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2010/02/28

Utilize Flex And Java Servlet To Implement File Upload

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2010/02/19

Apply AutoComplete component in Flex



Go to here to download AutoComplete Component: http://hillelcoren.com/flex-autocomplete/


After you download its zip file, extract it and you can find out AdvancedAutoComplete-1.0.swc in bin directory.

Add SWC file into Flex Build Path


Create a value object, which called "People".
This value object contains three attributes, including name, gender and mail.

package vo
{
public class People
{
public function People(iName:String, iGender:String, iMail:String)
{
name = iName;
gender = iGender;
mail = iMail;
}
public var name:String;
public var gender:String;
public var mail:String;

}
}

Create a new MXML Application file, which called "AutocompleteTest".
Click "Finish"


Add a new namespace for this AutoComplete Component

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:components="com.hillelcoren.components.*"
layout="absolute" >
</mx:Application>


Declare an ArrayCollection variable for AutoComplete component as its data provider.
And add value object, People, into this ArrayCollection as page load.
Use AutoComplete tag to realize auto complete function.


<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:components="com.hillelcoren.components.*"
layout="absolute" initialize="init()">
<mx:Script>
<![CDATA[
import vo.People;
import mx.collections.ArrayCollection;

//declare an ArrayCollection as AutoComplete component's data provider
[Bindable]
private var peopleList:ArrayCollection = new ArrayCollection();

//set data into people list as page load
private function init():void{
peopleList.addItem(new People("Albert", "Male", "albert@gmail.com"));
peopleList.addItem(new People("Mandy", "Female", "mandy@gmail.com"));
peopleList.addItem(new People("Verio", "Male", "verio@gmail.com"));
peopleList.addItem(new People("Richard", "Male", "richard@gmail.com"));
peopleList.addItem(new People("Andrew", "Male", "andrew@gmail.com"));
}
]]>
</mx:Script>
<mx:HBox>
<mx:Label text="Name" />
<components:AutoComplete id="autoComplete" labelField="name" dataProvider="{peopleList}" />
</mx:HBox>
</mx:Application>


Demo

As I type in "A", it will show some options for me to select.

As I select "Albert", then it will show my selection in the text field.





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