MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Manuale Utente Scaricare il pdf (Pagina 49)

TUTORIALS POINT

Simply Easy Learning Page 44

<fx:Script>

<![CDATA[

import mx.binding.utils.BindingUtils;

import mx.events.FlexEvent;

protected function txtInput2_preinitializeHandler(event:FlexEvent):void

{

BindingUtils.bindProperty(txtInput2,"text",txtInput1, "text");

}

]]>

</fx:Script>

<s:TextInput id="txtInput1"/>

<s:TextInput id="txtInput2"

preinitialize="txtInput2_preinitializeHandler(event)"/>

Flex Data Binding Example

Let us follow the following steps to see skinning in action in a Flex application by creating a test application:

Step

Description

Create a project with a name HelloWorld under a package com.tutorialspoint.client as explained in

the Flex - Create Application chapter.

Modify HelloWorld.mxml as explained below. Keep rest of the files unchanged.

Compile and run the application to make sure business logic is working as per the requirements.

Following is the content of the modified HelloWorld.mxml filesrc/com/tutorialspoint/client/HelloWorld.mxml.

<?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"

width="100%" height="100%" minWidth="500" minHeight="500"

<fx:Style source="/com/tutorialspoint/client/Style.css"/>

<fx:Script>

<![CDATA[

import mx.binding.utils.BindingUtils;

import mx.events.FlexEvent;

protected function txtInput6_preinitializeHandler(event:FlexEvent):void

{

BindingUtils.bindProperty(txtInput6,"text",txtInput5, "text");

}

]]>

</fx:Script>

<fx:Binding source="txtInput3.text" destination="txtInput4.text" />

<s:BorderContainer width="500" height="550" id="mainContainer"

styleName="container">

<s:VGroup width="100%" height="100%" gap="50" horizontalAlign="center"

verticalAlign="middle">

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