RE: [Junk E-Mail - MED] [flexcoders] Problem with States and switching to a given state.

Shannon Hicks Tue, 18 Jul 2006 22:29:24 -0700

You need to have LoginPanel.mxml fire off an event, then have Main.mxml capture the event, and change the state as the event result.

Add this code to LoginPanel.mxml:

<mx:Metadata>

[Event(name="loggedin",type="flash.events.event")]

</mx:Metadata>

Then change this:

<mx:Button label="Login" click="dispatchEvent(new Event(loggedin))"/>

In Main.mxml, add:

<mx:Script>

<![CDATA[

public function loginComplete():void {

currentState="home";

}

]]>

</mx:Script>

And change this:

<view:LoginPanel id="login" loggedin="loginComplete()" />

Now, this code obviously isn't tested, but it should send you down the right path :)

Shan

From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of malik_robinson
Sent: Tuesday, July 18, 2006 9:58 PM
To: [email protected]
Subject: [Junk E-Mail - MED] [flexcoders] Problem with States and switching to a given state.

Hi,

How do you change the state from within different mxml files. My code is below. As of now I do not have any functions or anything written. I am just trying to work with the states in a simplistic manner. I have 3 files. Main.mxml, LoginPanel.mxml, Home.mxml. I want the base state to be the login page when Main.mxml is run, once the user logs in, then I want to go to Home.mxml. Does anyone see how I can fix this given the code I have put together, any suggestions as well. I am trying to learn Cairngorm, but for now any assistance appreciated.

Main.mxml

<mx:Application  xmlns:mx="http://www.adobe.com/2006/mxml"  layout="absolute"   horizontalScrollPolicy="off"
verticalScrollPolicy="off" xmlns:view="com.myHR.view.*" >

<mx:states>
    <mx:State name="home">
       <mx:AddChild>
             <mx:target>
                 <view:Home id="home" />
             </mx:target>
         </mx:AddChild>
          <mx:RemoveChild target="{login}" />
      </mx:State>
</mx:states>

<view:LoginPanel id="login" />

</mx:Application>

Home.mxml

<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="100%">

<mx:HBox y="50" x="20">

<mx:Panel id="myCompanies" height="325" title="Companies" x="26" y="60">
    <mx:HBox width="100%" height="100%">
   <mx:DataGrid resizableColumns="true" sortableColumns="true" height="100%">
    <mx:columns>
     <mx:DataGridColumn headerText="Name" dataField="col1"/>
     <mx:DataGridColumn headerText="Type" dataField="col2"/>
     <mx:DataGridColumn headerText="Level" dataField="col3"/>
    </mx:columns>
   </mx:DataGrid>
  </mx:HBox>
</mx:Panel>

</mx:HBox>

</mx:Canvas>

LoginPanel.mxml

<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="400" height="300">

<mx:Panel
           xmlns:mx="http://www.adobe.com/2006/mxml"
          xmlns:view="com.myApp.view.*"
          title="Login"
          horizontalAlign="center">

        <mx:Form id="loginForm">

        <mx:FormItem label="Username: ">
            <mx:TextInput id="username"/>
        </mx:FormItem>

<mx:FormItem label="Password: ">
            <mx:TextInput id="password" displayAsPassword="true"/>
        </mx:FormItem>

    </mx:Form>

    <mx:ControlBar horizontalAlign="right">
        <mx:Button label="Login" click="currentState='Main.home'"/>
    </mx:ControlBar>

</mx:Panel>

</mx:Canvas>

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RE: [Junk E-Mail - MED] [flexcoders] Problem with States and switching to a given state.

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