[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-09-02 Thread valdhor 
I had to build a dynamic form from a database not so long ago. There is
a whole lot more to it but I have boiled it down to the basic
functionality. The form component itself (MyForm.as) connects to the
database and grabs all the data to build the form dynamically. I have
not included any of that code.

This is how I did it:

main.mxml:
?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;
layout=absolute
 xmlns:custom=CustomComponents.*
 custom:MyForm/
/mx:Application


CustomComponents.MyForm.as:
package CustomComponents
{
 import mx.containers.Form;
 import mx.containers.FormItem;
 import mx.controls.Alert;
 import flash.events.MouseEvent;
 import mx.controls.Button;
 import mx.controls.TextInput;
 import mx.controls.CheckBox;
 import mx.controls.TextArea;

 public class MyForm extends Form
 {
 public function MyForm()
 {
 super();
 var theFormItem:FormItem = new FormItem();
 var theTextInputItem:TextInput = new TextInput();

 theFormItem.setStyle(fontWeight, bold);
 theTextInputItem.setStyle(fontWeight, normal);
 theTextInputItem.id = tester;
 theTextInputItem.width = 300;
 theFormItem.label = tester;

 theFormItem.addChild(theTextInputItem);
 this.addChild(theFormItem);

 var submitButton:Button = new Button();
 submitButton.label = Submit;
 submitButton.labelPlacement = center;
 submitButton.addEventListener(MouseEvent.CLICK,
submitButtonClicked);
 this.addChild(submitButton);
 }

 private function submitButtonClicked(event:MouseEvent):void
 {
 var theFormFieldsString:String = ;
 var formChildren:Array = this.getChildren();
 for(var i:int = 0 ; i  formChildren.length ; i++)
 {
 if(formChildren[i] is FormItem)
 {
 theFormFieldsString += (formChildren[i] as
FormItem).label +  ;
 var formItemChildren:Array =
formChildren[i].getChildren();
 if(formItemChildren[0] is TextInput)
 {
 theFormFieldsString += (formItemChildren[0] as
TextInput).text + \n\n;
 }
 if(formItemChildren[0] is TextArea)
 {
 theFormFieldsString += (formItemChildren[0] as
TextArea).text + \n\n;
 }
 if(formItemChildren[0] is CheckBox)
 {
 theFormFieldsString += (formItemChildren[0] as
CheckBox).selected ? Yes : No;
 theFormFieldsString += \n\n;
 }
 }
 }
 Alert.show(theFormFieldsString);
 }
 }
}
--- In flexcoders@yahoogroups.com, Jason B [EMAIL PROTECTED] wrote:


 Yes your code works since its not dynamically building the form but
what
 happens if you try this code...it gets an error like i do

 ?xml version=1.0 encoding=utf-8?
 mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;
 layout=vertical horizontalAlign=left creationComplete=loaditem()

 mx:Script
 ![CDATA[
 import mx.controls.Alert;
  import mx.controls.TextInput;
  import mx.managers.PopUpManager;
  import mx.rpc.events.ResultEvent;
  import mx.rpc.events.FaultEvent;
  import mx.controls.Alert;
  import mx.controls.ComboBox;
  import mx.controls.Text;
  import mx.controls.RadioButton;
  import mx.controls.RadioButtonGroup;
  import mx.controls.Label;
  import mx.collections.ArrayCollection;
  import mx.controls.dataGridClasses.DataGridColumn;
  import mx.controls.TextArea;
  import mx.events.*;
  import mx.validators.*;
  import mx.managers.ToolTipManager;
  import mx.managers.IFocusManager;
  import mx.managers.IFocusManagerComponent;
  import mx.core.Container;
  import mx.controls.Alert;
  import mx.core.ComponentDescriptor;
  import flash.utils.*;
  import flash.net.navigateToURL;
  import flash.net.URLRequest;
  import flash.net.URLVariables;

 public function loaditem(){

  create_text = new TextInput();
  create_text.id = tester;
  create_text.text =create_text.id;
  dataBox.addChild(create_text);
 }

 private function showText(evt:MouseEvent):void{



 var test:TextInput = this.getChildByName(tester) as TextInput;
 Alert.show(test.text);
 traceDisplayList(this);
 }

 public function traceDisplayList(container:DisplayObjectContainer,

[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-21 Thread Jason B 
Yes i tried that and while it loops it doesnt give KEY what i need

example

for (var key:String in dynamicallyCreatedComponents){

   var t:TextInput = dynamicallyCreatedComponents[key] as TextInput;
   Alert.show(t.text); //produces error
}



--- In flexcoders@yahoogroups.com, Gordon Smith [EMAIL PROTECTED] wrote:

 If you want to loop over the keys (the names of the components), you
 need a for-in loop:
 
  
 
 for (var key:String in dynamicallyCreatedComponents)
 
  
 
 A for-each-in loop loops over the values (the references to the
 componetns).
 
  
 
 There is no such thing as a for-each-as loop as you've written below.
 
  
 
 Gordon Smith
 
 Adobe Flex SDK Team
 
  
 
 
 
 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
 Behalf Of Jason B
 Sent: Wednesday, August 20, 2008 11:09 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Re: getChildByName using it to get the value of a
 textbox
 
  
 
 Can i loop through the items in that object 
 
 example
 
 for each(var items:String as dynamicallyCreatedComponents){
 var t:TextInput = dynamicallyCreatedComponents[items] as TextInput;
 Alert.show(t.text); //THROWS ERROR
 
 }
 
 I was hoping to set the array key dynamically and loop through it later?
 can this be done Gordan
 
 --- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 , Gordon Smith gosmith@ wrote:
 
  Declare an instance variable of type Object or Dictionary for storing
  named references to dynamically created components:
  
  
  
  public var dynamicallyCreatedComponents:Object = {};
  
  
  
  In a method where you create a component at runtime, do
  
  
  
  var b:Button = new Button();
  
  b.label = OK;
  
  dynamicallyCreatedComponents[okButton] = b;
  
  
  
  Later you can access this button as follows:
  
  
  
  dynamicallyCreatedComponents[okButton]
  
  
  
  Gordon Smith
  
  Adobe Flex SDK Team
  
  
  
  
  
  From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 [mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 ] On
  Behalf Of Jason B
  Sent: Tuesday, August 19, 2008 7:38 AM
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
  Subject: [flexcoders] Re: getChildByName using it to get the value of
 a
  textbox
  
  
  
  thanks Tracy could you provide an example of how this is done,
  examples always help others out, or tell me what i should be searching
  for to find an example
  
  --- In flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  , Tracy Spratt tspratt@ wrote:
  
   A good solution to that issue is to maintian a structure of
 references
   pointing to each dynamically created component.
   
   
   
   I personally like an Associative Array/Object/Hashtable. This is way
   more positive than attempting to loop through the DOM.
   
   
   
   There will be plenty examples available.
   
   
   
   Tracy
   
   
   
   
   
   From: flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  [mailto:flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  ] On
   Behalf Of Jason B
   Sent: Monday, August 18, 2008 5:47 PM
   To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com 
   Subject: [flexcoders] Re: getChildByName using it to get the value
 of
  a
   textbox
   
   
   
   Because the items are not in MXML its in actionscript which
   dynamically creates the items for my form from a database and i want
   to dynamically loop the text box's so i can then save the data back
 to
   the database.
   you cant refer to a ID since the components are created at runtime
   
   --- In flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com 
  mailto:flexcoders%40yahoogroups.com
  mailto:flexcoders%40yahoogroups.com
   , Gordon Smith gosmith@ wrote:
   
Why are you trying to use getChildByName to get a reference to a
component? If you give it an 'id' attribute in MXML, you can then
   refer
to it by that id.



Gordon Smith

Adobe Flex SDK Team





From: flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com 
  mailto:flexcoders%40yahoogroups.com
  mailto:flexcoders%40yahoogroups.com
   [mailto:flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com 
  mailto:flexcoders%40yahoogroups.com
  mailto:flexcoders%40yahoogroups.com
   ] On
Behalf Of Jason B
Sent: Monday, August 18, 2008 8:07 AM
To: flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  mailto:flexcoders%40yahoogroups.com 
Subject: [flexcoders] getChildByName using it to get the value of
 a
textbox



when using getchildbyname

RE: [flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-21 Thread Gordon Smith 
So put in a trace(key) and see what 'key' is. That might make clear what
you're doing wrong.

 

Gordon Smith

Adobe Flex SDK Team

 



From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Jason B
Sent: Thursday, August 21, 2008 5:35 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: getChildByName using it to get the value of a
textbox

 

Yes i tried that and while it loops it doesnt give KEY what i need

example

for (var key:String in dynamicallyCreatedComponents){

var t:TextInput = dynamicallyCreatedComponents[key] as TextInput;
Alert.show(t.text); //produces error
}

--- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
, Gordon Smith [EMAIL PROTECTED] wrote:

 If you want to loop over the keys (the names of the components), you
 need a for-in loop:
 
 
 
 for (var key:String in dynamicallyCreatedComponents)
 
 
 
 A for-each-in loop loops over the values (the references to the
 componetns).
 
 
 
 There is no such thing as a for-each-as loop as you've written below.
 
 
 
 Gordon Smith
 
 Adobe Flex SDK Team
 
 
 
 
 
 From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
] On
 Behalf Of Jason B
 Sent: Wednesday, August 20, 2008 11:09 AM
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
 Subject: [flexcoders] Re: getChildByName using it to get the value of
a
 textbox
 
 
 
 Can i loop through the items in that object 
 
 example
 
 for each(var items:String as dynamicallyCreatedComponents){
 var t:TextInput = dynamicallyCreatedComponents[items] as TextInput;
 Alert.show(t.text); //THROWS ERROR
 
 }
 
 I was hoping to set the array key dynamically and loop through it
later?
 can this be done Gordan
 
 --- In flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 , Gordon Smith gosmith@ wrote:
 
  Declare an instance variable of type Object or Dictionary for
storing
  named references to dynamically created components:
  
  
  
  public var dynamicallyCreatedComponents:Object = {};
  
  
  
  In a method where you create a component at runtime, do
  
  
  
  var b:Button = new Button();
  
  b.label = OK;
  
  dynamicallyCreatedComponents[okButton] = b;
  
  
  
  Later you can access this button as follows:
  
  
  
  dynamicallyCreatedComponents[okButton]
  
  
  
  Gordon Smith
  
  Adobe Flex SDK Team
  
  
  
  
  
  From: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 [mailto:flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 ] On
  Behalf Of Jason B
  Sent: Tuesday, August 19, 2008 7:38 AM
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
  Subject: [flexcoders] Re: getChildByName using it to get the value
of
 a
  textbox
  
  
  
  thanks Tracy could you provide an example of how this is done,
  examples always help others out, or tell me what i should be
searching
  for to find an example
  
  --- In flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  , Tracy Spratt tspratt@ wrote:
  
   A good solution to that issue is to maintian a structure of
 references
   pointing to each dynamically created component.
   
   
   
   I personally like an Associative Array/Object/Hashtable. This is
way
   more positive than attempting to loop through the DOM.
   
   
   
   There will be plenty examples available.
   
   
   
   Tracy
   
   
   
   
   
   From: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  [mailto:flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  ] On
   Behalf Of Jason B
   Sent: Monday, August 18, 2008 5:47 PM
   To: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com 
   Subject: [flexcoders] Re: getChildByName using it to get the value
 of
  a
   textbox
   
   
   
   Because the items are not in MXML its in actionscript which
   dynamically creates the items for my form from a database and i
want
   to dynamically loop the text box's so i can then save the data
back
 to
   the database.
   you cant refer to a ID since the components are created at runtime
   
   --- In flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
 mailto:flexcoders%40yahoogroups.com 
  mailto:flexcoders%40yahoogroups.com
  mailto:flexcoders%40yahoogroups.com
   , Gordon Smith gosmith@ wrote:
   
Why are you trying to use getChildByName to get a reference to a

[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-20 Thread Jason B 
Can i loop through the items in that object 

example

for each(var items:String as dynamicallyCreatedComponents){
 var t:TextInput = dynamicallyCreatedComponents[items] as TextInput;
 Alert.show(t.text); //THROWS ERROR

}

I was hoping to set the array key dynamically and loop through it later?
can this be done Gordan


--- In flexcoders@yahoogroups.com, Gordon Smith [EMAIL PROTECTED] wrote:

 Declare an instance variable of type Object or Dictionary for storing
 named references to dynamically created components:
 
  
 
 public var dynamicallyCreatedComponents:Object = {};
 
  
 
 In a method where you create a component at runtime, do
 
  
 
 var b:Button = new Button();
 
 b.label = OK;
 
 dynamicallyCreatedComponents[okButton] = b;
 
  
 
 Later you can access this button as follows:
 
  
 
 dynamicallyCreatedComponents[okButton]
 
  
 
 Gordon Smith
 
 Adobe Flex SDK Team
 
  
 
 
 
 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
 Behalf Of Jason B
 Sent: Tuesday, August 19, 2008 7:38 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Re: getChildByName using it to get the value of a
 textbox
 
  
 
 thanks Tracy could you provide an example of how this is done,
 examples always help others out, or tell me what i should be searching
 for to find an example
 
 --- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 , Tracy Spratt tspratt@ wrote:
 
  A good solution to that issue is to maintian a structure of references
  pointing to each dynamically created component.
  
  
  
  I personally like an Associative Array/Object/Hashtable. This is way
  more positive than attempting to loop through the DOM.
  
  
  
  There will be plenty examples available.
  
  
  
  Tracy
  
  
  
  
  
  From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 [mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 ] On
  Behalf Of Jason B
  Sent: Monday, August 18, 2008 5:47 PM
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
  Subject: [flexcoders] Re: getChildByName using it to get the value of
 a
  textbox
  
  
  
  Because the items are not in MXML its in actionscript which
  dynamically creates the items for my form from a database and i want
  to dynamically loop the text box's so i can then save the data back to
  the database.
  you cant refer to a ID since the components are created at runtime
  
  --- In flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  , Gordon Smith gosmith@ wrote:
  
   Why are you trying to use getChildByName to get a reference to a
   component? If you give it an 'id' attribute in MXML, you can then
  refer
   to it by that id.
   
   
   
   Gordon Smith
   
   Adobe Flex SDK Team
   
   
   
   
   
   From: flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  [mailto:flexcoders@yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  ] On
   Behalf Of Jason B
   Sent: Monday, August 18, 2008 8:07 AM
   To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com 
   Subject: [flexcoders] getChildByName using it to get the value of a
   textbox
   
   
   
   when using getchildbyname variable i've not been able to get the
 value
   can someone please post an example of how to get a value using
   getChildByName.
   
   var test:DisplayObject = this.getChildByName(inputtext + i);

RE: [flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-20 Thread Gordon Smith 
If you want to loop over the keys (the names of the components), you
need a for-in loop:

 

for (var key:String in dynamicallyCreatedComponents)

 

A for-each-in loop loops over the values (the references to the
componetns).

 

There is no such thing as a for-each-as loop as you've written below.

 

Gordon Smith

Adobe Flex SDK Team

 



From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Jason B
Sent: Wednesday, August 20, 2008 11:09 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: getChildByName using it to get the value of a
textbox

 

Can i loop through the items in that object 

example

for each(var items:String as dynamicallyCreatedComponents){
var t:TextInput = dynamicallyCreatedComponents[items] as TextInput;
Alert.show(t.text); //THROWS ERROR

}

I was hoping to set the array key dynamically and loop through it later?
can this be done Gordan

--- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
, Gordon Smith [EMAIL PROTECTED] wrote:

 Declare an instance variable of type Object or Dictionary for storing
 named references to dynamically created components:
 
 
 
 public var dynamicallyCreatedComponents:Object = {};
 
 
 
 In a method where you create a component at runtime, do
 
 
 
 var b:Button = new Button();
 
 b.label = OK;
 
 dynamicallyCreatedComponents[okButton] = b;
 
 
 
 Later you can access this button as follows:
 
 
 
 dynamicallyCreatedComponents[okButton]
 
 
 
 Gordon Smith
 
 Adobe Flex SDK Team
 
 
 
 
 
 From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
] On
 Behalf Of Jason B
 Sent: Tuesday, August 19, 2008 7:38 AM
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
 Subject: [flexcoders] Re: getChildByName using it to get the value of
a
 textbox
 
 
 
 thanks Tracy could you provide an example of how this is done,
 examples always help others out, or tell me what i should be searching
 for to find an example
 
 --- In flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 , Tracy Spratt tspratt@ wrote:
 
  A good solution to that issue is to maintian a structure of
references
  pointing to each dynamically created component.
  
  
  
  I personally like an Associative Array/Object/Hashtable. This is way
  more positive than attempting to loop through the DOM.
  
  
  
  There will be plenty examples available.
  
  
  
  Tracy
  
  
  
  
  
  From: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 [mailto:flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 ] On
  Behalf Of Jason B
  Sent: Monday, August 18, 2008 5:47 PM
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
  Subject: [flexcoders] Re: getChildByName using it to get the value
of
 a
  textbox
  
  
  
  Because the items are not in MXML its in actionscript which
  dynamically creates the items for my form from a database and i want
  to dynamically loop the text box's so i can then save the data back
to
  the database.
  you cant refer to a ID since the components are created at runtime
  
  --- In flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  , Gordon Smith gosmith@ wrote:
  
   Why are you trying to use getChildByName to get a reference to a
   component? If you give it an 'id' attribute in MXML, you can then
  refer
   to it by that id.
   
   
   
   Gordon Smith
   
   Adobe Flex SDK Team
   
   
   
   
   
   From: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  [mailto:flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
 mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  ] On
   Behalf Of Jason B
   Sent: Monday, August 18, 2008 8:07 AM
   To: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com 
   Subject: [flexcoders] getChildByName using it to get the value of
a
   textbox
   
   
   
   when using getchildbyname variable i've not been able to get the
 value
   can someone please post an example of how to get a value using
   getChildByName.
   
   var test:DisplayObject = this.getChildByName(inputtext + i);

[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-19 Thread Jason B 
thanks Tracy could you provide an example of how this is done,
examples always help others out, or tell me what i should be searching
for to find an example




--- In flexcoders@yahoogroups.com, Tracy Spratt [EMAIL PROTECTED] wrote:

 A good solution to that issue is to maintian a structure of references
 pointing to each dynamically created component.
 
  
 
 I personally like an Associative Array/Object/Hashtable.  This is way
 more positive than attempting to loop through the DOM.
 
  
 
 There will be plenty examples available.
 
  
 
 Tracy
 
  
 
 
 
 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
 Behalf Of Jason B
 Sent: Monday, August 18, 2008 5:47 PM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Re: getChildByName using it to get the value of a
 textbox
 
  
 
 Because the items are not in MXML its in actionscript which
 dynamically creates the items for my form from a database and i want
 to dynamically loop the text box's so i can then save the data back to
 the database.
 you cant refer to a ID since the components are created at runtime
 
 --- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 , Gordon Smith gosmith@ wrote:
 
  Why are you trying to use getChildByName to get a reference to a
  component? If you give it an 'id' attribute in MXML, you can then
 refer
  to it by that id.
  
  
  
  Gordon Smith
  
  Adobe Flex SDK Team
  
  
  
  
  
  From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 [mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 ] On
  Behalf Of Jason B
  Sent: Monday, August 18, 2008 8:07 AM
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
  Subject: [flexcoders] getChildByName using it to get the value of a
  textbox
  
  
  
  when using getchildbyname variable i've not been able to get the value
  can someone please post an example of how to get a value using
  getChildByName.
  
  var test:DisplayObject = this.getChildByName(inputtext + i);

RE: [flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-19 Thread Gordon Smith 
Declare an instance variable of type Object or Dictionary for storing
named references to dynamically created components:

 

public var dynamicallyCreatedComponents:Object = {};

 

In a method where you create a component at runtime, do

 

var b:Button = new Button();

b.label = OK;

dynamicallyCreatedComponents[okButton] = b;

 

Later you can access this button as follows:

 

dynamicallyCreatedComponents[okButton]

 

Gordon Smith

Adobe Flex SDK Team

 



From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Jason B
Sent: Tuesday, August 19, 2008 7:38 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: getChildByName using it to get the value of a
textbox

 

thanks Tracy could you provide an example of how this is done,
examples always help others out, or tell me what i should be searching
for to find an example

--- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
, Tracy Spratt [EMAIL PROTECTED] wrote:

 A good solution to that issue is to maintian a structure of references
 pointing to each dynamically created component.
 
 
 
 I personally like an Associative Array/Object/Hashtable. This is way
 more positive than attempting to loop through the DOM.
 
 
 
 There will be plenty examples available.
 
 
 
 Tracy
 
 
 
 
 
 From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
] On
 Behalf Of Jason B
 Sent: Monday, August 18, 2008 5:47 PM
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
 Subject: [flexcoders] Re: getChildByName using it to get the value of
a
 textbox
 
 
 
 Because the items are not in MXML its in actionscript which
 dynamically creates the items for my form from a database and i want
 to dynamically loop the text box's so i can then save the data back to
 the database.
 you cant refer to a ID since the components are created at runtime
 
 --- In flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 , Gordon Smith gosmith@ wrote:
 
  Why are you trying to use getChildByName to get a reference to a
  component? If you give it an 'id' attribute in MXML, you can then
 refer
  to it by that id.
  
  
  
  Gordon Smith
  
  Adobe Flex SDK Team
  
  
  
  
  
  From: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 [mailto:flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 ] On
  Behalf Of Jason B
  Sent: Monday, August 18, 2008 8:07 AM
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
mailto:flexcoders%40yahoogroups.com 
  Subject: [flexcoders] getChildByName using it to get the value of a
  textbox
  
  
  
  when using getchildbyname variable i've not been able to get the
value
  can someone please post an example of how to get a value using
  getChildByName.
  
  var test:DisplayObject = this.getChildByName(inputtext + i);

[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-19 Thread Jason B 
is this what you mean i've tried to access but i still get a #1009 error


public var dynamicallyCreatedComponents:Object = {};


   public function loaditems(){

create_text = new TextInput();
create_text.percentWidth = 100;
create_text.id = test;
create_text.text =create_text.id;
  dynamicallyCreatedComponents[test] = create_text; 
dataBox.addChild(create_text);  

  }

   public function saveall(){

 var t:TextInput = dynamicallyCreatedComponents[test];
try{
Alert.show( 
dynamicallyCreatedComponents[test].text);
}catch(errObject:Error){
Alert.show(errObject.message);
}   




  }


--- In flexcoders@yahoogroups.com, Gordon Smith [EMAIL PROTECTED] wrote:

 Declare an instance variable of type Object or Dictionary for storing
 named references to dynamically created components:
 
  
 
 public var dynamicallyCreatedComponents:Object = {};
 
  
 
 In a method where you create a component at runtime, do
 
  
 
 var b:Button = new Button();
 
 b.label = OK;
 
 dynamicallyCreatedComponents[okButton] = b;
 
  
 
 Later you can access this button as follows:
 
  
 
 dynamicallyCreatedComponents[okButton]
 
  
 
 Gordon Smith
 
 Adobe Flex SDK Team

[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-18 Thread Jason B 

Thanks a lot for the reply...

turns out i get an error 1009 when i try to something as simple as an
alert

 var test:TextInput = TextInput(this.getChildByName(inputtext + a));
Alert.show(test.text.toString());


--- In flexcoders@yahoogroups.com, Nik Derewianka [EMAIL PROTECTED] wrote:

 
 
 You need to cast it to the type of object you want to operate on:
 
 var test:TextBox = this.getChildByName(inputtext + 1) as TextBox;
 
 or
 
 var test:TextBox = TextBox(this.getChildByName(inputtext + 1));
 
 The first form will return null if it cannot cast the displayObject to  
 that type as opposed to the second which will cause an error.
 
 Of course the Eclipse help system is so utterly useless that searching  
 for 'as' will return nothing and displayObject will not be in the  
 first 3 items you search for.
 
 Regards,
 Nik

Re: [flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-18 Thread Nik Derewianka 
That #1009 error means that it returned a null from the first line  
because it couldn't find the child with that name.   getChildByName is  
not recursive so you need to be mindful of the nesting of your  
requested object.


The following app has the functionality working as you need it, but it  
also has a really handy listing function that displays all of the  
current children recursively (outputs to the console window in Flex,  
if you have the debug player) so that you can see the children that  
are present and how they are nested.


Regards,
Nik

?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;  
layout=vertical horizontalAlign=left

mx:Script
![CDATA[
import mx.controls.Alert;
private function showText(evt:MouseEvent):void{
var test:TextInput = this.getChildByName(test 
+ 1) as TextInput;
Alert.show(test.text);
traceDisplayList(this);
}

			public function traceDisplayList(container:DisplayObjectContainer,  
indentString:String = -):void{

var child:DisplayObject;
for (var i:uint=0; i  container.numChildren; i++)
{
child = container.getChildAt(i);
trace(indentString, child, child.name);
if (container.getChildAt(i) is 
DisplayObjectContainer)
{
			traceDisplayList(DisplayObjectContainer(child),   
+ indentString)

}
}
}
]]
/mx:Script

mx:TextInput id=test1/
mx:Button label=Button click=showText(event)/
/mx:Application

[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-18 Thread Jason B 

Yes your code works since its not dynamically building the form but what
happens if you try this code...it gets an error like i do

?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;
layout=vertical horizontalAlign=left creationComplete=loaditem() 
mx:Script
![CDATA[
import mx.controls.Alert;
 import mx.controls.TextInput;
 import mx.managers.PopUpManager;
 import mx.rpc.events.ResultEvent;
 import mx.rpc.events.FaultEvent;
 import mx.controls.Alert;
 import mx.controls.ComboBox;
 import mx.controls.Text;
 import mx.controls.RadioButton;
 import mx.controls.RadioButtonGroup;
 import mx.controls.Label;
 import mx.collections.ArrayCollection;
 import mx.controls.dataGridClasses.DataGridColumn;
 import mx.controls.TextArea;
 import mx.events.*;
 import mx.validators.*;
 import mx.managers.ToolTipManager;
 import mx.managers.IFocusManager;
 import mx.managers.IFocusManagerComponent;
 import mx.core.Container;
 import mx.controls.Alert;
 import mx.core.ComponentDescriptor;
 import flash.utils.*;
 import flash.net.navigateToURL;
 import flash.net.URLRequest;
 import flash.net.URLVariables;

public function loaditem(){

 create_text = new TextInput();
 create_text.id = tester;
 create_text.text =create_text.id;
 dataBox.addChild(create_text);
}

private function showText(evt:MouseEvent):void{



var test:TextInput = this.getChildByName(tester) as TextInput;
Alert.show(test.text);
traceDisplayList(this);
}

public function traceDisplayList(container:DisplayObjectContainer,
indentString:String = -):void{
 var child:DisplayObject;
 for (var i:uint=0; i  container.numChildren; i++)
 {
 child = container.getChildAt(i);
 trace(indentString, child, child.name);
 if (container.getChildAt(i) is DisplayObjectContainer)
 {
 traceDisplayList(DisplayObjectContainer(child),  +
indentString)
 }
 }
}
]]
/mx:Script
mx:VBox id=dataBox/mx:VBox

mx:TextInput id=test1/
mx:Button label=Button click=showText(event)/
/mx:Application





--- In flexcoders@yahoogroups.com, Nik Derewianka [EMAIL PROTECTED] wrote:

 That #1009 error means that it returned a null from the first line
 because it couldn't find the child with that name.   getChildByName is
 not recursive so you need to be mindful of the nesting of your
 requested object.

 The following app has the functionality working as you need it, but it
 also has a really handy listing function that displays all of the
 current children recursively (outputs to the console window in Flex,
 if you have the debug player) so that you can see the children that
 are present and how they are nested.

 Regards,
 Nik

 ?xml version=1.0 encoding=utf-8?
 mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;
 layout=vertical horizontalAlign=left
  mx:Script
   ![CDATA[
import mx.controls.Alert;
private function showText(evt:MouseEvent):void{
 var test:TextInput = this.getChildByName(test + 1) as TextInput;
 Alert.show(test.text);
 traceDisplayList(this);
}

public function traceDisplayList(container:DisplayObjectContainer,
 indentString:String = -):void{
var child:DisplayObject;
for (var i:uint=0; i  container.numChildren; i++)
{
child = container.getChildAt(i);
trace(indentString, child, child.name);
if (container.getChildAt(i) is DisplayObjectContainer)
{
traceDisplayList(DisplayObjectContainer(child), 
 + indentString)
}
}
}
   ]]
  /mx:Script

  mx:TextInput id=test1/
  mx:Button label=Button click=showText(event)/
 /mx:Application

[flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-18 Thread Jason B 
Because the items are not in MXML its in actionscript which
dynamically creates the items for my form from a database and i want
to dynamically loop the text box's so i can then save the data back to
the database.
you cant refer to a ID since the components are created at runtime



--- In flexcoders@yahoogroups.com, Gordon Smith [EMAIL PROTECTED] wrote:

 Why are you trying to use getChildByName to get a reference to a
 component? If you give it an 'id' attribute in MXML, you can then refer
 to it by that id.
 
  
 
 Gordon Smith
 
 Adobe Flex SDK Team
 
  
 
 
 
 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
 Behalf Of Jason B
 Sent: Monday, August 18, 2008 8:07 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] getChildByName using it to get the value of a
 textbox
 
  
 
 when using getchildbyname variable i've not been able to get the value
 can someone please post an example of how to get a value using
 getChildByName.
 
 var test:DisplayObject = this.getChildByName(inputtext + i);

RE: [flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-18 Thread Tracy Spratt 
A good solution to that issue is to maintian a structure of references
pointing to each dynamically created component.

 

I personally like an Associative Array/Object/Hashtable.  This is way
more positive than attempting to loop through the DOM.

 

There will be plenty examples available.

 

Tracy

 



From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Jason B
Sent: Monday, August 18, 2008 5:47 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: getChildByName using it to get the value of a
textbox

 

Because the items are not in MXML its in actionscript which
dynamically creates the items for my form from a database and i want
to dynamically loop the text box's so i can then save the data back to
the database.
you cant refer to a ID since the components are created at runtime

--- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
, Gordon Smith [EMAIL PROTECTED] wrote:

 Why are you trying to use getChildByName to get a reference to a
 component? If you give it an 'id' attribute in MXML, you can then
refer
 to it by that id.
 
 
 
 Gordon Smith
 
 Adobe Flex SDK Team
 
 
 
 
 
 From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
] On
 Behalf Of Jason B
 Sent: Monday, August 18, 2008 8:07 AM
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
 Subject: [flexcoders] getChildByName using it to get the value of a
 textbox
 
 
 
 when using getchildbyname variable i've not been able to get the value
 can someone please post an example of how to get a value using
 getChildByName.
 
 var test:DisplayObject = this.getChildByName(inputtext + i);

Re: [flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-18 Thread Luke Vanderfluit 
Hi.

I wrote a getChildById function for this purpose/use case...
I create the grid and its children dynamically at runtime and give the 
DisplayObjects 
numerical ids.
Its one thing you miss in flex if you're used to using getElementById in 
javascript.


So... this is container specific... I havent gotten round to generifying it 
yet...

private function getChildById(g:Grid, id:int):DisplayObject {
for each (var gr:GridRow in g.getChildren()) {
for each (var gi:GridItem in gr.getChildren()) {
if (!(gi.getChildAt(0) is HBox)) {
if (gi.getChildAt(0) is Text) {
if (Text(gi.getChildAt(0)).id == 
String(id)) {
return Text(gi.getChildAt(0));
}
}
if (gi.getChildAt(0) is TextInput) {
if (TextInput(gi.getChildAt(0)).id == 
String(id)) {
return 
TextInput(gi.getChildAt(0));
}
}
}
}
}
return null;
}

hth.
Kr.
Luke.

Jason B wrote:
 Because the items are not in MXML its in actionscript which
 dynamically creates the items for my form from a database and i want
 to dynamically loop the text box's so i can then save the data back to
 the database.
 you cant refer to a ID since the components are created at runtime
 
 
 
 --- In flexcoders@yahoogroups.com, Gordon Smith [EMAIL PROTECTED] wrote:
 Why are you trying to use getChildByName to get a reference to a
 component? If you give it an 'id' attribute in MXML, you can then refer
 to it by that id.

  

 Gordon Smith

 Adobe Flex SDK Team

  

 

 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
 Behalf Of Jason B
 Sent: Monday, August 18, 2008 8:07 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] getChildByName using it to get the value of a
 textbox

  

 when using getchildbyname variable i've not been able to get the value
 can someone please post an example of how to get a value using
 getChildByName.

 var test:DisplayObject = this.getChildByName(inputtext + i);

 
 
 
 
 
 --
 Flexcoders Mailing List
 FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
 Search Archives: 
 http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo! Groups Links
 
 
 


-- 
Luke Vanderfluit
Analyst / Web Programmer
e3Learning.com.au
08 8221 6422

RE: [flexcoders] Re: getChildByName using it to get the value of a textbox

2008-08-18 Thread Gordon Smith 
This seems very inefficient. I don't see any reason to loop over
anything to find a component that you dynamically created.

 

If you know you're going to create a single TextInput, declare an
instance var like

 

private var textInput:TextInput;

 

If you know you're going to create a bunch of components that you want
to access by index, declare an Array.

 

If you know you're going to create all kinds of components that you want
to access by some kind of non-index identifier, declare an Object or a
Dictionary that maps the identifier to the reference.

 

Gordon Smith

Adobe Flex SDK Team

 



From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Luke Vanderfluit
Sent: Monday, August 18, 2008 3:25 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: getChildByName using it to get the value
of a textbox

 

Hi.

I wrote a getChildById function for this purpose/use case...
I create the grid and its children dynamically at runtime and give the
DisplayObjects 
numerical ids.
Its one thing you miss in flex if you're used to using getElementById in
javascript.

So... this is container specific... I havent gotten round to generifying
it yet...

private function getChildById(g:Grid, id:int):DisplayObject {
for each (var gr:GridRow in g.getChildren()) {
for each (var gi:GridItem in gr.getChildren()) {
if (!(gi.getChildAt(0) is HBox)) {
if (gi.getChildAt(0) is Text) {
if (Text(gi.getChildAt(0)).id == String(id)) {
return Text(gi.getChildAt(0));
}
}
if (gi.getChildAt(0) is TextInput) {
if (TextInput(gi.getChildAt(0)).id == String(id)) {
return TextInput(gi.getChildAt(0));
}
}
}
}
}
return null;
}

hth.
Kr.
Luke.

Jason B wrote:
 Because the items are not in MXML its in actionscript which
 dynamically creates the items for my form from a database and i want
 to dynamically loop the text box's so i can then save the data back to
 the database.
 you cant refer to a ID since the components are created at runtime
 
 
 
 --- In flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com , Gordon Smith [EMAIL PROTECTED]
wrote:
 Why are you trying to use getChildByName to get a reference to a
 component? If you give it an 'id' attribute in MXML, you can then
refer
 to it by that id.

 

 Gordon Smith

 Adobe Flex SDK Team

 

 

 From: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
] On
 Behalf Of Jason B
 Sent: Monday, August 18, 2008 8:07 AM
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
 Subject: [flexcoders] getChildByName using it to get the value of a
 textbox

 

 when using getchildbyname variable i've not been able to get the
value
 can someone please post an example of how to get a value using
 getChildByName.

 var test:DisplayObject = this.getChildByName(inputtext + i);

 
 
 
 
 
 --
 Flexcoders Mailing List
 FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt 
 Search Archives:
http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo
http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo ! Groups
Links
 
 
 

-- 
Luke Vanderfluit
Analyst / Web Programmer
e3Learning.com.au
08 8221 6422