RE: [flexcoders] Flex 2 Tree Behaviour override
if you just want to concat the label then replace text=[EMAIL PROTECTED]with the 2 attributes
example in your cellrenderer
?xml
version="1.0" encoding="utf-8"?mx:HBox xmlns:mx="http://www.macromedia.com/2005/mxml"
implements="mx.controls.listclasses.IDropInListItemRenderer"xmlns="*"
mx:Label id="Name" text="[EMAIL PROTECTED] + ' '+
[EMAIL PROTECTED]"//mx:HBox
however that said your tree renderer needs to implement the
IDropInListItemRenderer as above. This is
untested and may not work... in anycase have a look at
the
Interface IDropInListItemRenderer in the
help
Or even better you could do something in an as class like (again not
tested):
packageSampleTreeRenderer {import
mx.controls.treeclasses.TreeCellRenderer;/** *
this class allows us to set specific properties on a tree
node**/public class Tree_Item
extends mx.controls.treeclasses.TreeCellRenderer
{public function
Vision_Tree_Item(){super();}override protected function
updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void
{super.updateDisplayList(unscaledWidth,unscaledHeight);//do
all speacial drawing
here}override
public function set dataObject(value:Object):void
{super.dataObject=value;
//do your concat here or what
everif (value !=null){
[EMAIL PROTECTED] + ' ' + [EMAIL PROTECTED];}
}
}}
then on your tree you do a
listItemRenderer="Tree_Item"
hope this helps..
jason
-Message d'origine-De:
flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]De la part
de yair_inyEnvoyé: lundi 20 mars 2006
12:51À: flexcoders@yahoogroups.comObjet:
[flexcoders] Flex 2 Tree Behaviour
overrideHi,I am evaluating Flex 2 Beta in
comparison with Laszlo, in order to make a choice on an RIA framework for
our company.As part of this evaluation I am trying to modify the Tree
control behaviour, to allow me to display structured text from more than
one XML attribute in my data source. I have tried doing this using
ListItemRenderer but it stops displaying all of the standard tree
behaviour as soon as I override it.Does anyone know how to do
this? Are there any examples of the tree bahaviour being
overriden?Below are the sources for the two MXML
files.Thanks,Yair Iny?xml version="1.0"
encoding="utf-8"?mx:Application xmlns:mx="http://www.macromedia.com/2005/mxml"
xmlns="*" layout="vertical"
mx:XML id="TreeXML"
folder name="Inbox"
num="100"
item name="Item1"
num="50"/
folder name="Junk"
num="20"
item
name="Item2" num="25"/
/folder
/folder
/mx:XML mx:Panel width="638"
height="425" layout="absolute" title="Problem View
Mockup"
mx:Tree dataProvider="{TreeXML}" rootVisible="false" width="598"
height="373"
listItemRenderer="MyTreeRenderer"
/mx:Tree
/mx:Panel/mx:Application?xml version="1.0"
encoding="utf-8"?mx:HBox xmlns:mx="http://www.macromedia.com/2005/mxml"
xmlns="*" mx:Label id="Name"
text="[EMAIL PROTECTED]"/ mx:Label
id="Count"
text="[EMAIL PROTECTED]"//mx:HBox
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RE: [flexcoders] Flex 2 Tree Behaviour override
If you are still using just text for each
node in your tree, then, you dont need to do a custom itemRenderer.
Instead, you can just use a labelFunction. So, on your Tree tag, just add
something like labelFunction=returnLabel. Then, you will have a
returnLabel function that looks something like this:
private function returnLabel(item:Object)
: String
{
var str:String [EMAIL PROTECTED] +
+ [EMAIL PROTECTED];
return str;
}
Joan
From:
flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of yair_iny
Sent: Monday, March 20, 2006 3:51
AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Flex 2 Tree
Behaviour override
Hi,
I am evaluating Flex 2 Beta in comparison with
Laszlo, in order to
make a choice on an RIA framework for our company.
As part of this evaluation I am trying to modify
the Tree control
behaviour, to allow me to display structured text
from more than one
XML attribute in my data source. I have
tried doing this using
ListItemRenderer but it stops displaying all of
the standard tree
behaviour as soon as I override it.
Does anyone know how to do this? Are there
any examples of the tree
bahaviour being overriden?
Below are the sources for the two MXML files.
Thanks,
Yair Iny
?xml version=1.0
encoding=utf-8?
mx:Application xmlns:mx=http://www.macromedia.com/2005/mxml
xmlns=*
layout=vertical
mx:XML
id=TreeXML
folder name=Inbox num=100
item
name=Item1 num=50/
folder
name=Junk num=20
item name=Item2
num=25/
/folder
/folder
/mx:XML
mx:Panel
width=638 height=425 layout=absolute
title=Problem View Mockup
mx:Tree dataProvider={TreeXML}
rootVisible=false
width=598 height=373
listItemRenderer=MyTreeRenderer
/mx:Tree
/mx:Panel
/mx:Application
?xml version=1.0
encoding=utf-8?
mx:HBox xmlns:mx=http://www.macromedia.com/2005/mxml
xmlns=*
mx:Label
id=Name text=[EMAIL PROTECTED]/
mx:Label
id=Count text=[EMAIL PROTECTED]/
/mx:HBox
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RE: [flexcoders] Flex 2 Tree Behaviour override
true,
however i was not assuming each node had the seconde attribute, come to think of
it it would not matter. So; yes this is better then a custome
renderer..
:)
Jason
-Message d'origine-De:
flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]De la part
de Joan TanEnvoy: lundi 20 mars 2006
18:17: flexcoders@yahoogroups.comObjet: RE:
[flexcoders] Flex 2 Tree Behaviour override
If you are still
using just text for each node in your tree, then, you dont need to do a
custom itemRenderer. Instead, you can just use a labelFunction. So, on your
Tree tag, just add something like labelFunction=returnLabel. Then, you will
have a returnLabel function that looks something like
this:
private function
returnLabel(item:Object) : String
{
var str:String [EMAIL PROTECTED] + " " + [EMAIL PROTECTED];
return str;
}
Joan
From:
flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of yair_inySent: Monday, March 20, 2006 3:51
AMTo:
flexcoders@yahoogroups.comSubject: [flexcoders] Flex 2 Tree
Behaviour override
Hi,I am evaluating Flex 2 Beta in comparison with Laszlo, in
order to make a choice on an RIA
framework for our company.As
part of this evaluation I am trying to modify the Tree control
behaviour, to allow me to display
structured text from more than one XML attribute in my data source. I have tried doing
this using ListItemRenderer but
it stops displaying all of the standard tree behaviour as soon as I override
it.Does anyone know how to do
this? Are there any examples of the tree bahaviour being overriden?Below are the sources for the two MXML
files.Thanks,Yair
Iny?xml version="1.0"
encoding="utf-8"?mx:Application xmlns:mx="http://www.macromedia.com/2005/mxml"
xmlns="*"
layout="vertical" mx:XML
id="TreeXML"
folder name="Inbox"
num="100"
item
name="Item1" num="50"/
folder
name="Junk" num="20"
item name="Item2"
num="25"/
/folder
/folder
/mx:XML mx:Panel width="638"
height="425" layout="absolute" title="Problem View Mockup"
mx:Tree dataProvider="{TreeXML}"
rootVisible="false" width="598"
height="373" listItemRenderer="MyTreeRenderer"
/mx:Tree
/mx:Panel/mx:Application?xml version="1.0"
encoding="utf-8"?mx:HBox
xmlns:mx="http://www.macromedia.com/2005/mxml"
xmlns="*" mx:Label id="Name"
text="[EMAIL PROTECTED]"/ mx:Label id="Count"
text="[EMAIL PROTECTED]"//mx:HBox
--
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FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
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