| <?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 Validator class. --> |
| <mx:Module xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:mx="library://ns.adobe.com/flex/mx" |
| paddingBottom="0" paddingTop="0" paddingLeft="0" paddingRight="0" |
| height="100%" width="100%"> |
| |
| <fx:Script> |
| <![CDATA[ |
| |
| // Import necessary classes. |
| import mx.controls.Alert; |
| import mx.events.ValidationResultEvent; |
| |
| // Event listener for the valid and invalid events. |
| private function handleValid(eventObj:ValidationResultEvent):void { |
| if(eventObj.type==ValidationResultEvent.VALID) |
| // Enable Submit button. |
| submitButton.enabled = true; |
| else |
| submitButton.enabled = false; |
| } |
| |
| // Submit form is everything is valid. |
| private function submitForm():void { |
| Alert.show("Form Submitted!"); |
| } |
| |
| ]]> |
| </fx:Script> |
| |
| <!-- The Validator class defines the required property and the validator events |
| used by all validator subclasses. --> |
| <fx:Declarations> |
| <mx:Validator id="reqValid" required="true" |
| source="{fname}" property="text" |
| valid="handleValid(event)" invalid="handleValid(event)"/> |
| </fx:Declarations> |
| |
| <mx:Panel title="Validator Example" |
| paddingBottom="10" paddingTop="10" paddingLeft="10" paddingRight="10" |
| height="100%" width="100%"> |
| |
| <mx:Form> |
| <mx:Text width="100%" |
| text="Enter a value in the Name field before you can submit. The E-mail field is optional."/> |
| |
| <mx:FormItem label="Name: " required="true"> |
| <mx:TextInput id="fname" width="100%"/> |
| </mx:FormItem> |
| |
| <mx:FormItem label="E-mail address: " required="false"> |
| <mx:TextInput id="email" width="100%"/> |
| </mx:FormItem> |
| |
| <mx:FormItem> |
| <mx:Button id="submitButton" enabled="false" |
| label="Submit" click="submitForm()"/> |
| </mx:FormItem> |
| </mx:Form> |
| |
| </mx:Panel> |
| </mx:Module> |