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CAIRNGORM FRAMEWORK TUTORIAL FLEX PDF

This document is from the authorized Flex curriculum written by learn the basics of building Flex applications using the Cairngorm framework. Flex frameworks are software libraries that assist developers in building rich internet Cairngorm is one of the primary open-source software frameworks for application Hello World Example using Cairngorm · Official Adobe Cairngorm Site. I have just constructed my first Cairngorm application: an Adobe Flex application that uses the Cairngorm application framework, implementing (For example, a user types their username and password into a login box, this.

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In this article I would like to give you a tutorial in order to invoke SAP web tutoriall with Flex using Cairngoorm framework. Cairngorm is one of the primary MVC open source frameworks for application architecture in Adobe Flex.

Flfx in the view are bounded with view locator application objects and throws events such as ClickedDraggedDropped and so on. Manage the business logic of your application.

First of all we need to create a SAP web service for our test. It is out of scope of this weblog to calrngorm you the how to… You can read this web post on this blog Create a web service with ECC 6. This is our Model Locator, this is a singleton class, and so only one instance of this class is active in the same execution. As described above, this class will be used to store all Application Value Objects.

What we need to have a fully customized template for our Flex project is the delegator and the remote repository. In the business folder we create to files: The project, as it is, is a fully customized Cairngorm one; you can use this template as default for all of your projects.

We need to create the value objects that will store values to be displayed on our views. This object is very simple right now and it is not in scope of this tutorial to perform any other development.

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Flex Cairngorm – Interacting with a Command, through an Event | Techode

In real projects is useful to enhance this Value Object in order to be similar to a Java Bean with get and set methods for each attribute e. For this tutorial we need two views: It would be enough only one view, but I prefer to create two views in order to explain how is possible to change view with the Model Locator. Open Welcome view in design mode and create a button and associate function onConnect to the onClick event as show below:.

Save and close Welcome view and now edit CompanyList view.

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In desing mode create a new DataGrid as shown below:. We need to register event in the Front Controller and create the Command object in order to manage the business logic. Open your Front Controller and in the function initializeCommands insert the following instruction:. Now, our event is registered and every time event Connect is thrown framework will invoke fpex ConnectCommand. In the folder commands create a new ActionScript Class named ConnectCommand ; in the interface list add these interfaces: ICommandIResponder mx.

When front controller handles the event, it instantiates a new ConnectionCommand and invokes method execute. The command instance calls the delegate method and waits for the result.

If the remote call is successful the framework invokes result method, in this method we retrieve the event result and store it value in the Model Locator Value Object. The last step is to implement the remote call tutoeial the Delegate class; open this file and add this function:. In order to be sure to call the right method, you can get the remote function name looking into the WSDL definition.

We are ready to execute our application. Before you tutkrial you have to be sure that the crossdomain. More information are available on this blog Add crossdomain.

April 14, 9 minute read. Invoke Fra,ework web services with flex using Cairngorm framework. This framework gives a rational organization to your project and simplifies its maintenance. It follows the Model-View-Controller model and could be schematized with: Dispatch thrown events to the mapped Command element.

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Handle the remote procedure calls. Adobe Flex installed on your system I used Flex Gumbo 4. Now your project tree should appear like the image below: This class now is empty after we will map events to related commands.

ViewModelLocator; [Bindable] private var modelLocator: Create Delegate Object and remote repository What we need to have a fully customized template for our Flex project is the delegator and the remote repository. IResponder; private var service: Object; public function Delegate responder: Create Value Object We need to create the value objects that will store values to be displayed on our views.

Create Views For this tutorial we need two views: Open Welcome view in design mode and create a button and associate function onConnect to the onClick event as show below: Go into source mode and insert the script section as shown below: ConnectEvent; private function onConnect: In desing mode create a new DataGrid as shown below: Now go into the source mode and add the script content as shown below: Register event handler and implement the business logic We need to register event in the Front Controller and create the Command object in order to manage the business logic.

The last step is to implement the remote call in the Delegate class; open this file and add this function: CompanycodeGetlist new ArrayCollection ; call. Happy ending We are ready to execute our application.

Introducing Cairngorm

Now your flex application using Cairngorm framework is ready! You must be Logged on to comment frramework reply to a post. April 17, at 3: Great Job Ivan, I appreciate the use of a framework to develop Flex apps. The street is now opened. Open link in a new tab. No search term specified. Search or use up and down arrow keys to select an item.