MACROMEDIA FIREWORKS 8-EXTENDING FIREWORKS Spezifikationen PDF herunterladen (Seite 28)

216

CHAPTER 11

Notice that we are handling both the initialize event and the creationComplete event. The init()

method specified as the event handler for initialize registers all of the Fireworks event handlers

that were previously handled in the DrawRect constructor of the Flash ActionScript 3 project. We can

still use the include statement to read in JSF code. We’ve done this on the first line in the <mx:Script>

section: include "jsf/jsfCode.as". The jsfCode variable defined in the external file is accessible as

a member of this application, which means we can continue to load the external JSF variable using

MMExecute(jsfCode).

Note also that adobe.utils.* is now imported and flash.external.ExternalInterface is not.

Following is the init method, defined in the CDATA section of <mx:Script />:

private function init():void

{

// Register all Fireworks Event Handlers

ExternalInterface.addCallback("IsFwCallbackInstalled", ➥

IsFwCallbackInstalled);

ExternalInterface.addCallback("onFwDocumentOpen",onFwDocumentOpen);

ExternalInterface.addCallback("onFwDocumentClose", ➥

onFwDocumentClose);

ExternalInterface.addCallback("onFwActiveToolChange", ➥

onFwActiveToolChange);

ExternalInterface.addCallback("setfwActiveToolForSWFs", ➥

setfwActiveToolForSWFs);

ExternalInterface.addCallback("onFwActiveSelectionChange", ➥

onFwActiveSelectionChange);

// Handle Resize Event of Panel

this.parent.addEventListener(Event.RESIZE, UpdateLayout);

}

private function UpdateLayout(e:*=null):void

{

this.width = this.parent.width;

this.height = this.parent.height;

}

As in Flash ActionScript 3 projects, ExternalInterface.addCallback is used in Flex to register event

handlers for Fireworks events, like onFwActiveSelectionChange or onFwDocumentOpen. We have

also added an event handler to the Event.RESIZE event of the movie. When this event is fired, the

UpdateLayout method is called, which updates the size of this application to match the size of the

parent window. Without this event handler in place, the Flex layout will not resize in Fireworks as

expected. Figure 11-14 shows the DrawRect Flex project open in Adobe Flex Builder. We have used

the native Flex components to re- create the original Flash panel in Flex. Instead of using a component

like AlignmentManager to handle layout, we now rely on the Flex panels and their support for dynamic

repositioning and scaling at runtime.

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MACROMEDIA FIREWORKS 8-EXTENDING FIREWORKS Spezifikationen Seite 28