<?xml version="1.0" ?>
<!--

  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

-->
<!-- Simple example to demonstrate the Transition class. -->
<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" currentState="Login">
 
    <!-- Define the view states -->
    <s:states>
        <s:State name="Login" />
        <s:State name="Register" />
    </s:states>

    <s:transitions>
        <!-- Define the transition from the base state to the Register state.-->
        <s:Transition id="toRegister" fromState="*" toState="Register">
            <s:Sequence targets="{[loginPanel, registerLink, confirm, loginLink]}">
                <s:RemoveAction />
                <s:Fade />
                <s:SetAction target="{loginPanel}" property="title" />
                <s:SetAction target="{loginButton}" property="label" />
                <s:SetAction target="{loginButton}" property="color" />
                <s:Resize target="{loginPanel}"/>
                <s:AddAction />
                <s:Fade />
            </s:Sequence>
        </s:Transition>

        <!-- Define the transition from the Register state to the base state.-->
        <s:Transition id="toDefault" fromState="Register" toState="*">
            <s:Sequence targets="{[loginPanel, registerLink, 
                    confirm, loginLink]}">
                <s:RemoveAction/>
                <s:SetAction target="{loginPanel}" property="title"/>
                <s:SetAction  target="{loginButton}" property="label"/>
                <s:SetAction target="{loginButton}" property="color"/>
                <s:Resize target="{loginPanel}"/>
                <s:AddAction/>
            </s:Sequence>
        </s:Transition>
    </s:transitions>

    <!-- Define a Panel container that defines the login form. The title of the Panel
         changes depending on the state. -->
    <s:Panel title="Login" title.Register="Register" id="loginPanel" 
            width="75%" horizontalCenter="0" verticalCenter="0">
    <s:controlBarLayout >
        <s:BasicLayout />
    </s:controlBarLayout>
    <s:layout>
        <s:VerticalLayout paddingTop="10" paddingBottom="10" paddingRight="10" paddingLeft="10" />
    </s:layout>
        <s:Label color="blue" width="100%"
            text="Click the 'Need to Register?' link to change state. Click the 'Return to Login' link to return to the base state."/>

        <!-- The following form has  two TextInputs in the Login state and three TextInputs
             in the Register state. -->
        <s:Form id="loginForm" >
            <s:FormItem label="Username:">
                <s:TextInput/>
            </s:FormItem>
            <s:FormItem label="Password:">
                <s:TextInput/>
            </s:FormItem>
            <s:FormItem id="confirm" label="Confirm:" includeIn="Register" includeInLayout="false" includeInLayout.Register="true">
                <s:TextInput/>
            </s:FormItem>
        </s:Form>
       
        <!-- The controlBar includes two visible items in each state. Which LinkButton is visible is determined
             by the state -->
        <s:controlBarContent>
            <mx:LinkButton id="registerLink"  label="Need to Register?" top="10" bottom="10"
                click="currentState='Register'" left="10" includeIn="Login" />
            <mx:LinkButton id="loginLink" label="Return to Login" click="currentState=''" includeIn="Register" left="10"  top="10" bottom="10"/>
            <s:Button label="Login" label.Register="Register" id="loginButton" right="10" color.Register="0x0000FF"  top="10" bottom="10"/>
        </s:controlBarContent>
    </s:Panel>
</s:Application>