
<node label="eleven"/>
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</s:dataProvider>
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Can anyone tell me from the code below where I am going
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the overflow is at Auto which gives me a horizontal scroll bar but
also 2 vertical scroll bars instead of one in Firefox. What is the
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width="518" height="335" /></div>
<div id="apDiv23">

Hors d'Oeuvres 
Soupe........... Soupe
a l'oignon
gratinée............................................
$6.75 
Onion soup 
Soupe du Jour ..........................
$5.25 
Soup of the day 
Les entrées
froides........... 
Huîtres du
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Oysters (served with Champagne shallot
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Salade et fromage, vinaigrette à la moutarde de
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Salad frisée aux lardons et oeuf poché..........
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Frisée salad with bacon and poached egg, sherry
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Salade de crabes, concombre et betterave, sauce
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Crab salad with golden beet and cumcumber, aioli
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Foie gras cuit au torchon et
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Moules Marinières................$9.00 
Steamed Mussels Marinieres, White Wine and garlic (Side
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jus 
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Chef Vegetarian 
Red beet raviolis wih parmesan cheese and seasonal
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Steamed salmon with mashed potatoes, spinach and mussels,
white wine with lobster sauce 
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Sauteed bass served with caramelized leeks, Grenobloise
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</div>
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Hi,
This is a problem with firefox. It will always show
scrollbars if the div's css property of overflow is set to anything
except none.
Gaurav
www.gauravchandra.com

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Hi Darren,
Thanks for your reply. I've narrowed the problem down to this strange behavior only happening when the viewport component is a tree-table (a JTable with a JTree for a column renderer). The tree-table works okay in JDK 1.3, but not in JDK 1.4. When I remove the JTree column renderer, the table draws correctly, but without the tree. It looks like the viewport position is being set wrong somewhere.
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The complete code that creates the scroll pane with the vertical scroll bar on the left is below. There's too much code to post the JTree column renderer.
Thank you,
Don
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Hi,
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Deepak

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Remove vertical scroll bar from table control

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Vertical scroll bar in a tree node

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